Related Manuals for Toshiba MMU-UP0091MH-E
Summarization of Contents
1 Precautions for safety
Definition of protective gear
Details protective gear required for various work tasks to prevent injury.
Meaning of Indication
Explains warning symbols (WARNING, CAUTION) and their meanings.
Installation
Refrigerant piping
Covers the procedures and requirements for installing refrigerant pipes.
Electrical wiring
Test run
Details the procedure for performing a test run after installation.
Explanations given to user
Instructions for explaining the unit's operation and maintenance to the user.
Relocation
Guidelines and warnings for relocating the air conditioner unit.
2 Accessory parts
Installation of ceiling panel (Sold separately)
Instructions for installing the ceiling panel, sold separately.
Installation of remote controller (Sold separately)
Instructions for installing the remote controller, sold separately.
Installation of wireless remote controller (Sold separately)
Instructions for installing the wireless remote controller receiver.
Ceiling height
Selection of installation place
Guidance on installation in humid conditions and kitchens.
4 Installation
External view
Provides dimensions and external views of the indoor unit.
Opening a ceiling and installation of hanging bolts
Treatment of ceiling
Describes methods for treating the ceiling structure for unit installation.
Installation of hanging bolt
Details how to install hanging bolts for the indoor unit.
Installation of ceiling opening and hanging bolt
Covers the process of opening the ceiling and installing hanging bolts.
5 Drain piping
Piping / Heat insulating material
Lists required materials for drain piping and heat insulation.
Flexible hose
Instructions for using the flexible hose for drain pipe connection.
Drain pipe
Connecting drain pipe
Details the connection of the hard vinyl chloride pipe to the flexible drain hose.
Check the draining
Procedure for checking water drainage and leakages after installation.
Perform heat insulating
Guidance on applying heat insulation to drain pipes and hoses.
6 Refrigerant piping
Permissible piping length and height difference
Specifies limits for refrigerant pipe length and height differences.
Tightening connection
Provides torque specifications for tightening refrigerant pipe connections.
Heat insulation process
Instructions for applying heat insulation to refrigerant pipes.
7 Electrical connection
Power supply wire and communication wires specifications
Details specifications for power and communication wiring.
Indoor unit power supply
Specifies the power supply requirements for the indoor unit.
Control wiring, Central controller wiring
Describes wiring for control and central controller connections.
Communication line
Information on communication line types and models.
Uv line and Uc line (L2, L3, L4)
Wiring specifications for Uv and Uc lines (2-core shield wire).
Uh line (L1)
Wiring specifications for Uh line (2-core shield wire).
Control wiring between indoor units, and outdoor unit (L2, L3)
Wiring specs for control lines between indoor and outdoor units.
Central control line wiring (L1)
Wiring specifications for the central control line.
Control wiring between outdoor units (L4)
Wiring specifications for control lines between outdoor units.
Remote controller wiring
Wiring between indoor and outdoor units
Wiring diagram and notes for connecting indoor and outdoor units.
Max. connectable units and communication type
Table showing max connectable units and communication types.
Wire connection
Ceiling panel wiring
Connects ceiling panel connector to the electrical control box PC board.
Remote controller wiring
Details on wiring the remote controller.
Address setup
Procedure for setting unit addresses.
8 Applicable controls
Applicable controls setup (settings at the site)
Procedure for setting up applicable controls on the remote controller.
Installing indoor unit on high ceiling
Settings for indoor units installed at high ceilings for fan speed adjustment.
Remote controller-less setting
Instructions for changing settings using DIP switches on the PC board.
To secure better effect of heating
Filter sign setting
Adjusts the filter cleaning notification term based on installation conditions.
How to set up swing type
Allows selection of the louver swing type (Standard, Dual, Cycle).
How to set up louver lock (No swing)
Enables locking the position of individual louvers.
To select horizontal wind direction
Adjusts louver positions for cooling to control airflow.
Remote controller sensor
Configures the unit to sense temperature around the remote controller.
Group control
Information on controlling multiple units with a single remote controller.
9 Test run
Before test run
Pre-test run checks including insulation resistance and valve opening.
Execute a test run
Step-by-step guide to perform the test run operation.
Wired remote controller test run
Procedure for performing a test run using the wired remote controller.
Wireless remote controller test run
Procedure for performing a test run using the wireless remote controller.
10 Maintenance
Daily maintenance
Routine cleaning of the air filter.
Cleaning of air filter
Step-by-step instructions for cleaning the air filter.
Periodic Maintenance
Inspection before maintenance
Checks to be performed by a qualified technician before maintenance.
Maintenance List
Table listing parts, units, checks, and maintenance tasks.
11 Troubleshooting
Confirmation and check
How to confirm error codes and the indoor unit where the problem occurred.
Troubleshooting history and confirmation
Procedure to check the troubleshooting history of the air conditioner.
Check method
Check code list
List of check codes and their corresponding meanings and judging devices.
12 Specifications
Model specifications
Table listing model numbers and their specifications.
Declaration of Conformity
Manufacturer's declaration of compliance with directives.
WARNINGS ON REFRIGERANT LEAKAGE
Check of Concentration Limit
Ensuring room volume is sufficient to prevent dangerous refrigerant concentration.
Important notes on room volume
Notes regarding minimum room volume standards for safety.
Confirmation of indoor unit setup
Indoor unit setup check sheet
Sheet for recording indoor unit setup details for maintenance.
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