Toshiba MMD-AP0481HF2UL Service Manual

Also see for MMD-AP0481HF2UL: Service manual Owner's manual Installation manual Manual

– 40 –Leaving-ON prevention control[Function]• This function controls the indoor units individually. It is connected with cable to the control P.C. board of theindoor unit.• In a group control, it is connected with cable to the indoor unit (Control P.C. board), and the CODE No. 2Eis set to the connected indoor unit.• It is used when the start operation from outside if unnecessary but the stop operation is necessary.• Using a card switch box, card lock, etc, the indoor unit can be protected if it is forgotten to be turned off.• When inserting a card, start/stop operation from the remote control is allowed.• When taking out a card, the system stops if the indoor unit is operating and start/stop operation from theremote control is forbidden.1. Control items1) Outside contact ON : The start/stop operation from the remote control is allowed.(Status that card is inserted in the card switch box)2) Outside contact OFF : If the indoor unit is operating, it is forced to stop.(Start/Stop prohibited to remote control)(Status that card is taken out from the card switch box)* When the card switch box does not perform the above contact operation, convert it using a relay with bcontact.2. OperationHandle the wired remote control switch in the following procedure.* Use the wired remote control switch when the system is being turned off.1 Push concurrently + + buttons for 4 seconds or more.2 Using the temperature setup / button, specify the CODE No. 2E2E2E2E2E .3 Using the timer time / button, set 00010001000100010001 to the setup data.4 Push button.5 Push button. (The status returns to the usual stop status.)3. WiringPower peak-cut from indoor unitWhen the relay is turned on, a forced thermostat-OFF operation starts.121234345656CN073T10(YEL)Relay (procured locally)Indoor control P.C. boardNote) Determine the cable length between the indoor control P.C. board and the relay within 2m.* In the figure, the contact indicatesa status that the card is taken out.Power supplyOutside contact (Card switch box, etc: Procured locally)1212EXCT(2P plug: RED)CN073Relay (procured locally)Note) Determine the cable length between the indoor oroutdoor control P.C. board and the relay within 2m.Relay coil signalIndoor control P.C. board• Wiring example