IMC Series Imeco Cooling Tower

Transcription

Form 420.10-SED1 (JUN 2007)
SPECIFICATIONS - ENGINEERING DATA - DIMENSIONS
Replaces: E200-210 SED (JUN 05)
COOLING TOWERS
420.10-SED1 (JUN 07)
Page 2
COOLING TOWERS
Contents
IMC Line of Cooling Towers .....................................................................................................................................3
Water Distribution System ........................................................................................................................................5
Air Circulation System ..............................................................................................................................................5
Belt Drive System .....................................................................................................................................................5
Belt Drive System .....................................................................................................................................................6
Fan Shaft Bearings ...................................................................................................................................................6
Inlet Louver Design ..................................................................................................................................................6
Inspection and Maintenance Accessibility ................................................................................................................7
Gearbox Drive System .............................................................................................................................................7
Heaters and Thermostats .........................................................................................................................................7
SELECTION PROCEDURE .....................................................................................................................................8
SELECTION FACTOR GRAPH ...............................................................................................................................9
800 SERIES SINGLE CELL UNIT TOWER SELECTION ......................................................................................10
800 SERIES DOUBLE CELL UNIT TOWER SELECTION ....................................................................................11
1212 UNIT TOWER SELECTION ..........................................................................................................................12
1218 UNIT TOWER SELECTION ..........................................................................................................................13
Dimensions — IMC 806 .........................................................................................................................................14
Platform Layout — IMC 806 ...................................................................................................................................14
Dimensions and Platform Layout — IMC 809-1 .....................................................................................................15
Dimensions and Platform Layout — IMC 1212-1 ...................................................................................................17
Specifications .........................................................................................................................................................20
STANDARD ENGINEERING SPECIFICATIONS ...................................................................................................22
OPTIONAL FEATURES AND EQUIPMENT ..........................................................................................................22
COOLING TOWERS
420.10-SED1 (JUN 07)
Page 3
IMC Line of Cooling Towers
The IMC series optimizes an induced draft counterflow
design. Factory and field tests have proven that this is the
most efficient design for cooling tower performance. Thus,
the IMC’s enhanced performance yields lower operating
costs; a tangible benefit for owners and operators.
The IMC series typically uses up to one third less plan area
than a competitive crossflow tower of comparable capacity.
Significant savings in structural support can be realized
due to the related reduction (up to one third less) in cooling
tower weight.
The IMC series is designed for air conditioning and industrial water cooling applications in a variety of climatic conditions. The IMC is a heavy-duty cooling tower. All of its major
components, fans, inlets, motors, fill, nozzles, bearings, and
gearboxes have been selected and built to ensure efficient
and dependable service for years of trouble-free service.
Hot Dip Galvanizing
Imeco stands alone in providing a hot dip galvanized after
fabrication basin as standard on every cooling tower we
build. We have "twice the thickness" zinc protection compared to competitors G235 “mill galvanized before fabrication” offerings. Our hot dip galvanizing after fabrication
process ensures the longevity and durability of your cooling
tower installation.
®
800 series
Our "twice the thickness" zinc also protects the holes and
the sheet metal edges created by tower panel fabrication.
Our metal doesn't deteriorate like the “painted holes and
edges” inherent in the standard G235 “mill galvanized
before fabrication” construction offered by others.
As has been graphically recorded by the American Galvanizers Association, "twice the zinc" thickness directly corresponds to twice the corrosion protection, yielding dramatic
increases in cooling tower longevity. Hot dip galvanized
after fabrication tower panels are a prudent investment in
the life of your cooling tower.
Reliable Year-Round Operation
The IMC series cooling tower is well suited for winter operation. The induced draft counterflow design encases the wet
fill section, isolating it from freezing winds. This inhibits ice
formation in the fill and minimizes performance degradation. It all but eliminates fill collapse. The basin’s internal
bracing minimizes splashing that can cause inlet louver
freezing.
Competitive crossflow designs have a tendency to form ice
along the inlet louvers and fill during cold weather operation. The buildup of ice reduces the unit’s thermal capacity
and can cause costly damage to the fill and louvers.
Imeco's pressurized spray system allows customization
of our towers for use in Free Cooling Systems. The spray
pattern can be tailored for a specific climatic condition or is
capable of a large variation in flow rates needed for seasonal changes. Please contact your local Imeco representative for your specific application.
®
420.10-SED1 (JUN 07)
Page 4
COOLING TOWERS
Low Air Intake and Vertical Air Discharge
The low air intake and vertical discharge of the IMC series
reduces the chances of air recirculation because the warm,
humid discharge air is directed away from the unit’s inlet.
The distance between inlet and discharge on an IMC is
greater than for a comparable crossflow tower. This distance further minimizes the potential for performance problems associated with discharge air recirculation.
discharge air and allows only 0.002% of the recirculating
water to carry over. In areas where minimal water carryover
is critical, Imeco offers an optional system that has a drift
rate of 0.001%.
®
The standard drift eliminator material is polyvinyl chloride
(PVC). This is an inert plastic and is corrosion resistant to
cooling tower environments and water treatments. For applications in very hot climates such as a desert, the optional
high-temperature (HPVC) eliminators can be used.
The drift eliminator sections are easily removable for
inspection of the water distribution system and fill section.
Cooling Tower Fill
The IMC series uses a heavy-duty fill constructed from
an inert plastic material. The fill is designed to produce
multiple surfaces for water filming to occur and provide a
highly turbulent mixing environment for the air and water.
