GT- Logic 4 Installation Manual
Page 1
The Logic 4 operator incorporates a self-diagnostic feature built into the (MAS) Maintenance Alert System LED. An LED on Board Visit www.liftmaster.com to set number of cycles/months is reached or when the operator requires immediate service. CONTACT INFORMATION GT 2 YEAR WARRANTY Serial # ... Built on the 3-button station will signal when the set an internal Maintenance Cycle Counter. Operators are shipped in your area. INSTALLATION MANUAL H, J, AND HJ T AND APT L 4 ogic L3 GH THIS PRODUCT IS TO BE INSTALLED AND SERVICED BY A TRAINED DOOR SYSTEMS TECHNICIAN ONLY.
The Logic 4 operator incorporates a self-diagnostic feature built into the (MAS) Maintenance Alert System LED. An LED on Board Visit www.liftmaster.com to set number of cycles/months is reached or when the operator requires immediate service. CONTACT INFORMATION GT 2 YEAR WARRANTY Serial # ... Built on the 3-button station will signal when the set an internal Maintenance Cycle Counter. Operators are shipped in your area. INSTALLATION MANUAL H, J, AND HJ T AND APT L 4 ogic L3 GH THIS PRODUCT IS TO BE INSTALLED AND SERVICED BY A TRAINED DOOR SYSTEMS TECHNICIAN ONLY.
GT- Logic 4 Installation Manual
Page 2
...INSTALLATION 16-17 Determine Mounting Location 16 Mounting 17 Install the Manual Disconnect 17 WIRING 18-19 Power and Ground 18 Control Station 19 ENTRAPMENT PROTECTION 20-22 LiftMaster Monitored Entrapment Protection (LMEP 20 Install the Photoelectric Sensors (Provided ... H, GH, J, and HJ 27 PROGRAMMING 28-35 Introduction to Order Repair Parts 36 TROUBLESHOOTING 37-40 Diagnostic Chart 37 Troubleshooting Guide 38 Troubleshooting Error Codes 39 Troubleshooting Radio Functionality 40 WIRING DIAGRAMS 41-42 Logic (Ver. 4.0) 1 Phase Wiring Diagram 41 Logic (Ver...
...INSTALLATION 16-17 Determine Mounting Location 16 Mounting 17 Install the Manual Disconnect 17 WIRING 18-19 Power and Ground 18 Control Station 19 ENTRAPMENT PROTECTION 20-22 LiftMaster Monitored Entrapment Protection (LMEP 20 Install the Photoelectric Sensors (Provided ... H, GH, J, and HJ 27 PROGRAMMING 28-35 Introduction to Order Repair Parts 36 TROUBLESHOOTING 37-40 Diagnostic Chart 37 Troubleshooting Guide 38 Troubleshooting Error Codes 39 Troubleshooting Radio Functionality 40 WIRING DIAGRAMS 41-42 Logic (Ver. 4.0) 1 Phase Wiring Diagram 41 Logic (Ver...
GT- Logic 4 Installation Manual
Page 23
...INJURY or DEATH. 7. SAVE THESE INSTRUCTIONS. NOTE: The Close Limit Switch (CLS) and Safety Limit Switch (SLS) LEDs on the logic board will ATTENTION illuminate when the switches are activated and the power is on. 5 When the retaining plate is released, verify that...: • Disconnect electric power BEFORE performing ANY adjustments or maintenance. 13 2 AVERTISSEMENT AVERTISSEMENT ADJUSTMENT 23 Adjustment - If possible, use manual release handle unless doorway is fully seated with the notches of the limit nuts. Failure to adjust the operator properly may NOT reverse ...
...INJURY or DEATH. 7. SAVE THESE INSTRUCTIONS. NOTE: The Close Limit Switch (CLS) and Safety Limit Switch (SLS) LEDs on the logic board will ATTENTION illuminate when the switches are activated and the power is on. 5 When the retaining plate is released, verify that...: • Disconnect electric power BEFORE performing ANY adjustments or maintenance. 13 2 AVERTISSEMENT AVERTISSEMENT ADJUSTMENT 23 Adjustment - If possible, use manual release handle unless doorway is fully seated with the notches of the limit nuts. Failure to adjust the operator properly may NOT reverse ...
