ORANGE HD50 User Manual

Installation Instructions
HD50 Solar Pump
Assembly
drawing
The solar pump must be connected to 36 volt solar Panels
When connecting the pump make sure the electrical red
pump lead on the pump is connected to the positive on the
Solar Panels. The plugs provided should make the
electrical connections correctly.
The pump and motor must be protected from the weather.
When assembling the pump make sure the flow switch is
plugged into the motor and the water flow is in the correct
direction.
Flow
Switch
Foot or
Check valve
direction of
water flow
Remove strainer
if using as a
check valve
Primming plug
Draining plug
Installation
Pipe used on the suction and discharge should
be 25mm if the pipe length exceeds 100 Metre
then a pipe friction table should be checked and
if required a larger pipe used.
Care should be taken with the suction pipe.
Suction pipes should be layed with an even
gradient so that air trapped in the pipe is
minimised when primming the pump. The
vertical suction is limited to 6 metres at sea
level.
A foot or check valve must be used in the
suction pipe.
When first primming the pump it is easier to
remove the flow switch and pour water directly
in to pump outlet. Later the primming plug can
be removed to bleed trapped air. All air has to
be removed for satisfactory pump operation.
Pipe should be buried to stop the sun from
heating the water and effecting the suction
ability of the pump.
If sucking from a dam etc consideration should
be given to floating the foot valve and using a
large suction strainer to prohibit foreign matter
entering the pump
Remove strainer
and replace with
large suction strainer
to help stop foreign
matter entering the
pump.

ORANGE HD50 Specifications

General

Power Source	Electric
Maximum Head	50m
Max Flow Rate	50L/min
Power	750W
Voltage	220-240V
Frequency	50Hz
Inlet/Outlet Size	1 inch

Summary

Installation Instructions HD50 Solar Pump

Installation

Pipe Sizing and Suction

Details on pipe diameter, suction pipe gradient, and vertical suction limits for optimal pump performance.

Valves and Priming

Requirement for foot or check valves and procedures for priming the pump, including bleeding trapped air.

Pipe Protection and Filtration

Guidance on burying pipes to prevent heating and using strainers to protect the pump from foreign matter.

Control Panel Operation

Pump Status Indicators

Explanation of indicator lights (red, green) and their meanings regarding power, motor running, and potential faults.

Automatic Operation and Reset

Details on automatic restart attempts after stopping and how to perform an immediate restart using the reset button.

Performance Guide and Solar Panel Selection

Pump Performance Chart

A guide showing head metres versus litres per hour for various panel wattages.

Solar Panel Specifications

Recommendations for solar panel voltage and wattage, including considerations for parallel connections.