User manual TOSHIBA RAS-3M31SAH-E SERVICE MANUAL

[. . . ] A00-9709 SERVICE MANUAL AIR-CONDITIONER MULTI SPLIT WALL TYPE PRINTED IN JAPAN, May, 1997 ToMo CONTENTS 1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CONSTRUCTION VIEWS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Indoor Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] (4) Take out the connecting cable through the cable slot on the rear panel so that it is exploded by about 15 cm long in the front side. (5) Insert the connecting cable fully into the terminal block and secure it by screw tightly. (6) Tightening torque:1. 2 N·m (0. 12 kgf·m) (7) Secure the connecting cable with the cord clamp. (8) Fix the terminal cover and front panel on the indoor unit. <Stripping length of connecting cable> 50mm 10mm 4 3 2 1 Earth line 10mm 40mm For a five conductor cable NOTE : · Use stranded wire only. · Wire type:More than H05 RN-F Fig. 8-4-10 <How to install the front cabinet on the indoor unit> Install the front cabinet through the opposite order of "How to remove the front cabinet". When the panel is removed and mounted again, take the following actions: After fastening the two screws, one each at the left and right of the air outlet, be sure to push the upper center 1 right end 2 , left end 3 and the lower center 4 of the air outlet, and confirm that no gap is left between the front cabinet and the rear plate. · If cooling (dry) operation is made without pushing the air outlet, dew can be deposited on the front cabinet surface. In addition a gap between the front cabinet and the rear plate will become wider, spoiling the appearance. Push 3 Earth line CAUTION · Be sure to refer the wiring system diagram labeled inside the front panel. · Check local electrical codes and also any specific wiring instructions or limitation. Terminal block Connecting cable Cord Terminal clamp cover Screw Push 1 Push 2 abo ut 1 5cm Screw Screw Connecting cable 4 Push Fig. Piping and Drain Hose Installation <In case of rightward piping> · After scribing slits of the front panel and the rear panel by a knife or a marking-off pin, cut them by a pair of nippers or the like. Slit (front panel) To connect pipe after installation of unit (figure) (To the forefront of flare) 196mm 96mm Side of liquid flow Side of gas flow Outward form of indoor unit 43mm R 30mm (Use polisin or the like for bending pipe. ) 80 ° Use the handle of screwdriver, etc. Slit (rear panel) Fig. 8-4-14 NOTE : If the pipe is bent incorrectly, the indoor unit may unstably be set on the wall. After passing the connecting pipe through the pipe hole, connect the connecting pipe to auxiliary pipes and wrap the facing tape around them. Fig. 8-4-12 <In case of downward piping> · After scribing the slit of the front panel and slit in the lower part of the rear panel by a knife or a marking-off pin, cut them by a pair of nippers or the like. CAUTION · Bind the auxiliary pipes (two) and connecting cable with facing tape tightly. In case of leftward piping and rear-leftward piping, bind the auxiliary pipes (two) only with facing tape. Indoor unit Auxiliary pipes Connecting cable Slit (front panel) Slit (rear panel) Fig. 8-4-13 <Left-hand connection with piping> Bend the connecting pipe so that it is laid within 43 mm above the wall surface. If the connecting pipe is laid exceeding 43 mm above the wall surface, the indoor unit may unstably be set on the wall. When bending the connecting pipe, make sure to use spring bender so as not to crush the pipe. Bend the connection pipe within a radius of 30 mm. Installation plate · Carefully arrange pipes so that any pipe does not stick out of the rear plate of the indoor unit. · Carefully connect the auxiliary pipes and connecting pipes to each other and cut off the insulating tape wound on the connecting pipe to avoid double-taping at the joint, moreover, seal the joint with the vinyl tape, etc. · Since dewing results in a machine trouble, make sure to insulate both the connecting pipes. (Use polyethylene foam as insulating material. ) · When bending a pipe, carefully do it not to crush it. ­ 36 ­ 8-4-5. [. . . ] (2 screws) 3) Disconnect the lead wire from the capacitor terminal. Connector -5 Transformer for outdoor unit 1) Remove the electrical parts cover. (2 screws) 3) Disconnect the connector from the PC board assembly. 2) Remove the terminal cover of compressor. [. . . ]