Special Function - Mitsubishi Electric Mr.SLIM PLA-ZP60EA Service Manual

10

SPECIAL FUNCTION

10-1. OPERATION (AUTO DESCENDING PANEL: PLP-6EAJ/PLP-6EAJE)
(1) Normal operation
1 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 automatically at the set lowering distance from
the ceiling level.
2 STOP
It stops in the cases below :
• When it reaches 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 5 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 string 1b and 2b are not loaded.
Only the string b in each UP/DOWN Machine has a tension detection switch.
(2) Special operation
1 Re-storage operation
Case : Obstruction of the raising grille before storage or malfunction of storage detection switch
Re-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
2 No-load detection
Case : UP/DOWN commands with no grille suspended.
When both string 1b and string 2b are not loaded, the strings will not move.
3 Obstacle detection
Case : Making contact with something while lowering.
Should the loads on the string 1b and string 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 ]
1. If the wireless remote controller for ELEVATION PANEL is faulty or lost, operation will be possible
using the emergency up/down switch at the wireless signal receiver or wired remote controller.
▪ For the operation using the emergency up/down switch at the wireless signal receiver, refer to
SW1 and SW2 on the left [ LEGEND].
2. When machine for ELEVATION PANEL breaks down, a intake grille is fixed for a while, and
the operation of the unit can be done.
▪ Refer to installation manual with the grille for the details such as an installation method.
OCH625
···· 10 cm down 30 cm up
UP/DOWN
Machine 1
Detection
switch
String 1a
32
String 1b
UP/DOWN
Machine 2
String 2b
String 2a
Air intake grille
Fig.1