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Toshiba MMK-UP0241HP-E - User Manual

Toshiba MMK-UP0241HP-E
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AIR CONDITIONER (MULTI TYPE)
SERVICE MANUAL
Indoor unit
<4-way cassette type>
MMU-UP0091HP-E(TR)
MMU-UP0121HP-E(TR)
MMU-UP0151HP-E(TR)
MMU-UP0181HP-E(TR)
MMU-UP0241HP-E(TR)
MMU-UP0271HP-E(TR)
MMU-UP0301HP-E(TR)
MMU-UP0361HP-E(TR)
MMU-UP0481HP-E(TR)
MMU-UP0561HP-E(TR)
<Ceiling type>
MMC-UP0151HP-E(TR)
MMC-UP0181HP-E(TR)
MMC-UP0241HP-E(TR)
MMC-UP0271HP-E(TR)
MMC-UP0361HP-E(TR)
MMC-UP0481HP-E(TR)
MMC-UP0561HP-E(TR)
<Concealed Duct Standard type>
MMD-UP0051BHP-E
MMD-UP0071BHP-E(TR)
MMD-UP0091BHP-E(TR)
MMD-UP0121BHP-E(TR)
MMD-UP0151BHP-E(TR)
MMD-UP0181BHP-E(TR)
MMD-UP0241BHP-E(TR)
MMD-UP0271BHP-E(TR)
MMD-UP0301BHP-E(TR)
MMD-UP0361BHP-E(TR)
MMD-UP0481BHP-E(TR)
MMD-UP0561BHP-E(TR)
<Concealed Duct High Static Pressure type>
MMD-UP0181HP-E(TR)
MMD-UP0241HP-E(TR)
MMD-UP0271HP-E(TR)
MMD-UP0361HP-E(TR)
MMD-UP0481HP-E(TR)
MMD-UP0561HP-E(TR)
MMD-UP0721HP-E(TR)
MMD-UP0961HP-E(TR)
<Concealed Duct High Static Pressure
fresh air intake type>
MMD-UP0481HFP-E(TR)
MMD-UP0721HFP-E(TR)
MMD-UP0961HFP-E(TR)
MMD-UP1121HFP-E(TR)
MMD-UP1281HFP-E(TR)
<Console type>
MML-UP0071NHP-E(TR)
MML-UP0091NHP-E(TR)
MML-UP0121NHP-E(TR)
MML-UP0151NHP-E(TR)
MML-UP0181NHP-E(TR)
<High wall type>
MMK-UP0031HP-E(TR)
MMK-UP0051HP-E(TR)
MMK-UP0071HP-E(TR)
MMK-UP0091HP-E(TR)
MMK-UP0121HP-E(TR)
MMK-UP0151HP-E(TR)
MMK-UP0181HP-E(TR)
MMK-UP0241HP-E(TR)
MMK-UP0031HPL-E(TR)
MMK-UP0051HPL-E(TR)
MMK-UP0071HPL-E(TR)
MMK-UP0091HPL-E(TR)
MMK-UP0121HPL-E(TR)
MMK-UP0151HPL-E(TR)
MMK-UP0181HPL-E(TR)
MMK-UP0241HPL-E(TR)
FILE NO. SVM-20095
January, 2021

Table of Contents

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Summary

PRECAUTIONS FOR SAFETY

1. SPECIFICATIONS

1-1. 4-way cassette type

Specifications for 4-way cassette type indoor units, including cooling/heating capacity and dimensions.

1-2. Ceiling type

Specifications for Ceiling type indoor units, covering capacity, electrical characteristics, and dimensions.

1-3. Concealed Duct Standard type

Specifications for Concealed Duct Standard type units, detailing capacity, electrical features, and physical dimensions.

1-4. Concealed Duct High Static Pressure type

Specifications for Concealed Duct High Static Pressure type units, including capacity, electrical data, and dimensions.

1-5. Concealed Duct High Static Pressure fresh air intake type

Specifications for Concealed Duct High Static Pressure fresh air intake units, covering performance and physical data.

1-6. Console type

Specifications for Console type units, detailing cooling/heating capacity, electrical characteristics, and dimensions.