This enhances water cooling by maximizing latent and
sensible heat transfer from the water to the air stream. The
fill is constructed from crossfluted sheets bonded together.
This construction produces a strong enough structure that,
with care, can be used as a working platform.
Efficient Drift Eliminators
The IMC series has an extremely efficient and cost effective drift eliminator system. The standard, patented threepass design removes entrained water droplets from the
The standard fill is constructed from PVC and will withstand
continuous water temperatures of 135°F. An optional hightemperature fill is available for temperatures up to 150°F.
The fire-resistant qualities of the fill are excellent. In tests
conducted in accordance with ASTM-E84-81a, its flame
spread rating was 5. The flame spread rating scale ranges
from 0 (noncombustible) to 100 (highly combustible).
COOLING TOWERS
Water Distribution System
Belt Drive System
The water distribution system is constructed from schedule
40 PVC pipe, rubber connection couplings, and polymer
spray nozzles. The piping is easily removable for cleaning.
The IMC 1200 series spray header has a removable cover
plate opposite the inlet connection that allows the main
distribution header to be thoroughly cleaned. The standard
spray nozzles have a minimum opening width of 3/8 inch,
for maximum resistance to clogging.
Aluminum Alloy Sheaves
420.10-SED1 (JUN 07)
Page 5
The drive system sheaves that are located inside the cooling tower are constructed of a corrosion resistant aluminum
alloy. The aluminum sheave is superior to steel or cast iron
due to its light weight and corrosion resistance. It is also
superior to competitive nylon sheaves which absorb water
and tend to shrink and crack over time in cooling tower
applications.
The nozzle system provides an even water pattern over
the fill, ensuring optimal thermal performance. The pattern is stable over an extremely wide range of flow rates.
This stable pattern allows IMC series cooling towers to
be customized for Free Cooling or for customer specific
climatic conditions. This system is ideal for cold weather
applications.
Air Circulation System
Corrosion resistant aluminum axial fans are used to circulate air through the IMC series cooling towers. The 1200
series fans are powered by specially built motors that are
VFD (variable frequency drive) ready and have a unique
five-year warranty. The IMC standard fan drive features
optimized banded belts and custom built bearings. An
optional gearbox drive is also available.
Power Bands
The power band belt is a banded multigroove belt constructed from premium quality rubber compounds using
tough synthetic cords. This is the most efficient type of belt
for cooling tower applications. For extended life, the belt
is sized as a minimum, for 150% of the motor nameplate
horsepower.
420.10-SED1 (JUN 07)
Page 6
COOLING TOWERS
Belt Drive System
Fan Motors
IMC 800 Series
The fan motor is VFD ready and totally enclosed fan cooled
(TEFC) with a service factor of 1.15 and suitable for cooling
tower use. The motor is mounted outside of the tower on
a steel frame that is hot dip galvanized after fabrication
for maximum corrosion protection. Motor inspection and
belt adjustment are easily accomplished from the outside.
A removable hood shields the motor and sheave from the
weather.
Multispeed motors and premium efficiency inverter-duty
motors are available to meet your capacity control needs.
IMC 1200 Series
The standard fan motor is totally enclosed with a service
factor of 1.15 built exclusively to Imeco’s specifications for
use in our cooling towers. The motor is VFD ready.
The motor is environmentally sealed to prevent contaminants and moisture from entering the casing. Imeco’s specially designed motor drains and vents ensure that moisture
will be purged from the motor to extend useful life.
Imeco motors are guaranteed for five years mechanically
and electrically in non-VFD applications. When used with
a VFD, the motor is guaranteed for three years electrically
and five years mechanically.
®
Optional multispeed motors suitable for cooling tower applications are offered as an alternative means to meet your
capacity control needs.
Fan Shaft Bearings
IMC 800 Series
The bearing races are specially treated and additional
seals are added for cooling tower application. This provides
a long, trouble-free life.
Lubrication lines are extended to the casing for easy maintenance from outside the tower.
IMC 1200 Series
The fan shaft bearings are flange-mounted, self-aligning
roller bearings with a five-year warranty. The bearing is
specially built to an Imeco specification for use inside a
cooling tower. The flange mount is superior in design to the
standard pillow block for the high thrust loads that occur
with the use of large diameter axial fans. This bearing has
a minimum L10 of 133,500 hours, 78% greater than the
competition.
®
Lubrication lines are extended through the casing for easy
maintenance from outside the tower.
Imeco offers a five-year warranty on its 1200 series fan
shaft bearings.
®
Inlet Louver Design
The air inlet louvers are constructed of corrosion-free PVC.
They have a two-pass design that eliminates splashout and
inhibits algae growth inside the tower basin. This design
also has a low pressure drop, minimizing fan energy consumption.
COOLING TOWERS
420.10-SED1 (JUN 07)
Page 7
Inspection and
Maintenance Accessibility
The basin is open and accessible from ground
level by simply removing a section of inlet louver. There is a depressed section of the basin
designed to accumulate solid impurities. These
impurities are easily flushed out through the drain
with a hose.
A large access door is provided in the fan section
for access to the drift eliminators, fill, spray system, and fan drive components. Optional handrails
on the top of the unit can be provided upon request.
Gearbox Drive System (Optional)
Gearbox
A gearbox designed for use in cooling towers is an option
on all models. The gearbox is coupled to a motor; motor
has a 1.15 service factor. An oil level sight glass is provided
on the outside of the unit for easy inspection.
