Toshiba MMK-AP0074MHP-E1 Service Manual
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Toshiba MMK-AP0074MHP-E1 Service Manual

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FILE NO. SVM-14078
SERVICE MANUAL
MULTI TYPE
<High Wall Type>
MMK-AP0074MHP-E1
MMK-AP0094MHP-E1
MMK-AP0124MHP-E1
MMK-AP0074MHP-TR1
MMK-AP0094MHP-TR1
MMK-AP0124MHP-TR1
• This Service Manual describes contents of the new High Wall indoor unit.
For the outdoor unit, refer to the Manual with FILE NO. A10-005, A05-004-1, A05-015.
• The service parts will be supplied by TCTC.
R410A

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  • Page 1 FILE NO. SVM-14078 SERVICE MANUAL MULTI TYPE <High Wall Type> MMK-AP0074MHP-E1 MMK-AP0094MHP-E1 MMK-AP0124MHP-E1 MMK-AP0074MHP-TR1 MMK-AP0094MHP-TR1 MMK-AP0124MHP-TR1 • This Service Manual describes contents of the new High Wall indoor unit. For the outdoor unit, refer to the Manual with FILE NO. A10-005, A05-004-1, A05-015.

  • Page 2: Table Of Contents

    FILE NO. SVM-14078 CONTENTS PRECAUTION FOR SAFETY ................6 NEW REFRIGERANT (R410A) ............... 12 1. CONSTRUCTION VIEWS (EXTERNAL VIEWS) ........14 2. WIRING DIAGRAM ................... 15 3. PARTS RATING..................16 4. REFRIGERANTING CYCLE DIAGRAM ........... 17 5. CONTROL OUTLINE ................18 6.
  • Page 3 Toshiba Carrier Corporation or, alternatively, he or she has been instructed in such matters by an individual or individuals who have been trained and is thus Qualified installer thoroughly acquainted with the knowledge related to this work.
  • Page 4 FILE NO. SVM-14078 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 FILE NO. SVM-14078 Warning Indications on the Air Conditioner Unit [Confirmation of warning label on the main unit] Confirm that labels are indicated on the specified positions If removing the label during parts replace, stick it as the original. Warning indication Description WARNING WARNING...

  • Page 6: Precaution For Safety

    FILE NO. SVM-14078 Precautions 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 for both the indoor and outdoor units to the OFF position.
  • Page 7 FILE NO. SVM-14078 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 FILE NO. SVM-14078 When any of the electrical parts are to be replaced, ensure that the replacement parts satisfy the specifications given in the Service Manual (or use the parts contained on the parts list in the Service Manual). Use of any parts which do not satisfy the required specifications may give rise to electric shocks, Use specified smoking and/ or a fire.
  • Page 9 FILE NO. SVM-14078 When the refrigerant gas leaks during work, execute ventilation. If the refrigerant gas touches to a fire, poisonous gas generates. A case of leakage of the refrigerant and the closed room full with gas is dangerous because a shortage Ventilation of oxygen occurs.
  • Page 10 FILE NO. SVM-14078 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 11 ∗ ∗ MMK-AP0124MHP-TR1 ∗ Under 70 dBA DECLARATION OF CONFORMITY Manufacturer: Toshiba Carrier (Thailand) Co., Ltd. 144/9 Moo5, Bangkadi Industrial Park, Tivanon Road, Tambol Bangkadi, Amphur Muang, Pathumthani 12000 Thailand Authorized Representative/ Nick Ball TCF holder: Toshiba EMEA Engineering Director Toshiba Carrier UK Ltd.

