Lennox VPB048H4M

20
Figure 15. Typical Power Wiring (VRB Heat Recovery System Shown)
L2 L3L1
L2L1
208/230V 3Ph 60Hz
or 460V 3Ph 60Hz
Power supply
208/230V 1Ph 60Hz
Power supply
Mode Selection Box Indoor Unit
Indoor Unit AHU Control Kit
Dedicated
breaker
Service
Disconnect
L1 L2
L1 L2
Fuse
Service
Disconnect
L1 L2
Fuse
Service
Disconnect
L1 L2
Fuse
Service
Disconnect
L1 L2
Fuse
Outdoor Unit (Main Unit)
L1 L2 L3
Outdoor Unit (Sub1 unit)
L1 L2 L3
Outdoor Unit(Sub2 Unit)
L1 L2 L3
L1 L2 L3
L1 L2 L3
L1 L2 L3
L1 L2 L3
L1 L2 L3
L1 L2 L3
Service
Disconnect
Service
Disconnect
Service
Disconnect
Always follow NEC/CEC and Local Codes.