FILE NO. SVM-12085 Original instruction Adoption of New Refrigerant This Air Conditioner is a new type which adopts a new refrigerant HFC (R410A) instead of the conventional refrigerant R22 in order to prevent destruction of the ozone layer. CONTENTS SAFETY CAUTION ........3 1.
Toshiba Carrier Corporation or, alternatively, he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work.
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FILE NO. SVM-12085 Definition of Protective Gear When the air conditioner is to be transported, installed, maintained, repaired or removed, wear protective gloves and “safety” work clothing. In addition to such normal protective gear, wear the protective gear described below when undertaking the special work detailed in the table below.
FILE NO. SVM-12085 Warning Indications on the Air Conditioner Unit [Confirmation of warning label on the main unit] Confirm that labels are indicated on the specified positions If removing the label during parts replace, stick it as the original. Warning indication Description WARNING WARNING...
FILE NO. SVM-12085 Precaution for Safety The manufacturer shall not assume any liability for the damage caused by not observing the description of this manual. DANGER Before carrying out the installation, maintenance, repair or removal work, be sure to set the circuit breaker to the OFF position.
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FILE NO. SVM-12085 WARNING Use wiring that meets the specifications in the Installation Manual and the stipulations in the local regulations and laws. Use of wiring which does not meet the specifications may give rise to electric shocks, electrical leakage, smoking and/or a fire.
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FILE NO. SVM-12085 The refrigerant used by this air conditioner is the R410A. Check the used refrigerant name and use tools and materials of the parts which match with it. For the products which use R410A refrigerant, the refrigerant name is indicated at a position on the outdoor unit where is easy to see.
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FILE NO. SVM-12085 Once the repair work has been completed, check for refrigerant leaks, and check the insulation resistance and water drainage. Then perform a trial run to check that the air conditioner is running properly. After repair work has finished, check there is no trouble. If check is not executed, a fire, electric shock or injury may be caused.
FILE NO. SVM-12085 Specifications Sound power level (dBA) Model Weight (kg) Cooling Heating RAV-SP404ATP-E RAV-SP454ATP-E RAV-SP564ATP-E RAV-SP564ATJP-E RAV-SP804ATP-E RAV-SP804ATJP-E Under 70 dBA – 11 – SVM-12085_001-050.indd 11 SVM-12085_001-050.indd 11 12/06/12 11:06 AM 12/06/12 11:06 AM...
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FILE NO. SVM-12085 New Refrigerant (R410A) This air conditioner adopts a new HFC type refrigerant (R410A) which does not deplete the ozone layer. 1. Safety Caution Concerned to New Refrigerant The pressure of R410A is high 1.6 times of that of the former refrigerant (R22). Accompanied with change of refrigerant, the refrigerating oil has been also changed.
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FILE NO. SVM-12085 4. Tools 1. Required Tools for R410A Mixing of different types of oil may cause a trouble such as generation of sludge, clogging of capillary, etc. Accordingly, the tools to be used are classified into the following three types. 1) Tools exclusive for R410A (Those which cannot be used for conventional refrigerant (R22)) 2) Tools exclusive for R410A, but can be also used for conventional refrigerant (R22) 3) Tools commonly used for R410A and for conventional refrigerant (R22)
FILE NO. SVM-12085 1. SPECIFICATIONS 1-1. Outdoor Unit <Super Digital Inverter> Model name Outdoor unit RAV-SP 404ATP 454ATP 564ATP 804ATP 1 phase 220-240V 50Hz Power supply (Power exclusive to outdoor is required.) Type Hermetic compressor Compressor Motor (kW) Pole Refrigerant charged (kg) Refrigerant control Pulse motor valve...
FILE NO. SVM-12085 3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM 3-1. Indoor Unit Single type (Combination of 1 indoor unit and 1 outdoor unit) (Indoor unit) Distributor (Strainer incorporated) TCJ sensor Strainer Air heat exchanger TC sensor Heating Cooling Refrigerant pipe Refrigerant pipe at liquid side at gas side (Outer dia : ØB)
FILE NO. SVM-12085 5. SPECIFICATIONS OF ELECTRICAL PARTS RAV-SP40 , SP45 , SP56 Parts name Type Specifications 40, 45 : DA150A1F-20F Compressor 3 phase, 4P, 1100 W 56 : DA150A1F-21F Fan motor ICF-140-43-4R Output 43 W 4-way valve coil STF-H01AJ1872A1 PMV coil CAM-MD12TCTH-5 P.C.
