Trane Mitsubishi Electric CITY MULTI TPLFYP024EM140B User Manual

TECHNICAL & SERVICE MANUAL
Indoor unit
[Model Name]
CONTENTS
1. SAFETY PRECAUTION
..........................
2
2. PARTS NAMES AND FUNCTIONS
........
4
3. SPECIFICATIONS
.................................
12
4. 4-WAY AIRFLOW SYSTEM
..................
18
5. OUTLINES AND DIMENSIONS
............
21
6. WIRING DIAGRAM
...............................
22
7. REFRIGERANT SYSTEM DIAGRAM
......
23
8. MICROPROCESSOR CONTROL
.........
24
9. TROUBLESHOOTING
..........................
31
10. DISASSEMBLY PROCEDURE
...........
39
INDOOR UNIT
PARTS CATALOG (OCBT746)
R410A
August 2020
No. OCHT746
REVISED EDITION-A
Grille model
[Model Name]
TLP-41EAEU
WIRED REMOTE
CONTROLLER
(Option)
IR WIRELESS REMOTE
CONTROLLER
(Option)
ON/OFF TEMP
MENU
ON
OFF
RETURN
SELECT
HOLD
Model name
indication for
MAIN UNIT
Model name
indication for GRILLE
TPLFYP006EM140B
TPLFYP008EM140B
TPLFYP012EM140B
TPLFYP015EM140B
TPLFYP018EM141B
TPLFYP024EM140B
TPLFYP030EM140B
TPLFYP036EM140B
TPLFYP048EM140B
INDOOR UNIT FOR VRF SYSTEM
Revision:
•
5.OUTLINES AND
DIMENSIONS has been
revised.
•
Some descriptions
have been modified
in
REVISED EDITION-A .
OCHT746 is void.

Trane Mitsubishi Electric CITY MULTI TPLFYP024EM140B Specifications

General

Brand	Trane
Model	Mitsubishi Electric CITY MULTI TPLFYP024EM140B
Category	Air Conditioner
Language	English

Summary

SAFETY PRECAUTION

R410A Refrigerant Handling Cautions

Essential safety guidelines for handling R410A refrigerant, including piping and tools.

Service Safety Precautions

SPECIFICATIONS

Unit Performance and Physical Specifications

WIRING DIAGRAM

Indoor Unit Electrical Connections and Legend

A detailed wiring diagram showing internal connections and a legend for all symbols used.

REFRIGERANT SYSTEM DIAGRAM

Refrigerant Circuitry and Pipe Size Specifications

MICROPROCESSOR CONTROL

Cooling Mode Operation Logic

Explains control logic for temperature adjustment, fan speed, and anti-freeze during cool operation.

Dry Mode Operation Logic

Heating Mode Operation Logic

Covers temperature control, fan modes (hot adjust), and defrosting during heat operation.

Automatic Cool/Heat Mode Switching

TROUBLESHOOTING

Component Diagnostic Procedures

Step-by-step guides for checking the resistance and functionality of internal parts.

Thermistor Resistance and Characteristic Curves

Provides thermistor resistance values at different temperatures and characteristic graphs.

Linear Expansion Valve Troubleshooting

Details the operation of the linear expansion valve and common failure diagnosis.

DC Fan Motor and Control Board Diagnosis

Procedures for troubleshooting DC fan motor issues and indoor controller board failures.

DISASSEMBLY PROCEDURE

Initial Component Removal Steps

Fan and Motor Assembly Removal Guide

Removal of Major Internal Components