Installation Instructions
Page 6
Refrigerant circuit AU282FHERA Ta one-way valve Tc strainer PMV strainer Te accumulator liquid pipe strainer SV2 outdoor 4-way valve gas pipe strainer oil segregator OP strainer oil return capillary Ts Td compressor LP gas-liquid segregator 图例 connected disconnected Tc2 PMV Ta indoor Tc1 06 4.
Refrigerant circuit AU282FHERA Ta one-way valve Tc strainer PMV strainer Te accumulator liquid pipe strainer SV2 outdoor 4-way valve gas pipe strainer oil segregator OP strainer oil return capillary Ts Td compressor LP gas-liquid segregator 图例 connected disconnected Tc2 PMV Ta indoor Tc1 06 4.
Installation Instructions
Page 65
... motor and capacitor yes Is filter or heat exchanger dirty? no Is discharging temperature no Measure balance pressure and running pressure to see if the refrigerant is high, if SV2 by thermometer too high? yes Conduct leak test. 5.
... motor and capacitor yes Is filter or heat exchanger dirty? no Is discharging temperature no Measure balance pressure and running pressure to see if the refrigerant is high, if SV2 by thermometer too high? yes Conduct leak test. 5.
Installation Instructions
Page 67
no Replace low pressure switch yes If outdoor stop valves of refrigerant? no Replace PCB Is pressure valve detected by pressure gauge lower than 0.05MPa? or lack of gas pipe no Do outdoor fan and PMV work ... open totally Open stop valve yes Is piping twisted or deformed? no Adjust and maintain no and liquid pipe are dirty yes yes Cleaning If refrigerant circuit is leak? 7 . yes Is low side pressure switch activated? Low pressure too low protection Are connectors of CN317pressure switch in good condition? yes Check...
no Replace low pressure switch yes If outdoor stop valves of refrigerant? no Replace PCB Is pressure valve detected by pressure gauge lower than 0.05MPa? or lack of gas pipe no Do outdoor fan and PMV work ... open totally Open stop valve yes Is piping twisted or deformed? no Adjust and maintain no and liquid pipe are dirty yes yes Cleaning If refrigerant circuit is leak? 7 . yes Is low side pressure switch activated? Low pressure too low protection Are connectors of CN317pressure switch in good condition? yes Check...
Installation Instructions
Page 68
...-electrified, check if the failure disappears no Replace power module 11. 8. Then check if the wiring connection is proper, such as if the terminal of refrigerant; Communication with power module failure Check if PCB is electrified with the power module no Check the suction temperature Check the system: if the stop...
...-electrified, check if the failure disappears no Replace power module 11. 8. Then check if the wiring connection is proper, such as if the terminal of refrigerant; Communication with power module failure Check if PCB is electrified with the power module no Check the suction temperature Check the system: if the stop...