FILE NO. SVM-12085 6. REFRIGERANT R410A This air conditioner adopts the new refrigerant HFC 6. When an air conditioning system charged with a (R410A) which does not damage the ozone layer. large volume of refrigerant is installed in a small room, it is necessary to exercise care so that, The working pressure of the new refrigerant R410A even when refrigerant leaks, its concentration...
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FILE NO. SVM-12085 Table 6-2-1 Thicknesses of annealed copper pipes Thickness (mm) Nominal diameter Outer diameter (mm) 12.7 15.9 1. Joints For copper pipes, flare joints or socket joints are used. Prior to use, be sure to remove all contaminants. a) Flare Joints Flare joints used to connect the copper pipes cannot be used for pipings whose outer diameter exceeds 20 mm.
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FILE NO. SVM-12085 c) Insertion of Flare Nut d) Flare Processing Make certain that a clamp bar and copper pipe have been cleaned. By means of the clamp bar, perform the flare processing correctly. Use either a flare tool for R410A or conventional flare tool. ØD Flare processing dimensions differ according to the type of flare tool.
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FILE NO. SVM-12085 Fig. 6-2-2 Relations between flare nut and flare seal surface 2. Flare Connecting Procedures and Precautions a) Make sure that the flare and union portions do not have any scar or dust, etc. b) Correctly align the processed flare surface with the union axis. c) Tighten the flare with designated torque by means of a torque wrench.
FILE NO. SVM-12085 6-3. Tools 6-3-1.Required Tools Refer to the “4. Tools” (Page 13) 6-4. Recharging of Refrigerant When it is necessary to recharge refrigerant, charge the specified amount of new refrigerant according to the following steps. Recover the refrigerant, and check no refrigerant remains in the equipment.
FILE NO. SVM-12085 1) Be sure to make setting so that liquid can be charged. 2) When using a cylinder equipped with a siphon, liquid can be charged without turning it upside down. It is necessary for charging refrigerant under condition of liquid because R410A is mixed type of refrigerant. Accordingly, when charging refrigerant from the refrigerant cylinder to the equipment, charge it turning the cylinder upside down if cylinder is not equipped with siphon.
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FILE NO. SVM-12085 2. Characteristics required for flux 6-5-3. Brazing Activated temperature of flux coincides with As brazing work requires sophisticated techniques, the brazing temperature. experiences based upon a theoretical knowledge, it must be performed by a person qualified. Due to a wide effective temperature range, flux is hard to carbonize.
Operation System In the concurrent twin system, when TOSHIBA- ∗ Pipe diameter and thickness (mm) specified branching pipe is used, it can be reused. Branching pipe model name: RBC-TWP30E-2.
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FILE NO. SVM-12085 6-6-5. Final Installation Checks Existing pipe: NO ∗ Use a new pipes. Is there no scratch or dent on the existing pipes? Is it possible to operate the existing air conditioner? ∗ After the existing air conditioner operated in cooling mode for approx.
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FILE NO. SVM-12085 6-6-6. Handling of Existing Pipe RAV-SP804ATP To use an existing Ø19.1 mm pipe, set bit 3 of When using the existing pipe, carefully check it for SW802 (switch for existing pipe) on the P.C. board the following: of the outdoor unit to ON.
FILE NO. SVM-12085 6-7. Replenishing refrigerant In order to assure the reliability of the appliance, the amount of refrigerant to be replenished shall be subject to the following restrictions. Follow the margin of excess replenished refrigerant, which is equivalent to the current R22.
FILE NO. SVM-12085 7. OUTDOOR CONTROL CIRCUIT 7-1. Outdoor Controls 1. PMV (Pulse Motor Valve) control 1) PMV is controlled between (SP40 to SP56: 20 to 500, SP80: 30 to 500) pulsed during operation. 2) In cooling operation, PMV is usually controlled with the temperature difference between TS sensor and TC sensor aiming (SP40 to SP56: 2 to 5K, SP80: 1 to 4K) as the target value.
FILE NO. SVM-12085 3. Outdoor fan control Revolution frequency allocation of fan taps [rpm] SP40 to SP56 SP80 3-1) Cooling fan control <SP40 to SP56> <SP80> The outdoor fan is controlled by TE sensor, TO The outdoor fan is controlled by TL sensor, TO sensor and the operation frequency.