  • Page 12: New Refrigerant (R410A)

    FILE NO. SVM-14078 • 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.
  • Page 13 FILE NO. SVM-14078 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)

  • Page 14: Construction Views (External Views)

    FILE NO. SVM-14078 1. CONSTRUCTION VIEWS (EXTERNAL VIEWS) ∗ ∗ ∗ Model: MMK-AP0074MHP , AP0094MHP , AP0124MHP Air inlet part Air outlet gril Knockout Knockout 54.5 54.5 Hock for insulation plate Drain pipe Refrigerant pipe connecting port Refrigerant pipe connecting port Gas side Ø9.5 Liquid side Ø6.4 (Installation space)

  • Page 15: Wiring Diagram

    FILE NO. SVM-14078 2. WIRING DIAGRAM...

  • Page 16: Parts Rating

    FILE NO. SVM-14078 3. PARTS RATING 3-1. Parts Rating Parts Name Type Specications ICF-340-30 Fan motor (for indoor) Output (Rated) 30W, 280-340V DC MF-340-30 Grille motor MP24Z Thermo. Sensor (TA sensor) 318mm 10kΩ at 25°C Heat exchanger sensor (TC1 sensor) Ø4, 600mm 10kΩ...

  • Page 17: Refrigeranting Cycle Diagram

    FILE NO. SVM-14078 4. REFRIGERANTING CYCLE DIAGRAM Liquid side Gas side Strainer Capillary tube Air heat exchanger at indoor side Strainer Sensor (TCJ) Sensor (TC2) Sensor (TC1) Sensor Fan motor (TA) Functional part name Functional outline Temp. sensor 1. TA (Connector CN104 (2P): White) 1) Detects indoor suction temperature 2.

  • Page 18: Control Outline

    FILE NO. SVM-14078 5. CONTROL OUTLINE 5-1. Indoor Unit Control Specifications Item Outline of specifications Remarks Power supply (1) Distinction of outdoor unit • Judgment of outdoor unit is reset. When the power supply is reset, the outdoor units are •...
  • Page 19 FILE NO. SVM-14078 Item Outline of specifications Remarks Prevention of (1) In heating operation, the upper limit of the fan tap is set by cold air one with higher temperature of TC2 sensor and TCJ sensor. discharge • When B zone has continued for 6 minutes, the operation •...
  • Page 20 FILE NO. SVM-14078 Item Outline of specifications Remarks Cooling oil While the outdoor unit is recovering cooling oil (refrigerant), the • Recovery operation (refrigerant) indoor units perform the following control tasks: normally takes place recovery control [common for operational (cooling thermo ON/thermo OFF/FAN), roughly every 2 hours.
  • Page 21 FILE NO. SVM-14078 Item Outline of specifications Remarks Filter sign display (1) The operation time of the indoor fan is integrated and (None in wireless type) stored in memory, and the filter exchange signal is sent to the remote controller to display on the remote ∗...
  • Page 22 FILE NO. SVM-14078 Item Outline of specifications Remarks Hi POWER When you press the Hi POWER button during cooling, operation heating or A operation, the air conditioner will start the (Wireless remote following operation. control specific • Cooling operation operations) Performs the cooling operation at 1°C lower than the setting temperature.
  • Page 23 FILE NO. SVM-14078 Item Outline of specifications Remarks MEMORY operation Start the air conditioner in the operation mode which you want the remote control to memorize. (1) Press this button briefly to standby memorizing the setting. All the icons currently displayed except for the clock display and mark flashes.

