The qualified service person is a person who installs, repairs, maintains, relocates and removes the air conditioners made by Toshiba Carrier Corporation. He or she has been trained to install, repair, maintain, relocate and remove the air conditioners made by Toshiba Carrier Corporation...
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FILE NO. SVM-13050 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-13050 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 WARNING ELECTRICAL SHOCK HAZARD ELECTRICAL SHOCK HAZARD...
FILE NO. SVM-13050 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-13050 Electrical wiring work shall be conducted according to law and regulation in the community and Installation manual. Failure to do so may result in electrocution or short circuit. To connect the electrical wires, repair the electrical parts or undertake other electrical jobs, wear gloves to provide protection for electricians, insulating shoes and clothing to provide protection from electric shocks.
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FILE NO. SVM-13050 Connect the cut-off lead wires with crimp contact, etc, put the closed end side upward and then apply a water-cut method, otherwise a leak or production of fire is caused at the users' side. Insulating measures When performing repairs using a gas burner, replace the refrigerant with nitrogen gas because the oil that coats the pipes may otherwise burn.
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FILE NO. SVM-13050 When the refrigerant gas leaks, find up the leaked position and repair it surely. If the leaked position cannot be found up and the repair work is interrupted, pump-down and tighten the service valve, otherwise the refrigerant gas may leak into the room. The poisonous gas generates when gas touches to fire such as fan heater, stove or cocking stove though the refrigerant gas itself is innocuous.
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FILE NO. SVM-13050 Only a qualified installer or service person is allowed to do installation work. Inappropriate installation may result in water leakage, electric shock or fire. Before starting to install the air conditioner, read carefully through the Installation Manual, and follow its instructions to install the air conditioner.
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FILE NO. SVM-13050 • 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-13050 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-13050 2. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM 2-1. 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...
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FILE NO. SVM-13050 Triple type (3 indoor units and 1 outdoor unit) Heating mode Cooling mode (Indoor unit A) (Indoor unit B) (Indoor unit C) TCJ sensor TCJ sensor TCJ sensor Distributor Distributor Distributor Strainer Strainer Strainer (with strainer) (with strainer) (with strainer) Heat...
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FILE NO. SVM-13050 Double-twin type (4 indoor units and 1 outdoor unit) Heating mode Cooling mode (Indoor unit A) (Indoor unit B) TCJ sensor TCJ sensor Distributor Distributor (with strainer) (with strainer) Strainer Strainer Heat exchanger Heat exchanger TC sensor TC sensor Liquid-side Gas-side...
FILE NO. SVM-13050 4. SPECIFICATIONS OF ELECTRICAL PARTS 4-1. Indoor Unit RAV-SM***CTP* Parts name Model Specifi cations SM56 SM80 SM110 SM140 SM160 ICF-340WD94-1 Fan motor ICF-340WD94-2 ICF-340WD139-1 Louver motor MP24Z3T ...
FILE NO. SVM-13050 5-2. Control Specifications Item Outline of specifications Remarks When power 1) Distinction of outdoor unit supply is reset When the power supply is reset, the outdoors are distin- guished and the control is selected according to the distinguished result.
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FILE NO. SVM-13050 Item Outline of specifications Remarks Room temp. 2) Using the CODE No. 06, the setup temperature in heating Shift of suction control operation can be corrected. temperature in heating (Continued) operation Setup data Setup temp. correction +0°C +2°C +4°C +6°C...
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FILE NO. SVM-13050 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-13050 Item Outline of specifications Remarks Air speed Standard Type 1 Type 3 selection CODE No. Selection of high [5d] (Continued): ceiling type SW501 (1)/(2) OFF/OFF ON/OFF OFF/ON CODE No.: HEAT COOL HEAT COOL HEAT COOL [5d] or selection of high ceiling on P .C.
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FILE NO. SVM-13050 Item Outline of specifications Remarks Cool air discharge 1) In heating operation, the indoor fan is controlled In D and E zones, the preventive control based on the detected temperature of Tc sensor or priority is given to air Tcj sensor.
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FILE NO. SVM-13050 Item Outline of specifications Remarks High-temp. 1) The heating operation is performed as follows based on the release control detected temperature of Tc sensor or Tcj sensor. • When [M] zone is detected, the commanded frequency is However this control is decreased from the real operation frequency.
