Daikin VRV - WII, Service Manual

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Field Setting SiUS30-604
134 Test Operation
3.2.8 Check Operation
To prevent any trouble in the period of installation at site, the system is provided with a test
operation mode enabling check for incorrect wiring, stop valve left in closed, coming out (or
misplacing with suction pipe thermistor) of discharge pipe thermistor and judgment of piping length,
refrigerant overcharging, and learning for the minimum opening degree of motorized valve.
Unit stopping
Press the TEST button for 5 seconds.
10 sec to 10 minutes
LED display (H1P~H7P) ( 8
:
ON 9
:
BLINKING 3
:
OFF)
3383333
3933338
Pressure equalizing
Step 1
3~5 minutes
10 minutes
3 minutes
10 sec. ~ 5 minutes
3933383
Cooling start control Step 2
3933388
3938333
3938338
3383333
3883333
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
•
Refrigerant over change check
•
Piping length check
3933833
3933838
3933883
3933888
Judgment function
Step4~6
CHECK OPERATION FUNCTION
: Normal completion
: Abnormal completion