msz-gc35va

8SERVICE FUNCTIONSMSZ-GC22VAMSZ-GC25VAMSZ-GC35VA8-1. TIMER SHORT MODEFor service, set time can be shortened by short circuit of JPG and JPS on the electronic control P.C. board.The time will be shortened as follows. (Refer to 10-7.)Set time : 1-minute ➔ 1-secondSet time : 3-minute ➔ 3-second (It takes 3 minutes for the compressor to start operation. However, the starting time isshortened by short circuit of JPG and JPS.)8-2. P.C. BOARD MODIFICATION FOR INDIVIDUAL OPERATIONA maximum of 4 indoor units with wireless remote controllers can be used in a room.In this case, to operate each indoor unit individually by each remote controller, P.C. boards of remote controller must bemodified according to the number of the indoor unit.How to modify the remote controller P.C. boardRemove batteries before modification.The board has a print as shown below :Table 1J1The P.C. board has the print “J1” and “J2”. Solder “J1” and “J2” according to the number of indoor unit as shown in Table 1.After modification, press the RESET button.J2NOTE : For modification, take outthe batteries and press theOPERATE/STOP(ON/OFF)button twice or 3 times atfirst.After modification, put backthe batteries then pressthe RESET button.No. 1 unitNo. 2 unitNo. 3 unitNo. 4 unit1 unit operationNo modification–––2 units operationSame as at leftSolder J1––3 units operationSame as at leftSame as at leftSolder J2–4 units operationSame as at leftSame as at leftSame as at leftSolder both J1 and J2How to set the remote controller exclusively for particular indoor unitAfter you turn the breaker ON, the first remote controller that sends the signal to the indoor unit will be regarded as the remotecontroller for the indoor unit.The indoor unit will only accept the signal from the remote controller that has been assigned to the indoor unit once they areset.The setting will be cancelled if the breaker is turned OFF, or the power supply is shut down.Please conduct the above setting once again after the power has restored.7