Sanyo ECO-i CHDZR07263 Series Service Manual page 30

11. Solenoid Valve Kit Control
This device connects the solenoid valve kit which is used to switch between indoor unit cooling/heating for 3-WAY
types.
Operation of the except type D solenoid valve kit
Discharge
valve
Stopped OFF
Fan OFF
Thermostat
OFF
OFF
Thermostat
OFF
ON
Thermostat
OFF
Thermostat
ON
Operation of the type D solenoid valve kit
Discharge
valve
Stopped OFF
Fan OFF
Thermostat
OFF
OFF
Thermostat
OFF
ON
Thermostat
OFF
OFF
Thermostat
ON
Intake Balance
valve valve
OFF ON
OFF ON
ON ON
ON ON
ON OFF OFF
ON OFF OFF
Intake Balance
valve valve
OFF ON
OFF ON
ON ON
ON ON
OFF OFF
ON OFF OFF
EP valve (evaporation
temp. control valve)
OFF
OFF
ON
ON
OFF
OFF
EP valve (evaporation
temp. control valve)
OFF
OFF
ON
ON
OFF
OFF
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3-WAY ECO-i SYSTEM
Control Functions
1