  • Page 24: Configuration Of Control Circuit

    FILE NO. SVM-14078 6. CONFIGURATION OF CONTROL CIRCUIT 6-1. Indoor Controller Block Diagram 6-1-1. Case of Main (Sub) Remote Controller Connected...
  • Page 25 FILE NO. SVM-14078 6-1-2. Case of Wireless Remote Controller Kit Connected...
  • Page 26 FILE NO. SVM-14078 6-2. Indoor P.C. Board MCC-1510 TCJ sensor Microcomputer operation LED CN102, DC 5V TC sensor EEPROM Inter-unit wire CN101, DC 5V IC10 CN67, AC 200V HA (T10) CN61, DC 12V Option power supply CN309, AC 200V Option output CN60, DC 12V CN71, DC 5V DISP...
  • Page 27 FILE NO. SVM-14078 Wall-Type P.C. Board Optional Switch/Connector Specifications Connector Function Specifications Remarks OFF: No terminator resistor, Setup at shipment OFF: No terminator resistor. Terminator resistor Bit 1 ON: Terminator resistor provided Only 1 unit is ON during central control by custom only. provided/Not provided SW01 OFF: Remote controller A...
  • Page 28 FILE NO. SVM-14078 6-3. Functions at test run n Cooling/Heating test run check The test run for cooling/heating can be performed from either indoor remote controller or outdoor interface P .C. board. 1. Start/Finish operation of test run ¤ Test run from indoor remote controller Wired remote controller: Refer to the below item of “Test run”...
  • Page 29 FILE NO. SVM-14078 u In case of wireless remote controller REQUIREMENT 1. For the operation procedure, be sure to follow the matter. 2. Finish the forced cooling operation in a short time because it applies excessive strength to the air condi- tioner.
  • Page 30 FILE NO. SVM-14078 n Check function for operation of indoor unit (Functions at indoor unit side) This function is provided to check the operation of the indoor unit singly without communication with the remote controller or the outdoor unit. This function can be used regardless of operation or stop of the system. However, if using this function for a long time, a trouble of the equipment may be caused.

  • Page 31: Applied Control

    FILE NO. SVM-14078 7. APPLIED CONTROL 7-1. Setup of Selecting Function in Indoor Unit (Be Sure to Execute Setup by a Wired Remote Controller) <Procedure> Execute the setup operation while the unit stops. TEMP. ON / OFF TIMER SET MODE TIME SAVE VENT...
  • Page 32 FILE NO. SVM-14078 Table: Function selecting item numbers (DN) (Items necessary to perform the applied control at the local site are described.) CODE No. Item Description At shipment [DN] Filter display delay timer 0000 : None 0002 : 2500H 0001 : 150H 0002 : 2500H 0003 : 5000H 0004 : 10000H...
  • Page 33 FILE NO. SVM-14078 CODE No. Item Description At shipment [DN] Timer setup 0000 : Available (Operable) 0000 : Available (Wired remote controller) 0001 : Unavailable (Operation prohibited) TYPE CODE No. [10] Setup data Type Abbreviated Model name MMK-AP XXX HP ∗1 008 High Wall ∗1 : Initial setting value of EEPROM installed on the service P .C.
  • Page 34 FILE NO. SVM-14078 7-2. Applied Control in Indoor Unit n Remote location ON/OFF control box (TCB-IFCB-4E2) [Wiring and setup] • Use the exclusive connector for connection with the indoor control P .C. board. • In a group control, the system can operate when connecting with any indoor unit (Control P.C. board) in the group.
  • Page 35 FILE NO. SVM-14078 n Ventilating fan control from wired remote controller [Function] • The start/stop operation can be operated from the wired remote controller when air to air heat exchanger or ventilating fan is installed in the system. • The fan can be operated even if the indoor unit is not operating. •...
  • Page 36 FILE NO. SVM-14078 n Leaving-ON prevention control (with Wired remote controller) [Function] • This function controls the indoor units individually. It is connected with cable to the control P .C. board of the indoor unit. • In a group control, it is connected with cable to the indoor unit (Control P .C. board), and the CODE No. is set to the connected indoor unit.
  • Page 37 FILE NO. SVM-14078 n Address setup (Manual setting from Wired remote controller) In case that addresses of the indoor units will be determined prior to piping work after wiring work (Example of 2-lines cabling) (Real line: Cabling, Broken line: Refrigerant pipe) •...
  • Page 38 FILE NO. SVM-14078 n Confirmation of indoor unit No. position 1. To know the indoor unit addresses though position of the indoor unit is recognized • In case of individual operation (Wired remote controller : indoor unit = 1 : 1) (Follow to the procedure during operation) <Procedure>...
  • Page 39 FILE NO. SVM-14078 n Function selection setup <Procedure> Perform setting while the air conditioner stops. Push buttons simultaneously for 4 seconds or more. TEST 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. ò...
  • Page 40 FILE NO. SVM-14078 n How to check all the unit No. from an arbitrary wired remote controller <Procedure> Carry out this procedure during stop of system. The indoor unit No. and the position in the identical refrigerant piping can be checked. An outdoor unit is selected, the identical refrigerant piping and the indoor unit No.
  • Page 41 FILE NO. SVM-14078 n How to change all indoor addresses from an arbitrary wired remote controller (It is possible when setting has finished by automatic addresses.) Contents: The indoor unit addresses in each identical refrigerant piping line can be changed from an arbitrary wired remote controller.
  • Page 42 FILE NO. SVM-14078 n Function to clear error 1. Clearing method from remote controller ¤ How to clear error of outdoor unit In the unit of refrigerant line connected by indoor unit of the remote controller to be operated, the error of the outdoor unit currently detected is cleared.
  • Page 43 FILE NO. SVM-14078 n Monitoring function of wired remote controller switch When using the wired remote controller (Model Name: RBC-AMT32E), the following monitoring function can be utilized. Calling of display <Contents> The temperature of each sensor of the wired remote controller, indoor unit and outdoor unit and the operat- ing status can be checked by calling the service monitor mode from the wired remote controller.

