Electrical Connection - salmson NXL 33-25P Serie Instalacion Y Puesta En Servicio

ENGLISH
Take care not to damage the casing
TTENTION !
gasket, and reinstall it correctly.
The terminal box should not be placed
at 3 and 6 o'clock on an ice water
TTENTION !
circuit.

5.3. Electrical connection

The electrical connection must be made by a
qualified electrician and comply with
applicable local standards.
Complete electrical information about the circulator is
given on the data plate.
Power supply network
Use a three-conductor cable (3 x 1,5 mm
connect mains power to the corresponding terminals
of the circulator: phase (L), neutral (N), and earth ( )
(see FIG. 4).
The power cable must not touch the pipe or the
pump; make sure that it is away from any
moisture.
Check line protection and the mains voltage and
frequency.
The circulator must be connected to the mains via a
switch with an opening distance, on each pole, of at
least 3 mm.
The power outlet must have an earthing contact.
fter making the connections, put the cover back on
the terminal box.
8. OPER TING TROUBLE
Switch the circulator OFF before doing any
work on it.
INCIDENTS
8.1THE CIRCUL TOR a) ir in circulator :
IS NOISY
b) The suction pressure is too
c) Considerable
d) Foreign bodies in impeller :
8.2THE CIRCUL TOR a) Shaft stalled by fouling
F ILS TO ST RT
b) No power supply to
c) Foreign bodies in impeller :
2 H05 VVF) to
C USES
low :
flowing
water noise :
after a prolonged
shutdown :
circulator :
6. ST RTING UP
6.1. Filling, degassing
Never operate the circulator WITHOUT
TTENTION !
W TER.
- Open the valves on both sides of the circulator and
fill the installation completely.
- Bleed the circuit at the high point.
- Bleed air from the circuit by hand by unscrewing the
plug (see FIG. 5) a few turns; close it when water runs
out and when there are no more air bubbles.
Risks of scald. Use a screw-driver for unscrewing
the tap.
- Power up the motor to start the circulator.
- The flowrate is adjusted by changing the speed of
rotation of the motor using the selector switch.
Risk of burning. In operation, the motor casing
may be hotter than 100°C.
7. SERVICING
The circulator needs no special servicing in operation.
The motor bushings are lubricated by the liquid
pumped.
t the beginning of each heating season, or after a
prolonged shutdown, make sure that the circulator
turns freely.
a) Bleed the circulator: loosen the rear plug; continue until
there are no more air bubbles, then screw the plug back in.
b) Raise the pressure in the circuit.
c) Consider a slower speed.
d) Remove the motor and clean the impeller.
a) -Free the shaft: remove the rear plug. Use a flat-bladed
screwdriver to turn the motor shaft. Then reinsert the rear
plug (see FIG. 6). Or operate the unjamming plug device
(if one is fitted) by pushing on its centre with a screwdriver.
b) - Check that the motor is connected.
- Check the fuses of the installation.
c) Remove the motor and clean the impeller.
9
REMÈDES