Related Manuals for Endress+Hauser CleanFit P CPA 471
Summary of Contents for Endress+Hauser CleanFit P CPA 471
- Page 1 CleanFit P CPA 471 BA 217C/07/en/03.00 No. 51502594 Retractable Assembly for Measuring pH/Redox Operating Instructions...
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Page 3: Table Of Contents
CleanFit P CPA 471 Table of Contents Table of Contents Safety Operation ...... -
Page 4: Safety
• Measuring point faults may only be repaired by authorised and trained personnel. • If faults cannot be repaired, the assembly must be taken out of service and secured against unintentional start-up. • Repairs may only be carried out by the manufacturer or by the Endress+Hauser service organisation. Endress+Hauser... -
Page 5: Operational Safety
• Depressurise the system before installing or removing the assembly. • Inspect screw unions, valves and pipes for leaks or damage on a regular basis. Return If the assembly has to be repaired, please return it cleaned to the Endress+Hauser sales centre responsible. Please use the original packaging. Endress+Hauser... -
Page 6: Identification
2 Identification CleanFit P CPA 471 Identification Equipment name 2.1.1 Nameplate The assembly variant is recognisable from the order code on the nameplate. Fig. 2.1: Nameplate of CleanFit P CPA 471 Endress+Hauser... - Page 7 CleanFit P CPA 471 2 Identification 2.1.2 Product structure Drive and limit switches Manual drive (not modifiable to pneumatic) Pneumatics without limit switch (retrofittable) Pneumatics with 2 pneumatic limit switches Special design to customer specifications Electrode holder seal Standard version (only process connection A, B, G, H)
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Page 8: Scope Of Supply
The following items are included in the delivery: • CleanFit P CPA 471 assembly • Operating Instructions BA 217C/07/en In case of any queries, please contact your supplier or the Endress+Hauser sales centre responsible (see back page of these Operating Instructions). Registered trademark ®... -
Page 9: Installation
3. Installing the assembly (see Chapter 3.3). Measuring system A full measuring system comprises: • Retractable assembly CleanFit P CPA 471 • 1 pH combination electrode (120 or 225 mm) • pH/redox measuring transmitter, e.g. Mycom CPM 152, MyPro CPM 431, Liquisys M CPM 223/253 •... -
Page 10: Installation Conditions
3 Installation CleanFit P CPA 471 Installation conditions 3.2.1 Dimensions Fig. 3.2: (left): Dimensions of CPA 471, short version (for electrode length of 120 mm) Fig. 3.3: (right): Dimensions of CPA 471, long version (for electrode length of 225 mm) - Page 11 CleanFit P CPA 471 3 Installation Fig. 3.4: Dimensions of electrode holder in sterile version Fig. 3.5: Dimensions of CPA 471, short version, with 225 mm liquid KCl electrode CeraLiquid P CPS 41 (with hose connection for refilling with KCl)
- Page 12 3 Installation CleanFit P CPA 471 3.2.2 Installation location/position The CPA 471 assembly is designed for installation on tanks or pipes. Suitable connections must be available. Note! It is imperative to maintain an installation angle of min. 15°. Fig. 3.6: Installation examples: The minimum installation angle is 15°...
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Page 13: Installation
CleanFit P CPA 471 3 Installation Installation Fig. 3.8: Overview of mounting parts of CPA 471 3.3.1 Installing the electrode Note! • Before installing a new electrode, make sure that the electrode shaft is fitted with O- ring B and thrust collar A and that the protection cap is removed. - Page 14 3 Installation CleanFit P CPA 471 Gel electrode 1. Pull lifting tube fully into assembly (in »Maintenance« position, see Fig. 3.8). 2. Turn stop bolt lock through 90° so that plastic grooves are located above the recesses. 3. Turn lifting tube clockwise until stop bolt lock engages.
- Page 15 CleanFit P CPA 471 3 Installation KCl electrode 1. Pull lifting tube fully into assembly (in »Maintenance« position, see Fig. 3.8) 2. Turn stop bolt lock through 90° so that plastic grooves are located above recesses. 3. Turn lifting tube clockwise until stop bolt lock engages.
