Typical Wiring Schematic - Carrier 52M Performance Series Product Data

TYPICAL WIRING SCHEMATIC FOR ENERGY
MANAGEMENT INTERFACE
ROOM 100
B
W
PTAC #1
LEGEND
AWG ó American Wire Gage
B ó Black
PTAC ó Packaged Terminal Air Conditioner
W ó White
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.
24
22
20
18
16
FRONT DESK SWITCH PANEL
ROOM 101
B
W
PTAC #2
MAXIMUM LENGTH (ft)
400
600
900
1500
2000
ROOM N
B
W
PTAC #N
34
FIELD-SUPPLIED
24-V
TRANSFORMER
(SEE NOTE 1)
A07390