Carrier Packaged Terminal s & Heat Pumps 52P - Manual (Page 49)

49
FRONT DESK SWITCH PANEL
24-V
TRANSFORMER
(SEE NOTE 1)
PTAC #1 PTAC #2 PTAC #N
ROOM 100 ROOM 101 ROOM N
B W
B W B W
FIELD-SUPPLIED
LEGEND
NOTES:
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 va Transformer
2. Following are recommended wire sizes:
AWG WIRE SIZE NO. MAXIMUM LENGTH (ft)
24 400
22 600
20 900
18 1500
16 2000
Typical Wiring Schematic for Energy Management Kit
AWG — American Wire Gage
B — Black
PTAC — Packaged Terminal Air Conditioner
W
— White