Daikin FCQ18PVJU Service Manual page 71

SiUS28-902_a
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.
CHECK OPERATION FUNCTION
Unit stopping
Step 1 Pressure equalizing
Step 2 Cooling start control
Step 3 Stability waiting operation
Step4~6
Judgement function
Step 7 Pump down residual operation
Step 8 Standby for restarting
Completion
Test Operation
Press the TEST button (BS4)
for 5 seconds.
10 sec to 10 minutes
20 sec to 2 minutes
10 minutes
• Stop valve close check
• Wrong wiring check
• Piping length check
3 minutes
To 30 seconds
5 minutes
k:
LED display (H1P~H7P) ( ON
hhkhhhh
hlhhhhk
hlhhhkh
hlhhhkk
hlhhkhh
hlhhkhk
hlhhkkh
hlhhkkk
hlhkhhh
hlkhhhh
Field Setting
l: h:
BLINK OFF)
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