Instruction/ maintenance manual of the product LA412 Chamberlain
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The Cha mber lain Gro up, Inc. 84 5 Lar ch Avenue Elmhurst, Illinois 60 1 26- 1 1 9 6 www . l i ft ma st er . co m 12 VOLT DC SINGLE SOLAR RESIDENTIAL GATE OPERATOR Models LA412 and LA412-S For Reside.
TABLE OF CONTENTS 2-7 INTRODUCTION 2 Safety Symb ol and Sign al Word Re view 3 Oper a to r Sp ecifi catio ns 4-5 Safe t y Installation Information 6 Carto n Inventory 6 Hardw are In v ent ory 7 Addit.
Operator Dimensions and Specifications Mai n S upp ly 1 2VDC Bat ter y run. O perati onal bet ween 1 1 .5VDC an d 1 4.5VDC. Access or y Power 1 2V nominal Class II batter y voltage sourc e is limited .
1 . READ and FOLLO W all instruc tions. 2. The gate operator is intende d for use with Class I vehicular swing gates. Class I denotes a vehicular g ate operator (or system) intended for use in a ho me of one to four single fa m i l y dwelling s, or a garage or parking area as soc iated therewith .
1 3. Eac h gate operator is provided wit h two safet y warning placar ds. The p lacard s are to be installe d on the fro nt and back of the g ate where they are plainly visible. The placar ds may be mounted using ca ble ties through t he four holes provide d on each p lacard.
Car ton Inventory This oper ator comes with th e hardware to install on a g ate that pulls-to- ope n . If your app licati on requires the g ate to be pushed open , acc essor y kit 50 - 1 9503 i s required. W arning Signs (2) Moving Gate Can Cause Injury or Death KEEP CLEAR! Gate may move at any time without prior warning.
Additional Items For Purchase The following items are REQUIRED to comp lete the installation: SAFETY SENSORS The Mo del 50 -2 20 safety sensor s are intended for installation with the o perators covered in this manual. T o order c all 1 -8 00 - 528-280 6 or visit w w w .
Mo v i ng Gate Ca n Ca use Injur y or Death KEEP CL EAR! Gate ma y m ov e a t a ny time wi thou t p rior wa rn in g. Do n o t l e t c h ildren o pera te t he g ate o r play i n t h e g ate area. Th is e nt r a nc e i s f or vehi cles on ly Pe de str ia ns m u st use sep ar ate e nt r an ce 12 gauge wire 8 ft.
Outside Property Inside Property Mo vi ng Gat e Ca n C au se In jur y o r D eath KE EP CLE AR ! Gate m ay move at a ny tim e w it ho ut pr ior w arnin g.
Check Y our Gate Gate MUS T be lev el. Gate and gate post MUST be plumb . Remove ANY /ALL wheels fro m the bot tom of gate. Gate MUST NO T hit or dr ag across ground.
Mounting Options Mounting lo catio ns vary d epend ing on the t yp e and st yle of your gate. NOTES: • The top of the operator must be mounted at least 10 inches above the ground. Environmental conditions should be considered at this time. • The operator is not recommended for plastic or vinyl gates.
1 MANUAL RELEASE Inser t the key into the loc k and turn it 180° counterclo ck wise. T urn the release leve r 1 80° c ounterclo ck wise. The op erator is now in manual mod e. 2 DETERMINE THE POSITION OF THE EXTENSION BRACKET The extensio n bracket can be assem bled to work o n a Left-Hand or a Right-Hand gate.
3 MEASURING AND MARKING FOR THE GATE BRACKET Before procee ding, begi n with the gate in the fully close d positio n. There are t wo method s for determining the proper lo catio n of the po st brackets : • Paper template (located on the bac k page of this manual.
4 POSITION THE EXTENSION BRACKET TO POST BRACKET Assemble t he post brac ket b y placing t he extension br acket on top of post brac ket. Inser t the bolt t hrough the brackets and fasten them using t he washer , lo ck washer and nut . DO N OT T I GH T E N AT T HIS T IME .
6 7 POSITION GATE OPERATOR ON GATE The post brac ket assembly can b e mounted several places on the gate post. Refer to page 1 1 for mounting optio ns. Place the oper ator arm against gate post at the desired ver ti cal po sition and tem porarily se cure post br acket with a clamp .
8 TEST GATE TRAVEL Manually op en and close t he gate. Ensure that the operator does n ot bind against the pull -to - open brac ket. Ensure that the piston d oes not bot tom out. 1/2" (1.3 cm) Do not allow piston to fully extend or fully retract.
