Daikin RXMQ4 5 6PVE, Руководство по обслуживанию

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Si34-603 Test Operation
Test Operation 75
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 controller for
abnormal display and correct it.
Malfunction code
In case of an alarm code displayed on remote controller:
Check on operation

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

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








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
(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 controller 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.