Install Instructions

a. Cover Removal and Installation Procedure

For FS6 models with NEMA 1 Enclosure

• Using a flathead screwdriver, loosen but do not

remove the two cover screws and remove the cover

(A).

• Place the cover on the flow switch sliding the slots

behind the two loose cover screws. Push the cover

down into the flow switch and using a flat blade

screwdriver, tighten the cover screws to a torque of

10 lb•in (1.13 N•m).

For FS6-W models with NEMA 4X Enclosure

• Using flathead screwdriver, unscrew the six cover

screws and remove cover.

• Place the electrical connection cover on the flow

switch and insert the six cover screws. Tighten the

screws to a torque of 10 lb•in (1.13 N•m).

STEP 3 - Electrical Installation

• 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

b. Electrical Conduit Connection

• Connect electric conduit to flow switch electrical enclosure.

• Follow accepted electrical practices when installing fittings

and making connections.

• Refer to and follow local codes and standards when

selecting the types of electrical fittings and conduit to

connect to flow switch.