Daikin GYEQ20AN, Руководство по обслуживанию

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Flow Charts for Troubleshooting SiAUY361411EA
129 Troubleshooting
2
Unit Runs But Does Not Cool
Flow chart
025862-00EN01
Unit Runs But Does Not Cool
Are You Sure
Failure Bypass Control
Is Not Activated?
Is Compressor
Intake/Discharge Pressure
Normal?
Is the four-way valve
operating normally?
Are the SV3A-3F and SV31
operating normally?
Are Outdoor Unit EVs
and SVs Operating Normally?
Is Recharged Refrigerant
Amount Proper?
Are Indoor Unit Fans
Operating Normally?
Is the wiring between the
outdoor unit/indoor unit/BS unit
operating normally?
Is the piping between the
outdoor unit/indoor unit/BS unit
operating normally?
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
Change Temperature
Set-Point.
Check Failure Bypass
Control Conditions.
See “Standard Operation
Data List.”
Four-way valve/SV inspection
Check EVs and SVs.
Check Recharged
Refrigerant Amount.
Check Indoor Unit Fans.
Check Cables For Defects.
Check Pipes.
YES
YES
NO
Check the external filter.
Is Cooling Set
Temperature Lower
Than Room
Temperature?
Please contact your Daikin
(Yanmar) representative if
you can not find the cause
even after you have checked
all the items down to the
bottom of the flowchart.
Is the external filter free
of defects?