User manual TOSHIBA RAS-07UAH-E4 SERVICE MANUAL

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[. . . ] SVM-05001-1 SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE RAS-13UKHP-E4 / RAS-13UAH-E4 RAS-10UKHP-E4 / RAS-10UAH-E4 RAS-07UKHP-E4 / RAS-07UAH-E4 RAS-13UKP-E4 / RAS-13UA-E4 RAS-10UKP-E4 / RAS-10UA-E4 RAS-07UKP-E4 / RAS-07UA-E4 RAS-13UKPX4 / RAS-13UAX4 RAS-10UKPX4 / RAS-10UAX4 RAS-07UKPX4 / RAS-07UAX4 RAS-12UKPX4 / RAS-12UAX4 Revised Aug, 2005 FILE NO. SPECIFICATIONS CONSTRUCTION VIEWS 2-1 2-2 2-3 Indoor Unit Outdoor Unit (RAS-13UAH-E4, RAS-10UAH-E4, RAS-13UA-E4, RAS-10UA-E4, RAS-13UAX4, RAS-10UAX4, RAS-12UAX4) Outdoor Unit (RAS-07UAH-E4, RAS-07UA-E4, RAS-07UAX4) RAS-13UKHP-E4 / RAS-13UAH-E4 RAS-10UKHP-E4 / RAS-10UAH-E4 RAS-07UKHP-E4 / RAS-07UAH-E4 RAS-13UKP-E4 / RAS-13UA-E4 RAS-10UKP-E4 / RAS-10UA-E4 RAS-07UKP-E4 / RAS-07UA-E4 RAS-13UKPX4 / RAS-13UAX4 RAS-12UKPX4 / RAS-12UAX4 RAS-10UKPX4 / RAS-10UAX4 RAS-07UKPX4 / RAS-07UAX4 3. WIRING DIAGRAM 3-1 3-2 3-3 3-4 3-5 3-6 3-7 4. SPECIFICATION OF ELECTRICAL PARTS Indoor Unit (RAS-13UKHP-E4, RAS-10UKHP-E4, RAS-07UKHP-E4) Outdoor Unit (RAS-13UAH-E4) Outdoor Unit (RAS-10UAH-E4) Outdoor Unit (RAS-07UAH-E4) Indoor Unit (RAS-13UKP-E4, RAS-10UKP-E4, RAS-07UKP-E4, RAS-13UKPX4) RAS-10UKPX4, RAS-12UKPX4, RAS-07UKPX4) 4-6 Outdoor Unit (RAS-13UA-E4) 4-7 Outdoor Unit (RAS-13UAX4, RAS-12UAX4) 4-8 Outdoor Unit (RAS-10UA-E4, RAS-10UAX4) 4-9 Outdoor Unit (RAS-07UAX4) 4-10 Outdoor Unit (RAS-07UA-E4) 4-1 4-2 4-3 4-4 4-5 5. REFRIGERATION CYCLE DIAGRAM 5-1 5-2 5-3 5-4 5-5 5-6 RAS-13UKHP-E4 / RAS-13UAH-E4 RAS-10UKHP-E4 / RAS-10UAH-E4 RAS-07UKHP-E4 / RAS-07UAH-E4 RAS-13UKP-E4 / RAS-13UA-E4, RAS-13UKPX4 / RAS-13UAX4, RAS-12UKPX4 / RAS-12UAX4 RAS-10UKP-E4 / RAS-10UA-E4, RAS-10UKPX4 / RAS-10UAX4 RAS-07UKP-E4 / RAS-07UA-E4, RAS-07UKPX4 / RAS-07UAX4 RAS-13UKHP-E4 / RAS-13UAH-E4, RAS-10UKHP-E4 / RAS-10UAH-E4, RAS-07UKHP-E4 / RAS-07UAH-E4 RAS-13UKP-E4 / RAS-13UA-E4, RAS-10UKP-E4 / RAS-10UA-E4, RAS-07UKP-E4 / RAS-07UA-E4, RAS-13UKPX4 / RAS-13UAX4, RAS-07UKPX4 / RAS-07UAX4, RAS-12UKPX4 / RAS-12UAX4 -1- 6. CONTROL BLOCK DIAGRAM 6-1 6-2 FILE NO. OPERATION DESCRIPTION 7-1 7-2 7-3 7-4 7-5 7-6 7-7 7-8 7-9 7-10 7-11 7-12 Outline of Air Conditioner Control Description of Operation Circuit Hi POWER Mode High-Temperature Limit Control Low-Temperature Limit Control Defrost Operation Current Limit Control Auto Restart Function Filter Check Lamp Self-Cleaning function QUIET Mode COMFORT SLEEP mode 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) Troubleshooting Flowcharts Troubleshooting for Remote Control 9. TROUBLESHOOTING CHART 9-1 9-2 9-3 9-4 9-5 9-6 10. PART REPLACEMENT 10-1 Indoor Unit 10-2 Outdoor Unit 11. [. . . ] of copper pipe 6. 35 9. 52 12. 70 Tightening torque 16 to 18 (1. 6 to 1. 8 kgf·m) 30 to 42 (3. 0 to 4. 2 kgf·m) 50 to 62 (5. 0 to 6. 