Installation Guide
69-2271EFS—01
2
VisionPRO IAQ Total Comfort System (YTH9421C1010)
• Controls both heating/cooling and dehumidification.
• 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 when you’re ready.
The TrueDRY DH150 may be used with one of the following external controls:
TrueIAQ Digital Control (DG115EZIAQ)
• Automatic adjustments maintain ideal humidity.
• Sensor for displaying outdoor temperature and humidity.
• Shows actual and desired humidity settings.
• Advanced ventilation programming includes economizing and extreme
condition shutdown.
• Maintenance and service reminders
• Controls other indoor air quality equipment when you’re ready.
Control Options
Manual Dehumidistat (H8908DSPST) and Automatic Ventilation
Controls (W8150A1001)
• Manual humidity control with intuitive comfort settings.
• Integrated humidity chart for accurate control in changing outdoor conditions.
• Automatic W8150 ventilation control to ASHRAE industry code, or for
continuous operation.