FILE NO. SVM-19024 Adoption of New Refrigerant This Air Conditioner is a new type which adopts a new refrigerant HFC (R32) instead of the conventional refrigerant R22 in order to prevent destruction of the ozone layer. WARNING Cleaning of the air filter and other parts of the air filter involves dangerous work in high places, so be sure to have a service person do it.
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FILE NO. SVM-19024 7. INDOOR CONTROL CIRCUIT..............34 8. CONTROL CIRCUIT ................36 8-1. Control Specification ..................36 8-2. Indoor P.C. Board Optional Connector Specifications ........44 8-3. Indoor Print Circuit ....................45 9. TROUBLESHOOTING ................46 9-1. Summary of Troubleshooting ................. 46 9-2.
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-19024 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.
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FILE NO. SVM-19024 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...
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FILE NO. SVM-19024 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-19024 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-19024 The refrigerant used by this air conditioner is the R32. Check the used refrigerant name and use tools and materials of the parts which match with it. For the products which use R32 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-19024 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.
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FILE NO. SVM-19024 Refrigerant (R32) This air conditioner adopts HFC type refrigerant (R32) which does not deplete the ozone layer. 1. Safety Caution Concerned to Refrigerant The pressure of R32 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-19024 4. Tools 1. Required Tools for R32 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 R32 (Those which cannot be used for conventional refrigerant (R22)) 2) Tools exclusive for R32, but can be also used for conventional refrigerant (R22) 3) Tools commonly used for R32 and for conventional refrigerant (R22)
FILE NO. SVM-19024 3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM 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 Cooling Refrigerant Refrigerant pipe at liquid pipe at gas side side (Outer dia : ØA)
FILE NO. SVM-19024 5. SPECIFICATIONS OF ELECTRICAL PARTS Indoor Unit Parts name Type Specification Fan motor (0131~0181 type) ICF-340WD94-1 Output (Rated) 94W Fan motor (0241~0301 type) ICF-340WD94-2 Output (Rated) 94W Output (Rated) 139W Fan motor (0361~0601 type) ICF-340WD139-2 Thermo. sensor (TA-sensor) 518 mm 10 kΩ...
FILE NO. SVM-19024 6. REFRIGERANT R32 This air conditioner adopted the refrigerant HFC 6. When an air conditioning system charged with a (R32) 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 refrigerant R32 is 1.6 even when refrigerant leaks, its concentration times higher than conventional refrigerant...
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FILE NO. SVM-19024 Table 6-2-1 Thicknesses of annealed copper pipes Thickness (mm) Nominal diameter Outer diameter (mm) 0.80 0.80 0.80 0.80 12.7 0.80 0.80 15.9 1.00 1.00 19.0 1.00 1.00 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-19024 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 R32 or conventional flare tool. ØD Flare processing dimensions differ according to the type of flare tool.
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FILE NO. SVM-19024 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-19024 6-3. Tools 6-3-1.Required Tools Refer to the “4. Tools” (Page 12) 6-4. Recharging of Refrigerant When it is necessary to recharge refrigerant, charge the specified amount of refrigerant according to the following steps. Recover the refrigerant, and check no refrigerant remains in the equipment.
FILE NO. SVM-19024 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 R32 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-19024 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.
FILE NO. SVM-19024 6-6. Instructions for Re-use Piping of R22 or R407C Instruction of Works: 6. Check the oil when the existing air conditioner was The existing R22 and R407C piping can be removed after refrigerant had been recovered. reused for our digital inverter R32 products In this case, if the oil is judged as clearly different installations.
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FILE NO. SVM-19024 6-6-5. Final Installation Checks Is there no scratch or dent on the existing pipes? Existing pipe: NO ∗ Use a new 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-19024 6-6-6. Handling of Existing Pipe Piping necessary to change the flare nut/ machining size due to pipe compression. When using the existing pipe, carefully check it for 1) Flare nut width: H (mm) the following: Copper pipe Wall thickness (within the specified r Ø6.4 Ø9.5...
FILE NO. SVM-19024 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-19024 8. CONTROL CIRCUIT 8-1. Control Specification Item Outline of specification Remarks When power 1) Distinction of outdoor unit supply is reset When the power supply is reset, the outdoors are distinguished and the control is selected according to the distinguished result.
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FILE NO. SVM-19024 Item Outline of specifications Remarks Air speed selection 1) Operation with (HH), (H), (L) or [AUTO] mode is carried HH > H+ > H > L+ > out by the command from the remote controller. L > UL 2) When the air speed mode [AUTO] is selected, the air speed varies by the difference between Ta and Ts.