Heaters and Thermostats (Optional)
Electric immersion heaters are available factory installed in
the basin of the tower. They are sized to maintain a +42°F
pan water temperature with the fans off at several outdoor
ambient temperatures and a 45 mph wind. They are furnished with a NEMA 4 thermostat to cycle the heater on
when required. A NEMA 4 cutoff switch is included to prevent the control from energizing the heater elements unless
they are completely submerged.
The heater power contactors and electric wiring are not
included as standard. (See chart below.)
Heaters and Thermostats
IMC
MODEL
806
809
812
1212
1218
0
4.5
6
7.5
2 @ 6.0
2 @ 7.5
kW
-10
6
7.5
9
2 @ 6.0
2 @ 9.0
-20
6
9
12
2 @ 7.5
2 @ 12
420.10-SED1 (JUN 07)
Page 8
COOLING TOWERS
ENGINEERING DATA
SELECTION PROCEDURE
EXAMPLE
To size and select an IMC cooling tower for any application,
the following information is required:
Design conditions for tower selection:
95°F
Entering water temperature
85°F
Leaving water temperature
78°F
Design wet bulb
700 GPM Design flow rate
•
•
•
•
GPM flow rate of water to be cooled
Water temperature entering the cooling tower
Desired water temperature leaving the cooling tower
Wet bulb temperature at the cooling tower location
STEP 1
Determine the range through which the water is to be
cooled (entering water temperature minus leaving water
temperature).
STEP 2
Determine the approach of the leaving water temperature
to the wet bulb temperature (leaving water temperature
minus the wet bulb temperature).
STEP 3
Refer to the SELECTION FACTOR graph on page 9 and
start with the calculated range from Step 1.
STEP 4
Draw a horizontal line over to the correct approach line that
was calculated in Step 2.
STEP 5
Proceed vertically downward to intersect your design wet
bulb curve.
STEP 6
STEP 1 – Calculate the Range:
95°F
- 85°F
10°F
Entering water temperature
Range
STEP 2 – Calculate the Approach:
85°F
- 78°F
7°F
Design wet bulb
Approach
STEP 3
Enter the graph on page 9 at 10°F range and follow the horizontal line to the intersection of the 7°F approach curve.
STEP 4
Proceed vertically downward to intersect the design 78°F
wet bulb curve.
STEP 5
Next, proceed horizontally left to the selection number
which in this case is equal to 5.
STEP 6
Refer to the unit performance graph on page 10 and find
the intersection of the selection factor 5 and design GPM
of 700.
After intersecting the design wet bulb curve, continue horizontally left and record the selection factor number.
STEP 7
STEP 7
The nominal tower ton number is 247. In the example, an
IMC 812-247-1-10 unit is selected.
Refer to the tower selection graphs on pages 10 through 13
for tower selection. Enter the graph with the selection factor
number on the vertical axis and your design GPM on the
horizontal axis. The selected model is at the intersection
of the two lines. If intersection point falls between models,
select model above intersection point.
NOTE:
As noted in the model number key, the second set of
3 numbers is the nominal ton size of that tower. Imeco
recommends that all possible selections be investigated to ensure that the best model has been selected
for your application. Please don’t hesitate to call your
local representative or Imeco direct for assistance.
®
The system water spray pressure for Imeco Model
IMC Series Open Cooling Towers will vary between 1.5
and 7.5 psig at the water inlet connection. The actual
system water spray pressure will be certified on the
product drawings prepared by Imeco for each order.
For estimating and pump sizing purposes, use 7.5 psig
as the nominal spray pressure.
®
STEP 8
Determine whether this is the appropriate unit for the application in terms of initial and operating costs.
COOLING TOWERS
ENGINEERING DATA
SELECTION FACTOR GRAPH
420.10-SED1 (JUN 07)
Page 9
420.10-SED1 (JUN 07)
Page 10
COOLING TOWERS
ENGINEERING DATA
800 SERIES SINGLE CELL UNIT TOWER SELECTION
Enter the graph with the
selection factor number on the
vertical axis and your design
GPM on the horizontal axis.
The selected model is at the
intersection of the two lines.
If intersection point falls between
models, select model above
intersection point.
COOLING TOWERS
ENGINEERING DATA
420.10-SED1 (JUN 07)
Page 11
800 SERIES DOUBLE CELL UNIT TOWER SELECTION
intersection point.
420.10-SED1 (JUN 07)
Page 12
COOLING TOWERS
ENGINEERING DATA
1212 UNIT TOWER SELECTION
intersection point.
COOLING TOWERS
ENGINEERING DATA
420.10-SED1 (JUN 07)
Page 13
1218 UNIT TOWER SELECTION
intersection point.
420.10-SED1 (JUN 07)
Page 14
COOLING TOWERS
DIMENSIONS
Dimensions — IMC 806
Platform Layout — IMC 806
NOTE: This diagram applies to all of the following Platform Layouts.
Do not use for construction purposes - detailed drawings available on request.
