Light Commercial Heat Recovery Ventilators

Transcription

Light Commercial
Heat Recovery Ventilators
Installation, Operation
and Service Instructions
VB0002
VB0003
6LC
7000
VB0001
12LC
207428 rev. 07
Table of Contents
1. Safety Considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
2.1 Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
2.2 Mounting Location Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
2.3 Mounting Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
2.4 Ductwork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
2.5 Internal Grilles and diffusers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
2.6 Exterior Hoods. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2.7 Drains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2.8 Electrical connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
3. Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
3.1 General Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
3.2 Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
3.3 Defrost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
3.4 Remote Wall Control (Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
4. Airflow Measurements and Balancing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
5. Maintenance and Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
5.1 Bi-Monthly Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
5.2 Annual Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
6. Service Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
6.1 6LC-12LC Exhaust Defrost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
6.2 6LC-12LC Recirculation Defrost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
6.3 7000. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Appendix A - Mounting Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Appendix B - Unit Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-15
Appendix C - Balancing Dampers Position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Appendix D - Drain Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Appendix E - Terminal Control Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-19
Appendix F - Control Box Assembly 6LC and 12LC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Appendix G - Make-up Heat Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Appendix H - Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-28
Appendix I - Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
1. Safety Considerations
Hazards may exist within this equipment because it contains electrical and powerful moving components.
Only qualified service personnel should install or service this equipment. Untrained personnel can perform basic maintenance such as
maintaining filters.
Observe precautions marked in literature and on labels attached to unit. Follow all safety codes.
!
WARNING
Disconnect main power switches to unit before performing service or maintenance. Electric shock can cause
personal injury or death.
2
2.4 Ductwork
2. Installation
The supply and exhaust duct connections on the unit are as follows:
2.1 Inspection
UNIT
Inspect the exterior of the unit for shipping damage by ensuring that
there is no damage to the door, door latches, door hinges, damper,
duct collars, cabinet, etc. Inspect the interior of the unit for damage
by ensuring that the fan motors and housings, heat exchange core,
insulation, dampers, actuators and drain pans are all intact.
14” x 8” (356 mm x 203 mm)
7000
20” x 8” (508 mm x 203 mm)
NOTE:
Duct sizes are for connection purposes only. Ducts should be sized
to keep noise and pressure drop to a minimum.
If transportation damage is found, file a claim immediately with the
transportation agency. Remove all packaging, tape, etc. from the
cabinet.
The supply and exhaust ducts connected to outdoors, as well as
any ducts passing through an unconditioned space, must have a
minimum insulation value of R5. In addition, a continuous integral
vapor barrier over the duct insulation must be used.
2.2 Mounting Location Requirements
When determining an installation location, the unit must be mounted
in a heated area to prevent condensate drain lines from freezing.
The mounting location should be away from occupied areas to
provide quiet operation. The area should also be easily accessible
for maintenance.
Air balancing dampers are recommended for both supply and
exhaust ducts to allow for adjustment of airflow. Also, flexible canvas
connectors should be installed close to the unit in the supply duct to
the building and the exhaust duct from the building to reduce noise
transmission from the unit to the building, see Appendix C.
NOTE:
All ports on the 6LC and 12LC units have 1” (25 mm) flanges to
facilitate the installation of the ductwork. Please note that the “Fresh
Air from Outdoors” port has a defrost damper incorporated with it.
These Heat Recovery Ventilators have minimum clearance
requirements when mounting. See Appendix B for specific
clearance requirements. Mounting options must allow 12” (305 mm)
clearance in front of control cover for access.
Ensure that any mechanical fasteners used to connect the duct
do not interfere with the operation of the damper. Screws can be
installed on the side of the cabinet rather than the flange for
this port only. For port locations see Appendix B.
A mounting location close to an exterior partition will minimize the
length of insulated duct. The unit should be close to a drain and
120 volt, 60 Hz power supply. The unit should be mounted away
from hot chimneys, electrical panels and other hazards.
All ports on the 7000 unit have 2” (51 mm) flanges to facilitate
the installation of the ductwork. Please note the “Fresh Air From
Outdoors” connection is factory set to be the left side upper port. It
is possible to reverse the operation of the defrost damper in order
to use the port on top of the cabinet for “Fresh Air From Outdoors”
connection.
2.3 Mounting Options
!
DUCT SIZE
6LC, 12LC
WARNING
It is recommended to wear safety glasses and gloves
while performing these instructions.
To change the «Fresh Air From Outdoors» from the side to the top
use the following directions. For port locations see Appendix B.
There are several options for hanging or floor mounting the unit.
Remove the cover of the damper motor with a flat screwdriver.
Reverse the ORANGE and RED wires by moving the ORANGE
from terminal no. 2 to terminal no. 3 and moving the RED wire from
terminal no. 3 to terminal no. 2. The end result in order to have the
“Fresh Air From Outdoors” connection to the top port will be: no. 1 WHITE, no. 2 - RED, no. 3 - ORANGE.
NOTE:
In all cases, the unit must be level. Consult local building code for
restrictions in your area regarding installation.
Hang the unit with the reinforced rubber straps provided as shown
in Appendix A. Check with local building codes regarding the use of
rubber straps in commercial buildings. Attach the straps to the unit
with two no. 8 screws provided. Then attach the other end of the
strap to the ceiling joists, trusses, custom frame, etc.
2.5 Internal Grilles and Diffusers
Locate exhaust grilles and supply diffusers to provide effective
ventilation and avoid short circuiting of airflows. Adjustable dampers
should be provided at every grille and diffuser location to make
balancing of the system possible.
The unit can also be hung with 3/8” (10 mm) threaded rod and
U channels or angles (not supplied) as shown in Appendix A.
When installing the unit, keep in mind that access to the control
panel may be required. Supply and exhaust ducts to outdoors may
have 1” to 2” (25 mm to 51 mm) of insulation on them. Rubber
vibration isolation may be required and is recommended for quiet
operation.
A proper selection of style and size of grilles and diffusers is
required to minimize pressure drop. The velocity of the airflow
should not exceed 400 ft/min (2 m/sec) for normal applications.
The duct system should be designed according to the high speed
flow rate of the unit. In order to keep the noise and pressure drop
to a minimum, a maximum air velocity of 1100 ft/min (5.6 m/sec)
should be used in calculations in duct design. The duct runs should
be kept as short as possible with the minimum amount of elbows
and transitions.
The unit can also be mounted on a metal or wooden curb (not
supplied) bolted to the floor as shown in Appendix A. Space must be
left under the unit to allow connection of drain lines. A gradual slope
is required for the condensate water to drain by gravity (minimum
1/4”/foot) (6 mm/305 mm). If this is not possible, a pump should be
used. If attachment of the unit to the curb is required, ensure that
screws, bolts and mounting hardware do not interfere with moving
parts or that the integrity of the cabinet insulation is not affected.
The manufacturer recommends the use of smooth radius
elbows or square elbows with turning vanes to achieve maximum
performance.
3
2. Installation (cont’d)
3. Controls
2.6 Exterior Hoods
3.1 General Information
It is important that the fresh air intake hood be positioned well away
from any source of contamination. The exterior supply and exhaust
hoods must be separated enough to prevent cross-contamination
and at an elevation that will prevent blockage by snow, dirt and
leaves.
FAN INTERLOCK RELAY OUTPUT (FF)
NOTE:
SPEED SELECTION (6LC /12LC UNITS ONLY)
Consult local building code for restrictions in your area.
To maintain optimum airflow performance, exterior hood selection
must be such that the minimum free area of opening is as follows:
140 inches2 (0.09 m2).
There are three speed settings available with the controls, only two
of which can be functional at any one time. The units are factory
set to use the low and high speed taps on the blower motors. If
necessary, the medium speed tap can be used instead of the low
speed tap. See wiring diagrams for instructions on how to make this
change. Units without the remote wall control option can be shut off
by opening the contact between LOW - COM or HIGH - COM as
shown in Appendix E-2.
2.7 Drains
3.2 Sequence of Operation
The drain fittings provided with the unit will accept a 3/4” (19 mm) NPT
coupler (supplied by others). The drain line for the unit must be
fabricated on-site and connected to the building main. A loop in
the hose or trap in the copper or plastic pipe must be provided to
prevent sewer gases from entering the unit when connecting to a
drain as illustrated in Appendix D.
Before start-up, check the unit for obstructive packaging, objects
near or in blowers, dampers, heat exchangers, etc. Once installation
is complete, check all modes of operation to ensure that the unit is
working properly. Close the doors and check for operation on LOW,
COM and HIGH. Use a wall control or the dry contact switching to
run fan speeds as shown in Appendix E-2.
NOTE:
The 7000 unit is two speed. Low speed can be initiated by creating
a closure across LOW - COM or high speed can be initiated by
creating a closure across HIGH - COM.
External fan control can be achieved by connecting an external
24 volts fan control through dry contacts (FF). These contacts are
closed on a call for ventilation or defrost. See wiring diagram shown
in Appendix E-5.
A rodent screen with 1/4” (6 mm) mesh must be installed to prevent
the intake of large debris and animals. A backdraft damper may
need to be installed in the exhaust duct to prevent cold air entering
the building if the unit is to be shut off for a long period of time.
Consult local building code for plumbing requirements in your area.
If copper pipe is to be used, ensure not to solder to the 3/4” (19 mm)
coupler while it is attached to the plastic drain fitting as deformation
may occur. Ensure adequate slope is present to allow good drainage
(minimum 1/4” per foot or 6 mm per 305 mm).
