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Fujitsu ASHG18KMTB - User Manual

Fujitsu ASHG18KMTB
471 pages
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AIR CONDITIONER
4-unit multi-split type,
5-unit multi-split type
SERVICE MANUAL
INDOOR
AUXG07–22KVLA ARXG07–14KSLAP
ARXG18KSLAP
ARXG07–14KLLAP
ARXG18KLLAP
ARXG22KMLB
ASHG07–14KGTB ASHG07–14KGTE ASHG18–24KMTB
ASHG18–24KMTE
ASHG07–14KMTB
ASHG07–14KMCC
ASHG07–14KMCE
ASHG07–14KETA
ASHG07–14KETE
OUTDOOR
ASHG07–14KETA-B
ASHG07–14KETE-B
ABHG18–22KRTA AGHG09–14KVCA AOHG30KBTA4
AOHG36KBTA5
SR_MU004EG_13
2022.08.08

Table of Contents

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Fujitsu ASHG18KMTB Specifications

General IconGeneral
Cooling Capacity5.0 kW
Heating Capacity6.0 kW
Energy Efficiency Ratio (EER)3.21
Coefficient of Performance (COP)3.61
Power Supply220-240 V, 50 Hz
RefrigerantR32
Energy Efficiency Class CoolingA++
Energy Efficiency Class HeatingA+
Noise Level (Outdoor Unit)50 dB(A)
TypeSplit System

Summary

1. GENERAL INFORMATION

1. Specifications

Provides detailed specifications for indoor and outdoor units, covering capacity, power, airflow, and sound levels.

2. Dimensions

Details the physical dimensions and installation space requirements for various indoor and outdoor unit types.

2. TECHNICAL DATA AND PARTS LIST

3. Indoor unit parts list

Lists and illustrates component parts for various indoor unit types, including compact cassette, mini duct, and wall-mounted.

4. Outdoor unit parts list

Provides a detailed breakdown of parts for outdoor units, including models AOHG30KBTA4 and AOHG36KBTA5.

9. PC board diagrams

Illustrates the PC board layouts for various indoor and outdoor unit models, crucial for diagnostics and repair.

3. TROUBLESHOOTING

1. Error code

Explains how to check and erase error memory, and provides tables of error codes for indoor and outdoor units.

2. Troubleshooting with error code

Provides step-by-step diagnostic procedures for various error codes to identify and resolve issues.

3. Troubleshooting without error code

Offers guidance for diagnosing and resolving common operational problems like no power, no cooling/heating, and abnormal noise.

4. CONTROL AND FUNCTIONS

1. Rotation number control of compressor

Details how compressor rotation number is controlled based on room temperature and outdoor temperature zones.

3. Fan control

Explains indoor and outdoor fan speed settings, airflow changes, and operational modes like cooling, heating, and dry.

5. Timer operation control

Explains the operation of On/Off, Program, Sleep, and Weekly timers for controlling the air conditioner's schedule.

8. Various protections

Outlines protection mechanisms like discharge gas temperature over-rise, anti-freezing, current release, and high pressure protection.

5. FILED WORKING

1. Function settings (for indoor unit)

Details how to adjust indoor unit functions via DIP switches and remote controllers for different unit types.

2. Function settings (for outdoor unit)

Explains how to perform function settings on the outdoor unit using DIP switches and push switches.

3. Check and test

Provides procedures for check run, failure indications, and memory resetting for automatic wiring correction.

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