COOLING TOWERS
DIMENSIONS
420.10-SED1 (JUN 07)
Page 15
Dimensions and Platform Layout — IMC 809-1
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COOLING TOWERS
DIMENSIONS
COOLING TOWERS
DIMENSIONS
420.10-SED1 (JUN 07)
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420.10-SED1 (JUN 07)
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COOLING TOWERS
DIMENSIONS
COOLING TOWERS
DIMENSIONS
420.10-SED1 (JUN 07)
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420.10-SED1 (JUN 07)
Page 20
COOLING TOWERS
SPECIFICATIONS
Specifications
IMC 806-1
Motor HP
Total
cfm
Height
(H)
Width
Length
Fill
Height
Water
In
Water
Out
Makeup
Drain
Overflow
IMC 806-080-1-3
(1) 3 HP
24,150
125.500
98.250
71.375
2'
6" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
2,630
4,770
1,770
IMC 806-100-1-5
(1) 5 HP
28,500
125.500
98.250
71.375
2'
6" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
2,630
4,770
1,770
(1) 7.5 HP
32,600
125.500
98.250
71.375
2'
6" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
2,630
4,770
1,770
IMC 806-112-1-5
(1) 5 HP
26,350
131.500
98.250
71.375
2.5'
6" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
2,730
4,870
1,870
IMC 806-125-1-10
(1) 10 HP
34,350
131.500
98.250
71.375
2.5'
6" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
2,730
4,870
1,870
IMC 806-115-1-5
(1) 5 HP
26,350
137.500
98.250
71.375
3'
6" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
2,830
4,970
1,970
IMC 806-130-1-7.5
(1) 7.5 HP
30,100
137.500
98.250
71.375
3'
6" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
2,830
4,970
1,970
IMC 806-136-1-7.5
(1) 7.5 HP
28,000
149.500
98.250
71.375
4'
6" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
3,030
5,170
2,170
IMC 806-145-1-10
(1) 10 HP
30,750
149.500
98.250
71.375
4'
6" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
3,030
5,170
2,170
IMC 806-155-1-15
(1) 15 HP
34,850
149.500
98.250
71.375
4'
6" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
3,030
5,170
2,170
Model #
Motor HP
Total
cfm
Height
(H)
Width
Length
Fill
Height
Water
In
Water
Out
Makeup
Drain
Overflow
IMC 809-140-1-7.5
(1) 7.5 HP
40,550
125.500
98.250
110.375
2'
8" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
3,540
6,960
2,370
IMC 809-156-1-10
(1) 10 HP
44,550
125.500
98.250
110.375
2'
8" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
3,540
6,960
2,370
IMC 809-170-1-10
(1) 10 HP
43,850
131.500
98.250
110.375
2.5'
8" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
3,670
7,100
2,500
IMC 809-190-1-15
(1) 15 HP
50,100
131.500
98.250
110.375
2.5'
8" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
3,670
7,100
2,500
IMC 809-180-1-10
(1) 10 HP
43,500
137.500
98.250
110.375
3'
8" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
3,800
7,230
2,630
IMC 809-206-1-15
(1) 15 HP
49,650
137.500
98.250
110.375
3'
8" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
3,800
7,230
2,630
IMC 809-217-1-15
(1) 15 HP
47,150
149.500
98.250
110.375
4'
8" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
4,060
7,490
2,890
IMC 809-234-1-20
(1) 20 HP
51,350
149.500
98.250
110.375
4'
8" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
4,060
7,490
2,890
Model #
IMC 806-110-1-7.5
Weight (Ib)
Shipping Operating Heaviest
IMC 809-1
Weight (Ib)
IMC 809-2
IMC 809-310-2-10
(2) 10 HP
88,200
131.500
98.250
220.750
2'
(2)8" FLG
(2) 8" PE
(2) 1.250" MPT
(2) 2" FPT (2) 3" MPT
7,080
13,920
2,370
IMC 809-300-2-7.5
(2) 7.5 HP
78,350
137.500
98.250
220.750
2.5'
(2) 8" FLG
(2) 8" PE
(2) 1.250" MPT
(2) 2" FPT (2) 3" MPT
7,340
14,200
2,500
IMC 809-340-2-10
(2) 10 HP
86,800
137.500
98.250
220.750
2.5'
(2) 8" FLG
(2) 8" PE
(2) 1.250" MPT
(2) 2" FPT (2) 3" MPT
7,340
14,200
2,500
IMC 809-380-2-15
(2) 15 HP
