John Wood Noritz N-0931M_N-0931M-OD_N-0931M-DV - Manuel (Page 30)

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.
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.