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Mitsubishi Heavy Industries FDTC50VH User Manual

Mitsubishi Heavy Industries FDTC50VH
167 pages
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Manual No.'19SCM-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

Table of Contents

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Mitsubishi Heavy Industries FDTC50VH Specifications

General IconGeneral
Cooling Capacity5.0 kW
Heating Capacity5.6 kW
RefrigerantR32
Energy Efficiency Ratio (EER)3.21
Seasonal Energy Efficiency Ratio (SEER)6.1
TypeSplit System
Power Supply220-240V, 50Hz

Summary

Operation Control for Inverter Multi-Split Systems

SRK and SRR Series Operation Control

Covers operation control for SRK and SRR series, detailing functions via wireless and wired remote controls.

SRK-ZSX Series Wireless Remote Control Functions

Explains wireless remote control operations, including mode selection, temperature, fan speed, and special functions for SRK-ZSX series.

SRK-ZS Series Wireless Remote Control Functions

Details wireless remote control operations, including mode selection, temperature, fan speed, and special functions for SRK-ZS series.

SRK-ZR Series Wireless Remote Control Functions

Explains wireless remote control operations, including mode selection, temperature, fan speed, and special functions for SRK-ZR series.

SRR Series Wireless Remote Control Functions

Details wireless remote control operations, including mode selection, temperature, fan speed, and special functions for SRR series.

FDTC, FDUM, and FDE Series Control

Covers control operations for FDTC, FDUM, and FDE series including wired remote and indoor controls.

Wired Remote Control Operation

Explains the operation and functions of wired remote controls RC-EX3A and RC-E5 for FDTC, FDUM, FDE units.

Indoor Control Operations

Details auto operation, functional items during cooling/heating, and dehumidifying operations for indoor units.

Maintenance Data and Troubleshooting Procedures

SRK and SRR Series Maintenance and Troubleshooting

Provides safety cautions, items to check, and initial troubleshooting for SRK/SRR units when not running.

Advanced Troubleshooting and Self-Diagnosis

Outlines troubleshooting procedures when the unit runs and explains the self-diagnosis table for error identification.

Service Mode Access and Data Interpretation

Explains how to access the service mode and interpret service data for diagnosing issues.

FDTC, FDUM, and FDE Series Diagnosis

Covers diagnosis of microcomputer circuits, error codes, and troubleshooting for FDTC, FDUM, and FDE series.

Microcomputer Circuit Diagnosis and Error Codes

Details self-diagnosis, error codes, and troubleshooting for indoor and outdoor unit microcomputer circuits.

Troubleshooting Flow and Procedures

Provides a systematic troubleshooting flow based on error codes and symptoms for FDTC, FDUM, and FDE series.

Electrical Wiring Diagrams

Outdoor Unit Wiring Diagrams

Illustrates the electrical connections for the outdoor units of SCM71ZS-W and 80ZS-W models.

SCM71ZS-W, 80ZS-W Models Wiring

Illustrates the electrical connections for the outdoor units of SCM71ZS-W and 80ZS-W models.

SRK Series Indoor Unit Wiring

Shows wiring diagrams for various SRK wall-mounted indoor unit models.

Indoor Unit Wiring Diagrams

Details wiring for SRR ceiling concealed, FDTC 4-way cassette, FDUM duct-connected, and FDE ceiling suspended indoor units.

Ceiling Concealed (SRR) and Other Indoor Units Wiring

Details wiring for SRR ceiling concealed, FDTC 4-way cassette, FDUM duct-connected, and FDE ceiling suspended indoor units.

Piping System Diagram

SCM71ZS-W, 80ZS-W Outdoor Unit Piping

Illustrates the refrigerant piping system for SCM71ZS-W and 80ZS-W outdoor units.

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