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Automatic Humidifier Control
SEH-7100-000
by Skuttle
®
Indoor Air Quality Products
Safety and Installation Instructions*
INSTALLER: READ COMPLETE INSTALLATION INSTRUCTIONS BEFORE BEGINNING
INSTALLATION. (Throughout this document, the terms “Compustat” and “humidifier control”
are used interchangeably.)
WARNING: This product is for residential applications only, and must
be installed by a qualified HVAC contractor.
Failure to comply could invalidate the product warranty, or result in serious injury or electrocution.
DANGER:
• Disconnect electrical power to the furnace before beginning installation. Contact with a live electrical wire can cause
serious injury or electrocution.
• Use caution when cutting plenum openings and handling ductwork. Sharp edges can cause serious cuts and bleeding.
CAUTION:
• Do not mount Compustat on the supply duct or plenum. The unit will not withstand supply temperatures.
• Do not mount Compustat downstream of the bypass outlet. Inaccurate humidity readings will cause the humidifier to
operate incorrectly.
• When installing Compustat on downflow furnaces, make sure the blower continues to run after a heat call is satisfied,
to prevent high temperatures from damaging the control.
• Do not set the humidity so high that condensation forms on windows or walls. Indoor condensation may result in
damage to the home.
*These instructions are for installation of the Skuttle Compustat humidifier control only. For installation of a
Skuttle humidifier, refer to the instructions packaged with the humidifier.
STEP 1: Check Contents of Compustat Carton
Make sure the following components are present (see Figure 1):
• Humidifier Control • Manual Mode Faceplate
• Outdoor Temperature Sensor • Mounting Template
• Sensor Shield
STEP 2: Disassemble the Humidifier Control
Pull the knob off, then remove the cover by inserting a screwdriver in the slot on the
right side of the control.
STEP 3: Select an Interior Location and Mount the Control
Select a location to mount the humidifier control that is at least 6 inches upstream from
any of the following (see Figure 2):
• Humidifier
• Humidifier Bypass Ductwork (if applicable)
• Fresh Air Intake Ductwork (if applicable)
Once a location has been selected, carefully position the humidifier control template, then
drill and cut the opening. Use four sheet metal screws and the gasket (provided) to mount
the control over the duct opening. Make sure the control is sealed tightly to the duct.
Figure 1
Figure 2
TM