| Norton Series UNI-8501 Unitrol Door Controls
Parallel Arm Installation
Catalog Numbers
UNITROL CATALOG
NUMBERS |
NORMAL POWER RANGE |
ACCESSIBILITY CODE
POWER RANGE |
x SPECIFY DOOR WIDTH |
STOP ONLY ARM |
HOLD-OPEN ARM |
STOP ONLY ARM |
HOLD-OPEN ARM |
UNI-8501 |
UNI-8501 H |
UNI-8501BF |
UNI-8501 BF-H |
Closer Power Adjustment
Series UNI-8501--Normal Power Range
Closer power can be adjusted to conform to conventional
sizing requirements outlined in ANSI A156.4-1986, Standards for Door Controls - Closers.
Series UNI-8501BF -- Accessibility Code Power Range
Closer power can be adjusted to conform to the requirements
outlined in ANSI A117.1-1980, Specifications for Making Buildings and Facilities
Accessible To and Usable By Physically Handicapped People.
As a guide to set the Unitrol door closer power, use the
charts on page UNITROL-25 (Series UNI-8301 for Normal Power Range, or Series UNI-8301BF
for Accessibility Code Power Range). Installer must further adjust the closer to
accommodate door, frame, degree of opening, environment or "Code" requirements.
Closer factory set at minimum power (zero turns).
Dimensional Data
DOOR WIDTH WOOD OR
METAL
INCHES (METERS) |
DOOR CLOSER COVER |
DIMENSIONAL
INFORMATION SHOWN IN INCHES (MILLIMETERS) |
R
MINIMUM TOP RAIL OF DOOR |
S
MINIMUM TOP RAIL CLEARANCE |
T
TEMPLATE POSITION FOR HOLD-OPEN AT
LISTED ANGLE OR DEAD STOP AT LISTED ANGLE PLUS 5° |
WITHOUT DROP PLATE |
WITH DROP PLATE |
85° |
90° |
95° |
100° |
105° |
110° |
28-32 (0.70-0.80) |
STANDARD |
4-3/4 (121) |
21/2 (64) |
5-3/4 (146) |
4-5/8 (117) |
4 (102) |
3-1/2 (89) |
3-1/8 (79) |
2-3/4 (70) |
2-3/8 (60) |
OPTIONAL |
6-3/8 (162) |
4-3/8 (111) |
3-3/4 (95) |
3-1/4 (83) |
2-7/8 (73) |
2-1/2 (64) |
2-1/8 (54) |
33-41 (0.85-1.00) |
STANDARD |
4-3/4 (121) |
2-1/2 (64) |
5-3/4 (146) |
7 (176) |
6-1/4 (154) |
5-3/4 (146) |
5-1/4 (133) |
4-3/4 (121) |
4-3/8 (111) |
OPTIONAL |
6-3/8 (162) |
6-3/4 (171) |
6 (152) |
5-1/2 (140) |
5 (127) |
4-1/2 (114) |
4-1/8 (105) |
42-48 (1.05.1.20) |
STANDARD |
4-3/4 (121) |
2-1/2 (64) |
5-3/4 (146) |
9-1/4 (235) |
8-3/8 (213) |
7-3/4 (197) |
7-1/8 (181) |
6-5/8 (168) |
6-1/4 (159) |
OPTIONAL |
6-3/8 (162) |
9 (229) |
8-1/8 (206) |
7-1/2 (191) |
6-7/8 (175) |
6-3/8 (162) |
6 (152) |
DIMENSIONAL
INFORMATION SHOWN IN INCHES (MILLIMETERS) |
U
CLOSER LENGTH |
V
CLOSER HEIGHT |
W
ARM EXTENSION BEYOND CLOSER |
X
CLOSER PROJECTION |
13 (330) |
2-7/8 (73) |
8-3/8 (213) |
2-1/8 (54) |
13-5/8 (346) |
3-7/8 (98) |
8 (203) |
13 (330) |
2-7/8 (73) |
9-7/8 (251) |
21/8 (54) |
13-5/8 (346) |
3-7/8 (98) |
9-1/2 (241) |
13 (330) |
2-7/8 (73) |
11-1/4 (286) |
2-1/8 (54) |
13-5/8 (346) |
3-7/8 (98) |
10-7/8 (276) |
All dimensions for reference only.
For arm mounting accessories, see page UNITROL-36.

2-7/8" high x 2-1/8" deep x 13" long (73mm x
54mm x 330mm)
Molded Full Cover -- #8400P: Standard.
Available in any of the "Sprayed Finishes" listed on page UNITROL-3. Cover fastens to closer with two attaching
screws, included.

3-3/4" high x 2-1/8" deep x 13-1/2" long
(95mm x 54mm x 343mm)
Metal Pull Cover -- 8400M: Optional. Available in
any of the "Plated Finishes" listed on page UNITROL-3.
Cover fastens to closer with two mounting clips and two attaching screws, included.

3-7/8" high x 2-1/8" deep x 13-5/8" long
(98mm x 54mm x 346mm)
Wood Laminated Cover -- #8400W: Optional. Available
in any of the "Wood Finishes" listed on page UNITROL-3.
Cover fastens to closer with two mounting clips and two attaching screws, included. |