Hi-Power Mode; ([Hi-Power] Button On The Remote Controller Is Pressed); Intermittent Operation Control For Indoor Fans Of The Indoor Unit At Thermo-Off Side In Heating Operation - Toshiba RAS-B10SKVP-E Service Manual

9-6. Hi POWER Mode
([Hi POWER] button on the remote controller is pressed)
When [Hi POWER] button is pressed while the indoor unit is in Auto, Cooling or Heating operation, Hi POWER
mark is indicated on the display of the remote controller and the unit operates as follows.
1. Automatic operation
• The indoor unit operates in according to the current operation.
2. Cooling operation
• The preset temperature drops 1°C.
(The value of the preset temperature on the remote controller does not change.)
• If the difference between the preset temperature and the room temperature is big, the horizontal louver
moves to the Hi POWER position automatically.
Then when the difference between them gets smaller, the horizontal louver returns automatically.
3. Heating operation
• The preset temperature increases 2°C.
(The value of the preset temperature on the remote controller does not change.)
4. The Hi POWER mode can not be set in Dry operation
9-7. Intermittent Operation Control for Indoor Fans of the Indoor Unit at Thermo-off
Side in Heating Operation
While heating operation is executed in two rooms, if room temperature reached the setup temperature in one
room and thermo-off occurred, the following operations start. (Refer to the figure below.)
1. The indoor unit of the room (A room) in which thermo-off did not occur starts a continuous operation with
the setup number of revolution.
2. The indoor unit of the room (B room) in which thermo-off occurred starts intermittent operation of the indoor
fan.
The indoor fan operates with number of revolution of UL or SUL. Fan-ON time is 2 minutes and Fan-OFF
time is 2 to 4 minutes.
However if temperature of the indoor heat exchanger becomes over 55°C or more in B room, the indoor fan
stops the intermittent operation and starts continuous operation.
While heating operation is executed in two rooms, if room temperature reached the setup temperature in both
rooms and thermo-off occurred, both indoor units start intermittent operation of the indoor fan.
A room
Thermo-ON continues
0 rpm
B room thermo-ON
↓
Thermo-OFF
↓
Thermo-ON
0 rpm
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Indoor fan: Operates with setup number of revolution
B room thermo-OFF
UL
(∗1) (∗1)
Fan stop
T on T on
T off
∗ In case which Tc sensor temperature exceeds 55 C
in B room, the fan stops intermittent operation and
starts continuous operation with UL or SUL (∗1).
– 56 –
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UL UL
(∗1)
Fan stop Fan stop
T on
T off T off
B room thermo-ON
Operated with setup number
of revolution
∗1 Operated with UL or SUL
T on = 2 min.
T off time
To < 5 C 2 min.
5 < To < 10
3 min.
10 < To
4 min.
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