• Though the indoor unit is equipped with the long life filter, it is necessary to periodically clean the filter to
avoid clogging of the filter. Please also explain the set time to the customer.
• The periodical filter cleaning time can be shortened depending on the environment.
Table 5
Contamination
Normal
More contaminated
With indication
No indication*
* Use "No indication" setting when cleaning indication is not necessary such as the case of periodical clean-
ing being carried out.
10-3 SETTING AIR DISCHARGE DIRECTION
• When changing air discharge setting (2-way or 3-way discharge), set the SECOND CODE No. as shown in
the Table 6.
Table 6
Setting
4-way air discharge
3-way air discharge
2-way air discharge
10-4 SETTING FAN SPEED DURING THERMOSTAT OFF
• Set the fan speed according to the using environment after consultation with your customer.
• When the fan speed is changed, explain the set fan speed to your customer.
Table 7
Setting
Fan stops during thermostat
OFF (Cooling · heating)
Fan speed during cooling
thermostat OFF
Fan speed during heating
thermostat OFF
10-5 SETTING INDOOR UNIT NUMBER OF SIMULTANEOUS OPERATION SYSTEM
• When using in simultaneous operation system mode, change the SECOND CODE No. as shown in Table 8.
(SECOND CODE No. is factory set to "01" for pair system.)
• When using in simultaneous operation system mode, refer to "10-6 SIMULTANEOUS OPERATION SYS-
TEM INDIVIDUAL SETTING" section to set master and slave units separately.
Table 8
Setting
Pair system (1 unit)
Simultaneous opera-
tion system (2-unit)
Simultaneous opera-
tion system (3-unit)
English
Filter hours
(long life type)
Approx. 2500 hrs
Approx. 1250 hrs
Mode No.
13 (23)
Normal
Stop
LL (Extra low)
Setting
LL (Extra low)
Setting
Mode No.
11 (21)
FIRST CODE
Mode No.
No.
10 (20)
FIRST CODE No.
1
FIRST CODE
Mode No.
No.
11 (21)
2
12 (22)
6
12 (22)
3
FIRST CODE No.
0
SECOND
CODE No.
01
0
02
01
3
02
SECOND CODE No.
01
02
03
SECOND
CODE No.
01
02
01
02
01
02
SECOND CODE No.
01
02
03
32
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