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Check Points, Maintenance and Troubleshooting
82
Air-to-Water Heat Pump
To assure best performance of , it is required to perform periodical check and maintenance.
It is recommended to proceed following check list for once a year.
Maintenance
Turn off the power before proceeding maintenance
CAUTION
• In normal state, the pressure gage (in front of the indoor unit) should
indicate 2.0~2.5 bar.
• 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 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
through the drain hose.
• After checking, close the safety valve.
• Look and inspect if there is loosen or defected connection on the
terminal block.
No Category Item Check Point
Water
Electricity
Water pressure
Strainer(Water filter)
Safety valve
Terminal block wiring
1
2
3
4
1,MFL68681810,영영 2017. 7. 1. 영영 12:55 Page 82