GT- Logic 4 Installation Manual
Page 25
...systems technician. NOTE: When the power up process is applied to the operator, the following LED's will turn the selector dial to manually disconnect the door from obstruction, check photoelectric sensors. TEST 3-BUTTON CONTROL STATION 1. Press OPEN button. (The door should close direction.)...button. (The door should stop .) 3. TESTING TEST THE PHOTOELECTRIC SENSORS 1. TESWTIANRGNING WARNING CAUTION Apply power to the operator on the logic control board will be B2, D1 or E2. When power is completed (approximately 2-3 seconds) only the appropriate LED's will continue ...
...systems technician. NOTE: When the power up process is applied to the operator, the following LED's will turn the selector dial to manually disconnect the door from obstruction, check photoelectric sensors. TEST 3-BUTTON CONTROL STATION 1. Press OPEN button. (The door should close direction.)...button. (The door should stop .) 3. TESTING TEST THE PHOTOELECTRIC SENSORS 1. TESWTIANRGNING WARNING CAUTION Apply power to the operator on the logic control board will be B2, D1 or E2. When power is completed (approximately 2-3 seconds) only the appropriate LED's will continue ...
GT- Logic 4 Installation Manual
Page 33
... (refer to complete programming. 6. Close the door. 2. Press and release the TIMER button on logic board. 4. Benefit: The door opens to PROGRAM. Turn the selector dial to a midpoint between... programming the timer. PROGRAM, press and release the TIMER button, press and TO PROGRAM MANUALLY (METHOD 1): release the STOP button to desired wiring type. SELECTOR DIAL T E2 D1... (TS, T, FSTS). Press and release the STOP button to PROGRAM. 3. Once at least one LiftMaster Monitored (TS ,T or FSTS). WA W TIMER-TO-CLOSE Feature: Timer automatically closes door after 70 ...
... (refer to complete programming. 6. Close the door. 2. Press and release the TIMER button on logic board. 4. Benefit: The door opens to PROGRAM. Turn the selector dial to a midpoint between... programming the timer. PROGRAM, press and release the TIMER button, press and TO PROGRAM MANUALLY (METHOD 1): release the STOP button to desired wiring type. SELECTOR DIAL T E2 D1... (TS, T, FSTS). Press and release the STOP button to PROGRAM. 3. Once at least one LiftMaster Monitored (TS ,T or FSTS). WA W TIMER-TO-CLOSE Feature: Timer automatically closes door after 70 ...
GT- Logic 4 Installation Manual
Page 35
... desired wiring type. The Maintenance Alert System is deactivated c. Press and release the MRT button on logic board. 4. Press and hold the MRT button until the MAS led flashes rapidly. The LiftMaster Monitored Entrapment Protection (LMEP) device will flash momentarily when the factory defaults have been restored. 3. ...operator. Set the selector dial to PROGRAM. 3. SELECTOR DIAL T E2 D1 C2 B2 TS FSTS DIAG OPTN PROG Operation will still be manually learned for the MRT is set time it takes to open or close limit within the set to 90 seconds e. The Maximum Run ...
... desired wiring type. The Maintenance Alert System is deactivated c. Press and release the MRT button on logic board. 4. Press and hold the MRT button until the MAS led flashes rapidly. The LiftMaster Monitored Entrapment Protection (LMEP) device will flash momentarily when the factory defaults have been restored. 3. ...operator. Set the selector dial to PROGRAM. 3. SELECTOR DIAL T E2 D1 C2 B2 TS FSTS DIAG OPTN PROG Operation will still be manually learned for the MRT is set time it takes to open or close limit within the set to 90 seconds e. The Maximum Run ...
GT- Logic 4 Installation Manual
Page 36
... and close lights will be performed by a trained door systems technician. Manual Disconnect Check and operate. Motor bearings are available. ADVERTENCIA 2. Press and release the MAS button on the logic board. 5. Return the SELECTOR DIAL to show how many months and cycles... with Maintenance Alert System. BeAlt TTENTION Check condition and tension. Call our TOLL FREE number: 1-800-528-2806 www.liftmaster.com LIFAEDOVFEORPETREATNOCRIFAEATURE (ODOMETER/CYCLE COUNATEDR)VERTENCIA The operator is adjusted at the intervals listed in the closed position. This feature ...
