ENGLISH-125
0
3
O
THERS
P
repara
tion
Water supply
system
Ground
heat
Is the internal pressure of the pipe at
1~4kg/cm2, when the ground water
circulation pump is stopped?
Visually check the pressure gauge
What is the value of ground thermal
conductivity?
Check the value of ground thermal
conductivity on ground heat usage
review
Did you check the concentration level
of the anti-freeze among the circulation
water?
Check the Brine concentration
measurement
(Based on the installation manual)
Trial Opera
tiong
Item
Checklist
Check standard
Check result
Outdoor unit
Is the inlet water temperature appropriate?
Check the temperature gauge (Based
on the installation manual)
( ) °C
Is the supplied amount of water flow within the
maximum/minimum range?
Check the standards in the installation
manual
( ) LPM
Is the contact signal input for flow switch normal?
Check with clamp meter
(Check for on/off contact when water
pipe is on/off)
Is there error display on outdoor unit PCB?
Check error
Is there abnormal vibration or noise on outdoor unit
cabinet?
Visual check
Indoor unit
Is there abnormal operation noise on indoor unit?
Check for abnormal noise
Is the cooling/heating discharge temperature of indoor
unit appropriate?
Check for abnormal temperature
Is the blade movement of cassette type indoor unit
appropriate?
Visual check
Is the discharged air volume for duct and indoor unit
appropriate?
Check the temperature
Is there any water leakage on the drain pipe near the
indoor unit?
Visual check
Is there any error display on indoor unit panel?
Check for error
Do you see any gaps or bent part on the panel of the
cassette type indoor unit?
Visual check
Controller
Can you turn on/off the power with the controller?
Visual check
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