Toshiba RAV-RM301MUT-E Service Manual
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Toshiba RAV-RM301MUT-E Service Manual

Compact 4-way cassette type
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SERVICE MANUAL
AIR-CONDITIONER (SPLIT TYPE)
INDOOR UNIT
<Compact 4-way Cassette type>
RAV-RM301MUT-E (TR)
RAV-RM401MUT-E (TR)
RAV-RM561MUT-E (TR)
FILE NO. A10-1811
PRINTED IN JAPAN, Mar., 2018
ToMo

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Summary of Contents for Toshiba RAV-RM301MUT-E

  • Page 1 FILE NO. A10-1811 SERVICE MANUAL AIR-CONDITIONER (SPLIT TYPE) INDOOR UNIT <Compact 4-way Cassette type> RAV-RM301MUT-E (TR) RAV-RM401MUT-E (TR) RAV-RM561MUT-E (TR) PRINTED IN JAPAN, Mar., 2018 ToMo...

  • Page 2: Table Of Contents

    10-3. Address Setup (Manual Setting from Remote Controller) ........... 92 10-4. Confirmation of Indoor Unit No. Position ..............93 11. DETACHMENTS ....................95 12. EXPLODED VIEWS AND PARTS LIST ............. 103 12-1. RAV-RM301MUT-E, RM401MUT-E, RM561MUT-E ............103 12-2. RAV-RM301MUT-TR, RM401MUT-TR, RM561MUT-TR ..........105 – 2 –...
  • 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 presser level (dB(A)) Weight (kg) Model Main unit (Ceiling panel) Cooling Heating ∗ ∗ RAV-RM301MUT-E 15 (2.5) ∗ ∗ RAV-RM401MUT-E 15 (2.5) ∗ ∗ RAV-RM561MUT-E 15 (2.5) ∗ ∗ RAV-RM301MUT-TR 15 (2.5) ∗ ∗ RAV-RM401MUT-TR 15 (2.5) ∗...

  • 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> Model name Indoor Unit RAV-RM 561MUT-E Outdoor Unit RAV-GP 561ATP-E Cooling capacity (Rated (Min.-Max.)) 5.0 (1.2-5.6) Heating capacity (Rated (Min.-Max.)) 5.6 (0.9-7.0) Power supply 1 phase 50Hz 230V (220V-240V) Electrical Cooling Running current 7.49 - 6.87 characteristics Power consumption...
  • Page 20 SDI combination (R410A) <Single type> Model name Indoor Unit RAV-RM 401MUT-E 561MUT-E Outdoor Unit RAV-SP 404ATP-E 564ATP-E Cooling capacity (Rated (Min.-Max.)) 3.6 (1.5 - 4.0) 5.0 (1.2 - 5.6) Heating capacity (Rated (Min.-Max.)) 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> Model name Indoor Unit RAV-RM 301MUT-E 401MUT-E 561MUT-E Outdoor Unit RAV-SM 304ATP-E 404ATP-E 564ATP-E Cooling capacity (Rated (Min.-Max.)) 2.5 (0.9 - 3.0) 3.6 (0.9 - 4.0) 5.0 (1.5 - 5.6) Heating capacity (Rated (Min.-Max.)) 3.4 (0.8 - 4.5) 4.0 (0.8 - 5.0) 5.3 (1.5 - 6.3) Power supply...
  • Page 22 – 22 –...

  • Page 23: Construction Views (External Views)

    2. CONSTRUCTION VIEWS (EXTERNAL VIEWS) 2-1. RAV-RM301MUT* – 23 –...

  • Page 24: Rav-Rm401Mut*, Rm561Mut

    2-2. RAV-RM401MUT*, RM561MUT* – 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 ICF-340D60-1 Louver motor MSBPC20F04 Float switch FS-0218-102 Drain pump motor MDP-1401 TA sensor Lead wire length: 818 mm Vinyl tube TC sensor Ø6 size lead wire length: 500 mm Vinyl tube (Black) TCJ sensor Ø6 size lead wire length: 400 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 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) (outer diameter: ØB)

  • Page 30: Indoor Control Circuit

    6. INDOOR CONTROL CIRCUIT 6-1. Indoor Controller Block Diagram 6-1-1. Connection of Wired (Simple) Remote Controller Wired simple Schedule Display LCD Function setup Display LCD LCD driver Key switch Display LED Function setup Key switch DC5V DC5V Remote controller Power circuit communication circuit Power Secondary...

