6
8
MAINTENANCE
DSW5: Refrigerant Cycle No. Setting
Setting is required. Setting position before shipment are all
OFF (Refrigerant cycle No. 0)
HP
0
1
2
3
Setting Position
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
4
5
6
7
Setting Position
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
8
9
10
11
Setting Position
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
12
13
14
15
Setting Position
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
ON
1 2 3 4
DSW6: Unit Model Code Setting
No setting is required. This switch is utilized for setting the
model code which corresponds to the indoor unit type.
Indoor Unit Model
DSW6 Setting
RCD
ON
1 2 3 4
DSW7: Fuse Recover
In case of applying high voltage to the
terminal 1,2 of TB1, the fuse on the
PCB1(M) is cut. In such a case, firstly
correct the wiring to TB1 and then turn ON
#1 (as showing beside)
ON
1 2
DSW7: Remote Control Selection
No setting is required. Setting position
before shipment is all OFF
ON
1 2
NOTE:
-
The mark
“
“
indicates position of dips switches.
Figures show setting before shipment or after
selection.
6.
MAINTENANCE
Do not operate the system without the air filter to protect
the indoor unit heat exchanger against being clogged.
Turn OFF the main power switch before taking out the filter.
(The previous operation mode may appear.)
The indication, “FILTER” is shown on the display of the
remote control switch. Take out the air filter according to
the indicated steps for each unit.
6.1.
TAKE OUT THE FILTER
2-Way Cassette Type
1. Open the air inlet grille after pushing the two hinges
toward the arrow mark as shown in the figure below.
2. Take out the air filter from the air inlet grille by
supporting the air grille and lifting the air filter after
detaching the filter from two hinges
6.2.
CLEAN THE FILTER
Clean the air filter according to the following steps:
1. Use a vacuum cleaner or let water flow onto the air filter
for removing the dirt from the air filter.
CAUTION:
Do not use hot water higher than approximately 40
°
C
2. Dry the air filter in the shade after shaking off moisture.
3. Do not use cleaner or other chemicals
6.3.
RESET OF FILTER INDICATION
After cleaning the air filter, press the “RESET” button.
The FILTER indication will disappear and the next filter
cleaning time is set.
Air Inlet Grille
Air Filter
Chain
Hinges
