Wilo Wilo-Helix FIRST V ATEX, Installation And Operating Instructions Manual

Page: 9 / 44

Installation and operating instructions -
WILO-Helix V/FIRST V ATEX 9
English
5. Commissioning
5.1 Commissioning of the pump
The pump must be commissioned in compliance
with its commissioning instructions.
Make sure that it is full before switching it on. Fit
an isolating valve on the pressure side in order to
ensure that the zero delivery rate detection func-
tions correctly
.
Provide a filter on the suction side to avoid the
presence of foreign bodies in the pump.
5.2 Adjustment of the delivery rate controller for
detection of zero delivery rate
When the pump is operating correctly and stabi-
lised at the desired delivery rate, adjust the deli-
very rate controller by using the 2 potentiome -
ters (normal adju fine adjustment) on
the front in such a way that one orange LED and
one green LED are switched on
.
Orange LED +
1 green LED on:
adjustment OK on
the deli-
very rate of desired
operation
Adjustment potentio-
meters:
normal and fine
Adjustment of
the follow-up
time:
taking malfuncti-
on into account
Carry out a security check. From the rated flow
rate run gradually towards a minimum delivery
rate until a zero delivery rate. The red LED should
switch on and the pump motor should switch off
at the end of the adjustment follow-up time.
6. Spare parts
All spare parts must be ordered through Wilo
customer services.
In order to avoid any mistakes, please specify
the rating plate data for orders.
The spare parts catalogue is available at
www.wilo.com.
7.
Safe disposal
Information on the collection of used electrical
and electronic products
Proper disposal and appropriate recycling of this
product prevents damage to the environment and
dangers to your personal health.
NOTICE: Disposal in domestic waste is
forbidden!
In the European Union, this symbol can appear on
the product, the packaging or the accompanying
documentation. It means that the electrical and
electronic products in question must not be dis-
posed of along with domestic waste.
To ensure proper handling, recycling and disposal
of the used products in question, please note the
following points:
• Only hand over these products at designated,
certified collecting points.
• Observe the locally applicable regulations!
Please consult your local municipality, the near-
est waste disposal site, or the dealer who sold
the product to you for information on proper dis-
posal. For further information on recycling,
go to www.wilo-recycling.com.
WARNING!
The normal delivery rate of operation
must never be lower than 1 m³/h.
Adjust the follow-up time taking into account the
malfunction and the desired value.
Red LED:
detection of mal-
function
Subject to technical alterations!