User manual TOSHIBA RAS-18UA-ES SERVICE MANUAL

[. . . ] SVM-02009 SERVICE MANUAL AIR-CONDITIONER UNDER CEILING / CONSOLE TYPE RAS-18UFHP-ES / RAS-18UAH-ES RAS-18UFP-ES / RAS-18UA-ES RAS-24UFHP-ES / RAS-24UAH-ES RAS-24UFP-ES / RAS-24UA-ES 18 Class 24 Class Apr. , 2002 FILE NO. CONSTRUCTION VIEWS 2-1 Indoor Unit 2-2 Outdoor Unit (RAS-18UAH-ES, RAS-18UA-ES) 2-3 Outdoor Unit (RAS-24UAH-ES, RAS-24UA-ES) 3. WIRING DIAGRAM 3-1 3-2 3-3 3-4 4-1 4-2 4-3 4-4 4-5 5-1 5-2 5-3 5-4 RAS-18UFHP-ES / RAS-18UAH-ES RAS-18UFP-ES / RAS-18UA-ES RAS-24UFHP-ES / RAS-24UAH-ES RAS-24UFP-ES / RAS-24UA-ES Indoor Unit Outdoor Unit (RAS-18UAH-ES) Outdoor Unit (RAS-18UA-ES) Outdoor Unit (RAS-24UAH-ES) Outdoor Unit (RAS-24UA-ES) RAS-18UFHP-ES / RAS-18UAH-ES RAS-18UFP-ES / RAS-18UA-ES RAS-24UFHP-ES / RAS-24UAH-ES RAS-24UFP-ES / RAS-24UA-ES 4. CONTROL BLOCK DIAGRAM 6-1 RAS-18UFHP-ES, RAS-24UFHP-ES 6-2 RAS-18UFP-ES, RAS-24UFP-ES 7. [. . . ] (The preset temperature on the remote control changes to [00]. ) 3) Press the [MODE] button while pressing the [CHECK] button, [B] is indicted at the right of the present temperature display. · To reset the switch to the [A] setting, press the [MODE] button again while pressing the [CHECK] button. A B A B PRESET START/STOP FAN MODE ECO TIMER AUTO Hi-POWER MEMO SET CLR Fig. 8-6-1 3) Select the terminal of selector switch from [A position] to [B position]. SWING FIX ON OFF FILTER [MODE] button RESET CLOCK CHECK [CHECK] button C INSTALL A B REMOCON F Fig. Confirm that the indoor unit can operate with the new setting. Fig. How to Use Drain Pump Kit of Option In the case of upward drainage from the unit (Under ceiling installation). It is necessary to use Drain pump kit of option parts. By using a Drain pump kit, it becomes possible to raise 300 mm from a ceiling side. Please follow the installation manual of Drain pump kit (TCB-DP10CE) attachment. 8-8. Gas leak test Electric parts cover D C Flare nut connections (Indoor unit) Valve stem cap connection Flare nut connections (Outdoor unit) A 300 mm B Service cap connection Valve stem cap connection Fig. 8-8-1 · Check the flare nut connections, valve stem cap connections and service port cap connections for gas leak with a leak detector or soap water. Test operation To switch the TEST RUN (COOL) mode, press TEMPORARY button for 10 sec. (The beeper will make a short beep. ) Drain pump kit Fig. 8-7-1 Hi POWER FILTER PRE. D TEMPORARY button Fig. Auto restart setting This product is designed so that, after a power failure, it can restart automatically in the same operating mode as before the power failure. Information The product was shipped with Auto Restart function in the off position. <How to set the auto restart> · Press and hold the TEMPORARY button for about 3 seconds. After 3 seconds, the electronic beeper makes three short beeps to tell you the Auto Restart has been selected. · To cancel the Auto Restart, follow the steps described in the section Auto Restart Function of the Owner's Manual. Troubleshooting Procedure Follow the details of 9-2. If there is no trouble corresponding to 9-2, check whether or not there are faulty parts following 9-4. Incorrect cable connection between indoor and outdoor units The indoor unit is connected to the outdoor unit with 4 cables. Check that the indoor and outdoor units have been properly connected with terminals assigned the same numbers. If the connectors are not properly connected, the outdoor unit will not operate normally, or OPERATION lamp and TIMER lamp will blink (5Hz). [. . . ] (1 screw) 2) Disconnect the lead wires from the capacitor terminal. (2 screws) 2) Disconnect the lead wire from the terminal. P. C. Board Magnet switch 3 4 5 1) Remove the transformer. (2 screws) Transformer (Heat pump only) 2) Disconnect the housing from the P. C. [. . . ]