Honeywell TrueSTEAM HM612A1000/U Installation Manual page 39

Installing the Humidistat
Remote 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.
ALTERNATE
LOCATION
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.
5. 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.
Steam Humidifier System 69-2285—11
RETURN
AIR
15 IN (381 MM)
MINIMUM
M34579
M34580
YES
NO
2. Separate wallplate from humidistat.
Caution: Electrical Hazard
Can cause electrical shock or equipment damage.
Disconnect power before beginning installation.
6. 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.
NO
M34567
M34581
37