Operating Mode Selection When Performing 2-Room Operation; Cooling/Heating Operation - Toshiba RAS-B10SKVP-E Service Manual

Item
1. Basic

2. Operating mode selection when performing 2-room operation

operation
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 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
Pressed first
1
Pressed last
Pressed first
2
Pressed last
Pressed first
3
Pressed last
Pressed first
4
Pressed last
Pressed first
5
Pressed last
Pressed first
6
Pressed last
Pressed first
7
Pressed last
Pressed first
8
Pressed last
Pressed first
9
Pressed last
Pressed first
10
Pressed last
Pressed first
11
Pressed last
Pressed first
12
Pressed last
Pressed first
13
Pressed last
Pressed first
14
Pressed last
Pressed first
15
Pressed last
Pressed first
16
Pressed last

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 from 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 of 4-way valve is turned on in heating time and turned off in cooling time and
defrosting time, respectively.
Operation ON
Indoor unit control
Sending of operation command signal
Outdoor unit control
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Operation flow and applicable data, etc.
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
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
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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
– 35 –
Description
Actual outdoor unit operation
Cooling
Heating
Stopped
Cooling
Cooling
Cooling
Heating
Stopped
Heating
Stopped
Cooling
Cooling
Stopped
Stopped
Stopped
Heating
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