Summary of Contents for Cookson MGRL Series
- Page 1 INSTALLATION INSTRUCTIONS OPERATION MANUAL Cookson MG Operator MGRL / MGHL Series (with internal lock sensor feature) 04/08...
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Page 2: Important Installation Instructions
IMPORTANT INSTALLATION INSTRUCTIONS WARNING - To reduce the risk of severe injury or death: 1. READ AND FOLLOW ALL INSTALLATION INSTRUCTIONS. 2. Install only on a properly operating and balanced door. A door that is operating improperly could cause severe injury. Have qualified service personnel make repairs to cables, spring assemblies, and other hardware before installing the operator. -
Page 3: Specifications
SPECIFICATIONS MOTOR Type: ……………………… Restricted cycle duty (25 cycles per day) Horsepower: ……………… 1/3hp, 1/2 hp Speed: …………………….. 1700 RPM Voltage: …………………… 115, 230 – 1 phase 208/230, 460 – 3 phase 230 volt 3 phase motor is suitable for use with 208 volts Current: ………………….. -
Page 4: Installation Positions
INSTALLATION INSTRUCTIONS INSTALLATION POSITIONS Illustration only. Consult factory for changes in installation positions. NOTE: Any change in mounting position may result in change of operator rotation and consequently in change of control functions (i.e. lock sensor). Consult factory for any changes. -
Page 5: Operator Mounting
OPERATOR MOUNTING 1. Before the operator is installed, verify that the door is properly operating and balanced. 2. Make sure the dimensions of mounting holes on the bracket are correct. 3. Attach and tighten the three legs (2) to the mounting plate. 4. - Page 6 6. When the operator is mounted on the bracket, be sure the door driven sprocket is properly aligned with the operator drive sprocket before securing to the shaft. The clearance (B) must be the same as the height (A). 7. The shelf or bracket must provide adequate support for the operator. Prevent play between operator and door shaft.
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Page 7: Drive Chain Adjustment
DRIVE CHAIN ADJUSTMENT NOTE: Use correct type, size and proper length of roller chain. 1. Adjust the drive chain by tilting the operator so that there is about 1/4” of slack when the chain is depressed. Note: The set screw included in the operator may be used for adjustment (S1 location). 2. -
Page 8: Manual Release
MANUAL RELEASE Cut and adjust cable length. EMERGENCY HAND CHAIN ADJUSTMENT (OPTIONAL on MGRL Series) Cut and reconnect chain with different color link provided. WARNING: When using hand chain, a dis/engagement cable is not required and should not be used. Use cable only on operators without an auxiliary hand chain (MGRL) or when a pull handle egress device is used in conjunction with an auxiliary hand chain on the MGHL. -
Page 9: Limit Switch Adjustment
LIMIT SWITCH ADJUSTMENT Make sure the limit cams are positioned between the limit switch actuators before proceeding with adjustments. 1. Open / Remove the control panel cover. 2. Open or close door to determine the moving direction of the limit switch cams. 3. - Page 10 INTERNAL LOCK SENSOR NOTE: All units are adjusted to the most sensitive level ex-factory. A RED paint seal is applied on the hex nut and the shaft. Once the seal has been broken, interlock sensitivity has been changed. Door and /or door lock may be damaged. To adjust sensitivity of lock sensor.
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Page 11: Wiring Instructions
WIRING INSTRUCTIONS WARNING Disconnect power at the fuse box and the operator before proceeding with any wiring. 1. Do not install any wiring or attempt to run this operator without checking the wiring diagram located on the inside of the control box cover. 2. -
Page 12: Control Wiring
CONTROL WIRING WARNING Disconnect power at the fuse box before proceeding with any wiring. 1. Locate the control station where the user can clearly see the operation of the door. Mount the enclosed placard adjacent to the 3-button control station. If the door is not visible from the control station, or if any device other WARNING than the control station is used to activate the door, a sensing edge must... - Page 13 MGRL/MGHL SERIES 04/08...
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- Page 21 Reference MG series terminal connections Control Station Sensing-edge (S.E.) Closing door moving External Interlock warning signal 24VAC Stop Down Common Add jumper for Jump when no external momentary pressure interlock is connected. close Control panel is wired with momentary pressure open and constant pressure close. By jumping terminal 4 & 4A, the push button will be momentary pressure open and close.
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Page 22: Important Safety Instructions
IMPORTANT SAFETY INSTRUCTIONS WARNING – To reduce the risk of severe injury or death: 1. READ AND FOLLOW ALL INSTRUCTIONS. 2. Never let children operate or play with door controls. Keep the remote control (where provided) away from children. 3. Personnel should keep away from a door in motion and keep the moving door in sight until it is completely closed or opened. -
Page 23: Emergency Manual Operation
OPERATING INSTRUCTIONS 1. If a 3-button control station is used to operate the door, push the “OPEN” button to open the door, push the “CLOSE” button to close the door, push the “STOP” button to stop movement of the door while opening or closing. Removing pressure from the “CLOSE” button will cause the door to stop. -
Page 24: Maintenance Instructions
Turn off power to the operator before manually operating the door. WARNING Hand Chain must be kept inside plastic bag when operating electrically. WARNING MAINTENANCE INSTRUCTIONS The brake is a self-adjusting brake. It is maintenance free. The brake assembly requires no additional adjustments for its lifetime. - Page 25 Covered under US Pat. #6,900,602, #7,055,283, #7,341,129 and additional patents pending MGRL/MGHL SERIES 04/08...