  • Page 44: Troubleshooting

    FILE NO. SVM-14078 8. TROUBLESHOOTING 8-1. Troubleshooting Summary 1. Before troubleshooting 1) Applied models  S-MMS Multi type models Indoor unit : MMX-APXXX, Outdoor unit : MMY-MAPXXXXT8X, MMY-MAPXXXHT7X ‚ Super Heat Recovery Multi type models Indoor unit : MMX-APXXX, Outdoor unit : MMY-MAPXXXFT8X ƒ...
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  • Page 51 FILE NO. SVM-14078 8-3. Troubleshooting by Check Display on Wired Remote Controller n In case of wired remote controller (RBC-AMT32E) 1. Confirmation and check When an error occurred on the air conditioner, the check code and the indoor unit No. are displayed on the display section of the remote controller.
  • Page 52 FILE NO. SVM-14078 n In case of central remote controller (TCB-SC642TLE2) ZONE ZONE GROUP CODE 1234 TEST UNIT No. SET DATA R.C. SETTING GROUP SELECT ZONE 1. Confirmation and check When a trouble occurred on the air conditioner, the check code and the indoor unit No. are displayed on the display section of the remote controller.
  • Page 53 FILE NO. SVM-14078 n Indoor unit display part (Receiving unit) (Wireless type) When specifying the check code, check 7-segment display on the center unit. For the check code which is not displayed on the outdoor 7-segment, confirm it in Section “8-2 How to Check / Check code display list (Indoor unit)”.
  • Page 54 FILE NO. SVM-14078 Lamp indication Check code Cause of trouble occurrence Operation Timer Ready Heat exchanger sensor (TCJ) error ⎫ ⎪ Heat exchanger sensor (TC2) error ⎪ ⎪ Heat exchanger sensor (TC1) error Temp. sensor error in indoor unit ⎬ ⎪...
  • Page 55 FILE NO. SVM-14078 n Others (Except check code) Lamp indication Check code Cause of trouble occurrence Operation Timer Ready — During test run Simultaneous flash Operation Timer Ready COOL/HEAT disagreement — (Automatic cooling/heating setup to automatic cooling/heating unavailable model, heating setup to cooling only model) Alternate flash...
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  • Page 67 FILE NO. SVM-14078 8-5. Sensor Characteristics Indoor Unit n Temperature sensor characteristics Indoor TA sensor Temperature Resistance [C˚] value [k ] 33.9 26.1 20.3 15.9 12.6 Resistance 10.0 [k ] Temperature [˚C] Indoor TC1 sensor Temperature Resistance [C˚] value [k ] 99.9 74.1 55.6...

