Toshiba MMD-AP High Static Pressure Duct AC Service Manual PDF

Description

Toshiba MMD-AP High Static Pressure Duct AC Service Manual R410A Multi Type – PDF DOWNLOAD

DESCRIPTION

This comprehensive Toshiba Multi-Type Air Conditioner Service Manual (File No. SVM-15032) provides complete technical documentation for servicing and repairing concealed duct high static pressure indoor units in commercial HVAC installations. This professional-grade manual is essential for qualified HVAC technicians, certified installers, and authorized service personnel working on Toshiba Carrier Corporation R410A multi-type air conditioning systems.

Models Covered

This service manual includes detailed technical information for the following Toshiba concealed duct indoor units:

E-Series Models (European/Standard):

• MMD-AP0186HP-E (5.6 kW cooling / 6.3 kW heating)
• MMD-AP0246HP-E (7.1 kW cooling / 8.0 kW heating)
• MMD-AP0276HP-E (8.0 kW cooling / 9.0 kW heating)
• MMD-AP0366HP-E (11.2 kW cooling / 12.5 kW heating)
• MMD-AP0486HP-E (14.0 kW cooling / 16.0 kW heating)
• MMD-AP0566HP-E (16.0 kW cooling / 18.0 kW heating)

TR-Series Models (Turkey Region):

• MMD-AP0186HP-TR through MMD-AP0566HP-TR (same capacity ratings)

System Type & Application

• Configuration: Concealed duct high static pressure type
• Refrigerant: R410A
• System: Multi-type indoor units for SMMS, SHRM, Mini-SMMS, and SMMS-i systems
• Application: Commercial buildings, offices, retail spaces requiring ducted air distribution
• Manufacturer: Toshiba Carrier Corporation
• Distributed by: AMP Air Conditioning

Technical Specifications Summary

Electrical Characteristics (1-Phase, 50Hz, 230V)

• Power supply range: 220V-240V
• Running current: 0.52A to 1.68A (model dependent)
• Power consumption: 0.085 kW to 0.290 kW
• Starting current: 0.78A to 2.51A

Physical Dimensions:

• Height: 298mm
• Width: 1000mm (AP0186/0246) or 1400mm (AP0276/0366/0486/0566)
• Depth: 750mm
• Weight: 34kg to 43kg (model dependent)

Construction:

• Casing: Zinc hot-dipping steel plate
• Heat exchanger: Finned tube type
• Insulation: Polyethylene foam soundproof/heat-insulating material

Fan System:

• Fan type: Centrifugal fan
• Airflow (High/Med/Low): 800-2,400 m³/h depending on model
• Motor output: 250W to 350W
• External static pressure: 100Pa factory setting
• Adjustable range: 50-200Pa in 7 steps (50, 75, 100, 125, 150, 175, 200Pa)

Refrigerant Connections:

• Gas side: 12.7mm or 15.9mm (model dependent)
• Liquid side: 6.4mm or 9.5mm (model dependent)

Remote Controllers:

• Wired type: TCB-LK801D-E (sold separately)
• Wired type: TCB-LK1401D-E (sold separately)
• Wireless remote controller compatible

Section 1: Specifications

Complete technical specifications table covering:

• Cooling and heating capacity ratings for all models
• Electrical characteristics and power consumption
• Physical dimensions and weight
• Heat exchanger specifications
• Fan motor output and airflow rates
• External static pressure settings (7-step adjustment)
• Connecting pipe dimensions
• Remote controller compatibility

Section 2: Air Ducting Work

• Duct installation guidelines
• Airflow distribution requirements
• Static pressure considerations
• Recommended duct sizing
• Supply and return air configurations

Section 3: Construction Views (External Views)

• Detailed external assembly diagrams
• Component location identification
• Access panel locations
• Mounting bracket positions
• Service access points
• Dimensional drawings with measurements

Section 4: Wiring Diagrams

Complete electrical schematics including:

• Power supply wiring
• Control circuit diagrams
• Remote controller connections
• Sensor wiring layouts
• Communication bus wiring
• Terminal block configurations
• Color-coded wire identification

Section 5: Parts Rating

• Component electrical ratings
• Motor specifications
• Fan motor characteristics
• Capacitor values
• Relay ratings
• Sensor specifications

Section 6: Refrigerant Cycle Diagram

Refrigerant Flow Schematic:

• Liquid side and gas side piping
• Strainer locations
• Capillary tube positioning
• Heat exchanger configuration
• Pulse Motor Valve (PMV) operation

Functional Parts Explanation:

Pulse Motor Valve (PMV) – Connector CN082 (6P, Blue):

• Superheat control in cooling operation
• Undercool control in heating operation
• Refrigerant oil recovery in cooling
• Refrigerant oil recovery in heating

Temperature Sensors:

• TA Sensor – Connector CN104 (2P, Yellow): Indoor suction temperature detection
• TC1 Sensor – Connector CN100 (3P, Brown): PMV superheat control in cooling
• TC2 Sensor – Connector CN101 (2P, Black): PMV undercool control in heating
• TCJ Sensor – Connector CN102 (2P, Red): PMV superheat control in cooling

Section 7: Control Outline

Control Specifications:

Upon Power Supply Reset:

1. Outdoor unit identification and control redirection
2. Indoor fan speed and air flow direction settings from EEPROM
3. Check code clearing if power reset follows a fault

Operation Selection:

• Remote controller command processing
• Operation modes: STOP, FAN, COOL, DRY, HEAT
• Mode transition protocols

Room Temperature Control:

• Adjustment range for wired remote: 18-29°C (cooling/dry and heating)
• Adjustment range for wireless remote: 18-30°C (cooling/dry), 18-29°C (heating)
• Temperature differential control
• Set point management