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FILE NO. SVM-19024 Item Outline of specifications Remarks Air speed CODE No. Standard Type 1 Type 3 selection Selection of high [5d] (Continued): ceiling type SW501 (1)/(2) OFF/OFF ON/OFF OFF/ON CODE No.: COOL COOL COOL [5d] or selection of high ceiling on P .C. board SW501 H+, H Revolution speed (rpm)
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FILE NO. SVM-19024 Item Operation flow and applicable data, etc. Description 5. Capacity The cooling capacity depending on the load is adjusted. 1) The difference between set control temperature on remote controller According to difference between the setup value of tempera- (Ts) and room temperature (Ta) ture and the room temperature, the capacity is adjusted by is calculated.
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FILE NO. SVM-19024 Item Outline of specifications Remarks Drain pump 1) In cooling operation (including Dry operation), Attached Drain pumpkit control the drain pump is usually operated. (TCB-DP31CE) ※Option 2) If the float switch works while drain pump drives, Check code [P10] the compressor stops, the drain pump continues the operation, and a check code is output.
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FILE NO. SVM-19024 Item Outline of specifications Remarks HA control 1) This control is connected to telecontrol system or remote In the group opera- start/stop I/F, etc, and start/stop are available by HA signal tion, use this control input from the remote position. by connecting to either header or 2) This control outputs start/stop status to HA output terminal.
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FILE NO. SVM-19024 Item Outline of specifications Remarks Filter sign display 1) The operation time of the indoor fan is calculated, the filter reset [FILTER ] goes on. (Except wireless signal is sent to the remote controller when the specified time type) (2500H) has passed, and it is displayed on LCD.
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FILE NO. SVM-19024 Item Outline of specifications Remarks Self-clean operation 1) When cooling operation mode (COOL, DRY) stopped, the following three self- (Dry operation) clean operations are performed. Compressor Self-clean Drain pump Louver ON period operation period 0 to 10 min. None Fan only 10 to 60 min.
FILE NO. SVM-19024 9. TROUBLESHOOTING 9-1. Summary of Troubleshooting <Wired remote controller type> 1. Before troubleshooting 1) Require 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-19024 <Wireless remote controller type> 1. Before troubleshooting 1) Require tools/instruments • screwdrivers, spanners, radio cutting pliers, nippers, etc. • Tester, thermometer, pressure gauge, etc. 1) Confirmation points before check a) The following operations are normal. 1. Compressor does not operate. •...
FILE NO. SVM-19024 9-2. Troubleshooting 9-2-1. Outline of judgment The following method can be done to check whether the problem occurred in indoor or outdoor unit. The error is indicated by indication lamp on the display 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-19024 Error mode detected by indoor unit Operation of diagnostic function Judgment and measures Check Status of Cause of errors Condition code air conditioner 1. Check cables of remote controller and communication adapters. No communication from remote Stop Displayed when Remote controller LCD display OFF (Disconnection) controller (including wireless) and...
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FILE NO. SVM-19024 Error mode detected by outdoor unit Operation of diagnostic function Check code Status of Judgment and measures Cause of errors Condition air conditioner Indoor unit 1. Check discharge temp. sensor (TD). Disconnection, short of discharge Displayed when Stop temp.
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FILE NO. SVM-19024 Operation of diagnostic function Check code Status of Judgment and measures Cause of errors Condition air conditioner Indoor unit Displayed when 1. Check outdoor P.C. board. Current detection circuit error Stop error is detected (AC current detection circuit) 1.
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FILE NO. SVM-19024 Error mode detected by remote controller or central controller (TCC-LINK) Operation of diagnostic function Judgment and measures Status of Check code Cause of errors 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.
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FILE NO. SVM-19024 9-2-4. Diagnostic Procedure for Each Check Code (Indoor Unit) Check code [E01 error] Correct inter-unit cable Is inter-unit cable of A and B normal? of remote controller Is there no disconnection or Correct connection of connector. contact error of connector on harness Check circuit wiring.
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FILE NO. SVM-19024 [E04 error] Is group address setup of Does outdoor operate? Check CODE No. [14]. remote controller correct? Are wiring in indoor unit and Correct wiring and 1, 2, 3 inter-unit cables correct? inter-unit cables. Correct wiring of connector Are wirings of terminal blocks and terminal blocks.
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FILE NO. SVM-19024 [E11 error] Is the connection for the UART communication Repair of connector connector (Internal board connection. CN521 red/Optional board CN1 red) normal? Is connector Replacement of the lead wire for the UART connector’s lead wire. communication cut? Red LED (LD1) Lead wire is cut or fault of external output board...
