V-159CONTROL SYSTEMSControl timing example(1) Option switch K3• ON : The external contact control indoor unit OFF only.• OFF : The external contact control indoor unit ON and OFF.❈ When Remote controller turns the indoor unit ON.-Zone ① : In the zone where key-tag I/M state is Close, remote controller can be used.Control priority : The contact state = Remote controller-Zone ② : In the zone where key-tag I/M state is OPEN, remote controller cannot be used.Control priority : The contact state > Remote controller① ②Case 1 : K3=ONK1=OFF ➔ The I/M contact is Open, Indoor unit turns OFF (Cannot use remote controller).The I/M contact is Short, key-tag I/M doesn’t work.Case 2 : K3=OFFK1=OFF ➔ The I/M contact is Open, Indoor unit turns ON.The I/M contact is Close, Indoor unit turns OFF.Key-tagI/M contact state Close Open Close OpenOFFON OFFONKey-tagI/M controlIndoor unitoperationOperationdelayON controlby remote controllerON controlby remote controllerThe contact Open→ Indoor unit OFFcontrolThe contact Open→ Indoor unit OFFcontrolKey-tagI/M contact stateOpen Close Open CloseOFFON OFFON ONKey-tagI/M controlIndoor unitoperationOperationdelay ON control by remote controllerThe contact Close→ Indoor unit OFFcontrolThe contact Open→ Indoor unit ONcontrolThe contact Close→ Indoor unit OFFcontrol❈ ON/OFF control by the contact state (Open↔Close).Control priority : The contact state = Remote controller05-4~6_control systems(142~171 3/6/08 14:09 Page 159