UNIT CHECK POINTS (ALL UNITS):
• Power connected, no ventilation call - Both fans are off, defrost
damper (if equipped) closes off fresh air from outdoors.
• Power connected, low speed call - Both fans on low speed
internal defrost damper (if equipped) opens fresh air from
outdoors. For 6LC and 12LC units only, if equipped with
recirculation module, the internal defrost damper closes
recirculation opening.
2.8 Electrical Connections
POWER
A terminal block and strain relief bushing or a junction box is
provided for line voltage to make the necessary power connections.
• Power connected, high speed call - Both fans on high speed,
defrost damper opens fresh air from outside. For 6LC and 12LC
units only, if equipped with recirculation module, the internal
defrost damper closes recirculation opening.
The electrical requirements are as follows:
6LC
7000
12LC
VOLTAGE
115 V
115 V
115 V
MCA
8.65
6.63
13.4
MOP
12.5
9.13
20
• Power connected, occupied timer/sensor connection open
(unoccupied mode) - Both fans are off, defrost damper closes
fresh air from outdoors. For 6LC and 12LC units only, if equipped
with recirculation module, the internal defrost damper opens
recirculation opening.
• Power connected, FF control contacts close during unit ventilation
or defrost cycle.
4
3. Controls (cont’d)
5. Maintenance and Service
3.3 Defrost
5.1 Bi-Monthly Maintenance
The unit functions are controlled by integrated controls in the unit
which may include Exhaust Only Defrost or Recirculation Defrost
(via the recirculation module - 6LC and 12LC units only). In cold
temperatures, defrost cycles will remove frost from the heat
exchanger to maintain good operation.
Bi-monthly maintenance should include:
EXHAUST ONLY DEFROST (OPTIONAL)
AIR FILTERS
Frost removal occurs when the supply blower de-energizes, the
supply air damper and the core damper close and the exhaust
fan continues to circulate only warm inside air through the heat
recovery core to maintain ventilation. This process prevents the
build up of ice in the core. Defrost is temperature initiated at 23°F to
-22°F (-5°C to -30°C) and time based.
The standard foam filters are washable. Under normal conditions
it is recommended that they be cleaned every two months. More
frequent cleaning may be required under extremely dirty operating
conditions. Use a vacuum cleaner to remove the heaviest portion
of accumulated dirt, then wash with warm water.
!
!
WARNING
Disconnect power before maintaining unit.
A medium efficiency filter for the supply air stream is available from
your supplier. This filter is disposable and should be replaced when
it becomes dirty.
WARNING
A negative building pressure may develop during the
defrost cycle with possible backdrafting fumes from
combustion equipment.
1
RECIRCULATION DEFROST MODULE
(OPTIONAL - FACTORY INSTALLED)
The Recirculation Defrost Module is only available with the 6LC
and 12LC units. The defrost cycle is electronically controlled in
response to the outdoors temperature 23°F to -22°F (-5°C to -30°C).
On a call for defrost, the supply air damper in the recirculation
module closes, exhaust fan is de-energized and the supply fan
continues to recirculate warm air through the heat recovery core.
It is possible to extend the defrost times during very cold weather
by removing the jumper JU1-F on the circuit board as shown in
Appendix F. For dimension and weight changes to the 6LC and
12LC models with recirculation defrost, see Appendix B-2 and B-4.
1
VL0001
2
6LC and 12LC units
3.4 Remote Wall Control (Optional)
 Washable foam filter
 MEF filter - optional

Remote mounted wall control options can be used to control the
ventilators from a location remote to the installed unit location. The
connection from the ventilator to the control is low voltage and
requires a 4 conductor (24 ga. minimum) LVT cable. Models are
available with a dehumidistat control. The following two options are
available.
1 or 2
SLIDE SWITCH TYPE
Dehumidistat to engage high speed exchange. Slide switch operation
supporting continuous low exchange and continuous high exchange.
1
POOL ELECTRONIC TYPE (FOR 7000 UNIT ONLY)
Ideal for pool dehumidification. Dehumidistat to engage high speed
exchange. Push-button operation supporting: intermittent (stand-by)
ventilation, continuous low exchange, continuous high exchange,
maintenance indicator light and exchange indicator light.
VL0002A
7000 unit
4. Airflow Measurement and Balancing
DRAIN PANS AND INTERIOR OF UNIT
With the filters removed from the unit, the foil faced insulation
surfaces and the drain pans should be wiped clean with a soft cloth
and mild cleaning solution. Also ensure that the drain fittings are
free from dirt and are draining freely.
Once installation is complete, the supply and exhaust airflows
should be balanced. This will ensure proper operation and a good
quality installation.
A well designed duct system with properly sized duct runs and equal
static pressure losses of both the supply and exhaust will aid in balancing
the unit. However, it will be necessary to take flow measurements
with the proper equipment to ensure a balanced system.
Before proceeding with balancing, all windows, overhead doors and
walk-in doors should be closed and exhaust systems should be turned off.
5
MOTOR AND BLOWER REMOVAL AND INSTALLATION
5. Maintenance and Service (cont’d)
Disconnect power from the unit. To determine if the fan motor is
burned out, disconnect the four-wire service connector between
the motor and cabinet. Connect the motor directly to a 115 volts
power source with an electrical cable, as follows:
5.2 Annual Maintenance
!
WARNING
Disconnect power before maintaining unit.
Annual maintenance should include:
AIR FILTERS
RED + WHITE
Low speed
BLUE + WHITE
Medium speed
BLACK + WHITE
High speed
If the motor functions normally, there is a problem with the wiring
connections or the main circuit board. Check all wiring and replace
main circuit board if necessary.
Vacuum and wash standard foam filters. Replace medium efficiency
filter if present.
DRAIN PANS AND INTERIOR OF UNIT
If the blower does not run, it must be replaced. To replace the motor,
remove the heat recovery core from the unit. Disconnect the
four-wire service connector from the unit. Remove the fasteners
holding the motor assembly in place. Lift the assembly up and
out, using one hand under the motor and one hand to steady it.
Remove the assembly carefully from the unit to avoid damage to the
insulation, shelf, etc. Install the repaired motor assembly by
following these instructions in reverse.
Wash the foil faced insulation surfaces and wipe the drain pans
with a soft cloth and mild cleaning solution. Check the drain fittings
to ensure they are draining freely.
HEAT RECOVERY CORE
The heat recovery core must be handled with care. It is
recommended that it be washed once a year following the season
of most intense use, in order to ensure maximum efficiency of the
partitions.
REMOVE THESE
TWO SCREWS
Allow the heat recovery core to soak for three hours in warm water
and mild soap. Rinse under a heavy stream of water.
LOCKING PLATE
CAPACITOR
CAUTION
Hot water and a strong cleaning agent could damage
the polypropylene core. Ensure the core is returned to
the unit in the correct orientation. Use the sticker as a
guide.
FANS
Blower wheels and fan housing should be checked for dirt build-up.
If they appear dirty, it may be necessary to remove the blower
assembly and then vacuum the dust out through the fan mouth.
See next column for instructions on removing the blower assembly.
SYSTEM OPERATION CHECK
VD0004A
Verification of all control modes should be checked to ensure proper
operation. Refer to 3.2 Sequence of Operation section.
6LC and 12LC units
TESTING AND REPLACEMENT OF THE DAMPER ACTUATOR
Check damper operation by switching between LOW - COM or
HIGH - COM on the dry contact terminal or by switching through
the modes on the optional remote wall control. If the damper does
not respond in one or both directions, check all connections.
7000 unit ONLY: Check for 24 volt output between the WHITE/RED
and the WHITE/ORANGE wires at the damper motor. If 24 volts
can be measured at the damper motor, the problem is either in the
connections, the defrost relay or the main circuit board.
THUMBSCREW
6LC/12LC units ONLY: (CAUTION: 120 VAC) Check for 120 volt
output across the WHITE/BLACK wires. If 120 volts can be measured
at the motor, replace the motor. If 120 volts cannot be measured at
the motor, check pins J1-9 at the printed circuit board.
SERVICE CONNECTOR
MAIN CIRCUIT BOARD REPLACEMENT
The main circuit board must be replaced if an electronic problem
arises. For example, the unit suddenly stops, the unit stays in defrost all of the time or if control functions are not working properly.
VD0001A
7000 unit
Ensure that power is reaching the board. Test the blower motors
and damper actuators for operation when directly connected to the
appropriate power voltage. If the motor and damper actuators function
normally, replace the main circuit board.
6
6. Service parts
6.1 6LC-12LC Exhaust Defrost
B
C
E
D
F
N
M
G
L
K
I
VL0068
Ref.
Part No.
B
13036
C
D
E
1808139
G
H
Description
Part No.
