Connection Diagram - Carrier 38MPRA Series Service Manual

CONNECTION DIAGRAM

L1 L2
Indoor
Indoor Unit
Signal
Power Supply
208/230-1-60
Voltage
9K and 12K 230V Indoor Unit
NOTES:
1. Do not use thermostat wire for any connection between the indoor and outdoor units.
2. All connections between the indoor and outdoor units must be as shown. The connections are polarity sensitive and improper wiring will result in
a fault code (E1). Double check the control wiring before applying power to the outside unit.
8
CONNECTING CABLE
OUTDOOR TO INDOOR
GND
S
Ground
High
Fig. 5 —Connection Diagram
Specifications subject to change without notice.
208/230-1-60
FIELD POWER SUPPLY
GND
L1 L2
S
Power to
Indoor
Power Supply
Indoor Unit Signal
High
208/230-1-60
Voltage
9K and 12K 230V Outdoor Unit
L2
L1
Main
208/230-1-60
SG-38MPRA-02