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1 TROUBLESHOOTING
1.1
INITIAL TROUBLESHOOTING
1.1.1
ROTARY SWITCH AND DIP SWITCH
SETTING
n INDOOR UNIT
The PCB in the indoor unit is equipped with 7 types of dip
switches and rotary switch. Before testing the unit, set these
dip switches according to the following instructions. Unless
these dip switches are set in the field, the unit can not be
operated.
a. Unit No. Setting (RSW)
Setting is required. Set the unit No. of all indoor units
respectively and serially, by following setting position
shown in the table below. Numbering must start from "0"
for every outdoor unit.
Unit 0
Unit 1
Unit 2
Unit 4
Unit 5
Unit 6
Unit 8
Unit 9
Unit 10
Unit 12
Unit 13
Unit 14
Setting position
Set by inserting a
screwdriver into the
groove.
Unit 3
Unit 7
Unit 11
Unit 15
TROUBLESHOOTING
b. Optional Function Setting (DSW2)
Note: The "n" mark indicates position of dip switches.
Figures show the setting before shipment.
No setting is required. Setting position before shipment is all
OFF.
21
2))
c. Capacity Code Setting (DSW3)
No setting is required, due to setting before shipment.
This switch is used for setting the capacity code which
corresponds to the Horse-Power of the indoor unit.
0.8
HP
Setting
21
21
2))
2))
Position
HP
1.8
Setting
21
21
2))
2))
Position
2.8
HP
21
21
Setting
2))
2))
Position
d. Capacity Adjustment Setting (DSW4: Except for RPK
model)
No setting is required. Setting position before shipment is
all OFF.
HP
Setting
Pattern
1
1
1.0
1.3
1.5
21
21
2))
2))
2.0
2.3
2.5
21
21
2))
2))
3.0
4.0
5.0
21
21
2))
2))
0.8~5
21
2))
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Troubleshooting
