User manual TOSHIBA RAS-M18GAV-E SERVICE MANUAL

[. . . ] A05-009 SERVICE MANUAL SPLIT TYPE <Heat Pump Type> Indoor Unit <Cooling OnlyType> Indoor Unit RAS-B10GKVP-E RAS-M10GKCVP-E RAS-B13GKVP-E RAS-M13GKCVP-E RAS-B16GKVP-E RAS-M16GKCVP-E Outdoor Unit Outdoor Unit RAS-M14GAV-E RAS-M18GAV-E RAS-M14GACV-E RAS-M18GACV-E R410A PRINTED IN JAPAN, Nov. , 2005 ToMo CONTENTS 1. SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . REFRIGERANT R410A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Piping and Drain Hose Installation Piping and drain hose forming · Since condensation results in machine trouble, make sure to insulate both the connecting pipes separately. (Use polyethylene foam as insulating material. ) Rear right Cord clamp Left Terminal block Bottom right Right Earth wire Connecting cable Fig. Die-cutting front panel slit Cut out the slit on the left or right side of the front panel for the left or right connection and the slit on the bottom left or side of thefront panel for the bottom left or right connection with a pair of nippers. Changing drain hose For left connection, left-bottom connection and rear-left connection's piping, it is necessary to relocate the drain hose and drain cap. Fig. 10-3-7 How to remove the drain cap Clip drain cap with needle-nose pliers, and pull out. Connecting cable About 15 cm Fig. 10-3-11 How to remove the drain hose The drain hose is secured in place by a screw. Remove the screw securing the drain hose, then pull out the drain hose. 10 mm 50 mm Fig. 10-3-12 ­ 63 ­ Die-cutting Front panel slit Bottom left Drain hose Changing drain hose Rear left Piping preparation Screw Screw How to attach the drain cap 1. Insert hexagonal wrench (4 mm). In case of bottom right or bottom left piping · 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. Slit 4 mm Fig. 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. No gap Do not apply lubricating oil (refrigerant machine oil) when inserting the drain cap. If applied, deterioration and drain leakage of the drain plug may occur. Insert a hexagon wrench (Ø4mm) Refer to the table below for the bending radius of each connection pipe. Outer diameter 6. 35 mm Bending radius 30 mm 40 mm 50 mm Fig. 10-3-14 How to attach the drain hose Always use the original screw that secured the drain hose to the unit. Insert the drain hose firmly until the connector contacts with the insulation, then secure it in place using the original screw. 9. 52 mm 12. 7 mm To connect the pipe after installation of the unit (figure) (To the front flare) 220 mm Gas side CAUTION Securely insert the drain hose and drain cap; otherwise, water may leak. 170 mm Liquid side R30 or less (Ø6. 35), R40 or less (Ø9. 7) Use polishing (polyethylene core or the like for bending pipe). 43 mm In case of right or left piping · 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. Outward form of indoor unit Use a screwdriver handle, etc. Fig. 10-3-15 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. ­ 64 ­ 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 Installation plate Connecting cable 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 Fig. 10-3-18 · Carefully arrange the pipes so that none of the pipes stick out of the rear plate of the indoor unit. [. . . ] (within 20cm from the outdoor unit base plate) * Be careful that the cord heater does not hit the fan. Drill a hole on the side cabinet (R) for fixing the thermostat fixing plate. 2-2 PVC tube Ø9. 1 P-shape clamp Heating part Enlarged marked part Added hole 2-5 5 46 7 Ø5 hole at two positions When drilling a hole on the side cabinet (R), be sure not to damage the cabinet. 2-3 Side cabinet (R) Appendix-6 Appendix No. Photo / Explanatory diagram Side cabinet (L) Procedure Rework the side cabinet (L) to remove part of it. The area to be removed is indicated by the shaded lines in the left figure. [. . . ]