When the working distance is 10m, use twisted-pair or RVV2×0.3mm².If the user want to lengthen the cable into 10m-
30m, use twisted-pair or RVV2 x 0.5mm² connecting wire.
If the user wants to lengthen the cable into 30m- 50m, use twisted-pair or RVV2 x 0.75mm²
connecting wire.The cable of electronic-controlled use RVV2×1.0mm².
The terminal “Lock” on indoor unit is for the unlocking function of the third button on the indoor
unit, the terminal 3&4 on the outdoor unit is for the unlocking function of the second button ) on the
indoor unit, the terminal 5&6 is used for connecting the door exit switch.Both of them are connected by
RVV2×1.0mm².