Carrier 40GKX036 703-40 Series - Page 12

40 GKX
GB - 11
ENGLISH
Electrical connections
Cooling only
Heat pump
Terminal box legend, all models
Earth
R Live connection indoor/outdoor unit
C Neutral connection indoor/outdoor unit
Y Compressor interlocking contact
O Reversing valve control (HP only)
W2 Outdoor fan signal (HP only)
S1 Outdoor coil sensor (HP only)
S2 Outdoor coil sensor (HP only)
HP = Heat pump
a Interconnecting wire, indoor-outdoor units (field wiring).
A Indoor unit
B Outdoor unit
C Main switch
D Time-delay fuse or circuit breaker (see outdoor unit installation manual)
E Resistor (47 KOhm)
Note:
• Electrical connections to be made by the installer.
AB
E
mod. 12 - 18 - 24
mod. 12 - 18 - 24
mod. 28 - 36 - 48 - 60
mod. 28 - 36 - 48 - 60
mod. 28 - 36 - 48 - 60
mod. 12 - 18 - 24