Installation Manual

Installation without a recirculation system (Standard System)
• 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
System Controller
Remote Controlle
r
(1 1/2” - 5”)
Cold water supply pipe
* Size the cold water supply piping to allow for maximum flow rates
of the units.
(1 1/2” - 5”)
......
Remote Controller Cord
Hot water
supply pipe
Remote Controller Cord
NWC-ADAPTER (NAW-1 US)
System diagram
(When twelve units are installed)
13. System design, Gas, and Water piping
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