Description
Hinge kit (male-female)
63336
Autotransformer 6LC - Low Speed Option
Core Defrost Actuator 6LC-12LC
63340
63345
Relay DPDT 120VAC, 1/2 HP, 15A @ 120VAC,
7000, 6LC, 12LC (Low Speed Option)
066161
Fuse Holder 6LC, 12LC, 7000
066193
Fuse 5 A, 250 V Time Delay 1.25" MDL 6LC
(Low Speed option)
Core Defrost Actuator 12LC, Powder Coated
63327
Core Damper 6LC
63328
Core Damper 12LC
63329
Core Damper 12LC, Powder Coated
201982
Fresh Air Damper 6LC
63330
Fresh Air Damper 12LC
066165
Fuse 8 A, 250 V Time Delay 1.25" MDL
12LC (Low Speed option)
Fresh Air Damper 12LC, Powder Coated
1808144
Blower Ass’y 6LC
Fresh Air Damper Actuator 6LC-12LC
1808148
Blower Ass’y 12LC
1808138
63332
Fresh Air Damper Act. 12LC Powder Coated
201805
Filter SWF 13.125" x 11.25" x 1" (unitary)
1808147
1804146
1604191
Core Aluminum 6LC-12LC (unitary)
L*
1808148P
M
Blower Ass’y 12LC Powder Coated Option
1808142
Blower Wheel 6LC, 12LC (not shown)
Core Poly CSA 6LC-12LC (unitary)
1808149
Fan Motor 6LC (not shown)
Core Poly UL 6LC-12LC U.S. only (unitary)
1808150
I
16035
J
1607456
Drain Fitting 6LC, 12LC, 7000 (unitary)
K
63342
L*
Ref.
63341
63331
F
H
J
63110
Door Latch-Keeper Kit
Capacitor 5 μF LC, 7000 (not shown)
N
208507
Terminal Strip 10-Pin Molex 38721-6710,
6LC, 12LC
Filter Optional MEF 6LC, 12LC (unitary)
*
202798
Door Assembly 6LC, 12LC
1808130
PCB Electronic 6LC, 12LC, 7000
*
63343
Door Assembly 12LC
(Powder Coated Option)
202382
Thermistor 6LC, 12LC, 7000
*
1808145
*
63344
Relay SPDT 120 VAC, 1 HP,
500025914
30 A @ 120 VAC, 6LC, 12LC
500025915
* Not Shown.
Relay DPST 120 VAC, 1 HP,
30 A @ 120 VAC, 6LC, 12LC
7
Accessories kit 6LC, 12LC
Hanger Strap 18" Kit 6LC, 12LC, 7000
6. Service parts (cont’d)
6.2 6LC-12LC Recirculation Defrost
B
C
D
E
F
M
L
K
I
J
Part No.
B
13036
C
D
E
F
G*
H
I
J
K*
Description
Core Poly CSA 6LC-12LC (unitary)
1804146
Core Poly UL 6LC-12LC U.S. only (unitary)
1604191
Core Aluminum 6LC-12LC (unitary)
201805
Filter SWF 13.125" x 11.25" x 1" (unitary)
63333
Recirculation Damper 6LC
63334
Recirculation Damper 12LC
63335
Recirculation Damper 12LC, Powder Coated
225855
Damper Motor Belimo LMB24-3-T, 7000,
6LC-12LC (Recirculation Defrost Option)
066161
201603
Terminal Strip 3-Pin Molex 38721-6703
6LC, 12LC (Recirculation Defrost)
63352
Relay DPDT 24 VAC, 1/2 HP, 15 A @
120 VAC, 6LC, 12LC (Recir. Defrost Option)
066176
Fuse 0.25 A, 250 V Time Delay 1.25" MDL
16035
Door Latch-Keeper Kit
63342
Ref.
Hinge kit (male-female)
1808147
1607456
G
H
VL0069
Ref.
D
K*
L
202382
Relay SPDT 120 VAC, 1 HP,
30 A @ 120 VAC, 6LC, 12LC
500025915
Relay DPST 120 VAC, 1 HP,
30 A @ 120 VAC, 6LC, 12LC
63336
63340
63345
1808144
Blower Ass’y 6LC
1808148
Blower Ass’y 12LC
Blower Wheel 6LC, 12LC (not shown)
1808149
1808150
6LC, 12LC
M
208507
*
202798
Door Assembly 6LC, 12LC
*
63343
Door Assembly 12LC
(Powder Coated Option)
*
1808145
*
63344
* Not Shown.
8
Blower Ass’y 12LC Powder Coated Option
1808142
63110
Filter Optional MEF 6LC, 12LC (unitary)
Description
500025914
1808148P
1808130
Part No.
Accessories kit 6LC, 12LC
6. Service parts (cont’d)
6.3 7000
B
C D
L
E
K
F
G
I
J
H
VL0070
Ref.
Part No.
Ref.
Part No.
B
16035
Door Latch-Keeper kit
H
13036
C
225855
Damper Motor Belimo LMB24-3-T, 7000,
I
D
1604178
Fresh Air Damper
J
1604168
Blower Ass’y 7000
1604177
Blower Wheel (not shown)
1604169
Fan Motor 7000 (not shown)
E
63110
F
Description
Hinge Kit (male-female)
1604156
Core Poly CSA 7000
1604190
Core Poly UL 7000 U.S. only
1607456
K
134147
Filter SWF 18.6" x 15.6" x 1" 7000 Exhaust
(unitary)
L
134145
Filter SWF 19" x 22.75" x 1" 7000 Supply
(unitary)
7000
*
1608701
Optional MEF Filter 7000 Supply (unitary)
202790
*
1804103P
Door Ass’y 7000 (Powder Coated option)
1808130
*
027123
Anti-vibration Bushing 7000 (unitary)
*
63344
202382
G*
Description
63117
Transformer 7000
63345
066161
066169
Fuse 0.5 A, 250 V Time Delay 1.25" MDL
7000
* Not Shown.
9
Appendix A
MOUNTING DIAGRAMS
6LC AND 12LC UNITS
NOTE: Diagrams show standard unit configuration.
For units with the reversed door option, the
door will be located here.
Reinforced
Rubber Strap
Recirculation Module
(Factory Installed)
3/8" (10mm)
Threaded Rod
(Supplied by others)
(Factory Installed)
U Channel
(Factory Installed)
Rubber Vibration Isolator
Wooden Curb (Supplied by others)
Bolt to Floor
Space must be left to allow connection
of drain lines with adequate slope for drainage
VD0002A
7000 UNIT
3/8" (10mm)
Threaded Rod
Bolt to Floor
Wooden Curb
Cabinet Mounted
U Channel
VD0003A
Dry
Contacts
Dry
Contacts
Rubber Vibration
Isolater
10
Space must be left to allow
connection of drain lines with
adequate slope for drainage
11
4.000"
[102]
LEFT SIDE
B
SUPPLY AIR
OPENING
EXHAUST AIR
OPENING
14.000"
[356]
28.005"
[711]
10.005"
[254]
A
CONTROL BOX
ACCESS
LOW VOLTAGE
TERMINAL STRIPS
LINE POWER
4.028"
[102]
5.859"
[149]
SUPPLY AIR
EXHAUST AIR
C
5.125"
[130]
D
RETURN AIR
OUTDOOR AIR
FRONT
NOTE: FOR UNITS WITH THE REVERSED DOOR OPTION,
INTERIOR COMPONENTS WILL APPEAR AS A MIRROR
IMAGE OF THE ABOVE DIAGRAM.
34.000"
[864]
TOP
19.207"
[488]
13.375"
[340]
B
A
B
6 LC ALUMINUM CORE
Kg
PTS
LB.
44.21
20.00
A
13.00
B
28.67
58.92
26.72
C
D
17.30
38.21
77.11
TOTAL 170.00
7.705"
[196]
DRAIN LINE FITTING
4.000"
[102]
24.500"
[622]
2.750"
[70]
STRAP MOUNTING
LOCATION
RIGHT SIDE
14.103"
[358]
RETURN AIR
OPENING
OUTDOOR AIR
OPENING
14.000"
[356]
23.500"
[597]
CONNECTION TABLE
CONNECTION SIZES
14 Gauge wire nut
Condensate drain fitting (2x)
3/4" NPT
6 LC POLY CORE
Kg
LB.
PTS
17.45
38.49
A
24.96
11.32
B
23.26
51.29
C
15.08
33.26
D
TOTAL 148.00
67.13
Direction of airflow
Center of gravity
8.000"
[203]
8.000"
[203]
6.500"
[165]
VK0089A
CONTROL PLATE
12.000"
[305]
REVERSED DOOR OPTION
15.000"
[381]
A MINIMUM OF 15.000" [381] CLEARANCE FROM ANY OBSTRUCTION IS REQUIRED FOR
REMOVAL OF HEAT RECOVERY CORES, FANS, ETC.
THE ACCESS DOOR CAN BE REMOVED FROM CABINET WITH ONLY 2.000" [51] OF CLEARANCE.
HEAT RECOVERY CORE
ACCESS DOOR
A MINIMUM OF 12.000" [305] CLEARANCE FROM ANY OBSTRUCTION
IS REQUIRED FOR REMOVAL OF CONTROL BOX.
NOTE: THIS MODEL HAS A DAMPER LOCATED ON THE OUTDOOR INTAKE CONNECTION. THIS DAMPER WILL CLOSE DURING A DEFROST CYCLE OR WHEN THE UNIT IS PLACED IN THE 'OFF' POSITION WITH POWER MAINTAINED TO THE UNIT.
THIS DAMPER IS NOT DESIGNED AS A BACKDRAFT DAMPER AND WILL REMAIN OPEN IF POWER IS DISCONNECTED FROM THE UNIT FOR ANY REASON.
