Honeywell MF4000 Series Instruction Sheet

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The MF4000A, MF4000P and MF4000B are servo motors to
control and govern airlock of gaseous and liquid fuels or to
action the VF5000 series butterfly valves.
These servo motors are suitable in burners with medium to
high capacity.
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MF4000A1 series to drive air dampers and VF5000 butterfly
valves, with floating adjustment (see Figure 2.).
MF4000P1 series to drive air dampers and VF5000 butterfly
valves, with floating adjustment, with one or two feed-back
potentiometers (see Figure 2.).
MF4000B1 series to drive air dampers and VF5000 butterfly
valves, with internal relay for ON/OFF adjustment (see Figure
3.).
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See Fig. 1. Installation drawing MF4000 on page 2.
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Line voltage: 220 ... 240 Vac, 50/60 Hz
110 Vac, 50/60 Hz
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Current of microswitches: 250 Vac, 10 A (ac) and 2 A (dc)
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-15 .... 60°C
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Maximum torque at 15s rotation time over 90 degrees: 5 Nm
Maximum torque at 30s rotation time over 90 degrees: 10 Nm
Maximum torque at 60s rotation time over 90 degrees: 15 Nm
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15, 30, 60 seconds at 50 Hz.
At 60 Hz the timing is reduced with approximately 20%
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0 to 90 degrees.
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2 degrees (including mechanical tolerances)
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Two PG11 wiring conduits are provided in the housing.
NOTE: Do not provide strain relief according to
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The servo motor is mounted in a metal housing, which can be
opened loosening 4 screws.
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All models
MF4000
Series
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