Daikin VRV - WII Service Manual page 147

Field Setting
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.
CHECK OPERATION FUNCTION
Unit stopping
Step 1
Pressure equalizing
Step 2 Cooling start control
Step 3 Stability waiting operation
Step4~6
Judgment function
Step 7 Pump down residual operation
Step 8 Standby for restarting
Completion
134
Press the TEST button for 5 seconds.
10 sec to 10 minutes
3~5 minutes
10 minutes
• Stop valve close check
• Wrong wiring check
• Refrigerant over change check
• Piping length check
3 minutes
10 sec. ~ 5 minutes
5 minutes
LED display (H1P~H7P) ( 8:
3383333
3933338
3933383
3933388
3933833
3933838
3933883
3933888
3938333
3938338
3383333
: Normal completion
3883333
: Abnormal completion
SiUS30-604
ON 9: BLINKING 3: OFF)
Test Operation