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FILE NO. SVM-12085 3-2) Heating fan control The outdoor fan is controlled by TE sensor, TO sensor and the operation frequency. (Control from minimum W1 to maximum (according to the following table)) For 3 minutes after the operation has started, the maximum fan tap corresponding to the zone in the following table is fixed and then the fan is controlled by temperature of TE sensor.
FILE NO. SVM-12085 <SP40 to SP56> Power-ON condition TD < 30˚C TE [˚C] (Normal time) No power –1 Continuous power-ON –6 Output [10W or equivalent] –7 Continuous power-ON Output [20W or equivalent] <SP80> Power-ON condition TD < 30˚C Power-ON condition TD < 30˚C 18˚C 20˚C No power...
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FILE NO. SVM-12085 7. Current release value shift control 1) This control purposes to prevent troubles of Current release control value ( 1) the electronic parts such as the compressor driving elements and the compressor during cooling operation. Temperature range SP40 to SP56 SP80 50°C ≤...
FILE NO. SVM-12085 10. Defrost control <SP40 to SP56 only> 1) In heating operation, defrost operation is performed when TE sensor satisfies any condition in A zone to D zone. 2) During defrosting operation, it finishes if TE sensor continued 12°C or continued 5°C ≤ TE < 12°C for 80 seconds.
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FILE NO. SVM-12085 <SP80 only> 1) In heating operation, defrost operation is performed when TE sensor satisfies any condition in A zone to D zone. 2) During defrosting operation, it finishes if TE sensor continued 12°C or higher for 3 seconds or continued 7°C ≤...
FILE NO. SVM-12085 8. TROUBLESHOOTING 8-1. Summary of Troubleshooting <Wired remote controller type> 1. Before troubleshooting 1) Required tools/instruments – screwdrivers, spanners, radio cutting pliers, nippers, push pins for reset switch Tester, thermometer, pressure gauge, etc. 2) Confirmation points before check a) The following operations are normal.
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FILE NO. SVM-12085 <Wireless remote controller type> 1. Before troubleshooting 1) Required tools/instruments – screwdrivers, spanners, radio cutting pliers, nippers, etc. Tester, thermometer, pressure gauge, etc. 2) Confirmation points before check a) The following operations are normal. 1. Compressor does not operate. Is not 3-minutes delay (3 minutes after compressor OFF)? Is not the outdoor unit in standby status though the remote controller reached the setup temperature?
FILE NO. SVM-12085 8-2. Troubleshooting 8-2-1. Outline of judgment The primary judgment to check whether a trouble occurred in the indoor unit or outdoor unit is carried out with the following method. Method to judge the erroneous position by flashing indication on the display part of the indoor unit (sensors of the receiving part) The indoor unit monitors the operating status of the air conditioner, and the blocked contents of self-diagnosis are displayed restricted to the following cases if a protective circuit works.
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FILE NO. SVM-12085 8-2-2. Others (Other than Check Code) Lamp indication Check code Cause of trouble occurrence Operation Timer Ready — During test run Simultaneous flash Operation Timer Ready Disagreement of cool/heat — (Automatic cool/heat setting to automatic cool/heat prohibited model, or setting of heating to cooling-only model) Alternate flash –...
FILE NO. SVM-12085 Error mode detected by indoor unit Operation of diagnostic function Judgment and measures Check Status of Cause of operation Condition code air conditioner 1. Check cables of remote controller and communication adapters. No communication from remote Stop Displayed when controller (including wireless) and Remote controller LCD display OFF (Disconnection)
FILE NO. SVM-12085 Error mode detected by remote controller or central controller (TCC-LINK) Operation of diagnostic function Judgment and measures Status of Check code Cause of operation Condition air conditioner Power supply error of remote controller, Indoor EEPROM error 1. Check remote controller inter-unit wiring. No communication with master indoor unit 2.
FILE NO. SVM-12085 Error mode detected by outdoor unit Operation of diagnostic function Check code Judgment and measures Indoor unit Status of Cause of operation Condition air conditioner after 4 series 1. Check discharge temp. sensor (TD). Disconnection, short-circuit of Displayed when F04 ∗...
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FILE NO. SVM-12085 Operation of diagnostic function Check code Judgment and measures Indoor unit Status of Cause of operation Condition air conditioner after 4 series 1. Check refrigerating cycle (Gas leak) Discharge temp. error Displayed when P03 ∗ ∗ Discharge temp. (TD) detected Stop 2.
