Lutz-Jesco C 7700 Operating Instructions Manual Download Page 1

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Dosing

Conveying

Control

Liquids
Gases
Systems

Original operating instructions
© Lutz-Jesco GmbH 2017

BA-20710-02-V05

Read the operating manual!
The user is responsible for installation and operation related mistakes!

Chlorine control valve

C 7700

Operating instructions

Summary of Contents for C 7700

Page 1: ...Gases Systems Original operating instructions Lutz Jesco GmbH 2017 BA 20710 02 V05 Read the operating manual The user is responsible for installation and operation related mistakes Chlorine control va...

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Page 3: ...7 1 Installation location 13 7 2 Installing the device 13 7 3 Hydraulic installations 14 7 4 Completing the installation 16 7 5 Installation plans 17 8 Servomotors 18 8 1 Opening and closing the serv...

Page 4: ...ING Refers to a potentially hazardous situation Failure to follow this instruction may lead to death or severe injuries CAUTION Refers to a potentially hazardous situation Failure to follow this instr...

Page 5: ...losive area explosions can occur that result in fatal injuries Never use the device in potentially explosive areas WARNING Increased risk of accidents due to insufficient qualifica tion of personnel C...

Page 6: ...onnel qualification Any personnel who work on the device must have appropriate special knowledge and skills Anybody who works on the device must meet the conditions below n attendance at all the train...

Page 7: ...k what qualifications are the pre condi tion for the respective tasks Only people with appropriate qualifications are allowed to perform these tasks Qualification Activities Specialist staff n Transpo...

Page 8: ...their respective activities n No original spare parts or accessories of Lutz Jesco GmbH are used n Unauthorised changes are made to the device n The user uses different dosing media than those indica...

Page 9: ...servomotor with a regulation bevel of 90 moves the regulator eccentric 5 It converts the rotation movement into the stroke movement of the valve spindle 4 A spring 3 pushes the valve spindle onto the...

Page 10: ...i XX kg h Max XXX l h XXXX V 50 60 Hz IP65 XX XXXX S N XXXXXXXXXX P N Made in Germany 102A12345678 12345678012345 C 7700 Lutz Jesco GmbH 30900 Wedemark Am Bostelberge 19 Germany Fig 3 Rating plate C 7...

Page 11: ...0 200 500 1000 2500 g Cl2 h 4 5 10 15 25 40 60 120 200 kg Cl2 h Operating pressure 1 0 bar Required suction vacuum of the injector 0 25 bar Valve pressure drop 0 15 bar Material in contact with the me...

Page 12: ...dimensions in millimetres mm 86 66 IN OUT L1 L2 L3 162 240 130 174 80 7 Fig 4 Dimensional drawing Connection IN OUT Dim L1 Dim L2 Dim L3 Hose 8 12 mm 95 170 55 Hose 12 16 mm 95 181 66 Threaded connect...

Page 13: ...inst access by unauthorised persons n protected against weather conditions n frost free n permissible ambient temperature adhered to see Section 5 Technical data on page 11 n room of sufficient size t...

Page 14: ...nominal width For instance PVC U pipes or PE hoses are used as vacuum lines The following nominal widths are recommended for the vacuum line between dosing device and injector max pressure decrease 2...

Page 15: ...he same size as the connection straight onto the device and observe the recommended nominal width for the large distance Fig 6 M L1 LA LB LC L2 LD Long vacuum lines Item Meaning a Vacuum regulator b D...

Page 16: ...are clean and dry The transport protection on the connection has been removed Resources required Pipe cutter File or chamfer tool PVC adhesive and cleaning agent Non fuzzing paper towels Perform the...

Page 17: ...directly to the flow meter and doses in proportion to the water flow The optional signal converter can adjust the dosing rate depending on the usage process 7 5 2 Dosing with closed control circuit Fi...

