Panasonic U-4ML4DPQ Manual De Instalación página 20

Refer to the service manual for more details and for other settings.
NOTE When finished, please mark the settings of function C,
D and E in the "Records" part of the label on the
backside of the front plate.
Confirmation of the set mode
The following items can be confirmed by setting mode 1 (H1P
led is off)
Check the led indication in the field marked
1 Indication of the present operation state
x
normal
w
abnormal
c
under preparation or under test operation
H1P H2P H3P H4P H5P H6P H7P
x x w x x x x
2 Indication of COOL/HEAT selection setting
1 When set to COOL/HEAT change-over by each individual outdoor
unit circuit (= factory setting).
2 Indication on master unit when COOL/HEAT change-over is
carried out by outdoor units connected in multiple system-
combination.
3 Indication on slave unit when COOL/HEAT change-over is carried
out by outdoor units connected in multiple system-combination
H1P H2P H3P H4P H5P H6P H7P
x x w x x x x
(*)
1
x x x w x x x
2
x x x x w x x
3
(*) This setting = factory setting.
3 Indication of low noise operation state
x
standard operation (= factory setting)
w
operation
L.N.O.P
H1P H2P H3P H4P H5P H6P H7P
x x w x x x x
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
12.4. Test operation
NOTE After turning on the power supply, the unit can not be
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.
Installation manual
18
.
L.N.O.P
DEMAND
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 "Setting mode 1"
on page 17).
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.
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.
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.
(test operation) and
button. The unit will keep
BS3 RETURN
U-4~6ML4DPQ
Urban Multi air conditioner
4PW29037-1