Test Operation
SiUS34-907
56
Test Operation
1.1.3 Check Operation
* During check operation, mount front panel to avoid the misjudging.
* Check operation is mandatory for normal unit operation.
(When the check operation is not executed, alarm code "U3" will be displayed.)
On completion of test operation, LED on outdoor unit PCB displays the following.
H3P ON: Normal completion
H2P and H3P ON: Abnormal completion
→
Check the indoor unit remote controller for abnormal display and
correct it.
Malfunction code
In case of an alarm code displayed on remote controller:
Check on operation
⎫
⎪
⎪
⎪
⎪
⎪
⎪
⎪
⎪
⎭
⎧
⎪
⎪
⎪
⎪
⎪
⎪
⎪
⎪
⎩
Press and hold the TEST
OPERATION button (BS4) on
outdoor unit PCB for 5
seconds.
The test operation is started automatically.
The following judgements are conducted within 15 minutes(about 30
minutes at the maximum).
•
“Check for wrong wiring”
•
“Check stop valve for not open”
•
“Pipe length automatic judgement”
The following indications are conducted while in test operation.
•
LED lamp on outdoor unit PCB — H2P flickers (test operation)
•
Remote controller Indicates “UNDER CENTRALIZED CONTROL”
on upper right.
Indicates “TEST OPERATION” on lower left.
Malfunction
code
Installation malfunction
Remedial action
E3
The shutoff valve of an outdoor unit is left
closed.
Open the gas-side shutoff valve and the liquid-side shutoff valve.
Refrigerant overcharge
Recalculate the required amount of refrigerant from the piping length
and correct the refrigerant charge level by recovering any excessive
refrigerant with a refrigerant recovery machine.
E4
The shutoff valve of an outdoor unit is left
closed.
Open the gas-side shutoff valve and the liquid-side shutoff valve.
Insufficient refrigerant
Check if the additional refrigerant charge has been finished correctly.
Recalculate the required amount of refrigerant from the piping length
and add an adequate amount of refrigerant.
F3
Refrigerant overcharge
Recalculate the required amount of refrigerant from the piping length
and correct the refrigerant charge level by recovering any excessive
refrigerant with a refrigerant recovery machine.
The shutoff valve of an outdoor unit is left
closed.
Open the gas-side shutoff valve and the liquid-side shutoff valve.
Insufficient refrigerant
Check if the additional refrigerant charge has been finished correctly.
Recalculate the required amount of refrigerant from the piping length
and add an adequate amount of refrigerant.
F6
Refrigerant overcharge
Recalculate the required amount of refrigerant from the piping length
and correct the refrigerant charge level by recovering any excessive
refrigerant with a refrigerant recovery machine.
U2
Insufficient supply voltage
Check to see if the supply voltage is supplied properly.
U3
If a check operation has not been
performed.
Perform a check operation.
U4
No power is supplied to an outdoor unit.
Turn the power on for the outdoor unit.
UA
If no dedicated indoor unit is being used.
Check the indoor unit. If it is not a dedicated unit, replace the indoor
unit.
UF
The shutoff valve of an outdoor unit is left
closed.
Open the gas-side shutoff valve and the liquid-side shutoff valve.
If the right indoor unit piping and wiring are
not properly connected to the outdoor unit.
Make sure that the right indoor unit piping and wiring are properly
connected to the outdoor unit.
UH
If the indoor unit wiring has not be
connected or it has shorted.
Make sure the indoor unit wiring is correctly attached to terminals
(X2M) F1/F2 (TO IN/D UNIT) on the outdoor unit circuit board.
Summary of Contents for VRV III-S RXYMQ36 48PVJU
Page 1: ...RXYMQ36 48PVJU R 410A Heat Pump 60Hz SiUS34 907...
Page 9: ...SiUS34 907 Safety Considerations viii...
Page 237: ...Wiring Diagrams SiUS34 907 228 Appendix 2 2 Field Wiring RXYMQ36 48PVJU 3D065370...
Page 238: ...SiUS34 907 Wiring Diagrams Appendix 229 2 3 Indoor Unit FXFQ12M 18M 24M 30M 36MVJU 3D042620C...
Page 239: ...Wiring Diagrams SiUS34 907 230 Appendix FXZQ07M 09M 12M 18MVJU 3D059263...
Page 240: ...SiUS34 907 Wiring Diagrams Appendix 231 FXDQ07M 09M 12M 18M 24MVJU 3D050501A...
Page 241: ...Wiring Diagrams SiUS34 907 232 Appendix FXMQ07P 09P 12P 18P 24P 30P 36P 48PVJU 3D065984A...
Page 242: ...SiUS34 907 Wiring Diagrams Appendix 233 FXHQ12M 24M 36MVJU 3D048116A...
Page 243: ...Wiring Diagrams SiUS34 907 234 Appendix FXAQ07M 09M 12M 18M 24MVJU 3D046039D...
Page 244: ...SiUS34 907 Wiring Diagrams Appendix 235 FXLQ12M 18M 24MVJU FXNQ12M 18M 24MVJU 3D045644A...
Page 247: ...Option List SiUS34 907 238 Appendix...
Page 249: ...Example of Connection 240...
Page 263: ...Precautions for New Refrigerant R 410A SiUS34 907 254 Precautions for New Refrigerant R 410A...