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Item Operation flow and applicable data, etc. Description
1. Basic
operation
1-2.When power supply is reset
1) Based on EEPROM data and DIPSW, setting of the indoor fan
speed and other setting are loaded. During this loading (approx
30 seconds), operation cannot be accepted.
Air speed (rpm)
1-3. Operating mode selection when performing 2-room operation
1) The outdoor unit operation mode conforms to the instructions of the indoor unit that was pressed
first.
2) When combined operation consisting of cooling (dry) and heating, fan and heating, or cleaning
operation and heating is performed, operation conforms to the instructions of the indoor unit that was
pressed first as shown in the following table.
3) The indoor fan stops for the indoor unit that was pressed last and which instructions are ignored.
4) When three or four indoor units are operated concurrently, the priority is also given to operating mode
of the indoor unit which was pressed first as same as the case when two indoor units are operated
concurrently.
No. Indoor unit Set operating mode Actual indoor unit operation Actual outdoor unit operation
1
Pressed first Cooling (dry) Cooling (dry)
Cooling
Pressed last Cooling (dry) Cooling (dry)
2
Pressed first Heating Heating
Heating
Pressed last Heating Heating
3
Pressed first Fan only Fan only
Stopped
Pressed last Fan only Fan only
4
Pressed first Fan only Fan only
Cooling
Pressed last Cooling (dry) Cooling (dry)
5
Pressed first Cooling (dry) Cooling (dry)
Cooling
Pressed last Fan only Fan only
6
Pressed first Cooling (dry) Cooling (dry)
Cooling
Pressed last Heating Fan stopped
7
Pressed first Heating Heating
Heating
Pressed last Cooling (dry) Fan stopped
8
Pressed first Cleaning operation Cleaning operation
Stopped
Pressed last Cleaning operation Cleaning operation
9
Pressed first Cleaning operation Cleaning operation
Cooling
Pressed last Cooling (dry) Cooling (dry)
10
Pressed first Cooling (dry) Cooling (dry)
Cooling
Pressed last Cleaning operation Cleaning operation
11
Pressed first Cleaning operation Cleaning operation
Stopped
Pressed last Fan only Fan only
12
Pressed first Fan only Fan only
Stopped
Pressed last Cleaning operation Cleaning operation
13
Pressed first Cleaning operation Cleaning operation
Stopped
Pressed last Heating Fan stopped
14
Pressed first Heating Heating
Heating
Pressed last Cleaning operation Fan stopped