Labconco Coated Steel, Fiberglass and PVC Blowers 7183200 - Manual (Page 39)

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Product Service 1-800-522-7658, International 816-333-8811
C
HAPTER
7
M
ODIFYING
Y
OUR
B
LOWER,
C
ALCULATING
S
TATIC
P
RESSURE
L
OSS, AND
B
LOWER
S
IZING
Two Main Blower Modifications
There are two main ways to modify the performance of your
blower as listed in Chapter 3: Getting Started. One way is the
adjustment of the blower outlet orientation. The other way is the
adjustment of the fan speed to fine-tune the performance of your
blower/hood system. Refer to Chapter 3 for these instructions.
Additionally, all the performance data for your particular blower
model number are listed in Chapter 4: Performance Data and
Safety Precautions.
Additional Modifications by Adding Ductwork Accessories
There are additional ways to equip your blower by adding any of
the accessories on the following pages. To ensure that your blower
exhaust system will operate properly, the ductwork and accessories
linking your hood and blower must be sized correctly. Along with
the accessories listed next are the “equivalent resistance in feet of
straight duct” for each accessory. It is necessary to compute the
sum of the equivalent resistance factors for each accessory and