Check Operation - Daikin SkyAir RZR-TA Series Service Manual

Field Settings from Outdoor Unit
2.9

Check Operation

To prevent any trouble in the period of installation on 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) or discharge pipe thermistor and judgment of piping length,
refrigerant overcharging, and learning for the minimum opening degree of electronic expansion
valve.
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Unit stopping
Step 1 Pressure equalizing
Step 2 Cooling start control
Step 3 Stability waiting operation
Step4~6 Judgment function
Step 7 Refrigerant overcharge judgment
Step 8 Pump down residual operation
Standby for restarting
Step 9
Completion
LED display (H1P~H7P) (
Press the TEST button for 5 seconds.
10 seconds to 10 minutes
20 seconds to 2 minutes
10 minutes
• Stop valve close check
• Wrong wiring check
• Piping length check
3 minutes
15 minutes
5 seconds
2 minutes
Part 5 Field Settings and Test Operation
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