Wilo Wilo-Star-Z NOVA User manual
4 245 741-Ed.01 / 2021-02
Wilo-Star-Z NOVA
Pioneering for You
en Installation and operating instructions
fr Notice de montage et de mise en service
nl Inbouw- en bedieningsvoorschriften
es Instrucciones de instalación y funcionamiento
it Istruzioni di montaggio, uso e manutenzione
el Οδηγίεςεγκατάστασηςκαιλειτουργίας
tr Montajvekullanmakılavuzu
hu Beépítési és üzemeltetési utasítás
pl Instrukcjamontażuiobsługi
cs Návodkmontážiaobsluze
ru Инструкцияпомонтажуиэксплуатации
uk Iнструкціязмонтажутаексплуатації
lv Uzstādīšanasunekspluatācijasinstrukcija
lt Montavimo ir naudojimo instrukcija
sk Návodnamontážaobsluhu
sv Monterings- och skötselanvisning
Asennus- ja käyttöohje
da Monterings- og driftsvejledning
Fig
Fig. 1a:
Fig. 1b:
Fig. 1c:
PE NL
Fig. 1d:
Fig. 1e:
Fig. 2:
en Installation and operating instructions 4
fr Notice de montage et de mise en service 16
nl Inbouw- en bedieningsvoorschriften 28
es Instrucciones de instalación y funcionamiento 40
it Istruzioni di montaggio, uso e manutenzione 52
el Οδηγίες εγκατάστασης και λειτουργίας 64
tr Montaj ve kullanma kılavuzu 76
hu Beépítési és üzemeltetési utasítás 88
pl Instrukcja montażu i obsługi 100
cs Návod k montáži a obsluze 112
ru Инструкция по монтажу и эксплуатации 124
uk Iнструкція з монтажу та експлуатації 136
lv Uzstādīšanas un ekspluatācijas instrukcija 148
lt Montavimo ir naudojimo instrukcija 160
sk Návod na montáž a obsluhu 172
sv Monterings- och skötselanvisning 184
fi Asennus- ja käyttöohje 196
da Monterings- og driftsvejledning 208
Safety
Installation and operating instructions Wilo-Star-Z NOVA 5
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
6WILO SE 02/2021
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 0700/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 7
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
Star-Z NOVA
Screwed connection: 15 (Rp ½")
Star-Z NOVA A
Screwed connection: 15 (Rp ½") and check
valves with G1 thread
Technical data
8WILO SE 02/2021
English
3.3 Data
See name plate or Wilo catalogue for further
information.
3.4 Scope of delivery
1Pump
2 Thermal insulation shell
3Sealing rings
4Wilo-Connector
5 Installation and operating instructions
(not shown)
Star-Z NOVA, Star-Z NOVA A
Mains voltage 1 ~ 230 V / 50 Hz
Protection class 42
Nominal diameter
of connecting pipes R ½
Installation length 84 mm
(Type A: 138 mm)
Maximum permissible
operating pressure 10 bar (1000 kPa)
Water temperature at
max. ambient tempera-
ture of +40 °C +2 °C to +95 °C
Principle of operation
Installation and operating instructions Wilo-Star-Z NOVA 9
English
4 Principle of operation
4.1 Application
This circulator is suitable for drinking water only.
4.2 Functions
Valves The Star-Z NOVA A version is equipped with a
non-return valve (1) on the pressure side and
with a stop valve (2) on the suction 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 10.
Installation
10 WILO SE 02/2021
English
5 Installation
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 indicates the direction of flow.
Turn the motor head or
remove it
3. Release the union nut - unscrew it completely
if necessary.
4. Turn the motor head so that the Wilo-Con-
nector points downwards.
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
version, 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 addi-
tionally.
Caution: Do not damage the housing seal.
Replace damaged seals.
Caution: If the position is wrong, water
can penetrate and destroy the pump.
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