Toshiba RAV-RM301SDT-E Service Manual
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Toshiba RAV-RM301SDT-E Service Manual

Air-conditioner (split type). slim duct type
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SERVICE MANUAL
AIR-CONDITIONER (SPLIT TYPE)
INDOOR UNIT
<Slim Duct type>
RAV-RM301SDT-E (TR)
RAV-RM401SDT-E (TR)
RAV-RM561SDT-E (TR)
FILE NO. A10-1812
PRINTED IN JAPAN, Mar., 2018
ToMo

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Summary of Contents for Toshiba RAV-RM301SDT-E

  • Page 1 FILE NO. A10-1812 SERVICE MANUAL AIR-CONDITIONER (SPLIT TYPE) INDOOR UNIT <Slim Duct type> RAV-RM301SDT-E (TR) RAV-RM401SDT-E (TR) RAV-RM561SDT-E (TR) PRINTED IN JAPAN, Mar., 2018 ToMo...

  • Page 2: Table Of Contents

    CONTENTS Precaution for Safety ....................6 About refrigerant R32 ....................14 About refrigerant R410A................... 17 1. SPECIFICATIONS ....................19 2. CONSTRUCTION VIEWS (EXTERNAL VIEWS) ............ 23 2-1. RAV-RM301SDT* ........................ 23 2-2. RAV-RM401SDT*, RM561SDT* ..................24 3. WIRING DIAGRAMS ....................25 4.
  • Page 3 • 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...
  • Page 4 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.
  • Page 5 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 Disconnect all remote Disconnect all remote electric power supplies before servicing.

  • Page 6: Precaution For Safety

    Precaution for Safety The appliance shall be installed in accordance with national wiring regulations. Capacity shortages of the power circuit or an incomplete installation may cause an electric shock or fire. DANGER Before carrying out the installation, maintenance, repair or removal work, be sure to set the circuit breaker to the OFF position.
  • Page 7 WARNING Before starting to repair the air conditioner, read carefully through the Service Manual, and repair the air conditioner by following its instructions. ∗ Only qualified service person ( 1) is allowed to repair the air conditioner. Repair of the air conditioner by unqualified person may give rise to a fire, electric shocks, injury, water leaks and/or other problems.
  • Page 8 If, in the course of carrying out repairs, it becomes absolutely necessary to check out the electrical parts with the electrical parts box cover of one or more of the indoor units and the service panel of the outdoor unit removed in order to find out exactly where the trouble lies, wear insulated heat-resistant gloves, insulated boots and insulated work overalls, and take care to avoid touching any live parts.
  • Page 9 This Air Conditioner has adopted a refrigerant HFC R32 or R410A. Be sure to check the refrigerant type for outdoor unit to be combined. In case that refrigerant type is R32, this unit uses a flammable refrigerant. If refrigerant leaks and comes in contact with fire or heating part, it will create harmful gas and there is risk of fire.
  • Page 10 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. When gas touches to fire such as fan heater, stove or cocking stove, it may generate noxious gases, causing a fire though the refrigerant gas itself is innocuous.
  • Page 11 ∗ ∗ Only a qualified installer ( 1) or qualified service person ( 1) is allowed to install the air conditioner. If the air conditioner is installed by an unqualified individual, a fire, electric shocks, injury, water leakage, noise and/or vibration may result. Before starting to install the air conditioner, read carefully through the Installation Manual, and follow its instructions to install the air conditioner.
  • Page 12 (*1) Refer to the “Definition of Qualified Installer or Qualified Service Person” Declaration of Conformity Manufacturer: TOSHIBA CARRIER CORPORATION 336 Tadehara, Fuji-shi, Shizuoka-ken 416-8521 JAPAN TCF holder: TOSHIBA CARRIER EUROPE S.A.S Route de Thil 01120 Montluel FRANCE Hereby declares that the machinery described below: Generic Denomination: Air Conditioner...
  • Page 13 Specifications Sound pressure level (dB(A)) Model Weight (kg) Cooling Heating ∗ ∗ RAV-RM301SDT-E ∗ ∗ RAV-RM401SDT-E ∗ ∗ RAV-RM561SDT-E ∗ ∗ RAV-RM301SDT-TR ∗ ∗ RAV-RM401SDT-TR ∗ ∗ RAV-RM561SDT-TR ∗ : Under 70 (dB(A)) – 13 –...

