En-11
Mounting
shaft
Front panel
Bearing
Intake
grille
Knob
Intake
grille
Front panel removal.
(1) Remove intake grille (Refer to the item of intake grille removal.)
(2) Remove 6 screws.
(3) Push the [
▲
] part on the lower part of the body upwards with your thumb of both hands
to detach the 2 hooks, and then pull the front panel forward to remove it.
Front panel
Screws (6 position)
[
▲
] mark
Push
Push
Wall hook
bracket
(4) The front panel is pulled to the front, raising the upper surface, and a front panel is
removed.
Front panel
Piping work can be made easier by laying out, shaping, and temporarily fastening the
connection pipe and connection cable beforehand.
• Open the control box cover.
• Open the switch cover.
Open
Switch cover
Rotary switch
Example: “0”
Rotary switch Ex-
ample: “0”
CAUTION
Use an insulated screwdriver to set the dip switches.
Be careful not to make mistakes for switch settings.
(1) Indoor unit address
Rotary switch (IU AD × 1)....Factory setting “0”
Rotary switch (IU AD × 10)....Factory setting “0”
When connecting multiple indoor units to 1 refrigerant system, set the address at IU
AD SW as shown in the Table A
(2) Refrigerant circuit address
Rotary switch (REF AD × 1)....Factory setting “0”
Rotary switch (REF AD × 10)....Factory setting “0”
In the case of multiple refrigerant systems, set REF AD SW as shown in the Table A
for each refrigerant system.
Set to the same refrigerant circuit address as the outdoor unit.
Setting
Setting range
Type of switch
Indoor unit
address
0 to 63
Setting
example
2
IU AD × 10
IU AD × 1
Refrigerant
circuit address
0 to 99
Setting
example
63
REF AD × 10
REF AD × 1
Table A
Address
Rotary Switch Setting
Address
Rotary Switch Setting
Refrigerant circuit
REF AD SW
Indoor unit
IU AD SW
×
10
×
1
×
10
×
1
0
0
0
0
0
0
1
0
1
1
0
1
2
0
2
2
0
2
3
0
3
3
0
3
4
0
4
4
0
4
5
0
5
5
0
5
6
0
6
6
0
6
7
0
7
7
0
7
8
0
8
8
0
8
9
0
9
9
0
9
10
1
0
10
1
0
11
1
1
11
1
1
12
1
2
12
1
2
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
99
9
9
63
6
3
Do no
t set the indoor unit address (IU AD SW) at 64 to 99. It may result in failure.
(3) Remote controller address
i) 3-wire type
Rotary switch (RC AD SW)....Factory setting “0”
When connecting multiple indoor units to 1 standard wired remote controller, set the
address at RC AD SW in sequence from 0.
9373370147-02_IM.indb 11
9373370147-02_IM.indb 11
1/21/2013 4:10:19 PM
1/21/2013 4:10:19 PM
