Haier YR-H71 Service Manual

1. Only use two-unit switchover function Detector is connected to two air conditioners with same type through a 4-poles screw-fixing terminal at the interface of air conditioner, and correspondingly set dialing switch of the detector as two-unit switchover operation mode. When only use two-unit switchover function, system do not need to connect other parts. Two-unit switchover time can be set within the range of 1-127 hours by the low 7 bits of dialing switch, see dialing switch setting table for detail settings and corresponding times. 2. Use central controller to reali ...

Two Unit Dialing setting （1 means dialing to ON，0 means dialing to OFF） NO.8 NO.7 NO.8 NO.7 NO.8 NO.7 NO.8 NO.7 Low 7-bit value Air conditioner installation sequence Unit number of central controller Two-unit switchover time * 1 1 0 1 0 0 0 104 105 7-9 104hrs * 1 1 0 1 0 0 1 105 106 7-10 105hrs * 1 1 0 1 0 1 0 106 107 7-11 106hrs * 1 1 0 1 0 1 1 107 108 7-12 107hrs * 1 1 0 1 1 0 0 108 109 7-13 108hrs * 1 1 0 1 1 0 1 109 110 7-14 109hrs * 1 1 0 1 1 1 0 110 111 7-15 110hrs * 1 1 0 1 1 1 1 111 112 7-16 111hrs * 1 1 1 0 0 0 0 112 113 8-1 112hrs * 1 1 1 0 0 0 1 113 ...

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