39
GB
Never start the machine before filling it with fluid as shown in “Use”, “Priming”.
ATTENTION
4.1 PRIMING
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.
NOTE
USe
CHaPter 4
Carry out the following operations to fill a machine under head:
• Close the gate on the delivery piping
• Unscrew the priming cap
• Loosen the air valve (if present)
• Slowly open the gate on the suction
piping
4.1.1 MACHINES INSTALLED UNDER HEAD
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.
DANGER
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)
• Completely open the gate on the
suction piping
• Open the gate on the delivery piping
Summary of Contents for Nocchi VLR 16
Page 18: ...38 GB A B VLR 32...
