12 English
•
Input A of forced off and ON/OFF operation work as shown in
the table below.
12-3 SETTING THE FILTER SIGN DISPLAY INTERVAL
•
Explain the following to the customer if the filter dirt settings
have been changed.
•
The filter sign display time is set to 2500 hours
(equivalent to 1 year’s use) when shipped.
•
The settings can be changed to not display.
•
When installing the unit in a place with much dusts, set the fil-
ter sign display time to shorter intervals (1,250 hours).
•
Explain it to the customer that the filter needs to be cleaned
regularly to prevent clogging and also the time that is set.
12-4 SETTINGS FOR SEPARATELY SOLD
ACCESSORIES
•
See the instruction manuals included with separately sold
accessories for the necessary settings.
When using a wireless remote controller
•
A wireless remote controller address needs to be set when
using a wireless remote controller. See the installation man-
ual included with the wireless remote controller for details on
how to make the settings.
(3)
Perform a test run according to the outdoor unit’s
installation manual.
•
The operation lamp of the remote controller will flash
when a malfunction occurs. Check the malfunction code
on the liquid crystal display to identify the point of trouble.
An explanation of malfunction codes and the correspond-
ing trouble is provided in “CAUTION FOR SERVICING”
of the outdoor unit.
If the display shows any of the following, there is a possi-
bility that the wiring was done incorrectly or that the
power is not on, so check again.
•
Always stop the test run using the remote controller to stop
operation.
Forced off
12(22) 1
01
ON/OFF operation
02
Forced off ON/OFF operation
Input A “on” to force a stop
(remote controller reception prohibited)
Unit operated by changing input A from
“off” to “on”
Input A “off” to allow remote controller
Unit stopped by changing input A from “on”
to “off”
Mode No. FIRST CODE NO.
SECOND
CODE NO.
01 02
10 (20)
0 Filter dirt low high
1 (low/high)
Displayed time
(units: hours)
2500/
1250
10000/
5000
3
Filter sign
display
ON OFF
Remote control display Content
“” display
• There is a short circuit at the FORCED
OFF terminals (T
1
, T
2
).
“” display
• The test-run has not been performed.
“” display
“” display
• The power on the outdoor unit is off.
• The outdoor unit has not been wired for
power supply.
• Wiring is incorrect for the transmission
wiring and / or FORCED OFF wiring.
• The transmission wiring is cut.
“” display
• Reversed transmission wiring
No display
• The power on the indoor unit is off.
• The indoor unit has not been wired for
power supply.
• Wiring is incorrect for the remote con-
troller wiring, the transmission wiring
and / or the FORCED OFF wiring.
• The remote controller wiring is cut.
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