  • Page 14: About Refrigerant R32

    About refrigerant R32 This air conditioner adopts a new HFC type refrigerant (R32) which does not deplete the ozone layer. 1. Safety Caution Concerned to Refrigerant R32 Be sure that water, dust, the former refrigerant or the former refrigerating oil is not mixed into the refrigerating cycle of the air conditioner with refrigerant R32 during installation work or service work.
  • Page 15 <Caution items> 1) The opposite side dimension of the air-conditioner’s flared nut using R32 and the shape of the charge port are the same as those of R410A. 2) Be careful not to charge refrigerant by mistake. Should the different type of refrigerant mix in, be sure to recharge the refrigerant 3) Do not mix the other refrigerant or refrigerating oil with the refrigerant.
  • Page 16 4. Tools Tools exclusive for R410A (The following tools for R410A are required.) : R410A tools available : Partly unavailable, : R410A tools unavailable Installation/service tools Applicability to R32 air Applicability to R22 air conditioner or not conditioner or not Tools / Equipment specification 1 Flare tool...

  • Page 17: About Refrigerant R410A

    About refrigerant R410A This air conditioner adopts a HFC type refrigerant (R410A) which does not deplete the ozone layer. 1. Safety Caution Concerned to R410A 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.
  • Page 18 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) The table below shows the tools exclusive for R410A and their interchangeability.

  • Page 19: Specifications

    1. SPECIFICATIONS SDI combination (R32) <Single type> Indoor Unit RAV-RM 561SDT-E Model name Outdoor Unit RAV-GP 561ATP-E Cooling capacity (Rated (Min.-Max.)) (*1) 5.0 (1.2 - 5.6) Heating capacity (Rated (Min.-Max.)) (*1) 5.6 (0.9 - 7.0) Power supply 1phase 50Hz 230V (220V-240V) Electrical Cooling Running current...
  • Page 20 SDI combination (R410A) <Single type> Indoor Unit RAV-RM 401SDT-E 561SDT-E Model name Outdoor Unit RAV-SP 404ATP-E 564ATP-E Cooling capacity (Rated (Min.-Max.)) (*1) 3.6 (1.5 -4.0) 5.0 (1.2 - 5.6) Heating capacity (Rated (Min.-Max.)) (*1) 4.0 (1.5 - 5.0) 5.6 (0.9 -7.4) Power supply 1phase 50Hz 230V (220V-240V) Electrical...
  • Page 21 DI combination (R410A) <Single type> Indoor Unit RAV-RM 301SDT-E 401SDT-E 561SDT-E Model name Outdoor Unit RAV-SM 304ATP-E 404ATP-E 564ATP-E Cooling capacity (Rated (Min.-Max.)) (*1) 2.5 (0.9 - 3.0) 3.6 (0.9 - 4.0) 5.0 (1.5 - 5.6) Heating capacity (Rated (Min.-Max.)) (*1) 3.4 (0.8 - 4.5) 4.0 (0.8 - 5.0) 5.3 (1.5 - 6.3)
  • Page 22 – 22 –...

  • Page 23: Construction Views (External Views)

    2. CONSTRUCTION VIEWS (EXTERNAL VIEWS) 2-1. RAV-RM301SDT* – 23 –...

  • Page 24: Rav-Rm401Sdt*, Rm561Sdt

    2-2. RAV-RM401SDT*, RM561SDT* – 24 –...

  • Page 25: Wiring Diagrams

    3. WIRING DIAGRAMS – 25 –...

  • Page 26: Parts Rating

    4. PARTS RATING Indoor unit Model RAV- RM30∗ RM40∗ RM56∗ Fan motor SWF-280-60-3 Float switch FS-0218-102 Drain pump motor MDP-1401 TA sensor Lead wire length: 328 mm Vinyl tube TC sensor Ø6 size lead wire length: 1200 mm Vinyl tube (Black) TCJ sensor Ø6 size lead wire length: 1200 mm Vinyl tube (Red) –...

