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Document No：KE-4032-02

Operation Manual

KITZ ESR Series Spring Return Type Electric Actuators

for KITZ Compact Ball Valves

Thank you for having chosen KITZ products.

For safe and trouble-free use of the product, ensure to carefully

read every instruction provided in this manual beforehand. Keep

this manual in a convenient place for easy access of all valve

operating personnel.

Содержание ESR Series

Страница 1: ...uators for KITZ Compact Ball Valves Thank you for having chosen KITZ products For safe and trouble free use of the product ensure to carefully read every instruction provided in this manual beforehand Keep this manual in a convenient place for easy access of all valve operating personnel ...

Страница 2: ...ature electric shock fracture of bones intoxication etc that have aftereffects And those requiring hospitalization and or long term hospital visit for treatment Minor injury Injuries not requiring hospitalization and or long term hospital visit Physical damage Enlargement loss etc related to houses household articles live stocks and pets Moreover the types of precautions we ask you to observe are ...

Страница 3: ...ion or the distributors in their locations Numerical limits and procedures of operation maintenance and inspection provided in this manual are specified in consideration of safe and trouble free operation of the product It is forbidden to use the product in any condition that may exceed such numerical limits or conflict with such procedures Drawings tables photographs and illustrations of the prod...

Страница 4: ...ng and Storage 6 2 1 Cautions for Handling and Storage 6 3 Piping Installation 7 3 1 Recommended Service Environments 7 3 2 Cautions for Piping Installation 8 3 3 Cautions for Electric Wiring 10 4 Operation 12 4 1 Manual Operation 12 4 2 Electric Operation 13 4 3 Operational Precautions 14 5 Maintenance Inspection 16 5 1 Dismantling and Reinstallation 16 5 2 Trouble Shooting 18 6 Others 19 6 1 Pro...

Страница 5: ... too fast unlike solenoid valves there are no problems of water hammers even if the fluid is liquid Manual operation It is easy to operate manually Manual lock mechanism Since it is equipped with the manual lock mechanism it is possible to hold the valve in the open status even if the power supply is turned off 1 2 Product Coding Application ON OFF control for cold and hot water Product coding ESR...

Страница 6: ...s and Dimensions ESR100 1 ESR200 1 Fig 1 1 4 Actuator valve Assembly Fig 2 Actuator ESR Cord Name plate Gasket Insulator Valve body Hexagon bolt with spring washer Motor Cover Gear Box Gear Base plate Housing Shaft Coil spring Manual lever Cord Rubber bush ...

Страница 7: ...elease line fluid from the piping Otherwise residual pressure and line fluid will dangerously extrude from valve bores Factory assembled actuated valves are adequately adjusted for satisfactory function and performance Do not disassemble them for any reason unless approved in advance by KITZ Corporation as it may cause valve malfunction valve seat leakage and other technical problems This manual c...

Страница 8: ...c AC1800V Insulation resistance Minimum 100MΩ DC 500V Service environment Indoor type Ambient temperature 10 50 Mounting orientation Vertical to horizontal no downwards Power cable cable connection Vinyl cabtyre cord 0 75 mm2 length 3000 mm Lubrication Grease Painting color Black housing with light blue cover Maximum voltage variation 10 It cannot be used outdoor in locations subject to water spla...

Страница 9: ...contact with the stopper inside the actuator and stops at the full open position At this point the motor stops and maintains the spring s reaction force Fig 4 Closing operation fully open fully closed If you turn off the motor power supply the output shaft rotates to the closing direction by the reaction force of the spring When the Actuator shaft rotates to the closing direction by 90 it comes in...

Страница 10: ...ction Fig 7 Overloading the product must be prevented Do not place any heavy object on the product Do not step on the product Do not store the product in the place subject to rain or high humidity Poor storage environment will cause product malfunction such as corrosion inside the product Do not disassemble the product to avoid malfunction or damage of the product The product is carefully packed t...

Страница 11: ...e measures to insulate the vibration Do not install the product where it is directly exposed to the sunlight Otherwise take appropriate protective measures such as installation of a cover or a shelter Raising the temperature of the product may cause malfunction and affect service life of the product Protect the product appropriately in environments where salty water snow or freeze may affect funct...

