Installation Guide
Setting the Controls
FAN OPTIONS: Choose to circulate air continuously or only while
the dehumidification compressor is on, using the on-board toggle
switch.
BUILT-IN HUMIDITY CONTROL: An intuitive 'set and forget'
humidistat is built into the TrueDRY DH65 to set the humid-
ity level right on the device. Optional external control wiring is
also available.
CHECK DRAIN PAN: Lights red to indicate the internal float has
tripped by a water backup.
Table 1. Humidity Settings.
Outdoor Temperature Humidity
Over 100°F Over 38°C
90°F
32°C
85°F
29°C
80°F
27°C
75°F
24°C
70°F
21°C
69-2089EFS—01
Setting
Each home may need slightly higher or lower humidity levels than
20%
shown in Table 1 because of its unique size, shape, building tightness
25%
and materials. These variables play an active role in how indoor humid-
ity fluctuates. Use Table 1 as a starting point, but adjust according to
30%
your comfort.
35%
TrueDRY DH65 is bundled with one of the following external controls:
40%
50%
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.
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.
Manual Dehumidistat (H8908DSPST) and Automatic Ventilation
Controls (W8150A1000)
• 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.
FAN ON
2
M27406
FAN AUTO