Abrasive materials, Priming and operation – Davey SJ60-08PC Automatic Water Pressure System User Manual

Page 4

Advertising
background image

~ 4 ~

Abrasive Materials

The pumping of abrasive materials will cause damage to the pump which will then not be covered by the guarantee.

Connection of Mains Scheme or Town Water Supply to either Suction or
Discharge of Pump

Most Water Supply Authorities have strict regulations regarding
direct connection of pumps to mains water supplies. In most
cases an isolating tank is required between mains supply and
pump. This is also the recommend method for this pump.
Directly applied mains pressure can exceed pump operating
pressure and damage pump.

Davey Products Pty Ltd can not accept
responsibility for loss or damage resulting from
incorrect or unauthorised installations.

Priming and Operation

SJ35-04 Manual Pump

1. Fill pump and suction line through the pump discharge or priming port (on flooded suction, simply open

gate valve to pump).

2. Ensure outlet nearest to pump is open.

3. Ensure all valves in suction line are open and switch on pump at power outlet.

4. Prime should establish almost immediately and a strong flow of water should be evident from

the outlet. Allow water to flow for 10-20 seconds to expel air then close outlet and switch off
pump.

5. If no flow is evident from tap, switch off at power point and repeat from step 1 ensuring there is an

adequate supply of water available to the pump.

SJ35-04P2C/LOP Automatic Water Pressure System

1. Fill pump and suction line through the pump discharge or priming port (on flooded suction, simply open

gate valve to pump).

2. Ensure outlet nearest to pump is open.

3. Ensure all valves in suction line are open and switch on pump at power outlet.

4. Slide “start switch” on pressure switch until pump maintains pressure.

5. Prime should establish almost immediately and a strong flow of water should be evident from

the outlet. Allow water to flow for 10-20 seconds to expel air then close outlet. Pump will
switch off shortly after and wait in standby until a drop in pressure initiates a pump start.

6. If no flow is evident from tap or the pump does not automatically restart on pressure drop (tap is re-

opened) switch off at power point and repeat from step 1 ensuring there is an adequate supply of water
available to the pump.

NOTE - If connecting your SJ Jet Pump direct to mains water, the casing pressure (maximum outlet pressure)

must not exceed 600kPa (6bar/87psi).

Water temperature in pump must not exceed 45

o

C, or damage caused will not be covered by guarantee.

Advertising