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(5) Individual start/stop (ON/OFF) individual test operation function
This function is provided to start/stop (ON/OFF) individually each indoor unit connected to the same system by
using switches on the interface board of the header unit.
Set SW01 [16] and set SW02, SW03 to indoor address No. (1 to 128) to be started (Refer to the following
table*) - only the setup indoor unit starts operation.
(In the rotary switches of the indoor unit which operates in a group by the remote controller, the follower unit
cannot be individually started or stopped. In this case, [ - - ] is displayed on 7-segment display [D] on the
interface P.C. board of the header unit.)
<Operation procedure>
Power ON
Set up the operation mode of the remote controller.
(If it is not set up, the operation continues with the
current mode.)
Match the rotary
(7-segment display)
switches on the
[C]
interface P.C.
[
board of the
Address display
header unit to the
of corresponding
following table*.
indoor unit
Push the push-switch SW04 on the same board for 2
seconds or more.
(If pushed continuously for 10 seconds or more, the
operation changes to the individual test operation.)
The indoor unit to be started operates.
Push the push-switch SW05
on the interface P.C. board of
the header unit for 2 seconds
or more.
After test operation, return the display select switches
SW01/SW02/SW03 on the interface P.C. board of the
header unit to [1/1/1].
NOTE) The individual test operation returns to the normal operation after 60 minutes.
• The test run is a forced run that ignores the set temperature. Be sure to stop the test run after work,
paying attention to the room temperature.
• After 60 minutes, the test run will be completed to protect the equipment, and the normal operation
will be started according to the set temperature.
However, if there is no remote controller (using a central controller), please manually stop the test
run after 60 minutes because there are some type of indoor unit that will continue operating test run
even after 60 minutes.
Be sure to turn on power at the indoor side
before power-ON of outdoor unit.
[D]
]
[
]
[ 00] is displayed
for 5 seconds after
operation-ON.
Operation check
If the discharge temperature does not change
though COOL or HEAT has been set up from the
remote controller, misconnection is considered.
(7-segment display)
[C]
[D]
[
]
[
]
Address display
[ 00] is displayed
of corresponding
for 5 seconds after
indoor unit
operation-ON.
If a check code is already displayed with SW01/SW02/SW03
being [1/1/1], return the status to normal one according to
troubleshooting and then execute a test operation.
The unit which is not given with priority by heating
priority control, cooling priority control, and selection
of cooling or heating mode is not operated.
In this case, "
operation ready" or "
mode controlled" is displayed on the remote controller.
Interface P.C. board
(7-segment display)
[C]
[
]
Address display
[ 11] is displayed for 5 seconds after operation-ON.
of corresponding
(For individual test operation, [ FF] is displayed.)
indoor unit
*
SW01
SW02
SW03
16
1 to 16
16
1 to 16
16
1 to 16
16
1 to 16
16
1 to 16
16
1 to 16
16
1 to 16
16
1 to 16
End
- 155 -
operation
Push switch
SW04
SW05
SW06
7-segment
display [C]
SW01
SW02
SW03
Rotary switches
[D]
[
]
Indoor unit address
1
1 to 16
Set number of SW02
2
17 to 32
Set number of SW02 + 16
3
33 to 48
Set number of SW02 + 32
4
49 to 64
Set number of SW02 + 48
5
65 to 80
Set number of SW02 + 64
6
81 to 96
Set number of SW02 + 80
7
97 to 112
Set number of SW02 + 96
8
113 to 128
Set number of SW02 + 112
7-segment
display [D]
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Troubleshooting
