Daikin GYEQ20AN, Руководство по обслуживанию

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SiAUY361411EA Maintenance
Maintenance / Service Data 224
11
Inspecting the exhaust gas cooler
Part name
Tools/materials Waste cloth
Step Task Remarks
(1) See "Basics" (
page 21 3
)
(2) Check for leaks
1.
Exhaust gas cooler gasket
2.
Exhaust gas cooler body
3.
Check if the exhaust drain water is stained with antifreeze fluid.
Visually check.
12
Inspecting the compressor for refrigerant/refrigerating machine
oil leaks and abnormal noise/vibration
Part name
Tools/materials Waste cloth, soap solution, leak detector
Step Task Remarks
(1) See "Basics" (
page 21 3
)
(2) Check for refrigerant
leaks
1.
Check the flange connecting portions for leaks.
2.
Check the intake/discharge pipe outlets for leaks.
3.
Check each pipe for leaks from joints and pressure containers (such
as welded areas and fusible plugs).
• Use a soap solution or
leak detector.
(3) Check for refrigerating
machine oil leaks
1.
Check the refrigerant circuit for any refrigerating machine oil sticking
to flange connecting portions, pipe joints, or other portions.
2.
Check the compressor's mechanical seals for leaks.
3.
Check if too much refrigerating machine oil has dripped from the
drain tube.
Operating Hours:
0 to 1500 hours: 0.02 L (20 cc)/1500 hours
Over 1500 hours: 0.014 L (14 cc)/1500 hours
Visually check.
(4) Turn ON the power and
open the gas cock
See "Basics" (
page 21 3
)
(5) Start up the engine Run the engine in normal operation mode.
(6) Check for refrigerant
leaks during operation
See step (2). Keep away from rotating
parts and hot parts.
(7) Check for abnormal
noise/vibration
Check for abnormal noise/vibration. Check for squeaking noise,
contact noise, and
excessive vibration
compared to its normal
operation.
(8) Stop the engine Stop the operation.
023330-00E
Drain case
Drain tube