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F90A,B
Self-Contained
Commercial Electronic Air Cleaner
PRODUCT DATA
FEATURES
• Removes up to 95 percent of the staining dirt from the air,
as measured by the Initial Dust Spot Method using
atmospheric dust; refer to the American Society of
Heating, Refrigerating, and Air Conditioning Engineers
(ASHRAE) Standard 52-76.
• Provides Coanda air distribution by drawing in dirty air
from below, cleaning it electronically, and discharging the
clean air in four directions parallel with the ceiling.
• Th
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F90A,B SELF-CONTAINED COMMERCIAL ELECTRONIC AIR CLEANER Current and Power Consumption: SPECIFICATIONS Mg odelF) an SettinC) urrent (A Power (W IMPORTANT The specifications given in this publication do not H6 I 20 . 27 include normal manufacturing tolerances. Therefore, F90A, 120 a particular unit may not exactly match the listed M0 ED 25 . 21 specifications. Also, this product is tested and Vac, 60 Hz calibrated under closely controlled conditions, and L8 OW 15 . 18 some minor differences in per
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F90A,B SELF-CONTAINED COMMERCIAL ELECTRONIC AIR CLEANER Shipping and Installation Weight: 19-1/4 (489) 14-1/2 (386) Ms odel Ps ound Kilogram Heavy Duty 9) .2 (Each) 4.2 (Each Commercial Cell LATCHES F90A S0 hipping Weight75 0. 31. 24 (610) 16 I0 nstalled Weight65 5. 29. (406) 29-1/4 POWER (743) CORD Dimensions: See Figs. 1 and 2. 3 (76) Approvals: Underwriters Laboratories Inc. listed: File No. E30954, 3-1/4 8 Guide No. AGGZ (120 Vac units only). (83) (203) Canadian Standards Association l
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F90A,B SELF-CONTAINED COMMERCIAL ELECTRONIC AIR CLEANER The F90 is equipped with two standard light-emitting diodes This sizing information in the following Examples 1, 2, and 3 (LEDs) and one optional LED. was generated using the ASHRAE Handbook of ON LED: Lights when the solid state power supply is Fundamentals, 1990 and the ASHRAE Standard 62-1989, powered and operating normally. Ventilation for Acceptable Indoor Quality. These examples CHECK LED: Lights if the F90 requires service or if the
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F90A,B SELF-CONTAINED COMMERCIAL ELECTRONIC AIR CLEANER F90 F90 F90 F90 F90 M923 Fig. 5. F90 Coanda air flow pattern. F90 Outdoor Air ASHRAE Standard 62-89 specifies that every commercial DANCE FLOOR space be provided with fifteen cfm per occupant of outdoor air to replenish oxygen and dilute CO2. If other internal F90 F90 STAGE sources of gaseous contamination are present, additional T outside air is needed to dilute the contamination. A B EXAMPLE: An office requires 20 cfm per person because F
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F90A,B SELF-CONTAINED COMMERCIAL ELECTRONIC AIR CLEANER Example 2. Sizing by Occupant Load A cocktail lounge averages 85 occupants. How many F90As should be installed? Solution: F90As Required = ASHRAE Recommended Air Circulation/Minute F90A Capacity 3 1. ASHRAE recommended minimum air circulation is 30 cubic feet per minute (cfm) (0.85 m /minute) per person. For 85 3 3 people, the recommended air circulation would be: 85 people x 30 cfm (0.85 m /minute) per person = 2550 cfm (72 m minute). 3
