En-11
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
Example: “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
0–63
Setting
example
2
IU AD × 10
IU AD × 1
Refrigerant
circuit address
0–99
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
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.
Setting
Setting range
Type of switch
Remote
controller
address
0–15
Setting
example 0
RC AD
Example
If 4 indoor units are connected.
Remote
controller
Indoor unit
Indoor unit
Indoor unit
Indoor unit
RC AD SW
0
RC AD SW
1
RC AD SW
2
RC AD SW
3
RC AD SW
0
1
2
3
4
5
6
7
Address
0
1
2
3
4
5
6
7
RC AD SW
8
9
A
B
C
D
E
F
Address
8
9
10
11
12
13
14
15
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3/14/2012 3:03:54 PM
Summary of Contents for ASUB18RLAV
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