Model NCC1991 Series Commercial Condensing Water Heater

Model NCC1991 Series Commercial Condensing Water Heater

Model NCC1991 Series
Commercial Condensing Water Heater
Specification Sheet
Job Name _______________________________________________________________________
Location ________________________________________________________________________
Architect/Engineer _______________________________________________________________
Wholesaler ______________________________________________________________________
Contractor ______________________________________________________________________
Model No. _______________________________________________________________________
Gas Type ________________________________________________________________________
No. of Units _____________________ Total BTU/hr Input _________________________________
Flow Rate (GPH) ___________________________________________________________________
Notes
• Standard Input - gas consumption ranges from 16,000 BTUh to
199,900 BTUh
• Compact Design - ANSI Z21.10.3/CSA 4.3 certified design that can
be wall-mounted indoors with a -DV model or installed outdoors
with an -OD model
• Durable Stainless Steel Casing
• Heat Exchanger - manufactured with commercial grade copper,
25% thicker piping than standard models
• Venting Options - available in Outdoor (-OD) or Direct Vent (-DV)
model that can use either Schedule 40 PVC/CPVC
OD Model
DV Model
• Direct Electronic Ignition
• Multi-System Capability - units can be linked together by using
either the optional 2-unit Quick Connect or multi-unit System Controller
for up to 24 units.
• Thermal Efficiency - fully condensing, 94% efficient for use with natural
gas and propane
• Temperature Controls - includes remote thermostat that can
precisely adjust the output temperature from 100°F to 185°F
Model
NCC1991 - _____
OD (Outdoor Vent)
DV (Direct Vent)
Accessories
Horizontal Hood Termination (#PVT-HL)
3” PVC Termination (#VK3-H-PVC)
Birdscreen for 3” PVC/CPVC (#VT3-PVCS)
• Safety Devices - Flame Sensor, Overheat Prevention Device,
Lightning Protection Device, Freeze Protection, Neutralizer Overfill
Birdscreen for 4” PVC/CPVC (#VT4-PVCS)
• Five Year Limited Heat Exchanger Warranty for Commercial Use
Isolation Valves (#IK-WV-200-1)
Condensate Neutralizer (#NC-1)
Pipe Cover (#PC-3S-SUS)
• Five Year Limited Parts Warranty
Quick Connect Cord (#QC-2)
• Approvals - CSA, UPC, NSF, Low NOx Approved by SCAQMD [<14ng/J or 20ppm]
This product complies with California AB 1953 Low Lead Law and section 1417(d)
of the Safe Drinking Water Act
System Controller
LOW-LEAD
CERTIFIED
R
NORITZ AMERICA CORPORATION
11160 Grace Avenue, Fountain Valley, CA 92708 Tel. 1-866-7NORITZ www.noritz.com
SV Conversion Kit (#SV-CK-3)
6-unit (#SC-301-6M)
12-unit (#SC-301-12M)
24-unit (#SC-301-24M)
Dimensions
Ø4.5" (Ø114mm)
Ø3.5" (Ø89mm)
18.4" (468mm)
17.6" (448mm)
10.5" (267mm)
FLUE COLLAR
AIR INLET
4.0" (101mm)
24.4" (619mm)
HOT WATER OUTLET (3/4")
3.9" (98mm)
5.7" (146mm)
14.2" (362mm)
WIRING THROUGHWAY
2.1" (53mm)
WIRING THOROUGHWAY
CONDENSATE DRAIN
WATER DRAIN VALVE
WATER DRAIN VALVE
(WATER FILTER)
HOT WATER OUTLET
WATER DRAIN VALVE
10.0" (255mm)
8.4" (214mm)
BOTTOM VIEW
HEIGHT OF EACH FITTING
FROM BOTTOM OF CASE
COLD WATER INLET
< inch (mm)>
CONDENSATE DRAIN
HOT WATER OUTLET
NCC1991-OD
0.8" (20 mm)
1.7" (44 mm)
NCC1991-DV
0.8" (20 mm)
1.7" (44 mm)
COLD WATER INLET
2.2" (55 mm)
2.2" (55 mm)
GAS INLET
2.2" (56 mm)
2.2" (56 mm)
WIRING THROUGHWAY
(AC120V)
2.8" (71mm)
5.3" (135mm)
6.7" (171mm)
7.0" (177mm)
3.9" (99mm)
2.8" (70mm)
OD Model
(AC120V)
GAS INLET
WIRING THROUGHWAY
(AC120V)
DV Model
6.1" (155mm)
4.3" (109mm)
2.4" (60mm)
Side View
GAS INLET (3/4")
COLD WATER INLET (3/4")
CONDENSATE DRAIN (1/2")
Front View
0.4" (10mm)
5.3" (135mm)
6.7" (171mm)
7.0" (177mm)
Ø4.5" (Ø114mm)
Ø3.5" (Ø89mm)
2.5" (63mm)
2.4" (61mm)
1.1" (29mm)
8.4" (214mm)
3.9" (99mm)
2.8" (70mm)
6.1" (155mm)
4.3" (109mm)
2.4" (60mm)
9.4" (240mm)
5.5" (140mm)
23.1" (586mm)
GAS INLET (3/4")
COLD WATER INLET (3/4")
HOT WATER OUTLET (3/4")
3.9" (98mm)
5.7" (146mm)
14.2" (362mm)
CONDENSATE DRAIN (1/2")
WIRING THROUGHWAYS
OD Model
Flow Rates
Temperature
Rise (°F)
Flow Rate
(GPM)
30
40
45
50
60
70
80
90
100
110
120
130
140
11.1
9.3
8.4
7.4
6.2
5.3
4.6
4.1
3.7
3.4
3.1
2.9
2.7
Pressure Loss
30
Pressure loss [psi]
20
60
Bypass Flow Control Valve Open
Set temperature : 120F or less
(Storage Tank Setting W/ System
Controller : 160 F or less)
25
50
Bypass Flow Control Valve Close
Set temperature : 125F or higher
(Storage Tank Setting W/ System
Controller : 170-185 F)
40
15
30
10
Pressure loss [Ft. of head]
1.6" (40mm)
0.4" (10mm)
(VIEW FROM TOP)
18.4" (468mm)
17.6" (448mm)
5.9" (150mm) 9.2" (234mm)
20
5
0
0.0
10
1.0
2.0
3.0
4.0
5.0
6.0
7.0
Flow rate [GPM]
8.0
9.0
10.0
11.0
0
12.0
Specifications
Model Name
NCC1991-OD
Weight
NCC1991-DV
66 (pounds)
Operating Pressure
68 (pounds)
15 - 150 psi
Gas Supply Pressure
NG: 4.0” - 10.5”
Water Holding Capacity
3/4"
Water Inlet
Connection Hot Water Outlet
Sizes
Gas Inlet
3/4"
3/4"
1/2" Threaded
Condensate Drain
Power
120VAC (60Hz), less than 4 amperes
Supply
NG: 78W LP: 80W Freeze Prevention 223W
Consumption
Outdoor: -4°F
Freeze Protection
Temperature Settings
Default Temperature Options
LP: 8.0” - 14.0”
0.5 Gallon (2 L)
°F Mode
°C Mode
°F Mode
°C Mode
NG: 81W LP: 83W Freeze Prevention 223W
Indoor: -30°F
100-150°F (In 5°F intervals), 160, 170, 185°F (14 Options)
37-48°C (In 1°C intervals), 50-85°C (In 5°C intervals) (20 Options)
120, 135, 140, 185°F (Default is 120°F)
50, 57, 60, 85°C (Default is 50°C)
ut notice.
Rev. 11/13