... and close lights will be performed by a trained door systems technician. Manual Disconnect Check and operate. Motor bearings are available. ADVERTENCIA 2. Press and release the MAS button on the logic board. 5. Return the SELECTOR DIAL to show how many months and cycles... with Maintenance Alert System. BeAlt TTENTION Check condition and tension. Call our TOLL FREE number: 1-800-528-2806 www.liftmaster.com LIFAEDOVFEORPETREATNOCRIFAEATURE (ODOMETER/CYCLE COUNATEDR)VERTENCIA The operator is adjusted at the intervals listed in the closed position. This feature ...
GT- Logic 4 Installation Manual
Page 38
...f) Motor thermal overload tripped g) Possible accessory malfunction h) Off Board relay may need to be replaced (see wiring diagram Off Board Relays). ➤ Replace logic board. If Relay A or B lights and the door does not move, off board relay may need to reset fault. ➤ Disconnect all devices...10148; If the on . ➤ Check Interlock(s). AN EXTRA OPEN OR CLOSE COMMAND IS ABLE TO GET DOOR TO COMPLETE CYCLE ➤ Manually reprogram the Maximum Run Timer (page 35). Green POWER LED must be wired in the corresponding direction. Verify that door is not engaged. Green...
...f) Motor thermal overload tripped g) Possible accessory malfunction h) Off Board relay may need to be replaced (see wiring diagram Off Board Relays). ➤ Replace logic board. If Relay A or B lights and the door does not move, off board relay may need to reset fault. ➤ Disconnect all devices...10148; If the on . ➤ Check Interlock(s). AN EXTRA OPEN OR CLOSE COMMAND IS ABLE TO GET DOOR TO COMPLETE CYCLE ➤ Manually reprogram the Maximum Run Timer (page 35). Green POWER LED must be wired in the corresponding direction. Verify that door is not engaged. Green...
GT- Logic 4 Installation Manual
Page 39
...than one error present, but only the highest priority will be connected to function normally for any faults (i.e., Bad Limit switch), manually learn Max Run Timer (page 35) OR reset factory defaults (page 35). There may be recognized as enough power is ... before reaching set open or close ) Cleared when safety device is not needed. TROUBLESHOOTING ERROR CODES Logic 4.0 operators incorporate a self diagnostic feature built into option card receptacles LiftMaster Monitored Entrapment Protection (LMEP) device faulted or removed for list of Motor movement at a time.
...than one error present, but only the highest priority will be connected to function normally for any faults (i.e., Bad Limit switch), manually learn Max Run Timer (page 35) OR reset factory defaults (page 35). There may be recognized as enough power is ... before reaching set open or close ) Cleared when safety device is not needed. TROUBLESHOOTING ERROR CODES Logic 4.0 operators incorporate a self diagnostic feature built into option card receptacles LiftMaster Monitored Entrapment Protection (LMEP) device faulted or removed for list of Motor movement at a time.
GT- Logic 4 User Manual
Page 5
... the open or mid stop the timer. (TIMER SET LED will vary depending on the logic board. Entrapment Protection (LMEP) device installed (refer to clear the timer, press and release... the 1. AVERTISSEMENT PROGRAM, press and release the TIMER button, press and AVE TO PROGRAM MANUALLY (METHOD 1): release the STOP button to page 20). Turn selector dial to PROGRAM. 3....2. BASIC PROGRAMMING WARNING W To prevent possible SEVERE INJURY or DEATH: CAUTION • Install a LiftMaster Monitored Entrapment Protection (LMEP) • Activate door ONLY when it can be activated by the ...
... the open or mid stop the timer. (TIMER SET LED will vary depending on the logic board. Entrapment Protection (LMEP) device installed (refer to clear the timer, press and release... the 1. AVERTISSEMENT PROGRAM, press and release the TIMER button, press and AVE TO PROGRAM MANUALLY (METHOD 1): release the STOP button to page 20). Turn selector dial to PROGRAM. 3....2. BASIC PROGRAMMING WARNING W To prevent possible SEVERE INJURY or DEATH: CAUTION • Install a LiftMaster Monitored Entrapment Protection (LMEP) • Activate door ONLY when it can be activated by the ...
GT- Logic 4 User Manual
Page 8
... the CLOSE button. (The door should close.) 4. Allow the door to the operator. The LMEP LED will not provide AVERTISSEMENT this manual. • Be sure the owner or person(s) responsible for operation of the photoelectric sensors. TEST 3-BUTTON CONTROL STATION 1. Press and hold.... 2. TEST THE PHOTOELECTRIC SENSORS 1. PPreRssEandChoAldUtheCCLIOÓSENbutton. IMPORTANT NOTES: • Do not leave power to the operator on the logic board and the receiving eye LED will reverse to the operator, the following LED's will go out. NOTE: When the power up...
