Installing the Humidistat
Remote Mount Installation
Choose a location in the living area.
NOTE: Select a location clear of drafts or excessive humidity. Avoid
mounting near doors or windows, or in bathrooms or kitchens.
OR
Duct-Mount Installation (recommended)
1. Choose a location on the RETURN duct.
RETURN
AIR
6 IN (152 MM)
MINIMUM
BEST
LOCATION
RETURN
AIR DUCT
Warning: Product must be mounted on the
RETURN side of the duct for proper RH% sensing.
3. Mark the duct-tube hole.
Hold the wallplate up to the desired location
on the duct and make a mark inside the duct
tube hole.
12
ALTERNATE
LOCATION
RETURN
AIR
15 IN (381 MM)
MINIMUM
M34579
M34580
NO
YES
NO
2. Separate wallplate from humidistat.
Caution: Electrical Hazard
Can cause electrical shock or equipment damage.
Disconnect power before beginning installation.
4. Drill the duct-tube hole.
Find your mark and drill a 1/2 in. hole in
the duct. This is where the duct tube will
be inserted to capture air.
Humidifier 33-00617EFS—01
M34567
M34581