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FILE NO. SVM-12085 <In case of SP40 to SP56> 8-2-3. Diagnostic Procedure for Each Check Code (Outdoor Unit) 1) This section describes the diagnostic method for each check code displayed on the wired remote controller. 2) When “APPLICATION CONTROL KIT” (TCB-PCOS1E2) sold separately is connected, the error contents can be judged by LED on the APPLICATION CONTROL KIT.
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FILE NO. SVM-12085 <In case of SP40 to SP56> Check APPLICATION CONTROL KIT Check / Countermeasures code LED display (Part without special mention indicates a part of the outdoor unit.) [F08] [Outside temp. sensor (TO) error] (Red) (Yellow) (Yellow) (Yellow) Is connection of CN602 correct? Correct connector.
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FILE NO. SVM-12085 <In case of SP40 to SP56> Check APPLICATION CONTROL KIT Check / Countermeasures code LED display (Part without special mention indicates a part of the outdoor unit.) [H03] [Power supply error, Current detection circuit error] (Red) (Yellow) (Yellow) (Yellow) Are connections of wires correct? Between power cable and terminal block Correct wires...
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FILE NO. SVM-12085 <In case of SP40 to SP56> Check APPLICATION CONTROL KIT Check / Countermeasures code LED display (Part without special mention indicates a part of the outdoor unit.) [P19] — [4-way reversal error] Does 4-way valve work correctly? (Check pipe temperature, etc.
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FILE NO. SVM-12085 <In case of SP80> 8-2-4. Diagnostic Procedure for Each Check Code (Outdoor Unit) 1) This section describes the diagnostic method for each check code displayed on the wired remote controller. 2) In some cases, a check code indicates multiple symptoms. In this case, confirm LED display on the outdoor P.C.
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FILE NO. SVM-12085 <In case of SP80> Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [F04] <Display 1> <Display 2> [Discharge temp. sensor (TD) error] Is connection of CN603 correct? Correct connector. Sensor error →...
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FILE NO. SVM-12085 <In case of SP80> Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [F08] <Display 1> <Display 2> [Outside temp. sensor (TO) error] Is connection of CN602 correct? Correct connector. Sensor error →...
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FILE NO. SVM-12085 <In case of SP80> Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [H01] <Display 1> <Display 2> [Compressor break down] Is AC mains voltage correct? Correct power supply line. AC198 to 264V Is wire connection correct? Compressor lead...
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FILE NO. SVM-12085 <In case of SP80> Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [H04] <Display 1> <Display 2> [Case thermostat operation] Are CN609 connection and Correct connector. Case thermostat error → Replace case thermostat correct? Check outdoor P.C.
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FILE NO. SVM-12085 <In case of SP80> Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) ∗ There is a possibility that it is one of the following errors. [L29] Confirm LED on outdoor P .C. board to judge which error it is. Communication error between MCU, Heat sing temp.
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FILE NO. SVM-12085 <In case of SP80> Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [P03] <Display 1> <Display 2> [Discharge temp. error] Repair defective position. Is there gas leak? Is there refrigerant shortage? Recharge refrigerant.
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FILE NO. SVM-12085 <In case of SP80> Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [P07] <Display 1> <Display 2> [Heat sink overheat error] Are the power devices on P.C. board screwed without looseness? (Rear sides of Q201, Q300, Q650, DB01, DB02) Are radiation grease properly applied? (Q201, Q650, DB01, DB02)
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FILE NO. SVM-12085 <In case of SP80> Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [P19] <Display 1> <Display 2> [4-way valve reversal error] Temperature sensor check Does 4-way valve TE sensor CN601 work correctly? TS sensor CN600 (Check pipe temp.
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FILE NO. SVM-12085 <In case of SP80> Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [P20] <Display 1> <Display 2> [High pressure protective operation] Is service valve Open service valve fully. fully opened? Reset the power supply and then perform test run...
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FILE NO. SVM-12085 <In case of SP80> Check Outdoor Check and troubleshooting code LED display (Item without special mention Indicates part of outdoor unit.) [P22] <Display 1> <Display 2> [Fan system error] Is AC mains voltage correct? Check wiring construction. (198 to 264V) Ask repair of power supply.
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FILE NO. SVM-12085 8-2-5. Diagnostic Procedure for Each Check Code (Outdoor Unit) Temperature sensor Temperature – Resistance value characteristic table TA, TC, TCJ, TE, TS, TO sensors TD, TL sensors Representative value Representative value Resistance value (kΩ Ω Ω Ω Ω ) Resistance value (kΩ...
