Aobd-Bm Dampers - Honeywell W180 User Manual

Fig. 49—Installing automatic opposed blade dampers.
2
1 DAMPER MOTOR ACTUATOR AND DRIVE
LINKAGE MUST BE TOWARD TOP OF DUCT.
Fig. 50—Securing back of automatic opposed
blade dampers to air duct.
1
1
SECURE BACK OF DAMPER TO AIR DUCT USING
TWO 1/4 IN. [6mm] SHEET METAL SCREWS.
3 IN. [76 mm]
DUCT OPENING
1
2
3
M514
41
USE 1/4 IN. [6 mm] SHEET METAL SCREWS PROVIDED.
FOR LONGER DUCTS OR VERTICAL DUCT
APPLICATIONS, SECURE REAR OF DUCT
USING TWO SHEET METAL SCREWS.

AOBD-BM DAMPERS

Install AOBD-BM dampers as follows:
1. Cut a 3 in. [76 mm] opening in the bottom or top of
the air duct at the location selected. Ensure the opening
is cut fully to the air duct seams on each side (Fig. 51).
2. Slide the AOBD-BM into the air duct.
3. Secure the AOBD-BM mounting plate to the air duct
using the sheet metal screws provided.
4. Wire the AOBD-BM as shown on the job drawings.
W180 ZONE CONTROL SYSTEM
3
M2275B
68-0139