Toshiba MMD-UP0721HFP-E1 User Manual

For commercial use
R410A
AIR CONDITIONER (MULTI TYPE)
Owner’s Manual
Indoor Unit
Model name:
<Fresh Air Intake Indoor Unit>
MMD-UP0721HFP-E1
MMD-UP0961HFP-E1
MMD-UP1121HFP-E1
MMD-UP1281HFP-E1
Owner’s Manual 1 English

Toshiba MMD-UP0721HFP-E1 Specifications

General

Brand	Toshiba
Model	MMD-UP0721HFP-E1
Category	Air Conditioner
Language	English

Summary

Precautions for Safety

General Safety Precautions

Covers reading the manual, professional installation, refrigerant type, noise considerations, and intended use.

Transportation and Storage Safety

Details safety measures for transporting and storing the air conditioner.

Installation Safety Guidelines

Covers electrical work, circuit breaker explanation, refrigerant concentration, combustible gas locations, non-specified parts, and earthing.

Operation Safety Precautions

Covers safety during indoor/outdoor unit access, working at heights, climbing on units, and combustion appliances.

Repair Safety Procedures

Advises on handling troubles, setting circuit breakers to OFF, and contacting service personnel.

Additional Operation Safety

Covers damaged grilles, unit falling dangers, customization, and relocation safety.

Installation Cautions

Emphasizes proper drainage, exclusive power supply, and fixing the outdoor unit base.

Operation Cautions

Warns against special use, wet fingers, long-term disuse, and flammable materials.

Cleaning Safety Precautions

Advises on stopping the unit before cleaning, hiring professionals, and not placing containers on the unit.

Part Names of Indoor Unit

Air Discharge and Intake

Identifies air discharge and intake points for connecting ducts.

Electrical Control Box and Drain Pan

Locates the electrical control box and drain pan.

Remote Controller Overview

Remote Controller Buttons

Explains the ON/OFF, Setting, OFF timer, and Menu buttons.

Remote Controller Indicators

Details the meaning of various icons and indicators on the remote display.

Air Conditioner Operation

Standby Mode Requirements

Covers requirements for standby, power switch, and initial operation delay.

Running Operation Modes

Explains how to select operation modes (Cool, Heat, Fan) and fan speeds.

Operation Mode Functions

Describes the functions of COOL, HEAT, and FAN modes for fresh air intake.

Operation Use Conditions

Details operating conditions based on outdoor/suction air temperature for COOL and HEAT modes.

OFF Timer Operation

Setting the OFF Timer

Explains how to set, cancel, and confirms the OFF timer.

Installation Location Guidelines

Installation Location Recommendations

Advises on suitable locations, avoiding specific environments and ensuring ventilation space.

Installation Operation Sounds

Provides guidance on managing operational sounds and vibrations to avoid disturbing neighbors.

Operational Notes and Performance

Pre-Operation Checks

Covers power switch, earthing, and air filter attachment before starting.

Defrosting During Heating

Explains the automatic defrosting process and indoor fan behavior.

3-Minute System Protection

Describes the delay before the outdoor unit operates after restart or power-on.

Power Failure Recovery

Details how to resume operation after a power failure.

Protective Device Operation

Explains the high pressure switch, its activation, and causes.

Cooling and Heating Operations

Describes individual unit control and limitations on simultaneous cooling/heating.

Heating Performance Characteristics

Notes that the outdoor unit may stop when outside temperature increases.

Maintenance Procedures

Maintenance Safety Warnings

Advises asking qualified personnel for high-place work and avoiding wet hands.

Cleaning Air Filters

Guides on cleaning long-life prefilters and replacing high-efficiency filters.

Cleaning Indoor Unit and Remote

Instructions for wiping the indoor unit and remote controller.

Storage Instructions

Procedures for storing the unit when unused for extended periods.

Periodic Inspection Recommendations

Suggests periodic inspections by dealers due to potential part deterioration.

Pre-Season Cleaning

Advises cleaning the drain pan before the cooling or heating season.

Troubleshooting Guide

Troubleshooting Symptoms and Causes

Lists common issues like misty air, noises, and operation stops with their probable causes.

Confirmation and Check Procedure

Explains how check codes and indoor unit numbers are displayed upon problems.

Troubleshooting History

Details how to check and confirm the troubleshooting history of the unit.

Technical Specifications

Sound Pressure Level and Weight

Lists sound pressure levels (cooling/heating) and weight for each model.

Declaration of Conformity

Manufacturer and TCF Holder Information

Provides details of the manufacturer and TCF holder.

Machinery Compliance Details

States compliance with Machinery Directive and incorporation of partly completed machinery.