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TorqPlus EM-Series Actuator Installation and Operating Instructions

1. torque test during worst case conditions Verify coupler bracket is properly installed and is not causing any binding Verify both the CCW and CW field connections are not receiving power at the same time Verify the limit cams are set properly and not allowing the actuator to travel outside its quadrant or against stops Verify if installed that the electronic brake is operating properly and is not locking up the motor rotor Verify no corrosion has contaminated any of the electrical or mechanical devices on the actuator Any sign of corrosion potentially reduces the capability of the actuator VYY VV Problem Actuator runs erratically sporadically gt Check ambient temperature Standard actuators have a maximum ambient operating temperature rating of 140 F Any temperatures above this rating may cause the actuator to fail Verify that the published duty cycle has not been exceeded Verify that the actuator is not wired in parallel to other actuators All actuators must have their own isolated control switch gt Inspect the manual override and disengagement mechanism gt Gear train may be damaged due to overtorque gt Verify proper signals are being supplied to the actuator Note All AC voltage Bettis TorqPlus EM series actuators are standard with built in thermal overload motor protectors Should any of the above cause the protector to open it will automatically reset when the motor temperature is lowered to a safe l
2. Actuator Models All TorqPlus EM Series Actuator Installation and Operating Instructions BETTIS Actuators amp Controls Bulletin 21077 06 00 This bulletin provides installation and operating information for the Bettis TorqPlus EM Series Actuator Should you have any questions about the controller that are not covered under this bulletin please contact an authorized Bettis Valve Automation Center or Bettis Electric Division Mansfield Ohio U S A 1 0 2 0 3 0 4 0 5 0 Caution Electrical shock and or explosion hazard To avoid serious personal injury death or property damage due to electrical shock and or ignition of hazardous atmospheres turn off all power to the actuator before remov ing the actuator cover Inspection Because many models look alike verify the actuator s nameplate to insure correct model number torque operating speed voltage and enclosure type before installation or use Storage The actuator must be stored in a clean dry temperature controlled area The unit shall be stored with the cover installed and with the conduit openings sealed Storage must be off the floor covered with an unsealed dust protector that will allow side and bottom ventilation Care must be taken to guard the actuator from condensation in extreme temperature variations If no other means are available internal heaters are recommended Maintenance Each Bettis electric actuator is a totally enclosed unit with a permanen
3. allation and Operating Instructions Wiring Instructions CAUTION Electrical operation of each actuator must be through an individual single pole switch to isolate the unused motor winding Parallel power circuits may create noise in the line and cause the actuators to operate sporadically gt Each actuator is provided with the latest revision wiring diagram Should the actuator come without the wiring diagram please contact your local distributor or supplier gt Each actuator is equipped with a terminal strip to which all field connections should be made Route all wiring through the actuator s conduit connections and wire to the provided wiring diagram All wiring conduit connections and materials should be made in accordance with local and national codes Securely tighten all screws and check all other connections VV Cover Replacement Visually inspect actuator to insure that the output shaft seal and the o ring seal is in place and undamaged Carefully replace the cover on the actuator Install the cover screws and tighten evenly Replace the declutching indicator knob being sure that the set screw is located against flat on the center shaft Note This step is not required on the 100 and 800 series YVVYVY Cam Adjustment reference photo below Torque Switches All 800 series actuators are equipped with two torque limiting switches These switches are factory pre set for the rated torque of the actuator and are not fiel
4. d adjustable Should these switches ever be tripped it is to safeguard the driven device and the actuator from damage In cases where the torque cam has tripped it Cam Setting For All Actuators Travel Limit Switches Each actuator is supplied with two travel limit switches operated by an individual cam One cam switch con trols the actuator s CW rotation while the other controls the CCW rotation To adjust the limit setting for either extreme perform the following steps gt Remove cover from actuator per section 7 0 Caution Some of the following steps will be performed with the actuator energized Remove all tools equipment and body parts while the actuator is energized gt Determine which cam switch is controlling the CW and CCW direction by reviewing the wiring diagram supplied with the actuator Note Standard industry installation uses limit switch cam 1 bottom for the CCW direction and limit switch cam 2 2nd from bottom for the CW direction Determine which cam requires adjustment and energize the actuator until the cam set screw is accessible Remove power and loosen the set screw using a 3 32 allen wrench Re energize the actuator position it to the proper position VYY 11 0 12 0 TorqPlus EM Series Actuator Installation and Operating Instructions Remove power and rotate the proper cam to the position which toggles the limit switch Tighten the set screw on the cam Operate the actuator to verify pr