99,200
137.500
98.250
220.750
2.5'
(2) 8" FLG
(2) 8" PE
(2) 1.250" MPT
(2) 2" FPT (2) 3" MPT
7,340
14,200
2,500
IMC 809-360-2-10
(2) 10 HP
86,150
143.500
98.250
220.750
3'
(2) 8" FLG
(2) 8" PE
(2) 1.250" MPT
(2) 2" FPT (2) 3" MPT
7,600
14,460
2,630
IMC 809-447-2-20
(2) 20 HP
107,700
143.500
98.250
220.750
3'
(2) 8" FLG
(2) 8" PE
(2) 1.250" MPT
(2) 2" FPT (2) 3" MPT
7,600
14,460
2,630
IMC 809-467-2-20
(2) 20 HP
101,650
155.500
98.250
220.750
4'
(2) 8" FLG
(2) 8" PE
(2) 1.250" MPT
(2) 2" FPT (2) 3" MPT
8,120
14,980
2,890
Model #
Motor HP
Total
cfm
Height
(H)
Width
Length
Fill
Height
Water
In
Water
Out
Makeup
Drain
Overflow
IMC 812-205-1-15
(1) 15 HP
63,900
140.500
98.250
142.750
2'
8" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
4,200
8,680
2,810
IMC 812-200-1-10
(1) 10 HP
53,900
146.500
98.250
142.750
2.5'
8" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
4,370
8,850
2,980
IMC 812-245-1-20
(1) 20 HP
68,450
146.500
98.250
142.750
2.5'
8" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
4,370
8,850
2,980
IMC 812-246-1-15
(1) 15 HP
61,000
152.500
98.250
142.750
3'
8" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
4,540
9,020
3,150
IMC 812-260-1-20
(1) 20 HP
67,500
152.500
98.250
142.750
3'
8" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
4,540
9,020
3,150
IMC 812-247-1-10
(1) 10 HP
53,650
158.500
98.250
142.750
3.5'
8" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
4,710
9,190
3,320
IMC 812-273-1-15
(1) 15 HP
61,000
158.500
98.250
142.750
3.5'
8" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
4,710
9,190
3,320
IMC 812-280-1-15
(1) 15 HP
59,250
164.500
98.250
142.750
4'
8" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
4,880
9,360
3,490
IMC 812-297-1-20
(1) 20 HP
64,800
164.500
98.250
142.750
4'
8" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
4,880
9,360
3,490
IMC 812-317-1-25
(1) 25 HP
69,700
164.500
98.250
142.750
4'
8" FLG
8" PE
1.250" MPT
2" FPT
3" MPT
4,880
9,360
3,490
IMC 812-440-2-20
(2) 20 HP
140,900
146.5
98.25
285.5
2’
(2) 8” FLG
(2) 8” PE
(2) 1.250” MPT
(2) 2” FPT (2) 3” MPT
8,400
17,360
2,810
IMC 812-405-2-10
(2) 10 HP
107,250
152.5
98.25
285.5
2.5’
(2) 8” FLG
(2) 8” PE
(2) 1.250” MPT
(2) 2” FPT (2) 3” MPT
8,740
17,700
2,980
IMC 812-430-2-10
(2) 10 HP
106,300
158.5
98.25
285.5
3’
(2) 8” FLG
(2) 8” PE
(2) 1.250” MPT
(2) 2” FPT (2) 3” MPT
9,080
18,040
3,150
IMC 812-520-2-20
(2) 20 HP
134,350
158.5
98.25
285.5
3’
(2) 8” FLG
(2) 8” PE
(2) 1.250” MPT
(2) 2” FPT (2) 3” MPT
9,080
18,040
3,150
IMC 812-590-2-20
(2) 20 HP
132,750
164.5
98.25
285.5
3.5’
(2) 8” FLG
(2) 8” PE
(2) 1.250” MPT
(2) 2” FPT (2) 3” MPT
9,420
18,380
3,320
IMC 812-600-2-20
(2) 20 HP
128,950
170.5
98.25
285.5
4’
(2) 8” FLG
(2) 8” PE
(2) 1.250” MPT
(2) 2” FPT (2) 3” MPT
9,760
18,720
3,490
IMC 812-632-2-25
(2) 25 HP
138,700
170.5
98.25
285.5
4’
(2) 8” FLG
(2) 8” PE
(2) 1.250” MPT
(2) 2” FPT (2) 3” MPT
9,760
18,720
3,490
IMC 812-1
Weight (Ib)
IMC 812-2
COOLING TOWERS
SPECIFICATIONS
420.10-SED1 (JUN 07)
Page 21
IMC 1212-1
Model #
Motor HP
Total
cfm
Height
(H)
Width
Length
Fill
Height
Water
In
Water
Out
Makeup
Drain
Overflow
Weight (Ib)
IMC 1212-265-1-15
(1) 15 HP
85,300
178.500
142.000
142.000
2'
8" FLG
8" PE
2" MPT
3" MPT
3" MPT
5,340
14,590
3,290
IMC 1212-290-1-20
(1) 20 HP
94,600
178.500
142.000
142.000
2'
8" FLG
8" PE
2" MPT
3" MPT
3" MPT
5,340
14,590
3,290
IMC 1212-305-1-25
(1) 25 HP
102,500
178.500
142.000
142.000
2'
8" FLG
8" PE
2" MPT
3" MPT
3" MPT
5,340
14,590
3,290
IMC 1212-325-1-30
(1) 30 HP
108,850
178.500
142.000
142.000
2'
8" FLG
8" PE
2" MPT
3" MPT
3" MPT
5,340
14,590
3,290
IMC 1212-345-1-20
(1) 20 HP
90,750
190.500
142.000
142.000
3'
8" FLG
8" PE
2" MPT
3" MPT
3" MPT
5,740
16,190
3,690