  • Page 68: Installation Manual

    9. INSTALLATION MANUAL FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Please read this Installation Manual carefully before installing the Air Conditioner. • This Manual describes the installation method of the indoor unit. • For installation of the outdoor unit, follow the Installation Manual attached to the outdoor unit. ADOPTION OF NEW REFRIGERANT This Air Conditioner is a new type which adopts a new refrigerant HFC (R410A) instead of the conventional refrigerant R22 in order to prevent destruction of the ozone layer.
  • Page 69 Toshiba Carrier Corporation or, alternatively, he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work.
  • Page 70 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type 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 71 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Warning indications on the air conditioner unit Warning indication Description WARNING WARNING ELECTRICAL SHOCK HAZARD ELECTRICAL SHOCK HAZARD Disconnect all remote Disconnect all remote electric power supplies before servicing. electric power supplies before servicing.

  • Page 72: Precautions For Safety

    FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Precautions for Safety The manufacturer shall not assume any liability for the damage caused by not observing the description of this manual. WARNING General • Before starting to install the air conditioner, read through the Installation Manual carefully, and follow its instructions to install the air conditioner.
  • Page 73 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Selection of installation location • When the air conditioner is installed in a small room, provide appropriate measures to ensure that the concentration of refrigerant leakage occur in the room does not exceed the critical level. •...
  • Page 74 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Electrical wiring • Only a qualified installer(*1) or qualified service person(*1) is allowed to carry out the electrical work of the air conditioner. Under no circumstances must this work be done by an unqualified individual since failure to carry out the work properly may result in electric shocks and / or electrical leaks.
  • Page 75 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Relocation • Only a qualified installer(*1) or qualified service person(*1) is allowed to relocate the air conditioner. It is dangerous for the air conditioner to be relocated by an unqualified individual since a fire, electric shocks, injury, water leakage, noise and / or vibration may result.

  • Page 76: Accessory Parts

    FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Accessory Parts Accessory parts ’ l l a l l o Ø × Ø × <Others> Name Owner’s manual Installation manual Paper pattern...

  • Page 77: Selection Of Installation Place

    FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Selection of Installation Place WARNING • Install the air conditioner at enough strong place to withstand the weight of the unit. If the strength is not enough, the unit may fall down resulting in injury. CAUTION •...
  • Page 78 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Installation diagram of Indoor and outdoor units For the rear left and left piping Before installing the wireless remote controller Wall With the remote controller Hook cover open, load the Installation plate batteries supplied correctly, observing their polarity.
  • Page 79 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Installation place • A place which provides the spaces around the indoor unit as shown in the above diagram. • A place where there is no obstacle near the air intake and discharge. •...

  • Page 80: Installation Of Indoor Unit

    FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Installation of Indoor Unit WARNING Install the air conditioner certainly to sufficiently withstand the weight. If the strength is insufficient, the unit may fall down resulting in human injury. Perform a specified installation work to guard against strong wind or earthquake. An incomplete installation can cause accidents by the units falling and dropping.

  • Page 81: Cutting A Hole And Mounting Installation Plate

    FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Cutting a Hole and Mounting Installation Plate Cutting a hole When the installation plate is directly mounted on the wall In case of installing the refrigerant pipes from the rear: Securely fit the installation plate onto the Decide the hole position for piping at 100 wall by screwing it in the upper and lower mm from the arrow mark ( ) on the...

  • Page 82: Piping And Drain Hose Installation

    FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Piping and Drain Hose Installation Piping and drain hose forming * Apply heat-insulation for both refrigerant pipe and drain hose surely so that no dew generates inside of the equipment. (Use polyethylene foam for insulating material.) Rear right Rear left Changing...
  • Page 83 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type How to remove the drains cap Clip the drain cap by needle-nose pliers and pull out. How to fix the drains cap 1) Insert hexagonal wrench (dia. 4 mm) in a centre head. 4 mm 2) Firmly insert drains cap.
  • Page 84 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Left-hand connection with piping Bend the connecting pipe so that it is laid within 43 mm above the wall surface. If the connecting pipe is laid exceeding 43 mm above the wall surface, the indoor unit may unstably be set on the wall. To bending the connecting pipe, use a spring bender so as not to crush the pipe.

