Mitsubishi Electric Mr.Slim PLA-RP35BA Service Manual page 43

11-2. OPERATION (AUTO DESCENDING PANEL: PLP-6BAJ)
(1) Normal operation
UP/DOWN
Air intake grille is raised/lowered by
commands of UP and DOWN.
Air intake grille does not move under the
state of no-load detection or obstacle detection.
Air intake grille stops automatically at the set lowering
distance from the ceiling level.
STOP
It stops in the cases below :
• When it reaches at the set lowering distance from
the ceiling level.
It automatically stops after a predetermined period
of lowering.
• When it is stored in the panel.
The air intake grille is judged to be stored in the panel
when the storage detection switch is pressed for 3 seconds continuously.
• When receiving commands of STOP, DOWN while moving up or UP while moving down.
The STOP button is only available on the automatic filter elevation panel remote controller.
When the wired remote controller is used, there will be a slight delay in stopping due to transmission speed.
• When both wire 1b and 2b are not loaded.
Only the wire b in each UP/DOWN Machine has a tension detection switch.
(2) Special operation
Storage operation
Case : Obstruction of the raising grille before storage or malfunction of storage detection switch
Storage operation will be performed when the intake grille has been raised the set distance but the
storage detection switch is not engaged.
In this case, the operation below will be repeated up to 4 times.
10 cm down 30 cm up
No-load detection
Case : UP/DOWN commands with no grille suspended.
When both wire 1b and wire 2b are not loaded, the wires will not move.
Obstacle detection
Case : Making contact with something while lowering.
Should the loads on the wire 1b and wire 2b be removed due to the grille making contact with something while lowering,
the lowering operation will stop. The grille will then be raised 10 cm and stop again.
[Emergency operation]
• When the wireless remote controller cannot be used (in the case of battery discharge, misplacing of the wireless
remote controller, malfunctioning and so on), the emergency switch on the receiver can be used as an alternative.
* When doing this, particular caution must be taken not to fall.
To lower the air intake grille : Press the
(For emergency heating operation, press and hold this button.)
To raise the air intake grille : Press the
(For emergency cooling operation, press and hold this button.)
• To stop the air intake grille from moving, use the opposite buttons to those used to initiate movement.
(To stop it from lowering, press the UP button; To stop it from rising, press the Down button.)
• If up/down machine is out of order, fix air intake grille temporarily and the indoor unit can be operated.
* For details, refer to installation manual for the attachment of grille.
OCH412F
···· 10 cm down 30 cm up
button once.
button once.
43
Wire 1b
UP/DOWN
Machine 1
Detection
switch
Wire 1a
UP/DOWN
Machine 2
Wire 2b
Wire 2a
Fig.1