IMC 1212-360-1-25
(1) 25 HP
97,700
190.500
142.000
142.000
3'
8" FLG
8" PE
2" MPT
3" MPT
3" MPT
5,740
16,190
3,690
IMC 1212-438-1-25
(1) 25 HP
92,350
202.500
142.000
142.000
4'
8" FLG
8" PE
2" MPT
3" MPT
3" MPT
6,140
16,590
4,090
IMC 1212-457-1-30
(1) 30 HP
97,750
202.500
142.000
142.000
4'
8" FLG
8" PE
2" MPT
3" MPT
3" MPT
6,140
16,590
4,090
IMC 1212-580-2-20
(2) 20 HP
188,250
190.500
142.000
288.000
2'
(2) 8" FLG
(2) 8" PE
(2) 2" MPT
(2) 3" MPT (2) 3" MPT
10,680
29,180
3,290
IMC 1212-610-2-25
(2) 25 HP
204,000
190.500
142.000
288.000
2'
(2) 8" FLG
(2) 8" PE
(2) 2" MPT
(2) 3" MPT (2) 3" MPT
10,680
29,180
3,290
IMC 1212-685-2-20
(2) 20 HP
180,600
202.500
142.000
288.000
3'
(2) 8" FLG
(2) 8" PE
(2) 2" MPT
(2) 3" MPT (2) 3" MPT
11,480
32,380
3,690
IMC 1212-720-2-25
(2) 25 HP
194,400
202.500
142.000
288.000
3'
(2) 8" FLG
(2) 8" PE
(2) 2" MPT
(2) 3" MPT (2) 3" MPT
11,480
32,380
3,690
IMC 1212-760-2-30
(2) 30 HP
205,350
202.500
142.000
288.000
3'
(2) 8" FLG
(2) 8" PE
(2) 2" MPT
(2) 3" MPT (2) 3" MPT
11,480
32,380
3,690
IMC 1212-870-2-25
(2) 25 HP
183,800
214.500
142.000
288.000
4'
(2) 8" FLG
(2) 8" PE
(2) 2" MPT
(2) 3" MPT (2) 3" MPT
12,280
33,180
4,090
IMC 1212-927-2-30
(2) 30 HP
194,500
214.500
142.000
288.000
4'
(2) 8" FLG
(2) 8" PE
(2) 2" MPT
(2) 3" MPT (2) 3" MPT
12,280
33,180
4,090
Model #
Motor HP
Total
cfm
Height
(H)
Width
Length
Fill
Height
Water
In
Water
Out
Makeup
Drain
Overflow
IMC 1218-460-1-25
(1) 25 HP
132,750
178.500
142.000
217.000
2'
10" FLG
10" PE
2" MPT
3" MPT
3" MPT
8,260
21,415
5,110
IMC 1218-485-1-30
(1) 30 HP
140,950
178.500
142.000
217.000
2'
10" FLG
10" PE
2" MPT
3" MPT
3" MPT
8,260
21,415
5,110
IMC 1218-545-1-25
(1) 25 HP
127,200
190.500
142.000
217.000
3'
10" FLG
10" PE
2" MPT
3" MPT
3" MPT
9,130
24,320
5,575
IMC 1218-580-1-30
(1) 30 HP
135,100
190.500
142.000
217.000
3'
10" FLG
10" PE
2" MPT
3" MPT
3" MPT
9,130
24,320
5,575
IMC 1218-630-1-40
(1) 40 HP
148,200
190.500
142.000
217.000
3'
10" FLG
10" PE
2" MPT
3" MPT
3" MPT
9,130
24,320
5,575
IMC 1218-627-1-30
(1) 30 HP
128,800
202.500
142.000
217.000
4'
10" FLG
10" PE
2" MPT
3" MPT
3" MPT
10,000
27,225
6,040
IMC 1218-677-1-40
(1) 40 HP
141,350
202.500
142.000
217.000
4'
10" FLG
10" PE
2" MPT
3" MPT
3" MPT
10,000
27,225
6,040
IMC 1218-717-1-50
(1) 50 HP
151,800
202.500
142.000
217.000
4'
10" FLG
10" PE
2" MPT
3" MPT
3" MPT
10,000
27,225
6,040
IMC 1218-840-2-20
(2) 20 HP
243,450
190.500
142.000
438.000
2'
(2) 10" FLG
(2) 10" PE
(2) 2" MPT
(2) 3" MPT (2) 3" MPT
16,520
42,830
5,110
IMC 1218-910-2-25
(2) 25 HP
265,500
190.500
142.000
438.000
2'
(2) 10" FLG
(2) 10" PE
(2) 2" MPT
(2) 3" MPT (2) 3" MPT
16,520
42,830
5,110
IMC 1218-960-2-30
(2) 30 HP
281,900
190.500
142.000
438.000
2'
(2) 10" FLG
(2) 10" PE
(2) 2" MPT
(2) 3" MPT (2) 3" MPT
16,520
42,830
5,110
IMC 1218-1085-2-25
(2) 25 HP
254,400
202.500
142.000
438.000
3'
(2) 10" FLG
(2) 10" PE
(2) 2" MPT
(2) 3" MPT (2) 3" MPT
18,260
48,640
5,575
IMC 1218-1150-2-30
(2) 30 HP
270,200
202.500
142.000
438.000
3'
(2) 10" FLG
(2) 10" PE
(2) 2" MPT
(2) 3" MPT (2) 3" MPT
18,260
48,640
5,575
IMC 1218-1255-2-40
(2) 40 HP
296,400
202.500
142.000
438.000
3'
(2) 10" FLG
(2) 10" PE
(2) 2" MPT
(2) 3" MPT (2) 3" MPT
18,260
48,640
5,575
IMC 1218-1250-2-30
(2) 30 HP
257,600
214.500
142.000
438.000
4'
(2) 10" FLG
(2) 10" PE
(2) 2" MPT
(2) 3" MPT (2) 3" MPT
20,000
54,450
6,040
IMC 1218-1342-2-40
(2) 40 HP
282,700
214.500
142.000
438.000
4'
(2) 10" FLG
(2) 10" PE
(2) 2" MPT
(2) 3" MPT (2) 3" MPT
20,000
54,450
6,040
IMC 1218-1427-2-50
(2) 50 HP
303,600
214.500
142.000
438.000
4'
(2) 10" FLG
(2) 10" PE
(2) 2" MPT
(2) 3" MPT (2) 3" MPT
20,000
54,450
6,040
IMC 1218-1370-3-25
(3) 25 HP
394,250
190.500
142.000
659.000
2’
(3) 10” FLG (3) 10” PE
(3) 2” MPT
