andrews WHiX49 Installation Manual page 33

16.
Multi System
A. Installation without a recirculation system (Standard System)
Unit 6
Hot Water
Supply Pipe
(1 1/4"-2")
• Insulate or apply heating materials to both the cold water supply piping and the hot water sup-
ply piping to prevent freezing during cold weather and to prevent heat loss through the piping.
Install one system controller (SC-401-6M)
for every six units. Only WHiCX56 series.
Unit 2 Unit 1
System Controller
Remote Controller
Gas Pipe
G
Cold Water Supply Pipe
(1 1/4"-2")
31