Installation manual

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.

mod. 12 - 18 - 24

mod. 28 - 36 - 48 - 60

mod. 12 - 18 - 24