MODEL
1200
2000
Air PurificAtion SyStem
inStAllAtion And oPerAtion
GENERAL FILTERS, INC.
43800 Grand River Ave., Novi, Michigan 48375
Toll Free: (866) 476-5101 | Phone: (248) 476-5100 | Fax: (248) 349-2366
www.generalaire.com
Table of Contents
TERSus Installation & Maintenance Instructions
TERSus Air Purification System
Table of Contents
Important Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Specifications
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Cycle Times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Cost of Operation per Month . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Changing Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Changing UV Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Resetting the Service Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Installation
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Performance Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Electrical Schematic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Brand Decal Placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
IMPORTANT SAFETY INSTRUCTIONS
Before installing the GeneralAire TERSus air purification system, inspect for any signs of damage. During handling
and installation, take care to protect the catalytic honeycomb side of the product from physical damage, as the
aluminum-titanium core is very soft and can be easily damaged.
Warning -
the filter or ultraviolet lamps. Never look into a burning ultraviolet lamp without proper eye protection as sever
damage to the eyes can result. is product is rated for standard ambient air temperatures during heating and airconditioning functions and not rated for elevated air temperatures in excess of 125 degrees Fahrenheit.
Do not attempt to clean the catalytic honeycomb core with cleaning solutions. e catalyst is radiated with short
wave ultraviolet light during periods of non-air flow and is self-cleaning.
Do not install insulation within 76MM or 3 inches of Luminaries.
Access for service is required when mounting above ceilings or behind walls.
Do not install in a position where the interior model can gravity fall from an elevated position and cause injury to
the people or equipment below
Always unplug the power cord from the GeneralAire TERSus air purification system when changing
SPECIFICATIONS
Model Tersus 1200:
(Capacity 1-1/2 to 3.0 tons)
MFG: GeneralAire
Model: TERSus1200
Power: 120V/60 Hz .6 Amps 49.2 Watts
Fuse: Replace only with AGC-2 fuse
Application: 3 Ton Drive Air Handler / Furnace
Max Face Velocity: 500 FPM
Max Air Flow: 1200 CFM
Service: U.V. Lamps - 1 year / Filter – 6/12 months
Replace: Only with LT016 UV lamps.
Replace: Filter with only FI018 MERV-13
U.V. Range: 254 NM (germicidal)
Catalyst: Metal Oxides 56 Sq. Feet
Weight: 23 LBS
Dimensions: 17” H x 25” W x 10” D
Model Tersus 2000:
(Capacity 4.0 to 5.0 tons)
MFG: GeneralAire
Model: TERSus2000
Power: 120V/60 Hz .6 Amps 49.2 Watts
Fuse: Replace only with AGC-2 fuse
Application: 5 Ton Drive Air Handler / Furnace
Max Face Velocity: 625 FPM
Max Air Flow: 2000 CFM
Service: U.V. Lamps - 1 year / Filter – 6/12 months
Replace: Only with LT016 UV lamps.
Replace: Filter with only FI016 MERV-13
U.V. Range: 254 NM (germicidal)
Catalyst: Metal Oxides 70 Sq. Feet
Weight: 26 LBS
Dimensions: 21” H x 25” W x 10” D
OPERATION
e GeneralAire TERSus air purification system installs in the air-inlet side of any heating and air-conditioning
system up to five tons in size. Only operation of the air-handler fan unit is required for air purification and
sterilization to take place.
Note: e ultraviolet lamps are wired to operate continuously. is feature allows the catalyst to burn off surface
impurities, cleaning and reactivating itself during periods of non-use or no airflow. e cost of operation is less than
.07 cents per day. See operating cost section.
e GeneralAire TERSus air purification system combines three unique technologies to protect people against
indoor air pollutants. Photo catalytic technology (PCO) combined with high efficiency electrostatic MERV13
particulate filtration and germicidal ultraviolet light quickly reduces and eliminated toxic gas-phase chemicals,
lung damaging dust and airborne germs from the living environment.
