Priming - Pentair VLR Serie Manual De Instrucciones

CHaPter 4
USe
ATTENTION
Never start the machine before filling it with fluid as shown in "Use", "Priming".

4.1 PRIMING

NOTE
A machine is considered under head if, in closed circuit systems, the level of the fluid to be pumped is above the suction
inlet of the machine.
4.1.1 MACHINES INSTALLED UNDER HEAD
Carry out the following operations to fill a machine under head:
• Close the gate on the delivery piping
• Unscrew the priming cap
When the fluid comes out in a continuous way from the priming cap, carry out the following operations:
• Screw the priming cap
• Tighten the air valve (if present)
DANGER
Make sure that the priming cap and the air valve are perfectly tightened.
DANGER
If the fluid flowing in the pipes and circulating in the machine has a temperature higher than 65 °C, Use overall
and gloves protecting against high temperatures.
• Loosen the air valve (if present)
• Completely open the gate on the
suction piping
• Slowly open the gate on the suction
piping
• Open the gate on the delivery piping
GB
39