User manual TOSHIBA RAS-24GKHP-ES2 SERVICE MANUAL

[. . . ] SVM-06020 SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE RAS-24GKHP-ES2 / RAS-24GAH-ES2 RAS-18GKHP-ES2 / RAS-18GAH-ES2 RAS-24GKP-ES2 / RAS-24GA-ES2 RAS-18GKP-ES2 / RAS-18GA-ES2 18 Class 24 Class May, 2006 FILE NO. SPECIFICATIONS CONSTRUCTION VIEWS 2-1 2-2 2-3 Indoor Unit Outdoor Unit (24 Class) Outdoor Unit (18 Class) RAS-24GKHP-ES2 / RAS-24GAH-ES2 RAS-18GKHP-ES2 / RAS-18GAH-ES2 RAS-24GKP-ES2 / RAS-24GA-ES2 RAS-18GKP-ES2 / RAS-18GA-ES2 Indoor Unit (RAS-24GKHP-ES2, RAS-18GKHP-ES2) Outdoor Unit (RAS-24GAH-ES2) Outdoor Unit (RAS-18GAH-ES2) Indoor Unit (RAS-24GKP-ES2, RAS-18GKP-ES2) Outdoor Unit (RAS-24GA-ES2) Outdoor Unit (RAS-18GA-ES2) RAS-24GKHP-ES2 / RAS-24GAH-ES2 RAS-18GKHP-ES2 / RAS-18GAH-ES2 RAS-24GKP-ES2 / RAS-24GA-ES2 RAS-18GKP-ES2 / RAS-18GA-ES2 RAS-B18NKPX / RAS-18N2AX RAS-24GKHP-ES2, RAS-18GKHP-ES2 RAS-24GKP-ES2, RAS-18GKP-ES2 Outline of Air Conditioner Control Description of Operation Circuit Hi POWER Mode High-Temperature Limit Control Low-Temperature Limit Control Defrosting Operation Auto Restar t Function Filter Check Lamp Self-Cleaning function QUIET Mode COMFORT SLEEP mode 3. WIRING DIAGRAM 3-1 3-2 3-3 3-3 4. SPECIFICATION OF ELECTRICAL PARTS 4-1 4-2 4-3 4-4 4-5 4-5 5. REFRIGERATION CYCLE DIAGRAM 5-1 5-2 5-3 5-4 5-4 6. CONTROL BLOCK DIAGRAM 6-1 6-2 7. OPERATION DESCRIPTION 7-1 7-2 7-3 7-4 7-5 7-6 7-7 7-8 7-9 7-10 7-11 -1- FILE NO. SVM-06020 8. INSTALLATION PROCEDURE 8-1 8-2 8-3 8-4 8-5 8-6 8-7 Safety Cautions Installation Diagram of Indoor and Outdoor Units Installation Indoor Unit Outdoor Unit How to Set Remote Control Selector Switch Others Troubleshooting Procedure Basic Check Items Primary Judgement Self-Diagnosis by Remote Control (Check Code) How to Diagnose Faulty Part Troubleshooting for Indoor Unit Troubleshooting for Wiring (Interconnect cable and Serial Signal Wire) Troubleshooting for P. C. Board Troubleshooting for Remote Control 9. TROUBLESHOOTING CHART 9-1 9-2 9-3 9-4 9-5 9-6 9-7 9-8 9-9 10. [. . . ] · 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. - 40 - FILE NO. Swing the indoor unit to right and left to confirm that · Hole should be made at a slight downward slant on it is firmly hooked up on the installation plate. While pressing the indoor unit onto the wall, hook it Do not form the at the lower part on the installation plate. indoor unit toward you to confirm that it is firmly hooked up on the installation plate. Hook here 1 50 mm or more 1 Installation plate Do not put the drain hose end into water. Do not put the drain hose end in the drainage ditch. 2 Hook Fig. 8-4-13 · For detaching the indoor unit from the installation plate, pull the indoor unit toward you while pressing its bottom up at the specified parts. 2. Put water in the drain pan and make sure that the water is drained out of doors. When connecting extension drain hose, insulate the connecting part of extension drain hose with shield pipe. Shield pipe Drain hose Inside the room Extension drain hose Press Press Press (unhook) Fig. 8-4-14 CAUTION Arrange the drain pipe for proper drainage from the unit. This air conditioner has the structure designed to drain water collected from dew, which forms on the back of the indoor unit, to the drain pan. Therefore, do not store the power cord and other parts at a height above the drain guide. Wall Drain guide Space for pipes Fig. Installation place · A place which provides the spaces around the outdoor unit as shown in the installation diagram of indoor and outdoor unit. · A place which can bear the weight of the outdoor unit and does not allow an increase in noise level and vibration. · A place where the operation noise and discharged air do not disturb your neighbors. · When the outdoor unit is to be installed in an elevated position, be sure to secure its feet. (Refer to the table of TO CHARGE REFRIGERANT for detail. ) · An allowable height level is up to 8 m. · A place where the drain water does not raise any problem. 8-5-2. Cut the pipe with a pipe cutter. Obliquity Roughness Warp 90° Fig. · Projection margin in flaring : A (Unit : mm) A Die Pipe Fig. Install the outdoor unit without anything blocking the air discharging. [. . . ] 1) Perform the common procedure 1 2) Disconnect the lead wires from the P. C. 3) Remove P. C. Board after unhooking 4 clams. Running capacitor for fan motor P. C. Board 3 Running capacitor for compressor Transformer 4 Magnetic contactor Heat pump model Running capacitor for fan motor Magnetic contactor 5 Transformer (Heat pump model) Spark killer 6 P. C. Board (Heat pump model) 7 1) Perform the common procedure 1 Spark killer (Cooling only model) 2) Remove the fixing screw. [. . . ]