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Daikin Applied Modbus register maps

Updated 25 October 2026

3 Daikin Applied models, 271 registers in all, each re-typed from Daikin Applied’s own free documentation and checked against it.

• Chiller

  Daikin Applied Pathfinder AWV air-cooled screw chiller (MicroTech controller)

  Daikin Applied Pathfinder AWV variable-speed air-cooled screw chillers with the MicroTech chiller unit controller and Modbus communication module, per ED 15121-13 (application 263220504 baseline; some points need newer code, marked per register).

  96 registers · 17 writable · RTU
  Also known as: AWV, Pathfinder AWV, Pathfinder VFD air-cooled screw, MicroTech chiller unit controller, ED 15121
• Rooftop unit

  Daikin Applied Rebel / Rebel Applied rooftop (MicroTech 4 controller)

  Daikin Applied Rebel Applied (DPSA, R-410A/R-32) and Rebel (DPS, R-32) packaged rooftops with MicroTech 4 controller and Modbus RTU module, per ED 19133-2 (Oct 2025).

  112 registers · 35 writable · RTU
  Also known as: DPSA, DPS, Rebel Applied, Rebel, MicroTech 4 rooftop, ED 19133-2
• Chiller

  Daikin Applied Trailblazer AGZ-F air-cooled scroll chiller (MicroTech controller)

  Daikin Applied Trailblazer AGZ F-vintage air-cooled scroll chillers with the MicroTech unit controller and BACnet/Modbus communication module set to Modbus, per ED 19131-1 (application 1.2.0 and later).

  63 registers · 6 writable · RTU
  Also known as: AGZ-F, AGZ F-Vintage, Trailblazer AGZ, Trailblazer AGZ-F, ED 19131

Daikin Applied: default communication settings

Factory defaults as the manufacturer documents them. Change one setting at a time on site and write down what you changed. Word order applies to 32-bit values; the addressing column says how the manufacturer prints register numbers (every map on this site also gives the 0-based wire address).