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FILE NO. SVM-19024 [E18 error] Correct inter-unit cable Is inter-unit cable of remote controller. of A and B normal? Is there no disconnection or contact error of connector Correct connection of connector. Check circuit wiring. on harness from terminal block of indoor unit? Is group control operation? Check power...
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FILE NO. SVM-19024 [L20 error] Are wiring connections to communication lines Correct wiring connection. U3 and U4 normal? Is not the multiple same central Correct central control system address. control system addresses connected? Check central controller (including network adapter) and indoor P.C.
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FILE NO. SVM-19024 [P10 error] Is connection of float switch connector Correct connection (Indoor control board CN34) of connector. normal? Check indoor P.C. board (MCC-1643). Does float switch work? Is circuit wiring normal? Defect → Replace Check and correct wiring and wire circuit.
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FILE NO. SVM-19024 [P12 error] Power off. Is not connection error or Repair the connector disconnection on the connector connection. CN210 of indoor unit P.C. board? Disconnect the connector CN210 to the indoor P.C. board Does the Replace the indoor fan turn smoothly when fan motor.
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FILE NO. SVM-19024 [P19 error] Is operation of 4-way valve normal? Are 1.3 to 1.6kΩ applied to (Check the pipe temp., etc. Replace 4-way valve coil. resistance value of 4-way valve coil ? during cooling/heating operation. Defective Check outdoor P.C. board operation. Check outdoor P.C.
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FILE NO. SVM-19024 [F02 error] Is connection of TC sensor connector Correct connection of connector. (CN101 on Indoor P.C. board) correct? Are characteristics of Replace TC sensor. TC sensor resistance value normal? ∗ Refer to Characteristics-2. Check indoor P.C. board (MCC-1643). Defect →...
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FILE NO. SVM-19024 [C06 error] (“1:1 model” connection interface) n i l n i l ∗1 Correct connection of connector. Is connection of connector normal? ∗1 TCC-LINK central: CN51 of “1:1 model” connection interface (TCC-LINK adapter) P.C. board (MCC-1440) and CN050 of indoor P.C.
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FILE NO. SVM-19024 [E03 error] (Header indoor unit) [E03 error] is detected when the indoor unit cannot receive a signal from the remote controller (also central controller). Check A and B remote controllers and communication lines of the central control system U3 and U4. As communication is impossible, this check code [E03] is not displayed on the remote controller and the central controller.
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FILE NO. SVM-19024 9-2-5. Diagnostic Procedure for Each Check Code Temperature sensor Temperature – Resistance value characteristic table TA, TC, TCJ sensors Representative value Resistance value (kΩ Ω Ω Ω Ω ) Temperature (°C) (Minimum value) (Standard value) (Maximum value) 32.33 33.80 35.30...
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FILE NO. SVM-19024 Table 1. Setting data (CODE No. table (example)) Item Setting data Factory-set value Temperature range of cooling/heating automatic SW control point 0001: Provided High ceiling SW Rotation number of the self-clean operation Table 3. Indoor unit capacity: CODE No. 11 Table 2.
FILE NO. SVM-19024 10. SETUP AT LOCAL SITE AND OTHERS 10-1. Indoor Unit 10-1-1. Test Run Setup on Remote Controller <Wired remote controller> TEST 1. When pushing button on the remote controller for 4 seconds or more, “TEST” is displayed on LC display. ON / OFF Then push button.
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FILE NO. SVM-19024 10-1-2. Forced Defrost Setup of Remote Controller (For wired remote controller only) (Preparation in advance) TEST Push buttons simultaneously for 4 seconds or more on the remote controller. (Push buttons while the air conditioner stops.) The first displayed unit No. is the master indoor unit address in the group control. Every pushing UNIT button, the indoor unit No.
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FILE NO. SVM-19024 10-1-4. Function Selection Setup <Procedure> Perform setting while the air conditioner stops. TEST Push buttons simultaneously for 4 seconds or more. The first displayed unit No. is the master indoor unit address in the group control. In this time, fan and louver of the selected indoor unit operate. UNIT LOUVER Every pushing button (button at left side), the indoor unit No.
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FILE NO. SVM-19024 Function selection CODE No. (DN) list Item Contents At shipment from factory Filter sign lighting time 0002: 2500H 0003: 5000H According to type 0004: 10000H 0005: Clogging sensor used 0000: Standard Filter stain level 0000: Standard 0001: Heavy stain (Half of standard time) 0001: No.1 unit 0064: No.64 unit Central control address...
