B LOWER R OTATION
If blower rotation is incorrect, the unit will suffer a significant performance loss as well as an increase
in noise level. Make sure the blower is rotating properly. Depending on the blower manufacturer, the
blowers may need to rotate clockwise, or counter-clockwise. The proper blower direction is labeled on
the top of the blower and must be viewed from the exhaust outlet. To check blower rotation, have a
colleague start the unit, count to '4', and then stop unit. As the fan slows, watch the rotation. When
power is properly connected, the blower will rotate in the direction of the label. To change
the blower rotation direction, simply swap any (2) of the incoming power leads.
PLEASE NOTE: IT IS VERY IMPORTANT TO VIEW THE ROTATION
FROM THE EXHAUST OF THE BRAHM™ COLLECTOR !
Page 49
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