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Gree
Notes:
① Check whether the coil is firmly fixed.
② Touch the upper part of the electronic expansion valve and check whether the resetting of the
unit can be clearly felt.
2)
4-way valve: When it is normal, the temperature different between it and the four copper tubes
connecting to the valve is obvious. When the 4-way valve works, obvious sound and vibration
can be heard and felt.
GMV6 HR DC Inverter VRF Units Service Manual
268
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Troubleshooting
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