REVERSE DOOR
OPTION
3.535"
[90]
8.000"
[203]
8.000"
[203]
4.000"
[102]
12.005"
[305]
A
NOTES:
Dimensions in [ ] are in millimeters
Appendix B
UNIT DIMENSIONS
B-1: 6LC (WITHOUT RECIRCULATION MODULE)
12
VK0090A
Control Plate
3.53"
[90]
8.00"
[203]
4.00"
24.50" [102]
[622]
8.00"
[203]
4.00" [102]
1.75" [44]
Control Box
Dry Contacts
Line Power
2.75" [70]
12.00"
[305]
19.207" [488]
5.125" [130]
49.550" [1259]
Heat Recovery Core
Access Door
Drain Fitting
Access Door
Strap Mounting
Location
15.00"
[381]
Reversed Door Option
14.00"
[356]
7.10"
[180]
14.10"
[358]
Exhaust Air
From Building
Fresh Air
From Outside
A minimum of 15.00" [381] clearance from any obstruction is required for removal
of heat recovery cores, fans, etc.
The access door can be removed from cabinet with only 2.00" [51] of clearance.
NOTE:
For units with the reversed door option, interior components will appear
as a mirror image of the above diagram.
A minimum of 6.00" [152] clearance from any obstruction
is required for removal of control box.
Reverse Door Option
Fresh Air
To Building
Exhaust Air
To Outside
28.12" [714]
14.00" [356]
1.75"
[44]
8.00"
[203]
4.00"
[102]
8.00"
[203]
6 LC POLY CORE
6 LC ALUMINUM CORE
with recirculation module with recirculation module
LB.
PTS
Kg
PTS
Kg
LB.
197
TOTAL
231
105
TOTAL
90
NOTE: Dimensions in [ ] are millimetres.
Appendix B (cont’d)
UNIT DIMENSIONS
B-2: 6LC WITH RECIRCULATION MODULE (FACTORY INSTALLED)
13
LEFT SIDE
B
FRESH AIR
TO BUILDING
EXHAUST AIR
TO OUTSIDE
20.000"
[508]
11.325"
[288]
4.028"
[102]
LINE POWER
CONTROL BOX
ACCESS
LOW VOLTAGE
TERMINAL STRIPS
A
5.715"
[145]
SUPPLY AIR
EXHAUST AIR
C
34.000"
[864]
TOP
5.125"
[130]
D
RETURN AIR
OUTDOOR AIR
FRONT VIEW
NOTE: FOR UNITS WITH THE REVERSED DOOR OPTION,
INTERIOR COMPONENTS WILL APPEAR AS A MIRROR
IMAGE OF THE ABOVE DIAGRAM.
19.207"
[488]
14.250"
[362]
B
ACCESS DOOR
4.000"
[102]
2.750"
[70]
STRAP MOUNT
LOCATION
A
B
12 LC ALUMINUM CORE
PTS
Kg
LB.
60.41
A
27.40
B
19.77
43.59
C
60.41
27.40
D
43.59
19.77
TOTAL 208.00
94.34
DRAIN FITTING
11.000"
[279]
20.000"
[508]
9.878"
[251]
RIGHT SIDE
EXHAUST AIR
FROM BUILDING
FRESH AIR
FROM OUTSIDE
20.000"
[508]
CONNECTION TABLE
CONNECTION SIZES
14 GAUGE WIRE NUT
CONDENSATE DRAIN FITTING (2X)
3/4" mpt
12 LC POLY CORE
Kg
LB.
PTS
24.50
54.02
A
38.98
17.68
B
54.02
24.50
C
38.98
17.68
D
84.36
TOTAL 186.00
Center of gravity
8.000"
[203]
8.000"
[203]
24.500"
[622]
VK0091A
CONTROL COVER
12.000"
[305]
A MINIMUM OF 12.000" [305] CLEARANCE FROM ANY OBSTRUCTION
IS REQUIRED FOR REMOVAL OF CONTROL BOX.
HEAT RECOVERY CORE
ACCESS DOOR
15.000"
[381]
REVERSED DOOR OPTION
A MINIMUM OF 15.000" [381] CLEARANCE FROM ANY OBSTRUCTION IS REQUIRED FOR REMOVAL
OF HEAT RECOVERY CORES, FANS, ETC.
THE ACCESS DOOR CAN BE REMOVED FROM CABINET WITH ONLY 2.000" [51] OF CLEARANCE.
NOTE: THIS MODEL HAS A DAMPER LOCATED ON THE OUTDOOR INTAKE CONNECTION. THIS DAMPER WILL CLOSE DURING A DEFROST CYCLE OR WHEN THE UNIT IS PLACED IN THE 'OFF' POSITION WITH POWER MAINTAINED TO THE UNIT.
THIS DAMPER IS NOT DESIGNED AS A BACKDRAFT DAMPER AND WILL REMAIN OPEN IF POWER IS DISCONNECTED FROM THE UNIT FOR ANY REASON.
REVERSE DOOR
OPTION
4.000"
[102]
8.000"
[203]
10.000"
[254]
41.206"
[1047]
40.326"
[1024]
20.620"
[524]
A
NOTES:
UNIT DIMENSIONS
B-3: 12LC (WITHOUT RECIRCULATION MODULE)
VK0092A
3.53"
[90]
8.00"
[203]
24.50" 4.00"
[102]
[622]
8.00"
[203]
1.75"
[44]
Control Cover
Control Box
Dry Contacts
Line Power
2.75" [70]
14
12.00"
[305]
is required for removal of control box.
Fresh Air
To Building
Exhaust Air
To Outside
20.00"
[508]
41.24" [1047]
10.00"
[254]
5.125" [130]
Heat Recovery Core
Access Door
Access Door
Drain Fitting
Strap Mounting
Location
Exhaust Air
From Building
Fresh Air
From Outside
15.00"
[381]
A minimum of 15.00" [381] clearance from any obstruction is required for removal
of heat recovery cores, fans, etc.
NOTE:
For units with the reversed door option, interior components
will appear as a mirror image of the above diagram.
19.207"
[488]
49.550" [1259]
20.000"
[508]
20.000"
[508]
10.000"
[254]
12 LC POLY CORE
12 LC ALUMINUM CORE
with recirculation module with recirculation module
Kg
PTS
Kg
LB.
PTS
LB.
247
TOTAL
269
122
TOTAL
112
NOTE: Dimensions in [ ] are millimetres.
1.75"
[44]
8.00"
[203]
4.00"
[102]
8.00"
[203]
UNIT DIMENSIONS
B-4: 12LC WITH RECIRCULATION MODULE (FACTORY INSTALLED)
15
VK0093A
40.500"
[1029]
8.000"
[203]
12.250"
[311]
8.000"
[203]
3.750"
[95]
LEFT SIDE
15.250"
[387]
RETURN AIR
OPENING
OUTDOOR
AIR
OPENING
14.000"
[356]
1.875"
[48]
3.625"
[92]
RETURN AIR
2.000"
[51]
OUTDOOR AIR
CONDENSATE DRAIN
B
2.000"
[51]
8.000"
[203]
2.000"
[51]
10.000"
[254]
SUPPLY AIR
OPENING
EXHAUST AIR
OPENING
7.500"
[191]
8.000" [203]
10.750"
[273]
8.000"
[203]
1.875"
[48]
RIGHT SIDE
10.605"
Low Voltage
[269]
Terminal Strips
A minimum of 12.00" [305] clearance from any
obstruction is required for power hook-up, low
voltage remote connection, and control panel access.
12.104"
[307]
2.157"
[55]
Line Voltage In
A
20.750"
[527]
3/4" NPT
Condensate drain fitting (2x)
B
Kg
14.85
31.05
15.97
33.38
95.25
A
7000
LB.
32.74
68.46
35.20
73.60
210.00
CONNECTION TABLE
CONNECTION SIZES
14 gauge wire nut
PTS
A
B
C
D
TOTAL
21.000"
[533]
is required for removal of heat recovery cores, fans, etc.
SUPPLY
AIR
37.000"
[940]
EXHAUST
AIR
HEAT RECOVERY CORE
ACCESS DOOR
FRONT
51.000"
[1295]
31.080"
[789]
24.736"
[628]
DEFROST AIR
OPENING
47.000"
[1194]
TOP
D
C
22.500"
[572]
B
A
NOTES:
Center of gravity
UNIT DIMENSIONS
B-5: 7000
Appendix C
BALANCING DAMPERS POSITION
6LC AND 12LC
Reverse Door Option
Balancing Damper
Min. 8" (203 mm)
(Optional) Canvas Vibration Isolator
Fresh Air
From Outside
Canvas Vibration Isolator
VJ0122A
Exhaust Air
From Building
7000
Balancing Damper
(not supplied)
Canvas Vibration Isolator
VJ0123A
Dry Contacts
16
Appendix D
DRAIN CONNECTIONS
6LC AND 12LC
Note:
All hose, pipe &
couplers to be
supplied by others.
Plastic Drain Fittings
3/4" NPT
Coupler
To Drain
Plastic Hose
Copper or
Plastic Pipe
Water Trap
To Drain
VO0002A
7000
Plastic Drain Fitting
Note:
All hose, pipe,
and couplers to be
supplied by others.
3/4" NPT
Coupler
To Drain
Plastic Hose
Copper or
Plastic Pipe
Water Trap
To Drain
VO0001A
17
Appendix E
TERMINAL CONTROL DIAGRAMS
E-1: TERMINAL LABEL
E-2: WALL CONTROL CONNECTION
A low voltage remote control wiring interface is provided on the unit.
The connections for the low voltage remote wiring are located on
two terminals adjacent to the exhaust fan outlet (or adjacent to the
supply fan outlet on the 7000 unit). All field installed wiring must be
low voltage class II.