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FILE NO. SVM-19024 Item Contents At shipment from factory 0000: None 0001: 0.5 h ~ 0012: 6.0 h Set when compressor-ON time is 10 to 60 minutes. Self-clean operation time 0002: 1.0 h When ON-time is 60 minutes or more, the double of this operation time setting is set.
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FILE NO. SVM-19024 10-1-5. Wiring and Setting of Remote Controller Control 2-remote controller control <Wired remote controller> (Controlled by 2 remote controllers) How to set wired remote controller This control is to operate 1 or multiple indoor units as sub remote controller are operated by 2 remote controllers.
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FILE NO. SVM-19024 10-1-6. Monitor Function of Remote Controller Switch Calling of sensor temperature display <Contents> Each data of the remote controller, indoor unit and outdoor unit can be shown by calling the service monitor mode from the remote controller. <Procedure>...
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FILE NO. SVM-19024 Wireless remote controller (A-B selection) Using 2 wireless remote controllers for the respec- tive air conditioners, when the 2 air conditioners are closely installed. Wireless remote controller B setup 1. Start the air conditioner. 2. Point the wireless remote controller at the indoor unit.
FILE NO. SVM-19024 10-2. Calling of Error History <Contents> The error contents in the past can be called. <Procedure> TEST Push buttons simultaneously for 4 seconds or more to call the service check mode. TEMP. ON / OFF Service Check goes on, the CODE No. is displayed, and then the content of the latest alarm is displayed.
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FILE NO. SVM-19024 Indoor unit power-ON sequence Power ON • The unit without power feed waits entirely → Waiting status is released by system start • Reboot when power is fed on the way <By feed unit> <Automatic address judgment> Gr construction check 3 minutes elapse Normal...
FILE NO. SVM-19024 10-4. Applicable Control of Outdoor unit The following controls are enabled by connecting the part “Application control kit” (TCB-PCOS1E2) sold separately. (1) Power peak cut control * The capacity of the outdoor unit is saved by the Demand signal from outside and corresponds to the temporary peak cut.
FILE NO. SVM-19024 10-5. Setup at Local Site / Others Model name: TCB-PCNT30TLE2 10-5-1. 1:1 Model Connection Interface (TCC-LINK adapter) 1. Function This model is an optional P.C. board to connect the indoor unit to 1:1 model connection interface. 2. Microprocessor block diagram Indoor unit Central controller 1:1 model connection interface...
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FILE NO. SVM-19024 4. Wiring Specifications • Use 2-core with no polar wire. No. of wires Size • Match the length of wire to wire length of the central control system. If mixed in the SMMS system, the wire length is Up to 1000m: twisted wire 1.25mm Up to 2000m: twisted wire 2.0mm lengthened with all indoor/outdoor inter-unit wire length at side.
FILE NO. SVM-19024 6. External view of P.C. board assembly Terminator (SW01) 7. Address setup In addition to set up the central control address, it is necessary to change the indoor unit number. (Line/Indoor/Group address). For details, refer to 1:1 model connection interface Installation Manual. 10-6.
FILE NO. SVM-19024 11. ADDRESS SETUP 11-1. Address Setup Procedure When an outdoor unit and an indoor unit are connected, or when an outdoor unit is connected to each indoor unit respectively in the group operation even if multiple refrigerant lines are provided, the automatic address setup completes with power-ON of the outdoor unit.
FILE NO. SVM-19024 11-2. Address Setup & Group Control <Terminology> Indoor unit No. : N - n = Outdoor unit line address N (Max. 30) - Indoor unit address n (Max. 64) Group address : 0 = Single (Not group control) 1 = Master unit in group control 2 = Sub unit in group control Master unit (= 1) : The representative of multiple indoor units in group operation sends/receives signals to/from...
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FILE NO. SVM-19024 11-2-2. Automatic Address Example from Unset Address (No miswiring) 1. Standard (One outdoor unit) 1) Single (Master/Sub) Individual 2) Group operation (Twin operation) (Multiple outdoor units = Miltiple indoor units only with serial communication) Sub/Header Sub/Header Sub/Follower Master/Header Sub/Follower Only turning on source power supply (Automatic completion)
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FILE NO. SVM-19024 11-2-3. Automatic Address Example from Unset Address (No miswiring) 1. Standard (One outdoor unit) 1) Single Individual (Master/Header) Only turning on source power supply (Automatic completion) 2. Group operation (Multiple outdoor units = Multiple indoor units with serial communication only, without twin) Sub/Header Sub/Header...
FILE NO. SVM-19024 11-3. Remote Controller Wiring Strip off approx. 9 mm the wire to be connected. Wiring diagram For single system, use non polarity, 2 core wire is used for wiring of the remote Terminal block for remote Terminal block controller.(0.5 mm²...
