Mitsubishi Heavy Industries SCM71ZS-W User Manual

Manual No.'19・SCM-SM-276
SERVICE MANUAL
INVERTER MULTI-SPLIT SYSTEM
RESIDENTIAL AIR-CONDITIONERS
(Split system, air to air heat pump type)
(OUTDOOR UNIT)
SCM71ZS-W
80ZS-W
(INDOOR UNIT)
Wall mounted type
SRK20ZSX-W,-WB,-WT
Duct connected-Low/Middle static pressure type
FDUM50VH
SRK71ZR-W
25ZSX-W,-WB,-WT
35ZSX-W,-WB,-WT
50ZSX-W,-WB,-WT
60ZSX-W,-WB,-WT
SRK20ZS-W,-WB,-WT
25ZS-W,-WB,-WT
35ZS-W,-WB,-WT
50ZS-W,-WB,-WT
4-way ceiling cassette type
FDTC25VH
35VH
50VH
60VH
Ceiling concealed type
SRR25ZM-W
35ZM-W
50ZS-W
60ZS-W
Ceiling suspended type
FDE50VH

Mitsubishi Heavy Industries SCM71ZS-W Specifications

General

Brand	Mitsubishi Heavy Industries
Model	SCM71ZS-W
Category	Air Conditioner
Language	English

Summary

Mitsubishi Operation Control Overview

SRK and SRR Series Operation Controls

Details operation control functions for SRK and SRR series models.

FDTC, FDUM, and FDE Series Operation

Covers wired remote control operation and indoor control operation for FDTC/FDUM/FDE series.

Outdoor Unit Operations and Controls

Details heating, cooling operations, and protective controls for outdoor units.

MAINTENANCE DATA

SRK and SRR Series Maintenance

Covers cautions, troubleshooting, self-diagnosis, and service modes for SRK and SRR series.

FDTC, FDUM, and FDE Series Diagnostics

Explains self-diagnosis functions, error codes, and troubleshooting for FDTC, FDUM, and FDE series.

Troubleshooting Flow and Common Issues

Lists common operational troubles and provides diagnostic flows for resolution.

ELECTRICAL WIRING Diagrams

Outdoor Unit Wiring

Provides detailed electrical wiring diagrams for outdoor units (SCM71/80ZS-W).

Indoor Unit Wiring

Offers electrical wiring diagrams for various indoor unit types (SRK, FDUM, FDE).

PIPING SYSTEM Diagrams

Outdoor Unit Piping System

Illustrates the piping system for outdoor units SCM71ZS-W and SCM80ZS-W.