Related Manuals for FISCHER DS21
Summary of Contents for FISCHER DS21
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Page 1: Operating Manual
Operating Manual DS21 Differential pressure measuring and switching device Flow guard in heat transfer oil systems in compliance with DIN 4754-2 and hot water systems according to VdTÜV Information sheet "Flow 100"... - Page 2 Great care was taken when compiling the texts and illustrations; Nevertheless, errors cannot be ruled out. The company FISCHER Mess- und Regeltechnik GmbH will not accept any legal responsibility or liability for this.
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Page 3: Table Of Contents
FISCHER Mess- und Regeltechnik GmbH Table of contents Table of contents 1 Safety notes .............................. 5 1.1 General.............................. 5 1.2 Personnel Qualification ........................... 5 1.3 Risks due to Non-Observance of Safety Instructions................ 5 1.4 Safety Instructions for the Operating Company and the Operator ............ 5 1.5 Unauthorised Modification........................ 5... - Page 4 Table of contents FISCHER Mess- und Regeltechnik GmbH 8 Attachments .............................. 26 8.1 EC Declaration of conformity........................ 26 8.2 EC type testing in compliance with 97/23/EC.................. 28 8.3 EAC Declaration............................. 29 8.4 DIN CERTCO certification DIN 4754-2 .................... 30 8.5 Part test current 100.......................... 32 8.6 Type test flow limiter DIN EN 12952-11 .................... 33 8.7 GL Certificate ............................ 34...
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Page 5: Safety Notes
FISCHER Mess- und Regeltechnik GmbH Safety notes | 1 1 Safety notes 1.1 General This operating manual is an integral part of the product and therefore needs to be kept close to the instrument in a place that is accessible at all times to the responsible personnel. -
Page 6: Safe Working Practices For Maintenance And Installation Work
1 | Safety notes FISCHER Mess- und Regeltechnik GmbH 1.7 Safe working practices for maintenance and installation work The safety instructions given in this operating manual, any nationally applicable regulations on accident prevention and any of the operating company's internal work, operating and safety guidelines must be observed. -
Page 7: Product And Functional Description
"Flow 100" only apply in conjunction with a differential pressure transducer, not for a differential pressure measuring and switching device alone. The successful type test of the series DS21 was confirmed by means of the fol- lowing test symbols: ▪ for flow guards in compliance with DIN 4754-2 : DIN CERTCO registration number 10S001 ▪... - Page 8 2 | Product and functional description FISCHER Mess- und Regeltechnik GmbH 2.2.1 Pressure chamber in aluminium Assembly foot Bayonet ring Pressure chamber Hood Process connection Pressure equalisation element Switch panel installation kit Electrical connection Fig. 1: DS21_Pressure chamber in aluminium [Standard] 2.2.2 Pressure chamber in stainless steel...
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Page 9: Function Diagram
3 m long connection cable. The associated wiring diagrams are shown on the type plate and in the section 'Installation and assembly'. Numbered cables Cable connection socket Fig. 3: DS21_EL-connection variants [Standard] 2.3 Function diagram Fig. 4: DS21 Function diagram [Standard] Pressure chamber Motion train Tappet Micro-switch Switch point setting... -
Page 10: Installation And Assembly
3 | Installation and assembly FISCHER Mess- und Regeltechnik GmbH 3 Installation and assembly 3.1 General The instrument may only be installed and commissioned by specialized person- nel familiar with the installation, commissioning and operation of this product. Specialized personnel are persons who can assess the work they have been assigned and recognize potential dangers by virtue of their specialized training, their skills and experience and their knowledge of the pertinent standards. -
Page 11: Electrical Connections
FISCHER Mess- und Regeltechnik GmbH Installation and assembly | 3 Shut-off valves in differential pressure lines may only be activated with tools. Threaded screw connections in these lines must be designed so that they re- main tight without any sealing agent, or the connection must be welded or hard- soldered. - Page 12 3 | Installation and assembly FISCHER Mess- und Regeltechnik GmbH Lid screw Seal Pressure screw Pressure washer Ground terminal Cutting ring Clamping ring Middle part Seal (view from above) Connection terminals Fig. 6: Cable socket Lid screw Seal Pressure screw Pressure washer...
