Chamberlain BG790 manual

Doc 01-G0674 Rev E Installation and Maintenance Manual Barrier Gate Operator Models BG770 & BG790[...]

2 Contents Doc 01-G0674 Rev E Contents General Product Inf ormation _______________________________________________ 4 Specifications _______________________________________________________________________ 4 Safety In stru ctio ns ________________________________________________________ 6 Before Installation _________________________________________[...]

Contents 3 Doc 01-G0674 Rev E Requir ed Ma intenan ce-Nor mal Us age _____________________________ 26 _Toc509797299 BG770 D rawi ng an d P arts Li st ______________________________________________ 27 BG770 Exploded View _______________________________________________________________ 27 BG770 Parts List ______________________________________________[...]

General Product Information 4 Doc 01-G0674 Rev E General Product Information Specifications Specifications are for both model BG770 and model BG790 unless otherwise noted. POWER Line voltage is designated by third suffix of gate part number. For amp draw, see motor nameplate. -11; 115VAC, 1 Phase, 60Hz -21; 230VAC, 1 Phase, 60Hz -81; 208VAC, 1 Phas[...]

General Product Information 5 Doc 01-G0674 Rev E OPERAT ION Prewired terminal strip accepts field connection of any access control device w ith normally open (N.O.) output contact (most access control e quipment) and when required, a separate OPEN/CLOSE pushbutton (s upplied). Plug-in connectors are included for addition of a l oop detector to open[...]

Safety Ins tructi ons 6 Doc 01-G0674 Rev E Safety Instructions WA RNIN G To reduce the risk of injury or death, it is important to read all safety instructions. These safety instructions have been prepared by LiftMaster, the manufacturer of the barrier gate. As the manufacturer of only part of the total barrier gate system, w e do not know w hat ty[...]

Safety Ins tructi ons 7 Doc 01-G0674 Rev E After Installati on ! Be sure that the operator, con trols, and safety devices have been te sted and are functioning properly. ! Review the operation of the gate and sa fety equipment with the owner or e nd user. Be sure that the end user is aw are of all safety instructions and hazards of the ope rating s[...]

Preparing the I nstallation 8 Doc 01-G0674 Rev E Prep aring the Inst allation Unpack Carton 1 Unpack the carton, checking for possible da mage during shipping. The arm (w hen supplied) is packed separately. Damage claims must be filed with the freig ht carrier. 2 Check that the nameplate data (inside service cov er) accurately matches the operator [...]

Preparing the I nstallation 9 Doc 01-G0674 Rev E Preparing the Site 1 Be sure that selected gate location has re quired clearance for arm movem ent (and counterweights on model BG790). Refer to the dimensional drawings, Figure 1 and Figure 2 on page 4. 2 Run electrical power to the site according to local electrical codes. See Table 3 below for cor[...]

Preparing the I nstallation 10 Doc 01-G0674 Rev E Preparing the Operator CAUTION Never open electrical cabinet cover unless pow er is off. Electrical shock and serious injury could result. 1 Remove the wood base from the unit and disca rd. 2 Locate the keys f or the access panel ( taped to the arm mount ing flange) and remove. 3 Open the side acces[...]

Install atio n 11 Doc 01-G0674 Rev E Inst allation Step 1: Mounting 1 Layout the concrete pad as detailed in Figure 4. Be sure to locate electrical conduit inside the hatched 14" x 13" a rea. 2 Excavate required area for pad and conduit. Pad depth should be below the frost line, or as required by local codes. 3 Locate four 1/2" X 6&q[...]

Install atio n 12 Doc 01-G0674 Rev E Step 2: Arm Fabrica tion MODEL BG770 ( SING LE AR M) If you are making the arm yoursel f, refer to Figure 5 and its suggestions for the single arm design. 1 Drill f our 1/2" diameter holes using the arm clamp as a template. Tapering the wood as shown helps reduce the weight and allows you to reduce any w ar[...]

