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Compact cassette indoor unit

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Fujitsu Compact cassette indoor unit AIRSTAGE Centauri KUAS1C

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Fujitsu AIRSTAGE single-room mini-split systems Compact cassette indoor unit Repair, maintenance, and replacement planning
Fujitsu AIRSTAGE Centauri KUAS1C product image

Technical Specifications

Product Specs

  • Series code: KUAS1C
  • Size (kBTU/h): 9, 12, 18
  • Sound Level: As low as 28dB
  • SEER2: As high as 21.9 BTU/hW
  • HSPF2: As high as 8.7 BTU/hW
  • Energy Star: Yes
  • Cooling Operating Range: -5°F to 122°F (-21°C to 50°C)
  • Heating Operation Range: -5°F to 75°F (-21°C to 24°C)
  • Listed model: ACUH09KUAS 9,000 BTU/h 0.75-Ton Ceiling Suspended Indoor Unit
  • Listed model: 9,000 BTU/h 0.75-Ton Ceiling Suspended Indoor Unit Compatible Outdoor Units AOUH09KUAS1 9,000 BTU/h 0.75-Ton Universal Outdoor Unit ACUH12KUAS 12,000 BTU/h 1-Ton Ceiling Suspended Indoor Unit
  • Listed model: 12,000 BTU/h 1-Ton Ceiling Suspended Indoor Unit Compatible Outdoor Units AOUH12KUAS1 12,000 BTU/h 1-Ton Universal Outdoor Unit ACUH18KUAS 18,000 BTU/h 1.5-Ton Ceiling Suspended Indoor Unit
  • Brand: Fujitsu
  • Model or series: AIRSTAGE Centauri KUAS1C
  • Equipment type: Compact cassette indoor unit
  • Product group: AIRSTAGE single-room mini-split systems
  • System role: Ductless or mini-split system equipment
  • Application: Residential, light-commercial, or zone-control comfort applications
  • Compatibility check: Match with compatible outdoor equipment, controls, airflow, voltage, and capacity before service or replacement.
  • Verified source: fujitsugeneral.com

Useful troubleshooting details

  • Confirm the indoor unit model, outdoor unit model, serial number, refrigerant type, and controller type before scheduling.
  • Share photos of the indoor unit, outdoor unit, disconnect, filters, drain line, controller, and access area.
  • Note whether the concern is no cooling, no heat, weak airflow, noise, water leak, icing, error code, remote/controller issue, or uneven room comfort.

Service planning

How GreenFlow handles AIRSTAGE Centauri KUAS1C requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

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Jenny W.

Great service! On time, knowledgeable & professional

Dev W.

I had a breakdown of my cooling system and Hanna at Green Flow responded to my request right away. They scheduled me same day. The team at Green Flow was easy to communicate with over phone and text. They kept me updated on delays on arrival of the...

Jack B.

Andrey always does a great job.

Anna G.

They quickly identified the issue with the heating system and fixed it efficiently. He explained everything clearly and made sure I understood what was going on. Very professional and reliable, extremely satisfied with the service.

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