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Mitsubishi Heavy Industries FDC224KXZME1 User Manual

Mitsubishi Heavy Industries FDC224KXZME1
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SERVICE MANUAL
Manual No.'18 • KX-SM-292
DATA BOOK
(1) Regarding the indoor unit series, refer to the No.'17
KX-T-266 and '18
KX-T-281.
Note:
VRF INVERTER MULTI-SYSTEM AIR-CONDITIONERS
(OUTDOOR UNIT)
FDC224KXZME1, 280KXZME1, 335KXZME1
KXZ series
(Heat pump type)
Manual No. '18
KX-DB-291
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Mitsubishi Heavy Industries FDC224KXZME1 Specifications

General IconGeneral
ModelFDC224KXZME1
CategoryAir Conditioner
ManufacturerMitsubishi Heavy Industries
TypeSplit System
Cooling Capacity22.4 kW
Heating Capacity25.0 kW
Power Supply3 Phase, 380-415V, 50Hz
RefrigerantR410A

Summary

1. Outline of Operation Control by Microcomputer

Remote Control Operation

Details operation of wired and wireless remote controls for air conditioner.

Operation Control Function by Wired Remote Control

Explains control functions and sequences for wired remote controls like RC-EX3A.

2. System Troubleshooting Procedure

Basics of Troubleshooting

Fundamental steps for checking and analyzing system data using Mente PC.

Explanation of Troubleshooting

Detailed steps for diagnosing issues like inverter PCB failure and short-circuits.

Contents of Troubleshooting

Lists various error codes for indoor and outdoor units, their classification, and corresponding pages.

5. Application Data

5.1 Installation of Outdoor Unit

Covers safety precautions, installation space, and refrigerant pipe selection for outdoor units.

3. Unit Delivery and Installation

3-2. Cautions for Installation

Provides important warnings and cautions for safe and proper installation of the unit.

4. Refrigerant Piping

(1) Limitation on Use of Pipes

Details restrictions on piping length, height differences, and pipe material for refrigerant systems.

(3) Pipe size selection

Guides on selecting pipe sizes for main pipes, branch pipes, and headers based on capacity.

5.2 Check Operation Procedure

(2) Procedure of Check Operation

Step-by-step guide for performing check operations and interpreting results.

(B) Option Controls

(1) External Input and Demand Input

Details how external inputs like permission/prohibition and demand control function.

(C) Data Output

(1) 7-segment and Operation Data Retention

Describes how to display and retain operation data using the 7-segment display.

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