Carrier 38MPRAQ12AA3 - Connection Diagram

8 Specifications subject to change without notice. SG-38MPRA-02
CONNECTION DIAGRAM
Fig. 5 —Connection Diagram
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.
S
L1 L2
208/230-1-60
Main
Power Supply
L1
L2
S
L1
L2
CONNECTING CABLE
OUTDOOR TO INDOOR
Indoor Unit
Power Supply
208/230-1-60
Indoor
Signal
High
Voltage
GND
Ground
Power to
Indoor Unit
Indoor
Signal
High
Voltage
208/230-1-60
FIELD POWER SUPPLY
GND
208/230-1-60
9K and 12K 230V Indoor Unit 9K and 12K 230V Outdoor Unit