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SiUS28-902_a
Field Setting
Test Operation
64
3.3.5 Check Operation
To prevent any trouble in the period of installation at site, the system is provided with a test
operation mode enabling checks for incorrect wiring, stop valve left closed, and automatic
determination of of piping length.
Unit stopping
Press the TEST button (BS4)
for 5 seconds.
10 sec to 10 minutes
LED display (H1P~H7P) (
k
:
ON
l
:
BLINK
h
:
OFF)
hhkhhhh
hlhhhhk
Pressure equalizing
Step 1
20 sec to 2 minutes
10 minutes
To 30 seconds
hlhhhkh
Cooling start control
Step 2
hlhhhkk
hlhhkkk
hlhkhhh
hlkhhhh
Stability waiting operation
Step 3
Pump down residual operation
Step 7
5 minutes
Standby for restarting
Completion
Step 8
•
Stop valve close check
•
Wrong wiring check
•
Piping length check
3 minutes
hlhhkhh
hlhhkhk
hlhhkkh
Judgement function
Step4~6
CHECK OPERATION FUNCTION
Summary of Contents for SkyAir FCQ18PVJU
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Page 44: ...Other Control SiUS28 902_a 37 Function...
Page 81: ...SiUS28 902_a Troubleshooting by Remote Controller Troubleshooting 74...
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