Johnson Controls MAHP18B21S - Figure 25. Electrical Wiring Connections: Heat Pump and Heat Recovery Systems

PMGB0406B rev.1
51
Heat Pump System
Outdoor
Unit
Switchbox
Outdoor Unit
Power Supply
Indoor Unit
Power Supply
GFCI
Main
Switch
GFCI
Main
Switch
Refer to the “Installation and Maintenance Manual”
for the connected outdoor unit for details of wire,
GFCI and main switch for outdoor unit.
Indoor Unit
with DX-Kit
Indoor Unit
with DX-Kit
Indoor Unit
with DX-Kit
Heat Recovery System
Outdoor Unit
Power Supply
Outdoor
Unit
Change-Over
Box
Indoor Unit
Power Supply
Indoor Unit
with DX-Kit
Indoor Unit
with DX-Kit
Indoor Unit
with DX-Kit
Switchbox
GFCI
Main
Switch
GFCI
Main
Switch
Refer to the “Installation and Maintenance Manual”
for the connected outdoor unit for details of wire,
GFCI and main switch for outdoor unit.
Figure 25. Electrical Wiring Connections: Heat Pump and Heat Recovery Systems
NOTES:
1) Follow local codes and regulations when selecting ¿ eld wires.
2) Select a GFCI with an activation speed of 0.1 sec. or less.
3) Total operating current is less than 12A.
Refer to the air handler manual for the electrical characteristics to select the correct wiring size.
(Ins)DX-Kit4e-rev1.indd51
(Ins)DX-Kit4e-rev1.indd51
2016/11/2515:32:56
2016/11/2515:32:56