Toshiba MMD-AP0481HF2UL Service Manual

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

– 95 –– 15 –2 Each time button is pushed, indoorunit numbers in the control group changecyclically. Select the indoor unit to changesettings for.The fan of the selected unit runs and the louversstart swinging. The indoor unit for change settingscan be confirmed.3 Specify CODE No. [ ] with “TEMP.” /buttons.4 Select SET DATA [ ] with “TIME” /buttons.5 Push button. When the display changesfrom flashing to lit, the setup is completed.• To change settings of another indoor unit,repeat from Procedure 2.• To change other settings of the selected indoorunit, repeat from Procedure 3.Use button to clear the settings. To makesettings after button was pushed, repeat fromProcedure 2.6 When settings have been completed, pushbutton to determine the settings.When button is pushed, flashes andthen the display content disappears and the airconditioner enters the normal stop mode.(While is flashing, no operation of theremote control is accepted.) Filter sign settingAccording to the installation condition, the filter signterm (Notification of filter cleaning) can be changed.Follow to the basic operation procedure(1 → 2 → 3 → 4 → 5 → 6).• For the CODE No. in Procedure 3, specify [01].• For the [SET DATA] in Procedure 4, select the SETDATA of filter sign term from the following table. Setting the level of dirtinessfor the filterThe time when the filter indicator lights can be changedto half depending on the level of dirtiness.Follow to the basic operation procedure(1 → 2 → 3 → 4 → 5 → 6). Perform the operation.• Specify [02] for the CODE No. in Procedure 3.• The SET DATA in Procedure 4 is [0001]. Group controlIn a group control, a remote control can control up tomaximum 8 units.The Outside Air Unit and indoor unit for air conditioningcannot be controlled as a group.• For wiring procedure and wires of the individual line(Identical refrigerant line) system, refer to “Electricalconnection” in this Manual.• Wiring between indoor units in a group is performedin the following procedure.• Connect the indoor units by connecting the remotecontrol wires from the remote control terminal blocks(A, B) of the indoor unit connected with a remotecontrol to the remote control terminal blocks (A, B) ofthe other indoor unit. (Non-polarity)• For address setup, refer to the Installation Manualattached to the outdoor unit.SET DATA Filter sign term0000 None0001 150 H0002 2500 H(Factory default)0003 5000 H0004 10000 HSET DATA 0000 0001Filter sign term Normal Half12Test run Before test run• Before turning on the power supply, carry out the following procedure.1) By using 500 V-megger, check that resistance of 1 MΩ or more exists between the terminal block L to Nand the grounding.If resistance of less than 1 MΩ is detected, do not run the unit.2) Check the valve of the outdoor unit being opened fully.• To protect the compressor at activation time, leave power-ON for 12 hours or more before operating.• Do not press the electromagnetic contactor to forcibly perform a test run. (This is very dangerous because theprotective device does not work.)• Before starting a test run, set addresses by following the Installation Manual supplied with the outdoor unit. Execute a test run• When a fan operation is to be performed for an individual indoor unit, turn off the power, short CN72 on the circuitboard, and then turn the power back on. (First set the operating mode to “fan,” and then operate.) When the testrun has been performed using this method, do NOT forget to release the shorting of CN72 after the test run iscompleted.Operate the unit with the wired remote control as usual.For the procedure of the operation, refer to the attached Owner’s Manual to the outdoor unit.A forced test run can be executed in the following procedure even if the operation stops by thermostat-OFF.In order to prevent a serial operation, the forced test run is released after 60 minutes have passed and returns tothe usual operation.CAUTIONDo not use the forced test run for cases other than the test run because it applies an excessive load to the devices.1 Push button for 4 seconds or more. [TEST] is displayed on the display part and the selectionof mode in the test mode is permitted.2 Push button.2, 431,529-EN 30-EN