  • Page 27: Systematic Refrigerating Cycle Diagram

    5. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM 5-1. Indoor Unit • Single type (Combination of 1 indoor unit and 1 outdoor unit) (Indoor unit) Distributor (Strainer incorporated) TCJ sensor Strainer Heat exchanger TC sensor Heating Cooling Liquid side Gas side (Outer dia : ØB) (Outer dia : ØA) To outdoor unit To outdoor unit...
  • Page 28 • Triple type (3 indoor units and 1 outdoor unit) Heating Cooling (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 Heat Heat exchanger...
  • Page 29 • Double-twin type (4 indoor units and 1 outdoor unit) Heating Cooling (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 Liquid-side Gas-side (outer diameter: ØA)

  • Page 30: Fan Characteristics

    6. FAN CHARACTERISTICS 6-1. Slim Duct (Filter Attached) RM30 type RM40 type Standard air volume : 660 m³/h Standard air volume : 690 m³/h Upper limit of external static pressure (50Pa) High (50Pa) High (50Pa) Upper limit of external static pressure (50Pa) High Lower limit of Upper limit of...

  • Page 31: Indoor Control Circuit

    7. INDOOR CONTROL CIRCUIT 7-1. Indoor Controller Block Diagram 7-1-1. Connection of Wired (Simple) Remote Controller Wired remote controller (Max. 2 units) Weekly timer Display LCD Function setup Display LCD LCD driver Display LED Key switch Function setup Key switch DC5V DC5V Remote controller...

  • Page 32: Connection Of Wireless Remote Controller Kit

    7-1-2. Connection of Wireless Remote Controller Kit Wireless remote controller kit Receiver P.C. board (MCC-1504) Display LED Receive circuit Function setup SW Buzzer Grille up/down SW DC5V Power Remote controller Temporary circuit communication circuit operation SW Indoor unit #1 (Header) (Follower) (Follower) Indoor control P.C.

  • Page 33: Connection Of Both Wired (Simple) Remote Controller And Wireless Remote Controller Kit

    7-1-3. Connection of Both Wired (Simple) Remote Controller and Wireless Remote Controller Kit Master wired remote controller Wireless remote controller kit (Max. 2 units) Weekly timer Receiver P.C. board Display LED Display Function Display (MCC-1504) setup driver Receive Function setup SW Display circuit switch...

  • Page 34: Control Specifications

    7-2. 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. 2) Setting of indoor fan speed and existence of air direction adjustment Based on EEPROM data, select setting of the indoor fan Air speed (rpm)/...
  • Page 35 Item Outline of specifications Remarks Room temp. 2) Using the Item code 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 Setting at shipment Setup data Automatic...
  • Page 36 Item Outline of specifications Remarks Air speed selection 1) Operation with (HH), (H+), (H), (L+) (L) or [AUTO] mode HH > H+ > H > L+ > L > UL is carried out by the command from the remote controller. 2) When the air speed mode [AUTO] is selected, the air speed varies by the difference between Ta and Ts.
  • Page 37 Item Outline of specifications Remarks Air speed Standard Type 1 Type 3 Type 6 CODE No. selection Selection of External [5d] 0000 0001 0003 0006 (Continued): static pressure SW501 (1)/(2) OFF/OFF ON/OFF OFF/ON OFF/ON CODE No. :[5d] or COOL HEAT COOL HEAT COOL HEAT COOL HEAT selection of External static pressure on...
  • Page 38 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. As shown below, the upper limit of the volume selection setup revolution frequency is restricted.
  • Page 39 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.
  • Page 40 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. by connecting to either header or 2) This control outputs start/stop status to HA output terminal.
  • Page 41 Item Outline of specifications Remarks DC motor 1) When the fan operation has started, positioning of thestat or and the rotor are performed. (Moves slightly with tap sound) 2) The motor operates according to the command from the indoor controller. Notes) •...

  • Page 42: Indoor Print Circuit Board

    7-3. Indoor Print Circuit Board <MCC-1570> – 42 –...

  • Page 43: Optional Connector Specifications Of Indoor P.c. Board

    7-4. Optional connector specifications of indoor P.C. board – 43 –...

