Haier HB4800VA1M25 User Manual - Page 10

THERMOSTAT WIRING For Thermostat Control Environment-temperature and Air Conditioning open/stop, the wiring diagram as shown diagram 1. Thermostat can be mechanical type or programmable type. Note: Thermostat C : COM. R : AC24V TERMOSTAT Y : COMPRESSOR G O Y R C G : FAN O : 4 -WAY VALUE TO INDOOR For detailed Thermostat, please connect FAN RELAY CONTROL corresponding terminal according to above control specification. OR YL RD BL BL 24V COM O YCR TO OUTDOOR UNIT R,C,Y,O TRANSFORMER For Thermostat only control Air Diagram 1 Conditioning open/stop, hot control Environment temperature, can adopt different power switch show diagram 2. This mode is RUN SWITCH MODE SWITCH Open for heating Close for cooling control the indoor unit & heat pump outdoor unit at the same time no air supply mode. If need select the air supply mode, switch can adopt multi-connect switch or select switch. The detailed infor see the following diagram TO INDOOR FAN RELAY CONTROL RD RD BL BL 24V O YCR COM TO OUTDOOR UNIT R,C,Y,O TRANSFORMER Diagram 2 3. Above diagram: Outdoor Unit Connection Left: Indoor and Outdoor unit power supply Respectively Right: Indoor unit power supply. 1 2 SELECT SWITCH 3 4 5 6 OFF FAN ONLY E. HEAT HEAT PUMP COOLING TO FAN RELAY CONTROL YL RD BL BL OY C R TO OUTDOOR UNIT R,C,Y,O 24V COM TRANSFORMER Diagram 3 10