salmson GV Série Instructions De Montage Et De Mise En Service page 7

ENGLISH
DO NOT FORGET TO CONNECT THE EARTH
Check for perfect tightness of the cable lead-in in the
switch and motor gland.
A connection error would damage the motors.
Direction of rotation (three-phases motors)
Switch the motor on (brief press on safety switch) and
check that it turns in the direction indicated by the
arrow on the motor head. If it turns the wrong way,
interchange two phase wires on the motor terminal
block.
6. STARTING UP
Never operate the group dry.
6.1.Filling
The pump can be primed only if the casing is
immersed.
- Start the pump, taking care to open those valves
which could be installed on the pipes.
- In permanent operation, allow a minimum flow of
8 . OPERATING TROUBLES
Switch the pumps OFF before doing any
ATTENTION !
work on it.
TROUBLE
8.1.THE PUMP DOES NOT a) The motor is not powered:
START b) The motor is "burst":
8.2.THE PUMP DOES NOT a) The strainer is obstructed:
FLOW b) The pump turn the wrong way (three-
c) The supply voltage to the motor is too
d) Discharge valve closed:
8.3.FLOWRATE TOO LOW a) Valve on discharge partially open:
(OR NOT ENOUGH PRESSU- b) Motor fails turn at correct speed
RE)
8.4.THE MOTOR OVERHEATS a) Supply voltage incorrect:
8.5.THE MOTOR TRIPS OUT a) Ambient temperature too high:
b) The relay setting is wrong (too low):
c) The voltage is too low:
d) One phase is open-circuit:
e) The thermal relay is defective:
CAUSE
phase):
low:
(incorrect power supply, axial misali-
gnment):
about 10 to 20% of the full capacity of the pump.
- Check the current draw. It does not exced the value
marked on the motor data plate.
7. MAINTENANCE
No special servicing on operation.
Always keep the pump perfectly clean.
Replacement frequencies
These are necessarily only guidelines, since the
replacement frequency depends on the operating
conditions:
- Load and ambient temperature for the motor and
other components.
Part or component
subject to wear
Operating life
fonctionnement
Replacement continu
frequency in duty 15h /day
en service 9 m /years
a) Check whether the supply current well reaches the motor terminal.
b) Dismantle and replace it.
a) Dismantle and clean.
b) Interchange two phase wires on the motor terminal block.
c) Check the voltage on the terminals of the motor and the cross-sections of the
conductors.
c) Check and open it.
a) Check and open it progressively and fully until pressure is stable.
b) Dismantle the pump and correct what is wrong.
a) Check whether voltage at motor terminals is within standardized limits.
a) Ventilation of system. Protection of system if expoxed to direct sunlight.
b) Check the current with an ammeter, or set to the value marked on the motor data
plate.
c) Check the sections of the conductors of the cable. Check the power supply
d) Check it. Replace the cable if necessary.
e) Replace it.
7
Motor
bearings winding
10 000 to 25 000 h
30 000 h amb. max.+ 40°C
1 to 3 years 3 years
2.5 to 8 years 6 years
REMEDIES
Motor