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NO.
14
Item
Central control
mode switching
Overview of specifications
(1) The scope of operation by remote controller on the indoor unit
side can be switched by the setting of remote controller.
(2) Scope of operation by remote controller on the indoor unit side
[Individual] : All settings and ON/OFF operations are available.
[Central 1] : ON/OFF operations are disabled.
[Central 2] : ON/OFF operations, operation mode selection, and
temperature setting are disabled.
[Central 3] : Operation mode selection and temperature setting
are disabled.
[Central 4] : Operation mode selection is disabled.
15 (1) Power-saving operation is available in the AUTO mode.
(2) The set temperature is corrected using various sensor data within
the range where comfort is maintained.
(3) By using various sensor data including room temp. Ta, outside air
temp. To, fan speed, and indoor unit heat exchange sensor temp.
Tc, 20-minute data is averaged to calculate a set temperature
correction value.
(4) The set temperature is corrected every 20 minutes with the
following shift range.
Cooling : +1.5 to -1.0K
Heating : -1.5 to +1.0K
Power-saving
control
Remarks
No indication
“CENTRAL CONTROL”
lamp ON
“CENTRAL CONTROL”
lamp ON
“CENTRAL CONTROL”
lamp ON
“CENTRAL CONTROL”
lamp ON
When wired remote
controller is not used,
operation range is the
same as above though
lamp indication remains
unchanged.
If an unavailable operation
mode is transmitted from
wireless remote controller,
it is indicated with a
reception sound “pi, pi, pi,
pi, pi”.
16
(1) This control is performed when AUTO mode is selected.
(2) COOL mode: When To is under 28 °C, the control is as follows.
(3) HEAT mode: When To is over 15 °C, the control is as follows.
Maximum
frequency limit
control
Ta(˚C)
+4
+3
Tsc
Normal control
Maximum frequency is
limited to the rating of cooling.
-4
-3
Tsh
Ta(˚C)
Normal control
Maximum frequency is limited
to the rating of heating.
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