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2
2.3 Electrical Requirements
The Phoenix Guardian can be plugged into a grounded
15 Amp circuit. It draws12 Amps or less with clean filters
and no ducting (if less amperage is available, see
Section 2.4). Due to the high percentage of a 15 Amp
circuit’s capacity that the unit uses, the circuit should be
dedicated to running the Phoenix Guardian only. Amp
draw decreases as filters get dirty and ducting is added.
CAUTION: The unit must always be operated with all
three filters and the top in place. Operating it with one
or more filters missing, the top off, and/or inferior filters
will cause the amperage to increase and the motor to
overload.
If an extension cord is required, it must have a minimum
of 12 gauge conductors if 25 feet long or less and 10
gauge conductors if greater than 25 feet long.
2.4 Limiting Amp Draw
In certain conditions, allowing the unit to draw its normal
10 to 12 Amps may be undesirable. Limited amperage
available may be needed to run other equipment. In such
conditions, amp draw can be reduced by restricting the
airflow at the inlet with the unit running on either speed.
The 18” diameter inlet grid can be restricted by partially
covering it with anything convenient and stiff enough to
maintain its shape (cardboard, sheet metal, plywood)
The negative air pressure at the inlet will help hold the
restrictor in place.
2.5 Air Ducting
2.5a Inlet Ducting
Occasionally the area to be filtered is difficult to access
and/or the unit cannot be located in the area. In such
cases, the air can be ducted to the unit’s inlet.
A round 18” diameter flex duct can be attached to the
unit inlet on top. It connects by hooking the spiral wire of
the flex duct under the four tabs inside the perimeter of
the inlet opening; see figures 1, 2 and 3.
Flexible 18” ducting is available from Therma-Stor
Products.
Figure 1
Figure 2
Figure 3
www.sylvane.com 1-800-934-9194
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