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Heat Controller SERVICE MANUAL Packaged Terminal A/C
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SUGGESTIONS:
1. To size transformer, use the following equation:
Quantity of PTAC units x 12 va=Transformer Size (va)
Example: 110 PTAC units x 12 va = 1320 vaTransformer
2. Following are American Wire Gauge recommended sizes:
AWG WIRE SIZE NO. MAXIMUM LENGTH (ft)
24 400
22 600
20 900
18 1500
16 2000