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Page 13: Commissioning
FISCHER Mess- und Regeltechnik GmbH Commissioning | 4 4 Commissioning 4.1 General The instrument may only be installed and commissioned by specialized person- nel familiar with the installation, commissioning and operation of this product. Specialized personnel are persons who can assess the work they have been assigned and recognize potential dangers by virtue of their specialized training, their skills and experience and their knowledge of the pertinent standards. -
Page 14: Lead Seal
4 | Commissioning FISCHER Mess- und Regeltechnik GmbH 4.4 Zero point correction 1. Load the pressue chamber with the existing static system pressure. 2. Open the unit either by removing the hood or the bayonet ring and the front disk. Use a wrench to mount or remove the bayonet ring to prevent damage to the casing. -
Page 15: Maintenance
FISCHER Mess- und Regeltechnik GmbH Maintenance | 5 5 Maintenance 5.1 Wartung (maintenance) The unit is maintenance-free apart from regular cleaning of the surface of the casing. Dust deposits WARNING The casing of the unit must be cleaned regularly with a damp cloth to prevent heat accumulation, as this can lead to the surface overstepping the maximum allowed temperature (T70 °C). -
Page 16: Technical Data
6 | Technical data FISCHER Mess- und Regeltechnik GmbH 6 Technical data Please also observe the order code here. 6.1 Input variables Measuring variable Differential, over and under-pressure for gaseous and fluid media. Measurement range Measurement range Allowed static operating pressure 0 …... -
Page 17: Application Conditions
FISCHER Mess- und Regeltechnik GmbH Technical data | 6 Fig. 9: Cable socket / cable plug Contact Switch Make contact Break contact Switch 1 Joint Joint Make contact Switch 2 Break contact Ground connection GL version In models with one switch, a cable (0.6/1KV 4Gx1.5) with the following color... -
Page 18: Construction Design
6 | Technical data FISCHER Mess- und Regeltechnik GmbH Certificates Type testing (Module B) No. 07 202 1081 Z 9142/13/H Quality assurance system (Module D) No. 07/202/1081 /Z/0095/18/D/001 EAC Declaration No TC RU д-DE.AB71.B.09656 DIN CERTCO DIN 4754-2:2015-03 No. 10S001 VdTÜV... -
Page 19: Dimensional Drawings
FISCHER Mess- und Regeltechnik GmbH Technical data | 6 6.7 Dimensional drawings (All dimensions in mm unless otherwise stated) 6.7.1 Pressure chamber in aluminium Cable screw connection plastic M16x1.5 Ø5 Cutting ring screw connection Cable screw connection plastic M20x1.5 G¼... - Page 20 6 | Technical data FISCHER Mess- und Regeltechnik GmbH Ø5 Cutting ring Cable screw connection screw connection plastic M20x1.5 G¼ Ø21 min. 3 Process connection inner thread Fig. 11: Pressure chamber in aluminium (IP65) 20 / 40 BA_EN_DS21_ST4-F...
- Page 21 FISCHER Mess- und Regeltechnik GmbH Technical data | 6 6.7.2 Pressure chamber in stainless steel Cable screw connection plastic M16x1.5 Ø4.8 Cutting ring 18.5 screw connection 109.5 Cable screw connection plastic M20x1.5 G¼ Ø21 min. 3 Process connection inner thread Fig. 12: Pressure chamber in VA (IP55)
- Page 22 6 | Technical data FISCHER Mess- und Regeltechnik GmbH Ø4.8 18.5 Cutting ring Cable screw connection screw connection plastic M20x1.5 G¼ Ø21 min. 3 Process connection inner thread Fig. 13: Pressure chamber in VA (IP65) 22 / 40 BA_EN_DS21_ST4-F...
- Page 23 FISCHER Mess- und Regeltechnik GmbH Technical data | 6 6.7.3 Installation of front panel The cutout required to mount the front control panel is the same for all models. Fig. 14: Front panel cutout BA_EN_DS21_ST4-F 23 / 40...
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Page 24: Order Codes
7 | Order Codes FISCHER Mess- und Regeltechnik GmbH 7 Order Codes Code no. 10 11 12 13 14 15 16 17 Type Optional information e.g. SIL Measuring range [1.2] ← Code no. Allowed static pressure 0 … 250 mbar 6 bar 0 …... - Page 25 FISCHER Mess- und Regeltechnik GmbH Order Codes | 7 Electrical connection ← Code no. Numbered cable, permanently wired 1 m long 2.5 m long 5 m long Cable connection socket GL version with 3 m connection cable Cable plug Casing protection class ←...
