Carrier 42PHQ009 - Heat Pump Wiring Diagrams; Minimum Connection Wire Size

GB - 11
42PHW / 42PHQ / 42PHQ...K
ENGLISH
Electrical connection
Terminal box legend, all models
L Live power supply
N Neutral power supply
R Live connection indoor/outdoor unit.
C Neutral connection indoor/outdoor unit.
Y Compressor contact.
O Reversing valve control
W2 Outdoor fan
S Outdoor coil sensor
 Power supply
 Connecting wire, indoor-outdoor units.
 Indoor unit
 Outdoor unit
 Main switch
 Time-delay fuse or circuit breaker
(see outdoor unit installation manual)
Heat pump (42PHQ007,007K, 009, 009K) Heat pump (42PHQ012, 012K, 014, 014K)
Heat pump (42PHQ 018, 018K, 024, 024K)
RCY W 2 SO
RCYLN W 2 SO
NYLN W 2 O
YN
W
2
O


 


 
230V ~ 50Hz
230V ~ 50Hz
2
1
2
2
Minimum connection wire size (mm
2
)
Model L N N Y O W2
42PHW007, 009 2.5 2.5 1.5 1.5 ——
42PHW012, 014 2.5 2.5 2.5 2.5 ——
42PHQ007,007K, 009, 009K 2.5 2.5 1.5 1.5 1.5 1.5
42PHQ012, 012K, 014, 014K 2.5 2.5 2.5 2.5 2.5 2.5
Model R C Y O W2 S
42PHW018, 024 1.5 1.5 1.5 ———
42PHQ018, 018K, 024, 024K 1.5 1.5 1.5 1.5 1.5 1.5
2
1