Many new homes have smart programmable thermostats that allow for automatic operation of the air-handler fan
unit when there is no demand for heating or air conditioning. It is important that the GeneralAire TERSus air
purification system is operating at least 30 minutes per hour (24) hours per day to remove toxic materials from
the indoor environment.
e length of operation depends on the location of the home or office in relation to point source pollution such
as refineries, processing plants, automobile traffic and areas that produce high levels of pollen. Individuals that
are sensitive to mold spores, dust mites, chemicals or have respiratory problems such as asthma, emphysema, and
chronic allergies should extend the run time to (40) minutes or more per hour.
AIR CYCLES PER HOUR
(Based on 3000 sq. ft.)
Fan unit on for 10 minutes per hour Air cycled(1) ------- times per hour
Fan unit on for 15 minutes per hour Air cycled(1.3) ----- times per hour
Fan unit on for 20 minutes per hour Air cycled(1.75) ---- times per hour
Fan unit on for 30 minutes per hour Air cycled(2.62) ---- times per hour
2
OPERATION CONTINUED
AIR CYCLES PER DAY
Fan unit on for 10 minutes per hour Air cycled(24) ------ times per day
Fan unit on for 15 minutes per hour Air cycled(31) ------ times per day
Fan unit on for 20 minutes per hour Air cycled(42) ------ times per day
Fan unit on for 30 minutes per hour Air cycled(63) ------ times per day
Note: In the event, the existing thermostat does not have the capability to operate the air-handler fan unit
independently of a demand for eating or air-conditioning, it is highly recommended that an (AirCycler) be installed.
Recommended: DC4E (GFI #4685).
handler fan unit for any desired interval. A memory tracks the time the fan unit operates every hour and only cycles
the fan unit that hour if normal requirements for heating and air conditioning have not cycled the fan unit long
enough to meet air purication requirements.
COST OF CONTINUOUS (24) HR PER DAY OPERATION PER MONTH
Electricity cost
per kilowatt hour .06 kw hr. .08 kw hr. .10 kw hr.
Tersus (32.25 kw hours)
per month = $1.93 $2.58 #3.22
During periods where the fan unit is being operated for the sole purpose of air purication, usually during the spring
and fall season when there is no requirement for heating or cooling, the cost of running a 1/2 horsepower fan unit
will add approximately $5.36 per month to the normal operating cost. However, this cost is easily oset in savings on
medication, doctors oce visits, mechanical maintenance and cleaning of fan units, refrigeration coils, dirty air ducts
and last but not least, less house cleaning.
3
SERVICE
intervals. Indicator lights will tell you when to change lter and ultraviolet lamps (30) days in advance.
MERV13 Filter . . . . . change every (6 to 12) months . . . . . service light turns from green to yellow after ve months
and to red after six months.
Ultraviolet Lamps . . . . . change very (12) months . . . . . service light turns from green to yellow after eleven months
and to red after twelve months.
CHANGING THE FILTER
Unplug the power cord from the GeneralAire TERSus air purication system. Unscrew the two locking knobs 1.
and remove the door. (Fig. 1)
Remove old lter and replace with new lter. Make sure airow arrow on lter is pointing to the inside of
2.
module. (Fig. 2)
FIG. 1
Locking Knobs
Unplug the power cord from the GeneralAire TERSus air purification system. Unscrew the two locking knobs 1.
and remove the door. (Fig. 3)
Remove Photocatalytic module. (Fig. 4)2.
Unplug UV lights, loosen retaining knobs, and remove UV lights. (Fig. 5, 6)3.
Replace UV Lights, re-tension retaining knobs, and replace plug-ins.4.
Replace Photocatalytic module and filter, secure door and re-insert power cord, check sight ports to ensure lamp 5.
illumination.
