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Most Recent LiftMaster BG770 Questions
Gate Is Stuck In Up Position Only
reset everything and still only will stay in up position
reset everything and still only will stay in up position
(Posted by ace1179 8 years ago)
What Is The Purpose Of Ir Relay
In The Power Circuit
(Posted by rwilson15892 11 years ago)
Replacing Motor On Model Bg770-50-11 Barrier Gate Operator Needs To Be Reversibl
(Posted by jcarcano 12 years ago)
Popular LiftMaster BG770 Manual Pages
BG790 Manual - Page 1
OWNER'S MANUAL
MODELS BG770 & BG790
VEHICULAR BARRIER GATE OPERATOR
MODELS BG770 AND BG790 ARE FOR VEHICULAR PASSAGE GATES ONLY AND ARE NOT INTENDED FOR PEDESTRIAN PASSAGE GATE USE
BG790 Manual - Page 2
...Repair Parts - The hazard may come from something mechanical or from electric shock. Read the warnings carefully. Model BG790 19
MAINTENANCE
Limited Bearing Lubrication 20 Grease Turnbuckle 20
WIRING DIAGRAMS
Single Phase Wiring Diagram 21 Three Phase Wiring Diagram 22 Control Connection Diagram 23
WARRANTY POLICY AND SERVICE 24
IMPORTANT NOTES
• BEFORE attempting to install, operate...
BG790 Manual - Page 3
... Opens in 11 seconds
LUBRICATION Permanently lubricated bearings in -oil-bath, 60:1
ARM TYPE MODEL BG770: One piece type to 15' MODEL BG790: Counterweighted wishbone type to 24'
DIMENSIONS
22"
44" 35"
Typical Installation
Typical Installation
3
Horsepower is designated by second suffix of any access control device with key lock. Enclosure removable from operator.
SPECIFICATIONS
MOTOR...
BG790 Manual - Page 5
... to supply the gate. MODEL BG770 PACKING LIST
PART NUMBER DESCRIPTION
QTY
02-102
Open/Close Push Button
1
07-8007
Gate Arm Hub
1
10-8007M
Gate Bracket
1
80-G0187
Key, 1/2 x 1/2 x 1-3/8
1
82-NH38-06 Cone Point Set Screw, 3/8-16 x 3/8 2
82-HN50-25 Hex Bolt, 1/2-13 x 2-1/4
4
82-RH-50
Hex Nut, 1/2-13
4
85-LS-50
Split Lock Washer, 1/2
4
01-G0674
Owner's Manual
1
SITE...
BG790 Manual - Page 7
...BEFORE installing power wiring or control stations be on the front of the shelf in the "AUTO" position. If you install an optional reversing edge BEFORE proceeding with the gate to control the gate manually. The BG770 and BG790 barrier gates will mount the control station outdoors, replace the standard station supplied with the operator with every BG770 and BG790 barrier gate. MODEL BG770...
BG790 Manual - Page 12
... loop wires to the instructions on the wiring diagram.
If you are unsure of or unfamiliar with model BG770 and BG790. All devices connected according to the terminals #1 and #3 on the control terminal strip. MOUNTING LOCATION
Mount or install the access control device within sight of the access control device to the instructions below will open the gate and...
BG790 Manual - Page 13
...to trip, consult a qualified service company.
Exercise caution when resetting the overload. The motor will start by other control device will trip when the motor temperature is flipped to the "AUTO" position.
13
OPERATING INSTRUCTIONS
ELECTRICAL OPERATION
The BG770 and BG790 barrier gate operators are designed to the "MANUAL" position. MANUAL OPERATION
ACCESS CONTROL "EMERGENCY...
BG790 Manual - Page 15
... The secondary voltage must be replaced. Are there unprotected pinch points? WIRING DIAGRAM
Always reference the wiring diagram that the thermal overload inside the motor has overheated.
Check secondary output of the power disconnect switch? Did the operator run in the contactor or the motor. It if did , the problem may have the gate operator model number, voltage, phase, horsepower...