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F90A,B SELF-CONTAINED COMMERCIAL ELECTRONIC AIR CLEANER IMPORTANT CAUTION 1. When mounting near walls, allow at least 16 in. (406 Do not connect the power supply until F90 is mm) for cell installation and removal and 15 in. (381 mounted. If the F90 is powered before an electrical mm) for cover installation and removal. See Fig. 7. check, be extremely careful to avoid electrical shock. 2. Select a structurally strong part of the ceiling or wall Also, take care when working near the F90 moving fo
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F90A,B SELF-CONTAINED COMMERCIAL ELECTRONIC AIR CLEANER 1. LOCATE WASH LED CUTOUT BEHIND 2. USE A KNIFE TO CUT A HOLE IN SWITCH COVER ASSEMBLY STICKER. THE STICKER. INSERT LED INTO LENS FROM BACK 3. PUSH LED LENS INTO PLACE. 4. OF THE SWITCH COVER ASSEMBLY. 5. ATTACH NEW STICKER TO SWITCH 6. REINSTALL SWITCH COVER ASSEMBLY COVER ASSEMBLY. SCREWS. M6832 Fig. 6. Installing the WASH LED. 68-0103-6 Revised 11-07 8
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F90A,B SELF-CONTAINED COMMERCIAL ELECTRONIC AIR CLEANER F90A F90B 19-1/4 (489) 29-1/4 (743) 24 (610) 14-1/2 (368) 7/8 (22) DIAMETER 4 KNOCKOUT 16 (406) (102) LATCHES 29-1/4 24 (743) (610) 24 16 (610) 16 (406) 29-1/4 (406) POWER (743) CORD 2 (51) 3 (76) 3-1/4 8 (83) (203) 9 (229) 2 5-3/4 (146) 1 2 7 (178) 1 KEYHOLE 3/8 (10) DIAMETER 1 ALLOW AT LEAST 16 INCHES (406 MILLIMETERS) FROM FRONT OF F90 TO WALL FOR INSTALLATION AND REMOVAL OF CELLS. 3/4 (19) 2 ALLOW AT LEAST 9 INCHE
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F90A,B SELF-CONTAINED COMMERCIAL ELECTRONIC AIR CLEANER 2 x 4 INCH (51 x 102 mm) SELF-CLINCHING OR EQUIVALENT PEM STUD: CROSS PIECE TO NUT AND WASHER SUPPORT AIR CLEANER TOP AND BOTTOM 1-1/2 INCHES (38 mm) 1/16 INCH (2 mm) 1 2 7/8 INCH (22 mm) 1⁄4 INCH (6 mm) DIAMETER THREADED ROD 16 x 16 INCH 7/16 INCH (406 X 406 mm) (11 mm) SUSPENDED 19 x 19 INCH CEILING (483 X 483 mm) 5-1/2 (140 mm) 1 SELF-CLINCHING PEM STUDS (4) ON 16 INCH (406 mm) CENTERS, REMOVE 1-1⁄2 INCHES (38 mm) LONG
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BLACK F90A,B SELF-CONTAINED COMMERCIAL ELECTRONIC AIR CLEANER BOLT AND WASHER Permanent Wiring WALL BRACKET 1. Loosen the two screws and remove the plate covering the wiring compartment. 2. Remove the power cord. • Cut the black and white wires of the power cord, 1 MOUNT AS CLOSE leaving six inches from the electrical connector. TO CEILING AS Strip 1/2 in. (12 mm) insulation from the end of POSSIBLE each wire. • Cut the green wire flush with the electrical REMOVE VENTURI connector. CELLS
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F90A,B SELF-CONTAINED COMMERCIAL ELECTRONIC AIR CLEANER Installing Cover Check F90 Operation 1. Before installing, study the inside of the F90 cover. One end has two latches and the other has two hinge Turn on power. pins. To properly install the cover, connect the hinge Push the test button to assure the power supply is pins to the hinges. functioning at all three speeds. 2. Attach the hinge pins by lifting the cover above the Use the manual switch on the F90, manual wall switch, or hinge an
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F90A,B SELF-CONTAINED COMMERCIAL ELECTRONIC AIR CLEANER Cleaning the F90 Cleaning the Cell Using Alkaline Base Detergent The F90 removes a variety of contaminants from the air. As it cleans the air, the F90 cells and prefilters become dirty, lowering the cleaning efficiency. To maintain the F90 WARNING reliability and efficiency, regularly clean, inspect, and service Hazardous Chemical. the F90 cells and prefilters. Can cause personal injury. Wear rubber gloves, eye protection, and a rubber Clea
