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Series FS1
High Sensitivity
Liquid Flow Switch

Series FS1

Series FS1-W

• 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.

Failure to follow this warning could cause property damage, personal injury or death.

WARNING

CAUTION

WARNING

OPERATION

This control is an independently mounted water flow
sensing device that makes or breaks an electrical
circuit when flow stops or starts.

(specified models only)

McDonnell & Miller

Installation & Maintenance

Instructions

MM-615A)

Содержание McDonnell & Miller FS1 Series

Страница 1: ...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 electr...

Страница 2: ...tch operation rate of less than once per 2 5 minutes and any one cycle greater than 3 seconds on and 3 seconds off For applications with loads 0 5 and 38mA power fac tors exceeding 0 65 an anticipated...

Страница 3: ...n of the Flow Switch D 5 x D MINIMUM 1 2 PIPE 5 x D MINIMUM FLUID FLOW D PIPE DIAMETER The flow switch should be located in a horizontal section of pipe where there is a straight horizontal run of at...

Страница 4: ...hex fitting of flow switch and one wrench on connecting piping Tighten to following torque values 31 ft lb 42 N m for 1 2 pipe Repeat to connect pipe to opposite side of flow switch a Apply pipe seali...

Страница 5: ...trical 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 h...

Страница 6: ...itch will be used to actuate a signal alarm or other device when no flow occurs connect the wire from that device to the N C contact Connect the Hot power supply wire to C terminal Flow Opens Circuit...

Страница 7: ...quired flow switch may need to be adjusted OFF ON SECTION 4 Testing STEP 5 Adjustment 1 2 Pipe Connection Adjusting Screw Adjustment is necessary only if required flow no flow setpoints are above fact...

Страница 8: ......