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PERIODIC INSPECTION
16) Compressor Inspection
1. When the GHP is stopped, turn the compressor shaft
by hand and check that it turns smoothly.
2. Check the compressor unit for refrigerant or refriger-
ant oil leakage.
3. Touch the compressor heater with your hand to
check if it is warm.
NOTE) Depending on the ambient temperature,
compressor heater may not be electrified.
17) Refrigerant Leakage Inspection
1. Check the refrigerant line and refrigerant line con-
necting points for refrigerant leakage.
2. Check and record the values in the right table with
the monitor mode in the board maintenance func-
tions during operation.
Opening for fuel gas pipe
If there is any problem such as fuel gas leakage or
fuel gas odor during inspection, be sure to fix the
problem.
If there is dirt or leaf soil around the fuel system
parts, be sure to clean up around the fuel system
parts.
Inspection interval Every 3 years (10,000 hours)
Compressor
Compressor heater
Inspection interval Every 3 years (10,000 hours)
Portions prone to leakage
Flexible tubes
Line connecting points
Code No. Items to be checked
41 Refrigerant low pressure
40 Refrigerant high pressure 1
11 Actual engine speed
- Number of connected compressor units
Operating condition
Operate all indoor units with
maximum load
Inspection interval Every 3 years (10,000 hours)
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