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Page 26: Attachments
8 | Attachments FISCHER Mess- und Regeltechnik GmbH 8 Attachments 8.1 EC Declaration of conformity Fig. 15: CE_DE_DS21 Part1 26 / 40 BA_EN_DS21_ST4-F... - Page 27 FISCHER Mess- und Regeltechnik GmbH Attachments | 8 Fig. 16: CE_DE_DS21 Part2 BA_EN_DS21_ST4-F 27 / 40...
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Page 28: Ec Type Testing In Compliance With 97/23/Ec
8 | Attachments FISCHER Mess- und Regeltechnik GmbH 8.2 EC type testing in compliance with 97/23/EC TuVNORD ZERTIFIKAT CERTIFICATE EG-Baumusterprüfung EC type-examination nach Richtlinie 97/23/EG according to directive 97/23/EC Zertifikat-Nr. 07 202 1081 9142/13/H I Certificate No.: Name und Anschrift des H erstellers... -
Page 29: Eac Declaration
FISCHER Mess- und Regeltechnik GmbH Attachments | 8 8.3 EAC Declaration Fig. 18: EAC_RU_D-DE-AB71-B-0956 BA_EN_DS21_ST4-F 29 / 40... -
Page 30: Din Certco Certification Din 4754-2
8 | Attachments FISCHER Mess- und Regeltechnik GmbH 8.4 DIN CERTCO certification DIN 4754-2 Fig. 19: DIN_CERTCO_10S001_DE_Page_1 30 / 40 BA_EN_DS21_ST4-F... - Page 31 FISCHER Mess- und Regeltechnik GmbH Attachments | 8 Fig. 20: DIN_CERTCO_10S001_DE_Page_2 BA_EN_DS21_ST4-F 31 / 40...
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Page 32: Part Test Current 100
8 | Attachments FISCHER Mess- und Regeltechnik GmbH 8.5 Part test current 100 Fig. 21: Part test current 100 32 / 40 BA_EN_DS21_ST4-F... -
Page 33: Type Test Flow Limiter Din En 12952-11
FISCHER Mess- und Regeltechnik GmbH Attachments | 8 8.6 Type test flow limiter DIN EN 12952-11 TÜVRheinland® TÜV Rheinland Energy GmbH Genau. Richtig. Test Centre for Energy Appliances Type test of flow limiter DIN EN 12952-11 :2007.09 I DIN EN 12953-9:2007.09... -
Page 34: Gl Certificate
8 | Attachments FISCHER Mess- und Regeltechnik GmbH 8.7 GL Certificate Fig. 23: GL_93_823-88_HH_2 34 / 40 BA_EN_DS21_ST4-F... -
Page 35: Sil Certificate
FISCHER Mess- und Regeltechnik GmbH Attachments | 8 8.8 SIL Certificate Z E R T I F I K A T C E R T I F I C A T E Hiermit wird bescheinigt, das u.g. Produkt der Firma /... - Page 36 8 | Attachments FISCHER Mess- und Regeltechnik GmbH Hinweise zum TÜV NORD- Zertifikat Hints to the TÜV NORD - Certificate Dieses TÜV NORD - Zertifikat gilt nur für die umseitig This TÜV NORD - certificate only applies to the firm bezeichnete Firma und das angegebene Produkt.
- Page 37 Siehe Seite 1 des Zertifikates General information See also page 1 of the Certificate Produktbeschreibung: Differenzdruck Mess- und Schaltgerät / Differental Presure Switch DS11, DS13, DS21 Product description: Kontaktmanometer / Contact Pressure Gauge MS11 Technische Daten: Sicherheitsparameter / Safety Parameter...
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Page 38: Rmrs Certificate
8 | Attachments FISCHER Mess- und Regeltechnik GmbH 8.9 RMRS Certificate Fig. 27: RSMS_15.00106.272_page_1 38 / 40 BA_EN_DS21_ST4-F... - Page 39 FISCHER Mess- und Regeltechnik GmbH Attachments | 8 Fig. 28: RSMS_15.00106.272_page_2 BA_EN_DS21_ST4-F 39 / 40...
- Page 40 8 | Attachments FISCHER Mess- und Regeltechnik GmbH 40 / 40 BA_EN_DS21_ST4-F...
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