Honeywell H46C Users Manual 95 5367 Humidity Controller
H46C to the manual 7e74eb00-580a-49e7-a96c-d637582e7164
2015-01-23
: Honeywell Honeywell-H46C-Users-Manual-261264 honeywell-h46c-users-manual-261264 honeywell pdf
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H46C 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 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. 8. Fasten the H46 to the adapter plate by tightening the captive screw. 9. Replace the cover and the setting knob. 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. ADAPTER PLATE SCREWS (2) 2 X 3 IN. SWITCH BOX H46 CAPTIVE MOUNTING SCREW H46 (COVER OFF) CAUTION Electrical Shock Hazard. Can cause electrical shock or equipment damage. Disconnect power supply before connecting wiring. WALL SURFACE ADAPTER PLATE Location PLATE TAB 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. • NYLON ELEMENT H46 LEADWIRES (2) M7907 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 95-5367-4 H46C HUMIDITY CONTROLLER H46C HUMIDITY CONTROLLER RISE DEHUMIDIFIER EXHAUST FAN OR AIR CONDITIONER L1 (HOT) POWER 1 SUPPLY Wiring in series prevents overcooling but the air conditioner runs only when both the thermostat and dehumidistat are calling. During unoccupied times, the homeowner should set the thermostat to a relatively low setting and control moisture using the dehumidistat. SETTING AND ADJUSTMENT L2 1 PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. M7923 The H46 makes contact on a relative humidity rise to the setpoint to start the dehumidifier. On a decrease in relative humidity to the setpoint (minus the differential), the switch breaks contact to stop the dehumidifier. Turn the knob clockwise to the setting stop to place the H46 in the On position. Turn the knob counterclockwise to the setting stop to place the H46 in the Off position. Fig. 2. Typical H46C wiring diagram. Connections and Operation A dehumidistat in combination with the thermostat can be used to run the air conditioner to control relative humidity levels. The dehumidistat and thermostat can be wired in parallel or in series. CHECKOUT Wiring in parallel allows the dehumidistat to indepen dently control the humidity level, but could cause overcooling of the home. During unoccupied times, the homeowner should set the thermostat to a relatively high setting and control moisture using the dehumidistat. H46C After completing all mounting and wiring, turn on the power supply. Place the system into operation by turning the setting knob toward the low end of the scale until the dehumidifier motor starts. Turn the setting knob slowly toward the high end of the scale until the dehumidifier motor stops. T87F/Q539A INTERNALSCHEMATIC T87F FIXED COOL ANTICIPATOR R1 FILTER LIGHT TEMPERATURE FALL ADJUSTABLE HEAT ANTICIPATOR W1 HEAT OFF COOL AUTO HEAT 3 R H X Y1 OFF FAN ON COOL 2 B O W Y G R HEATING RELAY OR VALVE COIL 1 PROVIDE OVERLOAD PROTECTION AND DISCONNECT MEANS AS REQUIRED. 2 HEATING DAMPER MOTOR, IF USED. 3 CLOGGED FILTER SWITCH OR COOLING PANEL CONNECTION. COOLING CONTACTOR COIL FAN RELAY COIL 1 Fig. 3. Typical parallel wiring hookup for H46C with T87F/Q539A combination for dehumidification and mildew control. 95-5367-4 2 M7913 H46C HUMIDITY CONTROLLER H46C T87F/Q539A INTERNALSCHEMATIC T87F FIXED COOL ANTICIPATOR R1 FILTER LIGHT TEMPERATURE FALL ADJUSTABLE HEAT ANTICIPATOR W1 HEAT OFF COOL AUTO HEAT 3 R H X Y1 OFF FAN ON COOL 2 B O W Y G R HEATING RELAY OR VALVE COIL 1 COOLING CONTACTOR COIL PROVIDE OVERLOAD PROTECTION AND DISCONNECT MEANS AS REQUIRED. 2 HEATING DAMPER MOTOR, IF USED. 3 CLOGGED FILTER SWITCH OR COOLING PANEL CONNECTION. FAN RELAY COIL 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 95-5367-4 G.H. Rev. 07-03 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. www.honeywell.com/yourhome
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