ITT McDonnell & Miller FS8-W Series Installation & Maintenance Download Page 2

2

NOTE:

Switch on ‘G’ models is rated for 300 watts @ 125VAC.

Maximum Liquid Pressure:

160 psi (11.3 kg/cm

2

)

Liquid Temperature  Range  (T

L

):

32 - 225˚F (0 - 107˚C)

Ambient Temperature  Range  (T

S

):

32 - 120˚F (0 - 49˚C)

Electrical Enclosure Rating:

Nema Type 4X (IP 56)

Maximum Velocity:

10ft/sec (3M/sec)

Pipe Connection Thread Size:

- 1" NPT 

- All models 

except “J”

- 1" BSPT 

- “J” models

• This Control:

is for continuous operations
is not electronic
has Type 1C action (micro 
interruption on operation)

• LVD 73/23/EEC

• EMC 89/33/EEC

For applications with loads between 0.5 and 3.7 Amps,
power factors exceeding 0.65, an anticipated system
switch 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
factors exceeding 0.65, an anticipated system switch
operation rate of less than once per 5 minutes, and any
one cycle greater than 3 seconds on and 3 seconds
off.

Additional suppression may be required for applica-
tions outside these ranges.

• Declaration of Conformity

Available on request.

SPECIFICATIONS

CE Circuit Rating

7.4 (7.4)/120~

0.3/120=

3.7 (3.7)/240~

0.15/240=

Motor Switch Rating (Amperes)

Voltage

Full Load

Locked Rotor

Pilot Duty

120 VAC

7.4

44.4

125 VA at

240 VAC

3.7

22.2

120 or 240 VAC

50 or 60 cycles

ELECTRICAL RATINGS

Models that meet CE Conformance:
FS8-WJA-E

Summary of Contents for McDonnell & Miller FS8-W Series

Page 1: ...cable 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...

Page 2: ...65 an anticipated system switch 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 factors e...

Page 3: ...1 38 398 Factory or 21 2 65 Minimum 17 9 67 8 1 20 36 12 1 45 8 81 25 149 Maximum 71 3 270 4 78 1 46 59 2 224 3 97 1 21 565 Factory or 3 80 Minimum 24 2 91 6 1 05 32 16 4 62 1 71 22 230 Maximum 89 337...

Page 4: ...nt Adjustment 2 50 118 5 99 5 3 80 278 0 227 0 4 100 442 0 391 0 5 125 847 0 762 0 6 150 1440 0 1325 0 Series FS8 W K Factor b If the flow rate in the pipe exceeds the maximum adjustment on the Flow S...

Page 5: ...irection as fluid will flow Some system conditions that require more than 5 pipe diameters are high viscosity fluid and high fluid velocity The flow switch must be installed in the pump suction piping...

Page 6: ...cution 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 wa...

Page 7: ...used to actuate a signal alarm or other device when flow occurs connect the wire from that device to the N O contact Connect the Hot power supply wire to C terminal For No Flow Mode of Operation Fig...

Page 8: ...low switch to activate Measure flow rate and match with velocities shown in flow rate chart c Check to see if paddle moves freely Some system piping disassembly may be required 3 Flow Switch Does Not...

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