The Fujitsu UTY-TTRXZ1 24V Thermostat Interface controls Halcyon products using a third party thermostat. Up to 16 indoor units can be connected as a group to one thermostat convertor.
May require installation of 24V transformer (not included)

Allows the ability to control Fujitsu indoor units with a 3rd party controller
Can be connected to up to 16 indoor units

UTY-TTRXZ1 24V Thermostat Interface
The 24Vac transformer is not included.

Allows Fujitsu indoor units to be connected to third party thermostats with 24Vac outputs, such as Honeywell, Nest, etc..
Up to 16 indoor units may be controlled with a single thermostat controller
Multiple indoor units connected to the interface can be operated by the same operating setting
Multi-speed fan control

Power Supply DC: 12.72-19.08 V
Max Power Consumption: .6 W
Wire Type: Non polar 2 or 3 core sheathed PVC cable
Operating Temperature Range: 32-114 F
Storage Temperature Range: 14-140 F
Humidity Range: 0-95%
Weight: 4 oz
Dimensions (HxWxD): 1 1/16" x 3 7/16" x 3 7/16"