FILE NO. SVM-12085 8-3. Table Inspection of outdoor unit main parts Parts name Checking procedure Compressor Measure the resistance value of each winding by using the tester. (Model : DA150A1F-20F) Position Resistance value Red – White 0.93 Ω White – Black White Black Black –...
FILE NO. SVM-12085 9. OTHERS 9-1. Refrigerant Recovery Control The “ozone destruction coefficient” of HFC refrigerant is 0 and the discharge regulation is set as anathermal effect gas. To this model, a switch which can perform the refrigerant recovery (pump down) by the outdoor unit is mounted so that it is easy to react against the environment at reinstalling or rejection time.
FILE NO. SVM-12085 9-2. Various Setting on Outdoor Unit (Existing piping, Power save, Cooling-only, etc.) The following settings are available by DIP switch setup and jumper line setup. <SP40 to SP56> Function Setting position Control contents Existing piping SW801 Turn off the switches. (Ø19.1 existing pipes cannot be used.) setup When using the power saving function, turn on switches.
FILE NO. SVM-12085 9-3. Service Support Function (LED Display, Switch Operation) <SP80 only> 1. Outline A various setup and operation check can be performed by DIP switches at 3 positions (SW802, SW803, SW804) and the pushdown button switches (SW800, SW801) at 2 positions. Operation part Part No.
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FILE NO. SVM-12085 2. Selection of LED display (SW800, SW803 operation) 1) Display selection list The displayed contents of LED D800 to D804 on the outdoor control P .C. board can be exchanged by operation of SW803. Switch Function / Contents Refer Error display (Error generating at present) Refer to...
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FILE NO. SVM-12085 2) Error display The error which is generating at present and the latest error (Latest error information including present) can be confirmed by lighting LED D800 to D804 on the outdoor control P .C. board. a) When all DIP switch SW803 are OFF, the status of error which is generating at present is displayed. b) <1>...
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FILE NO. SVM-12085 3) Sensor, current, compressor operation frequency, PMV opening display The values detected by the controller, such as temperature sensor or current value are simply confirmed. (Legend) D800 (Yellow) D803 (Yellow) : Go off, : Go on D801 (Yellow) D804 (Yellow) D802 (Yellow) D805 (Green)
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FILE NO. SVM-12085 4) Specific operation for maintenance check (SW801, SW804) The following specific operations for the maintenance check are performed by operation of SW801 or SW804. a) Select DIP switch SW804. (See table below) b) Push the pushdown button switch SW801 for approx. 1 second. c) The following functions start.
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FILE NO. SVM-12085 SW804 Operation when pushdown button switch SW801 is pushed 4-way valve relay operation (For RY700, CN70 check) Turn on 4-way valve power relay (RY700). SW804 When pushing SW801 again or when 2 minutes elapsed, the operation returns to the normal control. [NOTE] In case of model adopting the self hold valve (RAV-SP1104AT-E, RAV-SP1404AT-E), the coil develops fever.
FILE NO. SVM-12085 10. DETACHMENTS 10-1. RAV-SP40 , SP45 , SP56 Part name Procedure Remarks Common Valve procedure CAUTION cover Never forget to put on the gloves at working time, otherwise an injury will be caused by the parts, etc. 1.
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FILE NO. SVM-12085 Part name Procedure Remarks 1. How to remove Front Motor base cabinet 1) Perform 1 of 1. 2) Remove the screw between front cabinet and side cabinet right . ST1T Ø × 8, 1 pc. 3) Remove the screw between front cabinet and inverter.
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FILE NO. SVM-12085 Part name Procedure Remarks 1. Detachment Inverter Screws assembly 1) Perform work of item 1 of 2) Take off screws of the upper part of the front cabinet. (ST1T Ø4 × 8L, 2 pcs.) If removing the inverter cover under this condition, P .C.
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FILE NO. SVM-12085 Part name Procedure Remarks 1) Remove sub board base from inverter Control P.C. board frame. BT 2T Ø4 × 10, 2 pcs. assembly Sub board base Remove connector of control board frame side. 2) Remove lead wire connector that are connected from control board frame to other parts.
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FILE NO. SVM-12085 Part name Procedure Remarks Rear cabinet 1) Perform works of items 1 of 1 and 2 , 3 . 2) Take off fixed screws for the bottom plate. (ST1T Ø4 × 8L, 2 pcs.) 3) Take off fixed screw for the valve mounting plate.