Install atio n 13 Doc 01-G0674 Rev E Step 3: Wiring Conn ections Locate the electrical enclosure inside the cabinet. The enclosure (shipped loose) may be re moved from the cabinet to help in the connec tions described below. W hen all co nnections are complete, hang the enclosure as described in step 7 . WA RNIN G Consult local electrical codes for[...]

Install atio n 14 Doc 01-G0674 Rev E Step 4: Ar m At ta c h me n t For easier access during installation, the top cov er of the unit may be open ed by removing the two wing nuts from underneath, inside the cabinet. WA RNIN G W hen following t he procedure below, the motor belt w ill tur n and the drive sha ft will move during some of the steps. Kee[...]

Install atio n 15 Doc 01-G0674 Rev E BG790: WI SHBONE COUNTERWE IGHTED ARM Attach left and right arms to the arm hub flanges as shown and desc ribed below. 1 Bolt counterweights to ends o f arms clamps as shown. Use Caution l ifting 57lb. weights. 2 Bend and fasten the tw o arms together as shown in Figure 10. If an extension arm is required, sandw[...]

Install atio n 16 Doc 01-G0674 Rev E Step 5: Arm and Turn buckle Shaft A djustmen ts CAUTION Turn off power before m aking any adjustments. MODEL BG770 A D JUSTMENTS 1 If necessary, rotate the pulley on the motor by hand until the crank arm on the gear reducer is perfectly aligned with the turnbuckle shaft (see Figure 11). This is the low est point[...]

Install atio n 17 Doc 01-G0674 Rev E MODEL BG790 A D JUSTMENTS 1 If necessary, rotate the pulley on the mo tor by hand until the upper and lower cranks are in a vertical position (see Figure 13). This is the low est point of tr avel and should be preset in this position at the factory. 2 If the arm is not level, loosen the jam nuts on both the top [...]

Install atio n 18 Doc 01-G0674 Rev E Step 6: Limit Sw itch Adjustments Aux ilia ry C los e L im it Sw it ch Clo se Li mit Sw it ch O pen Li mit S witch CLO SE Dir ec t i on OPEN Dir ec t i on 01- G06 7 4F1 6 Figure 14: Limit Switch Lay out CLOSE LIMIT SWITCH The CLOSE limit switch is preset at the factory. If you rotated the pulley in section Arm a[...]

Optional Accessories 19 Doc 01-G0674 Rev E Optional Accessories CAUTION Turn off power before wor king inside gate enclosure. Vehicle Detec tors Almost all types of vehicle detectors may be used in conjunction with both model BG770 and BG790. More than one detector may be connected to the gate, and may be mounted inside o f the cabinet. Connect the[...]

Install atio n 20 Doc 01-G0674 Rev E Card Readers, Ke ypads, or oth er Almost all types of access control devices may be connected to models B G770 and BG790. M ore than one device may be connected in parallel. All devices connected acco rding to the instructions below will open the gate and reverse the gate if it is closing. MOUNTING LOCATION Moun[...]

Operating Instructions 21 Doc 01-G0674 Rev E Operating Instructions Electrical Operation The BG770 and BG790 barrier gate operators are designed to provide years of trouble-free operation. The gate may be operat ed by means of the two button control station, or by other means i f provided. ON/OFF POWER SWITCH The gate is provided wi th an ON/OFF po[...]

Troubleshooting 22 Doc 01-G0674 Rev E T roubleshooting W hen troubleshoot ing, one of the first t hings to do is try to isolate the pro blem area. The four (4) main areas to check out are: Power Accessories Oper ator’s Primary Voltage Operator’s Low Voltage 1. Power A lw ays use extreme caution! Some possible symptoms of pow er problems include[...]

Troubleshooting 23 Doc 01-G0674 Rev E 2. A ccessories Add-on accessories can create many o f the problems that are credited to the operator. M any applications have more than one accessory item attached to the operator and some o f these items even draw their power from the operator. Some of the symptoms that can show up becaus e of accessories: T [...]

