H46C,E Humidity Controllers
APPLICATION
The H46C,E Humidity Controllers are used with
portable and central unit dehumidifiers to maintain
relative humidity. The H46 has an spst, snap-acting
switch designed for line voltage circuits. The H46C
has two leadwires for switch box mounting. The H46E
has an electric cord with an interrupter plug.
INSTALLATION
When Installing this Product...
1. Read these instructions carefully. Failure to fol-
low them could damage the product or cause a
hazardous condition.
2. Check the ratings given in the instructions and
on the product to make sure the product is suit-
able for your application.
3. Installer must be a trained, experienced service
technician.
4. After installation is complete, check out product
operation as provided in these instructions.
CAUTION
Electrical Shock Hazard.
Can cause electrical shock or equipment
damage.
Disconnect power supply before connecting
wiring.
Location
Select a location about 5 ft (1.5 m) above the floor in
an area with good circulation at average temperature
and humidity for the area to be controlled. Avoid
locations near hot or cold air ducts and discharge air
from the controlled equipment.
Mounting H46C
1. Remove the setting knob.
2. Pull the cover forward from the device to
remove.
3. Install a 2 in. x 3 in. (51 mm x 76 mm) vertical
switch box at the selected location.
4. Using the two screws provided, fasten the
adapter plate to the switch box as shown. See
Fig. 1.
5. Pull the wires from the switch box through the
opening in the adapter plate and connect to the
H46 leadwires with the solderless connectors
(provided). See Fig. 4 for typical hookups.
6. Push the wires back into the switch box.
INSTALLATION INSTRUCTIONS
7. Place the H46 against the adapter plate, mak-
ing certain the tab at the bottom of the plate fits
into the notch on the H46.
8. Fasten the H46 to the adapter plate by tighten-
ing the captive screw.
9. Replace the cover and the setting knob.
Mounting H46E
1. At the selected location, insert the two wood
screws (provided) into the wall 2 in. (51 mm)
vertically apart and protruding 1/16 in. (2 mm)
from the wall. See Fig. 2.
2. Position the H46 on the screws and slide it
down until the screws are in the slots.
3. Insert the dehumidifier plug into the end of the
interrupter plug. See Fig. 3.
4. Insert the interrupter plug into the electrical
outlet.
NOTE: H46E has a 3-prong plug. When connecting
to the 2-prong receptacle, use the converter
plug (not included) and connect the pigtail
lead to the ground screw.
ADAPTER PLATE
SCREWS (2)
H46 CAPTIVE
MOUNTING SCREW
H46
(COVER OFF)
NYLON
ELEMENT
Fig. 1. Mounting H46C on vertical switch box.
2 X 3 IN.
SWITCH BOX
WALL SURFACE
ADAPTER PLATE
PLATE TAB
H46 LEADWIRES (2)
69-1000EF-03
M7907A