Wilo Wilo-Star-Z NOVA User manual
GB Installation and operating instructions
FNotice de montage et de mise en service
EInstrucciones de instalación
yfuncionamiento
IIstruzioni di montaggio, uso e
manutenzione
GR
TR Montaj ve kullanma klavuzu
HBeépítési és üzemeltetési utasítás
PL Instrukcja montau i obsugi
Wilo-Star-Z NOVA
4 160 098-Ed.01/2011-11-Wilo
GB Installation and operating instructions 2
FNotice de montage et de mise en service 14
EInstrucciones de instalación y funcionamiento 26
IIstruzioni di montaggio, uso e manutenzione 38
GR 50
TR Montaj ve kullanma klavuzu 62
HBeépítési és üzemeltetési utasítás 74
PL Instrukcja montau i obsugi 86
Overview
2WILO SE 11/2011
English
Installation and operating in-
1Overview
Turn the motor head or remove it
>Page 9
Connections >Page 5
Valves >Page 7
Connecting
>Page 9
Faults >Page 13
Type key >Page 5
Electrical connection >Page 10
Safety >Page 3
Principle of operation >Page 7
Installation >Page 8
Safety
Installation and operating instructions Wilo-Star-Z NOVA 3
English
2Safety
About these instructions • Read through these instructions completely
before installation. Non-observance of these
instructions can result in injury to persons and
damage to the pump/unit.
• Once installation work is complete, pass the
instructions on to the end user.
• Keep the instructions near the pump. They
can be used as a reference if problems occur
later.
• We accept no liability for damages resulting
from failure to follow these instructions.
Safety information Important safety information is indicated as fol-
lows:
Danger: Indicates a danger to life due to
electrical current.
Warning: Indicates a possible danger to
life or injury.
Caution: Indicates possible risks to the
pump or other items.
Note: Highlights tips and information.
Safety
4WILO SE 11/2011
English
Qualification The pump may only be installed by qualified per-
sonnel. This product may not be commissioned or
operated by persons with insufficient account-
ability (including children) or who do not possess
the relevant specialist knowledge. Exceptions are
only permitted on appropriate instruction from
safety-responsible persons. The electrical con-
nection may only be established by a qualified
electrician.
Regulations The current versions of the following regulations
must be observed when installing the equipment:
• Accident prevention regulations
• DVGW worksheet W551 (in Germany)
• VDE 0370/Part 1
• Other local regulations (e.g. IEC, VDE, etc.)
Conversion, spare parts The pump must not be technically modified or
converted. It is not permitted to open the pump
motor by removing the plastic lid. Only use origi-
nal spare parts.
Transport Unpack and check the pump and all accessories
upon receipt. Report any damage sustained in
transit immediately.
Dispatch the pump in the original packing only.
Electrical current There is a danger of an electric shock when work-
ing with electrical current. Therefore:
• Switch off the power before beginning work
on the pump and make sure that it cannot be
switched on again accidentally.
• Do not kink or nip the power cable or allow it
to come into contact with heat sources.
• The pump is protected against drips in
accordance with protection class IP 42. Pro-
tect the pump against water spray. Do not
immerse in water or other fluids.
Technical data
Installation and operating instructions Wilo-Star-Z NOVA 5
English
3 Technical data
3.1 Type key
3.2 Connections
Star-Z Series:
Standard secondary hot water circulation
pump, glandless pump
NOVA Type designation
A = with check valves
C = with check valves
C = and ready for connection with plug clock
C = timer
Star-Z NOVA
Screwed connection: 15 (Rp 1/2")
Star-Z NOVA A and Star-Z NOVA C
Screwed connection: 15 (Rp 1/2") and check
valves
Technical data
6WILO SE 11/2011
English
3.3 Data
See name plate or Wilo catalogue for further
information.
3.4 Scope of delivery
1Pump
2 Thermal insulation shell
3 Sealing rings
4Wilo-Connector
5 Installation and operating instructions
(not shown)
Star-Z NOVA, Star-Z NOVA A,
Star-Z NOVA C
Mains voltage 1 ~ 230 V / 50 Hz
Protection class 42
Nominal diameter
of connecting pipes R 1/2
Installation length 84 mm
(Type A: 138 mm)
Maximum permissible
operating pressure 10 bar
Permitted fluid
temperature range 2°Cto65°C,
in short-term operation up to 2 hours 70 °C
Max. ambient
temperature + 40 °C
Max. permitted total
hardness in secondary hot
water circulation systems 20 °dH
Principle of operation
Installation and operating instructions Wilo-Star-Z NOVA 7
English
4 Principle of operation
4.1 Application
The pump is intended for pumping potable or
process water in a circulation system.
4.2 Functions
Valves The Star-Z NOVA A and Star-Z NOVA C versions
are equipped with a non-return valve (1) on the
pressure side and with a stop valve (2) on the suc-
tion side.
When exchanging the motor head (3), it is suffi-
cient to cut the power by unplugging the con-
nector (5) and to close the stop valve at the
rotating slot (4). The motor head can then be sim-
ply unscrewed >Page 9.
Installation
8WILO SE 11/2011
English
5Installation
5.1 Mechanical installation
Installation site Provide a weatherproof, frost-free, dust-free and
well-ventilated room for the installation. Choose
an installation site that is easily accessible.
1. Prepare the installation site so that the pump
can be installed without being exposed to
mechanical stresses.
2. Choose the right installation position - only as
shown in (Fig. A).
The arrow on the back of the housing indi-
cates the direction of flow.
Danger: Before starting work, make sure
that the pump has been disconnected from the
power supply.
Caution: Dirt can cause the pump to fail.
Flush the pipe system before installation.
Note: In the case of the Star-Z NOVA A
and Star-Z NOVA C versions, the stop valve and
non-return valve are pre-installed. In the case of
the Star-Z NOVA version, these valves have to
be installed additionally.
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