Mitsubishi Heavy Industries FDC125VSA-W User Manual

(Split system, air to air heat pump type)
DUCT CONNECTED-LOW/MIDDLE STATIC PRESSURE TYPE
Single type
FDUM100VNAWVH
100VSAWVH
125VNAWVH
125VSAWVH
140VNAWVH
140VSAWVH
Twin type
FDUM100VNAWPVH
100VSAWPVH
125VNAWPVH
125VSAWPVH
140VNAWPVH
140VSAWPVH
Triple type
FDUM140VNAWTVH
140VSAWTVH
CEILING CASSETTE-4 WAY COMPACT TYPE
Twin type
FDTC100VNAWPVH
100VSAWPVH
125VNAWPVH
125VSAWPVH
Single type
FDT100VNAWVH
100VSAWVH
125VNAWVH
125VSAWVH
140VNAWVH
140VSAWVH
CEILING CASSETTE-4 WAY TYPE
Twin type
FDT100VNAWPVH
100VSAWPVH
125VNAWPVH
125VSAWPVH
140VNAWPVH
140VSAWPVH
Triple type
FDT140VNAWTVH
140VSAWTVH
Triple type
FDTC140VNAWTVH
140VSAWTVH
MICRO INVERTER PACKAGED AIR-CONDITIONERS
Single type
SRK100VNAWZR
100VSAWZR
WALL MOUNTED TYPE
Twin type
SRK100VNAWPZSX
100VSAWPZSX
125VNAWPZSX
125VSAWPZSX
140VNAWPZR
140VSAWPZR
Triple type
SRK140VNAWTZSX
140VSAWTZSX
DUCT CONNECTED-HIGH STATIC PRESSURE TYPE
Single type
FDU100VNAWVH
100VSAWVH
125VNAWVH
125VSAWVH
140VNAWVH
140VSAWVH
(OUTDOOR UNIT)
FDC100VNA-W
100VSA-W
125VNA-W
125VSA-W
140VNA-W
140VSA-W
(INDOOR UNIT)
FDT50VH
60VH
71VH
FDE50VH
60VH
71VH
V Multi System
Single type
FDE100VNAWVH
100VSAWVH
125VNAWVH
125VSAWVH
140VNAVWH
140VSAVWH
Twin type
FDE100VNAWPVH
100VSAWPVH
125VNAWPVH
125VSAWPVH
140VNAWPVH
140VSAWPVH
CEILING SUSPENDED TYPE
Triple type
FDE140VNAWTVH
140VSAWTVH
Manual No.'19 • PAC-SM-309
SERVICE MANUAL
updated January 27, 2020

Mitsubishi Heavy Industries FDC125VSA-W Specifications

General

Brand	Mitsubishi Heavy Industries
Model	FDC125VSA-W
Category	Air Conditioner
Language	English

Summary

Micro Inverter Packaged Air-Conditioners

Outline of Operation Control

Details on microcomputer control functions for air conditioning systems.

Remote Control Operations

Wired Remote Control Functions

Specific operational controls and settings via wired remote controls (RC-EX3A, RC-E5).

Indoor Control Operations

Indoor unit operation modes, including auto, dry, timer, and protection functions.

Outdoor Control Operations

Outdoor unit control functions like compressor speed, fan control, and defrost.

Maintenance Data

Information for maintaining and diagnosing microcomputer circuits and system issues.

Microcomputer Circuit Diagnostics

Troubleshooting Flowcharts

Flowcharts for troubleshooting common error codes and operational issues.

Disassembly Procedures

Electrical Wiring Diagrams