RainFlo MHP150A, User Manual

• This pump is made for indoor use only.

• To prevent suction loss, install the pump as close to the water

source as possible.

• Mount the pump securely using the base plate bolt holes.

• Minimize bending any attached pipes.

• Make sure the connections are water tight and ensure the pipes

are supported independently.

• Install a pressure gauge in the discharge pipes to allow proper

monitoring and diagnostics.

• Ensure the input voltage (V), frequency (Hz), and phase (PH)

matches the specifications marked on the label. When the

voltage is greater than ± 10V, the thermal protector will shut off

the pump.

• Ensure the pump is reliably grounded with a circuit breaker.

• The power cord should be less than 15 feet and approved for

the

current delivered to this pump.

• Ensure that you have made the correct electrical connections

for

the pump.

•

To avoid burning the seal and damaging the pump, never

let the

pump run without water.

•

The fan should turn freely by hand when disconnected

from

power 

and

 water.

•

The fan should rotate clockwise when viewed from the

back of

the pump

•

For proper startup, fill at the discharge drain plug to prime

it.

•

To begin the flow, turn on the pump and open the discharge

valve.

•

Before stopping the pump and disconnecting the power,

close

the

upstream discharge valve to avoid siphoning.

• Avoid excessive start and stop operations.

 5) 

Electrical Connection

:

6) 

Starting, Operation, and Stopping the Pump

:

 4) 

Ins

tallation

: