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Toshiba MMU-AP0244HP1-E User Manual

Toshiba MMU-AP0244HP1-E
117 pages
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SERVICE MANUAL
INDOOR UNIT
<4-way cassette type>
MMU-AP0094HP1-E (TR)
MMU-AP0124HP1-E (TR)
MMU-AP0154HP1-E (TR)
MMU-AP0184HP1-E (TR)
MMU-AP0244HP1-E (TR)
MMU-AP0274HP1-E (TR)
MMU-AP0304HP1-E (TR)
MMU-AP0364HP1-E (TR)
MMU-AP0484HP1-E (TR)
MMU-AP0564HP1-E (TR)
AIR-CONDITIONER
(MULTI TYPE)
FILE NO. SVM-16041
April, 2016

Questions and Answers:

Toshiba MMU-AP0244HP1-E Specifications

General IconGeneral
Cooling Capacity2.5 kW
Heating Capacity3.2 kW
Power Supply220-240 V, 50 Hz
RefrigerantR32
Energy Efficiency Ratio (Heating)4.0
Outdoor Unit Dimensions (WxHxD)780 x 550 x 290 mm

Summary

SAFETY CAUTION

Warning Indications on the Air Conditioner Unit

Details specific warning labels found on the unit and their meanings for safe operation.

PRECAUTIONS FOR SAFETY

DANGER and Hazard Precautions

Outlines critical safety warnings related to electrical shock, high voltage, and operational hazards.

WARNING and General Safety Guidelines

Provides general warnings for repair work, refrigerant handling, and electrical safety.

New Refrigerant (R410A)

2. WIRING DIAGRAM

Indoor Unit Wiring Diagram

Illustrates the electrical connections and components for the indoor unit's wiring system.

3. PARTS RATING

4. REFRIGERATING CYCLE DIAGRAM

5. CONTROL OUTLINE

6. CONFIGURATION OF CONTROL CIRCUIT

6-3. Functions at test run

Cooling/Heating Test Run Check

Describes the procedure for performing a test run from the remote controller.

8. TROUBLESHOOTING

8-1. Troubleshooting Summary

Provides a summary of common troubles, their operations, and check items for diagnosis.

8-3. Troubleshooting by check Display on Remote Controller

Confirming and Checking Error History

Explains how to confirm and check error history from the remote controller display.

8-4. Check codes displayed on remote controller and SMMS outdoor unit (7-segment display on I/F board) and locations to be checked

Outdoor Unit Check Codes and Locations

Lists check codes, locations, descriptions, and check items for outdoor unit issues.

10. P.C. BOARD EXCHANGE PROCEDURES

10-1. Exchange of P.C. Board for Indoor Service

Outlines procedures for replacing the indoor unit's P.C. board, including data backup and writing.

WARNINGS ON REFRIGERANT LEAKAGE

Check of Concentration Limit

Details concentration limits for R410A refrigerant and requirements for room installation to prevent suffocation.

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