  • Page 85: Indoor Unit Fixing

    FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Indoor Unit Fixing Drainage Pass the pipe through the hole in the wall, Run the drain hose sloped downwards. and hook the indoor unit on the installation NOTE plate at the upper hooks. Swing the indoor unit to right and left to •...

  • Page 86: Refrigerant Piping

    FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Refrigerant Piping Refrigerant piping Permissible piping length and height difference Use copper pipe with 0.8 mm or more They vary according to the outdoor unit. thickness. (In case pipe size is dia. 15.9, For details, refer to the Installation Manual attached with 1.0 mm or more.) to the outdoor unit.
  • Page 87 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Airtight test / air purge, etc. Tightening connection For air tightness test, adding refrigerant, refer to the CAUTION Installation Manual attached to the outdoor unit. • Do not apply excessive torque. Otherwise, the CAUTION nut may crack depending on the conditions.

  • Page 88: Electric Work

    FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Electric Work WARNING • Use the specified wires for wiring connect the terminals. Securely fix them to prevent external forces applied to the terminals from affecting the terminals. Incomplete connection or fixation may cause a fire or other trouble. •...

  • Page 89: How To Replace Main Parts

    FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Power supply wire and communication wires specifications Power supply wire and communication wires are procured locally. For the power supply specifications, follow to the following table. If capacity is little, it is dangerous because overheat or burnout may be caused.
  • Page 90 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type CAUTION The remote controller wire (Communication line) and AC 220 – 240 V wires cannot be parallel to contact each other and cannot be stored in the same conduits. If doing so, a trouble may be caused on the control system due to noise or other factor.
  • Page 91 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Wiring example Outdoor Power supply Outdoor Power supply 380 V - 415 V ~, 50 Hz 380 V - 415 V ~, 50 Hz 380 V ~, 60 Hz 380 V ~, 60 Hz Circuit breaker Circuit breaker Header outdoor...
  • Page 92 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Wiring connection Power supply terminal block How to connect the power supply wiring Terminal block and control wiring for control / 1. Remove the air intake grille. U2 A B wired remote controller wiring Open the air intake grille upward and pull it toward you.
  • Page 93 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Wiring connection for the flow selector unit Connect the wiring of the flow selector unit Connect the power supply wire and the communication wire supplied with the flow selector unit to the indoor unit.

  • Page 94: Applicable Controls

    FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Applicable Controls A wired remote controller is necessary for this function. This function cannot be operate with a wireless remote controller. Basic procedure for changing REQUIREMENT settings • When this air conditioner is used for the first time, it takes approx.
  • Page 95 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Filter sign setting Each time button is pushed, indoor unit numbers in the control group change According to the installation condition, the lighting cyclically. Select the indoor unit to change time of the filter sign (Notification of filter cleaning) settings for.
  • Page 96 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Remote controller sensor Adjustment of air direction The temperature sensor of the indoor unit senses Using the remote controller switch, change room temperature usually. Set the remote the up / down air direction by moving the controller sensor to sense the temperature around horizontal louver.

  • Page 97: Test Run

    FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Test Run A wired remote controller is necessary for this function. This function cannot be operate with a wireless remote controller. Before test run Wired remote controller • Before turning on the power supply, carry out the 2, 4 following procedure.
  • Page 98 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Wireless remote controller (Forced test After the test run, push button to stop a test run. operation is performed in a different (Display part is same as procedure 1.) way.) Push button to cancel (release from) the REQUIREMENT test run mode.

