13
11-3 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.
11-4 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.
CAUTION
• Always stop the test run using the remote controller to stop
operation.
(4) After finishing the test run, make sure to check drain-
age in the drain pump according to “7. DRAIN PIPING
WORK”.
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 (T1, T2).
“
” 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.
