Pentair VLR Serie Manual De Instrucciones página 42

GB
4.1.2 MACHINES INSTALLED ABOVE HEAD (SUCTION MODE)
NOTE
A machine is considered above head if, in open circuit systems, the level of the fluid to be pumped is under the machine
suction inlet.
Carry out the following operation to fill the machine above head:
• Open the gate on the suction piping
• Close the gate on the delivery piping
• Open the priming cap
When it is no more possible to further fill the machine, carry out the following operations:
• Tighten the air cap
• Tighten the drain and discharge cap
(if present)
• Tighten the air valve (if present)
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
Make sure that the priming cap and the air valve are perfectly tightened.
primimg priming
cap
cap
drain cap
drain cap
primimg
priming
cap
cap
drain cap
drain cap
40
• Loosen the air valve (if present)
• Rotate the drain and/or discharge cap
counterclockwise (if present)
• Start the machine
• Open the gate on the delivery piping
• Loosen the air valve
primimg
priming
cap
cap
air air
valve
valve
discharge drain
discharge
drain cap
cap cap cap
VLR 2B – VLR 4
primimg
priming
cap cap
air
air
valve
valve
drain cap drain cap
VLR 8 – VLR 16
• Pour the liquid in the machine
through the priming cap until it
comes out from it
• When the fluid comes, tighten the
air valve (if present) or open the
priming cap
• Stop the machine
air
air
valve
valve
discharge
discharge
cap cap
air
air
valve
valve