Saci pumps V-NOX 300 Manuel D'installation Et D'entretien page 19

Faults
9. The pump flow is not constant.
10. The pump turns the opposite
way when turned off
11. The pump vibrates with noisy
operation.
15 - CONNECTION FOR MOTORS
1~
16 - GUARANTEE
The manufacturer guarantees the product for a period of 12 months from the date the invoice is issued. This
guarantee only covers faults in material and/or manufacture or assembly, provided:
- The customer has met all their contractual obligations
- The customer has duly informed the manufacturer that the product has been sent
- The customer sends the product carriage paid
- The product has been duly installed, maintained and operated according to the indications of this manual
Checks
A. Excessively low suction pressure.
B. Suction pipe or pump partly obstructed
with impurities.
A. Loss of suction pipe
B. Base or retention valve faulty or
blocked partly open.
A. Check that the pump and the pipes are
properly fixed.
B. The pump shakes.
C. Air in the pump or suction manifold
D. Pump alignment not correct.
W2
U1
R
19
B. Clean the suction pipe and the pump
A. Eliminate the problem
B. Repair or replace the faulty valve.
A. Block the loose parts.
B. Reduce the suction height and control
the load losses. Open the suction valve.
C. Purge the suction pipes and the pump.
D. Repeat the indications of section 7.2.
3~
230 V
U2
V2
W1
V1
T
S
ENGLISH
Solutions
400 V
W2 U2
V2
U1 V1
W1
T
S
R