  • Page 99: Troubleshooting

    FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Troubleshooting A wired remote controller is necessary for this function. This function cannot be operate with a wireless remote controller. Confirmation and check Every pushing of “TEMP.” button used to set temperature, the error log stored When an error occurred in the air conditioner, the in memory is displayed in order.
  • Page 100 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Check method On the wired remote controller, central control remote controller and the interface P.C. board of the outdoor unit (I/F), a check display LCD (Remote controller) or 7-segment display (on the outdoor interface P.C. board) to display the operation is provided.
  • Page 101 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Check code Wireless remote controller Wired Outdoor unit 7- AI-NET Sensor block display of Check code Judging remote segment display central receiving unit name device controller control Auxiliary code Operation Timer Ready Flash display display...
  • Page 102 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Check code Wireless remote controller Wired Outdoor unit 7- AI-NET Sensor block display of Check code Judging remote segment display central receiving unit name device controller control Auxiliary code Operation Timer Ready Flash display display...
  • Page 103 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Check code Wireless remote controller Wired Outdoor unit 7- AI-NET Sensor block display of Check code Judging remote segment display central receiving unit name device controller control Auxiliary code Operation Timer Ready Flash display display...
  • Page 104 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Check code Wireless remote controller Wired Outdoor unit 7- AI-NET Sensor block display of Check code Judging remote segment display central receiving unit name device controller control Auxiliary code Operation Timer Ready Flash display display...
  • Page 105 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Check code Wireless remote controller Wired Outdoor unit 7- AI-NET Sensor block display of Check code Judging remote segment display central receiving unit name device controller control Auxiliary code Operation Timer Ready Flash display display...
  • Page 106 — purpose equipment control equipment, I/F interface Group control Differs according to error contents of unit with occurrence of alarm follower unit error TCC-LINK Decrease of No. of — — (L20 is displayed.) indoor units TCC-LINK: TOSHIBA Carrier Communication Link.
  • Page 107 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type 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.
  • Page 108 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Important 2. When there is an effective opening with the adjacent room for ventilation of leaking refrigerant gas (opening without a door, or an opening 0.15 % or larger than the respective floor spaces at the top or bottom of the door). Outdoor unit Refrigerant piping Indoor unit...
  • Page 109 FILE NO. SVM-14078 Installation Manual SMMS High-Wall Type Confirmation of indoor unit setup Prior to delivery to the customer, check the address and setup of the indoor unit, which has been installed in this time and fill the check sheet (Table below). Data of four units can be entered in this check sheet. Copy this sheet according to the No.
  • Page 110 FILE NO. SVM-14078 10. HOW TO REPLACE MAIN PARTS 10-1. Indoor Unit Part name Procedure Remarks  Front panel 1) Stop operation of the air conditioner, and then pull out the power supply plug from the plug socket. Installation place 2) Open the suction grille, and then take off Claw fixing screws of the front panel (4 pcs.).
  • Page 111 FILE NO. SVM-14078 Part name Procedure Remarks ƒ Horizontal 1) Remove shaft of the horizontal grille grille from the rear plate. (First remove the left shaft, and then remove the other shafts while sliding the horizontal grille leftward.)
  • Page 112 FILE NO. SVM-14078 Part name Procedure Remarks „ ‚ Heat 1) Perform work of item exchanger 2) Remove the pipe holder from the rear side of the main unit. 3) Take off fixing screws (2 pcs.) at the left side of the end plate of the heat exchanger.
  • Page 113 FILE NO. SVM-14078 Part name Procedure Remarks † ‚ Fan motor 1) Perform work of item Assemble the fan motor as shown below. ƒ 2) Perform work of item 3) Loosen the set screw of the cross-flow fan from the discharge port. 4) Take off fixing screws (2 pcs) to remove the motor band (Right).
  • Page 114 FILE NO. SVM-14078 Part name Procedure Remarks ‡ Cross-flow fan 6) Slide the fan motor rightward to remove it. 7) Take off fixing screws (2 pcs.) from fixing support at right side of the heat exchanger. 8) Lift up the left side of the heat exchanger toward you, and then remove the cross- flow fan.

