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Is the internal pressure of the pipe at
1~4kg/cm2, when the ground water
circulation pump is stopped?
Water supply
Ground
What is the value of ground thermal
system
heat
conductivity?
Did you check the concentration level
of the anti-freeze among the circulation
water?
Item
Is the inlet water temperature appropriate?
Is the supplied amount of water flow within the
maximum/minimum range?
Outdoor unit
Is the contact signal input for flow switch normal?
Is there error display on outdoor unit PCB?
Is there abnormal vibration or noise on outdoor unit
cabinet?
Is there abnormal operation noise on indoor unit?
Is the cooling/heating discharge temperature of indoor
unit appropriate?
Is the blade movement of cassette type indoor unit
appropriate?
Is the discharged air volume for duct and indoor unit
Indoor unit
appropriate?
Is there any water leakage on the drain pipe near the
indoor unit?
Is there any error display on indoor unit panel?
Do you see any gaps or bent part on the panel of the
cassette type indoor unit?
Controller
Can you turn on/off the power with the controller?
Visually check the pressure gauge
Check the value of ground thermal
conductivity on ground heat usage
review
Check the Brine concentration
measurement
(Based on the installation manual)
Checklist
Check the temperature gauge (Based
on the installation manual)
Check the standards in the installation
manual
Check with clamp meter
(Check for on/off contact when water
pipe is on/off)
Check error
Visual check
Check for abnormal noise
Check for abnormal temperature
Visual check
Check the temperature
Visual check
Check for error
Visual check
Visual check
ENGLISH-125
Check standard
Check result
(
(
) °C
) LPM
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