(3) 3” MPT (3) 3” MPT
24,780
64,245
5,110
IMC 1218-1445-3-30
(3) 30 HP
418,600
190.500
142.000
659.000
2’
(3) 10” FLG (3) 10” PE
(3) 2” MPT
(3) 3” MPT (3) 3” MPT
24,780
64,245
5,110
IMC 1218-1730-3-30
(3) 30 HP
401,250
202.500
142.000
659.000
3’
(3) 10” FLG (3) 10” PE
(3) 2” MPT
(3) 3” MPT (3) 3” MPT
27,390
72,960
5,575
IMC 1218-1885-3-40
(3) 40 HP
440,150
202.500
142.000
659.000
3’
(3) 10” FLG (3) 10” PE
(3) 2” MPT
(3) 3” MPT (3) 3” MPT
27,390
72,960
5,575
IMC 1218-2000-3-40
(3) 40 HP
419,800
214.500
142.000
659.000
4’
(3) 10” FLG (3) 10” PE
(3) 2” MPT
(3) 3” MPT (3) 3” MPT
30,000
81,675
6,040
IMC 1218-2127-3-50
(3) 50 HP
450,850
214.500
142.000
659.000
4’
(3) 10” FLG (3) 10” PE
(3) 2” MPT
(3) 3” MPT (3) 3” MPT
30,000
81,675
6,040
IMC 1218-1750-4-25
(4) 25 HP
523,050
190.500
142.000
880.000
2'
(4) 10" FLG
(4) 10" PE
(4) 2" MPT
(4) 3" MPT (4) 3" MPT
33,040
85,660
5,110
IMC 1218-1955-4-20
(4) 20 HP
466,500
202.500
142.000
880.000
3'
(4) 10" FLG
(4) 10" PE
(4) 2" MPT
(4) 3" MPT (4) 3" MPT
36,520
97,280
5,575
IMC 1218-2100-4-25
(4) 25 HP
501,150
202.500
142.000
880.000
3'
(4) 10" FLG
(4) 10" PE
(4) 2" MPT
(4) 3" MPT (4) 3" MPT
36,520
97,280
5,575
IMC 1218-2215-4-30
(4) 30 HP
532,300
202.500
142.000
880.000
3'
(4) 10" FLG
(4) 10" PE
(4) 2" MPT
(4) 3" MPT (4) 3" MPT
36,520
97,280
5,575
IMC 1218-2410-4-40
(4) 40 HP
583,900
202.500
142.000
880.000
3'
(4) 10" FLG
(4) 10" PE
(4) 2" MPT
(4) 3" MPT (4) 3" MPT
36,520
97,280
5,575
IMC 1218-2587-4-40
(4) 40 HP
556,900
214.500
142.000
880.000
4'
(4) 10" FLG
(4) 10" PE
(4) 2" MPT
(4) 3" MPT (4) 3" MPT
40,000
108,900
6,040
IMC 1218-2750-4-50
(4) 50 HP
598,100
214.500
142.000
880.000
4'
(4) 10" FLG
(4) 10" PE
(4) 2" MPT
(4) 3" MPT (4) 3" MPT
40,000
108,900
6,040
IMC 1212-2
IMC 1218-1
Weight (Ib)
IMC 1218-2
IMC 1218-3
IMC 1218-4
420.10-SED1 (JUN 07)
Page 22
COOLING TOWERS
STANDARD ENGINEERING
SPECIFICATIONS
IMC INDUCED DRAFT COOLING TOWER
Utilizes an induced draft counterflow design, the most efficient design in
cooling towers. All of its major components, wet-deck fill, inlet louvers, axial
fans and motors have been selected and designed to ensure energy efficient
operation.
CAPACITY
The IMC induced draft cooling tower(s) shall have a capacity to cool not
less than _______ GPM to _______ °F at _______ °F wet bulb temperature.
WATER BASIN SECTION
The water basin shall have a sloped bottom design to facilitate cleaning.
Accumulated dirt is washed down during normal operation and is flushed
out to the drain with a hose through any of the removable inlet louver
assemblies. The water basin shall be constructed of steel panels hot dip
galvanized after fabrication. The water basin section is open and easily
accessible by loosening two fasteners on each inlet louver assembly. Air
inlet louvers will be constructed of corrosion resistant polyvinyl chloride
(PVC) with a two-pass design.
FAN SECTION
Fan shall be propeller type, incorporating heavy-duty, adjustable-pitch
aluminum blades. Fans shall be driven with a V-belt system designed for
cooling tower service and are constructed of neoprene with polyester cords.
The belt is sized for 150% of the motor nameplate horsepower. The fan
sheave is constructed of heavy-duty, corrosion-resistant cast aluminum
alloy. The fan shall be mounted on a steel shaft supported by heavy-duty,
self-aligning bearings with a minimum L10 life of 80,000 hours. Fan section
housing is constructed of G-210 mill galvanized steel.
FAN MOTOR
Fan shall be driven by _______ hp, 1800 rpm totally enclosed air over, ball
bearing NEMA “T” frame motor with 1.15 service factor. Motor shall be
suitable for cooling tower duty on ______ volt, _______ phase, _______
hertz electrical service.
