Table of Contents
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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.
® U.S. Registered Trademark
Copyright © 1997 Honeywell Inc. • All Rights Reserved
D896 Automatic Vent Damper
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.
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
PRODUCT DATA
Contents
68-0186
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Summary of Contents for Honeywell D896
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Page 1: Table Of Contents
GENERAL • 24V operation for easy, low-cost wiring. D896 Automatic Vent Dampers are used with atmospheric • Visual indicator shows damper position. type, gas-fired equipment to reduce home heating losses by closing off the vent between heat cycles. -
Page 2: Specifications
290,000 84,970 Features: 377,000 110,461 • TRADELINE® pack with cross reference label. • 8 ft (2.4m), 4-wire cable with mating plug for D896 on one 475,000 139,175 end and mating plug for 86/S8600/S8610/S8620 or Penn 590,000 173,500 Baso G60 or G66 plug receptacle on the other end. Both ends equipped with an outlet box connector. -
Page 3: Application
197516A Wiring Harness is a 4-wire cable, 8 feet (2.5 Operating Times: meters) long, with D896 mating plug on one end and Approximate Damper Opening Time: 30 seconds. mating plug for S86/S8600/S8610/S8620 or Penn Baso Approximate Damper Closing Time: 30 seconds. -
Page 4: Installation
Location The atmospheric draft hood outlet area must be The D896 must be installed after the furnace or boiler draft smaller or equal to the inlet area of the damper hood. See Fig. 2. Make sure the D896 Motor Actuator is assembly. - Page 5 D896. Use the damper blade plug when the damper is installed on a Do not use the D896 with an L8148 or L8124 with system with either an intermittent pilot or direct ignition. The a manual/automatic switch because the switch plug will increase system efficiency.
- Page 6 SERVICE SWITCH. THE NORMAL SWITCH SETTING IS NORM. IF THE SWITCH IS MOVED TO THE SERV POSITION, THE DAMPER REMAINS OPEN. NO W,Z TERMINALS ON L7148. M11382 Fig. 6. Wiring diagram for D896 connection to L8148E1166 /L7148 using wiring harness with two Molex plugs. 68-0186...
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Page 7: Settings
M11375 DAMPER IS CONNECTED. Fig. 7. Wiring diagram for D896 connection to S8600/S8610 using wiring harness with two Molex plugs. 1. When replacing a D80B or D892 with a D896, use the furnace or boiler burner lights. When the heating cycle ends,... -
Page 8: Troubleshooting
1. Set the thermostat or controller to COOL. Move the setpoint to 10°F (6°C) below the room temperature. 2. Make sure the cooling system operates. 3. Check that the D896 is in the closed position. See Fig. 4. Return the thermostat or controller to the desired settings. -
Page 9: Instructions To The Homeowner
D896 AUTOMATIC VENT DAMPER NOTE: If there is a power failure, the damper remains heating contractor for repairs. The name of the original exactly where it is at the moment of failure (open, installer of your vent damper is on the installation label. -
Page 10: Ansi Standards
D896 AUTOMATIC VENT DAMPER ANSI STANDARDS EXHIBIT A Procedure For Safety Inspection of an Existing Appliance Installation The following procedure is intended as a guide to aid in 10. Determine that the pilot(s), when provided, is burning determining that an appliance is properly installed and is in a properly and that main burner ignition is satisfactory by safe condition for continuing use. - Page 11 D896 AUTOMATIC VENT DAMPER EXHIBIT B Procedure for Installing Electrically Operated Automatic Vent Damper Devices on Existing Appliances This procedure is intended as a guide to aid in safely 10. Insofar as is practical, close all building doors and installing an electrically operated or mechanically actuated windows and all doors between the space in which the automatic vent damper device on an existing appliance.
- Page 12 D896 AUTOMATIC VENT DAMPER Home and Building Control Home and Building Control Honeywell Asia Pacific Inc. Honeywell Inc. Honeywell Limited-Honeywell Limitée Room 3213-3225 Honeywell Plaza 155 Gordon Baker Road Sun Hung Kai Centre P.O. Box 524 North York, Ontario No. 30 Harbour Road...