Wilo CO-HELIX-V 10, Инструкция по установке и эксплуатации

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21 WILO SE 01/2012
English
11. Spare parts
All spare parts must be ordered through WILO
Customer Services.
In order to avoid returns and incorrect orders,
please specify the name plate data for all orders.
Subject to technical alterations!
NO DELIVERY PRESSURE Flow higher than booster capabilities. Plan to replace the booster by a more
adequate one (do not forget to contact
us in any case).
One or two pumps are no more primed. Check that the suction strainer does not
let air in or the tank filling point is too
close from the strainer.
Public water pressure lower than the
minimum pressure planned.
Contact the public water supply company
or replace the booster. Contact us.
A pump is obstructed by particles. Have the pump dismantled and cleaned.
Voltage of the motors too low. Check the voltage on motor terminals.
RANDOM OPERATING, STARTING
FREQUENCY TOO HIGH Pressure transmitter defective. Check the setting: transmitter not stable,
replace it if necessary.
Installation capacity too low. Add a tank.
No air inside the tank or under inflation. Pressurize the tank or replace the bladder.
TRIPPING FREQUENCY OF DRY RUNNING
SAFETY TOO HIGH Setting of dry running pressure switch
too high . Set the pressure switch correctly.
Drop of the public water supply pressure
when starting the pumps. Set the dry running pressure switch to
the minimum value. If it recurs, the pub-
lic water mains is inadequate ; check the
pressure with the pressure gauge when
starting the pumps or contact the public
water mains service.
OPERATING AUTOMATISM DEVICE
DEFECTIVE
Control box or cabinet defective. See starting instruction of the control
box or cabinet.
Wires disconnected. Check all connections to the terminal
block of the control box.
Transmitter defective. Check the contacts, change the transmit-
ter concerned if necessary.
DELIVERY CHECK VALVE NOT TIGHT Valve diaphragm or ring destroyed. Change the valves.
CONVERTER FAULT The pump converter displays a fault
indication. See starting instruction of the pump.
THE BOOSTER DON’T STOP OR START The shut off valve (Fig. 5, pos. 16) is
closed. Open the shut off valve (pos.16).