| Norton Series UNI-78B/F Unitrol Door Controls
Parallel Arm Installation
Catalog Numbers and Door Sizes
| DOOR SIZE WOOD OR METAL
INCHES (METERS) |
UNITROL CATALOG NUMBER |
| INTERIOR |
EXTERIOR |
STOP ONLY ARM |
HOLD-OPEN ARM |
x SPECIFY DOOR WIDTH |
| 28-41 (0.70-1.00) |
28-36 (0.70-0.90) |
UNI-78BD |
UNI-78BD-H |
| 42-48 (1.05-1.20) |
37-48 (0.95-1.20) |
UNI-78EF |
UNI-T8EF-H |
Door sizing information is based on installation on
standard weight doors, 7'0" (2.13m) high 1-3/4" (44mm) thick; hung on
anti-friction hinges and operating under normal conditions. Unusual winds or drafts will
generally require the use of a larger power closer.
Dimensional Data
| DOOR WIDTH INCHES (METERS) |
DIMENSIONAL INFORMATION
SHOWN IN INCHES(MILLIMETERS) |
| R MINIMUM TOP RAIL OF DOOR |
T TEMPLATE POSITION FOR HOLD-OPEN AT LISTED ANGLE OR DEAD STOP AT
LISTED ANGLE PLUS 5° |
W ARM EXTENSION BEYOND CLOSER |
| WITHOUT DROP PLATE |
WITH DROP PLATE |
85° |
90° |
95° |
100° |
105° |
110° |
| 28-32 (0.70-0.80) |
5-5/8 (143) |
2-3/4 (70) |
10 (254) |
9-3/8 (238) |
8-3/4 (222) |
8-1/4 (210) |
7-3/4 (197) |
7-1/2 (191) |
8-7/8 (225) |
| 33-41 (0.85-1.00) |
12-1/4 (311) |
11-5/8 (295) |
11 (279) |
10-1/2 (267) |
10 (254) |
9-5/8 (244) |
10-3/8 (264) |
| 42-48 (1.05-1.20) |
14-5/8 (371) |
13-7/8 (352) |
13 (330) |
12-1/2 (318) |
12 (305) |
11-1/2 (292) |
11-7/8 (302) |
All dimensions are for reference only.
Accessories
For arm mounting accessories see page UNITROL-36.

Narrow Top Rail -- #88 Drop Plate: For use where a
narrow top rail prevents the control from being mounted directly to the door surface. This
Drop Plate permits mounting the door closer on a too rail as narrow as 2-3/4" (70mm)
in height. |