Test Operation - Daikin RXYSQ4P8V1B Installation Manual

4 Indication of power consumption limitation setting
x
standard operation (= factory setting)
w
operation
DEMAND
H1P H2P H3P H4P H5P H6P H7P
x x w x x x x

11.4. Test operation

After turning on the power supply, the unit can not be
NOTE
started until the H2P initialisation led goes off
(maximum 12 minutes).
Check the stop valves
Make sure to open the gas and liquid line stop valves.
After installation, perform the test operation.
Unless the test operation is performed, the error code "U3" is
shown on the remote controller and the unit cannot be operated.
Performing the test operation
1 To protect the compressor, make sure to turn on the power
supply 6 hours before starting operation.
2 Set to setting mode 1 (H1P led is off) (refer to
on page 23).
3 Press the button for 5 seconds when the unit is at a
BS4 TEST
standstill. The test operation starts when the H2P led blinks and
the remote controller indicates
(external control).
It may take 10 minutes to bring the state of refrigerant uniform
before the compressor starts, but that is not a malfunction.
The test operation is automatically carried out in cooling mode
during 15~30 minutes.
Depending on the situation, the refrigerant running sound or the
sound of a magnetic solenoid valve may rise during this
operation.
The following items are automatically checked:
- Check for incorrect wiring
- Check if stop valves are open
- Check of refrigerant charge
- Automatic judgement of piping length
NOTE When you want to terminate the test operation,
press the
BS3 RETURN
running for 30 seconds and then stops. During
test operation it is impossible to stop the unit with
the remote controller.
4 After the test operation (maximum 30 minutes), the unit
automatically stops. Check the operation results by the outdoor
unit led indication.
H1P H2P H3P H4P H5P H6P H7P
x x w x x x x
normal
x w x x x x x
abnormal
Indoor units cannot be checked individually. After the
test operation is finished, check the indoor units
individually via the remote controller. This is possible
for VRV and Sky Air indoor units only.
The led indication changes during this operation, but
that is not abnormal.
Please attach the front plate of the outdoor unit in
order to prevent electric shocks.
Installation manual
24
DEMAND
"Setting mode 1"
(test operation) and
button. The unit will keep
5 Measure to be taken when operation finishes abnormally
1. Confirm the error code on the remote controller.
2. Correct what is abnormal.
(See the installation manual and operation manual or
contact your dealer.)
3. After the abnormality is corrected, press the
button and reset the error code.
4. Start the unit again to confirm that the problem is properly
solved.
5. If no error code is indicated on the remote controller, it is
possible to start operation after 5 minutes.
Error codes on the remote controller
Malfunction
Installation error code
The stop valve of
an outdoor unit is
E3
left closed.
The stop valve of
an outdoor unit is
left closed.
E4
Insufficient
F3
refrigerant
Refrigerant
overcharge
E3
F6
Insufficient supply
U2
voltage
The check
operation is not
U3
performed.
No power is
supplied to the
U4
outdoor unit.
Improper type of
indoor units are
UA
connected.
The stop valve of
an outdoor unit is
left closed.
The piping and
wiring of the
UF
specified indoor
unit are not
connected
correctly to the
outdoor unit.
Incorrect
interconnections
between units.
UH
BS3 RETURN
Remedial action
Open the stop valve on both the gas
and liquid side.
Open the stop valve on both the gas
and liquid side.
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.
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.
Check if the supply voltage is supplied
properly.
Perform the check operation.
Check if the power wiring for the
outdoor unit is connected correctly.
Check the type of indoor units that are
currently connected. If they are not
proper, replace them with proper ones.
Open the stop valve on both the gas
and liquid side.
Confirm that the piping and wiring of the
specified indoor unit are connected
correctly to the outdoor unit.
Connect interconnections F1 and F2 of
the connected BP unit correctly to the
outdoor unit's PC board (TO BP UNIT).
Make sure that the communication
with the BP unit is enabled. See
"9.12. Field settings for BP unit" on
page 15.
RXYSQ4~6P8V1B+Y1B
VRVIII-S System air conditioner
4PW68122-1 – 02.2011