Honeywell F50e1281, F50e1166, F50e1073, F50e1158, F50e1141 Product Data
...
Duct Mounted Electronic Air Cleaner
APPLICATION
The F50E high efficiency electronic air cleaner is mounted in
the return air duct of a forced air heating, cooling, or
ventilating system. It captures a significant amount of the
airborne particles 0.5 microns and larger from the air
circulated through it.
F50E
PRODUCT DATA
FEATURES
•Available in two sizes to fit most ducts; adapts to air
flow from either side.
• Has two cells.
• Capacity of 1400 cfm (2380 m
(3400 m
• Solid state power supply is self-regulating and
maintains peak efficiency over a wide range of cell dirt
loading conditions.
• Pressure drop is approximately equal to that of a
regular fiberglass filter.
• Optional W8600E Solid State Performance Indicator
monitors air cleaner performance, reminds
homeowner when a cell and prefilter wash is past due,
and when to check system.
• Electronic cells can be washed in most home
dishwashers.
• Remote mount kit is available for mounting power
supply and junction box separately when access
space is not available.
• Galvanized cabinet protects against rust.
•Automatic interlock switch disconnects power and
discharges cell when door is opened.
•Test button checks system operation.
•Troubleshooting guide mounted inside cell access
door.
•Permanent wash reminder schedule mounted on top
of power supply box.
• Prefilter screens protect cells from large dirt particles.
3
hr), depending on size.
3
/hr) or 2000 cfm
Copyright © 1998 Honeywell Inc. • All Rights Reserved
Contents
Application........................................................................... 1
Features .............................................................................. 1
Specifications ...................................................................... 2
Ordering Information ........................................................... 2
Planning The Installation ..................................................... 4
Installation ........................................................................... 8
Checkout ............................................................................. 15
Service ................................................................................ 15
Electrical Troubleshooting ................................................... 18
Parts List ............................................................................. 22
68-0072-5
F50E DUCT MOUNTED ELECTRONIC AIR CLEANER
SPECIFICATIONS
IMPORTANT
The specifications given in this publication do not
include normal manufacturing tolerances. Therefore,
this unit may not match the listed specifications
exactly. Also, this product is tested and calibrated
under closely controlled conditions, and some minor
differences in performance can be expected if those
conditions are changed.
Model:
F50E Electronic Air Cleaner. Includes cabinet, access door,
solid state power supply, junction box, 2 electronic cells and
2 prefilters.
Electrical Ratings:
Voltage and frequency: 120V, 60 Hz.
Power consumption: 33W maximum.
Current draw: See Table 1.
Ionizer voltage: 8150 Vdc.
Collector voltage: 4075 Vdc.
Table 1. F50E Current Draw.
F50E Size
in. mm
16 x 25 406 x 635 2 0.3 0.2
20 x 25 508 x 635 2 0.3 0.2
Capacity, Efficiency, Pressure Drop:
See Fig. 1.
No.
Cells
Maximum Current (A)
120V 240V or 220/240V
Temperature Ratings:
Operating Ambient: 40°F to 125°F (4°C to 52°C).
Temperature of Airflow through Cells: 40°F to 125°F
(4°C to 52°C).
Maximum Cell Washing Temperature: 220°F (140°C).
Storage and Shipping Ambient: -40°F to +140° F
(-40°C to +60°C).
Mounting:
Mounts in the return air duct of a forced air heating, cooling,
or ventilating system. Should be mounted upstream of
atomizing humidifier. See Planning the Installation.
Weight:
See Table 2.
Dimensions:
See Fig. 2.
Approvals:
Underwriters Laboratories Inc. Listed:
File No. E30954, Guide No. AGGZ.
Canadian Standards Association Certified:
File No. LR20633—L, Guide No. 2010.
Option:
W8600E Solid State Performance Indicator (SSPI).
Accessories:
S688A Sail Switch.
136377A Remote Mounting Kit for power supply and
junction box. Kit includes galvanized steel base (5 in.
