SiENBE34-703
Test Operation
Test Operation
67
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 PC board displays the following.
H3P ON: Normal completion
H2P and H3P ON: Abnormal completion
→
Check the indoor unit remote control for
abnormal display and correct it.
Malfunction code
In case of an alarm code displayed on remote control:
Check on operation
(V3057)
Press and hold the TEST
OPERATION button (BS4) on
outdoor unit PC board for 5
seconds.
The test operation is started automatically.
The following judgements are conducted within 15 minutes(about 30
minutes at the maximum).
2
“Check for wrong wiring”
2
“Check stop valve for not open”
2
“Pipe length automatic judgement”
The following indications are conducted while in test operation.
2
LED lamp on outdoor unit PC board
H2P flickers (test operation)
2
Remote control
Indicates “UNDER CENTRALIZED CONTROL”
on upper right.
Indicates “TEST OPERATION” on lower left.
Malfunction
code
Nonconformity during installation
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 interunit wiring has not be connected
or it has shorted.
Make sure the interunit wiring is correctly attached to terminals
(X2M) F1/F2 (TO IN/D UNIT) on the outdoor unit circuit board.
Содержание VRVIII-S
Страница 1: ...SiENBE34 703 Basic Training Manual R 410A Heat Pump 50Hz Service Manual...
Страница 11: ...Introduction SiENBE34 703 x...
Страница 16: ...SiENBE34 703 Specifications 5 Part 2 Specifications 1 Specifications 6 1 1 Outdoor Units 6 1 2 Indoor Units 8...
Страница 113: ...Field Setting SiENBE34 703 102 Test Operation...
Страница 207: ...Troubleshooting by Indication on the Unified ON OFF Control SiENBE34 703 196 Troubleshooting...
Страница 215: ...Wiring Diagrams SiENBE34 703 204 Appendix 2 3 Indoor Unit FXCQ20 25 32 63M8...
Страница 216: ...SiENBE34 703 Wiring Diagrams Appendix 205 FXCQ40 50 80 125M8V3...
Страница 217: ...Wiring Diagrams SiENBE34 703 206 Appendix FXFQ25 32 40 50 63 80 100 125P7VE...
Страница 218: ...SiENBE34 703 Wiring Diagrams Appendix 207 FXZQ20 25 32 40 50M8V1...
Страница 221: ...Wiring Diagrams SiENBE34 703 210 Appendix FXDQ20 25M8V3...
Страница 222: ...SiENBE34 703 Wiring Diagrams Appendix 211 FXSQ20 25 32 40 50 63 80 100 125M8V3...
Страница 232: ...SiENBE34 703 Option List Appendix 221...
Страница 235: ...Example of Connection SiENBE34 703 224 Appendix...
Страница 241: ...Method of Replacing the Inverter s Power Transistors Modules SiBE34 703 230 Appendix...
Страница 261: ...RXYSQ4 5 6 P7Y1B SiENBE34 703 250 Removal Procedure...