Mitsubishi Heavy Industries FDU224KXE6 User Manual

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1
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Manual No. '09·KX-SM -128
INVERTER DRIVEN MULTI-INDOOR UNIT
CLIMATE CONTROL SYSTEM
SERVICE MANUAL
Alternative refrigerant R410A use models
(OUTDOOR UNIT)
• Single use (Used also for combination)
FDC335KXE6-K, 400KXE6, 450KXE6, 504KXE6, 560KXE6, 560KXE6-K, 615KXE6, 680KXE6
• Combination use
FDC753KXE6, 800KXE6, 850KXE6, 900KXE6, 960KXE6, 1010KXE6, 1065KXE6, 1130KXE6,
1180KXE6, 1235KXE6, 1300KXE6, 1360KXE6
(Heat pump type)
KX6 series
FDT28KXE6A
36KXE6A
45KXE6A
56KXE6A
71KXE6A
90KXE6A
112KXE6A
140KXE6A
160KXE6A
FDUM22KXE6
28KXE6
36KXE6
45KXE6
56KXE6
71KXE6
90KXE6
112KXE6
140KXE6
FDUH22KXE6
28KXE6
36KXE6
FDTC22KXE6A
28KXE6A
36KXE6A
45KXE6A
56KXE6A
FDQS22KXE6
28KXE6
36KXE6
45KXE6
56KXE6
FDU71KXE6
90KXE6
112KXE6
140KXE6
224KXE6
280KXE6
FDFU28KXE6
45KXE6
56KXE6
71KXE6
FDTW28KXE6
45KXE6
56KXE6
71KXE6
90KXE6
112KXE6
140KXE6
FDK22KXE6
28KXE6
36KXE6
45KXE6
56KXE6
71KXE6
FDTQ22KXE6
28KXE6
36KXE6
FDFL28KXE6
45KXE6
71KXE6
FDTS45KXE6
71KXE6
FDE36KXE6A
45KXE6A
56KXE6A
71KXE6A
112KXE6A
140KXE6A
(INDOOR UNIT) - KX6 series -
Regarding the Duct Connected-High static Pressure-type Outdoor Air Processing
Unit Series (FDU500〜1800FKXE6), refer to the DATA BOOK No.'08
• KX-DB-122
•
Note
updated November 19, 2009

Mitsubishi Heavy Industries FDU224KXE6 Specifications

General

Brand	Mitsubishi Heavy Industries
Model	FDU224KXE6
Category	Air Conditioner
Language	English

Summary

OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER

1.1 Wired remote controller (Option parts)

Details functions, display elements, and installation precautions for the wired remote controller.

1.2 Operation control function by the indoor controller

Explains functional operations of the indoor unit during cooling, heating, and dehumidifying modes.

1.3 Operation control function by the remote controller

Describes remote controller functions like mode switching, power failure compensation, and timer settings.

1.4 Operation control function by the outdoor controller

Outlines the operation control of major components within the outdoor unit for different modes.

SYSTEM TROUBLESHOOTING PROCEDURE

2.1 Basics of troubleshooting

Covers fundamental steps for checking/analyzing data, identifying error causes, and basic error analysis methods.

2.2 Explanation of troubleshooting

Details diagnostic procedures for specific issues like checking DC15V on the control PCB and transistor modules.

2.3 Contents of troubleshooting

2.4 Outdoor unit control PCB replacement procedure

Provides safety precautions and step-by-step instructions for replacing the outdoor unit's control PCB.

2.5 Inverter PCB replacement procedure

Outlines the procedure and safety measures for replacing the inverter PCB, including handling screws and connectors.

PIPING SYSTEM