  • Page 44: Troubleshooting

    8. TROUBLESHOOTING 8-1. Summary of Troubleshooting <Wired remote controller type> 1. Before troubleshooting 1) Required tools/instruments • + and – 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.
  • Page 45 <Wireless remote controller type> 1. Before troubleshooting 1) Required tools/instruments • + and – 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. •...

  • Page 46: Troubleshooting

    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.
  • Page 47 Lamp indication Check code Cause of trouble occurrence Operation Timer Ready Heat exchanger sensor (TCJ) trouble Heat exchanger sensor (TC) trouble Indoor unit sensor trouble Alternate flash Heat exchanger sensor (TA) trouble Discharge temp. sensor (TD) trouble Temp. sensor (TE) trouble Operation Timer Ready Temp.

  • Page 48: Others (Other Than Check Code)

    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 –...

  • Page 49: Check Code List (Indoor)

    – 49 –...
  • Page 50 Trouble 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 Displayed when Stop trouble is controller (including wireless) and Remote controller LCD display OFF (Disconnection) (Automatic reset)
  • Page 51 Trouble 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 trouble of remote controller, Indoor EEPROM trouble 1. Check remote controller inter-unit wiring. No communication with header indoor unit 2.

  • Page 52: Diagnostic Procedure For Each Check Code (Indoor Unit)

    8-2-4. Diagnostic Procedure for Each Check Code (Indoor Unit) Check code [E01 trouble] 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 trouble of connector on harness Check circuit wiring.
  • Page 53 [E04 trouble] 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.
  • Page 54 [E18 trouble] Is inter-unit cable Correct inter-unit cable of remote controller. of A and B normal? Is there no disconnection Correct connection of connector. or contact trouble of connector on harness from terminal block Check circuit wiring. of indoor unit? Is group control operation? Check power connection status of indoor unit...
  • Page 55 [L20 trouble] 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. board (MCC-1570). Defect →...
  • Page 56 [P10 trouble] Is connection of float switch connector Correct connection (Indoor control board CN34) of connector. normal? Check indoor P.C. board (MCC-1570). Does float switch work? Is circuit wiring normal? Defect → Replace Check and correct wiring and wire circuit. Does drain pump work? Replace drain pump Is power of...
  • Page 57 [P12 trouble] Turn off the power. Is there no connection error or disconnection on connectors CN333 Correct connection and CN334 of indoor unit P.C. board of connector. (MCC-1570)? CN333 Remove connectors CN333 and CN334 of indoor unit P.C. board (MCC-1570). CN334 Does the fan rotate without trouble Replace indoor fan motor.
  • Page 58 [P19 trouble] Is operation of 4-way valve normal? Are 1.3 to 1.6k 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. board. Defective →...
  • Page 59 [F02 trouble] 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 TC Characteristics. Check indoor P.C. board (MCC-1570). Defect → Replace [F01 trouble] Is connection of TCJ sensor connector Correct connection of connector.
  • Page 60 [C06 trouble] (“1:1 model” connection interface) n i l n i l 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. board Check connection of A and B terminal blocks.
  • Page 61 [E03 trouble] (Header indoor unit) [E03 trouble] 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.
  • Page 62 Temperature sensor Temperature – Resistance value characteristic table TA, TC, TCJ, TE, TS, TO sensors TD, TL sensors Representative value Representative value Resistance value (k Ω) Resistance value (k Ω) Temperature Temperature (˚C) (˚C) (Minimum value) (Standard value) (Maximum value) (Minimum value) (Standard value) (Maximum value) 32.33 33.80...

  • Page 63: Replacement Of Service P.c. Board

    9. REPLACEMENT OF SERVICE P.C. BOARD 9-1. Indoor Unit CAUTION ∗∗∗ ∗ <Model name: RAV-RM > For the above models, set the CODE No. “ ” and the setting data “0000” (initial) to “0001”. <Note: when replacing the P.C. board for indoor unit servicing> The nonvolatile memory (hereafter called EEPROM, IC503) on the indoor unit P.C.
  • Page 64 [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. Step 1 Push button on the remote controller simultaneously for more than 4 seconds. ∗...
  • Page 65 b) Group operation (including twin triple and double twin system) Turn on the indoor unit(s) with its P.C. board replaced to the P.C. board for indoor unit servicing, according to either methods 1 or 2 shown below. 1. Turn on only the indoor unit with its P.C. board replaced. (Be sure to confirm the remote controller is surely connected.
  • Page 66 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].
  • Page 67 Table 1. Setting data (CODE No. table (example)) CODE No. (DN) Item Setting data Factory-set value Filter sign lighting time Depending on Type Filter pollution level 0000: standard Central control address 0099: Not determined Heating suction temperature shift 0002: +2 ˚C Cooling only 0000: Heat pump Type...

