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Summary of Contents for Spirax Sarco CP32
- Page 1 IM-P403-58 4031350/14 AB Issue 14 CP32 Conductivity Probe Installation and Maintenance Instructions 1. Safety information 2. General product information 3. Installation 4. Wiring diagrams 5. Maintenance 6. Spare parts 7. Fault finding © Copyright 2016 IM-P403-58 AB Issue 14 Printed in GB...
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Page 3: Safety Information
Group 2 of the above mentioned Pressure Equipment Directive. The products’ use on other fluids may be possible but, if this is contemplated, Spirax Sarco should be contacted to confirm the suitability of the product for the application being considered. - Page 4 1.9 Tools and consumables Before starting work ensure that you have suitable tools and/or consumables available. Use only genuine Spirax Sarco replacement parts. 1.10 Protective clothing Consider whether you and / or others in the vicinity require any protective clothing to protect against the hazards of, for example, chemicals, high / low temperature, radiation, noise, falling objects, and dangers to eyes and face.
- Page 5 1.16 Returning products Customers and stockists are reminded that under EC Health, Safety and Environment Law, when returning products to Spirax Sarco they must provide information on any hazards and the precautions to be taken due to contamination residues or mechanical damage which may present a health, safety or environmental risk.
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Page 6: General Product Information
2. General product information 2.1 Application The Spirax Sarco CP32 conductivity probe is used in conjunction with a controller to measure the conductivity (closely related to TDS) of water, usually in a steam boiler, for the purpose of monitoring and controlling blowdown. - Page 7 " BSP (½" NPT) Fig. 1 IM-P403-58 AB Issue 14...
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Page 8: Installation
3. Installation The CP32 is supplied in nominal tip lengths of 300, 500, or 1000 mm, (12", 20" and 39") and cannot be cut to length. 300 mm and 500 mm probes can be installed vertically or horizontally. CAUTION: 1 000 mm probes must be installed vertically only. - Page 9 Install the probe as follows: Ensure male and female threads are in good condition. Use up to three turns (no more) of PTFE thread sealing tape on the probe thread. WARNINGS: Do not use excessive tape. Do not use paste type jointing compound. Fit and tighten the probe by hand initially.
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Page 10: Wiring Diagrams
Wiring should be carried out using 7 core, 1 mm² (18 AWG), high temperature screened cable, with a maximum length of 100 metres (330 ft). Pirelli FP 200 or Delta Crompton Firetuf OHLS are two suitable types for the standard CP32. For US and Canadian installations, Class 1 screened cable with a suitable temperature rating (75 °C / 167 °F minimum) must be used for the wiring. - Page 11 Probe Pt100 CP32 terminal CP32 terminal block TBK1 block TBK2 Screen Screen BC3200 / BC3210 controller Ensure resistance from probe body to pipework/boiler shell is less than 1 . Fig. 4 Wiring diagrams Probe Pt100 CP32 terminal CP32 terminal block TBK1...
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Page 12: Maintenance
5. Maintenance The probe does not normally need regular maintenance. Remove, clean, and check the probe annually. We also recommend that if the controller ever indicates a fault condition for over 12 hours that it is removed, checked, and cleaned. If scale should start to form on the probe, then it will normally be removed/made conductive by the automatic conditioning system. -
Page 13: Fault Finding
BC3200, BC3210 or BC3250: but it can be checked by using the MS1 conductivity meter. Checking the probe condition using the MS1:- The condition of an installed probe can be checked by using a Spirax Sarco MS1 conductivity meter and its extension lead. Driver tip: Connect the MS1 extension lead between terminal 1 and terminal 3. - Page 14 IM-P403-58 AB Issue 14...
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