Mitsubishi Heavy Industries FDC112KXEN6 Technical Manual page 386

2
Correlation between illuminance at the receiver and
reachable area of the signal in a plain view. The draw-
ing in the right shows the correlation between the
reachable area of the signal and illuminance at the
receiver when the remote controller is operated at 1m
high under the condition of ceiling height of 2.4m.
3
Installation tips when several receivers are installed close Minimum distance between the indoor units which can avoid cross
communication is 5m under the condition of 300lux of illuminance at the receiver.
(When no lighting is installed within 1m of the receiver in an ordinary office )
(5) How to disable the Auto mode operation
VRF system (except heat recovery 3-pipe systems) cannot be operated in Auto mode.
Make sure to set the remote controller for the models so as not to be able to choose Auto
mode.
Pushing ACL switch with MODE button kept pressing or inserting the batteries with
pressing MODE button will make auto mode operation.
Attention
* When the batteries are removed, the setting will return to the default setting
(Auto mode is valid).
Caution
Instruct the customer to set the mentioned above when replacing the batteries.
(How to set is also mentioned in the user's manual attached on the air conditioner.)
(6) Backup button
A Backup button is provided on the receiver. Even when the operation
from the wireless remote controller is not possible (due to flat batter-
ies, controller Iost, or controller failure), still it possible to operate as
temporary means. Press the button directly when operating it.
(a) The air conditioner starts the operation with the condition of Auto
mode, 23˚C of set point, High fan speed and horizontal louver
position.
(b) The air conditioner stops the operation when the button is pressed
when in operation.
382
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The receivable area of the
signal when the illuminance
at the receiver is 300lux
The receivable area of the
signal when the illuminance
at the receiver is 600lux
Backup button