PRODUCT DATA

® U.S. Registered Trademark
Copyright © 1997 Honeywell Inc. • All Rights Reserved
D896 Automatic Vent Damper

GENERAL

D896 Automatic Vent Dampers are used with atmospheric
type, gas-fired equipment to reduce home heating losses by
closing off the vent between heat cycles.

FEATURES

•4-wire plug receptacle.
•Includes wiring harness on select models to fit plug
receptacle onto S86/S8600/S8610/S8620 /L7148/L8148
or Penn Baso G60 or G66.
•For use only on atmospheric type gas-fired furnaces
and boilers equipped with draft hoods.
•Applicable to direct spark ignition (DSI), intermittent
pilot (IP), hot surface ignition (HSI), and standing pilot
systems.
•Ambient temperature range 32°F (0°C) to 150°F (65°C).
•Requires dual automatic combination gas control
valve or two separate single function main gas valves.
•Interlock switch provides safe operation; burner fires
only with damper in open position.
•24V operation for easy, low-cost wiring.
•Visual indicator shows damper position.
•30-second nominal closing time for optimum energy
savings.
• Quiet motor and relay.
•Wiring harnesses available separately to fit a variety of
applications.
68-0186

Contents

General ............................................................................... 1
Features.............................................................................. 1
Specifications...................................................................... 2
Ordering Information ........................................................... 2
Application........................................................................... 3
Installation ........................................................................... 4
Settings ............................................................................... 7
Operation and Checkout ..................................................... 7
Troubleshooting................................................................... 8
Instructions to the Homeowner ........................................... 9
ANSI Standards .................................................................. 10