Honeywell Dehumidifier H46C User Manual

H46C Humidity Controllerꢀꢀ  
INSTALLATION INSTRUCTIONS  
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. 2 and 3 for typical hookup.  
6.ꢀꢀ Push the wires back into the switch box.  
7.ꢀꢀ Place the H46 against the adapter plate, making  
certain the tab at the bottom of the plate fits into the  
notch on the H46.  
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.  
8.ꢀꢀ Fasten the H46 to the adapter plate by tightening  
the captive screw.  
9.ꢀꢀ Replace the cover and the setting knob.  
INSTALLATION  
2 X 3 IN.  
SWITCH BOX  
When Installing this Product...  
ADAPTER PLATE  
SCREWS (2)  
1.ꢀꢀ Read these instructions carefully. Failure to follow  
them could damage the product or cause a  
hazardous condition.  
H46 CAPTIVE  
MOUNTING SCREW  
2.ꢀꢀ Check the ratings in the instructions and on the  
product to make sure the product is suitable for  
your application.  
H46  
(COVER OFF)  
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.  
WALL SURFACE  
ADAPTER PLATE  
PLATE TAB  
Location  
NYLON  
ELEMENT  
M7907  
H46 LEADWIRES (2)  
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.  
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.  
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) verticalꢀꢀ  
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. •  
• All Rights Reserved  
95-5367-4  
 
H46C HUMIDITY CONTROLLER  
H46C  
T87F/Q539A INTERNALSCHEMATIC  
T87F  
FIXED  
R1  
COOL  
ANTICIPATOR  
FILTER  
LIGHT  
TEMPERATURE  
FALL  
ADJUSTABLE  
HEAT  
ANTICIPATOR  
W1  
Y1  
HEAT OFF COOL  
AUTO FAN ON  
HEAT  
OFF  
COOL  
3
2
R
H
X
B
O
W
Y
G
R
HEATING  
RELAY OR  
VALVE COIL  
COOLING  
CONTACTOR  
COIL  
FAN RELAY  
COIL  
1
PROVIDE OVERLOAD PROTECTION AND DISCONNECT MEANS  
AS REQUIRED.  
HEATING DAMPER MOTOR, IF USED.  
2
3
CLOGGED FILTER SWITCH OR COOLING PANEL CONNECTION.  
1
M7914  
Fig. 4. Typical series wiring hookup of H46C with T87F/Q539A combination  
for dehumidification and mildew control.  
3
95-5367-4  
 
H46C HUMIDITY CONTROLLER  
Automation and Control Solutions  
Honeywell International Inc.  
1985 Douglas Drive North  
Golden Valley, MN 55422  
Honeywell Limited-Honeywell Limitée  
35 Dynamic Drive  
Scarborough, Ontario  
M1V 4Z9  
Printed in U.S.A. on recycled  
paper containing at least 10%  
post-consumer paper fibers.  
95-5367-4 G.H. Rev. 07-03  
 

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