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10-2. Special Control
Control
Operating
mode
Subject indoor units Position of electronic control valve
4-way valve
adjustment control
Reverse cycle
defrost control
Outdoor cycle
defrost control
System refrigerant
oil recovery control
Cooling
Heating
Heating
Cooling/
heating
Cooling
Heating
All indoor units
All indoor units
Stopped
Fan
Thermostat
ON
Thermostat
OFF
Heating
Heating
Stopped
Fan
Thermostat
ON
Thermostat
OFF
All indoor units
All indoor units
Fixed pulse for cooling, according to indoor unit
capacity
250
Cooling control, according to indoor unit capacity
Cooling control, according to indoor unit capacity
Fixed pulse for heating, according to indoor unit
capacity
Heating control, according to indoor unit capacity
However, position is 20 pulses for Type D.
60 pulses
60 pulses
60 pulses
60 pulses
Fixed pulse for cooling, according to indoor unit
capacity
250
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10. Indoor Unit Control of the Electronic Control Valve
W-2WAY ECO-i SYSTEM
Control Functions