Related Manuals for Enwa EnwaMatic EM BS 300
Summary of Contents for Enwa EnwaMatic EM BS 300
- Page 1 GENERIC MANUAL - FOR REFERENCE ONLY. ALL BESPOKE UNITS WILL HAVE PROJECT SPECIFIC DETAILS...
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Page 2: Table Of Contents
EnwaMatic® Bespoke BS 300 Contents Declaration of conformity: Pressure test certificate: Contacts: Installation notes: Installation schematic: Actuator switch positions: EnwaMatic Operation: Flow diagram: Service / Backwash: Control panel operation: Maintenance & Troubleshooting: Pump data sheets Wiring diagrams:... -
Page 5: Contacts
EnwaMatic® Bespoke BS 300 Contact details Enwa Water Technology (UK) Unit A, Scotlands Industrial Estate Coalville, Leicestershire, LE67 3JJ Office: 01530 830 354 Project Manager: James Townley, 0787 9648006, j.townley@enwa.co.uk Commissioning Manager: Mark Griffiths, 07500 330 383, m.griffiths@enwa.co.uk Service & Aftersales: Cher Watkins, c.watkins@enwa.co.uk... -
Page 6: Installation Notes
EnwaMatic® Bespoke BS 300 Installation Notes Refer to installation schematic: The unit should connect to two DN50 / 2” isolation valves on the main district heating scheme (DHS). Flow through the vessel is driven by a dedicated circulation pump: Grundfos CRI 20-1. Inlet / outlet line size is DN50 / 2”. -
Page 8: Actuator Switch Positions
Actuator handles are mounted in line with the valve stem, such that a closed valve handle is perpendicular to the pipe on which it is mounted. The green mark indicates the required contact status (S1>S3) for a closed valve. Actuators are set up by ENWA at commissioning. STATUS BACKWASH... -
Page 9: Enwamatic Operation
Turn off control panel prior to undertaking any work on the equipment. The unit can be isolated for several days without a deterioration in water quality. If prolonged periods of isolation are required, please contact ENWA for advice. Automated backwash: Backwashing is set at the control panel for 2 week intervals as default. -
Page 10: Flow Diagram: Service / Backwash
SERVICE BACKWASH ACTUATOR POSITIONS BESPOKE BS 300 DIRECTION OF FLOW 4.6.15 JT -... - Page 11 Status of the solenoid valve, level sensor and pump controller are displayed on the PLC. Backwash Flow Rate: The flow rate is set on the regulating valve adjacent to Valve A. ENWA will set this flow at commissioning, with final adjustment on the follow-up visit, when the unit has been in service for several weeks.
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Page 12: Control Panel Operation
- allows user to initiate a complete automated backwash cycle. ALARM RESET - investigate and reset alarms. - return from menus. In standby mode the PLC will display the ENWA logo only. Touch the screen to access the main HMI display. The various status indicators are shown above. - Page 13 ‘Backwash’ button to observe a complete test cycle. ‘Settings’ requires a password number and is not recommended for normal operation. ENWA can advise if further access is required – for example to change backwash dates. In general, the correct settings are established at commissioning and refined on the initial follow-up visits.
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Page 14: Maintenance & Troubleshooting
Any problems should be reported directly to ENWA, who will advise or attend as required. After this time, regular annual servicing by ENWA should be carried out to check all components, clean the filter media, top up reaction media and analyse system water. This service extends the warranty on the water treatment process for additional 12 month periods. - Page 15 Report to ENWA. Orange light: Unit is in backwash. This should continue for 10-15 minutes maximum. Red light: Check alarm condition message. Reset if cause is clear and can be safely rectified. Otherwise: => Isolate unit and report to ENWA...
- Page 16 Check panel status: Incorrect valve positions, high / low tank level or solenoid inactivation will generate an alarm after a pre-set period. Report to ENWA. Low break tank level alarm: Break tanks may reach low level during normal operation. In this case the pump will switch off and wait for the tank to refill, resetting automatically.
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Page 17: Pump Data Sheets
Position Qty. Description CRI 20-1 A-FGJ-I-V-HQQV Note! Product picture may differ from actual product Product No.: 96500314 Vertical, multistage centrifugal pump with suction and discharge ports on same the level (in-line) enabling installation in a horizontal one-pipe system. Pump materials in contact with the liquid are in stainless steel. - Page 18 Description Value CRI 20-1, 1*230 V, 50Hz Pumped liquid = Water Liquid temperature = 20 °C General information: Density = 998.2 kg/m³ Product name: CRI 20-1 A-FGJ-I-V-HQQV Product No: 96500314 EAN number: 5700396199245 Price: On request Technical: Speed for pump data: 2789 rpm Rated flow: 21 m³/h...
- Page 19 96500314 CRI 20-1 50 Hz G 1/2 G 1/2 18.5 x 21.8 G 1/2 120.5 Note! All units are in [mm] unless others are stated. Disclaimer: This simplified dimensional drawing does not show all details. Printed from Grundfos CAPS [2014.04.042]...
- Page 20 96500314 CRI 20-1 50 Hz Note! All units are in [mm] unless others are stated. Printed from Grundfos CAPS [2014.04.042]...
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