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FILE NO. SVM-12085 Part name Procedure Remarks Compressor 1) Perform works of items 1 of 1 and 2 , Partition plate 2) Discharge refrigerant gas. 3) Remove the partition plate. (ST1T Ø4 × 8L, 3 pcs.) 4) Remove the terminal covers of the compressor, and disconnect lead wires of the compressor and the compressor thermo assembly from the terminal.
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FILE NO. SVM-12085 Part name Procedure Remarks 1. Detachment Pulse Motor Valve (PMV) coil 1) Perform works of items 2) Release the coil from the concavity by turning it, and remove coil from the PMV. 2. Attachment 1) Put the coil deep into the bottom posi- tion.
FILE NO. SVM-12085 10-2. RAV-SP80 Part name Procedure Remarks Common Front panel procedure CAUTION Be sure to put on the gloves at working time; otherwise an injury may be caused by a part, etc. 1. Detachment 1) Stop operation of the air conditioner and then turn off switch of the breaker.
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FILE NO. SVM-12085 Part name Procedure Remarks 1. Detachment Discharge port cabinet Heat exchanger Discharge port cabinet 1) Carry out work of 1 of Motor base Partition plate 2) Remove screws for the discharge port cabinet and the partition plate. (ST1T Ø4 ×...
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FILE NO. SVM-12085 Part name Procedure Remarks 1. Control P.C. board Exchange of Compressor lead electric parts 1) Carry out work of 1 of Relay connector: 2 positions Control (1 at rear side) P.C. board WARNING Fan motor Bundling band (Reactor lead) Never disassemble the inverter for 1 minute after power has been turned off because an...
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FILE NO. SVM-12085 Part name Procedure Remarks 1. Reactor Exchange of Reactor relay connector electric parts 1) Carry out works of 1 of (Connected to lead wire (Continued) (White) at P.C. board side) 2) Remove the relay connector connected to the control P .C.
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FILE NO. SVM-12085 Part name Procedure Remarks Fan motor 1) Carry out works of 1 of 1 and 2 . Propeller fan Loosened by 2) Remove the flange nut fixing the fan motor and the turning clockwise propeller fan. ∗ The flange nut is loosened by turning clockwise. (To tighten it, turn it counterclockwise.) 3) Remove the propeller fan.
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FILE NO. SVM-12085 Part name Procedure Remarks 1. Removal of broken compressor Compressor Compressor lead 1) Recover the refrigerant gas. Piping panel (Rear) Piping panel (Rear) 2) Carry out works of 1 of 3) Remove the piping panel (Front). Remove screws of the piping panel (Front) and the bottom plate.
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FILE NO. SVM-12085 Part name Procedure Remarks Compressor 10) Using a burner, remove the discharge Remove Remove Compressor lead pipe and the suction pipe connected to (Discharge pipe) (Suction pipe) (Continued) the compressor. WARNING In case of removing the piping by broiling the welded part with a burner, if the piping includes oil, it may burst into flames at the moment when wax melted, so take...
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FILE NO. SVM-12085 Part name Procedure Remarks 2. Mounting of compressor Compressor Compressor lead Wind the ferrite core Wind the ferrite core Compressor lead 1) Mount the compressor in the reverse with the compressor with the compressor (Continued) procedure of removal. lead wire by 4 times.
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FILE NO. SVM-12085 Part name Procedure Remarks 3. Vacuuming Compressor Compressor lead 1) Connect the vacuum pump to the charge (Continued) port of the gas pipe valve and then drive the vacuum pump. 2) Carry out vacuuming until the vacuum low pressure gauge indicates 1 (mmHg).
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FILE NO. SVM-12085 Part name Procedure Remarks 3. Detachment Fan guard Bell mouth Discharge port cabinet 1) Carry out works of 1 of CAUTION To prevent scratching on the product, handle the product on a cardboard or cloth. 2) Remove the discharge port cabinet and then put on it so that the fan guard side directs downward.
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FILE NO. SVM-12085 WARNINGS ON REFRIGERANT LEAKAGE Check of Concentration Limit The room in which the air conditioner is to be installed requires a design that in the event of refrigerant gas leaking out, its concentration will not exceed a set limit. The refrigerant R410A which is used in the air conditioner is safe, without the toxicity or combustibility of ammonia, and is not restricted by laws to be imposed which protect the ozone layer.