Two types of remote wall controls are available:
1. Slide Switch Wall Control with fan switch and dehumidistat
control (for 6LC and 12LC units)
2. Pool Plus Wall Control with fan mode selection, dehumidistat
control and high speed recirculation mode (for 7000 unit).
REMOTE WALL CONTROL
LOW VOLTAGE CONTROLS
The remote wall controls work with the microprocessor electronic
control within the unit to control ventilation sequences. Each wall
control has different features and require 4-wire connection to the
unit as shown below.
All other terminals are dry contacts.
Low Voltage terminal control consists of the following:
Without the wall control, fans can be operated with a remote fan
switch as shown in Appendix E-4.
Optional wall control requires a 4 wire LVT-24 gauge (or
equivalent). This remote wall control runs on 12 VDC.
NOTE:
WALL CONTROL
When using a wall control, never use the the LOW, COMMON and
HIGH terminals.
4 wire LVT 24 gauge minimum
OCCUPIED (NIGHT SET BACK) TIMER/SENSOR
24 VAC, needs dry contact
LOW - COM - HIGH
Remote fan switching requires a single pole, double throw switch
(SPDT)
FAN INTERLOCK RELAY OUTPUT (FF)
Dry contact closes on ventilation or defrost. Used to control
external fan.
WALL CONTROL
Green
Black
Red
WALL CONTROL
Black
Green
Yellow
Red
LOW
JUMPER
OCCUPIED
TIMER/
SENSOR
Yellow
COMMON
OCCUPIED
TIMER/
SENSOR
LOW
COMMON
HIGH
HIGH
F
F
F
F
CLASS 2 VOLTAGE
CLASS 2 VOLTAGE
NOTE:
Connections are all dry
contacts except wall control
and 24VAC power supply.
NOTE:
contacts except wall
control
Use of 24VAC circuit
requires isolating contacts
(ex. thermostat) to prevent
interconnection of Class 2
outputs.
outputs.
VE0002A
VE0006A
18
Wall
Control
Appendix E (cont’d)
TERMINAL CONTROL DIAGRAMS
E-4: REMOTE FAN CONTROL
E-3: OCCUPIED TIMER/SENSOR CONNECTION
(NOT SOLD BY VENMAR OR VÄNEE)
Remote fan control can be achieved by connecting dry
contact controls to the terminal interface at terminals labeled:
LOW - COM - HIGH.
Occupancy control is achieved by connection to the terminal
interface shown below. These terminals require a dry contact which
could be provided by a number of types of controls such as a timer,
light sensor, occupancy sensor, building management system,
or other. The unit will not operate unless these contacts are
closed!!
These controls could be the following: SPDT switch, dehumidistat,
CO2 sensor, light sensor, timer, building management system, etc.,
supplied by others.
The illustration below represents a switch connected to the unit.
The illustration below shows a factory installed jumper and
programmable timer option (supplied by others).
JUMPER
(factory installed)
OCC. CONTROL
(field installed)
NSB Timer
WALL CONTROL
Green
Black
Red
WALL CONTROL
Green
Black
Yellow
Red
JUMPER
Red
WALL CONTROL
Green
Black
Yellow
M
JUMPER
1
OCCUPIED
TIMER/
SENSOR
2
3
4
5
LOW
OCCUPIED
TIMER/
SENSOR
COMMON
HIGH
24 (-) VAC
OCCUPIED
TIMER/
SENSOR
LOW
LOW
COMMON
HIGH
COMMON
HIGH
F
24 (+) VAC
F
F
F
F
F
CLASS 2 VOLTAGE
VE0314A
CLASS 2 VOLTAGE
CLASS 2 VOLTAGE
NOTE:
control and 24VAC power
supply.
NOTE:
control and 24VAC power
supply.
outputs.
outputs.
NOTE:
contacts except wall control
outputs.
VE0005A
Appendix F
CONTROL BOX ASSEMBLY 6LC AND 12LC
Remote control access plate
Remote wiring terminal block
Control box
HRV Cabinet
Control cover plate
VE0001A
19
REMOTE FAN SWITCH
Yellow
LOW
HIGH
20
330
307
283
259
236
212
189
700
650
600
550
500
450
400
472
425
377
330
1000
900
800
700
11.2
519
495
1100
542
1150
5.1
7.0
8.5
9.9
10.7
13.5
8.1
10.4
12.4
14.1
15.2
15.9
17.4
18.6
19.9
9.3
11.7
13.8
15.7
16.9
17.7
19.3
20.6
21.9
3.7
5.2
6.4
7.4
8.1
8.5
9.6
10.4
11.2
kW
6.7
8.6
10.2
11.7
12.6
13.2
14.5
15.5
16.5
kW
7.9
9.9
11.7
13.3
14.3
15.0
16.4
17.4
18.5
kW
2.5
3.2
4.0
5.0
5.6
6.2
6.8
kW
68°F
(20°C)
3.2
3.9
4.9
5.9
6.5
7.3
8.0
kW
73°F
(23°C)
2.3
3.4
4.3
5.0
5.5
5.8
6.6
7.2
7.8
kW
55°F
(13°C)
5.3
6.8
8.1
9.3
10.0
10.5
11.5
12.3
13.1
kW
68°F
(20°C)
6.5
8.2
9.6
10.9
11.7
12.3
13.4
14.3
15.2
kW
73°F
(23°C)
Desired Air Temperature
Outdoor Air -4°F (-20°C)
0.9
1.3
1.9
2.6
3.0
3.4
3.9
kW
55°F
(13°C)
1.9
2.3
3.0
3.7
4.1
4.6
5.1
kW
68°F
(20°C)
2.5
3.1
3.8
4.6
5.1
5.6
6.2
kW
73°F
(23°C)
0.9
1.7
2.2
2.6
2.9
3.1
3.6
4.0
4.4
kW
55°F
(13°C)
3.9
5.0
6.0
6.9
7.4
7.7
8.5
9.1
9.7
kW
68°F
(20°C)
5.1
6.4
7.5
8.5
9.1
9.6
10.4
11.1
11.8
kW
73°F
(23°C)
Outdoor Air 14°F (-10°C)
0.2
0.4
0.9
1.3
1.6
1.8
2.1
kW
55°F
(13°C)
Outdoor Air 14°F (-10°C)
Outdoor Air 32°F (0°C)
1.2
1.5
1.9
2.4
2.7
3.0
3.3
kW
68°F
(20°C)
1.8
2.2
2.7
3.3
3.7
4.0
4.4
kW
73°F
(23°C)
-
-
0.1
0.2
0.4
0.4
0.7
0.8
1.0
kW
55°F
(13°C)
2.5
3.3
3.9
4.4
4.8
5.0
5.5
5.9
6.3
kW
68°F
(20°C)
3.7
4.6
5.4
6.1
6.5
6.8
7.4
7.9
8.4
kW
73°F
(23°C)
Outdoor Air 32°F (0°C)
-
-
-
0.1
0.1
0.2
0.3
kW
55°F
(13°C)
6LC AND 7000
1050
12.6
566
1200
14.6
590
1250
kW
73°F
(23°C)
kW
68°F
(20°C)
kW
73°F
(23°C)
55°F
(13°C
Supply
Air
(L/s)
68°F
(20°C)
3.9
4.8
5.9
7.2
8.0
8.9
9.7
55°F
(13°C)
3.2
4.0
5.1
6.3
7.0
7.8
8.6
1.5
2.1
3.0
3.9
4.5
5.0
5.6
4.6
5.6
7.0
8.5
9.4
10.5
11.5
kW
3.9
4.9
6.1
7.6
8.5
9.4
10.4
kW
2.2
3.0
4.0
5.2
5.9
6.6
7.4
kW
kW
kW
kW
73°F
(23°C)
55°F
(13°C
68°F
(20°C)
55°F
(13°C)
68°F
(20°C)
73°F
(23°C)
Supply
Air
(CFM)
12LC UNIT
Supply
Air
(L/s)
Supply
Air
(CFM)
6LC and 7000
UNITS
Although the 6LC, 7000 and 12LC models have good efficiencies, the supply air could be colder than the ambient room air. It is possible to eliminate the discomfort
associated with this temperature difference by installing an electric duct heater. This will temper the air before it is distributed throughout the building.
The tables below gives the heating requirements at different temperatures and airflows.
NOTE:
The data does not reflect a reduction in effectiveness due to frosting.
Based on the standard air at: 1.2 Kg/m3 and Cp = 1.0 KJ/Kg°C
13.35 lb/ft3 and Cp = .24 Btu/lbm°F
Appendix G
MAKE-UP HEAT REQUIREMENTS
12LC
Appendix H
WIRING DIAGRAMS
6LC & 12LC - Exhaust Defrost - Normal Low Speed
1002
BK
1004
BK NEUT CR1024
1 1
2 2
2 2
to 2017
INTAKE R
BL
NOTE A
BN
W
W
1 1
R
4 2
LOW SPEED
GL1004
G
4 4
W
NC
from 1013 COM
DEFROST
1003
PJ1001B BK
4 4
CR1029
W
2 2
PJ1001A
BK/Y
CR1026 BK/Y
4 2
HIGH SPEED
1 1
BK
GN
BL
3 3
1021
3 3
1
F
2
1023
I
3
1024
OC
4
from 2007
REMOTE FAN
OL
8 6
HIGH
SPEED
1008
PJ1007A BK
4 4
from 1022
EXHAUST
CR1024
BK
1009
BK
PJ1007
BK/Y
CR1026 BK/Y
BK
1007
8 6
LOW
SPEED
4 4
W/R
W/R
1 1
R
R
R
BL
GN
BL
1029
3 3
1031
BK
FIELD WIRING (USE COPPER CONDUCTORS ONLY)
UNIT ASSEMBLY (NOT ON CONTROL PANEL)
2000
TB2002
TB2002A
GN
BK
BLACK
GREEN
R
GN
2004
PJ2003
to 1027
TRANSMIT
2 2
DEFROST
THERMISTOR
10K OHMS
R2004
YELLOW
3.9 K BK
LOW
GN PJ2003
4 4
to 1028
UNOCC.
