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Blood and

Fluid Warmer

®

Maintenance, Testing
and Calibration

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Summary of Contents for Hotline

Page 1: ...Blood and Fluid Warmer Maintenance Testing and Calibration ...

Page 2: ...ly a small amount of silicone grease Smiths Medical Part Number EZL 80 04 002 to the O Rings in the Disposable Set connector block If this does not solve the problem reject the unit After each use Wipe all external surfaces of the HOTLINE with a soft cloth using an aqueous solution of mild detergent If necessary the external surfaces may be disinfected using a solution of 10 bleach in distilled wa...

Page 3: ...ir work it will need to undergo a more thorough test and recalibration sequence This is detailed on page 64 and onwards Recirculating Solution At 30 day Intervals At 12 month Intervals Sterile Distilled Water Visual Inspection Lubricate O Ring Seals Replace Recirculating Solution Test All Alarms Replace O Ring Seals Replace Recirculating Solution Verify Temperature Calibration Electrical Safety Te...

Page 4: ...O Ring Seals with a cotton swab applying a small amount of silicone grease to the O Rings Either if using DISTILLED WATER as the recirculating solution Drain and replace the recirculating solution as described on page 54 or if using ISOPROPYL ALCOHOL as the recirculating solution Drain and replace the recirculating solution as described on page 56 Finally Fill in sign and date the maintenance log ...

Page 5: ...t is free from kinks and twists Plug the unit into the electricity supply and switch on Verify that the unit is working normally recirculating solution circulating temperature display gradually rising towards 41 C General Alarm Test Press the General Alarm Test button Observe the GREEN LED extinguishes the THREE RED LEDs light up the AUDIBLE ALARM commences beeping the RECIRCULATING SOLUTION cease...

Page 6: ...e GREEN LED extinguishes the RED Over Temperature LED lights up the AUDIBLE ALARM commences beeping the RECIRCULATING SOLUTION ceases circulating If any of the above responses are missing the unit must be removed from service and repaired Recirculating Solution Level Alarm Remove the Fill Port plug Using a non magnetic tool gently depress the float switch arm Figure 5 1 Depressing the float switch...

Page 7: ...t switch Disposable Set Interlock Alarm While the unit is working normally gently ease the Disposable Set away from the interlock block Be aware that a small amount of recirculating solution may escape during this test Before the Disposable Set is fully disconnected the alarm should operate Observe that the GREEN LED extinguishes the RED Interlock Alarm LED lights up the AUDIBLE ALARM commences be...

Page 8: ... Remove the socket head screws with an 1 8 inch Allen key Remove the disposable interface block being careful of the microswitch lever Using a cotton swab remove the old O Rings and clean out the empty sockets GM 0163_8501 GB A Figure 5 3 Revealed the O Rings in their niches Figure 5 2 Getting access to the O Ring Seals ...

Page 9: ...g lever A kit of parts is available to make this task simpler Please ask for part number reference EZL 80 04 001 Either if using DISTILLED WATER as the recirculating solution Drain and replace the recirculating solution as described on page 54 or if using ISOPROPYL ALCOHOL as the recirculating solution Drain and replace the recirculating solution as described on page 56 or if using HYDROGEN PEROXI...

Page 10: ...months or 30 days depending on the composition of your recirculating solution you will need supplies of ready mixed solutions to perform maintenance To make up a batch 1 4 litres of solution you will need Formula 1 140ml of 3 Hydrogen Peroxide PLUS 1260ml distilled water This may be used as a disinfectant fluid for flushing the recirculating solution path during routine maintenance or as a long li...

Page 11: ...t flushing solution made to one of the formulae shown in the blue panel above Do not fill the HOTLINE reservoir with a Disposable Set in place as this may result in an airlock in the HOTLINE warmer Connect a Disposable Set to the HOTLINE Plug the Unit in and switch on Allow the disinfectant solution to circulate for 30 minutes Drain Tube in deployed posn Drain Tube End Cap Fill Port Pole Clamp Int...

Page 12: ...f mineral deposits in the recirculating solution path which may impair heater performance Changing Recirculating Solution Isopropyl Alcohol Since the Isopropyl Alcohol solution gradually loses potency it must be replaced at the 30 day service interval using the following procedure Prepare two batches of 1 4 litres of recirculating solution according to formula 2 above for 35 Isopropyl Alcohol main...

Page 13: ... always use the correct mix of Isopropyl Alcohol and Distilled water Changing Recirculating Solution Hydrogen Peroxide At the annual routine service interval the Hydrogen Peroxide solution must be replaced as follows Prepare two batches of 1 4 litres of recirculating solution according to formula 1 above for 0 3 Hydrogen Peroxide maintenance solution Drain the HOTLINE and refill with one of the pr...

Page 14: ...ccurately verify the displayed recirculating solution temperature you will need a HOTLINE HLTA 40 TEMP CHECK thermometer This bespoke unit is inserted into the recirculating solution flow and reads the temperature directly from the recirculating solution as it leaves the heater element and internal thermistor sensors This is the point at which the recirculating solution is at its highest temperatu...

