Mitsubishi Heavy Industries FDC140KXZEN1 User Manual

VRF INVERTER MULTI-SYSTEM AIR-CONDITIONERS
(OUTDOOR UNIT)
(Heat pump type)KXZ series
FDC121KXZEN1, 140KXZEN1, 155KXZEN1 (1 Phase)
FDC121KXZES1, 140KXZES1, 155KXZES1 (3 Phase)
SERVICE MANUAL
Manual No. '19 • KX-SM-318
• Note:
(1) Regarding the Indoor unit series, refer to the No. ’17 • KX-T-266 and ’18 • KX-T-281.

Mitsubishi Heavy Industries FDC140KXZEN1 Specifications

General

Brand	Mitsubishi Heavy Industries
Model	FDC140KXZEN1
Category	Air Conditioner
Language	English

Summary

Outline of Operation Control by Microcomputer

Remote control (Option parts)

Details on wired remote control models RC-EX3A and RC-E5, covering indications and operations.

Operation control function by the wired remote control

Explains operation control sequences and functions for the wired remote control RC-EX3A.

Operation control function by the indoor control

Details the operational functions controlled by the indoor unit, including various modes and controls.

Operation control function by the outdoor control

Explains operational control functions managed by the outdoor unit for components like the compressor and fan.

System Troubleshooting Procedure

Basics of troubleshooting

Basic procedure for checking, analyzing, and saving data using Mente PC for error analysis.

Explanation of troubleshooting

Provides detailed explanations for troubleshooting steps, including checking PCB voltage and inspecting short circuits.

Contents of troubleshooting

Lists inspection displays for indoor/outdoor units and option controls, detailing error codes and their meanings.

Outdoor unit control PCB replacement procedure

Step-by-step guide for safely replacing the outdoor unit control PCB, including precautions.

Electrical Wiring

Piping System

Application Data

Outdoor Unit Disassembly Procedure

Indoor Unit Disassembly Procedure