108
Outdoor Unit
■
Setting the DIP switch (SW03M)
• Set the dip switch with the power turned off. If you change the setting when the power is on, the
changed setting is not applied immediately. The changed setting is applied at the moment that the
power is on.
• Instant indoor unit checking, data display mode, and forced oil collecting operation are used when the
units are running. If you don't have to use those functions after using them, restore the dip switch set-
ting.
1. Settings of main outdoor unit
Set before applying the power
7
8
6
5
4
2
1
3
ON
OFF
3) Capacity up
Set before applying the power
7
8
6
5
4
2
1
3
ON
OFF
2) Save mode
Set before applying the power
When the installation condition is normal
(almost all cases), use standard mode.
7
8
6
5
4
2
1
3
ON
OFF
1) Standard mode(default)
7
8
6
5
4
2
1
3
ON
OFF
4) Instant indoor unit checking: Cooling mode
With dip switch setting as left
side, push address(red) button
3 times in 3 sec.
With data button, select the
indoor unit that you want to turn
on/off. Push address button for
3 sec, and the indoor unit will
be turned on/off.
After using, restore the dip
switch setting.
If you set the dip switch #1 and
#2 off during the instant indoor
checking mode, the mode is
ended. After that, restore the
dip switch setting.
7
8
6
5
4
2
1
3
ON
OFF
5) Instant indoor unit checking: Heating mode
7
8
6
5
4
2
1
3
ON
OFF
6) Instant indoor unit checking: Restoring
data
address
data
address
Test Run
Summary of Contents for ARNU Series
Page 13: ...Service Manual 13 External Appearance 2 2 Outdoor Units ARUN1008F20 10HP ...
Page 16: ...16 ...
Page 17: ...Service Manual 17 Indoor Units ...
Page 18: ...18 Indoor Unit ...
Page 30: ...30 Indoor Unit ...
Page 44: ...44 Indoor Unit ...
Page 79: ...Service Manual 79 Outdoor unit ...
Page 88: ...88 Outdoor Unit 5 Wiring Diagrams Wiring Diagrams ...
Page 112: ...112 Outdoor Unit ...
Page 113: ...Service Manual 113 Trouble shooting guide ...
Page 137: ...Service Manual 137 Troubleshooting Guide Resistance measure between phases of compressor ...
Page 142: ...Troubleshooting Guide 142 Outdoor Unit Connector of reactor Connectors of 3phase diode ...
Page 143: ...Service Manual 143 Troubleshooting Guide Connectors of capacitor Check IPM PCB ...
Page 150: ...Troubleshooting Guide 150 Outdoor Unit Pressure switch CHECK VALVE ...
Page 152: ...Troubleshooting Guide 152 Outdoor Unit Measure power input of outdoor unit ...
Page 153: ...Service Manual 153 Troubleshooting Guide Measure power input of outdoor unit ...
Page 156: ...Troubleshooting Guide 156 Outdoor Unit Liquid injection by pass valve ...
Page 157: ...Service Manual 157 Troubleshooting Guide Measure resistance of LEV coil ...
Page 158: ...Troubleshooting Guide 158 Outdoor Unit Heater ...
Page 168: ...Troubleshooting Guide 168 Outdoor Unit Measure input power of outdoor unit ...
Page 172: ...Troubleshooting Guide 172 Outdoor Unit Check main fuse of out door unit ...
Page 176: ...Troubleshooting Guide 176 Outdoor Unit Fan IPM ...
Page 178: ...Troubleshooting Guide 178 Outdoor Unit Measure input power of fan main PCB ...
Page 183: ...Service Manual 183 Exploded View Replacement Parts List ...