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Field Setting
SiUS39-602
108
Test Operation
3.2.6 Setting of Vacuuming Mode
In order to perform vacuuming operation at site, fully open the expansion valves of indoor and
outdoor units and turn on some solenoid valves.
[Operating procedure]
c
With
Setting Mode 2
while the unit stops, set (B) Refrigerant recovery / Vacuuming mode to
ON. The expansion valves of indoor and outdoor units fully open and some of solenoid
valves open.
(H2P blinks to indicate the test operation, and the remote controller displays "Test
Operation" and "under Centralized control", thus prohibiting operation.)
After setting, do not cancel “Setting Mode 2” until completion of Vacuuming operation.
d
Use the vacuum pump to perform vacuuming operation.
e
Press Mode button “BS1” once and reset “Setting Mode 2”.
3.2.7 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
:
BLINK
3
:
OFF)
3383333
3933338
Pressure equalizing
Step 1
20 sec to 2 minutes
10 minutes
3 minutes
5 minutes
3933383
Cooling start control
Step 2
3933388
3933888
3938333
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
Judgement function
Step4~6
CHECK OPERATION FUNCTION
Summary of Contents for REYQ72
Page 35: ...Specifications SiUS39 602 24 Specifications...
Page 121: ...Field Setting SiUS39 602 110 Test Operation...
Page 129: ...Troubleshooting by Remote Controller SiUS39 602 118 Troubleshooting...
Page 225: ...Troubleshooting OP Unified ON OFF Controller SiUS39 602 214 Troubleshooting...
Page 232: ...SiUS39 602 Piping Diagrams Appendix 221 1 3 BS Unit BSVQ36MVJU BSVQ60MVJU 4D045338...
Page 235: ...Wiring Diagrams for Reference SiUS39 602 224 Appendix REYQ144 168 192MTJU C 3D050354A...
Page 240: ...SiUS39 602 Wiring Diagrams for Reference Appendix 229 2 4 BS Unit BSVQ36M 60MVJU 3D045069A...
Page 249: ...Example of Connection R 410A Type SiUS39 602 238 Appendix...
Page 255: ...Method of Replacing The Inverter s Power Transistors and Diode Modules SiUS39 602 244 Appendix...
Page 265: ...Precautions for New Refrigerant R 410A SiUS39 602 254 Precautions for New Refrigerant R 410A...
Page 269: ...SiUS39 602 iv Index...