  • Page 31: Connection Of Wireless Remote Controller Kit

    6-1-2. Connection of Wireless Remote Controller Kit Indoor unit #1 (Header) (Follower) (Follower) Indoor control P .C. board (MCC-1643) DC20V Remote controller EEPROM communication circuit DC5V TA sensor DC12V TC sensor TCJ sensor Same as left Same as left Louver ∗2 ∗2 Driver...

  • Page 32: Connection Of Both Wired (Simple) Remote Controller And Wireless Remote Controller Kit

    6-1-3. Connection of Both Wired (Simple) Remote Controller and Wireless Remote Controller Kit Wired (simple) master remote controller Schedule timer (Max. 2 units) Display Function Display setup driver Display switch Function setup DC5V switch Remote controller Power DC5V communication circuit circuit Power Secondary...

  • Page 33: Control Specifications

    6-2. 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 34 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 35 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 36 Item Outline of specifications Remarks Air speed * Only RM30 can not set up Type 1 and Type 3. selection Selection of high ceiling Standard Type 1* Type 3* (Continued): CODE No. type CODE No. : [5d] 0000 0001 0003 [5d] or selection of high SW501 (1)/(2) OFF/OFF...
  • Page 37 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 38 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 39 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.
  • Page 40 Item Outline of specifications Remarks Louver control <<Selection of Swing mode>> (Continued) • For the Swing mode, the following three types of modes are selectable and settable by keeping Swing/Direction SWING/FIX button pushed for 4 seconds or more on the remote controller.
  • Page 41 Item Outline of specifications Remarks Louver control • If there is the locked louver in the unit, [ ] goes on the For the setting (Continued) remote controller screen. operation, refer to [How to set louver • While the following controls are performed, the louvers lock] of Installation operate even if executing the louver lock.
  • Page 42 Item Outline of specifications Remarks Central control mode 1) Setting at the central controller side enables to select the selection contents which can be operated on the remote controller at indoor unit side. ∗ In case of the wireless type, the display lamp does not change but the contents are same.
  • Page 43 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. Notes) •...
  • Page 44 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 g roup connection, units if there is even one...

  • Page 45: Indoor Print Circuit Board

    6-3. Indoor Print Circuit Board <MCC-1643> – 45 –...

  • Page 46: Optional Connector Specifications Of Indoor P.c. Board

    6-4. Optional connector specifications of indoor P.C. board – 46 –...

  • Page 47: Troubleshooting

    7. TROUBLESHOOTING 7-1. 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 48 <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 49: Troubleshooting

    7-2. Troubleshooting 7-2-1. 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 50 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 51: Others (Other Than Check Code)

    7-2-2. 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 52: Check Code List (Indoor)

    – 52 –...
  • Page 53 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 54 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 55: Diagnostic Procedure For Each Check Code (Indoor Unit)

    7-2-4. 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 56 [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 57 [E11 trouble] 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 failure of external output board of input/output board.
  • Page 58 [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 59 [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-1643). Defect →...
  • Page 60 [P10 trouble] 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. Does drain pump work? Replace drain pump Is power of...
  • Page 61 [P12 trouble] Power off. Is not connection trouble 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.
  • Page 62 [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 63 [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-1643). Defect → Replace [F01 trouble] Is connection of TCJ sensor connector Correct connection of connector.
  • Page 64 [F30 trouble] Is connection of the occupancy Correct the connector sensor connector connection. (CN214) normal? By the wired remote controller, change the Is DN code [B5] setup? enable DN code [B5] from [0000] → [0001] Is the Occupancy Exchange the Occupancy sensor unit normal? sensor unit Check the indoor main...
  • Page 65 [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 66 [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 67 [Wireless remote controller trouble] Use wireless remote Was wireless Ye s controller at the first time remote controller used after install RBC-AX32UM at the first Is connection of lead wire between Repair the connection. CN214 of indoor P.C.board and RBC-AX32UM correct? Ye s Replace the RBC-AX32UM...
  • Page 68 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 69: Replacement Of Service P.c. Board

    8. REPLACEMENT OF SERVICE P.C. BOARD 8-1. 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 70 [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 71 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 72 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 73 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 74: Setup At Local Site And Others

    9. SETUP AT LOCAL SITE AND OTHERS 9-1. Indoor Unit 9-1-1. 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 75 Repeat procedures → → → → → → → → → → → → → → → Indicators “Operation” (green), “Timer” (green), and “Ready” (orange) in the wireless receiver section flash in approx. 10 seconds, and the air conditioner starts operation. If any of these indicators does not flash, repeat procedures 2 to 5.