Section 8: Applied Control and Functions

8-1. Indoor Controller Block Diagrams:

• Wired (simple) remote controller connection configuration
• Wireless remote controller connection setup
• Combined wired and wireless remote controller operation
• Signal flow and communication protocols

8-2. Indoor Print Circuit Board MCC-1631:

• Complete PCB layout and component identification
• Circuit board specifications
• Connector locations and pin assignments
• Jumper settings

8-3. Optional Connector Specifications:

• Detailed pin-out diagrams
• Voltage and signal specifications
• Communication protocol details
• Interface compatibility

8-4. Test Operation Procedures:

• Forced operation mode activation
• Test run sequences
• Performance verification protocols
• Diagnostic test procedures

8-5. DN Code Setting Method:

• Indoor unit function code configuration
• DIP switch settings
• Address assignment procedures
• System configuration codes

8-6. Applied Control Functions:

• Automatic operation mode
• Fan speed control (high, medium, low)
• External static pressure adjustment (7 steps)
• Defrost operation control
• Cold air discharge prevention
• Residual heat elimination
• Timer functions
• Energy-saving features

Section 9: Troubleshooting

9-1. Overview:

• Applicable models: SMMS, SHRM, Mini-SMMS, SMMS-i systems
• Required tools and measuring devices
• Pre-troubleshooting behavior checks
• Normal operation behaviors vs. fault conditions

9-2. Troubleshooting Method:

• Self-diagnosis feature utilization
• Check code analysis procedures
• LCD display interpretation (remote controller)
• 7-segment display reading (outdoor unit interface PCB)
• Fault site identification methodology

9-3. Troubleshooting Based on Remote Controller Display:

• Check code interpretation guide
• Error message analysis
• Display symbol meanings
• Indicator light patterns

9-4. Complete Check Code List:

Error Codes Detected by Indoor Unit:

• E03: Indoor-remote controller periodic communication error
• E04: Indoor-outdoor periodic communication error
• E08: Duplicated indoor address detection
• E10: Indoor inter-MCU communication error
• E18: Header-follower unit periodic communication error
• F01: Heat exchanger temperature sensor TCJ error (open/short circuit)
• F02: Heat exchanger temperature sensor TC2 error (open/short circuit)
• F03: Heat exchanger temperature sensor TC1 error

Indicator Light Patterns:

• Operation LED status (lighting, flashing, off)
• Timer LED status
• Ready LED status
• Alternating flash codes (ALT)
• Simultaneous flash codes (SIM)

Locations to be Checked:

• Sensor connections and wiring
• Control board components
• Communication lines
• Power supply circuits
• Refrigerant system components

9-5. Sensor Characteristics:

• Temperature sensor resistance curves
• Thermistor specifications
• Pressure sensor characteristics
• Calibration data
• Testing procedures

Section 10: P.C. Board Exchange Procedures

10-1. Indoor P.C. Board Replacement:

• Board removal procedures
• Static electricity precautions (ESD protection)
• Connector disconnection sequence
• New board installation steps
• Settings transfer procedures
• Function testing after replacement
• EEPROM data preservation

Section 11: Detachments

Complete disassembly procedures with step-by-step instructions:

• Front panel removal
• Air filter access and removal
• Fan unit disassembly
• Motor removal procedures
• Heat exchanger access
• Control board extraction
• Drain pan removal
• Component replacement sequences
• Reassembly procedures
• Torque specifications

Section 12: Exploded Views and Parts List

• Detailed exploded diagrams showing all components
• Part number identification
• Component nomenclature
• Assembly relationships
• Hardware specifications
• Gasket and seal locations
• Fastener types and sizes
• Replacement part ordering information

Key Features & Technical Highlights

✓ R410A Refrigerant System – Latest generation environmentally friendly refrigerant
✓ High Static Pressure Design – 50-200Pa adjustable in 7 steps for extensive ductwork
✓ Multi-Type Compatibility – Works with SMMS, SHRM, Mini-SMMS, and SMMS-i outdoor units
✓ Pulse Motor Valve Control – Precise refrigerant flow management
✓ Advanced Diagnostics – Self-diagnosis with detailed check code system
✓ Centrifugal Fan System – High-efficiency airflow distribution
✓ Polyethylene Foam Insulation – Superior soundproofing and thermal performance
✓ Multiple Control Options – Wired and wireless remote controller compatibility
✓ Commercial Grade Construction – Zinc hot-dipping steel plate casing
✓ Machinery Directive Compliant – Meets EU Directive 2006/42/EC standards

Safety & Qualification Requirements

Qualified Installer Requirements:

• Training in Toshiba Carrier Corporation systems
• Electrical work qualifications per local regulations
• Refrigerant handling certifications
• Height work training (where applicable)

Qualified Service Person Requirements:

• Installation, repair, and maintenance training
• Electrical work certifications
• Refrigerant handling and piping qualifications
• Comprehensive system knowledge

Protective Gear Specifications:

• Protective gloves mandatory
• Safety work clothing required
• Additional protective equipment for special tasks
• ESD protection for electronic component handling

File Details

Manual Name: Toshiba Multi-Type Air Conditioner Service Manual – Concealed Duct High Static Pressure Indoor Units
File Number: SVM-15032
Models Covered: MMD-AP0186HP-E/TR, AP0246HP-E/TR, AP0276HP-E/TR, AP0366HP-E/TR, AP0486HP-E/TR, AP0566HP-E/TR
Refrigerant Type: R410A
Total Pages: 104 pages
PDF Quality: High-quality factory manual (copy-protected)
File Size: 9.4 MB
Format: Searchable PDF (A4 format, 596 x 842 pts)
Publisher: Toshiba Carrier Corporation