36-EN
35-EN
– 18 –
Change of lighting time of
fi
lter sign
According to the installation condition, the lighting time
of the
fi
lter sign (Noti
fi
cation of
fi
lter cleaning) can be
changed.
Follow the basic operation procedure
(
1
→
2
→
3
→
4
→
5
→
6
).
y
For the CODE No. in Procedure
3
, specify [01].
y
For the SET DATA in Procedure
4
, select the
SET DATA of
fi
lter sign lighting time from the
following table.
SET DATA
Filter sign lighting time
0000
None
0001
150 H
0002
2500 H (Factory default)
0003
5000 H
0004
10000 H
To secure better effect of
heating
When it is dif
fi
cult to obtain satisfactory heating due
to installation place of the indoor unit or structure of
the room, the detection temperature of heating can be
raised. Also use a circulator, etc. to circulate heat air
near the ceiling.
Follow the basic operation procedure
(
1
→
2
→
3
→
4
→
5
→
6
).
y
For the CODE No. in Procedure
3
, specify [06].
y
For the SET DATA in Procedure
4
, select the
SET DATA of shift value of detection temperature
to be set up from the table below.
SET DATA
Detection temp shift value
0000
No shift
0001
+1°C
0002
+2°C (Factory default)
0003
+3°C
0004
+4°C
0005
+5°C
0006
+6°C
Group control
In a group control, a remote controller can control up
to maximum 8 units.
y
For wiring procedure and wiring method of the
individual line (Identical refrigerant line) system, refer
to “Electric work” in this Manual.
y
Wiring between indoor units in a group is performed
in the following procedure.
Connect the indoor units by connecting the remote
controller inter-unit wires from the remote controller
terminal blocks (A/B) of the indoor unit connected
with a remote controller to the remote controller
terminal blocks (A/B) of the other indoor unit.
(Non-polarity)
y
For address setup, refer to the Installation Manual
attached to the outdoor unit.
Remote controller sensor
The temperature sensor of the indoor unit senses
room temperature usually. Set the remote controller
sensor to sense the temperature around the remote
controller. Select items following the basic operation
procedure (
1
→
2
→
3
→
4
→
5
→
6
).
y
Specify [32] for the CODE No. in Procedure
3
.
y
Select the following data for the SET DATA in
Procedure
4
.
SET DATA
0000
0001
Remote controller
sensor
Not used
(factory default)
Used
When
fl
ashes, the remote controller sensor is
defective.
Select the SET DATA [0000] (not used) or replace the
remote controller.
9
Test run
Before test run
y
Before turning on the circuit breaker, carry out the
following procedure.
1) By using insulation tester (500VM
Ω
), check that
resistance of 1M
Ω
or more exists between the
terminal block L to N and the earth (grounding).
If resistance of less than 1M
Ω
is detected, do not
run the unit.
2) Check the valve of the outdoor unit being opened
fully.
y
To protect the compressor at activation time, leave
power-ON for 12 hours or more for operating.
y
Before starting a test run, be sure to set addresses
following the Installation Manual supplied with the
outdoor unit.
Requirements for turning thermostat OFF
Cooling operation
y
When the outdoor/suction air temperature is lower than or equal to 19°C.
y
When the outdoor/suction air temperature is lower than or equal to 3°C above the set temperature.
Heating operation
y
When the outdoor/suction air temperature is lower than or equal to -10°C
y
When the outdoor/suction air temperature is higher than or equal to 15°C.
y
When the outdoor/suction air temperature is higher than or equal to 3°C above the set temperature.
Execute a test run
y
When a fan operation is to be performed for an
individual indoor unit, turn off the power, short circuit
CN72 on the circuit board, and then turn the power
back on. (Set the operation mode to “fan” to operate
the unit.) When the test run has been performed
using this method, be sure to release the short circuit
of CN72 after the test run is completed.
Operate the unit with the remote controller as usual.
For the procedure of the operation, refer to the
Owner’s Manual attached to the outdoor unit.
A forced test run can be executed in the following
procedure even if the operation stops by thermostat-
OFF.
In order to prevent a serial operation, the forced test
run is released after 60 minutes have passed and
returns to the usual operation.
CAUTION
y
Do not use the forced test run for cases other than
the test run because it applies an excessive load
to the devices.