1-7. High wall type

Specifications for High Wall type units, including capacity, electrical data, dimensions, and sound levels.

2. CONSTRUCTION VIEWS (EXTERNAL VIEWS)

2-1. 4-way cassette type

External views and installation dimensions for 4-way cassette type indoor units.

2-2. Ceiling type

External views and installation dimensions for Ceiling type indoor units.

2-3. Concealed Duct Standard type

External views and dimensions for Concealed Duct Standard type units, including installation space.

2-4. Concealed Duct High Static Pressure type

External views and dimensions for Concealed Duct High Static Pressure type units.

2-5. Concealed Duct High Static Pressure fresh air intake type

External views and dimensions for Concealed Duct High Static Pressure fresh air intake type units.

2-6. Console type

External views and installation dimensions for Console type indoor units.

2-7. High wall type

External views and installation dimensions for High Wall type indoor units.

3. WIRING DIAGRAMS

3-1. 4-way cassette type

Wiring diagram for 4-way cassette type indoor units, illustrating connections and components.

3-2. Ceiling type

Wiring diagram for Ceiling type indoor units, showing electrical connections and component layout.

3-3. Concealed Duct Standard type

Wiring diagram for Concealed Duct Standard type units, detailing electrical connections.

3-4. Concealed Duct High Static Pressure type

Wiring diagram for Concealed Duct High Static Pressure type units.

3-5. Concealed Duct High Static Pressure fresh air intake type

Wiring diagram for Concealed Duct High Static Pressure fresh air intake type units.

3-6. Console type

Wiring diagram for Console type indoor units, illustrating connections.

3-7. High wall type

Wiring diagram for High Wall type indoor units, showing electrical connections.

4. PARTS RATING

4-way cassette type

Parts list for 4-way cassette type indoor units, detailing fan motor, P.C. board, and sensors.

Ceiling type

Parts list for Ceiling type indoor units, including fan motor, P.C. board, and sensors.

Concealed Duct Standard type

Parts list for Concealed Duct Standard type units, including fan motor, P.C. board, and sensors.

Concealed Duct High Static Pressure type

Parts list for Concealed Duct High Static Pressure type units.

Concealed Duct High Static Pressure Fresh air intake type

Parts list for Concealed Duct High Static Pressure fresh air intake type units.

Console type

Parts list for Console type indoor units, detailing components like fan motor and sensors.

High wall type

Parts list for High Wall type indoor units, including fan motor, sensors, and P.C. boards.

5. REFRIGERANT CYCLE DIAGRAM

Explanation of functional parts in indoor unit

Explanation of functional parts in the indoor unit, detailing components like PMV and sensors.

6. CONTROL OUTLINE

Control Specifications

Details on control specifications including power reset behavior and operation mode selection.

Room temp. control

Information on room temperature control settings, including wired and wireless remote controller ranges.

Fan speed selection

Details on fan speed selection modes (AUTO, HH, H+, H, L+, L, UL) and their operation.

Prevention of cold air discharge

Procedure for preventing cold air discharge by controlling fan speed based on temperature zones.

Freeze prevention control (Low temp. release)

Controls for preventing freeze-up during cooling, detailing reset conditions based on sensor readings.

Refrigerant (Oil) recovery control in cooling operation

Controls for refrigerant oil recovery during stop/thermostat OFF or FAN operation in cooling mode.

Refrigerant (Oil) recovery control in heating operation

Controls for refrigerant oil recovery during stop/thermostat OFF or FAN operation in heating mode.

Compensation control for short intermittent operation

Ensures continuous operation for 3 minutes after start, even if thermostat-OFF condition occurs.

Drain pump control

Operation of the drain pump during cooling, DRY, and stop states, including float switch logic.

Elimination of retained heat

Indoor fan operation for 30 seconds with [L] after stopping from HEAT operation.

HA control

ON/OFF operation control via HA signal from remote site or remote ON/OFF interface.

Display of filter sign [ ] (Not provided to the wireless type)

Function of the filter sign display, indicating filter status and integrated operation time.

Display of [READY] [HEAT READY]

Display indicators on the remote controller for READY and HEAT READY status.

