Downflo II, Models DFT 2-4 and DFT 3-6
27
4. Thirty-five feet of plastic tubing is supplied and
must be cut in two sections. Connect one
section of tubing from the gauge
s high-pressure
port to the pressure fitting located in the dirty-
air plenum. Connect remaining tubing from the
gauge
s low-pressure port to the fitting in the
clean-air plenum. Additional tubing can be
ordered from your representative.
Photohelic Gauge Installation
5. Zero and maintain the gauge as directed in the
manufacturer
s Operating and Maintenance
Instructions provided.
6. To install the Photohelic Gauge mounted in a
NEMA 4 Weatherproof Enclosure, follow
Steps 4 and 5.
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