User manual TOSHIBA RAS-4M27GAV-E1 SERVICE MANUAL

[. . . ] A08-016 SERVICE MANUAL AIR-CONDITIONER SPLIT TYPE RAS-M10PKVP-E, RAS-M13PKVP-E, RAS-M16PKVP-E, RAS-M18PKVP-E / RAS-M10PKVP-ND, RAS-M13PKVP-ND, RAS-M16PKVP-ND, RAS-M18PKVP-ND / RAS-3M26GAV-E1, RAS-4M27GAV-E1 R410A PRINTED IN JAPAN, Apr, 2009 ToMo CONTENTS 1. SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SPECIFICATIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . REFRIGERANT R410A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Remove the screw securing the drain hose, then pull out the drain hose. Foam polystyrene of package u Piping on the right side or the left side · After making slits on the front panel with a knife or similar tool, cut them out with a pair of nippers or an equivalent tool. Screw Drain hose Slit Fig. 10-3-15 ­ 82 ­ u Piping on the bottom right or the bottom left · After making slits on the front panel with a knife or similar tool, cut them out with a pair of nippers or an equivalent tool. 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. Slit Fig. 10-3-16 Auxiliary pipes Indoor unit Connecting cable u Left-hand connection with piping Bend the connecting pipes so that they are positioned within 43 mm above the wall surface. If the connecting pipes are positioned more than 43 mm above the wall surface, the indoor unit may be unstable. When bending the connecting pipe, make sure to use a spring bender to avoid crushing the pipe. Installation plate Fig. 10-3-18 · Carefully arrange the pipes so that none of the pipes 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 condensation can result in machine performance trouble, be sure to insulate both connecting pipes. (Use polyethylene foam as insulating material. ) · When bending a pipe, be careful not to crush it. Refer to the table below for the bending radius of each connection pipe. Outer diameter 6. 35 mm 9. 52 mm 12. 7 mm Bending radius 30 mm 40 mm 50 mm Connect the pipe after installation of the unit (figure) (To the front flare) 270 mm 230 mm Gas side Liquid side R30 or less (Dia. 12. 7) Make sure to use a spring bender to avoid crushing the pipe. 43 mm Outward form of indoor unit Use a screwdriver handle, etc. Fig. 10-3-17 NOTE If the pipe is incorrectly bent, the indoor unit may be unstable on the wall. After passing the connecting pipe through the pipe hole, connect the connecting pipe to the auxiliary pipes and wrap the facing tape around them. ­ 83 ­ 10-3-6. Pass the pipe through the hole in the wall, and hook the indoor unit on the installation plate at the upper hooks. Swing the indoor unit to right and left to confirm that it is firmly hooked on the installation plate. While pushing the indoor unit onto the wall, hook it at the lower part on the installation plate. Pull the indoor unit toward you to confirm that it is firmly hooked on the installation plate. Pull the connecting cable through the cable slot on the rear panel so that it protrudes about 15 cm out of the front. 10-3-7. Run the drain hose at a downward sloped angle. NOTE · Hole should be made at a slight downward slant on the outdoor side. Do not rise the drain hose. Do not form the drain hose into the waved shape. 50 mm or more 1 Hook here [1] Installation plate Do not put the drain hose end into water. Do not put the drain hose end in the drainage ditch. Fig. 10-3-19 · For detaching the indoor unit from the installation plate pull the indoor unit toward you while pushing the bottom up at the specified places. 2. Put water in the drain pan and make sure that the water is being drained outside. When connecting extension drain hose, insulate the connection part of extension drain hose with shield pipe. Shield pipe Drain hose Inside the room Extension drain hose Fig. [. . . ] Switch Ass'y Micro Clamp, Cord Location No. 4306V206 4306V207 4306V208 4306V209 Description P board Ass'y, . C. M18PKVP-E, -ND ­ 130 ­ 13-3. Outdoor Unit 4 42 6 35 23 24 44 33 34 50 36 25 39, 40 43 32 52 12, 45, 47 13, 46, 48 15, 18, 21 14, 17, 20 16, 19, 22 49 27 30 50 9 1 37 2 38 7 5 8 3 29 28 10 31 ­ 131 ­ The parts in the following parts list are conformed to RoHS. [. . . ]