Model #47500 and #47501 (230 Volt; 3 / 5 HP)
You will recognize this unit since it has a motor reset
button. The power lines can be connected directly to the
pressure switch (Figure 9 and 10).
Model 47500 View - Pressure Switch
Figure 9
Your electrician will need to refer to the National Electric Code to determine the proper circuit breaker rating required. When
selecting a circuit breaker, remember the momentary starting current of an electric motor is greater than its full load current. Time-
delay or “slow-blow” circuit breakers are recommended.
**Wire Size
The electrical wiring required between the building’s power supply and the electric motor varies according to motor horsepower.
Power leads must be adequately sized to protect against excessive voltage drop during start-up. High voltage drops can cause
motor to overheat and fail. A qualified electrician should provide information for selecting proper wire size. If other electrical
equipment is connected to the same circuit, the total electrical load must be considered in selecting the proper wire size. DO NOT
use undersized wire.
*Voltage
MUST be connected to a 230 Volt, single-phase outlet having operating capacity of 20 amp (Model #47500, 3 HP) or 30 amp
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