FILE NO. SVM-19024 TEST Push buttons simultaneously for 4 seconds or more. (← Line address) Using the temperature setup buttons, to the CODE No. Using timer time buttons, set the line address. Push button. (OK when display goes on.) (← Indoor unit address) Using the temperature setup buttons, set to the CODE No.
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FILE NO. SVM-19024 2. To know the position of indoor unit body by address To confirm the unit No. in the group control (Follow to the procedure during operation) (in this procedure, the indoor units in group control stop.) <Procedure> The indoor unit numbers in the group control are successively displayed, and fan, louver, and drain pump of the corresponding indoor unit are turned on.
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FILE NO. SVM-19024 <Maintenance/Check list> Aiming in environmental preservation, it is strictly recommended to clean and maintain the indoor/outdoor units of the operating air conditioning system regularly to secure effective operation of the air conditioner. It is also recommended to maintain the units once a year regularly when operating the air conditioner for a long time.
FILE NO. SVM-19024 12. DETACHMENTS Indoor Unit DANGER CAUTION Before carrying out the repair or removal Be sure to put on the gloves at work, be sure to set the circuit breaker to disassembling work; otherwise an injury the OFF position. will be caused by a part, etc.
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FILE NO. SVM-19024 Part name Procedure Remarks Electric parts 1. Detachment 1) Perform works of 1 of 2) Remove the screws of electric parts box. 3) Draws out forward after the electric box is moved in the direction of the arrow, and the back of the part electric part box is hung on the edge of the main body.
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FILE NO. SVM-19024 Procedure Remarks Part name Fan, ⑤ Square hole Fan case, Quantity of fan Model Shaft Support plate 13, 18 24, 25, 30 36, 39, 40, 48, 60 1. Detachment 1) Perform works of 1 of ① and ②. Front side screw 2) Remove the support plate.
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FILE NO. SVM-19024 Procedure Remarks No. Part name 2. Attachment 1) The fan is installed in the shaft so that Shaft the tightening screw may come at the right of the fan toward the heat exchanger. 2) Insert the fan in the shaft while adjusting to match the installation mark to the Groove of the fan groove of the fan.
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FILE NO. SVM-19024 Procedure Remarks No. Part name Bearing ⑥ 1. Detachment Fan case 1) Perform works of 1 of ⑤.(24 to 48 Side cover type) 2) Bearing press from the side cover side. And remove it. 2.Attachment 1) Bearing press from the fan case side. And mounting.
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FILE NO. SVM-19024 Part name Procedure Remarks Fan motor 1. Detachment 1) Perform works of 1 of 2) Remove connectors for fan motor wiring from control P.C. board. CN210 : Fan motor (5P, White) NOTE First unlock the housing and then Rein forced pate remove the connectors.
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FILE NO. SVM-19024 Part name Procedure Remarks Side cover 1. Detachment 1) Perform works of 1 of 2) Remove the screws of the side cover. (One side: Ø4 x 10, 1 pcs.) 3) Slide to the air discharge side, remove the side cover.
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FILE NO. SVM-19024 Part name Procedure Remarks Under panel 1. Detachment 1) Perform works of 1 of 2) Remove the support plate. (24-48 type only) (Ø4 x 10, 1 pcs.) Square hole Front side screw The screw on a front side is removed, and it detaches it from the square hole on the back side.
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FILE NO. SVM-19024 Part name Procedure Remarks Drain pan 1. Detachment 1) Perform works of 1 of 2) Remove the drain cap and then extract the drain water accumulated in the drain pan. NOTE Drain cap When removing the drain cap, be sure to receive drain water using a bucket, etc.
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FILE NO. SVM-19024 No. Part name Procedure Remarks Heat 1. Detachment exchanger 1) Recover the refrigerant gas and then remove the refrigerant pipe of the indoor unit. 2) Perform works of 1 of Pull out sensor wires from the holder. 3) The screw that is the fixing of the piping support is removed, and the piping support is removed.
FILE NO. SVM-19024-1 13-2. Electric Parts 42TGV Location Part No. Description 0131CP 0181CP 0241CP 0251CP 0301CP 43T50387 TC-SENSOR 43T60427 TERMINAL BLOCK 43T60434 TERMINAL BLOCK, 2P 43T62348 COVER-E-BOX 43T50351 HOLDER-TA 43T61317 BASE-CLAMP 43T6W497 PC BOARD ASSY 43T6W498 PC BOARD ASSY 43T6W499 PC BOARD ASSY 43T6W500 PC BOARD ASSY...
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FILE NO. SVM-19024 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 R32 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.