COOLING TOWER FILL
Fill shall be a film-type constructed of polyvinyl chloride (PVC) formulated to
withstand water temperatures of 130° F. Fill shall be suspended from hot dip
galvanized after fabrication structural supports that are supported from the
upper tower structure and will be elevated above the floor of the water basin
to facilitate cleaning. Fill section housing is G-210 mill galvanized steel.
DRIFT ELIMINATORS
Constructed of corrosion resistant polyvinyl chloride (PVC). Eliminators will
limit the drift rate to less than .002% of the recirculating water rate.
WATER DISTRIBUTION SYSTEM
The water distribution system tree branches are constructed of corrosion
resistant schedule 40 PVC pipe and are fitted with corrosion resistant,
nonclogging ABS spray nozzles. The ABS spray nozzles create an overlapping spray pattern and optimally distribute the system water over the wetdeck fill.
OPTIONAL FEATURES AND EQUIPMENT
REMOTE SUMP OPERATION
Using a 10" plain end bottom-outlet connection will eliminate the need
for sump strainers, antivortex hood, water makeup connection and water
makeup valve. Please contact the factory for exact location of remote sump
outlet connection.
STAINLESS STEEL CONSTRUCTION
All components of unit with the exception of the fan guard, fan shaft, bearings, bushings, sheaves and water makeup valve are manufactured of
heavy-gauge stainless steel sheeting. Fan guard is furnished hot dip galva-
nized after fabrication. All surfaces of fan shaft, bearings, bushings and motor
sheave are provided with a heavy coat of zinc-rich paint for corrosion protection.
STAINLESS STEEL BASIN
All components of “basin” only are constructed of heavy-gauge stainless steel.
Strainers and antivortex sump hood are included.
FLANGED OUTLET
Factory installed “welded” 150#, forged steel raised face, slip-on pipe flanges on
outlet connections of unit are available.
ELECTRIC WATER MAKEUP
The standard mechanical water makeup valve is a 120-1-60 electric water
makeup solenoid valve. Also included is a 120-1-60 electric water level sensor
mounted in an isolation chamber. All components are factory mounted (wiring
not included).
VIBRATION ISOLATOR RAILS
Isolator rail assemblies with spring isolators are sized for 1" deflection and
100 mph wind load. Assemblies have leveling and hold down adjustments. Rails
are predrilled to bolt to bottom of unit and are also provided with a coat of structural grade primer.
VIBRATION ISOLATORS
Spring type isolators are sized for 1" deflection and 70 mph wind load.
Isolators are 65% to 70% efficient and possess a lateral stiffness greater than .8
times rated stiffness. Isolators provide up to 50% overload capacity and are also
equipped with vertical restraint. Spring housings are hot dip galvanized after fabrication. Isolators are equipped with .25" thick ribbed noise isolation pads. Holes
are provided in isolator base plates to permit attachment to structural beams and/
or foundations. Isolators are also equipped with leveling and adjustment bolts.
Structural beams/rails, which must be installed between isolators and the bottom
of the unit, are not included.
ELECTRIC PAN HEATER
Electric immersion heater, thermostat and low water cutout switch. All
components are NEMA 4 rated. Heater is furnished with stainless steel sheath.
All components (heater, thermostat and low water cutout switch) are factory
mounted. Pan heater contactor and wiring are not included. Heater is available in
all voltages, “single or three phase.” Thermostat and low water cutout switch are
rated for 120-1-60 voltage.
SOLID-STATE VIBRATION CUTOUT SWITCH
One NEMA 4 solid-state vibration cutout switch for each fan motor of unit. Switch
is designed to operate on 120-1-60 voltage. Each switch is furnished with one
trip for alarm or shutdown. Vibration cutout switch(es) is shipped loose with
unit(s) and requires field installation on unit(s).
MECHANICAL VIBRATION CUTOUT SWITCH
One NEMA 4 weatherproof mechanical vibration cutout switch for each fan motor
of unit. Vibration cutout switch is shipped loose with unit(s) and requires field
installation on unit(s).
ALUMINUM ACCESS LADDER
One heavy-gauge aluminum access ladder for each unit access door. Each ladder
is factory assembled to unit prior to shipment to ensure fit. Ladder(s) must ship
loose with the unit and will require field reassembly to unit.
ALUMINUM LADDER AND HANDRAILS
Heavy-gauge aluminum access ladder with an aluminum tubing handrail and knee
rail surrounding top of tower.
FULL HOT DIP GALVANIZED AFTER FABRICATION CASING
Adds Hot Dip Galvanized After Fabrication fill section casing, fan section casing,
and structural componentry.
COOLING TOWERS
Fan
420.10-SED1 (JUN 07)
Page 23
Gearbox Drive System
Fan Shaft Bearings
Power Band Belt
Drift Eliminator
Fan Motor
800 Series
Film Fill
Thermostats & Pan Heater
Inlet Louver
© 2007 Johnson Controls Inc. • ALL RIGHTS RESERVED • Subject to change without notice • Printed in USA - GUI 3C • Supersedes: E200-210 SED (605) • Form 420.10-SED1 (607)
1590 Dutch Road
Dixon, IL 61021
Phone: 815-2898-3859
FAX: 815-288-1665
www.johnsoncontrols.com

IMC Series Imeco Cooling Tower

Transcription

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