16
English
*1 The FXMQ18 · 24 · 30 · 36PVJU cannot be set to
0.12 inWG.
*2 The FXMQ07 · 09 · 12PVJU cannot be set to
0.44-0.80 inWG.
*3 The FXMQ48PVJU cannot be set to 0.12 inWG
and 0.60-0.80 inWG.
Table 4
CAUTION
Keep in mind that a shortage of airflow quantity or water leakage
will result because the air conditioner will be operated outside
the rated range of airflow quantity if the external static pressure
is wrongly set.
3. Filter Sign Settings
• The remote controller is provided with an LCD that tells
the time of air filter cleaning.
• If the air conditioner is used in places with excessive dust,
change the “SECOND CODE NO.” as shown in Table 5.
The “SECOND CODE NO.” is set to 01 (standard) at fac-
tory set.
Table 5
* Select “No display” under conditions in which the cleaning
display is not required, such as the time of regular mainte-
nance.
12. TEST OPERATION
Refer to the installation manual of the outdoor unit.
• The operation lamp of the remote controller will flash when
an malfunction occurs. Check the malfunction code on the
liquid crystal display to identify the point of trouble. An expla-
nation of malfunction codes and the corresponding trouble is
provided in “CAUTION FOR SERVICING” of the outdoor unit.
If any of the items in Table 7 are displayed, there may be a
problem with the wiring or power, so check the wiring again.
Table 6
Table 7
CAUTION
If interior finish work is continuing on completion of the test
operation of the air conditioner, explain the customer not to
operate the air conditioner until the interior finish work is com-
pleted for the protection of the air conditioner.
Otherwise, substances that will be generated from interior finish
work materials, such as paint and adhesive agents, may con-
taminate the air conditioner.
External Static
Pressure
MODE NO.
FIRST
CODE NO.
SECOND
CODE NO.
0.12 inWG (*1)(*3)
13 (23)
06
01
0.20 inWG
02
0.24 inWG
03
0.28 inWG
04
0.32 inWG
05
0.36 inWG
06
0.40 inWG
07
0.44 inWG (*2)
08
0.48 inWG (*2)
09
0.52 inWG (*2)
10
0.56 inWG (*2)
11
0.60 inWG (*2)(*3)
12
0.64 inWG (*2)(*3)
13
0.72 inWG (*2)(*3)
14
0.80 inWG (*2)(*3)
15
Dirt
Time for
display
MODE
NO.
FIRST
CODE
NO.
SECOND
CODE
NO.
Standard
Approxi-
mately 2500
hours
10 (20)
0
01
Excessive
dust
Approxi-
mately 1250
hours
02
No display (*)
3
Remote controller display
Contents
“A8” lit
Error in power supply voltage to
indoor unit.
“C1” lit
Fan driver PCB of indoor unit
↔
indoor control PCB transmission
error.
“C6” lit
Improper combination of fan driver
PCB of indoor unit or setting failure
in control PCB type.
“U3” lit
Test operation of outdoor unit has
not been finished.
Remote control display
Content
“
” is lit up
• There is a short circuit at the
FORCED OFF terminals (T1, T2)
“U4” is lit up
“UH” is lit up
• The power on the outdoor unit is
off.
• The outdoor unit has not been
wired for power supply.
• Incorrect wiring for the transmis-
sion wiring and / or FORCED OFF
wiring.
No display
• The power on the indoor unit is
off.
• The indoor unit has not been
wired for power supply.
• Incorrect wiring for the remote
controller wiring, the transmission
wiring and / or the FORCED OFF
wiring.