9 SECURE POST BRACKET TO GATE POST Mark holes for the p ost bracket. Remove the clamp and t he oper ator , an d set both aside. Next, dr ill adequ ate holes in the gate post. Welder (Optional) Secure the p ost brac ket to the gate post using hardware.
To prevent SERIOUS INJURY or DEATH from a moving gate: • Install warning signs on the front and back of the gate in PLAIN VIEW. • Permanently secure each warning sign in a suitable manner using fastening holes. 11 WARNING SIGN PLACEMENT Wa rning plac ard s MUST be installed on both sides of th e gate and in plain view .
13 MOUNT THE CONTROL BOX The control box MUST be mounted within 5' of the gate operator. Mount the control box as high as possible for best radio reception. RESE T Screws (4) Open the Control Box Remove screws and open the control box. Remove the Control Board Disconnect the reset button, alarm, and coaxial connector.
MOUNT THE CONTROL BOX (CONTINUED) Secure the c ontrol b ox to mounting sur face (p ost, wall, column, etc.) us ing the appro priate hardware (not provid ed ). 14 INSTALL THE CONTROL BOARD Attach t he antenna. Reinstall the bat teries, contro l board, alar m, and reset but ton.
FUSE OPEN Mo vin g G a te C an C aus e I njur y or Death KEEP CL EAR! Gate may move a t any tim e w ith o u t pri o r wa rn in g. Do n o t le t chi ld ren op era te th e ga te or p la y in th e gate area.
3 CONNECT THE OPERATOR TO THE CONTROL BOARD Ex tend th e operator ca ble and wires to th e Gate 1 conne ctor and c onnec t as shown. Tighten watertight c onnec tor nut. Mo vin g G a te C an C aus e I njur y or Death KEEP CL EAR! Ga te may move a t any tim e w ith o u t pri or warn in g.
Connect the Gate Operator (Gate 2) to the Control Box (Model L A412-S Only) Occ asionally in d ual gate installations, one g ate will need to open fi rst and close se con d. This would hap pen if there was an ornamental overhang on one g ate or if using a solenoid lo ck , for example.
5 CONNECT SECOND OPERATOR TO CONTROL BOARD (MODEL LA412-S ONLY) • Before digging, c ontac t loc al underground ut ility locating companies. • T rench acros s drivew ay to bury the ex tension cabl e. • Use PV C c onduit to prevent damage to c ables.
6 JUNCTION BOX The following items are required to c omplete the junc tion b ox installation : • 4 x 4 Juncti on Box with 3 /4" NPT threaded por t h oles • Screws • PV C C onduit Open th e juncti on box by removing screws (4) and set aside.
7 CONNECT WATERTIGHT CONNECTORS Route operator cable an d extension cable t hrough watertight c onnec tor nut and watertight c onnec tor . Inser t ca bles and watertight c onnec tors into th e holes in the bot tom of the jun cti on box (not provided) .
SOLAR PANEL INSTALLATION Select Site for Solar Panel(s) The solar panel(s) must be located in an open area clear of obstructions and shading for the entire day. The solar panel(s) comes with a 10' cable. If a location near the control box cannot be found, an additional cable will be required.
1 OVERVIEW OF SOLAR PANEL INSTALLATION Make sure the control b ox has two 1 2V 7 AH batteries inst alled. Do not co nnect batteries until instruc ted. Solar Panel (facing South) Control Box Solar Pane.
2 POSITION SOLAR PANEL(S) NOTE: If the panel(s) is not casting a shadow, the battery is not being charged. The loc ation of the panel (s ) is crit ical to th e succ ess of the inst allation. In general, the panel (s) s hould be mounted using the provid ed angle brac ket facing due south .
3 POSITION SOLAR BRACKET Position solar bracket on mounting sur fac e. Mark and drill holes. NOTE: Solar panel(s) MUST be installed facing south. Use a compass to determine direction. 4 INSERT MOUNTING BOLTS Inser t t wo bolts into th e track lo cated on the bac k of the solar panel ( s) .
7 CONNECT SOLAR PANEL(S) TO OPERATOR CONTROL BOX Open th e control b ox cov er . Disc onne ct all power and batteries from th e control b oard. Run the so lar panel cabl e to the bot tom of th e contro l box.
8 CONNECT BATTERIES The batteries are c harge d in circ uit by using the solar panel (provided ). Locate the t wo white batter y p lugs on th e lef t-hand side of the c ontrol b ox. Connect the p lug from the batter y to c onnec tor on the c ontrol b oard.
