Chlorine changeover unit C 7520 Operating instructions Table of Contents 1 Notes for the Reader ............4 12 Maintenance ..............24 1.1 General non-discrimination ............12.1 Maintenance intervals ............1.2 Explanation of the signal words ..........12.2 Maintenance accessories ............. 1.3 Explanation of the warning signs ..........
Chlorine changeover unit C 7520 Operating instructions 1 Notes for the Reader 1.3 Explanation of the warning signs This operating manual contains information and behaviour rules for the safe and designated operation of the device. Warning signs represent the type and source of a danger: Observe the following principles: Read the entire operating manual prior to starting-up the device.
Chlorine changeover unit C 7520 Operating instructions 2 Safety 2.1 General warnings PLEASE NOTE The following warnings are intended to help you eliminate the dangers Damage to the plant due to the formation of hydrochloric that can arise while handling the device. Risk prevention measures al- acid ways apply regardless of any specific action.
Chlorine changeover unit C 7520 Operating instructions 2.4 Working in a safety-conscious manner Knowledge of fundamental regulations regarding health and safety and accident prevention Besides the safety instructions specified in this operating manual, further All persons must generally have the following minimum qualification:...
3.2 Intended purpose The C 7520 changeover unit is intended for chlorine gas dosing systems only. It serves to switch between two positive pressure supply batteries. It may only be used with technically pure chlorine with a minimum mass content of 99.5 %...
The C 7520 is available in one version, in a welded pipe system with 5 service valves integrated. This variant allows the chlorinator to be operat- ed even during maintenance of the changeover unit.
P/N: *12345678012345* Material: Made in Germany 100-240 V, 1~, 50/60 Hz PN 16 DN 25 Fig. 2: Rating plate C 7520 Description Product name Part number Components coming into contact with the media Voltage supply and frequency Pressure class and nominal width...
Chlorine changeover unit C 7520 Operating instructions 5 Technical data Description Value Chlorine gas kg/h up to 200 Throughput Fluid chlorine kg/h up to 1400 Threaded connection 1" NPT male Connections depending on the Flange DN25 / PN40 with key and slot according to EN1092...
Chlorine changeover unit C 7520 Operating instructions 6 Dimensions All dimensions in mm 1" NPT ~600 Fig. 3: Dimensioned drawing C 7520 on mounting plate Fig. 4: Dimensioned drawing C 7520 with service valves Version Input ØA Output ØB Panel-mounted 1"...
Chlorine changeover unit C 7520 Operating instructions 7 Installation 6. Tighten the screws. PLEASE NOTE ü The device is fitted on the wall. Damage to the system due to incorrect installation 7.3 Hydraulic installation The failure to observe installation instructions (e.g. use of unsuitable tools, incorrect torque) can damage the system parts.
Chlorine changeover unit C 7520 Operating instructions Resources required: Any bolts, nuts and washers that are removed during Grease-dissolving cleaner assembly work must be replaced with new ones if they are damaged. Install only new screws, nuts and washers. Liquid thread sealant...
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Chlorine changeover unit C 7520 Operating instructions Close the control housing Perform the following working steps: 1. Pivot the housing lid towards the housing floor. 2. Pivot the hinge part towards the lid until it snaps in audibly. 3. Press against the hinge part with your hand until it locks audibly in place.
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Open battery has closed. Relay output "alarm" Pressure closed (state of The software of the C 7520 is max. 3 A/250 VAC delivery) activated. JP1 and JP5 must be NC (15– 17 closed with power failure) open.
Chlorine changeover unit C 7520 Operating instructions In its delivery state, the motor of the ball valve is connected in accordance with the following plan. Motor 1 (left) Motor 2 (right) Fig. 8: Motor connection Position Description Control circuit board...
Chlorine changeover unit C 7520 Operating instructions 7.6 Installation example Fig. 9: Installation example Position Description Position Description Room for the chlorine gas supply Vacuum regulator Dosing device room Moisture eliminator with heating collar Pressurized manifold Entrance port of the chlorine eliminator...
Hauptansicht Elektroschwenkantrieb Typ J2 H10 Chlorine changeover unit C 7520 Operating instructions 88813_2 8 Control 8.1.2 Motor operating elements 8.1 Controls 8.1.1 Operator controls of the control unit All operating states are displayed on the control. Fig. 11: Motor operating elements...
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Chlorine changeover unit C 7520 Operating instructions Manual stop The C button in the centre of the control unit was pressed Close both motor ball valves. Both arrow LEDs light up red. Both bottle LEDs light up unchanged. 8.2.2 Manual operation ü...