Страница 12: ...l force to a valve counterclockwise during mounting on piping It may loosen the body cap joint of the valve and cause external fluid leakage Do not mount an actuated valve facing downward to the ground to prevent possible water intrusion into the actuator interior Mount it on piping horizontally vertically or at any intermediate angle depending on piping or operating convenience Fig 11 Do not over...

Страница 13: ...oreign objects may get stuck around valve seats and affect valve function or cause internal fluid leakage Prior to piping installation check that the design specifications of an actuated valve all satisfy service conditions Also remove dusts scales and other foreign residues from valve end threads and piping internals Check the kind and the standard of valve threads with a gauge and confirm that t...

Страница 14: ...source with some slack is recommended Fig 14 Fig 14 Do not modify an actuator for any reason to avoid concerns of functional failures Do not separate an actuator valve assembly or disassemble an actuator to avoid damage of the actuator An actuator is designed for either AC100V or AC200V Check that the power source voltage on site matches to the design specification of an actuator Ensure to make co...

Страница 15: ...ncerns of a short circuit and actuator malfunction Electric wiring must be worked by the personnel who are officially qualified according to relevant national standards rules and or regulations Refer to the wiring diagram shown on a housing cover of an actuator for correct wiring Tightly bundle cables in a cable sheath and firmly cover them cable ends with a plastic tape after having applied some ...

Страница 16: ...e slowly to prevent an actuator from damage or malfunction ESR100 1 ESR200 1 The valve operation range is 100 fully open at manual operation Since it is equipped with the lock groove it is possible to hold the valve in the fully opened status by the manual operation When shifting from manual to electric operation make sure to check that the manual lever is released from the lock groove Fig 16 Manu...

Страница 17: ... abnormal might happen If anything abnormal such as smoke emission or failure of control circuit fuse happens immediately turn off the actuator detect the cause and take an appropriate corrective measure to solve the problem Electric operation Turn on the power supply and confirm that valve opens Similarly turn off the power supply in the fully open status and confirm that the valve closes Others ...

Страница 18: ...tor directly by contact output of a sequence controller If such an activation is inevitable for any particular reason drive the actuator by means of a switching element like a relay provided with an adequate contact capacity Do not perform the closing opening operation while the valve is in the middle of opening closing It will shorten the life significantly This series of actuators is designed fo...

Страница 19: ... recommended Fig 18 This provision will make the fluid flow uni directional so that care must be taken to decide mounting direction of the valve on piping For fully open valves Standard provision of a pressure equalization hole on the top of the ball where it contacts with the valve stem is provided Fig 19 Valve mounting orientation remains bi directional Countermeasures in piping loop Extraordina...

Страница 20: ... Here are the items of inspections required as a minimum １ Check trouble free opening and closing of valves ２ Detect any external fluid leakage from valves and piping connections ３ Check vibration of valves and piping during operation ４ Inspect loosened bolts and nuts 5 1 Dismantling and Reinstallation Do not disassemble an energized actuator from a valve to eliminate concerns of valve damages and...

Страница 21: ...ects into the interiors of valves and actuators During maintenance works and dismantling from or reinstallation on piping take care not to damage sliding parts of actuated valves such as shafts and stems and prevent foreign objects from sticking to internal and external surfaces To remove the valve from a piping check that no fluid remains within the piping and use a valve spanner hook closer to t...

Страница 22: ...parts Water intrusion into actuator interior Submerged actuator Improper mounting orientation Inadequate waterproofing for exposed ends of cables Product replacement No installation in an environment with risk of submerging Mounting with correct orientation Adequate waterproofing with gap fillers and plastic tapes Excess pressure rise of valve cavity or piping pressure Replacing valves if pressure...

Страница 23: ...fter shipment from KITZ factories while the following conditions are satisfied 1 The product has been correctly handled stored installed operated and maintained according to this manual within the scope of design specifications and service conditions of the product 2 Failure or damage of the product has not been caused as a result of the user s incorrect operation or lack of care 3 The product has...

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