En-29
Rotary switch setting
7. 3.
The rotary switch (REF AD) sets the refrigerant circuit address of the outdoor unit. Con
fi
gure the settings only on the
master unit of a refrigerant system.
If multiple refrigerant systems are connected, set the rotary switch (REF AD) as shown in the table below.
Refrigerant
circuit
address
Rotary
Switch Setting
Setting
Setting
range
Type of switch
REF AD
×10
×1
Refrigerant
circuit
address
0–99
Setting
example
63
0
0
0
1
0
1
2
0
2
3
0
3
REF AD × 10
REF AD × 1
4
0
4
Rotary Switch (REF AD×1): Factory setting "0"
Rotary Switch (REF AD×10): Factory setting "0"
5
0
5
・
・
・
・
・
・
・
・
・
97
9
7
98
9
8
99
9
9
Push button setting
7. 4.
Various functions can be set. Set when necessary.
Perform settings after all indoor units have stopped operation.
Refer to Table A for the items that can be set.
A: List of Settings
Table.
No
Setting Item
7 segment LED
display
Factory
default
Content
First 2
digits
Last 2
digits
0
Pipe length set-
ting
Standard pipe (40 to 65m)
0
0
0
0
O
This item allows you to adjust the cooling cycle loss due to the length of the
connected pipe.
Set according to the length of the connected pipe.
Set only the master unit for this item.
*
Pipe length means the length between master outdoor unit and the nearest
indoor unit.
Short pipe (less than 40m)
0
1
Long pipe 1 (65 to 90m)
0
2
Long pipe 2 (90 to 120m)
0
3
Long pipe 3 (120 to 150m)
0
4
10
Compressor
sequential start
shift
No shift
1
0
0
0
O
This item allows you to delay the start timing of the outdoor units for every
refrigerant system when multiple refrigerant systems have been con
fi
gured.
You can also limit the start current when multiple refrigerant systems are
activated at the same time.
Set only the master unit for this item.
Shift 1 (21 seconds)
0
1
Shift 2 (42 seconds)
0
2
Shift 3 (63 seconds)
0
3
11
Cooling capacity
shift
Standard
1
1
0
0
O
Set this item when necessary.
Save energy mode
0
1
High power mode 1
0
2
High power mode 2
0
3
12
Heating capacity
shift
Standard
1
2
0
0
O
Set this item when necessary.
Save energy mode
0
1
High power mode 1
0
2
High power mode 2
0
3
13
(Setting disabled)
1
3
0
0
(Factory default)
20
Emergency stop/
Forced stop
toggle
Forced stop
2
0
0
0
O
This item allows you to stop the outdoor/indoor units of the same refrigerant
system when a stop signal is received at the external input terminal “CN134”.
• Forced stop: Operation can be resumed using a remote control.
• Emergency stop: Once emergency stop is cancelled, you can start opera-
tion with a remote control.
Set only the master unit for this item.
Emergency stop
0
1
9378945029-03_IM_EN.indb 29
9378945029-03_IM_EN.indb 29
2011-9-20 16:26:00
2011-9-20 16:26:00
