29
16.
Dimensions
G
(1 1/4"-2")
(1 1/4"-2")
Unit No.6
Unit No.2
Unit
No.1
System Controller
System Select Connector
Hot Water Pipe
* Do not connect to
the connector.
* Disconnect this
connector
on units 2-6 also
Gas pipe
Cold Water Supply Pipe
Remote Controller
Disconnect this Connector
Disconnect for system controller
17.
Multi-System
A. Installation without a recirculation system
• Insulate or apply heating materials to both the cold water supply piping and the hot water piping to
prevent freezing during cold weather and to prevent heat loss through the piping.
Install one system controller
(SC-201-6M) for every six units.
< inch >
9.1"
5.9"
FLUE COLLAR
LED
AIR INLET
(WATER FILTER)
WIRING THOROUGHWAY
GAS INLET
WATER DRAIN VALVE
(AC120V)
WIRING THOROUGHWAY
COLD WATER INLET
WATER DRAIN VALVE
HOT WATER OUTLET
WATER DRAIN VALVE
CONDENSATE DRAIN
WIRING THOROUGHWAY
WIRING THOROUGHWAY
(AC120V)
(VIEW FROM TOP)
HOT WATER OUTLET(3/4")
CONDENSATE DRAIN(1/2")
WIRING THOROUGHWAY
GAS INLET(3/4")
WIRING THOROUGHWAY
COLD WATER INLET(3/4")
6-0.24 x 0.4" OBLONG HOLE
4- 0.5"
1.4"
2.8"
3.9"
5.5"
6.7"
23.1"
26.2"
0.4"
3.9"
1.6"
1.1"
5.1"
9.4"
1.4"
2.8"
3.9"
5.5"
6.7"
0.4"
HEIGHT OF EACH FITTING
FROM BOTTOM OF CASE
N-0842MC-DV
CONDENSATE DRAIN
0.9"
HOT WATER OUTLET
1.7"
COLD WATER INLET
2.2"
GAS INLET
2.2"
17.7"
448 [17.6"]
464 [18.3"]
5.1"
5.1"
24.2"
WATER DRAIN VALVE
2.4"
4.3"
6.1"
3.9"
8.4"
10.0"
10.4"
13.7"
2.8"
4.7"
5.3"
6.1"
2.8"
3.9"
6-0.24 x 0.4" OBLONG HOLE
4- 0.5"