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Biosense Inc.

2616 Peartree Lane

San Jose, CA 95121

800-941-2844

RECIRCULATOR II (Part No. 9431)

User and Service Manual

4

th

Edition, Revised 3/20

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Summary of Contents for 9431

Page 1: ...Biosense Inc 2616 Peartree Lane San Jose CA 95121 800 941 2844 RECIRCULATOR II Part No 9431 User and Service Manual 4th Edition Revised 3 20...

Page 2: ...Recirculator II User and Service Manual 1...

Page 3: ...he Recirculator II 4 Servicing the Motor 5 Changing the Filters 6 HEPA Filter Replacement 7 Pre Filter Replacement 8 Cleaning the Recirculator II 8 Appendix A Negative Pressure Adapter Part No 9405 9...

Page 4: ...A filters should not be touched as the filter fabric can easily be nicked or torn which will impair their efficiency 5 Check the interior for loose parts or any signs of damage Testing the Unit To tes...

Page 5: ...lator II is equipped with a two speed blower controlled by a dual position switch High Off Low At the High speed upper position the unit will purify about 575 cfm with new clean filters installed At t...

Page 6: ...tions the motor bearings should be re lubricated every six months with 10 or 20 drops of SAE 10W or 20W non detergent oil ML type or with electric motor oil Refer to diagram at the end of this manual...

Page 7: ...culator II are an extruded aluminum frame enhanced performance HEPA filter designed to provide approximately 575 cfm when new at a pressure differential of about 0 60 0 65 inches w c When the pressure...

Page 8: ...old filter a Turn a waste bag inside out and lay it on top of the filter to be replaced b Grasp the top of the filter with the bottom of the bag c Slowly withdraw the filter while rolling the inverted...

Page 9: ...er the filter 4 Seal the bag and dispose of it properly 5 Insert slide in a new filter noting the direction of airflow arrow should point up and secure the catch NOTE The Recirculator II s performance...

Page 10: ...ng the Negative Pressure Adapter Unpack the NPA 270 and inspect for damage The two insertion pins contain manufactured bends but should extend parallel with the face of the unit The following are gene...

Page 11: ...taff HVAC personnel or independent HVAC contractors may now attach appropriate ductwork to the NPA 270 outlet in order to exhaust airflow from the area It should be noted that once fitted with the NPA...

Page 12: ...ility in all events is limited to and shall not exceed the purchase price paid Prompt Disposition Biosense will make a good faith effort for prompt correction or other adjustment with respect to any p...

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