Noritz NCC300DV - Page 48

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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
System Controller Unit
Remote Controller
(1 1/2” - 5”)
Cold water supply pipe
(1 1/2” - 5”)
......
Hot water supply pipe
(Standard System)