Mitsubishi Heavy Industries FDTA401 User Manual

MULTI-TYPE
PACKAGED AIR-CONDITIONER
(Split system, Air to air heat pump type)
Collection data
Manual No. '04•M-T-089
(OUTDOOR UNIT) (INDOOR UNIT)
FDCA301HEN
301HES
401HEN
401HES
501HES
601HES
801HES
1001HES
FDTA151
201
251
301
401
501
FDENA151
201
251
301
401
501
FDKNA151
201
251
301
FDURA201
251
301
401
501

Mitsubishi Heavy Industries FDTA401 Specifications

General

Brand	Mitsubishi Heavy Industries
Model	FDTA401
Category	Air Conditioner
Language	English

Summary

GENERAL INFORMATION

Specific features

Details key characteristics and advantages of the Multi-Type V series air conditioning system.

How to read the model name

Table of system combinations

SELECTION DATA

Specifications

Provides detailed technical specifications for ceiling recessed type (FDT) indoor units.

Range of usage & limitations

Exterior dimensions

Indoor unit (a) Ceiling recessed type (FDT) Models FDTA151, 201, 251

Provides exterior dimensions and installation details for FDTA151, 201, 251 ceiling recessed indoor units.

Inside view

Outdoor unit Models FDCA401HEN,401HES

Shows internal components and layout for FDCA401HEN/401HES outdoor units.

Piping system

Twin type Models FDCA301HEN, 301HES, 401HEN, 401HES, 501HES, 601HES

Illustrates the refrigerant piping system for twin type systems.

Electrical wiring

Indoor unit (a) Ceiling recessed type (FDT) Models FDTA151, 201, 251, 301, 401

Illustrates the electrical wiring diagram for FDT series indoor units.

Outdoor unit

Models FDCA301HEN

Illustrates the electrical wiring for FDCA301HEN outdoor units.

MAINTENANCE DATA

Evacuation

Details the procedure for evacuating the refrigerant system using a vacuum pump.

Trouble shooting for refrigerant circuit

Judgement of operating condition by operation pressure and temperature difference

Selfdiagnosis function

Check Indicator Table

Provides a table of error codes and corresponding LED indications and causes.

Indoor unit side

Outdoor unit side

Procedures of trouble diagnosis

Error diagnosis procedures at the indoor unit side

Check method when the error code is display

Error display : No display

Error display : e5 [Communications error during operation]

Error display : e32 [Power supply phases reversed]

Error display : e33 [Compressor overcurrent trouble]

Open phase at L3 phase of 52C secondary side

Error display : e35 [Cooling overload operation]

Error display : e36 [Discharge temperature error]

Error display : e37 [Defective outdoor unit heat exchanger thermistor]

Error display : e38 [Defective outdoor air temperature thermistor]

Error display : e39 [Defective discharge pipe thermistor]

Error display : E40 [63H1 operation]

Error display : E49 [Abnormal low pressure or low pressure sensor wire disconnected] (Only case of FDCA801, 1001 type)

Error display : E52 [52C Abnormal]

[Defective suction pipe thermistor] (Only case of FDCA801, 1001 type)

[Defective low pressure and high pressure sensor] (Only case of FDCA801, 1001 type)

Error display : E55 [Defective under-doom thermistor] (Only case of FDCA801, 1001 type)

[Insufficient refrigerant volume.]

How to advance checks for each faulty symptom

Inspection method when there is no error display

Check abnormal operation data with the remote controller

Check display on wireless specification models (FDEN · FDKN)

WIRELESS KIT (OPTION FOR FDT MODEL ONLY)

Control of a plural number of indoor units with one remote controller

Up to 16 indoor units can be connected.

Connect indoor unit’s X, Y and Z terminals...

Set the address of remote controller communication...

Check display list