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9 Stop valves
Be sure that all stop valves are open.
10 Damaged equipment
Check the inside of the unit on damaged components or squeezed pipes.
11 Refrigerant leak
Check the inside of the unit on refrigerant leakage. If there is a re-
frigerant leak, try to repair the leak. If the repair is unsuccessful, call
your local dealer. Do not touch any refrigerant which has leaked out
from refrigerant piping connections. This may result in frostbite.
12 Oil leak
Check the compressor for oil leakage. If there is an oil leak, try to re-
pair the leak. If the repairing is unsuccessful, call your local dealer.
13 Air inlet/outlet
Check that the air inlet and outlet of the unit is not obstructed by
paper sheets, cardboard, or any other material.
14
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Record them on the accessory REQUEST FOR THE INDICATION
label.
And attach the label on the back side of the front panel.
15 Record the installation date.
Record the installation date on the accessory REQUEST FOR
THE INDICATION label.
And attach the label on the back side of the front panel.
15.2. Monitoring function and field settings
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Below relevant Monitoring mode (mode 1) and Field setting mode
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given on how to make a setting. It is advised to check this procedure
before accessing, checking and changing below settings.
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accessed.
Making settings is done via the master outdoor unit.
15.2.1.
Mode 1
Mode 1 can be used to monitor the current situation of the outdoor
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shows whether the unit you check is a master, sub 1 or sub 2 unit
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0=outdoor unit is master unit
1=outdoor unit is sub 1 unit
2=outdoor unit is sub 2 unit
Master, sub 1 and sub 2 indications are relevant in multiple
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outdoor unit is master, sub 1 or sub 2 are decided by the
unit's logic.
The master unit should be used to input field settings in
mode 2.
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1=unit is currently operating under low noise restrictions
0=unit is currently not operating under low noise restric-
tions
Low noise operation reduces the sound generated by the
unit compared to nominal operating conditions.
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Low noise operation can be set in mode 2. There are two
methods to activate low noise operation of the outdoor unit
system.
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the selected low noise level during the selected time frames.
The second method is to enable low noise operation based
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sory is required.
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1=unit is currently operating under power consumption
limitation
0=unit is currently not operating under power consump-
tion limitations
Power consumption limitation reduces the power consump-
tion of the unit compared to nominal operating conditions.
Power consumption limitation can be set in mode 2. There
are two methods to activate power consumption limitation of
the outdoor unit system.
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selected power consumption limitation.
The second method is to enable power consumption
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optional accessory is required.
target parameter position.
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target parameter position.
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It can be convenient to check if the total number of indoor
units which are installed match the total number of indoor
units which are recognized by the system. In case there is a
mismatch, it is advised to check the communication wiring
path between outdoor and indoor units (F1/F2 communica-
tion line).
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It can be convenient to check if the total number of outdoor
units which are installed matches the total number of out-
door units which are recognized by the system. In case there
is a mismatch, it is advised to check the communication
wiring path between outdoor and outdoor units.
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When the latest malfunction codes were reset by accident
on an indoor unit user interface, they can be checked again
through this monitoring settings. For the content or reason
behind the malfunction code see 15.5. Malfunction code
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be consulted in the service manual of this unit.
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about this setting.
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about this setting.
3P362438-5N English
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