OPERATING INSTRUCTIONS MODEL C290 SANITARY
Contents
1. 2 swanne 1 2 Conduit Fitting yent Screw Junction Box Cable Strain Relief Part No A 533PC1 3237 Heyco Flex Fitting Dimensions 4 92 x 2 95 x 2 95 2 50 Long Manufacturer Hoffman Engineering Co Heyco 900 Ehlen Drive Anoka MN 55303 201 245 0033 612 421 2240 800 526 4182 1 Drill one 1 2 dia hole at each end of junction box for cable strain reliefs Note if conduit is to be installed omit one 1 2 hole and drill appropriate hole for conduit 2 Drill and tap one 1 2 13 NC hole in bottom of junction box and install loosely one 1 2 13 NC plastic or stainless steel screw The clearance between threads serves as a vent for the box Kenilworth NJ 07033 3 Install cable strain reliefs in 1 2 dia holes If using conduit at one end be sure it is sealed properly against moisture 4 Mount junction box and install cables Electrical Connections The Model C290 current output Sanitary Transmitter is a true 2 wire 4 20 mA current output device and delivers rated current to any external load of 0 800 ohms The C290 has a two wire cable where red is positive and black is negative Setra Transmitter 4 20 mA Power Supply ions The 4 20mA current output circuit is designed to have current tlow in one direction only please observe polarity It is suggested that the cable shield be connected to the system loop circuit ground to improve electrical noise rejec2. LIMITED WARRANTY AND LIMITATION OF LIABILITY SETRA warrants its products to be free from defects in materials and workmanship subject to the fol lowing terms and conditions Without charge SETRA will repair or replace products found to be defec tive in materials or workmanship within the warranty period provided that a the product has not been subjected to abuse neglect accident incorrect wiring not our own improper installation or servicing or use in violation of instructions furnished by SETRA b the product has not been repaired or altered by anyone except SETRA or its authorized service agencies c the serial number or date code has not been removed defaced or otherwise changed and d examination discloses in the judgment of SETRA the defect in materials or workmanship devel oped under normal installation use and service e SETRA is notified in advance of and the product is returned to SETRA transportation prepaid Unless otherwise specified in a manual or warranty card or agreed to in a writing signed by a SETRA officer SETRA pressure and acceleration products shall be warranted for one year from date of sale The foregoing warranty is in lieu of all warranties express implied or statutory including but not limited to any implied warranty of merchantability for a particular purpose SETRA s liability for breach of warranty is limited to repair or replacement or if the goods cannot be repaired or replaced to a ref
3. ping gently with a soft cloth Temperature Limits The operating temperature limits of the C290 based on the limits of the electronics are 40 F to 260 F Thermal Effects 20 F to 180 F range Zero Shift 2 00 F S 100 F Span Shift 2 00 F S 100 Mounting The C290 will mount directly to a mating tri clover flange along with a tri clover type clamp and gasket 2 inch tri clover for ranges up to 30 psig and 1 5 inch for higher ranges Horizontal mounting is recommended to enable proper cleaning and draining of liquids from sensor cavity Note The output signal is not appreciably affected by clamping forces so it is not necessary to orient the flange circle to any special position for best performance 2 Venting The C290 is vented to atmosphere through the cable to achieve best accuracy This is particularly important for models with pressure ranges below 30 psig Connections to the cable should be made in a junction box that is vented to atmosphere with care taken to insure that the end of the cable is not blocked or sealed Junction Box Suggestion The following junction box configuration is a recommended method of terminating the C290 s signal cable in order to achieve a moisture resistant and vented connection 1 2 Conduit optionally a Junction Box S N ian D RH He 8 x