... the CLOSE button. (The door should close.) 4. Allow the door to the operator. The LMEP LED will not provide AVERTISSEMENT this manual. • Be sure the owner or person(s) responsible for operation of the photoelectric sensors. TEST 3-BUTTON CONTROL STATION 1. Press and hold.... 2. TEST THE PHOTOELECTRIC SENSORS 1. PPreRssEandChoAldUtheCCLIOÓSENbutton. IMPORTANT NOTES: • Do not leave power to the operator on the logic board and the receiving eye LED will reverse to the operator, the following LED's will go out. NOTE: When the power up...
GH LOGIC VERSION 2 Manual
Page 1
An LED on the 3-button station will signal when the set an internal Maintenance Cycle Counter. OWNER'S MANUAL MODEL GH LOGIC CONTROL (VER. 2.0) INDUSTRIAL DUTY DOOR OPERATOR LOGIC LCONTROL FACTORY SET C2 Wiring See pages 14 and 15 for other wiring configurations PATENT PENDING The Maintenance Alert System TM allows the installer to set number of cycles is reached or when the opener requires immediate service. 2 YEAR WARRANTY Serial # (located on electrical box cover) Installation Date Wiring Type NOT FOR RESIDENTIAL USE 41B6 LISTED DOOR OPERATOR
An LED on the 3-button station will signal when the set an internal Maintenance Cycle Counter. OWNER'S MANUAL MODEL GH LOGIC CONTROL (VER. 2.0) INDUSTRIAL DUTY DOOR OPERATOR LOGIC LCONTROL FACTORY SET C2 Wiring See pages 14 and 15 for other wiring configurations PATENT PENDING The Maintenance Alert System TM allows the installer to set number of cycles is reached or when the opener requires immediate service. 2 YEAR WARRANTY Serial # (located on electrical box cover) Installation Date Wiring Type NOT FOR RESIDENTIAL USE 41B6 LISTED DOOR OPERATOR
GH LOGIC VERSION 2 Manual
Page 11
LOGIC CONTROL (VER. 2.0) 1 PHASE WIRING DIAGRAM 1837-1 230 VOLT MOTOR CONNECTION NOTE: Contactor 1 PH / 3 PH jumper should be in 1 PH position. 115 VOLT MOTOR CONNECTION Note: 1) See Ownerʼs Manual for Dip Switch Functions and Programming Procedures 2) TO REVERSE MOTOR DIRECTION 115 VOLTS: ALWAYS EXCHANGE PURPLE & GRAY ALL VOLTS & PHASES. 230 VOLTS: INTERCHANGE PURPLE (E10) & GRAY (E15) WIRES AT LOGIC BOARD. * - Transformer Primary Voltage same as Line Voltage.. 11 BLUE WIRE MUST BE INSULATED ON 230V 1PH. **-
LOGIC CONTROL (VER. 2.0) 1 PHASE WIRING DIAGRAM 1837-1 230 VOLT MOTOR CONNECTION NOTE: Contactor 1 PH / 3 PH jumper should be in 1 PH position. 115 VOLT MOTOR CONNECTION Note: 1) See Ownerʼs Manual for Dip Switch Functions and Programming Procedures 2) TO REVERSE MOTOR DIRECTION 115 VOLTS: ALWAYS EXCHANGE PURPLE & GRAY ALL VOLTS & PHASES. 230 VOLTS: INTERCHANGE PURPLE (E10) & GRAY (E15) WIRES AT LOGIC BOARD. * - Transformer Primary Voltage same as Line Voltage.. 11 BLUE WIRE MUST BE INSULATED ON 230V 1PH. **-
GH LOGIC VERSION 2 Manual
Page 12
Transformer Primary Voltage same as Line Voltage. 12 LOGIC CONTROL (VER. 2.0) 3 PHASE WIRING DIAGRAM 1837-3 380/460 VOLT MOTOR CONNECTION NOTE: Contactor 1 PH / 3 PH jumper should be in 3 PH position. 230 VOLT MOTOR CONNECTION Notes: 1) See Ownerʼs Manual for Dip Switch Functions and Programming Procedures 2) TO REVERSE MOTOR DIRECTION: INTERCHANGE ANY 2 OF THE 3 POWER WIRES AT L1, L2 & L3, OR EXCHANGE PURPLE & GRAY MOTOR LEADS AT BOARD CONNECTIONS E17 & E6 (3PH UNITS ONLY). **-
