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Honeywell H46C Installation Instructions

Honeywell humidity controller installation instructions.
APPLICATION
The H46C Humidity Controller is used with portable and
central unit dehumidifiers to maintain relative humidity.
The H46 has an spst, snap-acting switch designed for
line voltage circuits and two leadwires for switch box
mounting.
INSTALLATION
When Installing this Product...
1. Read these instructions carefully. Failure to follow
them could damage the product or cause a
hazardous condition.
2. Check the ratings in the instructions and on the
product to make sure the product is suitable 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 (1.5m) 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 discharged air from the
controlled equipment.
Mounting
1. Remove the setting knob.
2. To remove cover, pull cover forward from device.
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.
® U.S. Registered Trademark
Copyright © 2003 Honeywell International Inc. •
H46C Humidity Controller
5. Pull the wires from the switch box through the
6. Push the wires back into the switch box.
7. Place the H46 against the adapter plate, making
8. Fasten the H46 to the adapter plate by tightening
9. Replace the cover and the setting knob.
H46 CAPTIVE
MOUNTING SCREW
H46
(COVER OFF)
NYLON
ELEMENT
Fig. 1. Mounting H46C on vertical switch box.
Wiring
Disconnect power supply before connecting wiring to
avoid electrical shock or equipment damage. All wiring
must comply with local codes or equipment damage. All
wiring must comply with local codes and ordinances. Do
not exceed contact and coil ratings when wiring into
system. See Fig. 2.
• All Rights Reserved
INSTALLATION INSTRUCTIONS
opening in the adapter plate and connect to the
H46 leadwires with the solderless connectors
provided. See Fig. 2 and 3 for typical hookup.
certain the tab at the bottom of the plate fits into the
notch on the H46.
the captive screw.
2 X 3 IN.
SWITCH BOX
ADAPTER PLATE
SCREWS (2)
H46 LEADWIRES (2)
WALL SURFACE
ADAPTER PLATE
PLATE TAB
M7907
95-5367-4

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   Summary of Contents for Honeywell H46C

  • Page 1

    APPLICATION The H46C Humidity Controller is used with portable and central unit dehumidifiers to maintain relative humidity. The H46 has an spst, snap-acting switch designed for line voltage circuits and two leadwires for switch box mounting. INSTALLATION When Installing this Product...

  • Page 2

    AS REQUIRED. HEATING DAMPER MOTOR, IF USED. CLOGGED FILTER SWITCH OR COOLING PANEL CONNECTION. Fig. 3. Typical parallel wiring hookup for H46C with T87F/Q539A combination 95-5367-4 Wiring in series prevents overcooling but the air conditioner runs only when both the thermostat and dehumidistat are calling.

  • Page 3

    PROVIDE OVERLOAD PROTECTION AND DISCONNECT MEANS AS REQUIRED. HEATING DAMPER MOTOR, IF USED. CLOGGED FILTER SWITCH OR COOLING PANEL CONNECTION. Fig. 4. Typical series wiring hookup of H46C with T87F/Q539A combination for dehumidification and mildew control. T87F/Q539A INTERNALSCHEMATIC T87F TEMPERATURE...

  • Page 4

    H46C HUMIDITY CONTROLLER Automation and Control Solutions Honeywell International Inc. Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9 95-5367-4 G.H. Rev. 07-03 Printed in U.S.A. on recycled paper containing at least 10% post-consumer paper fibers.

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H46e1013 - humidistat includes a plug

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