– 37 –
Operation ON
Setup of remote controller
Indoor fan motor control / Louver control
Compressor revolution control / Outdoor fan motor control / 4-way valve control
[In cooling operation: OFF, In heating operation: ON]
Pulse motor valve control
Indoor unit control
Sending of operation command signal
Outdoor unit control
Item
1. Basic
operation
(Continued)
Operation flow and applicable data, etc.
2. Operating mode selection when performing 2-roomoperation
1) The outdoor unit operating mode conforms to the instructions of the indoor unit that was pressed first.
2) When combined operation consisting of cooling (dry) and heating, fan (air purification) 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 left table.
3) The indoor fan stops for the indoor unit that was pressed last and which instructions are ignored.
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Indoor unit
Pressed first
Pressed last
Pressed first
Pressed last
Pressed first
Pressed last
Pressed first
Pressed last
Pressed first
Pressed last
Pressed first
Pressed last
Pressed first
Pressed last
Pressed first
Pressed last
Pressed first
Pressed last
Pressed first
Pressed last
Pressed first
Pressed last
Pressed first
Pressed last
Pressed first
Pressed last
Pressed first
Pressed last
Pressed first
Pressed last
Pressed first
Pressed last
Set operating mode
Cooling (dry)
Cooling (dry)
Heating
Heating
Fan (solo air purification)
Fan (solo air purification)
Fan (solo air purification)
Cooling (dry)
Cooling (dry)
Fan (solo air purification)
Cooling (dry)
Heating
Heating
Cooling (dry)
Fan (solo air purification)
Heating
Heating
Fan (solo air purification)
Cleaning operation
Cleaning operation
Cleaning operation
Cooling (dry)
Cooling (dry)
Cleaning operation
Cleaning operation
Fan (solo air purification)
Fan (solo air purification)
Cleaning operation
Cleaning operation
Heating
Heating
Cleaning operation
Actual indoor unit operation
Cooling (dry)
Cooling (dry)
Heating
Heating
Fan (solo air purification)
Fan (solo air purification)
Fan (solo air purification)
Cooling (dry)
Cooling (dry)
Fan (solo air purification)
Cooling (dry)
Fan stopped
Heating
Fan stopped
Fan (solo air purification)
Fan stopped
Heating
Fan stopped
Cleaning operation
Cleaning operation
Cleaning operation
Cooling (dry)
Cooling (dry)
Cleaning operation
Cleaning operation
Fan (solo air purification)
Fan (solo air purification)
Cleaning operation
Cleaning operation
Fan stopped
Heating
Fan stopped
Actual outdoor unit operation
Cooling
Heating
Stopped
Cooling
Cooling
Cooling
Heating
Stopped
Heating
Stopped
Cooling
Cooling
Stopped
Stopped
Stopped
Heating
3. Cooling/Heating operation
The operations are performed in the following parts by controls according to cooling/heating conditions.
1) Receiving the operation ON signal of the remote controller, the cooling or heating operation signal
starts being transferred form the indoor controller to the outdoor unit.
2) At the indoor unit side, the indoor fan is operated according to the contents of “
2. Indoor fan
motor control
” and the louver according to the contents of “
9. Louver control
”, respectively.
3) The outdoor unit controls the outdoor fan motor, compressor, pulse motor valve and 4-way valve
according to the operation signal sent from the indoor unit.
∗
1. The power coupler of 4-way valve is usually turned off, and it is turned on during defrost
operation. (Only in heating)
Description
