Carrier 38MGQ Series - Connection Diagrams; Size 18 Connection Diagram; Size 27 Connection Diagram

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CONNECTION DIAGRAMS (CONT)
Fig. 14 - Connection Diagram Size 36
Fig. 15 - Connection Diagram Size 48
Notes:
1. Do not use thermostat wire for any connection between indoor and outdoor units.
2. All connections between indoor and outdoor units must be as shown. The connections are sensitive to polarity and will result in a fault code.