6
x 4
A
a. Cover Removal and Installation Procedure
• Using a flathead screwdriver, unscrew the four
cover screws and remove the electrical connec-
tion cover (A).
• Place electrical connection cover on the flow
switch and insert four cover screws. Tighten the
screws to 10 lb•in (1.13 N•m).
STEP 4 - Electric Wire Connections
• To prevent electrical shock, turn off the electrical power before making electrical connections.
• To prevent an electrical fire or equipment damage, electrical wiring insulation must have a rating of 167˚F
(75˚C) if the liquid’s temperature exceeds 180˚F (82˚C).
• To prevent electrocution, when the electrical power is connected to the flow switch, do not touch the
terminals.
• Make sure flow switch electrical cover is secured before turning on electric power.
Failure to follow this warning could cause property damage, personal injury or death.
!
WARNING
c.
Insert the flow switch into the pipe tee. Turn
the flow switch two (2) or three (3) revolutions
clockwise until tight. Do not put excessive
force on cover when turning.
FLOW
d.
Place a 1 3/8" open end wrench on flow switch
body to tighten to final position. Final position
is with arrow on body aligned in the same
direction as liquid flow.
Teflon
®
b.
Apply pipe sealing compound or Teflon
®
tape to the
flow switch pipe threads.
NOTE:
Do not apply sealant to first threads as this
switch is grounded (earthed) via the pipe mounting.
