Wilo Wilo-Star-Z NOVA Manual de usuario

4 173 499-Ed.03 / 2015-04

Wilo-Star-Z NOVA

Pioneering for You

en Installation and operating instructions

fr Notice de montage et de mise en service

es Instrucciones de instalación y funcionamiento

it Istruzioni di montaggio, uso e manutenzione

el  Οδηγίεςεγκατάστασηςκαιλειτουργίας

tr  Montajvekullanmakılavuzu

hu Beépítési és üzemeltetési utasítás

pl  Instrukcjamontażuiobsługi

cs  Návodkmontážiaobsluze

ru  Инструкцияпомонтажуиэксплуатации

lv  Uzstādīšanasunekspluatācijasinstrukcija

lt Montavimo ir naudojimo instrukcija

sk Návodnamontážaobsluhu

sv Monterings-ochskötselanvisning

i  Asennus-jakäyttöohje

da Monterings- og driftsvejledning

Overview

Installation and operating instructions Wilo-Star-Z NOVA 2

English

Installation and operating in-

1 Overview

Turn the motor head or remove it

Page 8

Connections Page 4

Valves Page 6

Connecting

Page 8

Faults Page 12

Type key Page 4

Electrical connection Page 9

Safety Page 2

Principle of operation Page 6

Installation Page 7

Safety

3WILO SE 04/2015

English

2 Safety

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

Installation and operating instructions Wilo-Star-Z NOVA 4

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

5WILO SE 04/2015

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 ½")

Star-Z NOVA A and Star-Z NOVA C

Screwed connection: 15 (Rp ½") and check

valves

Technical data

Installation and operating instructions Wilo-Star-Z NOVA 6

English

3.3 Data

See name plate or Wilo catalogue for further

information.

3.4 Scope of delivery

1 Pump

2 Thermal insulation shell

3 Sealing rings

4 Wilo-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 ½

Installation length 84 mm

(Type A: 138 mm)

Maximum permissible

operating pressure 10 bar (1000 kPa)

Permitted fluid

temperature range +2 °C to +65 °C,

in short-term operation up to 2 hours +70 °C

Max. ambient

temperature + 40 °C

Max. permitted total

hardnessinsecondaryhot

water circulation systems 20 °dH

Principle of operation

7WILO SE 04/2015

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 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 8.

Installation

Installation and operating instructions Wilo-Star-Z NOVA 8

English

5 Installation

5.1 Mechanical installation

Installation site Provideaweatherproof,frost-free,dust-freeand

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.

Installation

9WILO SE 04/2015

English

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.

5. Tighten the union nut again.

Open the stop valve 6. Turn slot (1) with a screwdriver so that it is

parallel to the direction of flow (only in the

case of the Star-Z NOVA A, and Star-Z

NOVA C versions).

7. Fit the thermal insulation shell.

Connecting 8. Connect the pipework.

Caution: Do not damage the housing seal.

Replace damaged seals.

Caution: If the position is wrong, water

can penetrate and destroy the pump.

Note: To close, turn the slot so that it is

across the direction of flow.

Caution: The plastic parts of the motor

may not be heat-insulated in order to protect

the pump from overheating.

Caution: For the versions with stop and

non-return valves, these are already pre-

installed and sealed with a tightening torque of

15 Nm (hand-tight). Screwing with excessive

tightening torque destroys the valve screw con-

nection and the O ring.

When installing the valve, use a fixed spanner to

prevent twisting.

Installation

Installation and operating instructions Wilo-Star-Z NOVA 10

English

5.2 Electrical connection

Establish the electrical

connection as follows:

Danger: Only a qualified electrician is

allowed to work on the electrical connection.

Before establishing the connection, make sure

that the connecting cable is dead.

Fig. 1 Fig. 2

Fig. 3 Fig. 4

PE NL

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