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FILE NO. SVM-13050 Item Outline of specifications Remarks Louver control 1) Louver position setup • When the louver position is changed, the position moves necessarily to downward discharge position once to return to the set position. • The louver position can be set up in the following operation range. In cooling/dry operation In heating/fan operation •...
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FILE NO. SVM-13050 Item Outline of specifications Remarks HA control 1) This control is connected to TV control or remote start/stop In the group opera- I/F, etc, and start/stop are available by HA signal input from tion, use this control the remote position.
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FILE NO. SVM-13050 Item Outline of specifications Remarks Central control mode 1) Setting at the centerl controller side enables to select the selection contents which can be operated on the remote controller at indoor unit side. 2) Setup contents • 64 line central controller (TCB-SC642TLE2) Display at remote [Individual]: Operated on the remote controller controller side...
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FILE NO. SVM-13050 Item Outline of specifications Remarks DC motor 1) When the fan operation has started, positioning of the stator and the rotor are performed. (Moves slightly with tap sound) 2) The motor operates according to the command from the indoor controller.
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FILE NO. SVM-13050 Item Outline of specifications Remarks 8°C heating/ 1) This functional is intended for the cold latitudes and performs Frost protective objective heating operation (8°C heating operation). operation 2) This function is valid only for combination with the outdoor In a group connection, units (Super Digital Inverter (SDI) 4-series outdoor units).
FILE NO. SVM-13050 6. TROUBLESHOOTING 6-1. 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-13050 <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. •...
FILE NO. SVM-13050 6-2. Troubleshooting 6-2-1. 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-13050 6-2-2. 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-13050 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 •...
FILE NO. SVM-13050 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.
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FILE NO. SVM-13050 6-2-4. 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-13050 [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. Are wirings of terminal blocks Correct wiring of connector and terminal blocks.
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FILE NO. SVM-13050 [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-13050 [E18 error] Correct inter-unit cable Is inter-unit cable of A and B normal? of remote controller. Is there no disconnection Correct connection of connector. or contact error 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-13050 [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-13050 [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-13050 [Abnormal E12] Power off. Is there an incomplete connection Repair the connector or broken wire on the internal connection. board (MCC-1643)? Disconnect the connector CN210 to the internal board (MCC-1643). Does the Replace the internal fan turn smoothly when fan motor.
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FILE NO. SVM-13050 [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-13050 [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-13050 [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-13050 [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-13050 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 Ω Ω Ω Ω ) Temperature Temperature (°C)
FILE NO. SVM-13050 7. REPLACEMENT OF SERVICE P.C. BOARD 7-1. Indoort Unit <Note: when replacing the P.C. board for indoor unit servicing> The nonvolatile memory (hereafter called EEPROM, IC503) on the indoor unit P .C. board before replacement includes the model specific type information and capacity codes as the factory-set value and the important setting data which have been automatically or manually set when the indoor unit is installed, such as system/ indoor/group addresses, high ceiling select setting, etc.
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FILE NO. SVM-13050 [1] Setting data read out from EEPROM The setting data modified on the site, other than factory-set value, stored in the EEPROM shall be read out. TEST Step 1 Push button on the remote controller simultaneously for more than 4 seconds. ∗...
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FILE NO. SVM-13050 [3] Writing the setting data to EEPROM The settings stored in the EEPROM of the P .C. board for indoor unit servicing are the factory-set values. TEST Step 1 Push buttons on the remote controller simultaneously for more than 4 seconds. ∗...
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FILE NO. SVM-13050 Step 4 Write the on-site setting data to the EEPROM, such as address setting, etc. Perform the steps 1 and 2 above again. Step 5 Change the CODE No. (DN) to “ ” by pushing buttons for the temperature setting. (this is the setting for the filter sign lighting time.) Step 6 Check the setting data displayed at this time with the setting data put down in [1].
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FILE NO. SVM-13050 Table 1. Setting data (CODE No. table (example)) Item Setting data Factory-set value Filter sign lighting time Depending on Type Filter pollution leve 0000: standard Central control address 0099: Not determined 0002: +2°C Heating suction temperature shift (flooring installation type: 0) Cooling only 0000: Heat pump...
FILE NO. SVM-13050 8. SETUP AT LOCAL SITE AND OTHERS 8-1. Indoor Unit 8-1-1. 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-13050 8-1-2. 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. UNIT Every pushing button, the indoor unit No.
