68
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.
< mm [inch] >
150mm [5.9"] 234mm [9.2"]
100mm [ 4"]
468mm [18.4"]
448mm [17.6"]
619mm [24.4"]
LED
450mm [17.7"]
586mm [23.1"]
79mn [3.1"]
10mm [0.4"]
240mm [9.4"]
130mm [5.1"]
29mm [1.1"]
10mm [0.4"]
70mm [2.8"]
60mm [2.4"]
109mm [4.3"]
99mm [3.9"]
214mm [8.4"]
135mm [5.3"]
71mm [2.8"]
255mm [10.0"]
155mm [6.1"]
100mm [3.9"]
155mm [6.1"]
264mm [10.4"]
348mm [13.7"]
120mm [4.7"]
(120VAC)
665mm [26.2"]
36mm [1.4"]
70mm [2.8"]
100mm [3.9"]
140mm [5.5"]
36mm [1.4"]
70mm [2.8"]
100mm [3.9"]
140mm [5.5"]
170mm [6.7"]
40mm [1.6"]
4- 13mm [ 0.5"]
6-6 x 10mm [0.24 x 0.4"] OBLONG HOLE
170mm [6.7"]
4- 13mm [ 0.5"]
6-6 x 10mm [0.24 x 0.4"] OBLONG HOLE
HEIGHT OF EACH FITTING FROM BOTTOM OF CASE
NCC199-DV
WATER OUTLET
24mm [0.9"]
HOT WATER OUTLET
44mm [1.7"]
COLD WATER INLET
55mm [2.2"]
GAS INLET
56mm [2.2"]
100mm [ 4"]
AIR INLET
FLUE COLLAR
WIRING THOROUGHWAY
WATER OUTLET
WATER DRAIN VALVE
HOT WATER OUTLET
WATER DRAIN VALVE
COLD WATER INLET
WATER DRAIN VALVE
(WATER FILTER)
WIRING THOROUGHWAY
GAS INLET
WATER DRAIN VALVE
WIRING THOROUGHWAY
(120VAC)
WIRING THOROUGHWAY
WATER OUTLET(1/2")
HOT WATER OUTLET(3/4")
WIRING THOROUGHWAY
GAS INLET(3/4")
WIRING THOROUGHWAY
COLD WATER INLET(3/4")
(VIEW FROM TOP)
