Product Owners Manual

Operating Your Wall Controls

VisionPRO (TH8321U1097)and VisionPRO IAQ Total Comfort

System (YTH9421C1010)

• Controls both heating/cooling and ventilation.

• Sensor included for displaying outdoor temperature.

• Intuitive user interface for easy 7-day temperature programming.

• Easy-to-read backlit digital display.

• Maintenance and service reminders.

• Controls other indoor air quality equipment.

TrueIAQ Digital Control (DG115EZIAQ)

• Automatic adjustments maintain fresh air in home.

• Sensor for displaying outdoor temperature and humidity.

• Advanced ventilation programming includes economizing and extreme

condition shutdown.

• Maintenance and service reminders.

• Controls other indoor air quality equipment.

Manual Dehumidistat (H8908DSPST) and Automatic

Ventilation Controls (W8150A1000)

• Manual humidity control with intuitive comfort settings.

• Automatic W8150 ventilation control to ASHRAE standard, or for

continuous operation.

Prestige™ (YTHX9321R5012) and Prestige™ IAQ Comfort

System (YTHX9421R5028)

• Controls both heating/cooling and ventilation.

• Wireless sensor for displaying outdoor temperature and humidity.

• Advanced ventilation programming includes economizing and extreme

condition shutdown.

• Maintenance and service reminders.

• High definition color display.

Boost Control Digital Timer (50053952-020)

• Ventilation boost control for 20/40/60 minutes.

TrueFRESH™ Ventilation System 69-2481EF—01