Transformer Primary Voltage same as Line Voltage. 12 LOGIC CONTROL (VER. 2.0) 3 PHASE WIRING DIAGRAM 1837-3 380/460 VOLT MOTOR CONNECTION NOTE: Contactor 1 PH / 3 PH jumper should be in 3 PH position. 230 VOLT MOTOR CONNECTION Notes: 1) See Ownerʼs Manual for Dip Switch Functions and Programming Procedures 2) TO REVERSE MOTOR DIRECTION: INTERCHANGE ANY 2 OF THE 3 POWER WIRES AT L1, L2 & L3, OR EXCHANGE PURPLE & GRAY MOTOR LEADS AT BOARD CONNECTIONS E17 & E6 (3PH UNITS ONLY). **-
GH LOGIC VERSION 2 Manual
Page 13
Transformer Primary Voltage same as Line Voltage. 13 LOGIC CONTROL (VER. 2.0) 1 PH WIRING DIAGRAM W/ CONTACTOR1842-1 NOTE: Contactor 1 PH / 3 PH jumper should be in 1 PH position. 115 VOLT MOTOR CONNECTION Note: 1) See Ownerʼs Manual for Dip Switch Functions and Programming Procedures 2) TO REVERSE MOTOR DIRECTION 115 & 230 VOLTS: INTERCHANGE PURPLE & GRAY WIRES AT CONTACTOR. **-
Transformer Primary Voltage same as Line Voltage. 13 LOGIC CONTROL (VER. 2.0) 1 PH WIRING DIAGRAM W/ CONTACTOR1842-1 NOTE: Contactor 1 PH / 3 PH jumper should be in 1 PH position. 115 VOLT MOTOR CONNECTION Note: 1) See Ownerʼs Manual for Dip Switch Functions and Programming Procedures 2) TO REVERSE MOTOR DIRECTION 115 & 230 VOLTS: INTERCHANGE PURPLE & GRAY WIRES AT CONTACTOR. **-
GH LOGIC 3 Manual
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L 3 ogic OWNER'S MANUAL GH INDUSTRIAL DUTY COMMERCIAL DOOR OPERATOR This Operator Features the Enhanced INTENAN MA E M E C AL E PATENT PENDING R T T SYS The Maintenance Alert System™ allows the installer to ... WARRANTY Radio Receiver Built on the 3-button station will signal when the set an internal Maintenance Cycle Counter. INTENDED FOR PROFESSIONAL INSTALLATION ONLY Visit www.LiftMaster.com to set number of cycles/ months is reached or when the operator requires immediate service. An LED on Board 315MHz NOT FOR RESIDENTIAL USE...
L 3 ogic OWNER'S MANUAL GH INDUSTRIAL DUTY COMMERCIAL DOOR OPERATOR This Operator Features the Enhanced INTENAN MA E M E C AL E PATENT PENDING R T T SYS The Maintenance Alert System™ allows the installer to ... WARRANTY Radio Receiver Built on the 3-button station will signal when the set an internal Maintenance Cycle Counter. INTENDED FOR PROFESSIONAL INSTALLATION ONLY Visit www.LiftMaster.com to set number of cycles/ months is reached or when the operator requires immediate service. An LED on Board 315MHz NOT FOR RESIDENTIAL USE...
GH LOGIC 3 Manual
Page 2
...Specifications 4 PREPARATION Hand Chain Right/Left Conversion 5 Disconnect Lever Right/Left Conversion 5 Horizontal Mounting Conversion 5 INSTALLATION Mount the Operator 6 Manual Operation 7 Entrapment Protection Accessories 8 ADJUSTMENT Limit Switch Adjustment 8 Adjust Torque Limiter Clutch 9 Brake Adjustment 9 POWER & GROUND WIRING ... Standard Power & Control Connection Diagrams 12 1 Phase Wiring Diagram 13 3 Phase Wiring Diagram 14 Logic Board 15 PROGRAMMING Logic Control Pushbuttons 16 Determine and Set Wiring Type 16 Failsafe Wiring Types 17 Self-Monitoring Safety Device...
