Model NRC98 Series Residential Condensing Tankless Water

Model NRC98 Series Residential Condensing Tankless Water

Model NRC98 Series
Residential Condensing Tankless Water Heater
Specification Sheet
- gas consumption ranges from 16,000 BTUh to
180,000 BTUh
- flow rates from 0.5 gpm up to 9.8 gpm
- ANSI Z21.10.3/CSA 4.3 certified design that can be
wall-mounted indoors or outdoors
- manufactured with commercial grade copper,
25% thicker piping than standard models
- available as an Outdoor (requires no venting) or indoor
Direct Vent (-DV) model which includes special plastic flue adapters that are
compatible with both 3” or 4” Schedule 40 and 80 PVC/CPVC pipe.
The DV model can also be converted to a non-direct vent (SV) model with
the use of a Conversion Kit (#SV-CK-3)
OD Model
DV Model
- two identical units can be linked together by using
the optional Quick Connect Cord (#QC-2) for twice the hot water capacity
NRC98 - ____
- 0.91 (NG) 0.92 (LP)
- fully condensing, 93% efficient for use with natural
OD (Outdoor Vent)
DV (Direct Vent)
gas or propane
- includes remote thermostat that can precisely
adjust the output temperature from 100°F to 140°F with the capability to
display temperatures in both °C and °F
- 6’ power cord is included with -DV models only
- Flame Sensor, Overheat Prevention Device,
Lightning Protection Device, Freeze Protection, Condensate Overfill
Temperature Lockout, High Elevation Adjustment,
Condensate Overflow Monitoring System, Service Reminder Function
Horizontal Hood Termination (#PVT-HL)
3” PVC Termination (#VK3-H-PVC)
Birdscreen for 3” PVC/CPVC (#VT3-PVCS)
Birdscreen for 4” PVC/CPVC (#VT4-PVCS)
Condensate Neutralizer (#NC-1)
Isolation Valves (#IK-WV-200-1)
Pipe Cover (#PC-3S)
Quick Connect Cord (#QC-2)
SV Conversion Kit (#SV-CK-3)** *
(see note below for select models)
- CSA, UPC**, NSF, Low NOx Approved by SCAQMD [<14ng/J or 20ppm]
LOW-LEAD
CERTIFIED
R
* Heat Exchanger warranty is maintained at 12 years or 6500 operational hours, whichever occurs first, when used in a single family dwelling in conjunction with a
controlled recirculation system (an aquastat being the minimum pump control requirement) in accordance with the Installation Manual. Refer to the Noritz Limited
Warranty for complete coverage details
** This product complies with California AB 1953 Low Lead Law and section 1417(d) of the Safe Drinking Water Act
*** SV Conversion Kit will be available for specially marked NRC98-DV models in late 2011.
NORITZ AMERICA CORPORATION
11160 Grace Avenue, Fountain Valley, CA 92708 Tel. 1-866-7NORITZ www.noritz.com
Dimensions
18.3" (464mm)
17.6" (448mm)
Ø 4.5" (114mm)
Ø 3.5" (89.5mm)
FLUE COLLAR
18.3" (464mm)
17.6" (448mm)
10.5" (267mm)
3.9" (99mm)
24.2" (615mm)
HOT WATER OUTLET (3/4")
WIRING THROUGHWAY
(AC120V) -OD Model Only
CONDENSATE DRAIN (1/2")
2.1" (53mm)
23.1" (586mm)
(VIEW FROM TOP)
14.0" (355mm)
12.6" (320mm)
7.0" (179mm)
3.6" (93mm)
GAS INLET (3/4")
WIRING THROUGHWAY
WIRING THROUGHWAY
(AC120V)
COLD WATER INLET (3/4")
2.3" (66mm)
5.4" (137mm)
9.6" (244mm)
SIDE VIEW
FRONT VIEW
WIRING THROUGHWAY
WATER DRAIN VALVE
(WATER FILTER)
HOT WATER OUTLET
WATER DRAIN VALVE
OD Model
WIRING THROUGHWAY
(AC120V)
GAS INLET
CONDENSATE DRAIN
WATER DRAIN VALVE
BOTTOM VIEW
HEIGHT OF EACH FITTING
FROM BOTTOM OF CASE
COLD WATER INLET
< inch (mm)>
CONDENSATE DRAIN
HOT WATER OUTLET
NRC98-OD
0.8" (20 mm)
1.8" (45 mm)
NRC98-DV
0.9" (24 mm)
1.8" (45 mm)
COLD WATER INLET
1.9" (49 mm)
1.9" (49 mm)
GAS INLET
2.2" (56 mm)
2.2" (56 mm)
Flow Rates
Temperature
Rise (°F)
Flow Rate
(GPM)
30
40
45
50
60
70
80
90
100
9.8
8.4
7.5
6.7
5.6
4.8
4.2
3.7
3.4
Pressure Loss
35
30
25
Pressure Loss (psi)
0.4" (10mm)
2.2" (55mm)
4.1" (104mm)
5.6" (142mm)
6.1" (155mm)
5.9" (150mm) 9.1" (232mm)
Ø 4.5" (114mm)
Ø 3.5" (89.5mm)
1.1" (28mm) AIR INLET
6.6" (168mm)
5.9" (149mm)
2.0" (50mm)
9.4" (240mm)
5.5" (140mm)
2.4" (61mm)
2.4" (61mm)
1.6" (40mm)
0.4" (10mm)
20
15
10
5
0
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
Flow Rate (gpm)
Specifications
Model Name
NRC98-OD
NRC98-DV
Weight
57 (pounds)
58 (pounds)
0.5 Gallon (1.8 L)
0.5 Gallon (1.8 L)
3/4"
3/4"
Water Holding Capacity
Water Inlet
Connection
Hot Water Outlet
Sizes
Gas Inlet
3/4"
3/4"
3/4"
1/2"
Condensate Drain
Power
3/4"
NG: 64W LP: 68W Freeze Prevention 203W
C onsump tion
Outdoor: -4°F
Freeze Protection
Temperature Settings
Default Temperature Options
1/2"
120VAC (60Hz), less than 4 amperes
Supply
°F Mode
°C Mode
°F Mode
°C Mode
NG: 73W LP: 78W Fr e e ze Pr e ve nt i on 213W
Indoor: -30°F
100-140°F (In 5°F intervals) (9 Options)
37-48°C (In 1°C intervals), 50, 55, 60°C (In 5°C intervals) (15 Options)
120, 130, 140°F (Default is 120°F)
50, 55, 60°C (Default is 50°C)
ut notice.
Rev. 6/14