En-27
FIELD SETTING
7.
CAUTION
Discharge the static electricity from your body before setting up the DIP switches.
Never touch the terminals or the patterns on the parts that are mounted on the board.
Field setting switches
7. 1.
Remove the front panel of the outdoor unit and the cover of the electrical component box to access the print circuit
board of the outdoor unit.
Print circuit board switches for various settings and LED displays are shown in the
fi
gure.
DIP switch setting
7. 2.
List of Settings
7. 2. 1.
SET3 and SET5 must be set for the DIP switch.
Con
fi
gure the settings before turning on the power.
Settings for SET1, SET2, and SET4 DIP switches are
factory default ones. Do not change them.
DIP Switch
Function
SET1
1-4
Forbidden
SET2
1-4
Forbidden
SET3
1
Outdoor unit
address setting
2
3
Setting for number of
slave units
4
SET4
1-4
Forbidden
SET5
1-2
Number of outdoor units in-
stalled
3
Forbidden
4
Terminal resistor setting
X 10
X 1
5'6
7 Segment
LED display
Push button
LED lamp
POWER
LED105
LED104
REF AD
SET 1
SW101
SET 2
SW102
SET 3
SW103
SET 4
SW104
ERROR
MODE
LED101
(GREEN)
MODE
/EXIT SELECT ENTER
SW106
SW107 SW108 SW109
SW105
LED102
(RED)
Rotary switch
Outdoor unit printed circuit board
DIP switch
Settings to be con
fi
gured locally
7. 2. 2.
Outdoor unit address setting
(1)
When 2 or 3 outdoor units are installed to 1 refrigerant system, set
the address for each outdoor unit.
Set the address for all outdoor units.
SET3
Outdoor unit
address
Remarks
1
2
OFF
OFF
0
Master unit only (Factory setting)
OFF
ON
1
Slave unit 1
ON
OFF
2
Slave unit 2
ON
ON
-
Forbidden
Nu
(2)
mber of slave units setting for outdoor unit
Set the number of slave units connected to 1 refrigerant system.
Set only the master unit.
SET3
Number of
connectable
outdoor units
Remarks
3
4
OFF
OFF
0
Master unit only (Factory setting)
OFF
ON
1
1 slave unit connected
ON
OFF
2
2 slave unit connected
ON
ON
-
Forbidden
9378945029-03_IM_EN.indb 27
9378945029-03_IM_EN.indb 27
2011-9-20 16:25:59
2011-9-20 16:25:59