Trane Mitsubishi Electric CITY MULTI TPLFYP018EM141B 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 TPLFYP018EM141B Specifications

General

Series	CITY MULTI
Refrigerant	R410A
Cooling Capacity	18000 BTU/h
Heating Capacity	20000 BTU/h
Power Supply	208-230V, 1 Phase, 60Hz
Outdoor Unit Noise Level	52 dB(A)

Summary

Safety Precautions for Refrigerant Systems

New Refrigerant Cautions

Important safety notes for handling R410A refrigerant and related components.

Service Cautions and Procedures

Guidelines for safe refrigerant handling during service, charging, and tool usage.

Outlines and Dimensions

Installation Dimensions and Clearances

Wiring Diagram

Indoor Unit Wiring Schematics

Detailed electrical wiring diagrams for the indoor unit and its components.

Refrigerant System Diagram

Refrigerant Circuit and Pipe Sizes

Diagram illustrating the refrigerant circuit and specifying pipe sizes.

Microprocessor Control

Cool Operation Control

Dry Operation Control

Fan Operation Control

Heat Operation Control

Troubleshooting

Part Checks with Multimeter

Procedures for checking electrical components using a multimeter.

Thermistor and Valve Diagnostics

Information on thermistor characteristics and linear expansion valve diagnostics.

Fan Motor and Circuit Troubleshooting

Troubleshooting steps for DC fan motor and control circuit failures.

Disassembly Procedure

Removing External Components

Removing Internal Components

Removing Major Assemblies