Xylem McDonnell & Miller FS4-3T Series Instruction Manual

Series FS4-3T
General Purpose
Liquid Flow Switch
• Before using product, read and understand instructions.
• Save these instructions for future reference.
• All work must be performed by qualified personnel trained in the proper application,
installation, and maintenance of plumbing, steam and electrical equipment and/or systems in
accordance with all applicable codes and ordinances.
• 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.
• Liquid m edia containing deb ris or other particulates should b e filtered to avoid dam age
to or ob struction of the flow switch paddle arm
Switch to m alfunction.
•
California Proposition 65 warning! This product contains chemicals known to the
state of California to cause cancer and birth defects or other reproductive harm.
•
Previous controls should never be installed on a new system. Always install new
controls on a new boiler or system.
Failure to follow this warning could cause property damage, personal injury or death.
CAUTION:
•
A more frequent replacement interval may be necessary based on the condition of
the unit at time of inspection. McDonnell & Miller's warranty is one (1) year from date
of installation or two (2) years from the date of manufacture.
INSTRUCTION MANUAL
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MM-613E