  • Page 68: Setup At Local Site And Others

    10. SETUP AT LOCAL SITE AND OTHERS 10-1. Indoor Unit 10-1-1. Test Run Setup on Remote Controller <Wired remote controller> 1. When pushing button on the remote controller for 4 seconds or more, “TEST” is displayed on LC display. Then push button.

  • Page 69: Forced Defrost Setup Of Remote Controller (For Wired Remote Controller Only)

    10-1-2. Forced Defrost Setup of Remote Controller (For wired remote controller only) (Preparation in advance) 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 header indoor unit address in the group control. Every pushing button (button of the left side), the indoor unit No.

  • Page 70: Function Selection Setup

    10-1-4. Function Selection Setup <Procedure> Perform setting while the air conditioner stops. Push buttons simultaneously for 4 seconds or more. The first displayed unit No. is the header indoor unit address in the group control. In this time, fan and louver of the selected indoor unit operate. Every pushing button (button at left side), the indoor unit No.
  • Page 71 Function CODE No. (DN Code) table (includes all functions needed to perform applied control on site) Item Description At shipment Filter display delay timer 0000: None 0001: 150H 0002 : 2500H 0002: 2500H 0003: 5000H 0004: 10000H Dirty state of filter 0000: Standard 0000: Standard 0001: High degree of dirt (Half of standard time)

  • Page 72: Wiring And Setting Of Remote Controller Control

    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 as sub This control is to operate 1 or multiple indoor units remote controller are operated by 2 remote controllers. Change DIP switch inside of the rear side of the (Max.
  • Page 73 <Wireless remote controller> Wireless remote controller A-B selection Using 2 wireless remote controllers for the respective air conditioners, when the 2 air conditioners are closely installed. Wireless remote controller B setup 1. Push the START/STOP button to operate the air conditioner. Push it again to stop the air conditioner. 2.

  • Page 74: Monitor Function Of Remote Controller Switch

    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 understood by calling the service monitor mode from the remote controller. <Procedure> Push buttons simultaneously for 4 seconds to call the service monitor mode.
  • Page 75 Calling of trouble history <Contents> The trouble contents in the past can be called. <Procedure> Push buttons simultaneously for 4 seconds or more to call the service check mode. TEMP. ON / OFF 01 01 01 01 01 Service Check goes on, the CODE No. is displayed, and then the content of the latest alarm is displayed.
  • Page 76 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>...

  • Page 77: Setup At Local Site / Others

    10-2. Setup at Local Site / Others Model name: TCB-PCNT30TLE2 10-2-1. 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...
  • Page 78 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 Up to 1000m: twisted wire 1.25mm system. If mixed in the SMMS system, the wire length is Up to 2000m: twisted wire 2.0mm lengthened with all indoor/outdoor inter-unit wire length at side.

  • Page 79: How To Set Up Central Control Address Number

    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. 10-3.

  • Page 80: Address Setup

    11. ADDRESS SETUP 11-1. 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.

  • Page 81: Address Setup & Group Control

    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 = 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/...
  • Page 82 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 &...

  • Page 83: Automatic Address Example From Unset Address (No Miswiring)

    11-2-2. Automatic Address Example from Unset Address (No miswiring) 1. Standard (One outdoor unit) (1-1) (1-2) (1-3) (1-1) (1-2) 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 Header/Master...

  • Page 84: Address Setup (Manual Setting From Remote Controller)

    11-3. Address Setup (Manual Setting from Remote Controller) In case that addresses of the indoor units will be (Example of 2-lines wiring) determined prior to piping work after wiring work (Real line: Wiring, Broken line: Refrigerant pipe) • Set an indoor unit per a remote controller. Outdoor Outdoor •...

