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Carrier 31MF, Installation And Operating Instructions, Page: 4 / 4

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Carrier 31MF Installation And Operating Instructions Download Page 4

Copyright 1991 Carrier Corporation Indpls, IN 46206

19011

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Book 1

4

Tab

7a 9a

PC 101

Catalog No. 533-132

Printed in U.S.A.

Form 31MF-2SI

Pg 4

12-91

Replaces: 31MF-1SI

Summary of Contents for 31MF

Page 1: ...nd property damage INTRODUCTION The Model 31MF High Efficiency Mechanical Air Cleaner is designed for installation in the return air duct of any forced air heating and or cooling system It is designed for use in systems with airflow up to 2000 cfm For higher airflows additional units may be required The Model 31MF is a mechanical air cleaner incorporating 78 sq ft of glass microfiber filter media ...

Page 2: ...t airflow gage by rotating range adjustment plug until ball hovers at tip of lower arrow See Fig 4 When the air cleaner media begins to become clogged and dirty the ball will move up the gage When the ball is in the red range shown on the condition indicator card the air cleaner should be serviced Step 3 Install Filter Media in Air Cleaner Cabinet NOTE These instructions should also be followed wh...

Page 3: ...c pleat spacers being careful to insert one support finger between each pleat Press the pleat spacers down firmly to fully engage guide pin at each end See Fig 6 6 Slide assembled media frame into air cleaner cabinet Be sure airflow arrow on media frame is in same direction as arrow in cabinet Plastic pleat spacers are always on downstream side of filter media Attach outer cover and tighten thumb ...

Page 4: ...9011 Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Book 1 4 Tab 7a 9a PC 101 Catalog No 533 132 Printed in U S A Form 31MF 2SI Pg 4 12 91 Replaces 31MF 1SI ...

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