FIG. 2
CHANGING THE UV LAMPS
Note! Ensure filter and photocatalytic module are installed in proper air flow sequence.
FIG. 3
FIG. 4 FIG. 5
Unplug
UV Light
RESETTING SERVICE LIGHTS
On the right side of the service panel, there are arrows pointing to two small holes marked reset. One marked filter
and one marked lamp. Using a small paper clip, bend out one leg straight and insert the end of the paper clip into
only the hole corresponding to the replaced component and push lightly until the service light returns to the green
position. e computer is now reset.
Press Here to Reset
Loosen Retaining
Knobs. NOTE:
Tighten only finger
tight when installing
new lamps
4
FOR REPLACEMENT FILTERS AND ULTRAVIOLET LAMPS
Contact your local HVAC wholesaler or contractor. Or call, General Filters, Inc., 43800 Grand River Ave., Novi,
MI 48375 at 866-476-5101.
INSTALLATION
Make sure to install the GeneralAire TERSus air purification system so that the inlet or return air enters the side
containing the MERV13 particle filter first.
FILTER SIDE
CATALYST SIDE
AIR FLOW
TYPICAL VERTICAL AND HORIZONTAL INSTALLATION
Unscrew the two locking knobs and remove the inside module from the outer case.1.
Take care not to bend or distort the outer metal enclosure.2.
Mount the outer case to the support plenum. 3. Note: Do not use a screw length that will extend into or
penetrate the inside module containing the catalyst or filter.
In some cases the foot print of the air handler may be larger or smaller than the outer enclosure of the Tersus 4.
Unit. A metal adapter plate of 18 ga. metal should be fabricated to make a suitable transition. (Fig. 7)
5
FIG. 7
TRANSITIONS FOR IN-DUCT MOUNTING
FIG. 9
FIG. 8
5. Tape all seams between the air handler and the outlet side of the GeneralAire TERSus 1200/2000 so that there
can be no air bypassing the system.
6. Attach the air handler to the outlet side of the GeneralAire TERSus 1200/2000 and fasten with #10 x 3/8 self-
drilling sheet metal screws. Note: only 1/2 inch of clearance has been provided between the outer and inner case.
7. Slide the inner module into the outer encasement and tighten locking knobs finger tight. Make sure the inner
module will freely slide in and out of the outside enclosure.
8. Plug in the power cord to any 120vac outlet and check both sight ports to make sure both lamps are
illuminated. Ultraviolet lamps must remain on at all times regardless of thermostat or AirCycler settings.
9. Check the service panel. e LED lights should be flashing in sequence for a 15 second period of time and then
return to green. e filter lamp should be flashing green and the UV lamp light should be a steady green.
10. Set the thermostat or the AirCycler to operate the fan unit for at least 30 minutes every hour. If air quality
problems persist after one week, increase the fan unit operating time by (5) minute intervals.
6
5 YEAR LIMITED WARRANTY
e TERSus1200 and TERSus2000 is delivered to you with a GeneralAire Five Year Limited Warranty. e
MERV13 High Efficiency Filter Media is an expendable service item that is not covered under this warranty.
e MERV13 Filter Media is recommended to be changed every 6 to 12 months as needed per your HVAC
equipment operation. Serviceable replacement UVC Lamps are covered with a one year warranty free from defects
or premature failure for a period of one year from the date of purchase. e UVC Lamps are recommended to be
replaced annually for optimum performance. GeneralAire manufacturers and distributes the TERSus1200 and
TERSus2000 and is not responsible for installation of this product.
is warranty does not cover faulty installation or damage to personal property resulting from incorrect or
faulty installation. is warranty does not cover the cost of removal or reinstallation of the TERSus1200 and
TERSus2000. is warranty does not cover labor for service or any warranty work that may be deemed necessary.
