Honeywell TROL-A-TEMP AOBD Series Product Data

Honeywell TROL-A-TEMP AOBD Series Product Data

Automatic opposed blade dampers

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Automatic Opposed Blade Dampers
AOBD
IOBD

APPLICATION

The opposed blade dampers are rectangular dampers with a
24-volt, two-position, power open and closed damper motor
used to control the volume of circulating air in heating, cooling,
and ventilating system.
® U.S. Registered Trademark
Copyright © 2001 Honeywell • All Rights Reserved

FEATURES

• Anodized extruded aluminum.
• Three models available:
AOBD-BM
• Fully assembled and ready for installation.
• For odd-size dampers, contact Honeywell Customer
• Order dampers by size and model:
• When ordering AOBD-BM dampers up to 24 in. wide, a
• For odd-size dampers, order a one-inch filler strip for
— AOBD with side-mounted motor.
— AOBD-BM with bottom-mounted motor.
— IOBD with internally-mounted motor.
Service or your local Honeywell Sales Representative
for pricing.
— Order AOBD and IOBD using width by height.
(AOBD motor and end plate are mounted on the
height dimension.)
— Order AOBD-BM using height by width. (AOBD-BM
motor is mounted on the width dimension.)
— AOBD-BM is available only up to 20 in. wide with-
out a filler strip.
filler strip up to 4 in. is built-in.
each odd dimension.
(AOBD)

PRODUCT DATA

68- 0246

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Summary of Contents for Honeywell TROL-A-TEMP AOBD Series

  • Page 1 • For odd-size dampers, order a one-inch filler strip for 24-volt, two-position, power open and closed damper motor each odd dimension. used to control the volume of circulating air in heating, cooling, and ventilating system. ® U.S. Registered Trademark Copyright © 2001 Honeywell • All Rights Reserved 68- 0246...
  • Page 2 Honeywell, 1885 Douglas Drive North Minneapolis, Minnesota 55422-4386 In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9. International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France, Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
  • Page 3 AUTOMATIC OPPOSED BLADE DAMPERS (AOBD) WIDTH HEIGHT DIMENSIONS: 6, 8, 10, 12, OR 14 IN. (152, 203, 254, 305, OR 356 MM). TO ENSURE PROPER FIT, DAMPER HEIGHT HEIGHT IS 1/8 IN. (3 MM) LESS THAN THE LISTED HEIGHT DIMENSION. WIDTH DIMENSIONS: 8, 10, 12, 14, 16, 18, OR 20 IN.
  • Page 4 AUTOMATIC OPPOSED BLADE DAMPERS (AOBD) INSTALLATION When Installing this Product... Selecting Location with Humidifier Installed • Recommended humidifiers are the evaporative type. 1. Read these instructions carefully. Failure to follow these instructions can damage the product or cause a hazard- IMPORTANT ous condition.
  • Page 5 AUTOMATIC OPPOSED BLADE DAMPERS (AOBD) IMPORTANT INSTALLING AUTOMATIC OPPOSED BLADE DAMPERS (AOBD), SEE When installing damper in horizontal air duct, be FIG. 7) sure to mount the electric actuator and drive linkage 1. Be sure the AOBD is correctly sized to the air duct. toward the top of the air duct.
  • Page 6 AUTOMATIC OPPOSED BLADE DAMPERS (AOBD) 3 IN. (76 mm) DUCT OPENING 3 IN. (76 mm) DUCT OPENING DAMPER MOTOR ACTUATOR AND DRIVE LINKAGE MUST BE TOWARD TOP OF DUCT. USE 1/4 IN. (6 mm) SHEET METAL SCREWS PROVIDED. DAMPER MOUNTING TRACKS INSTALLED INTO TOP AND BOTTOM OF AIR DUCT.
  • Page 7 AUTOMATIC OPPOSED BLADE DAMPERS (AOBD) USE 1/4 IN. (6 MM) SHEET METAL SCREWS (PROVIDED) THROUGH MOUNTING TABS. M515A Fig. 10. Installing IOBD. 68-0246...
  • Page 8 AUTOMATIC OPPOSED BLADE DAMPERS (AOBD) WIRING Wiring Independent Zone Applications, See For independent zone applications, follow the thermostat wiring instructions, if available, or see Fig. 11 for a typical Fig. 11 wiring diagram. T87F/Q539B INTERNAL SCHEMATIC T87F TEMPERATURE FALL ADJUST- ABLE HEAT ANTICIPATOR...
  • Page 9 AUTOMATIC OPPOSED BLADE DAMPERS (AOBD) TYPICAL CONTROL PANEL THERMOSTAT DAMPER ACTUATORS DAMPER DAMPER ACTUATOR ACTUATOR TO 24V M885 M2280D JUMPER TERMINALS 2 AND 5 ON DAMPER ACTUATORS. Fig. 12. Tandem wiring of dampers to the thermostat in an Fig. 13. Typical tandem wiring diagram with control panel. independent zone application.
  • Page 10 AUTOMATIC OPPOSED BLADE DAMPERS (AOBD) CHECKOUT IMPORTANT After installing and wiring the dampers, turn on the power To ensure accurate temperature control, do not supply and check out the system. To check out the forced air system, see the system specifications. touch or breathe on the thermostat bimetal or ther- mometer.
  • Page 11 AUTOMATIC OPPOSED BLADE DAMPERS (AOBD) SERVICE Checking Damper Blades (1) When the damper blades are fully closed, the end-switch engages, the 24 Vac light turns off, Occasionally damper blades stick while opening or closing. and the electric actuator turns off. The problem may be caused by a worn motor switch or 5.
  • Page 12 AUTOMATIC OPPOSED BLADE DAMPERS (AOBD) Home and Building Control Home and Building Control Honeywell Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9 Printed in U.S.A. on recycled 68-0246 G.H. 02-01 www.honeywell.com/yourhome...

This manual is also suitable for:

Trol-a-temp aobd-bmTrol-a-temp iobd

Table of Contents