Troubleshooting 24 Doc 01-G0674 Rev E 3C. If 3a and 3b check out O.K., then manually disconnect the operator from the gate. Very carefully , using a screwdriv er with an insulat ed handle, press down on the open side of the contactor. Then do the same to the close side o f the contactor. Did the operator run in both directions? If it did, the probl[...]

Troubleshooting 25 Doc 01-G0674 Rev E General Ref erence In formati on THE GATE Double check the gate and its related hardware. Does the gate move freely? Are there unprotected pinch points? - If yes, then correct. WIRING DIAGRAM Always reference the wiring diagram that w as supplied with the operator. Note that some of the accessory items may ha v[...]

Required Maintenance – Normal Usage 26 Doc 01-G0674 Rev E Required Maintenance-Normal Usage Check at lea st once every (#) of months ITEM ACTION 1 3 6 12 Ext ern al sa fety sy ste ms Check f or proper oper ation ! Gate caut ion sig ns Make s ure the y are present ! Drive c hain (s ee notes) Check for exc essive s lack and lubr icate ! Sprock ets [...]

BG770 Drawing and Parts List 27 Doc 01-G0674 Rev E BG770 Drawing and Part s List BG770 Expl oded View[...]

BG770 Drawing and Parts List 28 Doc 01-G0674 Rev E BG770 Parts Lis t STANDARD PARTS PART NO. QTY. DESCRIPTION P ART NO. QTY. DESCRIPTION 02-102 (N ) 1 KEY SW ITCH 80-207- 36 (N) 1 1/4 x 1/4 x 1-1/4 KEY 03-8024 -K 1 3 POLE CONTA CTOR 80-5001 (N ) 2 3/1 6 x 3/16 X 3/4 KEY 03-ABD IN-4 (N ) 1 DIN R AIL 80-575 6 3/4 FLATW ASHE R 07-8003 1 LOWER CRANK 80[...]

BG790 Drawing and Parts List 29 Doc 01-G0674 Rev E BG790 Drawing and Part s List BG790 Expl oded View Figure 16[...]

BG790 Drawing and Parts List 30 Doc 01-G0674 Rev E BG790 Parts Lis t STANDARD PARTS PART NO. QTY. DESCRIPTION P ART NO. QT Y. DESCRIPTION 02-102 (N ) 1 OPEN/CLOSE K EY SW ITCH 80-1904N (N) 8 FAILSA FE BOAR D STA ND OF F 03-8024 -K 1 3 POLE CONTA CTOR 80-207- 36 1 1/4 X 1/4 x 1-1 /4 DISCONN ECT KE Y 03-ABD IN-4 (N) 1 DIN RAIL 80-50 01 (N) 1 3/16 x 3[...]

01-G1014 W iring Diag ram 31 Doc 01-G0674 Rev E DRAWING NUMBER: DA TE: 08/28/00 REVISION: - 9/9/02 ECN: NOTES: 1) TRANSFORMER PRIMARY VOL T AGE SAME AS OPERAT OR LINE VOL T AGE 24V SECONDARY . 2) RELA Y COIL VOL T AGE SAME AS OPERA T OR LINE VOL T AGE. 3) WE RECOMMEND USING A DEDICA TED CIRCUIT BREAKER FOR EACH OPERA TOR. APPLICA TIONS: CONTROL WIR[...]

01-G1014 Field Wiring Diagram 32 Doc 01-G0674 Rev E IT IS IMPOR T ANT T O READ ALL SAFETY RULES INCLUDED IN THE INST ALLA TION MANUAL BEFORE BEGINNING INST ALLA TION. F AILURE T O COMPL Y WITH THE SAFETY INSTRUCTIONS MA Y RESUL T IN SERIOUS PERSONAL INJURY OR PROPER TY DAMAGE. NOTES: 1) REMOVE THIS JUMPER TO CAUSE GA TE ARM TO CLOSE IMMEDIA TEL Y W[...]