[127 mm] wide x 16-1/2 in. [419 mm] long x 13/16 in.
[21 mm] deep), prewired flexible conduit with
connectors (10 ft. [3m] long), knockout plug, and
mounting hardware.
Repair Parts:
See Parts List section.
ORDERING INFORMATION
When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the
TRADELINE® Catalog or price sheets for complete ordering number .
1. Order number. 4. Accessories, if desired.
2. Voltage and frequency. 5. W8600E Solid State Performance Indicator (SSPI), if desired.
3. Dimensions: 16 x 25 or 20 x 25 in. 6. Model with or without solid state air flow switch.
(406 x 635 or 508 x 635 mm).
If you have additional questions, need further information, or would like to comment on our products or services, please write or
phone:
1. Your local Home and Building Control Sales Office (check white pages of your phone directory).
2. Home and Building Control Customer Relations
Honeywell, 1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386
In Canada—Honeywell Limited/Honeywell Limitee, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9. International Sales and
Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France, Germany, Japan, Mexico,
Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
68-0072—5
2
16 x 25 in.
(406 x 635 mm)
F50E DUCT MOUNTED ELECTRONIC AIR CLEANER
.25
(62.2)
.20
(49.7)
20 x 25 in.
(508 x 635 mm)
.15
(37.3)
.10
(24.9)
.05
PRESSURE DROP IN in. wc (Pa)
(12.4)
100
1
90
80
70
EFFICIENCY, PERCENT
60
50
400
(680)
1 EFFICIENCY RATINGS BASED ON NATIONAL BUREAU OF
STANDARDS INITIAL DUST SPOT METHOD USING ATMOSPHERIC
DUST, AND AMERICAN SOCIETY OF HEATING, REFRIGERATING
AND AIR CONDITIONING ENGINEERS STANDARDS 52-76.
2
500
(850)
600
(1020)
700
(1190)
3
800
(1360)
900
(1530)
1000
(1700)
Fig. 1. Air cleaner efficiency and pressure drop at various airflow rates.
Table 2. Shipping and Installation Weight.
1100
1200
(1870)
(2040)
CAPACITY IN cfm (m /hr)
20 x 25 in.
(508 x 635 mm)
16 x 25 in.
(406 x 635 mm)
1400
1300
(2210)
3
2 MINIMUM RECOMMENDED cfm FOR 16 x 25 in. (406 x 635 mm) MODEL.
3 MINIMUM RECOMMENDED cfm FOR 20 x 25 in. (508 x 635 mm) MODEL.
(2380)
1500
(2550)
1600
(2720)
1700
(2890)
1800
(3060)
1900
(3230)
2000
(3400)
0
M4686
Weight
16 x 25 in. (406 x 635 mm) 20 x 25 in. (508 x 635 mm)
lb. kg lb. kg
Electronic Cell (each) 6-1/2 3.0 8-3/16 3.7
Shipping Weight 38 17.2 43 19.5
Installed Weight (cells included) 33 15.0 38 17.2
3
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F50E DUCT MOUNTED ELECTRONIC AIR CLEANER
IN.
16 X 25
20 X 25
1-1/8
(29)
6-3/4 (171)
UNIT SIZE
MM
406 X 635
508 X 635
DIM. C
(SEE TABLE)
3-3/4
(95)
DIM. A
(SEE TABLE)
15/16
(24)
DIM. A
IN. MM IN. MM
17-3/4
21-3/4
450
553
14-3/8
18-3/8
DIM. B
5-9/16
DIM. D (SEE TABLE)
DIM. E (SEE TABLE)
10-7/16
365
10-7/16
467
(142)
DIM. C
IN. MM IN. MM
265
265
1
DIM. D
23-1/4
23-1/4
591
591
(SEE TABLE)
5/8
(16)
DIM. E
IN. MM
25-1/2
25-1/2
DIM. B
648
648
7/8
(22)
1 JUNCTION BOX AND POWER SUPPLY CAN BE REMOTE-MOUNTED USING 136377A REMOTE MOUNT KIT.
Fig. 2. Installation dimensions in in. (mm in brackets) of 2-cell electronic air cleaner.
