Mitsubishi Heavy Industries FDTA151 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 FDTA151 Specifications

General

Brand	Mitsubishi Heavy Industries
Model	FDTA151
Category	Air Conditioner
Language	English

Summary

2 SELECTION DATA

2.1 Specifications

Lists specifications for various indoor and outdoor units, including capacity, power, and dimensions.

2.2 Range of usage & limitations

2.3 Exterior dimensions

Provides detailed dimensions and installation space for various indoor and outdoor units.

2.4 Inside view

2.5 Exterior appearance

2.6 Piping system

Illustrates refrigerant piping diagrams and length restrictions for different system types.

2.7 Selection chart

2.9 Noise level

3 ELECTRICAL DATA

3.1 Electrical wiring

Shows electrical wiring diagrams for indoor units and outdoor unit power connections.

4 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER

(1) Remote controller

Explains the functions and operation of both wired and wireless remote controllers.

(m) Compressor inching prevention control

(n) Heating overload porotection

5 APPLICATION DATA

SAFETY PRECAUTIONS

Provides crucial safety precautions for installation and operation, divided into WARNING and CAUTION.

5.1 Installation of indoor unit

Guides on selecting locations, space, suspension, and drain piping for indoor units.

5.2 Installation of remote controller

Details selection of location, installation procedures, and cautions for remote controllers.

5.3 Installation of outdoor unit

Guides on selecting locations, space, piping, and anchoring for outdoor units.

(2) Refrigerant piping work

Details decision of piping specifications, flare processing, and pipe connection types.

(3) Air tightness test and air purge

Explains the procedures for air tightness testing and purging the system.

(4) Refrigerant charge

Details the factory refrigerant charge and how to calculate additional charges.

(5) Heating and condensation prevention

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

Details drain piping work for FDCA301-601 models, including using elbows and grommets.

6 MAINTENANCE DATA

6.1 Servicing

6.2 Trouble shooting for refrigerant circuit

Provides guidance on diagnosing refrigerant circuit problems based on pressure and temperature.

6.3 Diagnosing of microcomputer circuit

Explains error codes, LED indicators, and troubleshooting procedures for microcomputer faults.

9 Test run

(a) Carry out test operation from outdoor units.

(b) Trial operation from a remote controller

11 Error display : E5 [Communications error during operation]

12 Error display : E32 [Power supply phases reversed]

13 Error display : E33 [Compressor overcurrent trouble]

14 Error display : E34 [Open phase at L3 phase of 52C secondary side]

15 Error display : E35 [Cooling overload operation]

16 Error display : E36 [Discharge temperature error]

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

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

19 Error display : E39 [Defective discharge pipe thermistor]

20 Error display : E40 [63H1 operation]

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

22 Error display : E52 [52C Abnormal]

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

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

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

26 Error display : E57 [Insufficient refrigerant volume.]