Auto Restart Function - Mitsubishi Heavy Industries SRK20ZJX-S Service Manual

(3) Auto restart function

(a) 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.
(b)
The following settings will be cancelled:
1) Timer settings
2)
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.
(2) When power failure ocurrs, the timer setting is cancelled. Once power is resumed, reset the timer.
(3) If the jumper wire (J170 or JA1) "AUTO RESTART" is cut, auto restart is disabled. (See the diagram at right)
• Model SRK20~60ZJX-S
SRF25~50ZJX-S
SRR25~60ZJ-S
Jumper wire (J170)
(4) Custom cord switching procedure
If two wireless remote controller are installed in one room, in order to prevent wrong operation due to mixed signals, please
modify the printed circuit board in the indoor unit's controlbox 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.
(a) Modifying the indoor printed circuit board
Take out the printed circuit board from the control box and cut off jumper wire (J171 or JA2) using wire cutters.
After cutting of the jumper wire, take measures to prevent contact with the other the lead wires, etc.
• Model SRK20~60ZJX-S
SRF25~50ZJX-S
SRR25~60ZJ-S
Jumper wire (J171)
• Model SRK20~50ZJ-S
Jumper wire (JA1)
• Model SRK20~50ZJ-S
Jumper wire (JA2)
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'10 • SCM-SM-094