PLANNING THE INSTALLATION
Application
The F50E is used in a forced air heating, cooling, or
ventilating system. It operates when the system blower is on.
Models with internal solid state air flow switch require only
line voltage connection. Models without the air flow switch can
be energized through the fan switch, a dpdt fan relay or an air
flow switch such as the S688 Sail Switch. Unless the F50E
with solid state air flow switch is used, an isolating fan relay or
air flow switch is required if the system has a multispeed or
modulating blower motor.
Review Installation Requirements
The air cleaner should be installed where all the air passing
through the system circulates through it. The best location is
in the return air duct next to the blower compartment so the
air cleaner can help keep the blower motor and evaporator
coils clean. Do not mount in the discharge air duct.
For most efficient air cleaning, airflow must be spread evenly
across the face of the air cleaner. If the duct is a different size
than the air cleaner cabinet, gradual transitions are
recommended. If the duct turns sharply just before the air
cleaner, turning vanes are recommended.
M4697
Applications with Air Conditioning
The air cleaner should be installed upstream of the
evaporator coil. The air cleaner helps keep the coil clean,
reducing maintenance. Also, if the air cleaner is downstream,
the high relative humidity of the cooled air leaving the
evaporator coil can cause water condensation on the cells,
reducing air cleaner efficiency.
Applications with a Humidifier
An evaporative humidifier can be mounted upstream of the air
cleaner. An atomizing humidifier should be mounted
downstream of the air cleaner, even though hard water salts
will be blown into the living space and deposited as dust. If an
atomizing humidifier must be mounted upstream of the air
cleaner:
1. Mount it as far as possible upstream of the air cleaner.
2. Install a standard disposable furnace filter between the
humidifier and the air cleaner to trap water droplets and
hard water salts.
3. Clean the air cleaner frequently to prevent a hard water
salt buildup.
4. Note that the volume of water that passes through an
atomizing humidifier can overload the air cleaner,
resulting in hard water salts being deposited as dust in
the living space.
68-0072—5
4
Applications with an Activated Carbon Filter
If desired, an activated carbon (charcoal) filter can be used to
remove odors or other gaseous contaminants (not particlebased), which are not removed by the air cleaner. Locate the
carbon filter:
•Downstream from the air cleaner. This means, of course,
that dust from the carbon filter will not be collected by the
air cleaner and will be deposited in the living space.
• Outside the air cleaner cabinet. Some carbon filters are
combustible, and contact with high voltage could result in
smoke or fire.
• Where carbon granules cannot fall into the electronic
cell(s). Use a disposable furnace filter if necessary
between the carbon filter and the electronic cell(s).
• With proper transitions, if the activated carbon filter
requires a different size duct than the air cleaner. Allow
20 degrees expansion per side, per fitting.
Applications with Outdoor Air Intake
Return air temperature must be at least 40°F (4°C). Lower
temperatures can cause ionizer wire failure. If outdoor air is
used, warm it ahead of the air cleaner by:
• Making sure the outdoor intake is far enough ahead of the
air cleaner so the return and outdoor air is thoroughly
mixed. Stratified air can dump a stream of very cold air into
one section of the air cleaner.
• Adding baffles ahead of the air cleaner to force thorough
air mixing.
• Installing a preheater, if large amounts of outdoor air are
used. The preheater, which could be an electric strip
heater or hot water coil, should be controlled by a
thermostat. Hot water or steam coils should be protected
by a freeze-up control.
F50E DUCT MOUNTED ELECTRONIC AIR CLEANER
M6028A
Fig. 3. Highboy furnace, side installation,
air cleaner is mounted vertically where
return enters side inlet of furnace.
Choose Location
Choose a location that is readily accessible for regular
inspection and cleaning. Allow at least 13 in. (330 mm) in front
of the access door for removing the prefilters and electronic
cells. Allow enough room above the power supply so the
power supply can be serviced without removing pipes, ducts,
or other heating system components.