All warranty repair work must be performed by a qualified service HAVC Contractor. Any shipping costs that may
apply are the responsibility of the owner of the TERSus1200 and TERSus2000.
is warranty is provided to the original purchaser of the TERSus1200 and TERSus2000 and may not be
transferred, sold or bartered. is product is not warranted against freight damage, failure resulting from misuse,
connection to incorrect voltage, or acts of God such as fires, earthquakes, or floods.
You may register your warranty online at www.generalaire.com or detach form below and mail to General Filters,
Inc., Attention Warranty Department, 43800 Grand River Ave., Novi, MI 48375
7
WARRANTY REGISTRATION
Product Information:
Serial Number: ������������������������������������������������
Model: ������������������������������������������������������
Install Date: Month Day Year �����������
Owner Information:
Name: �������������������������������������������������������
Address: �����������������������������������������������������
Address2: ����������������������������������������������������
City State Zip Code ��������������
Phone: ������������������������������������������������������
Email Address: ������������������������������������������������
Contractor Information:
Name: �������������������������������������������������������
Address: �����������������������������������������������������
Address2: ����������������������������������������������������
City State Zip Code ��������������
Contractor Phone: ���������������������������������������������
Contractor Email Address: ��������������������������������������
PERFORMANCE DATA
For TERSus2000 3
1/2
- 5 Ton Drive Systems
61
%
75
%
87
%
93
%
96
%
96
%
1500
1000
2000
2500
0.18
0.30
0.38
0.50
288
432
576
720
For TERSus1200 1
1/2
- 3 Ton Drive Systems
Air Flow &
Resistance
Data At
MERV13:
Air Flow &
Resistance
Data At
MERV13:
800
400
1200
1600
0.09
0.18
0.30
0.38
144
288
433
577
Residence 2500 Sq
TVOC ppb
800.00
8:00:00 PM 10:00:00 PM 12:00:00 AM
700.00
600.00
500.00
400.00
300.00
200.00
100.00
Wednesday, October 21, 2008
POLY TECHNIC UNIVERSITY
90%
70%
60%
50%
40%
30%
20%
10%
0%
0
BACKGROUND LEVEL
9:00 - 11:00 7
111
11:00 - 13:00 LOD
a
13:00 - 15:00 LOD
15:00 - 17:00 LOD
50 100 150 200 250 300
350
TERSUS PERFORMANCE DATA AND APPROVALS:
9
8
WIRING DIAGRAM
MODEL TERSUS1200 & TERSUS2000
9
BRAND DECAL PLACEMENT
Brand Decal
Placement Here
AIR FLOW
RIGHT TO LEFT
AIR FLOW
TOP TO BOTTOM
Brand Decal
Placement Here
AIR FLOW
LEFT TO RIGHT
AIR FLOW
BOTTOM TO TOP
TERSUS1200 / TERSUS 2000 AIR PURIFICATION PARTS LIST
Replacement UV Lamp (2 Required) Part Number GFI #
for TERSus1200 and TERSus2000 LT016 4564
Replacement MERV13 Electrostatic Filter Part Number GFI #
for TERSus1200 FI021 4572
for TERSus2000 FI020 4562
Electronic Lamp Ballast Part Number GFI #
for TERSus1200 and TERSus2000 BL014 4565
12 Vold Transformer Part Number GFI #
for TERSus1200 and TERSus2000 BL007 4566
Titanium/Honeycomb Catalyst Part Number GFI #
for TERSus1200 AL004 4573
for TERSus2000 AL006 4563
11
10
GENERAL FILTERS, INC.
43800 Grand River Ave., Novi, Michigan 48375
CANADIAN GENERAL FILTERS, LTD.
400 Midwest Rd., Toronto, ON M1P 3A9
Toll Free: (866) 476-5101
Phone: (248) 476-5100
Fax: (248) 349-2366
www.generalaire.com
Toll Free: (866) 476-5101
Phone: (416) 757-3691
Fax: (416) 757-4687
www.cgfproducts.com
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