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SiUS281811EA
Field Settings from Outdoor Unit
Part 5 Field Settings and Test Operation
183
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.
Unit stopping
Press the
TEST
button for 5 seconds.
10 seconds to 10 minutes
LED display (H1P~H7P) (
k
:
ON
h
:
OFF
l
:
BLINK)
h h k h h h h
h l h h h h k
Pressure equalizing
Step 1
20 seconds to 2 minutes
10 minutes
3 minutes
15 minutes
h l h h h k h
Cooling start control
Step 2
h l h h h k k
h l h h k k k
Stability waiting operation
Step 3
Refrigerant overcharge judgment
Step 7
•
Stop valve close check
•
Wrong wiring check
•
Piping length check
h l h h k h h
h l h h k h k
h l h h k k h
Judgment function
Step4~6
5 seconds
h l h k h h k
h l h k h k h
Pump down residual operation
Step 8
2 minutes
Standby for restarting
Completion
Step 9
Summary of Contents for SkyAir RZR-TA Series
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