Chlorine changeover unit C 7520 Operating instructions 9 Commissioning 9.1 Inspecting the pressure system Given a leakage on the control rod of the ball valve, the control rod seal can be tightened. See section 12.4.4 „Fit new seals“ Check the pressure system of the chlorine tank for leaks up to the vacu- on page 26.
Chlorine changeover unit C 7520 Operating instructions 9.2 Turning on the device PLEASE NOTE Precondition for action: Damage from ammonia solution ü The device is fully assembled. ü The leakages tests was performed. If the ammonia solution comes into contact with the plant, this leads to corrosion on the equipment.
Chlorine changeover unit C 7520 Operating instructions 10 Operation The relay switches in the control for remote indication. Inform DANGER the connection locations about the chlorine tank change. Danger to life from leaking or incorrectly-installed 3. If the pressure gauge indicates “0”, return the selection lever to systems.
Chlorine changeover unit C 7520 Operating instructions 11 Shutdown 11.1 Short-term shutdown Perform the following working steps: 1. Close the chlorine tank valves. 2. Use the injector to suck off the remaining chlorine. 3. Switch off the injector. ü Chlorinator shut down for the short term.
Chlorine changeover unit C 7520 Operating instructions 12 Maintenance Products by Lutz-Jesco are manufactured to the highest quality stand- In some cases, regional regulations may require shorter ards and have a long service life. However, some parts are subject to op- maintenance intervals.
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Chlorine changeover unit C 7520 Operating instructions 12.4.1 Disassembling the drive The following section is based on the assumption that the ball valve is a ball valve with a handle. However, if the ball valve is fitted with a drive, the drive must be removed for the maintenance work.
Chlorine changeover unit C 7520 Operating instructions 6. Fit a ball seat in the housing. The 45° chamfer must point towards Position Description the ball (see symbol in Fig. 17). Make sure that the ball seat does not twist. Pressure screw 7.
Chlorine changeover unit C 7520 Operating instructions 12.7 Finishing maintenance The maintenance on the pressure gauge restricts itself to a visual check and the cleaning of the connection. Perform the following working steps: Precondition for action: 1. Make a note of the date and scope of the maintenance performed.
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Chlorine changeover unit C 7520 Operating instructions 13 Troubleshooting All possible errors are listed in this table. Problem Possible cause Remedy The changeover unit does not change After connecting the new chlorine tank, the OK The OK button in the cylinder symbol must be even though the battery connected is button in the cylinder symbol was not pressed.
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Chlorine changeover unit C 7520 Operating instructions 14 Spare parts Fig. 18: Individual parts for C 7520 Position Description Base plate Servo motor Ball Valve Contact pressure gauge G1/4 axial Control box Processor programmed Tab. 18: Spare parts Maintenance kit for ball-valve...
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(NL) EU-overeenstemmingsverklaring Ondergetekende Lutz-Jesco GmbH, bevestigt, dat het volgende genoemde apparaat in de door ons in de handel gebrachte uitvoering voldoet aan de eis van, en in overeenstemming is met de EU-richtlijnen, de EU-veiligheidsstandaard en de voor het product specifieke standaard. Bij een niet met ons afgestemde verandering aan het apparaat verliest deze verklaring haar geldigheid.
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Chlorine changeover unit C 7520 Operating instructions 16 Declaration of no objection Please copy the declaration, stick it to the outside of the packaging and return it with the device. Declaration of no objection Please fill out a separate form for each appliance! We forward the following device for repairs: Device and device type: ..............
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Chlorine changeover unit C 7520 Operating instructions 17 Warranty claim Warranty claim Please copy and send it back with the unit! If the device breaks down within the period of warranty, please return it in a cleaned condition with the complete warranty claim.
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Chlorine changeover unit C 7520 Operating instructions 18 Index Product description ................8 Product warranty ................7 Checking for leaks Prohibited dosing media ..............7 Chlorine gas ................20 Nitrogen ..................20 Commissioning ................20 Controls ...................18 Rating plate ..................9 Dimensioned drawings ..............11 Safety ....................5 Dimensions ..................11 Scope of delivery ................8...
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PL-Bild Elektrischer Chlorgasumschalter C 7520 für Überdrucksysteme 22700003_1 Lutz-Jesco GmbH Am Bostelberge 19 D-30900 Wedemark Phone: +49 5130 5802-0 info@lutz-jesco.com www.lutz-jesco.com Operating instructions C 7520...
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