  • Page 76: Forced Defrost Setup Of Remote Controller (For Wired Remote Controller Only)

    9-1-2. 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 77: Function Selection Setup

    9-1-4. 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 78 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 79 Item Description At shipment Occupancy sensor 0000: Stand by 0001: operation stop 0000: Stand by operation at absent time Whether the power 0000: Invalid 0001: Valid 0001: Valid saving mode can be set by the remote controller Wireless remote 0000: A 0001: B 0000: A controller A-B selection...

  • Page 80: Wiring And Setting Of Remote Controller Control

    9-1-5. 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 81 <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. Address (A-B selection) must be changed on both signal receiving unit and wireless remote controller.

  • Page 82: Monitor Function Of Remote Controller Switch

    9-1-6. 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 83 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 84 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 85: Setup At Local Site / Others

    9-2. Setup at Local Site / Others Model name: TCB-PCNT30TLE2 9-2-1. 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 86 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 87: 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. 9-3.

  • Page 88: Address Setup

    10. ADDRESS SETUP 10-1. 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 89: Address Setup & Group Control

    10-2. 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 90 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 91: Automatic Address Example From Unset Address (No Miswiring)

    10-2-2. 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 92: Address Setup (Manual Setting From Remote Controller)

    10-3. 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 93: Confirmation Of Indoor Unit No. Position

    10-4. 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 94 <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 95: Detachments

    11. 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. No.
  • Page 96 No. Part name Procedure Remarks 1. Detachment Adjust corner cap 1) Remove the air intake grille. (Refer to 1 of 2) Loosen the fixing screws on the adjust corner cap. (Ø4 × 12, 4 pcs.) Adjust corner 3) Slide the adjust corner cap to outside to remove it. Screw 2.
  • Page 97 No. Part name Procedure Remarks 1. Detachment Control P.C. board 1) Remove the electric parts cover. (Refer to 1 of 2) Remove connectors which are connected from the control P.C. board to the other parts and then remove wiring from the clamp. NOTE Unlock the lock of the housing part and then remove the connector.
  • Page 98 No. Part name Procedure Remarks 1. Detachment Drain pan 1) Remove the ceiling panel and the electrical parts covers. Fixing screws (Refer to items -1 and -1.) 2) Remove the wiring cover. (Fixing screw Ø4 × 8, 3pcs.) 3) Remove the wiring fixing plate. (Fixing screw Ø4 ×...
  • Page 99 No. Part name Procedure Remarks 1. Detachment Drain pump 1) Remove the drain pan. (Refer to -1.) 2) Remove the drain pump connector (CN504: 2P, White) connected to the control P.C. board and remove the lead wires from the clamp. 3) Remove the fixing screws to remove the drain pump.
  • Page 100 No. Part name Procedure Remarks 1. Detachment Fan motor Shoulder screws (Black) 1) Remove the turbo fan, electric parts cover, wiring cover and wiring fixing plate. (Refer to -1-2, -1-3.) 2) Remove the fan motor connector (CN210, White, 7P) Motor lead wire cover connected to the control P.C.
  • Page 101 No. Part name Procedure Remarks 1. Detachment TA sensor Adjust position of the tube so that the tube of 1) Remove the panel, electric parts box cover, wiring TA sensor will be included in the cover. cover and wiring fixing plate. (Refer to -1-2, -1-3.)
  • Page 102 No. Part name Procedure Remarks 1. Detachment Heat exchanger 1) Recover refrigerant gas. 2) Remove the refrigerant pipe at indoor unit side. 3) Remove the drain pan. (Refer -1.) 4) Disconnect the heat exchanger sensor (TC1, TC2, TCJ), PMV lead wires connectors from the control P.C. board, and then remove their lead wires from the clamp.

