AS110001 CROMTECH™ AIR SCRUBBER OPERATION
CAUTION: Exhausting too much air from a space with open combustion devices (e.g. furnace,
fireplace or water heater) can cause those devices to backdraft. This can contaminate the space
with potentially fatal gases.
In such cases, the Air Scrubber must be used in one of the following three ways:
A. As a filtering unit only. Exhausting no air from the space and thus causing no negative
pressure or back drafting.
B. Exhausting a very limited amount of air which does not cause back-drafting. In case B, the
open combustion devices must be thoroughly checked to guarantee that they do not
backdraft while the Air Scrubber is running.
C. Direct the outlet duct from the Air Scrubber to the room with the open combustion
device(s). This will positively pressurize the room with HEPA filtered air, thus preventing
back-drafting. As in case B, those combustion devices must be checked after the Air
Scrubber is running to guarantee that they are not back-drafting.
POWER/SPEED CONTROL:
The power/speed switch is located on the control panel. When turned on to any speed, it powers
the impeller fan. Occasionally the impeller fan may not start on low speed. If this occurs, rotate the
speed control to high speed until the impeller fan starts, then adjust it to a lower speed.
CAUTION: Do not remove HEPA filter with the unit on. Removing the top and filters while running
will expose the dangerous rotating impeller fan. Disconnect the appliance before changing filters.
RESETTABLE CIRCUIT BREAKER:
The 10 amp resettable circuit breaker protects the unit and devices connected to it. The circuit
breaker is designed to sense the total current draw through the circuit. The circuit breaker "trips"
when more than 10 amps of electrical current are drawn through the device's power cord. Should an
over-current condition occur, the Air Scrubbers on-board circuit breaker prevents nuisance visits to a
remote power junction box.
IMPORTANT: Total amperage of the Air Scrubber plus all devices plugged into the receptacle must
not exceed 12 amps. The circuit breaker will not allow for loads in excess of 12 amps, although
there is a time delay before the overloaded circuit is broken.
IMPORTANT: When the Air Scrubber is plugged into a standard wall outlet and powered the Air
Scrubber's duplex outlet is live and AC voltage present.
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