R32 Ducted System Installation Manuals
ARTH Indoor Units | AOTH Outdoor Units | UTY-RNRT Wired Remote Controller

This article provides installation manuals for GENERAL AIRSTAGE R32 ducted systems covering ARTH indoor units, AOTH outdoor units and the UTY-RNRT wired remote controller.

Locate the exact model below and select the relevant installation manual. Always confirm the model number and applicable manual before carrying out installation, commissioning, wiring or service work.

Important: These manuals are intended for authorised service personnel and qualified installers. Installation and service work must be completed in accordance with the applicable installation manual, electrical requirements, refrigerant regulations and local codes.

ARTH Ducted Indoor Unit Installation Manuals

ModelsManual Part No.ManualLink
ARTH24KHTA
ARTH30KHTA
ARTH36KHTA
9381386345-02ARTH24 / 30 / 36 KHTA Installation ManualView Manual
ARTH45KHTA
ARTH54KHTA
ARTH60KHTA
9381386352-02ARTH45 / 54 / 60 KHTA Installation ManualView Manual
ARTH60KHTB
ARTH65KHTA
ARTH72KHTA
ARTH90KHTA
9381386680-01ARTH60 / 65 / 72 / 90 Installation ManualView Manual
Indoor installation manuals include information on:
  • R32 refrigerant safety requirements
  • Installation dimensions and mounting
  • Refrigerant pipe requirements
  • Drain installation
  • Electrical requirements and wiring
  • Remote controller connection and settings
  • Optional controls and external input/output
  • Group and multiple remote controller configurations
  • Function settings
  • External static pressure settings
  • Installation checklist
  • Test run
  • Error codes

AOTH Outdoor Unit Installation Manuals

ModelsManual Part No.ManualLink
AOTH30KBTA
AOTH36KBTA
AOTH36KRTA
AOTH45KBTA
AOTH45KRTA
AOTH54KBTA
AOTH54KRTA
9379113168-02AOTH30 / 36 / 45 / 54 KBTA & KRTA Installation Manual View Manual
AOTH45KCTA
AOTH54KCTA
AOTH60KCTA
AOTH60KBTA
AOTH60KRTA
9379113250-01AOTH45 / 54 / 60 KCTA, 60KBTA & 60KRTA Installation Manual View Manual
AOTH45KCTA
AOTH54KCTA
AOTH60KCTA
AOTH60KBTA
AOTH65KBTA
AOTH60KRTA
AOTH65KRTA
AOTH72KRTA
AOTH90KRTA
9379113496-01AOTH Large Capacity Outdoor Unit Installation Manual View Manual
Note: Some outdoor models are referenced in more than one installation manual. Confirm the applicable manual and revision for the equipment being installed or serviced before commencing work.
Outdoor installation manuals include information on:
  • R32 refrigerant precautions
  • Installation tools and accessories
  • Refrigerant pipe requirements
  • Allowable piping length
  • Electrical requirements
  • Additional refrigerant charge
  • Installation clearances
  • Unit mounting and drain installation
  • Pipe installation
  • Pressure / sealing test
  • Vacuum procedure
  • Additional charging
  • Electrical wiring
  • Test run and commissioning checks
  • Field settings
  • External input and output
  • Pump-down procedure
  • Error codes

UTY-RNRT Wired Remote Controller

UTY-RNRT Installation Manual

Model: UTY-RNRT
Manual Part No.: 9373328582-01

The manual includes:

  • Electrical and remote controller cable requirements
  • Controller dimensions
  • Installation location
  • Single control wiring
  • Group control wiring
  • Multiple remote controller wiring
  • DIP switch setup
  • Connection to the indoor unit
  • Initial controller settings
  • Installer settings
  • Test run
  • Error codes

View UTY-RNRT Installation Manual

UTY-RNRT installation notes:
  • 2-wire non-polar wired remote controller connection
  • Use shielded twisted-pair remote controller cable
  • Group control can be used where supported
  • Multiple wired remote controllers can be used where supported
  • The controller incorporates a room temperature sensor
  • Controller installation location can affect room temperature sensing accuracy

R32 Refrigerant Safety

WARNING - R32 Refrigerant

The air conditioning systems referenced in this article use R32 refrigerant. Installation, repair, maintenance, refrigerant recovery and other work involving the refrigerant circuit must only be carried out by appropriately qualified personnel using suitable equipment and procedures.

Always refer to the complete installation manual for requirements relating to refrigerant charge, minimum room area, ignition sources, ventilation, piping, pressure testing, evacuation and charging.

Installation or Commissioning Problems

If the system does not operate correctly following installation, confirm the installation and commissioning procedure in the applicable indoor and outdoor installation manuals before replacing components.

Check items should include, where applicable:

  • Indoor and outdoor model compatibility
  • Correct refrigerant piping and connections
  • Electrical supply and interconnection wiring
  • Remote controller wiring and configuration
  • Drain installation
  • External static pressure settings
  • Function settings
  • Test run results
  • Displayed error codes
Technical Information Disclaimer

This information is provided as a technical reference and should be used together with the applicable installation, operation and service documentation. Always confirm the exact model and manual revision before carrying out work.

Following installation or repair, the system must be appropriately tested and checked for correct operation. If the results differ from the information shown in this article or the applicable manual, stop and verify the installation before proceeding.
Search terms:
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