The air cleaner
not exceed the ratings in the SPECIFICATIONS section.
must
be installed where the temperature will
Choose Mounting Position
WARNING
Heavy Equipment.
Can cause injury or equipment damage.
If the access door faces down, the latch may not hold,
and the cells and prefilters can fall unexpectedly. Also,
nothing holds the cells and prefilters in place once the
access door is opened.
The air cleaner can be mounted in any position except with
the access door facing down. Figs. 3-10 show proper air
cleaner mounting with a variety of furnace installations.
1
1 ALLOW AT LEAST 2 IN. (51 MM) BETWEEN TOP
OF POWER BOX NAD ADJACENT WALL.
Fig. 4. Highboy furnace. Installation beneath furnace
(air cleaner cabinet can easily support weight of
furnace and air conditioner coil). Air cleaner is mounted
horizontally where return enters from below.
M4691
5
68-0072—5
F50E DUCT MOUNTED ELECTRONIC AIR CLEANER
1
2
1
ALLOW AT LEAST 13 IN. (0.3M) CLEARANCE BETWEEN ACCESS
DOOR AND WALL FOR CELL AND PREFILTER MAINTENANCE.
2
LOCAL CODES MAY PRESCRIBE GRILLE DESIGN AND PROVISION
FOR MAKE UP AIR. A SEAL FROM F50 TO GRILLE MAY BE REQUIRED.
Fig. 5. Highboy furnace. Closet installation. Air cleaner is
mounted vertically on furnace between furnace and
louvered return air opening in closet door.
M4695
1
ACCESS TO AIR CLEANER FROM ATTIC IS REQUIRED FOR CELL
1
AND PREFILTER MAINTENANCE. CONSIDER USING F52E
CEILING MOUNT AIR CLEANER.
M4690
Fig. 7. Horizontal furnace. Air cleaner is mounted
horizontally above ceiling. Unless air cleaner is
easily accessible from attic, consider using F52
ceiling mount air cleaner instead.
2
1
ALLOW AT LEAST 2 IN. (51 MM) CLEARANCE BETWEEN POWER
BOX AND FLUE PIPE.
ALLOW AT LEAST 13 IN. (0.3M) CLEARANCE BETWEEN ACCESS
2
DOOR AND WALL FOR CELL AND PREFILTER MAINTENANCE.
Fig. 6. Lowboy furnace. Air cleaner is mounted
horizontally in return plenum just above
furnace, opposite supply plenum.
68-0072—5
1
M4687
Fig. 8. Horizontal furnace. Air cleaner is mounted
vertically in the return duct near the furnace.
Note transition.
M4692
6
F50E DUCT MOUNTED ELECTRONIC AIR CLEANER
Determine Sheetmetal Requirements
1
2
The air cleaner is adaptable to all new or existing residential
forced air heating, cooling and ventilating systems.
Sheetmetal transitions, turning vanes, or offsets may be
needed in some applications.
Transitions
Tr ansitions are needed when the duct is a different size than
the air cleaner cabinet. Gradual transitions reduce air
turbulence and increase efficiency. Limit expansion to
20 degrees (about 4 in. per running foot [100 mm per 300
linear mm]) on each side of a transition fitting. See Fig. 11.
20 DEGREE EXPANSION
PER SIDE. PER FITTING
(4 IN. PER RUNNING
FOOT [100 MM PER
300 LINEAR MM])
RETURN AIR
DUCT
TRANSITION FITTING
AIR CLEANER
CABINET
Fig. 11. Change duct size gradually
to minimize turbulence.
M6026
IN CLOSET INSTALLATION, AIR CLEANER MUST BE BELOW TOP OF
1
DOOR FRAME FOR CELL AND PREFILTER MAINTENANCE.