Selection of central control mode

Selection of operable modes via central controller, defining setting contents for group control.

Louver control:

1) Louver position setup

Setup of louver position for normal, cooling/dry, and heating/fan operations, including group control.

<<Individual air direction setup>>

Procedure for setting individual air direction for each discharge port using the louver select button.

<<Selection of Swing mode>>

Selection of swing modes (Standard, Dual, Cycle) and their settings via remote controller or data.

<<Louver lock (Louver fix)>>

Procedure for locking louver position for air direction setup and registering setup data.

Power saving mode

7. COMMUNICATION TYPE, MODEL NAMES AND THE MAXIMUM NUMBER OF CONNECTABLE UNITS

8. APPLIED CONTROL AND FUNCTIONS (INCLUDING CIRCUIT CONFIGURATION)

8-1. Indoor controller block diagram (MCC-1643)

Block diagram of the indoor controller (MCC-1643) for various connection types.

8-1-2. In case of connection of wireless remote controller

Block diagram showing the connection of a wireless remote controller to the indoor unit.

8-1-3. Connection of both wired remote controller and wireless remote controller

Block diagram illustrating the connection of both wired and wireless remote controllers.

8-2. Indoor controller block diagram (MCC-1720)

Block diagram of the indoor controller (MCC-1720) for different remote controller connections.

8-2-1. In case of connection of wired remote controller

Block diagram for MCC-1720 controller with wired remote controller connection.

8-2-2. In case of connection of wireless remote controller

Block diagram for MCC-1720 controller with wireless remote controller connection.

8-2-3. In case of connection of wired remote controller and wireless remote controller

Block diagram for MCC-1720 controller connecting both wired and wireless remote controllers.

8-3. Indoor controller block diagram (MCC-1696)

Block diagram of the indoor controller (MCC-1696) for wired and wireless remote controllers.

8-3-1. Connection of wired remote controller

Block diagram for MCC-1696 controller with wired remote controller connection.

8-3-2. Connection of Wireless Remote Controller

Block diagram for MCC-1696 controller with wireless remote controller connection.

8-4. Indoor Print Circuit Board

Details of the indoor unit's print circuit board (MCC-1643), showing component locations.

8-4-1. MCC-1643

Detailed view of the MCC-1643 print circuit board with component labels.

8-4-2. MCC-1720

Detailed view of the MCC-1720 print circuit board with component labels.

8-4-3. MCC-1696

Detailed view of the MCC-1696 print circuit board with component labels.

8-5. Test run of indoor unit

Core operational check procedure for performing cooling and heating test runs.

Cooling;Heating test run check

Procedure for performing cooling and heating test runs using the remote controller.

8-6. Method to set indoor unit function DN code

Configuration procedure for setting indoor unit functions and DN codes via remote controller.

8-7. Applied control of indoor unit

Details on applying control systems, including remote location ON/OFF control box.

Control system using Remote location ON;OFF control box (TCB-IFCB-4 E2)

Wiring and setting for control system using Remote location ON/OFF control box.

Ventilating fan control from remote controller

Procedure for controlling the ventilating fan using the wired remote controller.

Auto-off feature control

Functionality for controlling indoor units automatically, useful for stop operations.

Power peak-cut from indoor unit

Feature for managing power consumption, initiating forced thermostat OFF operation.

Notice code signal

Function dedicated to TU2C-Link communication for issuing notice codes.

Manual address setting using the remote controller

Procedure for manually setting indoor unit addresses via remote controller.

Confirming the indoor unit addresses and the position of an indoor unit using the remote controller

Procedure to check indoor unit addresses and their positions using the remote controller.

Confirming the numbers and positions of indoor units

Procedure to check the number and positions of indoor units, and system address recognition.

To find an indoor unit’s position from its address

Method to identify indoor unit addresses and their positions within a group.

When checking unit numbers controlled as a group

Procedure to find indoor unit positions when controlled as a group using the remote controller.

To change all the indoor unit addresses using an arbitrary wired remote controller.

Method to change all indoor unit addresses across refrigerant lines using a wired remote controller.