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F90A,B SELF-CONTAINED COMMERCIAL ELECTRONIC AIR CLEANER 9. Carefully wipe ionizer wires to remove any remaining Ce ontaminant Cleaning Procedur residue. 10. Check the collection plates of the cell for any detergent residue. If any residue is remaining, repeat the rinse An nimal Hair Dishwasher Detergent Solutio and detergent soaking process until collector plates are clean. Buildup can reduce the F90 efficiency. Carbon Dishwasher Detergent Solution (carbonblack, soot, lamp black, High Pressure W
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F90A,B SELF-CONTAINED COMMERCIAL ELECTRONIC AIR CLEANER HIGH VELOCITY DETERGENT SPRAY STEAM M1541 Fig. 16. Reinstalling F90 cells. REPLACING AN IONIZER WIRE. M677B Fig. 15. Using high velocity water or steam to clean cells. 6. Slide the cells into the channel guides until they touch the backstop of the F90. Assure the cell airflow arrow is pointing toward the fan. In this position, the ionizer wires are facing downward (away from the fan). 7. Slide the prefilters into the channel guides until t
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F90A,B SELF-CONTAINED COMMERCIAL ELECTRONIC AIR CLEANER If desired, the ozone generated by the F90 can be reduced in one of two ways: • Install the optional activated carbon filters. Tools And Equipment • Open the cover and move the F90 performance switch to the LO setting. Close the cover. With the switch in LO, the Troubleshooting the F90 requires: cleaning efficiency is reduced 5 to 15 percent, depending • Needlenose pliers for stringing ionizer wires and inserting on airflow. edge connectors
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F90A,B SELF-CONTAINED COMMERCIAL ELECTRONIC AIR CLEANER WARNING START RISK OF ELECTRIC SHOCK THESE SERVICING INSTRUCTIONS ARE FOR USE BY QUALIFIED PERSONNEL ONLY. TO REDUCE RISK OF ELECTRIC SHOCK, DO NOT PERFORM ANY SERVICING OTHER THAN CONTAINED IN THE OPERATING MAKE SURE CELLS INSTRUCTIONS UNLESS YOU ARE QUALIFIED TO DO SO. ARE CLEAN, DRY, PROPERLY INSTALLED. YES REPLACE SWITCH. TURN AIR CLEANER OFF. OPEN COVER. "ON" LED OFF/FAN OFF DEFEAT INTERLOCK. CHECK FOR INPUT CLOSE COVE
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F90A,B SELF-CONTAINED COMMERCIAL ELECTRONIC AIR CLEANER ELECTRONIC AIR CLEANER POWER BOX SECURING SCREWS (5) POWER BOX POWER BOX COVER POWER BOX COVER SECURING SCREWS (5) NOTE: SCREWS ONLY NEED TO BE LOOSENED, NOT REMOVED. M2422A Fig. 21. Removing the F90 Power Box Assembly. 68-0103-6 Revised 11-07 18
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WHITE RED BLACK BLACK WHITE RED F90A,B SELF-CONTAINED COMMERCIAL ELECTRONIC AIR CLEANER BLACK COLLECTOR TEST RED IONIZER BUTTON RED POWER SUPPLY CONTACT BOARD P3 PERFORMANCE BLACK SWITCH P4 BLACK CHECK J2 (RED) 2 3 BLACK P21 4 P22 3 WASH 1 (YELLOW) P2 ON P1 (YELLOW) ON-OFF/3-SPEED FAN SWITCH WIRING TERMINALS PUSH BUTTONS BROWN HI ON VIOLET MED HI BLUE LO MED RED OFF LO 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. FAN MOTOR 2 INT
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WHITE BLACK RED BLACK WHITE F90A,B SELF-CONTAINED COMMERCIAL ELECTRONIC AIR CLEANER BLACK COLLECTOR TEST RED IONIZER BUTTON RED POWER SUPPLY CONTACT P3 BOARD PERFORMANCE 5 BLACK SWITCH P4 ON (YELLOW) 2 WASH (YELLOW) RED CHECK (RED) ORANGE BLACK WHITE LAMP 4 WHITE A5 A3 OFF A6 A4 BROWN WHITE B3 B1 LO RED B4 B2 1 TERMINAL BOARD FOR POWER SUPPLY CONNECTIONS. POWER SUPPLY. PROVIDE DISCONNECT MEANS C3 C1 AND OVERLOAD PROTECTION AS REQUIRED. MED BLUE C4 C2 2 BROWN LEAD MU
