6. CONTROL OUTLINE
NO.
1
2
Item Specification outline Remarks
Upon power
supply reset
Operation
selection
1) Distinction of outdoor unit
When the power supply is reset, the outdoors are distinguished and the
control is selected according to the distinguished result.
2) If resetting the power supply during occurrence of a trouble, the check
code is once cleared. After ON/OFF button of the remote controller was
pushed and the operation was resumed, if the abnormal status
continues, the check code is again displayed on the remote controller.
1.The operation mode changes in response to an operation selection
command issued via the remote controller.
Ts: Temperature
setting
TA: Room
temperature
Remote controller command Control outline
STOP
Air conditioner stop
COOL Cooling operation
HEAT Heating operation
AUTO
Heat recovery
system outdoor
unit type
(TA type)
• TA and Ts automatically select COOL/
HEAT operation mode for operation.
• The operation is performed as shown in
the following figure
according to TA value
at the first time only.
(In the range of Ts – 2 < TA < Ts + 2,
Cooling thermostat OFF (Fan) / Setup air
volume operation continues.)
∗ Heat recovery system outdoor unit type can select
automatic mode.
Cooling thermostat OFF
(at the first time only)
Cooling
thermostat ON
Heating
thermostat ON
TA
(˚F)
–2.0
Ts
+2.0
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