  • Page 115: Replacement Of Service Indoor P.c. Board

    FILE NO. SVM-14078 11. REPLACEMENT OF SERVICE INDOOR P.C. BOARD Model type P.C. board model MMK-AP ∗∗∗ 4MHP series MCC-1510 [Requirement when replacing the service indoor P.C. board assembly] In the non-volatile memory (hereinafter said EEPROM, IC10) installed on the indoor P .C. board before replace- ment, the type and capacity code exclusive to the corresponding model have been stored at shipment (AUTO/ MANUAL) mode have been stored at installation.
  • Page 116 FILE NO. SVM-14078 H1 Readout of the setup data from EEPROM (Data in EEPROM contents, which have been changed at the local site, are read out together with data in EEPROM set at shipment from the factory.) TEST 1. Push button of the remote controller at the same time for 4 seconds or more.
  • Page 117 FILE NO. SVM-14078 CASE 2 C) In case that power of the indoor units cannot be turned in individually. ( a) Remove all CN41 connectors of the indoor units in the same group except those of the exchanged indoor unit. b) Turn on power of the indoor units and proceed to •...
  • Page 118 FILE NO. SVM-14078 H3 Writing of the setup contents to EEPROM (The contents of EEPROM installed on the service P .C. board have been set up at shipment from the factory.) TEST 1. Push button of the remote controller at the same time for 4 seconds or more. (Corresponded with No.
  • Page 119 FILE NO. SVM-14078 CODE No. table (Please record the objective unit data at field) Item Memo At shipment Filter sign lighting time 0001: 150 hour Dirty state of filter 0000: Standard Central control address 0099: Unfixed Heating suction temp. shift 0002: +2°C PRE-DEF indication selection 0000: Standard...

  • Page 120: Exploded Views And Parts List

    FILE NO. SVM-14078 12. EXPLODED VIEWS AND PARTS LIST (For TCJ, TC2) (For TC1) 228 229...
  • Page 121 FILE NO. SVM-14078 MMK-AP Location Part No. Description 0074MHP-E1 0094MHP-E1 0124MHP-E1 0074MHP-TR1 0094MHP-TR1 0124MHP-TR1 43T00421 FRONT PANEL ASSY 43T09370 SUCTION GRILLE 43T03326 BACK BODY ASSY 43T80301 AIR FILTER 43T09371 HORIZONTAL LOUVER 43T70001 DRAIN HOSE ASSY 43T79301 CAP-DRAIN 43T21372 MOTOR, STEPPING 43T44370 REFRIGERATION ASSEMBLY 43T44538...
  • Page 122 FILE NO. SVM-14078 405 TC2, TCJ Ø6mm TC1 Ø4mm MMK-AP Location Part No. Description 0074MHP-E1 0094MHP-E1 0124MHP-E1 0074MHP-TR1 0094MHP-TR1 0124MHP-TR1 43T60001 TERMINAL 2P 43T60002 TERMINAL BLOCK 3P 43T60362 TERMINAL 4P 43T50317 SENSOR HEAT EXCHANGER, TC1 43T50304 SENSOR HEAT EXCHANGER 43T50313 SENSOR THERMOSTAT 43T69926 PCB BOARD, MCC-1510...
  • Page 123 TOSHIBA CARRIER (THAILAND) CO., LTD. 144/9 MOO 5, BANGKADI INDUSTRIAL PARK, TIVANON ROAD, TAMBOL BANGKADI, AMPHUR MUANG, PATHUMTHANI 12000, THAILAND.

This manual is also suitable for:

Mmk-ap0094mhp-e1Mmk-ap0124mhp-e1Mmk-ap0074mhp-tr1Mmk-ap0094mhp-tr1Mmk-ap0124mhp-tr1

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