Daikin SUPER MULTI NX G Series Service Manual

Check SiUS12-928_B
195 Service Diagnosis
7.6 Four Way Valve Performance Check
Check No.13
7.7 Inverter Unit Refrigerant System Check
Check No.14
(R11717)
(R11725)
NO
YES
YES
NO
(Fig. 1)
Voltage at S80
208/230 VAC
ON
Compressor
Time
Turn off the power and turn it on
again.
Disconnect the connector for the
four way valve coil and check the
continuity.
Start heating operation.
* Four-way valve coil
Cooling / dry : No continuity
Heating : Continuity
Replace the outdoor unit
PCB.
Replace the four-way valve
coil.
Replace the four-way valve.
Four-way valve
coil resistance at 1000~2000 W?
S80 voltage at
208/230 VAC with
compressor on? (Fig.
1)
Refrigerant system check
Is the discharge pipe
thermistor disconnected from
the holder?
Check for refrigerant leakage.
See the section on refrigerant
shortage detection.
(R15833)
YES
NO
Reconnect the thermistor.
Replace the refrigerant.

Daikin SUPER MULTI NX G Series Specifications

General

Series	SUPER MULTI NX G Series
Refrigerant	R32
Indoor Unit Dimensions (WxHxD)	Varies by model
Outdoor Unit Dimensions (WxHxD)	Varies by model
Indoor Unit Weight	Varies by model
Outdoor Unit Weight	Varies by model
Air Flow (Indoor Unit)	Varies by model
Energy Efficiency Rating	A+++
Indoor Unit Types	Cassette, Floor-standing
Noise Level	Varies by model
Power Supply	220-240V, 50Hz
Indoor Unit Noise Level	19dB - 49dB
Outdoor Unit Noise Level	45dB - 58dB
Operating Temperature (Heating)	-15°C - 24°C