5. e to transition the end device the actuator must either be removed or electrically operated 300 and 500 Series reference photo next page CAUTION Do not apply more torque to the manual override shaft than the actuator is rated for Cover should always be installed when manually overriding the actuator gt Pull declutching position indicator knob up and hold gt Engage wrench on exposed shaft drive flats and move back and forth to disengage output shaft from drive train gt After disengagement rotate in desired direction Avoid rotation beyond the driven device s operating quadrant 6 0 7 0 TorqPlus EM Series Actuator gt Installation and Operating Instructions Once manual rotation is complete remove the wrench and release the knob Note The knob will remain up until the actuator is electrically operated and the engagement slots on the output shaft align themselves with the engagement slots on the output gear Maximum time for re engagement should be no greater than 45 seconds Never pound on the center shaft Manual Declutch On 300 and 500 Series 800 Series CAUTION Do not apply more than the maximum rim pull rating of the handwheel Rim pull should be no greater than 5 pounds for a 2 000 inelb actuator 12 5 pounds for a 5 000 inelb actuator and 25 pounds for a 10 000 inelb actuator gt Turn handwheel in the direction desired as marked on the handwheel Avoid rotating beyond the driven device s operat
6. evel Please consult the Bettis authorized Valve Automation Center or Bettis Electric Division Mansfield Ohio gt gt Spare Parts and Product Information Each Bettis TorqPlus actuator is manufactured complete with a nameplate containing important and detailed information This information will be needed anytime parts or additional data is requested Please keep a file on with all nameplate information for reference when calling the factory
7. ing quadrant Actuator Attachment gt Manually operate the driven device several times to insure smooth trouble free operation and place in the full CCW position as viewed from above gt It is highly recommended that each driven device be torque tested in its worst case condition to verify proper sizing of the actuator gt If the driven device is equipped with mechanical stops verify the travel limit cams toggle short of the mechanical stop s contact points gt Unless specially ordered the actuator is shipped in the fully CCW position gt Carefully follow all instructions supplied with the device and or the interconnecting hardware When mounting is complete all connections should be tight but not binding It is also recommended to declutch and manually operate the actuator during the mounting process to ease installation and eliminate binding Cover Removal gt gt gt Shut of all power to the actuator Loosen the socket set screw in the position indicator and remove the declutching indicator knob from the top of the unit Note This step is not required on the 100 and 800 series Remove all the cover attachment screws located around the flange and carefully lift the cover up and off Note If manual operation is required with the cover removed it is imperative that the declutching indicator knob replaced on the output shaft after the cover has been removed 8 0 9 0 10 0 TorqPlus EM Series Actuator Inst
8. oper cam setting Once adjustments are satisfactory replace cover per section 9 0 YVVVY Troubleshooting The following instructions are offered as a guide to the most common difficulties encountered during installa tion and startup The actuator is receiving power but the motor does not respond gt Verify the line voltage into the actuator via the field connections and insure that it matches the rating on the nameplate of the actuator Check internal actuator wiring against the wiring diagram supplied with the actuator Check the limit switch cams to insure that they are properly set and depressing the appropriate limit switches On 800 series only verify the torque switches are not tripped Perform a visual inspection to verify no shipping or handling damage has occurred Verify no corrosion has contaminated any of the electrical or mechanical devices on the actuator gt gt VYY Problem Actuator is receiving power but does not operate Motor hums and is warm to the touch gt Verify the line voltage into the actuator via the field connections and insure that it matches the rating on the nameplate of the actuator gt Check torque requirement of driven device to insure that it is less than that shown on the actuator s name plate Note In some cases we have noted that the actual torque needed to operate an end device has been over two times that published by the manufacturer It may be necessary to perform an actual
9. tly lubricated gear train Once installed formal maintenance should not be required However periodic preventative maintenance will extend the oper ating life of the actuator PM checks include Insure that alignment relative to the load on the actuator is proper Mis alignment is a major cause of premature actuator failure Insure all wiring is insulated connected and terminated properly Insure all screws are present and tight including set screws for the cams Insure cleanliness of the internal electrical devices Insure conduit connections are installed properly and are dry No signs of condensation or water infiltration should be present inside the conduit or conduit ports on the actuator Check internal devices for condensation or corrosion Upon installation of cover insure proper seal and verify that o ring is not pinched between the flange Verify declutch mechanism and manual override operates properly Inspect label to verify model number serial number and electrical ratings are readable Verify actuator is operating in the proper quadrant During operation perform a visual inspection during an open and close cycle Also listen for any abnormal noises or sounds Under normal conditions this inspection is recommended at six month intervals But where conditions are more severe more frequent inspection may be advisable y YVVVY VVVVYVY Manual Operation 100 Series The 100 series has no manual override Therefor

TorqPlus EM-Series Actuator Installation and Operating Instructions

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