Endress+Hauser CAT820 Installation Instructions Manual
Sample preparation systems electronics compartment
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- Operating instructions manual (44 pages) ,
- Operating instructions manual (52 pages)
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Summary of Contents for Endress+Hauser CAT820
- Page 1 Products Solutions Services EA01612C/07/EN/01.25-00 71704367 2025-05-31 Installation Instructions Sample preparation systems CAT820/860 Electronics compartment...
- Page 2 Replacing the CAT820 heater ........
- Page 3 CAT820/860 control module, 100-240 V → 11 71222179 CAT820/860 keypad electronics → 11 71218552 CAT820 housing cover → 12 71247278 CAT820/860 temperature sensor → 13 CAT820 overview The following graphic shows an overview of the CAT820: Endress+Hauser...
- Page 4 Pump inlet (sample intake) Sample inlet with compressed air cleaning CAT860 overview CAT860 and CAT820 are based on the same electronics module. CAT860 also offers an automated filter cleaning system using a special cleaner. The following graphic shows an overview of the CAT860:...
- Page 5 Sample inlet and outlet (rear two couplings) Intended use • The parts of the kits must only be used as spare parts for CAT820/860 sample preparation systems. Any other use is not permitted! • Use only original parts from Endress+Hauser.
- Page 6 ‣ Follow the instructions in the relevant chapters of this manual, as the procedure for electrical safety depends on the service kits used. The CAT820 and CAT860 sample preparation systems do not have their own switches for power supply. ‣...
- Page 7 A0058626 4 Valve with couplings Valve with couplings - used as V1 in CAT820, used as V2 in CAT860 Valve with couplings - used as V1 in CAT860 Valve with couplings - used as compressed air valve in CAT860...
- Page 8 EA01612C 71218549 Kit CAT820/860 peristaltic pump, complete The kit contains the following parts → 5, 8: Peristaltic pump, complete Kit instructions A0058627 5 CAT820/860 Peristaltic pump cpl. 71222201 Kit CAT820/860 roller head pump The kit contains the following parts → 6, 9:...
- Page 9 A0058327 6 CAT820/860 roller head pump Roller head with 2 rollers for CAT820/860 peristaltic pump Complete view of pump head with roller head and pump hose (only for information) 71218554 Kit CAT820 heater, complete The kit contains the following parts → 7, 9:...
- Page 10 EA01612C 71218551 Kit CAT820 fan 40 x 40 mm The kit contains the following parts → 8, 10: Fan 40 x 40 mm Kit instructions A0058629 8 CAT820 fan 40 x 40 mm 71218557 Kit CAT860 CPU module The kit contains the following parts →...
- Page 11 The kit contains the following parts → 9, 10: CPU module, depending on kit order code for Kit instructions CAT820 71247280 Kit CAT820 CPU module, time-controlled The kit contains the following parts → 9, 10: CPU module, depending on kit order code for Kit instructions...
- Page 12 EA01612C A0058632 11 CAT820/860 keypad electronics 5.11 71218552 Kit CAT820 housing cover The kit contains the following parts → 12, 12: Housing cover cpl. with hinges Kit instructions A0058633 12 CAT820 housing cover Endress+Hauser...
- Page 13 EA01612C 5.12 71247278 Kit CAT820/860 temperature sensor The kit contains the following parts → 13, 13: Temperature sensor Pt1000 Kit instructions A0058634 13 CAT820/860 temperature sensors Preparation Open the cover of the sample preparation system. Switch the sample preparation system with button (1) to manual mode →...
- Page 14 Press briefly: Pump feeds towards the analyzer. Press and hold: Pump feeds towards the filter. Use button (2) to pump toward the analyzer until the hose is empty. NOTICE If hose heaters are connected to the CAT820 or CAT860: ‣ Switch off the power connection (115/230 VAC) for the hose heaters using the system- side circuit breaker! Loosen the hoses on the pump.
