Lincoln Electric PRISM COMPACT Operator's Manual page 12

®
PRISM COMPACT
Step 4 – Install Pitot Tube
a. Drill 1/4" hole into the 16" straight duct pipe 40-50" away from
the inlet of the unit.
b. Insert pitot tube and secure it with 2 sheet metal screws (screws
included).
c. Connect the clear tube from the pitot tube to the -ve connection
nipple (right side) of the duct pressure sensor mounted on the
back side of the unit.
FIGURE A.4
INLET
A-4
INSTALLATION