
<NRC711-DV>
<NRC711-OD>
11
13.1" (334mm)
13.8" (350mm)
φ3.5" (φ89mm)
φ3.5" (φ89mm)
5.9" (150mm)
4.9" (125m
m)
23.6" (600mm)
AIR INLET
FLUE COLLAR
DISPLAY WINDOW
COLD WATER INLET
WATER DRAIN VALVE
HOT WATER OUTLET
CONDENSATE DRAIN
WIRING THROUGHWAY
GAS INLET
(AC120V)
WATER DRAIN VALVE
WATER DRAIN VALVE
(WATER FILTER)
0.4" (10mm)
0.4" (10mm)
6.7" (170m
m)
1.1" (28mm)
22.3" (567mm)
0.8" (21mm)
3.5" (90mm)
1.2" (31mm)
13.3" (338mm)
2.4" (60mm)
4.7" (120mm)
24.5" (622mm)
0.4" (10mm)
0.4" (10mm)
2.0" (50mm)
4.7" (120mm)
3.5" (90mm)
3.3" (85mm)
3-0.3"×0.6" (6.5×16.5mm) OBLONG HOLE
4-φ0.5" (φ13mm)
2-0.3"×0.5" (6.5×13mm) OBLONG HOLE
4-φ0.5" (φ13mm)
< inch (mm) >
HEIGHT OF EACH FITTING
FROM BOTTOM OF CA
SE
NRC711-DV
CONDENSATE DRAIN
0.8" (20mm)
HOT WATER OUTLET
1.8" (45mm)
COLD WATER INLET
2.3" (58mm)
GAS INLET
2.0" (50mm)
0.8" (21mm)
1.8" (45mm)
3.4" (87mm)
3.8" (97mm)
1.2" (31mm)
3.8" (96mm)
4.1" (103mm)
10.0" (253mm)
1.6" (40mm)
11.7" (297mm)
(VIEW FROM TOP)
GAS INLET(3/4")
WIRING THROUGHWAY
COLD WATER INLET(3/4")
HOT WATER OUTLET(3/4")
CONDENSATE DRAIN(1/2")
0.4" (10mm)
0.4" (10mm)
2.0" (50mm)
4.7" (120mm)
3.3" (85mm)
2-0.3"×0.5" (6.5×13mm) OBLONG HOLE
4-φ0.5" (φ13mm)
21.3" (542mm)
0.4" (10mm)
0.4" (10mm)
19.2" (487mm)
1.2" (31mm)
6.7" (170mm)
1.6" (40mm)
1.1" (27mm)
0.4" (11mm)
5.2" (133mm)
AIR INLET
2.4" (60mm)
4.7" (120mm)
3.5" (90mm)
3-0.3"×0.6" (6.5×16.5mm) OBLONG HOLE
4-φ0.5" (φ13mm)
WATER DRAIN VALVE
HOT WATER OUTLET
CONDENSATE DRAIN
WATER DRAIN VALVE
COLD WATER INLET
WIRING THROUGHWAY
GAS INLET
(AC120V)
WATER DRAIN VALVE
(WATER FILTER)
WIRING THROUGHWAY
DISPLAY WINDOW
AIR INLET
13.8" (350mm)
13.1" (334mm)
8.5" (217mm)
2.2" (56mm)
1.1" (28mm)
20.5" (520mm)
1.1" (28mm)
13.3" (338mm)
< inch (mm) >
HEIGHT OF EACH FITTING
FROM BOTTOM OF CASE
NRC711-OD
CONDENSATE DRAIN
0.8" (20mm)
HOT WATER OUTLET
1.8" (45mm)
COLD WATER INLET
2.3" (58mm)
GAS INLET
2.0" (50mm)
COLD WATER INLET(3/4")
HOT WATER OUTLET(3/4")
0.8" (21mm)
1.8" (45mm)
3.4" (87mm)
3.8" (97mm)
1.2" (31mm)
3.8" (96mm)
4.1" (103mm)
10.0" (253mm)
8.2" (209mm)
1.9" (47mm)
1.6" (40mm)
11.7" (297mm)
(VIEW FROM TOP)
GAS INLET(3/4")
WIRING THROUGHWAY
CONDENSATE DRAIN(1/2")
WIRING THROUGHWAY
Summary of Contents for NRC661-DV
Page 17: ...NR501 OD NR662 OD Thermistor Cold Water Thermistor Hot Water Gas Proportioning Valve 17...
Page 19: ...19 5 Operation Flow Chart Water heating Shutdown procedure Ignition operation NR501 OD...
Page 20: ...Water heating Shutdown procedure Ignition operation 20 NR662 OD...
Page 71: ...located 71...