RECEIVE
COM
2006
HIGH
2008
PJ2003
to 1022
REM FAN
REMOTE FAN
BL PJ2003
5 5
to 1021
INTERLOC
INTERLOCK
6 6
PJ2003
to 1029
LOGIC GND
1 1
2009
2010
2011
2012
2013
2014
BK/R
from 1030
CORE DAMPER
PJ2013
PJ2013A
2 2
2 2
1 1
1 1
W/R
from 1022
EXHAUST
2
ACT2013
CORE
ACTUATOR
1
2015
2016
2017
2018
VE0338A
BK
from 1012
120 VAC
from 1002
INTAKE
PJ2016
7
G
8
B
9
1
N/O
BL
2
PJ2016A
2 2
2 2
1 1
1 1
W
2
1
ACT2016
INTAKE
ACTUATOR
JUMPER SETTINGS
FOR CONTROL BOARD
JU1
JU1
JU1
JU1
JU1
JU1
JU1
A
B
C
D
E
F
G
OFF
OFF
OFF
ON
ON
ON
ON
21
from 1013
NEUT
W/R
to 1008, 2014
EXHAUST
R
CR1024
0
1
W/Y
O
CR1026
0
1
LOW SPEED
NO 1003, 1009
NC
HIGH SPEED
NO 1001, 1007
NC
W/BL
BK/R
CR1029
DEFROST
NO
NC 1002
to 2013
CORE DAMPER
N/C
COLOR CODE
PJ2003 Y
3 3
to 1026
12 VDC
OCC.
BL
2 BK
BL
R
W
COM
TAGS
CR1029
CR1024
CR1026
UCB1021
2001
RED
BK
SN1030
1 BK
BK
BK/R
BK/Y
BL
BN
GN
O
NOTE A: THE MEDIUM SPEED WIRES MAY OPTIONNALLY
REPLACE THE LOW SPEED (RED) WIRES
RUNNING FROM RELAY LOW SPEED.
2003
from 2007
LOGIC GND
1033
to 1002, 1021
NEUT
2002
GN
from 2005
RECEIVE
6
1032
to 1020, 2016
120 VAC
W
1013
R
from 2003
TRANSMIT
1030
1011
1012
from 2003
12 VDC
5
Y
J4
3 3
1027
BN
2 2
BL
NOTE A
CAP1007
5 μF
BK
HIGH
MOT1008 1028
COM
EXHAUST
LOW GND BLOWER
MED
1 1
2 2
1010
BN
W
1026
Y
J3
1006
2007
BL
1025
1005
2005
BL
from 2008
INTERLOCK
from 1012
120 VAC
BK
F
BN
HIGH
MOT1002 1022
COM
SUPPLY
LOW GND BLOWER
MED
R
BL
CAP1001
5 μF
BK
J1
1001
CONTROL
BOARD
UCB1021
1020
MAIN
POWER
PJ1001 BK
EXT.
J2
1000
BLACK
R
BLACK/RED
W
BLACK/YELLOW
W/BL
BLUE
W/R
BROWN
W/Y
GREEN
Y
ORANGE
CONTROL BOX BOM
RED
WHITE
WHITE/BLUE
WHITE/RED
WHITE/YELLOW
YELLOW
QTY.
1
DESCRIPTION
RELAY SPDT 120 VAC 1 HP 30 A @ 120 VAC
2
RELAY DPST 120 VAC 1 HP 30 A @ 120 VAC
1
PC BOARD
Appendix H (cont’d)
WIRING DIAGRAMS
6LC & 12LC - Exhaust Defrost - Reduced Low Speed
1000
EXT.
1001
BK
CONTROL
BOARD
UCB1021
1020
MAIN
POWER
PJ1001 BK
BK
PJ1001A
BK/Y
CR1026 BK/Y
PJ1001B BK
CAP1001
5 μF
BK
1021
BK
BL
F
1
F
2
1023
I
3
1024
OC
4
1005
1025
OL
1006
1026
W
W
NC
from 1013 COM
DEFROST
NEUT CR1024
2 2
1 1
2 2
2 2
to 2017
INTAKE R
from 1022
EXHAUST
CR1024
1008
1009
BL
3 3
BK
PJ1007
BK/Y
PJ1007A BK
8 6
LOW
SPEED
4 4
1 1
R
R
R
GN
BL
BL
1031
BK
1012
1013
R
from 2003
TRANSMIT
GN
from 2005
RECEIVE
from 2007
LOGIC GND
BK
SN1030
1 BK
DEFROST
THERMISTOR
10K OHMS
1032
to 1020, 2016
120 VAC
W
from 2003
12 VDC
1030
3 3
R
1011
1029
Y
2
1016
CR1023 W
W
13
G
8
B
9
1
N/O
BL
2
R
14
CR1024
0
1
W/Y
O
CR1026
0
1
REDUCED
LOW SPEED
NO 1015, 1016
NC
LOW SPEED
NO 1003, 1009
NC
HIGH SPEED
NO 1001, 1007
NC
W/BL
BK/R
CR1029
DEFROST
NO
NC 1002
to 2013
CORE DAMPER
N/C
COM
COLOR CODE
BK
BK/R
BK/Y
BL
BN
GN
O
W COMMON
12 8
REDUCED
LOW SPEED
7
to 1008, 2014
EXHAUST
CR1023
XF1015
FU1015 BK 415 VA/855 VA R
OUTPUT
INPUT
90V
9 5
REDUCED
LOW SPEED
BK
R
USE COPPER
CONDUCTORS
ONLY
1014
BK CR1023 BK
BL
6
from 1013
NEUT
1033
to 1002, 1021
NEUT
1015
W/R
5
Y
J4
3 3
1027
BN
2 2
BL
NOTE A
CAP1007
5 μF
BK
HIGH
MOT1008 1028
COM
EXHAUST
LOW GND BLOWER
MED
1 1
2 2
1010
BN
W
W/R
W/R
BL
from 2007
REMOTE FAN
W
GN
BL
4 4
from 2008
INTERLOCK
J3
8 6
HIGH
SPEED
BN
HIGH
MOT1002 1022
COM
SUPPLY
LOW GND BLOWER
MED
R
3 3
CR1026 BK/Y
BK
W
1 1
BL
NOTE A
1007
BN
W
R
4 2
LOW SPEED
GL1004
G
4 4
J1
CR1029
1003
1004
4 4
J2
1002
4 2
HIGH SPEED
1 1
from 1012
120 VAC
AUTO
TRANSFORMER
R
W
W/BL
W/R
W/Y
Y
BLACK
BLACK/RED
BLACK/YELLOW
BLUE
BROWN
GREEN
ORANGE
RED
WHITE
WHITE/BLUE
WHITE/RED
WHITE/YELLOW
YELLOW
TB2002
BLACK
PJ2003
to 1027
TRANSMIT
2 2
RED
GN
2004
14
PJ2003 Y
3 3
to 1026
12 VDC
R2004
YELLOW
3.9 K BK
OCC.
2005
13
GREEN
R
2003
NOTE: AUTOTRANSFORMERS ARE
MOUNTED ON THE BACK OF
THE CONTROL BOX.
TB2002A
GN
BK
2002
4
8
12
2001
1
5
9
2000
LOW
GN PJ2003
4 4
to 1028
UNOCC.
RECEIVE
COM
2006
HIGH
2007
2008
PJ2003
to 1022
REM FAN
REMOTE FAN
BL PJ2003
5 5
to 1021
INTERLOC
INTERLOCK
BL
6 6
6LC
FU1015
5 A - 6LC
8 A - 12LC
PJ2003
to 1029
LOGIC GND
1 1
2009
2010
2011
12LC
2012
2013
2014
BK/R
from 1030
CORE DAMPER
PJ2013
PJ2013A
2 2
2 2
1 1
1 1
W/R
from 1022
EXHAUST
2
CONTROL BOX BOM
ACT2013
CORE
ACTUATOR
TAGS
CR1029
CR1024
CR1026
CR1023
UCB1021
1
2015
2016
2017
BK
from 1012
120 VAC
from 1002
INTAKE
PJ2016
PJ2016A
2 2
2 2
1 1
1 1
W
2
ACT2016
INTAKE
ACTUATOR
QTY.
