IPSO T30 User Manual download pdf (Page 16)

Tumblers – T30 and T45

4-08-43

The vent collector system must be designed so the

static back pressure measured 12 inches (305 mm)

from the exhaust outlet does not exceed the maximum

allowable pressure specified on the installation sticker

on the rear of tumbler. Static back pressure must be

measured with all tumblers vented into the collector

operating.

NOTE: Never connect a tumbler duct at a 90°

angle to the collector duct. Refer to Figure 3. Doing

so will cause excessive back pressure, resulting in

poor performance. Never connect two tumbler

exhaust ducts directly across from each other at the

point of entry to the collector duct.

With the tumbler in operation, and both pockets

running, airflow at any point in the duct should be at

least 1200 feet per minute (366 meters per meter) to

ensure that lint remains airborne. If 1200 feet per

minute cannot be maintained, schedule monthly

inspections and cleaning of the ductwork.

Figure 3

T438I

T438i

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IPSO T30 User Manual Page 16