2 kgf·m) 90° Fig. Insert a flare nut into the pipe, and flare the pipe. · Projection margin in flaring : A (Unit : mm) A · Tightening torque of flare pipe connections The operating pressure of R410A is higher than that of R22. It is therefore necessary to firmly tighten the flare pipe connecting sections (which connect the indoor and outdoor units) up to the specified tightening torque. Incorrect connections may cause not only a gas leakage, but also damage to the refrigerant cycle. Flare at indoor unit side Die Pipe Fig. of copper pipe 6. 35 9. 52 12. 70 A Rigid 0. 5 to 1. 0 0. 5 to 1. 0 0. 5 to 1. 0 Imperial 1. 0 to 1. 5 1. 0 to 1. 5 1. 5 to 2. 0 Flare at outdoor unit side Fig. 8-5-4 <Tightening connection> Align the centers of the connecting pipes and tighten the flare nut as far as possible with your fingers. Then tighten the nut with a spanner and torque wrench as shown in the figure. Mark line CAUTION · Do not apply excess torque. · Otherwise, the nut may crack depending on the conditions. Half union Fig. 8-5-5 Flare nut Externally threaded side Internally threaded side Use a wrench to secure. Use a torque wrench to tighten. Fig. 8-5-6 CAUTION · KEEP IMPORTANT 4 POINTS FOR PIPING WORK (1) Take away dust and moisture (Inside of the connecting pipes. ) (2) Tight connection (between pipes and unit) (3) Evacuate the air in the connecting pipes using VACUUM PUMP. (4) Check gas leak (connected points) - 53 - FILE NO. Evacuating After the piping has been connected to the indoor unit, you can perform the air purge together at once. AIR PURGE Evacuate the air in the connecting pipes and in the indoor unit using a vacuum pump. Do not use the refrigerant in the outdoor unit. For details, see the manual of the vacuum pump. <Using a vacuum pump> Be sure to use a vacuum pump with counter-flow prevention function so that inside oil of the pump does not flow backward into pipes of the air conditioner when the pump stops. Connect the charge hose from the manifold valve to the service port of the gas side packed valve. Connect the charge hose to the port of the vacuum pump. Open fully the low pressure side handle of the gauge manifold valve. Operate the vacuum pump to start evacuating. Perform evacuating for about 15 minutes if the piping length is 20 meters. [. . . ] 43T00368 43T03308 43T03329 43T09318 43T62311 43T20307 43T21341 43T47001 43T41352 43T46311 43T00347 43T47331 Description FRONT CABINET ASSEMBLY BACK CABINET ASSEMBLY BASE GUARD FAN ELECTRIC PART COVER FAN PROPELLER MOTOR;FAN NUT FLANGE CONDENSER ASSEMBLY VALVE;PACKED 6. 35 DIA VALVE;PACKED 9. 52 DIA BONNET, 6. 35 DIA Location No. 13 14 15 16 17 18 19 20 21 22 23 24 Part No. 43T47332 43T63303 43T47011 43T41316 43T47325 43T49001 43T52310 43T00395 43T55305 43T55314 43T60322 43T54303 Description BONNET, 9. 52 DIA FIXING PLATE VALVE CAPILLARY TUBE; 1. 5DIA COMPRESSOR BOLT COMPRESSOR (M6) CUSHION, RUBBER PACKED VALVE COVER ASSEMBLY UPPER CABINET ASSEMBLY CAPACITOR, PLASTIC FILM CAPACITOR, PLASTIC FILM TERMINAL-2P RELAY;OVERLOAD - 87 - FILE NO. Outdoor Unit (RAS-13UAX4, RAS-12UAX4) Location No. [. . . ]

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