25
Figure 25. Typical 208/230V Power Wiring
Power(208/230V 1PH 60Hz)
L2L1
QP E
Indoor unit
BA
C
DE
L2L1
QP E
Indoor unit
BA
C
DE
L2L1
QP E
Indoor unit
BA C DE
Power wire between indoor units
J- Box
J- Box
J- Box
Incoming Electrical Supply
L2L1
PQE
Outdoor unit
Incoming Electrical Supply
Figure 26. Typical Communication Wiring
Outdoor unit
(PQE)
Ground cable shield
DO NOT connect to E
18 GA., stranded, 3-conductor, shielded control wire (polarity sensitive).
All shields of shielded cable connect to GROUND terminal, not to E.
Install a terminating resistor at the last indoor unit (terminals P and Q) of the daisy chain.
Typical Wiring Diagram, NEC/CEC and Local Codes apply.
P Q
Refrigerant piping
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