Auto Restart Function - Mitsubishi Heavy Industries SRK20ZJ-S Data Book

2. Unit ON/OFF button
When the remote controller batteries become weak, or if the remote controller is lost or malfunctioning, this button may be used to
turn the unit on and off.
(1) Operation
Push the button once to place the unit in the automatic mode. Push it once more to turn the unit off.
(2) Details of operation
The unit will go into the automatic mode in which it automatically determines, from indoor temperature (as detected by sensor),
whether to go into the cooling, thermal dry or heating modes.
Function
Indoor temperature
setting
operation mode
About ºC
Cooling
About ºC
Thermal dry
About ºC
Heating

3. Auto restart function

(1) Auto restart function records the operational status of the air-conditioner immediately prior to be switched off by a power cut,
and then automatically resumes operations after the power has been restored.
(2) The following settings will be cancelled:
(a) Timer settings
(b) HIGH POWER operations
Notes (1) Auto restart function is set at on when the air-conditioner is shipped from the factory. Consult with
your dealer if this function needs to be switched off.
() When power failure ocurrs, the timer setting is cancelled. Once power is resumed, reset the timer.
() If the jumper wire (JA) "AUTO RESTART" is cut, auto restart is disabled. (See the diagram at right)
4. Custom cord switching procedure
If two wireless remote controller are installed in one room, in order to prevent wrong opera-
tion due to mixed signals, please modify the printed circuit board in the indoor unit's control
box and the remote controller using the following procedure. Be sure to modify both boards.
If only one board is modified, receiving (and operation) cannot be done.
(1) Modifying the indoor printed circuit board
Take out the printed circuit board from the control box and cut off jumper wire (JA)
using wire cutters.
After cutting of the jumper wire, take measures to prevent contact with the other the
lead wires, etc.
(2) Modifying the wireless remote controller
(a) Remove the battery.
(b) Cut the jumper wire shown in the figure at right.
Fan speed Flap/Louver Timer Switch
Auto Auto Continuous
Jumper wire (JA1)
Jumper wire (JA2)

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'09•SRK-DB-087D
Cut
Unit ON/OFF butto n