Summary: UTY-TTRXZ1 Thermostat Interface

Purpose:

The UTY-TTRXZ1 Thermostat Interface enables Fujitsu Mini-Split systems to be controlled by a third-party thermostat with 24Vac outputs, such as Honeywell or Nest. A 24Vac transformer is required but not included.

Key Features:

• Compatible with most Fujitsu Halcyon indoor units (except ABU18/24RULX, ABU36RSLX).
• Supports multi-speed fan control.
• Allows a single thermostat to control up to 16 indoor units with the same settings.
• Works with non-polar 2-wire or 3-wire sheathed PVC cable.

Electrical & Environmental Specifications:

• Power Supply: DC voltage (from connected indoor unit).
• Power Consumption: 0.6W.
• Operating Temperature Range: 32°F – 114°F (0°C – 46°C).
• Storage Temperature Range: 14°F – 140°F (-10°C – 60°C).
• Humidity Range: 0 – 95% RH (non-condensing).

Physical Dimensions:

• Size: 1-1/16" × 3-7/16" × 3-7/16" (27mm × 86.7mm × 86.7mm).
• Weight: 4 oz (100g).

Installation Notes:

• Requires an interface kit or Wi-Fi adapter for certain models.
• Multiple indoor units connected to this interface must operate under the same settings.
• For the latest specifications, visit the Fujitsu General Portal at portal.fujitsugeneral.com.

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