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Mitsubishi Heavy Industries FDENA151 User Manual

Mitsubishi Heavy Industries FDENA151
163 pages
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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

Table of Contents

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Mitsubishi Heavy Industries FDENA151 Specifications

General IconGeneral
BrandMitsubishi Heavy Industries
ModelFDENA151
CategoryAir Conditioner
LanguageEnglish

Summary

1 GENERAL INFORMATION

2 SELECTION DATA

Indoor Unit Specifications Overview

Lists technical specifications for indoor units, including cooling/heating capacity, power, and dimensions.

2.2 Range of usage & limitations

(2) Remote controller (Optional parts)

Wired Remote Controller Installation

Explains the installation procedure, mounting dimensions, and wiring for the wired remote controller.

(b) Wireless remote controller (Optional parts)

2.6 Piping system

Twin Type Piping System

Details the refrigerant piping layout for twin type outdoor and indoor units.

Triple Type Piping System

Shows the refrigerant piping configuration for triple type outdoor and indoor units.

Double Twin Type Piping System

Illustrates the refrigerant piping layout for double twin type systems.

2.7 Selection chart

Capacity Adjustment by Temperature

Details how temperature affects cooling and heating capacity coefficients.

How to obtain the cooling and heating capacity

2.9 Noise level

Indoor Unit Noise Levels

Presents noise level charts for FDTA series indoor units at various frequencies and fan speeds.

3.1 Electrical wiring

Indoor Unit Electrical Wiring

Shows the wiring diagram and component details for indoor units.

Outdoor Unit Electrical Wiring

Presents the wiring diagram and component details for outdoor units.

4 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER

Remote Controller Operation Functions

Details the functions and displays of the wired and wireless remote controllers.

Heating Overload Protection

Details the protection mechanism against heating overload based on indoor heat exchanger temperature.

(d) Defrosting Operation

Defrosting Start Conditions

Specifies the criteria that trigger the defrosting operation.

(e) Compressor protection control

Compressor Overcurrent Protection

Explains the protection measures against compressor overcurrent and abnormal stops.

High Pressure Control Logic

Details high pressure control logic for heating, cooling, and abnormal conditions.

Abnormal Low Pressure Detection Control

Describes the low pressure detection and abnormal stop conditions for specific models.

5 APPLICATION DATA

Critical Safety Precautions

Highlights essential safety warnings and cautions for installation and operation.

5.1 Installation of indoor unit

Indoor Unit Installation Location Selection

Guides on choosing optimal locations for indoor units, considering air flow and drainage.

Indoor Unit Drain Piping Installation

Provides instructions for drain piping installation, including slope and material requirements.

5.2 Installation of remote controller

Remote Controller Installation Location Selection

Guides on choosing optimal locations for remote controllers, avoiding interference.

Remote Controller Installation Procedures

Details the steps for installing wired and wireless remote controllers.

Drain Piping Installation Details

Provides specific instructions and cautions for drain piping installation.

(4) Ceiling mounted duct type (FDUR)

FDUR Installation Location Selection

Guides on choosing optimal installation locations for FDUR units.

FDUR Unit Drain Piping Installation

Provides instructions and cautions for drain piping installation on FDUR units.

5.3 Installation of outdoor unit

Outdoor Unit Installation Steps

Covers accessories, location selection, and minimum installation space.

(2) Refrigerant piping work

(3) Air tightness test and air purge

Performing the Air Tightness Test

Details the steps and precautions for conducting an air tightness test.

Refrigerant System Air Purge Procedure

Explains the process of purging air from the refrigerant system.

(4) Refrigerant charge

(6) Drain piping work (Models FDCA301~601 only)

(7) Electrical wiring

(d) Remote controller wiring and connection procedure

(8) Setting functions using the remote controller

6 MAINTENANCE DATA

6.1 Servicing

Provides essential servicing procedures for the air conditioning system.

Evacuation

Details the evacuation procedure using a vacuum pump to remove impurities.

Refrigerant charging

Explains the process of charging refrigerant into the system.

6.2 Trouble shooting for refrigerant circuit

Provides guidance on diagnosing and resolving issues within the refrigerant circuit.

Judgement of operating condition by operation pressure and temperature difference

Offers methods to judge operating conditions by comparing pressure and temperature differences.

6.3 Diagnosing of microcomputer circuit

Guides on diagnosing issues using error codes and indicator lights.

Check Indicator Table

A table that correlates error codes and LED indications with potential causes.

Check method when the error code is display

Provides a flowchart for diagnosing errors based on displayed codes and symptoms.

4 Error display : E33 [Compressor overcurrent trouble]

5 Error display : E35 [Cooling overload operation]

6 Error display : E36 [Discharge temperature error]

7 Error display : E37 [Defective outdoor unit heat exchanger thermistor]

8 Error display : E38 [Defective outdoor air temperature thermistor]

9 Error display : E39 [Defective discharge pipe thermistor]

10 Error display : E40 [63H1 operation]

11 Error display : E49 [Abnormal low pressure or low pressure sensor wire disconnected]

[Gas low error] (Only case of FDCA801, 1001 type)

Describes the gas low error condition specific to FDCA801/1001 models.

12 Error display : E52 [52C Abnormal]

13 Error display : E53 [Defective suction pipe thermistor] (Only case of FDCA801, 1001 type)

14 Error display : E54 [Defective low pressure and high pressure sensor] (Only case of FDCA801, 1001 type)

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

16 Error display : E57 [Insufficient refrigerant volume.]

(d) How to advance checks for each faulty symptom

(5) Check abnormal operation data with the remote controller

6.4 Check display on wireless specification models (FDEN · FDKN)

(5) Attachment of wireless kit

(6) Control of a plural number of indoor units with one remote controller

7 WIRELESS KIT (OPTION FOR FDT MODEL ONLY)

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