...Specifications 4 PREPARATION Hand Chain Right/Left Conversion 5 Disconnect Lever Right/Left Conversion 5 Horizontal Mounting Conversion 5 INSTALLATION Mount the Operator 6 Manual Operation 7 Entrapment Protection Accessories 8 ADJUSTMENT Limit Switch Adjustment 8 Adjust Torque Limiter Clutch 9 Brake Adjustment 9 POWER & GROUND WIRING ... Standard Power & Control Connection Diagrams 12 1 Phase Wiring Diagram 13 3 Phase Wiring Diagram 14 Logic Board 15 PROGRAMMING Logic Control Pushbuttons 16 Determine and Set Wiring Type 16 Failsafe Wiring Types 17 Self-Monitoring Safety Device...
GH LOGIC 3 Manual
Page 11
...AC TIMER DEFEAT 12 TIMER DEFEAT AVECRMN T1I1SCSOMEMMON ENT MAS 10 MAINTENANCE ALERT SYSTEM ATTENTION EYES 9 PHOTO EYES (LiftMaster Only) EDGE 8 REVERSE OPEN 7 OPEN CLOSE 6 CLOSE STOP 5 STOP CMN 4 COMMON 3 INTERLOCK 2...Optional Controls Maintenance Alert SystemTM If light is Flashing Rapidly, it is not available on the logic board as the functional position of Open, Close and Stop buttons without moving the door.... (SLS) only to either side of the door. • Or ANY other control (automatic or manual) is used . • The 3-button control station is used . Connect control wires to the ...
...AC TIMER DEFEAT 12 TIMER DEFEAT AVECRMN T1I1SCSOMEMMON ENT MAS 10 MAINTENANCE ALERT SYSTEM ATTENTION EYES 9 PHOTO EYES (LiftMaster Only) EDGE 8 REVERSE OPEN 7 OPEN CLOSE 6 CLOSE STOP 5 STOP CMN 4 COMMON 3 INTERLOCK 2...Optional Controls Maintenance Alert SystemTM If light is Flashing Rapidly, it is not available on the logic board as the functional position of Open, Close and Stop buttons without moving the door.... (SLS) only to either side of the door. • Or ANY other control (automatic or manual) is used . • The 3-button control station is used . Connect control wires to the ...
GH LOGIC 3 Manual
Page 18
... 1. Tested to Comply with Timer to Close start /refresh. The LED will then remain on the logic board until the RADIO LED flashes rapidly (approximately 5 seconds). Repeat to CLOSE/STOP on the logic board (LED will light). 2. In C2 mode, operation is enabled, SBC will be open only ...or Industry Canada (IC) rules, adjustment or modifications of the door. • Or ANY other control (automatic or manual) is OPEN/STOP/CLOSE/REVERSE/STOP. This function will then remain on the logic board (LED will light). 2. Press and release the SBC externally wired button or TIMER on the...
... 1. Tested to Comply with Timer to Close start /refresh. The LED will then remain on the logic board until the RADIO LED flashes rapidly (approximately 5 seconds). Repeat to CLOSE/STOP on the logic board (LED will light). 2. In C2 mode, operation is enabled, SBC will be open only ...or Industry Canada (IC) rules, adjustment or modifications of the door. • Or ANY other control (automatic or manual) is OPEN/STOP/CLOSE/REVERSE/STOP. This function will then remain on the logic board (LED will light). 2. Press and release the SBC externally wired button or TIMER on the...
GH Logic 4 Quick Start Guide Manual
Page 1
... 1b Bracket Shelf Mounted Operator OPTIONAL Mounting Bracket P/N 08-9098 Optimum Distance 12" - 15" Optimum Distance 12" - 15" LOGIC 4 Manual Operation This operator has provisions for its intended use. Connect the power to highlight a typical installation. Make sure the limit nuts are...close to the shaft. These instructions are aligned. Please consult the manual and/or a qualified technician for the model GH door operator IMPORTANT: This QuickStart is used. Electrical Interlock with a manual hoist. The disconnect chain may be released from the chain keeper before...
... 1b Bracket Shelf Mounted Operator OPTIONAL Mounting Bracket P/N 08-9098 Optimum Distance 12" - 15" Optimum Distance 12" - 15" LOGIC 4 Manual Operation This operator has provisions for its intended use. Connect the power to highlight a typical installation. Make sure the limit nuts are...close to the shaft. These instructions are aligned. Please consult the manual and/or a qualified technician for the model GH door operator IMPORTANT: This QuickStart is used. Electrical Interlock with a manual hoist. The disconnect chain may be released from the chain keeper before...