Changing the indoor unit address using a remote controller

Procedure for changing the address of an individual or group indoor unit via remote controller.

Check code clearing function

Procedures for clearing check codes from outdoor and indoor units using the remote controller.

How to clear the check code using the wired remote controller

Procedure to clear outdoor unit check codes using the service monitoring function on the wired remote controller.

Clearing a check code of the indoor unit

Procedure to clear the check code of the indoor unit using the remote controller's ON/OFF button.

Monitoring function of wired remote controller

Functionality for checking sensor temperatures and operation status of units via remote controller.

Indoor service monitor list

List of data points and display formats for monitoring indoor unit sensors and operation status.

9. TROUBLESHOOTING

9-1. Overview

General overview of troubleshooting procedures, applicable models, and required tools.

9-2. Troubleshooting method

Detailed troubleshooting guide based on check codes detected by various devices.

9-3. Troubleshooting based on information displayed on remote controller

Troubleshooting steps based on information displayed on the remote controller, including trouble history.

Troubleshooting history and confirmation

Procedure to check and confirm troubleshooting history records.

9-4. Check Codes Displayed on Remote Controller and SMMS series Outdoor Unit (7-Segment Display on I;F Board) and Locations to Be Checked

List of check codes displayed on remote controller and outdoor unit, with locations and causes.

9-5. Diagnostic Procedure for Each Check Code (Indoor Unit)

Diagnostic procedures for specific check codes related to indoor units.

9-6. Sensor characteristics

Graphs and tables showing the resistance characteristics of indoor unit sensors (TA, TC1, TC2, TCJ).

9-7. Maintenance list

Recommended maintenance checks and procedures for indoor and outdoor units.

10. P.C. BOARD EXCHANGE PROCEDURES

10-1. Replacement of indoor P.C. boards

Procedures for replacing the indoor unit's P.C. board, including EEPROM data handling.

11. DETACHMENTS

11-1. 4-way cassette type

Procedures for detaching and attaching parts of the 4-way cassette type indoor unit.

11-3. Concealed Duct Standard type

Detachment and attachment procedures for parts of Concealed Duct Standard type units.

11-4. Concealed Duct High Static Pressure type

Procedures for detaching and attaching parts of Concealed Duct High Static Pressure type units.

11-5. Concealed Duct High Static Pressure fresh air intake type

Procedures for detaching and attaching parts of Concealed Duct High Static Pressure fresh air intake units.

11-6. Console type

Procedures for detaching and attaching parts of Console type indoor units.

11-7. High wall type (For MMK-UP0031 ~ 0121 HP*)

Procedures for detaching and attaching parts of High Wall type indoor units.

12. EXPLODED VIEWS AND PARTS LIST

12-1. 4-way cassette type

Exploded views and parts list for MMU-UP0091HP-E(TR) to MMU-UP0181HP-E(TR) models.

12-2. Ceiling type

Exploded views and parts list for MMC-UP0151HP-E(TR) and MMC-UP0181HP-E(TR) units.

12-3. Concealed Duct Standard type

Exploded views and parts list for MMD-UP0241HP-E(TR) to MMD-UP0301HP-E(TR) units.

12-4. Concealed Duct High Static Pressure type

Exploded views and parts list for MMD-UP0181HP-E(TR) to MMD-UP0561HP-E(TR) units.

12-5. Concealed Duct High Static Pressure fresh air intake type

Exploded views and parts list for MMD-UP0721HP-E(TR) to MMD-UP1281HP-E(TR) units.

12-6. Console type

Exploded views and parts list for MML-UP0071NHP-E(TR) to MML-UP0181NHP-E(TR) units.

12-7. High wall type

Exploded views and parts list for MMK-UP0031HP-E(TR) to MMK-UP0121HP-E(TR) units.

Toshiba MMK-UP0241HP-E Specifications

General IconGeneral
RefrigerantR410A
Indoor Unit Weight9 kg
Cooling Capacity2.4 kW
Heating Capacity2.7 kW
Power Supply220-240V, 50Hz
Noise Level (Outdoor Unit)50 dB
Air Flow (Indoor Unit)500 m3/h

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