- Page 16 3 Installation CleanFit P CPA 471 3.3.2 Water connection (only on version with rinse fitting) Connect the water supply to the rinse fittings with internal thread provided (see Fig. 3.8). One connection is for the water inlet, the other is the water outlet. Make sure that the discharge is free and pressureless.
- Page 17 CleanFit P CPA 471 3 Installation 3.3.4 Connecting the pneumatic limit switches (only when equipped accordingly) Fig. 3.14: Pneumatic limit switch (1 = input, 2= output) The lower limit switches are for the »Measurement« function and the upper switches for the »Maintenance«...
- Page 18 3 Installation CleanFit P CPA 471 3.3.5 Installing the assembly Set the assembly in maintenance position (see Fig. 3.8) and attach it with the selected connection to the tank or pipe. Process connections are available for the CPA 471 assembly: G 1¼...
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Page 19: Operation
CleanFit P CPA 471 4 Operation Operation The assembly stop bolt lock arrests the lifting tube. Its operation is described in the two figures below: Fig. 4.1: Release stop bolt lock: Remove stop bolt and turn through 90° so that the plastic grooves rest on the metal edge. -
Page 20: Operating The Cpa 471 In Manual Mode
4 Operation CleanFit P CPA 471 Operating the CPA 471 in manual mode »Measurement« process • Release stop bolt lock catch. • Introduce electrode and lifting tube completely in process. • In this position, arrest electrode holder with stop bolt lock to prevent lifting tube from retracting unintentionally. -
Page 21: Maintenance
CleanFit P CPA 471 5 Maintenance Maintenance Warning! Risk of injury! Before starting maintenance work on the assembly, make sure that the process line and the tank are depressurised, empty and rinsed. Move the assembly to the »Maintenance« position and arrest it using the stop bolt lock (see Fig. 4.2). -
Page 22: Calibration
5 Maintenance CleanFit P CPA 471 Selecting cleaning agents The selection of cleaning agent depends on the type of fouling. The most frequent fouling and the associated cleaning agents are listed in the table below: Type of contamination Cleaning agent... -
Page 23: Repairs
CleanFit P CPA 471 5 Maintenance Fig. 5.1: Calibrating the electrode when removed Repairs The CPA 471 retractable assembly largely require very little maintenance. The following repair work is needed to ensure reliable operation: • Replace damaged assembly parts. • Keep O-rings and sealing surfaces on the assembly free of dirt. -
Page 24: Accessories
6 Accessories CleanFit P CPA 471 Accessories Endress+Hauser offers the following accessories specially designed for the CPA 471 retractable assemblies: Connection accessories • Weld-on connections G1¼, straight, stainless steel SS 316L; Order No.: 51502798 G1¼ angle 15°, stainless steel SS 316L; Order No.: 51502799 •... -
Page 25: Control Of Retractable Assembly During Cleaning / Calibration
CleanFit P CPA 471 6 Accessories Control of retractable assembly during cleaning / calibration • Autoclean CPC 20 Automatic cleaning control for CleanFit P retractable assemblies. Control cabinet with pneumatic valves, switches for position feedback signal, terminal strip for status signals. -
Page 26: Technical Data
7 Technical Data CleanFit P CPA 471 Technical Data General specifications Manufacturer Endress+Hauser Product name CleanFit P CPA 471 Ambient conditions Ambient temperature (nominal operating conditions) > 0°C ! Process conditions Process temperature range 0 ... 135°C (dependent on selected material and... - Page 27 CleanFit P CPA 471 7 Technical Data Pressure-temperature chart Fig. 7.1: Pressure-temperature chart of Assembly CPA 471 Subject to modifications. Endress+Hauser...
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Page 28: Index
Index CleanFit P CPA 471 Index Maintenance, manual mode....18 Manual cleaning......19 Accessories. - Page 30 Tel. ++84 (8) 8335225, Fax (8) 8335227 Tel. ++47 (32) 859850, Fax (32) 859851 Tel. ++57 (1) 2367659, Fax (1) 6107868 Poland Costa Rica Iran Endress+Hauser Polska Sp. z o.o. EURO-TEC S.A. PATSA Co. Warszawy San Jose Tehran Tel. ++48 (22) 7201090, Fax (22) 7201085 Tel.