  • Page 103: Exploded Views And Parts List

    12. EXPLODED VIEWS AND PARTS LIST 12-1. RAV-RM301MUT-E, RM401MUT-E, RM561MUT-E RAV-RM301MUT-E 209, 210 RAV-RM401MUT-E ~ RM561MUT-E 238, 239 TOSHIBA PRESET TEMP MODE COMFORT QUIET SLEEP TEST SWING HI-POWER TIMER SLEEP FILTER CLOCK 245, 246 – 103 –...
  • Page 104 Q’ty/Set RAV-RM Location Part No. Description 301MUT-E 401MUT-E 561MUT-E 43120277 FAN, ASSY TURBO 43122165 BELL MOUTH 43172259 PAN ASSY, DRAIN 4312C161 MOTOR, FAN, ICF-340D60-1(N) 4314J573 REFRIGERATION CYCLE ASSY 4314J574 REFRIGERATION CYCLE ASSY 43149499 NUT,FLARE,1/4,IN 43149497 SOCKET,1/4,IN 43149501 NUT,FLARE,1/2,IN 43149500 NUT,FLARE,3/8,IN 43149494 SOCKET,1/2,IN 43149498...

  • Page 105: Rav-Rm301Mut-Tr, Rm401Mut-Tr, Rm561Mut-Tr

    12-2. RAV-RM301MUT-TR, RM401MUT-TR, RM561MUT-TR RAV-RM301MUT-TR 209, 210 RAV-RM401MUT-TR ~ RM561MUT-TR 238, 239 TOSHIBA PRESET TEMP MODE COMFORT QUIET SLEEP TEST SWING HI-POWER TIMER SLEEP FILTER CLOCK 245, 246 – 105 –...
  • Page 106 Q’ty/Set RAV-RM Location Part No. Description 301MUT-TR 401MUT-TR 561MUT-TR 43120277 FAN, ASSY TURBO 43122165 BELL MOUTH 43172259 PAN ASSY, DRAIN 4312C161 MOTOR, FAN, ICF-340D60-1(N) 4314J573 REFRIGERATION CYCLE ASSY 4314J574 REFRIGERATION CYCLE ASSY 43149499 NUT,FLARE,1/4,IN 43149497 SOCKET,1/4,IN 43149501 NUT,FLARE,1/2,IN 43149500 NUT,FLARE,3/8,IN 43149494 SOCKET,1/2,IN 43149498...
  • Page 107 E-Parts RAV-RM301MUT-E, RM401MUT-E, RM561MUT-E RAV-RM301MUT-TR, RM401MUT-TR, RM561MUT-TR PC BOARD ASSY CN22 SW501 CLAMP,UP CLAMP,DOWN TERMINAL,2P TERMINAL BLOCK,3P,20A SENSOR ASSY,SERVICE(F6) SENSOR,SERVICE PC BOARD ASSY Q’ty/Set RAV-RM Location 301MUT-E 401MUT-E 561MUT-E Part No. Description 301MUT-TR 401MUT-TR 561MUT-TR 43050425 SENSOR ASSY, SERVICE, TC(F6)
  • Page 108 Ceiling panel RBC-UM21PG (W)-E TOSHIBA" " Mark Location Q’ty/Set Part No. Description RBC-UM21PG(W)-E 43109441 GRILLE, AIR INLET 43180361 AIR FILTER 4342D001 MOTOR, LOUVER, MSBPC20F04 43107296 OUTLET, AIR FORM 43107297 OUTLET, AIR FORM 43122166 LOUVER ASSY 4310A142 COVER, PANEL ASSY 4310A143...
  • Page 109 Wireless remote controller kit RBC-AX32UM (W)-E Location Q’ty/Set Part No. Description RBC-AX32UM(W)-E 4316V616 PC BOARD ASSY, REMOTE RECIEVER 43162088 COVER, WRS 43108036 COVER, PANEL WRS 43160665 LEAD 43408061 COVER, WIRELESS 43166018 REMOTE CONTROLLER, WIRELESS, WH-L11SE 43F83071 HOLDER, REMOTE, CONTROLLER – 109 –...
  • Page 110 Occupancy sensor TCB-SIR41UM-E Location Q’ty/Set Part No. Description TCB-SIR41UM-E 43162088 COVER, WRS 43108037 COVER, PANEL WRS 43160666 LEAD 43408062 COVER, SENSOR 43469067 THERMOSTAT – 110 –...
  • Page 111 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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