Page 18: ...ening and closing the servomotor Resources required Philips screwdriver size Ph2 Open Perform the following working steps 1 Loosen the two screws on the cover 2 Pull the cover towards the right Servom...

Page 19: ...Limit switch adjustment i The servomotor in its delivery state is adjusted to a setting range of 0 100 A different setting is only useful in special cases Before you change anything on the servomotor...

Page 20: ...g 15 Circuit board 4 20 mA Item Description A SR microswitch valve open B SL microswitch valve closed C Fault signalling relay Table 19 Elements on the circuit board Item Description D Status display...

Page 21: ...l of the motor is 90 for a dosing capacity of 0 100 If the regulation bevel is greater the feedback potentiometer will shift during operation and the device will not function reliably The servomotor i...

Page 22: ...t This setting also applies to the Setpoint input and the Actual value output Setting the signal type 0 20 mA 1 Switch DIP switch 2 to manual operation 2 Switch off the voltage supply 3 Press and hold...

Page 23: ...ollows the electrical control signal automatical ly 3 2 1 10 Operation 10 1 Setting the dosing quantity No operation is required in the normal mode The electrical regulation valve adjusts the dosing q...

Page 24: ...tor 6 The vacuum must stay unchanged for at least five minutes 7 If the vacuum collapses quickly eliminate the leak and repeat the check on the vacuum system Vacuum system checked 11 2 Turning on the...

Page 25: ...r the long term The device remains in the installation location during the operating pause All connections remain closed The voltage supply should remain active so that condensate is unable to gather...

Page 26: ...tem after a long period out of service Maintenance intervals not depend only on how frequently the equipment is used Chemical wear for example of rubber parts begins with the initial medium contact an...

Page 27: ...ring A small amount of silicone grease may be used for fitting the seal 2 Rub the O ring 13 lightly with silicone grease and insert it into the groove of the sealing bushing The silicone grease helps...

Page 28: ...ckwise and then tighten the counternut on the upper guide bolt 9 Repeat the zero point adjustment check at least once Zero point adjusted 13 4 5 Finishing maintenance Perform the following working ste...

Page 29: ...ulation bevel of 90 The dosing capacity of the valve is too small large for the consumption process The selected valve is too small large The valve spindle can be replaced if the dosing capacity is 25...

Page 30: ...20710 02 V05 Chlorine control valve C 7700 Operating instructions 15 Spare parts 15 1 Individual parts for C 7700 up to 2500 g h Fig 20 Individual parts for C 7700 up to 2500 g h 3 2 1 4 5 6 7 8 9 10...

Page 31: ...1 Washer 30 12 1 Retaining ring 13 1 Screw cap 14 1 O Ring 95 15 5 Screw M5x12 16 1 Eccentric 17 4 U washer 5 3 18 1 Sealing bushing Table 28 Individual parts for C 7700 up to 2500 g h Position No Des...

Page 32: ...lve seat 35 1 Union nut large 40 1 Valve disc holder 41 1 Valve disc 42 2 O ring small 43 2 Stick on connector 44 2 Union nut small Table 29 Individual parts for C 7700 from 4 kg h 15 3 Maintenance se...

Page 33: ...los aspectos constructivos del modelo puesto por nosotros en circulaci n el aparato mencionado a conti nuaci n cumple con los requisitos sanitarios y de seguridad vigentes de las directivas de la U E...

Page 34: ...air Dosing medium Description Irritating Yes No Properties Corrosive Yes No We hereby certify that the product has been cleaned thoroughly inside and outside before returning that it is free from haza...

Page 35: ...anty claim Sender Company Phone Date Address Contact person Manufacturer order no Date of delivery Device type Serial number Nominal capacity nominal pressure Description of fault Service conditions o...

Page 36: ...tion example 17 Intended purpose 8 Intended use 8 L Long term shutdown 25 M Maintenance 26 Accessories 26 Maintenance intervals 26 Maintenance accessories 26 N Notes for the Reader 4 O Operation 23 Au...

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