1
DESCRIPTION
2
1
1
RELAY DPDT 120 VAC 1/2 HP 15A @ 120 VAC
PC BOARD
1
JUMPER SETTINGS
FOR CONTROL BOARD
2018
JU1
JU1
JU1
JU1
JU1
JU1
JU1
VE0339A
22
A
B
C
D
E
F
G
OFF
OFF
OFF
ON
ON
ON
ON
WIRING DIAGRAMS
6LC & 12LC - Recirculation Defrost - Normal Low Speed
W
from 1013
NEUT
CR1024
BK
2 2
1003
W
1 1
R
R
4 2
LOW SPEED
GL1004
G
W
1 1
R
2 2
BL
3 3
NOTE A
GN
3 3
BK
1006
BK
1007
CR1026 BK/Y
8 6
HIGH SPEED
PJ1007 BK/Y PJ1007A BK
4 4
4 4
CR1029 W/R
1008
from 1022 COM NC
EXHAUST DEFROST
CR1024
BK
1009
1011
BK
1012
CAP1007
5 μF
BK
BN
1023
I
3
1024
OC
4
1025
OL
1026
2 2
BL
BL
BL
3 3
NOTE A 3 3
PJ1027 BK
5 5
to 2026
ADDER 120 VAC
7
G
8
B
9
1
BL
2
to 2032
LOW LOCKOUT
PJ1024 CR1024
R
LOW SPEED
2 2
R 1 1 0 1
NO 1003, 1009
from 2031
NC
W/Y
LOW LOCKOUT
R
PJ1024
0
1
4
PJ1027
4 to 2025
ADDER COMMON
W/BL
W/BL
W/Y
CR1029
BK/R
DEFROST
NO
PJ1027 NC 1008
3 to 2022
DEFROST SIGNAL
BK/R
N/O
HIGH SPEED
NO 1001, 1007
NC
CR1026
O
3
N/C
COM
COLOR CODE
BK
BK/R
BK/Y
BL
BN
GN
GN/Y
BLACK
BLACK/RED
BLACK/YELLOW
BLUE
BROWN
GREEN
GREEN/YELLOW
O
R
W
W/BL
W/R
W/Y
Y
ORANGE
RED
WHITE
WHITE/BLUE
WHITE/RED
WHITE/YELLOW
YELLOW
RECIRC DAMPER BOX
2021
TB2002
TB2002A
GN
BK
2002
BLACK
GREEN
R
2003
RED
PJ2003
to 1027
TRANSMIT
2 2
GN
2004
PJ2003 Y
to 1026
12 VDC
3 3
YELLOW
R2004
3.9 K
BK
OCC.
CR2022
BK/R PJ2026 BK/R
W/BL
2022
DEFROST 2
from 1030 3 3
NO 2033
DEFROST SIGNAL
NC 2032
W/BL
2023
1 1
W/BL
BK
2024
LOW
GN PJ2003
4 4
to 1028
UNOCC.
RECEIVE
COM
HIGH
PJ2003
to 1022
REM FAN
REMOTE FAN
BL PJ2003
5 5
to 1021
INTERLOC
INTERLOCK
BL
6 6
W/BL
from 1027 4 4
ADDER COMMON
2026
2025
2006
PJ2003
to 1029
LOGIC GND
1 1
from 1011 5 5
2027 ADDER 120 VAC
6 6
2028
2009
2029
2010
2030
2011
2031
2013
BL
R
to 1008
EXHAUST
R
2020
2001
2012
R
from 1013
NEUT
1033
to 1002, 1021
NEUT
2000
2008
from 2003
12 VDC
6
W
W/R
5
Y
1032
2007
Y
1027
2005
from 2007
REMOTE FAN
from 2003
TRANSMIT
MOT1008
GN
EXHAUST 1028
from 2005
BLOWER
RECEIVE
BK
1029
GN/Y
from 2007
SN1030
LOGIC GND
GN
1 BK
1030
DEFROST
THERMISTOR
BK
1031
10K OHMS 2
to 1020
120 VAC
W
1013
R
2 2
2
J4
BK
1 1
R
F
BL
HIGH
COM
LOW GND
MED
W
1 1
R
8 6
LOW
SPEED
1010
W/R
BN
1
from 2008
INTERLOCK
J3
1005
BL
F
MOT1002
SUPPLY 1022
BLOWER
GN/Y
2 2
BL
BL
1021
BK/Y
from 1000 2 2
SUPPLY ON
from 1024
LOW LOCKOUT
2032
to 1023
LOW LOCKOUT
2033
VE0340A
23
FU2026
BK
BK
0.25
BK
R
BL
G
CONTROLS
TRANSFORMER
CR2028
BL
5 3
UNOCCUPIED
HIGH
2 2
CR2028
7
8
BK/Y
6 2
UNOCCUPIED
R HIGH
W
W
PJ2031 R CR2028
1 1
C
R
XF2025
40 VA
W/BL
TB2023
W
R
X2
1004
W
BN
HIGH
COM
LOW GND
MED
from 1012
120 VAC
BK
J1
HIGH SPEED
CONTROL
BOARD
UCB1021
1020
J2
1 1
CAP1001
5 μF
BK
X1
1002
BK
2 2
H2
1001
PJ1027
BK
to 2029
SUPPLY ON
CR1026 BK/Y PJ1001A BK/Y PJ1001B BK
BN
4 2
4 4
4 4
BK/Y
MAIN
POWER
PJ1001
BK
BK
EXT.
H1
1000
W
R CR2022
R
COM NC
DEFROST 2
R CR2022
COM NO
DEFROST 2
O
UNOCCUPIED
HIGH
NO 2028
NC 2031
1
ACT2031
2
NOTE: REVERSE DOOR
ACCESS, SWAP
WIRES ON
TERMINALS 2
AND 3.
3
WIRING DIAGRAMS
6LC & 12LC - Recirculation Defrost - Normal Low Speed (cont’d)
UNIT CONTROL BOX
ADDER CONTROL BOX
CONTROL BOX BOM
JUMPER SETTINGS
FOR CONTROL BOARD
JU1
JU1
JU1
JU1
JU1
JU1
JU1
VE0341A
A
B
C
D
E
F
G
OFF
OFF
OFF
ON
ON
ON
ON
TAGS
CR1029
CR2022
CR1024
CR1026
CR2028
FU2026
UCB1021
XF2025
24
QTY.
2
DESCRIPTION
2
1
1
1
1
RELAY DPDT 24 VAC 1/2 HP 15 A @ 120 VAC
FUSE 0.25 A AND FUSE HOLDER MINI
PC BOARD
TRANSFORMER
WIRING DIAGRAMS
6LC & 12LC - Recirculation Defrost - Reduced Low Speed
1001
1002
BK
W
W
4 2
HIGH SPEED
BK
4 4
2 2
4 2
LOW SPEED
GL1004
G
BK
W
1 1
R
R
2 2
BN
MOT1002
SUPPLY
BLOWER
GN/Y
2 2
BL
CAP1001
5 μF
BK
HIGH
COM
LOW GND
MED
W
1 1
R
BL
3 3
3 3
1021
F
1
F
2
1023
I
3
1024
OC
4
1022
BK
PJ1007
BK/Y PJ1007A BK BN
4 4
4 4
CR1026 BK/Y
8 6
HIGH SPEED
CR1029 W/R
1008
from 1022 COM NC
EXHAUST DEFROST
CR1024
R
BK
1009
1 1
R
1 1
R
R
2 2
CAP1007
5 μF
BK
BN
HIGH
COM
LOW GND
MED
W
W/R
8 6
LOW
SPEED
MOT1008
EXHAUST
BLOWER
GN/Y
2 2
1026
1027
1028
from 2007
REMOTE FAN
OL
BL
BL
PJ1027 BK
BK
BK
W
1013
5 5
from 2003
TRANSMIT
GN
from 2005
RECEIVE
BK
SN1030
1 BK
1030
3 3
1031
BK
R
from 2007
LOGIC GND
R
1011
from 2003
12 VDC
to 2026
ADDER 120 VAC
DEFROST
THERMISTOR
10K OHMS
2
BK
W
to 1008
R
CR1023 EXHAUST
to 2032
W/Y REDUCED
LOW LOCKOUT 13 14
LOW SPEED
NO 1015, 1016
PJ1024
PJ1024 CR1024
NC
R
LOW SPEED
2 2
R 1 1 0 1
NO 1003, 1009
from 2031
W/Y NC
W/Y
LOW LOCKOUT
5
CR1026
W/Y
6
O
R
7
W/BL
G
8
B
9
BK/R
N/O
BK/R
BL
1
BL
2
from 1013
NEUT
W/R
Y
0
1
HIGH SPEED
NO 1001, 1007
NC
PJ1027
W/BL
4 4 to 2025
ADDER COMMON
W/BL
CR1029
DEFROST
NO
J4
3 3
Y
1029
GN
BL
NOTE A
1010
PJ1027 BK/R NC 1008
3
3
to 2022
DEFROST SIGNAL
N/C
COM
1032
to 1020
120 VAC
1033
to 1002, 1021
NEUT
1034
1014
XF1015
BK CR1023 BK FU1015 W 415 VA/855 VA Y
5A
9 5
INPUT
OUTPUT
REDUCED
1015
1035
LOW SPEED
1016
BL
J3
BK
1006
1007
from 1012
120 VAC
BK
BL
from 2008
INTERLOCK
1025
1005
1012
CONTROL
BOARD
UCB1021
1020
GN
BL
NOTE A
BN
4 4
W
from 1013
NEUT
CR1024
R
to 2029
SUPPLY ON
PJ1001A BK/Y PJ1001B BK
CR1026 BK/Y
1 1
1003
1004
2 2
J1
EXT.
PJ1027BK/Y
BK/Y
MAIN
POWER
PJ1001
BK
BK
J2
1000
CR1023 W
W
BK
12 8
REDUCED
LOW SPEED
1017
1036
COMMON
AUTO
TRANSFORMER
1037
COLOR CODE
2000
PJ2003 Y
RED
2004
to 1026
12 VDC
3 3
3.9 K
1 1
YELLOW
R2004
BK
OCC.