- Page 15 Remove screws (1) and touch guard cap (2) (Allen key 2.5 mm).→ 16, 15. A0058347 16 Touch guard cap Remove all plug-in connectors. 10. Loosen the four locking mechanisms of the inner section → 17, 16 (screwdriver 2.5 ... 4 mm). Endress+Hauser...
- Page 16 EA01612C A0058348 17 Locking mechanisms 11. Remove the entire inner section upwards → 18, 16. Caution! May be difficult to remove. A0058635 18 Inner section Endress+Hauser...
- Page 17 Unplug the two-wire red/black valve cable (1) of valve V1 (3) or V2 (4) → 20, 18). Release the securing screws (2) of valve V1 (3) or V2 (4) and remove the valve → 20, 18(Torx screwdriver T10). Endress+Hauser...
- Page 18 Put the device back into operation and check the functions. Replacement of compressed air valve (CAT860) Perform the preparation steps→ 13. Loosen the hose connectors of the valve. Disconnect the cables from the terminals 3 and 4 → 21, 19. Endress+Hauser...
- Page 19 Replacing the pump Perform the preparation steps→ 13. Place the entire inner section upside down to access the securing screws and the pump motor' s connector→ 23, 20. Unplug the pump motor cable from the pump. Endress+Hauser...
- Page 20 Reassemble the device by performing the preparation steps in reverse order → 13. Put the device back into operation and check the functions. Replacing the CAT820 heater Perform the preparation steps→ 13. Loosen the screws of the side panel and fold out the side panel → 23, 20 (Torx screwdriver T20).
- Page 21 "Menu / Setup / Sample Preparation / Sample preparation 1/2 / Heatings / Cabinet" . Set the housing heater to "Available". Check the heater: via "Menu / Diagnostics / System Test / Sample Preparation 1/2 / Cabinet heating" - the housing temperature of the CAT820 is shown on the CA80 display. Endress+Hauser...
- Page 22 For CAT820 without Memosens technology (versions CAT820-AAxxxxxxx2xxxx and CAT820-AAxxxxxxx3xxxx): No activation required. Replacing the fan For procedure, see the "Replacing the CAT820 heater" section → 20. Replacing the CPU module Check the module type before installation: • 71218553: CPU module for CAT820 •...
- Page 23 Attach the new module to the side panel and reconnect the plug-in and clamp connections. Reattach the side panel to the central section. 10. Reassemble the device by performing the preparation steps in reverse order → 13. 11. Put the device back into operation and check the functions. Endress+Hauser...
- Page 24 Loosen the six Torx screws (5) securing the module to the side panel (Torx screwdriver T10). Remove the control module. In modules with heater: Disconnect the cables for the heater and fan (→ 27, 24, bottom) and remove the heater together with the fan. A0058370 27 Removing the control module Endress+Hauser...
- Page 25 A0058371 28 Removing the keypad electronics Turn the keypad electronics so the ribbon cable connector becomes accessible. Unlock the clamp connector (2) of the ribbon cable and unplug the cable → 29, 26. Endress+Hauser...
- Page 26 Detach the hinges on the housing side. The hinges are only inserted on both sides and can simply be pulled out. If necessary, use a combination pliers (1). The new cover is supplied including hinges. Insert the hinges, close the cover and hand- tighten the knurled screws. Endress+Hauser...
- Page 27 Unplug the temperature sensor connector (1) and remove the sensor. Wind up the temperature sensor cable and secure it with a tie. Secure the new temperature sensor in the small cable gland (→ 31, 28, right) and reconnect the connector. Endress+Hauser...
- Page 28 EA01612C A0058374 31 Kit CAT820/860 temperature sensor Additional documentation Detailed information on the device can be found in the Operating Instructions for the transmitter and in the other documentation available via: • www.endress.com/device-viewer • Smartphone/tablet: Endress+Hauser Operations app Disposal...
- Page 32 *71704367* 71704367 www.addresses.endress.com...
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