2
IF FLUE PIPE IS IN FRONT OF AIR CLEANER, ALLOW AT LEAST
13 IN. (0.3 M) CLEARANCE BETWEEN ACCESS DOOR AND FLUE PIPE.
M4688
Fig. 9. Counterflow furnace. Air cleaner is mounted
horizontally in return duct or plenum just above furnace.
ALLOW AT LEAST 13 in. (0.3 m) CLEARANCE BETWEEN ACCESS DOORS
1
AND ANY OBSTRUCTION FOR CELL AND PREFILTER MAINTENANCE.
M4689
Fig. 10. High capacity system. Two or more air cleaners
can be used together. At least 13 in. (0.3m) clearance is
required between access doors and walls for cells
and prefilter maintenance.
Turning Vanes
If the air cleaner is installed close to an elbow or angle fitting,
install turning vanes inside the angle to distribute airflow more
evenly across the face of the cells. See Fig. 12.
TURNING
VANES
M5651
Fig. 12. Turning vanes installed in a bend help distribute
airflow evenly over the face of the electronic cells.
7
68-0072—5
F50E DUCT MOUNTED ELECTRONIC AIR CLEANER
Offsets
If the duct connection to the furnace in a side installation
allows less than 7 in. (178 mm) for mounting air cleaner
cabinet, shorten the lateral trunk or add an offset to the elbow.
See Fig. 13.
LESS
THAN
7 INCHES
(178 MM)
1 REQUIRED TURNING VANES HELP DISTRIBUTE AIRFLOW EVENLY.
OFFSET
AT LEAST
7 INCHES
1
(178 MM)
M6027A
Fig. 13. Typical use of duct offset to make room
for electronic air cleaner.
INSTALLATION
When Installing this Product…
1. Read these instructions carefully. Failure to follow them
could damage the product or cause a hazardous
condition.
2. Check the ratings given in the instructions and on the
product to make sure the product is suitable for your
application.
3. Installer must be a trained, experienced service
technician.
4. After installation is complete, check out product
operation as provided in these instructions.
CAUTION
Electric Shock Hazard.
Can cause electrical shock or equipment damage.
Disconnect power supply before installing air cleaner.
Unpack Electronic Air Cleaner
❑ Check that all components are included. The electronic air
cleaner is shipped assembled. See Fig. 14. The unit
consists of:
• Galvanized steel cabinet.
•Power supply with on-off switch and neon light.
•Junction box.
•Two electronic cells.
•Two prefilters.
• Access door with test button.
• Literature package.
❑ W8600E (optional) and mounting hardware must be
ordered separately.
ON-OFF SWITCH WITH NEON LIGHT
WASH REMINDER SCHEDULE
POWER SUPPLY
ACCESS DOOR
OPTIONAL W8600E WALL PANEL
JUNCTION BOX
CABINET
ELECTRONIC
CELLS
PREFILTERS
TEST
BUTTON
M7682
Fig. 14. Components of the F50E Air Cleaner
(2-cell model shown).
Clean Blower Compartment
❑ Remove and discard the existing furnace filter.
❑ Thoroughly clean the blower compartment.
❑ If possible, power vacuum ductwork to remove accumulated
dust in existing home, or construction dirt in a new home.
The electronic air cleaner cannot remove dust that has
settled in the blower compartment and distribution ducts.
❑ Check the edges of the furnace fan blades for dirt buildup
and clean as necessary. The fan will not deliver the rated
cfm if the blades are dirty.
Review the Installation Plan
❑ Temporarily place the cabinet on the floor; position as it will
be when installed.
❑ Remove and set aside the access door, electronic cells
and prefilters, checking that the selected location provides
enough clearance for easy removal and replacement of
these components. Unless the power supply will be
remotely mounted, make sure there is room above the
unit to wire and service the power supply, including the
optional W8600E.
❑ Make sure that shop-fabricated sheetmetal components,
such as turning vanes, are on hand.
Remote Mount Power Supply, if Desired
❑
If remote mount is not desired, go on to Fasten the
Cabinet to the Furnace section.
68-0072—5
8
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