GeneralAire TERsus 2000 User Manual
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)
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