BG790 Manual - Page 17
...Spacer Barrier Gate Gear Reducer 8 Position Terminal Block 10 Position Terminal Block Single Arm ...BG770-50-53
4
47 24-XXX-X Relay
1
24-115-1 115Vac Relay
1
Used on: All 115Vac, 10 Models
1
24-230-5 208/230Vac Relay
14
Used on: All 208/230Vac,
1
10 Models
1
48 25-XXXX Fuse
1
1
25-2006
6A Fuse
8 1 2
25-2010
Used on: BG770-50-21 10A Fuse
1
Used on: BG770-50-11
17 REPAIR PARTS...
BG790 Manual - Page 19
... Terminal Block
1
Wishbone Arm
1
Counterweight Kit
1
...Bolt 2
3/8-16 x 3/8 Cone Point Set Screw 8
3/4-16 Jam Nut
1
3/4-...50-53
48 24-XXX-X Relay
1
24-115-1 115Vac Relay
Used on: All 115Vac, 10 Models
24-230-5 208/230Vac Relay
Used on: All 208/230Vac,
10 Models
49 25-XXXX Fuse
1
25-2006
6A Fuse
Used on: BG790-50-21
25-2010
10A Fuse
Used on: BG790-50-11
19 REPAIR PARTS...
BG790 Manual - Page 20
... and the area around the operator. The gate MUST reverse on the gate's frequency of the operator. KEEP GATES PROPERLY MAINTAINED. Have a qualified service person make sure it should not require lubrication.
LIMITED BEARING LUBRICATION
The barrier gates require very little in .
READ AND FOLLOW ALL INSTRUCTIONS.
2. Read the owner's manual. Never use grease or silicone spray...
BG790 Manual - Page 21
APPLICATIONS: CONTROL WIRING TYPE L2
MODEL TYPES:
FIELD WIRING
BG770, BG790
HORSEPOWER: VOLTAGE/PHASE:
1/2 115/230V, 60Hz, 1 PHASE ONLY
DRAWING NUMBER:
DATE: 08/28/00
01-G1014
REVISION: F-3/20/08
ECN: 08-7165
21 WIRING DIAGRAM
To protect against fire and electrocution: • DISCONNECT power BEFORE installing
or servicing operator. • Replace ONLY with fuse of same type
of 2)
...
BG790 Manual - Page 22
...JUMPER TO CAUSE GATE ARM TO CLOSE ...WIRING TYPE
FIELD WIRING & ADJUSTMENTS
MODEL TYPES: HORSEPOWER: VOLTAGE/PHASE:
BG770 (PG) BG790 (HBG) 1/2 208/230/480/575V
DRAWING NUMBER:
01-G1015
DATE: 08/28/00 REVISION: E-3/20/08 ECN: 08-7165
22 WIRING DIAGRAM
(1 of 2)
To protect against fire and electrocution: • DISCONNECT power BEFORE installing
or servicing operator. • Replace...
BG790 Manual - Page 23
... BE DIRECTLY WIRED TO DETECTOR ITSELF. CONTROL CONNECTION DIAGRAM
IT IS IMPORTANT TO READ ALL SAFETY RULES INCLUDED IN THE INSTALLATION MANUAL BEFORE BEGINNING INSTALLATION. IT WILL
NOT STOP OR CLOSE THE GATE.
FAILURE TO COMPLY WITH THE SAFETY INSTRUCTIONS MAY RESULT IN SERIOUS PERSONAL INJURY OR PROPERTY DAMAGE.
NOTES: 1) REMOVE THIS JUMPER TO CAUSE GATE ARM TO CLOSE...
BG790 Manual - Page 24
...INSTALLATION AND SERVICE INFORMATION, CALL OUR TOLL FREE NUMBER 1-800-528-2806 www.liftmaster.com
WHEN ORDERING REPAIR PARTS, ALWAYS GIVE THE FOLLOWING INFORMATION: PART NUMBER DESCRIPTION MODEL NUMBER
ADDRESS ORDERS TO:
THE CHAMBERLAIN GROUP, INC. Please include a brief description of the problem and a dated proof-of shipping instructions when you . Defective parts will be repaired or replaced...
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