40
Installation Manual
Multi-System Wiring (Use SC-401-6M)
Unit 2
Units 3-6
Unit 1
Remote Controller Cord
Remote Controller Cord
Remote
Controller
Remote control
terminal block
No.6
90 90
90
90
89
102
PCB
Power
PCB
B5 B5
System Controller
No.5
No.4
No.3
No.2
Remote Control
terminal block
Remote Control
terminal block
Remote Controller Cord
PCB
Power
PCB
PCB
Power
PCB
* The remote controller terminal
location may differ depending
on the unit.
* Connect these to the
remote control terminal
block in each unit
41
Installation Manual
A. Installation without a recirculation system (Using external system controller)
• Insulate or apply heating materials to both the cold water supply piping and the hot water supply piping to prevent
freezing during cold weather and to prevent heat loss through the piping.
Unit 1Unit 2Unit 3Unit 10Unit 11Unit 12
Remote Controller
(1 1/2” - 5”)
Cold water
supply pipe
(1 1/2” - 5”)
......
Hot water
supply pipe
(Standard System)
SBB80RX_P001-P044_E_tonb.indd 40 2017/01/27 8:14:02