  • Page 85: Confirmation Of Indoor Unit No. Position

    11-4. 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>...
  • Page 86 <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.

  • Page 87: Detachments

    12. DETACHMENTS WARNING CAUTION Be sure to stop operation of the air conditioner before Be sure to put on gloves during working time; work and then turn off switch of the breaker. otherwise an injury will be caused by a part etc. Part name Procedure Remarks...
  • Page 88 Part name Procedure Remarks 1. Detachment E-cover 1) Perform work 1. of 2) Take off screws fixing E-cover, and then remove hooks of the hooking part by lifting up. (Ø4 × 10, 2 pcs) 2. Attachment 1) Hang on E-cover to hooks of the hooking part E-cover E-cover E-cover...
  • Page 89 Part name Procedure Remarks 1. Detachment P.C. board assembly P.C. board assembly 1) Perform works 1. of , 1. of , and 1. of 2) Disconnect connectors which are connected from P.C. board assembly to other parts. NOTE) Unlock the lock of the housing to disconnect the connectors.
  • Page 90 Part name Procedure Remarks 1. Detachment Fan motor 1) Perform works 1. of , 1. of , and 1. of 2) Remove lead wires which are connected to the following connectors of P.C. board assembly. NOTE) Unlock locks of the housing, and then remove the connectors.
  • Page 91 Part name Procedure Remarks 1. Detachment Drain pump, Float switch, 1) Perform works in procedures 1. of , 1. of Drain hose Drain hose 1. of Hose band 2) Disconnect lead wires which are connected to Drain pump the following connectors of P.C. board assembly. NOTE) Unlock locks of the housing to remove the connectors.

  • Page 92: Exploded Views And Parts List

    13. EXPLODED VIEWS AND PARTS LIST RAV-RM301SDT-E (TR), RM401SDT-E (TR), RM561SDT-E( TR) 213, 218, 223 224, 227, 233 TEST SETTING 225, 226, 232 242, 243 TOSHIBA – 92 –...
  • Page 93 Q'ty/Set RAV-RM Location Part No. Description 301SDT-E 401SDT-E 561SDT-E 4312C040 MOTOR, FAN 43120257 FAN, MULTI BLADE 43170244 HOSE, DRAIN 4314J575 REFRIGERATION CYCLE ASSY 4314J576 REFRIGERATION CYCLE ASSY 43122175 CASE,FAN,LOWER 43122176 CASE,FAN,UPPER 43100319 PLATE, INLET-B 43172183 PAN ASSY, DRAIN 43149497 SOCKET,1/4,IN 43179129 CAP DRAIN 43170240...
  • Page 94 Q'ty/Set RAV-RM Location Part No. Description 301SDT-TR 401SDT-TR 561SDT-TR 4312C040 MOTOR, FAN 43120257 FAN, MULTI BLADE 43170244 HOSE, DRAIN 4314J575 REFRIGERATION CYCLE ASSY 4314J576 REFRIGERATION CYCLE ASSY 43122175 CASE,FAN,LOWER 43122176 CASE,FAN,UPPER 43100319 PLATE, INLET-B 43172183 PAN ASSY, DRAIN 43149497 SOCKET,1/4,IN 43179129 CAP DRAIN 43170240...
  • Page 95 <E-parts assembly> 403 TERMINAL BLOCK,3P,20A 407 CLAMP,UP 406 CLAMP,DOWN 404 TERMINAL,2P 405 P.C. BOARD ASSY 401 SENSOR ASSY,SERVICE(F6) 402 SENSOR,SERVICE Q'ty/Set RAV-RM Location Part No. Description 301SDT-E 401SDT-E 561SDT-E 301SDT-TR 401SDT-TR 561SDT-TR 43050425 SENSOR ASSY, SERVICE, TC (F6) 43F50426 SENSOR, SERVICE, TA 43160565 TERMINAL BLOCK, 3P, 20A 43160568...
  • Page 96 TOSHIBA CARRIER CORPORATION 72-34 Horikawa-cho, Saiwai-ku, Kawasaki-shi, Kanagawa 212-8585, JAPAN Copyright © 2018 TOSHIBA CARRIER CORPORATION, ALL Rights Reserved.

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