30
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
16.
Dimensions
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.
448mm [17.6"]
464mm [18.3"]
615mm [24.2"]
130mm [ 5.1"]
450mm [17.7"]
28mm [1.1"]
130mm [5.1"]
240mm [9.4"]
10mm [0.4"]
586mm [23.1"]
93 [3.7"]
70mm [2.8"]
98mm [3.9"]
99mm [3.9"]
214mm [8.4"]
255mm [10.0"]
264mm [10.4"]
348mm [13.7"]
60mm [2.4"]
109mm [4.3"]
155mm [6.1"]
71mm [2.8"]
120mm [4.7"]
135mm [5.3"]
155mm [6.1"]
36mm [1.4"]
70mm [2.8"]
100mm [3.9"]
140mm [5.5"]
170mm
[6.7"]
36mm [1.4"]
70mm [2.8"]
100mm [3.9"]
140mm [5.5"]
170mm
[6.7"]
6-6mm x 10mm [0.24 x 0.4"]OBLONG HOLE
4- 13mm [ 0.5"]
665mm [26.2"]
40mm [1.6"]
6-6mm x 10mm [0.24 x 0.4"]OBLONG HOLE
4- 13mm [ 0.5"]
10mm [0.4"]
HEIGHT OF EACH FITTING
FROM BOTTOM OF CASE
N-0842MC
CONDENSATE DRAIN
24mm [0.9"]
HOT WATER OUTLET
44mm [1.7"]
COLD WATER INLET
55mm [2.2"]
GAS INLET
56mm [2.2"]
<mm / inch>
AIR INLET
LED
FLUE COLLAR
COLD WATER INLET
GAS INLET
WIRING THOROUGHWAY
HOT WATER OUTLET
WATER DRAIN VALVE
(WATER FILTER)
WATER DRAIN VALVE
WATER DRAIN VALVE
WATER DRAIN VALVE
CONDENSATE DRAIN
WIRING THOROUGHWAY
WIRING THOROUGHWAY
(AC120V)
WIRING THOROUGHWAY
(AC120V)
GAS INLET (3/4")
WIRING THOROUGHWAY
COLD WATER INLET (3/4")
HOT WATER OUTLET (3/4")
CONDENSATE DRAIN (1/2")
WIRING THOROUGHWAY
(VIEW FROM TOP)
AIR INLET