LOW
GN PJ2003
4 4
to 1028
UNOCC.
RECEIVE
COM
HIGH
PJ2003
6 6
to 1022
REM FAN
REMOTE FAN
BL PJ2003
5 5
to 1021
INTERLOC
INTERLOCK
BL
W/BL
from 1027 4 4
ADDER COMMON
2026
BK
BK
from 1011 5 5
2027 ADDER 120 VAC
2025
PJ2003
1 1
to 1029
LOGIC GND
2028
2009
2029
2010
2030
2011
2031
6 6
BK/Y
from 1000 2 2
SUPPLY ON
25
C
FU2026
BK 0.25 BK
BK
R
R
XF2025
40 VA
W/BL
R
BL
G
W
W
CONTROLS
TRANSFORMER
CR2028
BL
5 3
UNOCCUPIED
HIGH
CR2028
7
8
BK/Y
PJ2031 R CR2028
R
6 2
from 1024 1 1
UNOCCUPIED
LOW LOCKOUT
R HIGH
R
2032
to 1023 2 2
LOW LOCKOUT
2033
VE0342A
TB2023
W
W/BL
BK
2024
2006
2013
DEFROST 2
NO 2033
NC 2032
X2
PJ2003
2 2
to 1027
TRANSMIT
GN
BK/R
from 1030 3 3
DEFROST SIGNAL
2023
2022
X1
GREEN
R
2003
2012
ORANGE
RED
WHITE
WHITE/BLUE
WHITE/RED
WHITE/YELLOW
YELLOW
CR2022
W/BL
H2
BLACK
PJ2026 BK/R
H1
TB2002A
GN
BK
2002
2008
O
R
W
W/BL
W/R
W/Y
Y
RECIRC DAMPER BOX
2021
TB2002
2007
BLACK
BLACK/RED
BLACK/YELLOW
BLUE
BROWN
GREEN
GREEN/YELLOW
2020
2001
2005
BK
BK/R
BK/Y
BL
BN
GN
GN/Y
W
R CR2022
R
COM NC
DEFROST 2
R CR2022
COM NO
DEFROST 2
O
UNOCCUPIED
HIGH
NO 2028
NC 2031
1
ACT2031
2
NOTE: REVERSE DOOR
ACCESS, SWAP
WIRES ON
TERMINALS 2
AND 3.
3
WIRING DIAGRAMS
6LC & 12LC - Recirculation Defrost - Reduced Low Speed (cont’d)
4
8
12
14
1
5
9
13
UNIT CONTROL BOX
ADDER CONTROL BOX
FU1015
5 A - 6LC
8 A - 12LC
NOTE: AUTOTRANSFORMERS ARE
MOUNTED ON THE BACK OF
THE CONTROL BOX.
6LC
12LC
CONTROL BOX BOM
JUMPER SETTINGS
FOR CONTROL BOARD
JU1
JU1
JU1
JU1
JU1
JU1
JU1
VE0343A
A
B
C
D
E
F
G
OFF
OFF
OFF
ON
ON
ON
ON
TAGS
CR1029
CR2022
CR1024
CR1026
CR2028
CR1023
FU2026
UCB1021
XF2025
26
QTY.
DESCRIPTION
2
2
1
1
1
1
1
FUSE 0.25 A AND FUSE HOLDER MINI
PC BOARD
TRANSFORMER
WIRING DIAGRAMS
7000 - Recirculation Defrost
GD
N
W
R
from 1025
to 1022, 2024
SUPPLY LOW
NEUT
GD
GN
PJ1001 R
1 1
to 1020, 2023
from 1024
120 VAC
LOW SPEED
W/Y
BN/W
LOW
COM
HIGH
GND
W
2 2
BK/Y
BK
CAP1001
5 μF
BK
BN
GN
GN/Y
4 4
1006
R
from 1024
LOW SPEED
W/BL
from 1021
EXHAUST COM
BK/Y
from 1026
HIGH SPEED
1007
1008
1009
PJ1007
1 1
CR1029
9 1
DEFROST 1
1 1
2 2
BK/Y
BK/Y
12 4 3 3
DEFROST 1
F
2
1023
I
3
1024
OC
4
1025
OL
BN
4 4
from 2007
REMOTE FAN
Y
1026
from 2003
12 VDC
1027
MOT1008
EXHAUST 1028
BLOWER
GN/Y
BL
1029
R
from 2003
TRANSMIT
GN
from 2005
RECEIVE
BK
from 2007
LOGIC GND
SN1030
1 BK
1030
1011
1031
1012
1032
DEFROST
THERMISTOR
10K OHMS
2
6
R
7
G
8
B
9
1
N/O
to 1008
EXHAUST COM
from 1002
NEUT
R
W/Y
BK/Y
to 1001, 1007
LOW SPEED
to 1002
SUPPLY COM
to 1003, 1009
HIGH SPEED
W/R
BK/R
CR1029
13
14
CR1030
BL
BL
BK
W/BL
W
5
Y
J4
4 4
LOW
COM
HIGH
GND
CAP1007
5 μF
BK
3 3
GN
GN
BN/W
W/BL
W/BL
2 2
CR1029
1010
PJ1007A R
R
1
J3
1005
BK
F
from 2008
INTERLOCK
from 1001
120 VAC
BK
BL
1021
MOT1002
SUPPLY 1022
BLOWER
3 3
from 1026
HIGH SPEED
1004
CONTROL
BOARD
UCB1021
1020
J1
1003
N
LINE SIDE
1002
USE COPPER
CONDUCTORS
ONLY
BK
2
13
J2
1001
SPLITTER BLOCK
TB1001
BK
L1
L1
LOAD SIDE
1000
N/C
14
DEFROST 1
NO
NC 1008, 1009
DEFROST 2
NO 2023
NC 2024
COM
COLOR CODE
BK
BK/R
BK/Y
BL
BN/W
GN
GN/Y
FIELD WIRING
BLACK
BLACK/RED
BLACK/YELLOW
BLUE
BROWN/WHITE
GREEN
GREEN/YELLOW
O
R
W
W/BL
W/R
W/Y
Y
ORANGE
RED
WHITE
WHITE/BLUE
WHITE/RED
WHITE/YELLOW
YELLOW
2020
2000
2021
BLACK
Y
R
2003
RED
GN
2004
to 1027
TRANSMIT
to 1026
12 VDC
R2004
3.9 K
2023
BK
2024
LOW
GN
GN
to 1028
RECEIVE
UNOCC.
2006
2025
COM
BK
2026
HIGH
BL
2007
REM FAN
BL
2008
INTERLOC
to 1022
REMOTE FAN
to 1021
INTERLOCK
to 1029
LOGIC GND
BK
from 1001
120 VAC
YELLOW
OCC.
2005
2022
GREEN
2027
2028
2009
2029
2010
2030
VE0344A
27
W
from 1002
NEUT
FU2023
0.5
XF2024
BK 40 VA
BK
X2
BK
2002
X1
TB2002A
GN
H2
TB2002
H1
2001
TRANSFORMER
CONTROLS
BL
BL CR1030
O
BL CR1030
PJ2023A O
3
3 3
9 5
DEFROST 2
BK/R
9 1
DEFROST 2
2 2
W/R
1 1
BK/R 2
W/R 1
ACT2023
SUPPLY DAMPER
WIRING DIAGRAMS
7000 - Recirculation Defrost (cont’d)
CONTROL BOX BOM
1
5
9
4
8
12
1
5
9
4
8
12
13
14
13
14
TAGS
CR1029
CR1030
QTY.
FU2023
1
UCB1021
XF2024
R2004
SN1030
TB1001
1
1
1
1
1
2
DESCRIPTION
RELAY DPDT 120 VAC 1/2 HP
15 A @ 120 VAC
FUSE 0.5 A AND FUSE HOLDER
FLUSH MOUNT
PC BOARD
TRANSFORMER
RESISTOR 3.9K
THERMISTOR 10K OHMS
SPLITTER BLOCK
JUMPER SETTINGS
FOR CONTROL BOARD
JU1
JU1
JU1
JU1
JU1
JU1
JU1
A
B
C
D
E
F
G
ON
OFF
OFF
ON
ON
ON
ON
VE0345A
Appendix I
TROUBLESHOOTING
SYMPTOMS
POSSIBLE CAUSES
SOLUTIONS
Inside air is too dry
Over ventilation - speed setting too high
Dehumidistat setting is too low
Adjust speed setting
Set dehumidistat control in a higher position
(if applicable)
Persistent condensation on windows, walls, Improper adjustment of dehumidistat
ceilings, etc.
control
Improper ventilation rate
Window frame is too cold or leaky
Adjust dehumidistat control knob to a lower
setting
Install a dehumidistat (option)
Repair window frame
Unit stops functioning
Electrical supply interrupted
Check the unit circuit breaker
Air from supply diffusers too cold
Imbalance of supply and exhaust air
Check filters and cores for blockage
Check balance of airflows
Install electric duct heater if necessary
Outdoor temperature very cold
Unit makes annoying noise
Blower wheel out of alignment
Remove the motor/blower assembly
and adjust blower wheel
Heat exchange core freezing up
Imbalance of supply and exhaust air
Check filters and cores for blockage
Check balance of airflows
Check for operation of both defrost damper
actuators
Defrost damper not functioning
For technical assistance and warranty information,
please call your local supplier.
28

Light Commercial Heat Recovery Ventilators

Transcription

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