[. . . ] When referring to "toggling" the reset switch it means pressing the reset switch to the RESET/DISCONNECT position, then back to the NORMAL OPERATION position. To open and close the gate(s) manually, press the reset switch to the RESET/DISCONNECT position. On a dual gate application the reset switch must be pressed on both operators. [. . . ] During the open cycle another activation of the remote control will stop the gate and the next activation of the remote control will close the gate. When the gate is in the open position, activation of the remote control button will close the gate. SLEEP MODE The operator enters sleep mode 10 seconds after the last command is given. The next command given will return the operator to normal operation. 2 MAINTENANCE DESCRIPTION External Entrapment Protection System Photoelectric Sensors Warning Signs Gate Drive Chain (Slide Only) CHECK AT LEAST ONCE EVERY MONTH TASK Check and test for proper operation Check and test for proper operation Make sure they are present Inspect for wear or damage Check for excessive slack and lubricate The following should be checked by an authorized LiftMaster dealer: DESCRIPTION Manual Disconnect Sprockets and Pulleys Accessories Electrical Chassis Mounting Bolts Operator Batteries TASK CHECK AT LEAST ONCE EVERY 6 MONTHS 3 YEARS X X X X X X X Check and test for proper operation Check for excessive slack and lubricate Check all for proper operation Inspect all wire connections Check for tightness Inspect for wear or damage Replace BATTERY The battery should be replaced every three years. A second 7AH (29-NP712) battery may be added or one 33AH (A12330SGLPK) may be used in place of the 7AH batteries. The batteries contain lead and need to be disposed of properly. DRIVE CHAIN (SLIDE ONLY) Over time, the drive chain on the operator will stretch and need to be tightened. NOTE: The chain should have no more than 1 inch of sag for every 10 feet of chain length. 3 ACCESSORIES ENTRAPMENT PROTECTION DEVICES 7 THE PROTECTOR SYSTEM PHOTOELECTRIC SENSORS ® The photoelectric sensors are designed to detect an obstacle in the path of the electronic beam and stop the operator. Model 50-220 SENSING EDGE (2-WIRE, NON-MONITORED) Sensing edges can detect an obstacle upon contact and stop the operator. Models G65MG0204, G65MG0205, G65MGR205 and G65MGS205 SENSING EDGE CHANNEL Mounting channel for all MG020 type edges. Model G65ME120C5 OPEN REMOTE CONTROLS Chamberlain offers a variety of LiftMaster Security® and PassportTM remote controls to satisfy your application needs. Additionally, PassportTM remote controls are ideal for integration with Telephone Entry and Access Control Systems. Contact your authorized LiftMaster dealer for details. 3-BUTTON SECURITY® REMOTE CONTROL OPEN The 3-button remote control can be programmed to control the operator. Model 373LM OPEN CLOSE 3-BUTTON MINI-REMOTE CONTROL WITH SECURITY ® The 3-button remote control can be programmed to control the operator. Model 370LM SECURITY® KEYLESS ENTRY Enables homeowner to operate gate operator from outside by entering a 4-digit code on a specially designed keypad. Model 377LM 4 ACCESSORIES MISCELLANEOUS DUAL GATE WIRING KIT The dual gate wiring kit is 40 feet of interconnecting cable required for dual gate applications. Ideal to raise slide operator higher above the ground for snow and other applications. [. . . ] Model 29-NP712 (7 AMP-Hour Battery, 12 Vdc, requires additional 7AH battery harness) Model A12330SGLPK (33 AMP-Hour Battery, 12 Vdc, harness included. Ideal for solar applications and extended battery backup) BATTERY HARNESS Required when a second 7 AMP-Hour, 12 Vdc battery is added to the operator. Model K94-35225 SOLENOID GATE LOCK (LOW POWER) The automatic gate lock is a solenoid-driven lock that automatically unlocks when the gate is open and locks when the gate is closed. [. . . ]