Brochure
Blower Curves
ModelBwithDirectDriveMotor
The blower curves for Models B (Sizes 25, 50, 75 and 100) with direct drive motors indicate the temperature rise available for each size of heater
at a given total external static pressure. These units are designed and certied for total external static pressures up to .5" w.c. and temperature rises
from 45°-75°F.
The direct drive motors are equipped with multispeed taps for speed adjustment as indicated on the curve charts. Models 25 and 75 are factory-wired
to the medium speed tap; Models 50 and 100 are factory-wired to the high-speed tap.
NOTE: If the heater includes a blower cabinet, refer to appropriate pressure drop chart.
Form RZ-C-UH (Version H) Page 60
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