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Content
1.
Scope of delivery
2.
Device description
3.
4.
5.
6.
7.
1 Scope of delivery
The chlorine gas changeover unit C 7520 is delivered either as a
ready-to-connect unit with a mounting plate or an assembly kit for
integration in the pipe line. When unpacking, please ensure that
the installation material (included in the scope of delivery) for wall
fixing is not lost.
2 Device description
2.1 Technical data
Description
Throughput
Chlorine gas
Fluid chlorine
Connections
Threaded connection
depending on the
Flange connection
device version
Voltage supply
Power consumption
In standby
During changeover
Material in contact with the media
Pressure gauge
Measuring range
Accuracy
Nominal size
Load capacity of the relay contacts
Changeover time
Operating pressure
Protection class
Permissible ambient temperature
Weight with mounting plate
Table 1: Technical data
12.15
2.2 Dimensions
All dimensions in mm
Value
up to 200 kg/h
up to 1400 kg/h
External thread 1" NPT
Flange DN25 / PN40 with key and slot
according to EN1092
Inputs: Groove flange (Form D)
Output: Tongue flange (Form C)
100 ... 240 V AC
5 W
max. 100 W
steel, Monel, stainless steel, PTFE, silver
0...16 bar (vacuum resistant)
± 2.5 %
Ø 63 mm
max. 3 A / 250 V AC
max. 25 s
0...16 bar
IP 65
0-60°C
approx. 17 kg
BW 2 24 04 / 1
600
550
1" NPT
~
550
300
Fig. 1:
Dimensions
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Summary of Contents for Jesco C7520
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Page 1: Table Of Contents
BW 2 24 04 / 1 Content 2.2 Dimensions Scope of delivery All dimensions in mm Device description Installation Operation 1" NPT Shutdown Maintenance Troubleshooting 1 Scope of delivery The chlorine gas changeover unit C 7520 is delivered either as a ready-to-connect unit with a mounting plate or an assembly kit for integration in the pipe line. - Page 2 BW 2 24 04 / 2 2.3 Control box Manual changeover Manual changeover can be performed with the press of a key. 2.3.1 Controls Manual STOP Both valves are closed with the press of a key. Both LEDs in the arrow illuminate red. Jumper JP3 must be closed.
- Page 3 BW 2 24 04 / 3 2.3.3 Special operating states LED display: Relays empty Relay alarm Operating state Waiting for supply A supply battery is empty, it was subject to automatic Empty side: cylinder and arrow illuminate changeover, the operating pressure has yet to red.
- Page 4 BW 2 24 04 / 4 Jumper 2.3.4 Terminal connection Vaccum Press. Processor POWER IN Motor 2 Motor 1 Alarm empty feedback M2 feedback M1 Fig. 3: Terminal connection Description Function Terminal Voltage supply input Voltage supply for motor 2 (ball valve right) Close Open...
- Page 5 BW 2 24 04 / 5 Description Function Terminal close Position switch in motor 2 (ball valve right) open close Position switch in motor 1 (ball valve left) open GasW. Gas warning device input closed = alarm Mano. Contact pressure gauge switch closed = chlorine shortage Table 4: Terminal connection 2.3.5 Jumper settings...
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Page 6: Installation
BW 2 24 04 / 6 3 Installation The pre-fitted chlorine gas changeover unit is fitted to the wall with Every motor is equipped with an additional position switch for the the screws and washers included in the scope of delivery. remote indication of the operating state. - Page 7 BW 2 24 04 / 7 Fig. 5: Installation example Room for the chlorine supply Chlorine barrel Chlorine barrel scale Manifold Changeover valve Chlorine gas filter Pressure reducing valve Moisture eliminator with heating collar Vacuum regulator Gas sensor Entrance port of the chlorine eliminator Dosing device room Dosing device Motive water pump...
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Page 8: Operation
BW 2 24 04 / 8 4 Operation 5 Shutdown 4.1 Normal mode Chlorine gas is hygroscopic and together with the moisture, forms hydrochloric acid, which destroys the dosing device. As a result, Automatic changeover all connections must be closed carefully upon shutdown of the chlorine gas dosing system. -
Page 9: Maintenance
BW 2 24 04 / 9 6 Maintenance 6.1 Maintenance intervals Connect the tank valves of the active chlorine supply battery. The pressure on the pressure gauge falls and when the switching point has been reached, the ball valves change their switch position. To avoid hazardous incidents, chlorinators must be regularly maintained. -
Page 10: Troubleshooting
Check whether the plugs on the motors are motor and control has been loose. If you do not experience any success: interrupted, the position switch in the inform Lutz-Jesco service. motor has been adjusted incorrectly or a motor is defective. The gas warning device contact Locate and redress the cause. - Page 11 100 - 240 V, 50 - 60 Hz 22400012 Processor (programmed) 79583 IC-gripper (for processor exchange) 79804 Maintenance set for C7520 from 08 / 2014 onwards 41218 (after 3 years) 2x maintenance set ball valve Table 10: Spare parts 12.15...