Series
Advanced air conditioning systems
9.3 Electrical Wiring Diagram – Single Phase with Electrical Heating Elements –
Model 260U
HP – High pressure control CC – Compressor contactor
LP – Low pressure control CH1, CH2 – Heaters contactor
ALFA 260U – Room Thermostat TS1, TS2 – Safety thermostat
ALFA 123U – Power switch unit
WS Type 12 15 22 28 36 43 48 54 61 75 85 102 120 144
MAIN POWER Cable
Cross Section Area mm²