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PERIODIC INSPECTION
PERIODIC INSPECTION
1. Inspection Items and Intervals
Periodic maintenance and inspection as well as replacement of the parts are required for long-term use of the
Gas Heat Pump (GHP) air conditioner.The table below lists the maintenance and inspection items and replace-
ment parts when the yearly operation hours of a GHP are 3,333 or more hours.
For a GHP, operated for less than 3,333 hours in a year, perform maintenance/inspection and parts replacement
in intervals of 3 years of operation.
No. Item
Maintenance interval :
(running hours)
10,000 h 20,000 h
3 years 6 years
1 Engine Oil Inspection / Refilling △△
2 Oil Filter Inspection / Replacement ●●
3 Spark Plug Replacement ●●
4 Air Filter Element Replacement ●●
5 Compressor Belt Replacement ●●
6 Exhaust Water Drain Filter Inspection / Refilling △△
7 Drain Oil Filter Replacement ●●
8 Engine Coolant Additive Refilling △△
9 Engine Coolant Amount Inspection / Refilling △△
10 Engine Coolant Leakage Inspection △※ △※
11 Engine Oil Leak Inspection △※ △※
12 Exhaust Air Leakage Inspection △※ △※
13 Exhaust Water Drain Hose Inspection △※ △※
14 Fuel Gas Hose Inspection / Replacement △●
15 Fuel Gas Hose Clamp Inspection / Replacement △●
16 Fuel Gas Leak Inspection △△
17 Compressor Inspection △△
18 Refrigerant Leakage Inspection △※ △※
19 Refrigerant and Engine Coolant Line Contact Inspection △△
20 Engine Valve Cleaning ▲※ ▲※
21 Engine Valve Clearance Inspection / Adjustment (8 TON only) △△
22 Oil Level Switch Cleaning / Inspection △△
23 Outdoor Heat Exchanger Compartment Drainage Inspection △△
24 Accumulator Condensed Water Drainage Inspection △△
25 Wiring and Connector Inspection △△
26 Anchor Bolt Inspection △△
27 Engine Startability Inspection △※ △※
28 Engine Mount Replacement (8 TON only) － ●
29 Inspection for Operation Noise △※ △※
30 Inspection of the Number of Engine and Starter on/off Times △△
31 Inspection of the Running Hours and Number of on/off Times of the Compressor △△
32 Outdoor Heat Exchanger Inspection △△
33 Indoor Air Filters Inspection △△
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