Samsung AM080KXMDFH/TC - Page 50

Troubleshooting
4-8 Samsung Electronics
■
Heating pump out
• OperationfortherepairoftheIndividualoutdoorunit,theoutdoorunitrefrigerantemissionstotheindoorpart.
• Liquidpipeservicevalveandthegaspipeservicevalveoperation,theoperatormanuallyneedtoclose.
• ObservelowpressureusingViewModeofK4buttonifcompressoroperate.
• Iflowpressuregoesdownbelowabout0.2MPaG:Immediatelylockthegassideservicevalve,PumpOutoperationisshutdown.
• Ifoperationoflowpressuregoesdownbelow0.1MPaG:Willbestoppedautomaticallyfortheprotectionofthecompressor.
How to initiate
Press the K1 tact switch 3 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
Protection control
Conduct the discharge temperature, high pressure control. (Low pressure protection
control is not carried out)
※
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 more than 2 : Except communication between Outdoor Unit of relevant set
after working for one, remainder set makes Pump Out add.
■
Pump down in cooling mode
• RecovertherefrigerantofIndoorUnitandPipingtooutdoorside.
• Liquidpipeservicevalveandthegaspipeservicevalveoperation,theoperatormanuallyneedtoclose.
• Iftheinstallationofthelongpipe:Anyrefrigerantintotheoutdoorunitcannotberecovered,thereforeshoulduseaseparatecon-
tainer.
• ObservelowpressureusingViewModeofK4buttonifcompressoroperate.Iflowpressuregoesdownbelowabout0.2MPaG:
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)
• Ifoperationoflowpressuregoesdownbelow0.1MPaG:Willbestoppedautomaticallyfortheprotectionofthecompressor.
How to initiate
Press the K2 tact switch 3 times
Compressor 60Hz
Indoor unit Whole operation (The set temperature=40°C)
4Way valve OFF (Cooling mode)
Outdoor fan Maximum air ow
Main EEV 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.