Page 15: ... into the Auxiliary Outlet socket of the HOTLINE NOTE The Auxiliary Outlet is for use only with approved accessories supplied by your Smiths Medical distributor for that purpose Run the HOTLINE for 15 minutes to allow the temperature to stabilise Verify that the TEMP CHECK indicates a recirculating solution tempera ture between 41 C and 42 C The HOTLINE s display indicates the same temperature If ...

Page 16: ...s with Smiths Medical s recommended protocol of having a 12 month interval between solution changes and using a disinfectant mixture as the recirculating solution on a permanent basis In some territories Hydrogen Peroxide may not be readily available or it may be that it is not included in the establishment s preferred protocols If that is the case and it is still necessary to maintain a disinfect...

Page 17: ...6 G H G 8DG9 86G9 DG I H DIA C CDL B T 7 6 B D C I B D C I B D C I B D C I B D C I B D C I B D C I B D C I B D C I B D C I B D C I B D C I Jc i HZg Va CjbWZg 9ViZ d 6Xfj h i dc Bdci lVh l Zc4 GZeaVXZ D G c HZVah KZg n IZbeZgVijgZ 8Va WgVi dc Adl GZX gXjaVi c Hdaji dc 6aVgb IZhi ciZgadX 6aVgb IZhi 8 Vc Z GZX gXjaVi c Hdaji dc gZVhZ D G c HZVah ZcZgVa 6aVgb IZhi DkZg IZbeZgVijgZ IZhi ...

Page 18: ... H G 8DG9 86G9 DG I H DIA C CDL B T 7 6 B D C I B D C I B D C I B D C I B D C I B D C I B D C I B D C I B D C I B D C I B D C I B D C I Jc i HZg Va CjbWZg 9ViZ d 6Xfj h i dc Bdci lVh l Zc4 GZeaVXZ D G c HZVah KZg n IZbeZgVijgZ 8Va WgVi dc Adl GZX gXjaVi c Hdaji dc 6aVgb IZhi ciZgadX 6aVgb IZhi 8 Vc Z GZX gXjaVi c Hdaji dc gZVhZ D G c HZVah ZcZgVa 6aVgb IZhi DkZg IZbeZgVijgZ IZhi ...

Page 19: ...ZX gXjaVi c Hdaji dc 6aVgb IZhi ciZgadX 6aVgb IZhi 8 Vc Z GZX gXjaVi c Hdaji dc gZVhZ D G c HZVah ZcZgVa 6aVgb IZhi DkZg IZbeZgVijgZ IZhi GZX gXjaVi c Hdaji dc h nYgd Zc EZgdm YZ HI6GI 6 G H G 8DG9 86G9 DG I H DIA C CDL B T 7 6 B D C I B D C I B D C I B D C I B D C I B D C I B D C I B D C I B D C I B D C I B D C I B D C I Jc i HZg Va CjbWZg 9ViZ d 6Xfj h i dc Bdci lVh l Zc4 GZeaVXZ D G c HZVah KZg...

Page 20: ...any internal components not specified in this procedure CAUTION The Auxiliary Outlet is for use only with approved accessories supplied by your Smiths Medical distributor for that purpose CAUTION Do not fill the HOTLINE reservoir with a Disposable Set in place Failure to remove the Disposable Set before the fill procedure may result in an airlock in the HOTLINE warmer NOTE When filling the HOTLINE...

Page 21: ...proceed with this calibration procedure iii Remove the Disposable Set install the Temp Check to the unit and re attach the Disposable Set iv Remove case front Confirm that J201 is in the 40 position See Appendix 2 Check For Leaks i Observe that the fluid is circulating in the HOTLINE reservoir ii Check all fittings and seams in the recirculating system for leaks Interlock Switch Test i Slowly rele...

Page 22: ...oat switch which is located inside the reservoir with a non magnetic float switch probe ii The Recirculating Solution Level warning LED should light and the alarm will be audible The Green Operational LED and the pump should turn off iii Release the float switch and the system will once more become operational Set Recirculating Solution Temperature Used to align the displayed temperature with the ...

Page 23: ...m Set Point i Adjust the LCD adjustment pot so the LCD reads 43 1 C If the alarm activates before the display reaches 43 1 then adjust the over temperature pot clockwise until the alarm turns off and continue adjusting LCD ii Adjust the over temperature pot counter clockwise until the alarm sounds iii Adjust the LCD adjustment pot counter clockwise and confirm that the alarm deactivates iv Adjust ...

Page 24: ...isplay is stable for a further 5 minutes ii Record the ambient room temperature which should be 22 0 C 2 0 C If it is out of this range you can not complete this calibration You must start a fresh calibration sequence Safety Test i Safety test the HOTLINE in accordance with the Electrical Safety Testing System normally used by your establishment Test Completion i Drain the distilled water and refi...

Page 25: ...oth in the U S A and in the U K to set a nominal temperature of 42 C In other territories a different set point 40 C may be adopted as the normal setting For reference the details for the alternative Nominal Temperature adjustment set points are shown here Nominal Temperature Water Temperature paragraph 6 Over Temperature Set Point paragraph 7 40 39 9 41 1 42 41 9 43 1 ...

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