Fujitsu 3-Unit Multi-Split AC Service Manual AOHG18/24KBTA3 PDF DOWNLOAD

Description

Fujitsu 3-Unit Multi-Split AC Service Manual AOHG18/24KBTA3 PDF DOWNLOAD

Description

Fujitsu 3-Unit Multi-Split AC – Factory Service Manual (PDF)

If you service Fujitsu multi-split systems, this manual is the “no-guesswork” reference you want on your phone or laptop. It covers technical specifications, installation dimensions, detailed parts lists, refrigerant system diagrams, complete troubleshooting by error code, and full control logic for both indoor and outdoor units.

✅ Models Covered

Outdoor Units

• AOHG18KBTA3

• AOHG24KBTA3

Indoor Units (Covered Series / Types)

• AUXG07–18KVLA (Compact cassette)

• ARXG07–14KSLAP / ARXG18KSLAP (Mini duct)

• ARXG07–14KLLAP / ARXG18KLLAP (Slim duct)

• ASHG07–14KGTB / ASHG07–14KGTE

• ASHG18KMTB / ASHG18KMTE

• ASHG07–14KMTB / ASHG07–14KMCC / ASHG07–14KMCE

• ASHG07–14KETA / ASHG07–14KETE (+ B variants)

📑 What’s Inside (Bookmarks / Table of Contents)

1) General Information

• Specifications

  • Indoor unit specs

  • Outdoor unit specs

• Dimensions

  • Compact cassette type

  • Mini duct type

  • Slim duct type

  • Wall mounted type

  • Ceiling type

  • Floor type

  • Outdoor unit

2) Technical Data and Parts List

• Precautions

• Cassette grille (optional part) parts list (UTG-UFGF-W)

• Indoor unit parts lists:

  • Compact cassette / Mini duct / Slim duct / Wall mounted / Ceiling / Floor

• Outdoor unit parts list:

  • AOHG18KBTA3 / AOHG24KBTA3

• Accessories (by unit type)

• Refrigerant system diagrams

3) Troubleshooting

• Error code:

  • Check error memory / erase error memory

  • Error code tables (indoor + wired RC, outdoor, WLAN indicator, Mobile App)

  • Error messages for wireless LAN control (Mobile App)

• Troubleshooting by error code (step-by-step)

  • Examples include communication errors, capacity/combination errors, PCB/sensor errors, fan motor supply errors, and more

4) Control and Functions

• Compressor rotation control (cooling/heating/dry/start-up limits)

• Auto changeover operation

• Fan control (indoor + outdoor)

• Louver control (horizontal/vertical/swing/individual/all)

• Timer operation control (wireless & wired)

• Defrost operation control

• Various control features:

  • Auto restart, Manual Auto, forced cooling, 10°C heat, economy/powerful, expansion valve control, drain pump control, 3-minute restart prevention, 4-way valve control, etc.

5) Field Working (Settings & Commissioning)

• Function settings (indoor unit)

  • DIP switch settings (cassette/duct types)

  • Wireless remote settings

  • Wired remote settings

  • Simple remote settings

  • Function details

  • Wired remote controller references (UTY-RNNGM / UTY-RVNGM / UTY-RLRG / UTY-RNRGZ*)

  • Simple remote controller (UTY-RSNGM)

• Function settings (outdoor unit)

  • Setting methods

📌 File Details

Stop wasting hours on trial-and-error—get the exact Fujitsu factory troubleshooting + control logic + parts breakdown and fix the unit right the first time. Buy now and download instantly to start diagnosing in minutes.