Field Electrical Connections Matching - Carrier 42QH30-H Service Maintenance Manual

12. FIELD ELECTRICAL CONNECTIONS MATCHING

HEAT PUMP SYSTEM
Note: The mains supply must be connected to the outdoor unit.
OUTDOOR
COIL
SENSOR
LEGEND
Outdoor Unit
Indoor Unit
Main Switch
Time-delay fuse or circuit breaker
Earth
L Live power supply.
N Neutral power supply.
6 Live connection indoor/outdoor unit.
5 Neutral connection indoor/outdoor unit
4 Compressor control.
3 Reversing valve control (Only for heat pump system)
2 Outdoor fan motor control (Only for heat pump system)
1 Earth
12
COOL ONLY SYSTEM