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11

Important:  

* Check that the rack teeth must engage the gear teeth throughout their full thickness. If not, adjust the 
position of the opener or/and place a few shims between the rack and gate. 
4. Manually slide the gate leaf to ensure the rack is proper on the gear of opener, weld the second nut. 
5. Repeat same steps of first rack section to install the rest rack sections until proper length is reached. 
6. Cut away any excess of the rack (Note: rack length must be longer than actual travel of the gate to 
accommodate limit switch brackets on each gate side.) 
7. Thoroughly fasten the four nuts as well as spring washers onto expansion bolt tightly, enabling the opener 
is firmly secured on the concrete pad during the whole gate travel. 
 
 

Installation of the magnets for the Limit Switches 

Before install limit switch, make sure the gate opener is put in manual operation. (the clutch connected with 
gear shaft is disengaged) and the mains power supply is disconnected. 
Position the two limit stop brackets approximately on the rack and move the gate by hand to fix them in 
place. 

Fit magnets bracket   

Push the gate fully closed by hand. Locate and install the magnet bracket so that the opener will stop at the 
desired close position when the close limit switch approaches it.   
Push the gate fully open by hand. Locate and install the magnet bracket so that the opener will stop at the 
desired open position when the open limit switch approaches it.   

The higher magnet bracket must be installed at left side and lower magnet bracket must be installed 
at right side from the view inside of property.

 Finally adjust the magnet to the proper position by moving 

the gate with the motor. The magnet should be 39 - 59 “away from the magnetic limit switch. If it is too far 
away, the switch will fail to work. The distance between the magnet and the opener should be 1/2” (12mm) 
with the opener cover on. Adjust the position of the magnet until the positions of the opening and closing 
meet the requirement. 

Important Note: 

Please note the two magnet brackets (fixed plate) are different: one is higher and ano the 

other is lower. 
 
 

Connecting of the control board 

Warning

Before making any electrical wire connection or/and setting the control board, make sure 

that the power switch is OFF. 

 

1. Motor 

The 

BLACK

 wire of the motor should be connected into the “6” terminal. 

The 

RED

 wire of the motor should be connected into the “7” terminal. 

The 

YELLOW

 wire of the motor should be connected into the “8” terminal. 

2. Start Capacitor 

One pin of the start capacitor should be wired to the “7” terminal, another to “8” terminal. 

3. Limit Switches 

The 

RED 

wire of the limit switches should be connected into the “9” terminal. 

The 

BLACK

 wire of the limit switches should be connected into the “10” terminal. 

The 

YELLOW

 wire of the limit switches should be connected into the “11” terminal. 

Summary of Contents for SFG 18H

Page 1: ...www WholesaleGateOpener com Rev 11a...

Page 2: ...7 Installation Overview 8 Installation of the Opener 8 Manual Operation 9 Fit The Rack 9 Installation of the Limit Switch 11 Connecting of the Control Board 11 Setting of the Control Board 13 Test the...

Page 3: ...rrying out any work on the installation Also disconnect any buffer batteries if fitted Fit an omnipolar or magnetothermal switch on the mains power supply having a contact opening distance equal to or...

Page 4: ...lied for exposed rollers B The opener is intended for installation only on gates used for vehicles Pedestrians must be supplied with a separate access opening The pedestrian access opening shall be de...

Page 5: ...nside and outside of a vehicular horizontal slide gate 2 One or more contact sensors shall be located at the bottom edge of a vehicular vertical lift gate 3 One or more contact sensors shall be locate...

Page 6: ...othly along its entire run and there is no excessive side slipping The opening and closing gate stops are positioned WARNING Remember that control devices are intended to facilitate gate operation but...

Page 7: ...6 It is suggestion that there is a 4 10cm distance at least between the gate edge and the gate wall when the gate is fully open Parts List...

Page 8: ...4 Dimensions 38 28 36 CM Class of gate opener I II Features Easy to install and low maintain Midway mode Quick selection for gate open close direction Reliable rolling code technology Emergency releas...

Page 9: ...pener You will need screwdrivers an electric drill wire cutters and a wire stripper a socket set and possibly access to a welder When install the opener you should build a concrete pad to support the...

Page 10: ...he lock cover Now the key slot appears 2 Insert the T handle Key provided to the key slot and turn it in counter clockwise 135 to disengage the clutch between the gear shaft and power output Now the o...

Page 11: ...from dealer if necessary 2 Put one end of rack section on the gear of opener as a temporary support Make rack level and mark the rack s mounting holes three holes on the gate 3 Weld the rack nut on t...

Page 12: ...nstall the magnet bracket so that the opener will stop at the desired open position when the open limit switch approaches it The higher magnet bracket must be installed at left side and lower magnet b...

Page 13: ...12 4 Alarm Lamp Optional One wire of the alarm lamp should be connected into the 4 terminal another should be connected into the 5 terminal...

Page 14: ...should be connected into the 12 terminal 9 Wired Keypad 12VDC Optional The RED wire of the wired keypad should be connected into the 12 terminal The BLACK wire of the wired keypad should be connected...

Page 15: ...to adjust the CLOSE stall force of the gate operator Turn the potentiometer clockwise to increase the stall force Turn the potentiometer counter clockwise to decrease the stall force Test the reversi...

Page 16: ...en erased How to use the remote to control the operator Key A is used to operate the operator to work alternately open stop close stop open When the Midway Mode function is enabled Key B is used to ac...

Page 17: ...ckets position b Please try to exchange the limit switch wires CL close and OP open There are two reed switches inside the magnetic limit switch one is upper and another is lower Maybe the magnet posi...

Page 18: ...www WholesaleGateOpener com 7106 S 220th St Kent WA 98032 USA sales WholesaleGateOpener com 2010 2012 LockMaster All Rights Reserved...

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