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90 F300S/F300SQ Ultraviolet Lamp System
Air Pressure Verification
To test air pressure inside the irradiator, remove one cover plate screw and, using a
magnehelic, place the end of the tube over the screw hole (Figure 30 on page 90). For
the I300M, the pressure should be 447-596 Pa (1.8-2.4” H
2
O) with respect to outside
(ambient) air.
For the I300MB irradiator (modular blower), pressure should be 447 - 822 Pa (1.8 to
3.3” H
2
O).
Figure 30. Air Pressure Test Points (I300M) - I300 MB Similar
HV Connector (J11)
Cover Plate
Cover
Screws