ZPA Pečky 52 325 Mounting Instructions Download Page 19 | Manualshive

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Wiring diagrams of MODACT MOKA electric actuators

Design with potentiometer or without transmitter

Design with active current position transmitter (with power source)

Control circuits
cable input

Electric motor
cable input

Design with pasive current position transmitter

Control circuits
cable input

Electric motor
cable input

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Summary of Contents for 52 325

Page 1: ...MOUNTING INSTRUCTIONS 12 15 Electric rotary 90 actuators for ball valves and flaps outside containment of nuclear power plants with reactors VVER and RBMK Type numbers 52 325 52 329...

Page 2: ...3...

Page 3: ...nce against seismic effects Resistance against vibrations The actuators correspond to the I category of seismic resistance according to NP 031 01 and maintain their operating ability during as well as...

Page 4: ...s that prevents normal function changed shape and dimensions of parts power kinematic circuits and control units as a result of wear or deformation preventing normal function elapsed specified period...

Page 5: ...rminal board On agreement with the client the end limit and position micro switches can have a single change over con tact and the moment switches a single opening contact The end limit position and m...

Page 6: ...nables connection of one wire of cross section 2 5 mm2 or two wires of cross section up to 1 mm2 The actuators are fitted with two cable bushings providing for connection of in actuators MOKA 63 one c...

Page 7: ...ximum value Time of turning by 90 10 to 15 of rated value idle run For NPP Kudankulam Time of turning 10 at rated supply voltage Hysteresis of end limit and position switches max 4 Setting of working...

Page 8: ...CLOSED and OPEN end positions of the valves having no trip dogs of their own The screw stops are mounted on the outside of the actuator along with the external protective terminal When viewing the st...

Page 9: ...n a point for the required switching torque with which the arrowhead on the cam should tally Retighten the cam releasing screw For manipulation of the releasing screws of the torque limit switches the...

Page 10: ...him plates to secure the transmitter against spontaneousturning 2 Shift the output shaft to the position Open and set 20 mA using a potentiometer on the transmitter body The potentiometer has a range...

Page 11: ...overwritten and therefore it must be repeated Parameter setting ACTUATOR ASSEMBLY AND PUTTING INTO OPERATION After unpacking the actuator this should be inspected for possible visible signs of damage...

Page 12: ...ut and where it is operated Assembly and control of the actuators can only be carried out by a specially trained technician acquainted with the technical description and instructions for using the act...

Page 13: ...e operating transportation and storage conditions specified in TP The guarantee period for the actuators is min 36 months from the date of issuing the acknowledgement of delive ry or from the date of...

Page 14: ...K 7060 4AB 0 120 0 42 1350 54 0 75 2 8 1300 1000 xx5xA 160 14790 43 3 ELECTRIC ACTUATOR Type Tripping torque Shifting time Gear ratio Max force on hand wheel 1 Way of connection Weight Start up to nom...

Page 15: ...F05 keyway xxx2A 14 basic xxx3A 52326 F07 17 positioned at a 45 xxx4A 14 xxx5A F05 16 basic xxx6A positioned at a 45 xxx7A F07 19 basic xxx8A positioned at a 45 xxx9A F10 keyway xxx0A 22 basic xxx1A F...

Page 16: ...mm MOKA 125 250 2x M25x1 5 13 18 mm MOKA 500 1000 1x M25x1 5 13 18 mm 1x M32x1 5 13 20 mm Local control Typ A B C D E F G H J K L MOKA 63 173 203 247 244 213 245 160 98 72 MOKA 125 204 237 325 347 25...

Page 17: ...7 The groove is in the CLOSE position whereas the OPEN position is on the left side when viewing the local position indicator F04 65 30 42 M6 18 12 26 6 20 5 25 F05 35 50 22 30 24 5 28 F07 90 55 70 M8...

Page 18: ...27 36 2 37 1 32 42 2 44 1 close B open Connection dimensions of MODACT MOKA actuators for valves and control devices with spindles that are provided with a square hole A Square end joint in the basic...

Page 19: ...potentiometer or without transmitter Design with active current position transmitter with power source Control circuits cable input Electric motor cable input Design with pasive current position tran...

Page 20: ...e brought out in the wiring diagrams they are marked U1 U2 V1 V2 W1 W2 The connection star or delta can be used for external connection The electric motor in this actuator has star connection which me...

Page 21: ...NOTES...

Page 22: ...NOTES...

Page 23: ...ZPA Pe ky a s t 5 kv tna 166 289 11 PE KY Czech Republic www zpa pecky cz tel 420 321 785 141 9 fax 420 321 785 165 420 321 785 167 e mail zpa zpa pecky cz...

Page 24: ...rn actuators MODACT MO EEx MOED EEx Explosion proof electric multi turn actuators MODACT MOA Electric multi turn actuators for nuclear power stations application outside containment MODACT MOA OC Elec...

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