Installing the Humidistat
Duct Mount Installation
1. Choose a location on the RETURN duct.
ALTERNATE LOCATION
RETURN
AIR
6 IN (152 MM)
MINIMUM
BEST
LOCATION
RETURN AIR DUCT
2. Apply sticker template to duct and drill holes
for mounting screws. Cut along the dotted line
of the template with metal shears or tin snips.
Humidifier 33-00067EF—01
RETURN
AIR
15 IN (381 MM)
MINIMUM
M13369B
M24800A
3. Run two-fan, low-voltage wire to the mounting
location on the duct.
IMPORTANT
Use rated 18-22 gauge wire. Leave approximately 6 in.
of wire to properly connect the humidistat.
RETURN
TWO-FAN 18-22 GAUGE WIRE
Go to step 4
on the next page.
SUPPLY
M24720A
13