Troubleshooting
4-4 Samsung Electronics
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Heating Pump Out
ـ Operation for the repair of the Individual outdoor unit, the outdoor unit refrigerant emissions to the indoor part.
ـ Liquid pipe service valve and the gas pipe service valve operation, the operator manually need to close.
ـ Observe low
pressure using View Mode of K4 button if compressor operate.
If low pressure goes down below about 0.2 MPa.g : Immediately lock the gas side service valve, Pump Out operation is shut down.
(Pump out operation shut down : K1 button
once more press or K3 button one time press)
ـ If operation of low pressure goes down below 0.1 MPa.g : Will be stopped automatically for the protection of the compressor.
How to Initiate K1 Tact Switch 3 times~6 times
Compressor 60Hz
Indoor Unit Whole Operation (The set temperature=40°C)
4Way Valve ON (Heating Mode)
Outdoor Fan Maximum air flow
Main EEV Operation side : 700 Step (Stop side : 0 step)
Maximum Operation Time 10 minutes
Prot ection ControlConduct the
discharge temperature, high pressure control. (Low pressure protection control is not carried out)
ఐ Low pressure is outside normal limits : Operation is shut down after gas pipe manually closed.
Etc. Entry after safety start. (Only the corresponding Outdoor Unit operation.)
To
pump out mor e than 2 : Except communication between Out door Unit of relevant set after working for one ,
remainder set makes Pump Out add.
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Cooling Pump Down
ـ Recover the refrigerant of Indoor Unit and Piping to outdoor side.
ـ Liquid pipe service valve and the gas pipe service valve operation, the operator manually need to close.
ـ If the installation of the long pipe : Any refrigerant into the outdoor unit can not be recovered, therefore should use a separate container.
ـ Observe low pressure using View Mode of K4 button if compressor operate.
If low pressure goes down below about 0.2 MPa.g : Immediately lock the gas side service valve
, Pump Out operation is shut down.
(Pump out operation shut down : K1 button once more press or K3 button one time press)
ـ If operation of low pressure goes down below 0.1 MPa.g : Will be stopped automatically for the protection of
the compressor.
How to Initiate K2 Tact Switch 3 times
Compressor Address No .1 Outdoor Unit - 60Hz (Other Outdoor Unit COMP OFF)
Indoor Unit Whole Operation (The set t emperature=3°C)
4Way Valve OFF (Cooling Mode)
Outdoor Fan Maximum air flow
Main EEV Operation side : 2000 Step , Stop side : 2000 step
Maximum Operation Time 30 minutes
Etc. Does not conduct the operation of the special operation, and protection control.
Pressure and temperature is outside normal limits : Operation is shut down after gas pipe manually closed.
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