4. place and tighten the zero and span screws with O rings to prevent moisture from entering The C290 is vented through the cable Connections to the cable should be made ina dry junction box vented to atmosphere Insure that moisture cannot enter the end of the cable The C290 is shipped with a rubber boot over the stainless steel pressure sensing diaphragm to protect the diaphragm during shipment storage and handling prior to installation This boot should not be removed until the transmitter is to be installed and should be used whenever the unit is removed from its installation Do not contact the diaphragm with sharp objects screwdrivers or other mechanical devices Environment The C290 Transmitter is designed to be used with any gas or liquid compatible with 316L stainless steel 316 for ranges gt 30 psig It is designed to be splash and drip proof for wash down cleaning and can also be completely submerged with the exception of the open end of the electrical cable Cleaning The pressure sensing diaphragm will withstand normal high pressure washing and partial vacuums created by fast cooling of steam sterilized tanks However be sure not to exceed the proof pressure listed on specification sheet In high pressure washing care should be taken not to spray directly on diaphragm as it could result in exceeding the proof pressure The C290 can also be cleaned by dipping the diaphragm in a container of cleaning solution or by wi
5. se remove any pressure fittings and plumbing that you have installed and enclose any required mating electrical connectors and wiring diagrams Allow approximately 3 weeks after receipt at Setra for the repair and return of the unit Non warranty repairs will not be made without customer approval and a purchase order to cover repair charges Calibration Services Setra maintains a complete calibration facility that is traceable to the National Institute of Stan dards amp Technology NIST If you would like to recalibrate or recertify your Setra pressure trans ducers or transmitters please call our Repair Department at 1 800 257 3872 or 978 263 1400 for scheduling cost and turn around estimates For all CE technical questions contract Setra Systems USA EU customers may contact our EU representative Hengstler GmbH Uhlandstr 49 78554 Aldingen Germany Tel 49 7424 890 Fax 49 7424 89500
6. tion CALIBRATION 3 All Setra pressure transmitters are carefully calibrated to the specific input pressure range vs out put current at the factory so little or no field calibrating is necessary C290 transmitters 4 20 mA are factory calibrated using a 250 ohm load at 24 VDC External zero and span adjustment capabil ity is approximately 0 5 mA individually Zero and span adjustments are made by removing the pan head screws and turning the potentiometer screw inside A jeweler s screwdriver or a 015 x 3 32 flathead screwdriver with a 3 shaft is easiest to use for making zero and span adjustments It is important to replace the screws after adjustments are made to avoid allowing moisture to enter the transmitter RETURNING PRODUCTS FOR REPAIR Please contact Setra 1 800 257 3872 or 978 263 1400 before returning unit for repair to review information relative to your application Many times only minor field adjustments may be neces sary When returning a product to Setra the material should be carefully packaged and shipped prepaid to Setra Systems Inc 159 Swanson Road Boxborough MA 01719 Attn Repair Department To assure prompt handling please supply the following information and include it inside the pack age of returned material 1 Name and phone number of person to contact 2 Shipping and billing instructions 3 Full description of the malfunction 4 Identify any hazardous material used with product Notes Plea
7. und of the purchase price SETRA s liability for all other breaches is limited to a refund of the purchase price In no instance shall SETRA be liable for incidental or consequential damages arising from a breach of warranty or from the use or installation of its products No representative or person is authorized to give any warranty other than as set out above or to as sume for SETRA any other liability in connection with the sale of its products TT pna i il I gi 159 Swanson Road MA 01719 978 263 1400 1 800 257 3872 Wal Wn lt SS0481 REV G 10 24 14 T ILLT Iil lh i null ar tl TT Lae ll OPERATING INSTRUCTIONS MODEL C290 SANITARY PRESSURE TRANSMITTERS GENERAL INFORMATION Your Setra C290 Sanitary Pressure Transmitter has been carefully tested and calibrated be fore shipment and it should be handled with the same care given any precision instrument Detailed performance information is listed on the specification bulletin for the transmitter The C290 is designed according to 3A Standard as indicated on etched cover label for sanitary installations It has a rugged MICRO TIG welded stainless steel housing and is exceptionally in sensitive to vibration shock EMI RFI interference and other environmental extremes The C290 is insensitive to the thermal shocks typical of CIP and SIP installations INSTALLATION NOTES Model C290 s should not require adjustment at installation If adjustments are made it is important to re
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