Maintenance; Test Run; Check Before Test Run - LG THERMA V Installation Manual

1,MFL68681810,영영 2017. 7. 1. 영영 12:55 Page 82
Check Points, Maintenance and Troubleshooting

Maintenance

To assure best performance of
It is recommended to proceed following check list for once a year.
CAUTION
Turn off the power before proceeding maintenance
No Category
1
2
Water
3
4 Electricity
82 Air-to-Water Heat Pump
, it is required to perform periodical check and maintenance.
Item
• In normal state, the pressure gage (in front of the indoor unit) should
indicate 2.0~2.5 bar.
Water pressure
• If the pressure is less than 0.3 bar, please recharge the water.
• Close the shut-off valves and disassemble strainer. Then wash the
Strainer(Water filter)
strainer to make it clean.
• While disassembling the strainer, be careful for water flood out.
• Open the switch of the safety valve and check if water is flood out
Safety valve
through the drain hose.
• After checking, close the safety valve.
• Look and inspect if there is loosen or defected connection on the
Terminal block wiring
terminal block.
Check Point