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FILE NO. SVM-13050 8-1-4. 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-13050 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-13050 Item Contents At shipment from factory Set when compressor-ON time is 10 to 60 minutes. Self-clean operation time 0000: None When ON-time is 60 minutes or more, the double of this operation time setting is set. Current demand X% to outdoor unit 0050: 50% 0100: 100% 0075: 75%...
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FILE NO. SVM-13050 8-1-5. 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-13050 <Wireless remote controller> Remote controller address (A-B selection) setting • When two or more signal receiving units are installed in a room, a unique address can be set for each signal receiving unit to prevent interference. • Address (A-B selection) must be changed on both signal receiving unit and wireless remote controller.
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FILE NO. SVM-13050 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.
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FILE NO. SVM-13050 8-1-6. 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 understood by calling the service monitor mode from the remote controller. <Procedure>...
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FILE NO. SVM-13050 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. Service Check goes on, the CODE No. is displayed, and TEMP.
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FILE NO. SVM-13050 Indoor unit power-ON sequence • The unit without power feed waits entirely → Waiting status is released by system start Power ON • Reboot when power is fed on the way <By indoor unit which receives power feed from outdoor unit> <Automatic address judgment>...
FILE NO. SVM-13050 8-2. Setup at Local Site / Others Model name: TCB-PCNT30TLE2 8-2-1. 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...
FILE NO. SVM-13050 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-13050 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. 8-3.
FILE NO. SVM-13050 9. ADDRESS SETUP 9-1. Address Setup <Address setup procedure> When an outdoor unit and an indoor unit are connected and they are twin-triple, 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-13050 9-2. 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 = Header unit in group control 2 = Follower unit in group control Header unit (= 1) : The representative of multiple indoor units in group operation sends/receives signals to/...
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FILE NO. SVM-13050 4. Single group operation • Each indoor unit controls the outdoor unit individually. Header/Sub Header/Sub Header/Master Header/Sub Header/Sub 5. Multiple groups operation (Manual address setting) Header/Sub Header/Sub Follower/Sub Header/Master Follower/Sub Follower/Sub • Master unit: The master unit receives the indoor unit data (thermo status) of the sub (Without identical line address &...
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FILE NO. SVM-13050 9-2-2. Automatic Address Example from Unset Address (No miswiring) 1. Standard (One outdoor unit) (1-1) (1-2) (1-1) (1-2) (1-3) Individual Header/Master Follower/Sub Header/Sub Follower/Master Follower/Sub (Header/Master) Only turning on source power supply (Automatic completion) 2. Group operation (Multiple outdoor units = Multiple indoor units with serial communication only, without twin) Header/Sub Header/Sub...
FILE NO. SVM-13050 9-3. Address Setup (Manual Setting from Remote Controller) In case that addresses of the indoor units will be (Example of 2-lines wiring) (Real line: Wiring, Broken line: Refrigerant pipe) determined prior to piping work after wiring work Outdoor Outdoor •...
FILE NO. SVM-13050 9-4. Confirmation of Indoor Unit No. Position 1. To know the indoor unit addresses though position of the indoor unit body is recognized • In case of individual operation (Wired remote controller : indoor unit = 1 : 1) (Follow to the procedure during operation) <Procedure>...
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FILE NO. SVM-13050 <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-13050 10. DETACHMENTS 10-1. Ceiling Type 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-13050 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 boxis hung on the edge of the main body.
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FILE NO. SVM-13050 Part name Procedure Remarks Fan, Quantity of fan Fan case, Shaft, Model Installation Bearing Fan motor both sides One of shafts are bearings. The shaft middle part is supported in the bearing. 1. Detachment NOTE It explains the following content by 110 to 160 type.
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FILE NO. SVM-13050 Part name Procedure Remarks 3) When the bearing is installed in the shaft, perform work of 1) . The coupling side is set to the ditch and the fan is fixed with the hexagonal screw hole. NOTE The ditch of shaft The ditch of shaft Be sure to use a torque wrench for...
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FILE NO. SVM-13050 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. CN333 : Motor power supply (5P: White) CN334 : Motor control (5P: White) NOTE First unlock the housing and then remove the connectors.
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FILE NO. SVM-13050 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 12, 1 pcs. with washer) 3) Slide to the air discharge side, remove the side cover.
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FILE NO. SVM-13050 Part name Procedure Remarks Under panel 1. Detachment 1) Perform works of 1 of 2) Remove the support plate. (80-160 type only) (Ø4 x 12, 1 pc.) 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-13050 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-13050 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.
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FILE NO. SVM-13050 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.