Samsung AG042KSVANH, Service Manual

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□ Trial Operation
▶
After initial installation, stable operation for a certain period of time limited to operation conditions.
Cooling Heating
Method of Entry K2 Tact Switch 2times K1 Tact Switch 2times
Compressor Normal operation, but the maximum frequency limit (differ by model)
Fan and Valves Normally control conduct
Operation time Min : 60 minutes, Max : 10 hours
Etc. ∙ Exceed the maximum operating time at stops and waits.
∙ Protection and control, self-diagnosis is performed.
□ Refrigerant Filling Operation
▶
Operation to filling the refrigerant compressor was fixed at a certain frequency.
Cooling Heating
Method of Entry K2 Tact Switch 1times K1 Tact Switch 1times
Compressor Starting frequency (Mild Start frequency) operation
Fan and Valves Normally control conduct
Maximum Operation time 60minutes
Etc. During the filling operation does not enter the special operation, such as oil recovery, defrost.
□ Vacuum Operation
▶
Operation to facilitate vacuum to open the valve after the Outdoor Unit repair.
□ Discharge mode Operation
▶
Block the Inverter PCB 3-phase relay after connected the power, and through compressor, DC voltage is discharging.
- Discharge Mode Operation Process : Push K2 button 6 times shortly.
- INV1 and INV2 DC voltage during discharge mode are displayed alternately.
- Discharge mode Display (Rotate the three page display, as shown below.)
' ' ' ' ' ' ' ‘
→
DC Link Volt1 ( For example, 120[V] 0 1 2 0 display)
→
DCLinkVolt2 ( For example, 120[V] 0 1 2 0 display)
→
' ' ' ' ' ' ' ‘
→
DC Link Volt1 …
▶
If want operation again after complete discharge mode : Restart after K3 key to Reset or Power Reset.
Method of Entry K1 Tact Switch 7times
Compressor OFF
Fan OFF
4WAY Valve OFF
Valves Open all valves maximum
Etc. If not turn off the vacuum mode, the start of normal operation is prohibited.