Transition must be planned for each job. Reduction should not be more than 4 inches per linear foot, approximately 20 angular degrees (Figure 3). AIR FLOW C B A Figure 4 LOCATING THE AIR FILTER AN AIR FILTER MUST BE MOUNTED IN THE RETURN AIR DUCT OF A CENTRAL FORCED-AIR SYSTEM, ON THE AIR ENTERING SIDE OF FURNACE. Figure 3 Model NO. ACM1000M-XXX ACM1400M-XXX ACM1600M-XXX ACM2000M-XXX A LENGTH 19-13/16 24-13/16 19-13/16 24-13/16 B HEIGHT C WIDTH CFM RATING 18-5/16 5-7/16 600 TO 1200 18-5/16 5-7/1

3. Set the compartment next to the furnace (if possible) to match the opening in the compartment. If the furnace opening cannot be enlarged, a transition fitting should be used. (Figure 3). The compartment can be attached directly (Figure 12), or a starting collar can first be fitted to the furnace inlet. A butt or slip joint can be used. Securely attach the compartment to furnace inlet, using at least two of the mounting holes on each side of the compartment. 4. Using butt joint, attach duct wo

TABLE OF CONTENTS Rules for Safe Installation and Operation ......................2 How the Air Filter Works ................................................3 Construction of the Air Filter Compartment ...................3 Preinstallation ................................................................ 4 Installation ..................................................................... 6 Maintenance .................................................................. 6 Before installing the filter

White-Rodgers is a division PART NO. 37-7001A of Emerson Electric Co. INTRODUCTION The Emerson Media Air Cleaner comes complete with a 4” media furnace air filter. This filter must be changed every three to six months to maintain efficiency of the filter and furnace system. Please read instructions before installing and using the Air Filter Compartment. CAUTION ! WARNING ! The fi ber filter used in this cabinet for air cleaning must be replaced every 90 to 180 days. Your heating and cooling effi