PROGRAMMING Program Limits The limits are internal set ting s that indic ate when the gates ar e in the fully op en position an d the fully close d positio n. For proper func tionalit y , the limit s must be programm ed during the inst allation proces s.
NOTES: • The gate with the longer travel span (opening) must be set as the primary gate (GATE 1). • If one gate is overlapping the other, the gate that is overlapping must be connected to GATE 1 so it will start moving before the other gate; gate 2 may need to be closed fi rst if there is overlap or a gate lock is being used.
Force and Timer to Close FORCE ADJUSTMENT The operator is equi pped a with an o bstruc tion sensing feature . If the gate encounters an o bstru cti on the o perator will automatic ally rev erse dire ctio n and stop. Based on t he length and weight of t he gate it may be necessar y to make force adjust ments.
Z22 R91 CLOSE EDGE R94 R92 R93 L1 R1 R2 Z1 K5 K6 K2 F3 10A 32V D1 Ø OPEN EDGE/ PHO T O OPEN PHO T O CLOSE PHO T O R227 R2 Ø 7 Z2 Ø R223 P1 Z9 Z8 F2 F6 D4 R9 R224 U4 CONTROL INPUTS FORCE TIMER TO CL.
OPERATION AND MAINTENANCE 1. READ AND FOLLOW ALL INSTRUCTIONS. 2. NEVER let children operate or play with gate controls. Keep the remote control away from children. 3. ALWAYS keep people and objects away from the gate. NO ONE SHOULD CROSS THE PATH OF THE MOVING GATE.
MANUAL RELEASE In case of a power failure, the operator ca n be diseng aged from the gate. With an operator , the release ac tion may sometimes feel stif f / jer k y , whic h is normal and has n o effect on function . RELEASE 1 . Inser t the key into the loc k.
EDGE EDGE 50-220 SAFETY SENSORS 50-220 SAFETY SENSORS OR OPEN (EXIT LOOP ) SINGLE BUTTON (SBC) RESET STOP SHADOW LOOP INTERRUPT LOOP 50-220 SAFETY SENSORS CLOSE EDGE R93 D42 K2 D1 Ø OPEN EDGE/ PHOTO .
Y our gate operator is programm ed with self-d iagnostic c apabilit ies. The diagnost ic LED will fl ash a number of time s then pause signif ying it has found a potential issue. Consult Diagno stic Char t be low . Diagnostic Char t Operator is in sleep mode.
SYMPTOM POSSIBLE SOLUTION Operator does not run. • Power not connected. Make sure the AC/Solar input is connected and that at least Diagnostic LED not on.
SYMPTOM POSSIBLE SOLUTION The arm moves but cannot • Arm does not extend or contract enough during travel. The arm piston must extend exit Learn Limits mode. and contract close to its full length to Learn Limits. Adjust the arm mounting so that Cannot learn limits.
43 Operati on and Maintenan ce SYMPTOM POSSIBLE SOLUTION Gate opens but does not • An open input is continuously activated. Check the open loop or vehicle probe to close. make sure they are clear of objects. Verify connections and operation for these devices.
3 5 4 2 1 6 7 REPAIR PARTS Control Box ITEM PART # DESCRIPTION QTY 1 K 1 A6426 - 1 Control B oard with Mounting Bracket 1 2 K 23 - 1 938 0 Reset Switch 1 3 K7 4 - 34 392 Antenna 1 4 29 -N P7 1 2 Batte.
ACCESSORIES 3-Button SECURITY ✚ ® Remote Control: Incl udes vis or cl ip . Protector System ® Safety Sensors: The Safety Sensor s are recom mended for installation with the oper ators covered in this manual. Automatic Gate Lock: Solenoid - driven lo ck that automatic ally unlocks w hen gate is open and lo cks when gate is closed.
WARRANTY POLICY LIFTMASTER ONE YEAR LIMITED WARRANTY Th e Chamb er lain Gr oup, Inc. wa rr an t s to th e fir s t re t ail pur ch as er of t his pr oduc t , for th e st ruc t ure in w hic h this pr od.
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© 2008, The Chamberlain Group, Inc. 01-34491B All Rights Reserved TEMPLATE FOR POST BRACKET MOUNTING 7 6 5 4 3 2 1 7 6 5 4 3 2 1.
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If you already are a holder of Chamberlain LA412, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Chamberlain LA412.
However, one of the most important roles played by the user manual is to help in solving problems with Chamberlain LA412. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Chamberlain LA412 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
