Wilo Stratos PARA-C User manual

Pioneering for You
Wilo-Stratos PARA-C/-CZ
2226924 • Ed.01/2023-04
en Installation and operating instructions

Fig.I a:
Fig.I b:

Fig. II

en
Installation and operating instructions • Wilo-Stratos PARA-C/-CZ • Ed.01/2023-04 5
Table of contents
1 About these instructions.................................. 6
2 Safety ................................................................. 6
2.1 Identification of safety instructions....... 6
2.2 Personnel qualifications........................... 7
2.3 Electrical work ........................................... 8
2.4 Operator responsibilities.......................... 9
2.5 Safety instructions..................................10
3 Transport and temporary storage ................. 11
3.1 Transport inspection...............................11
3.2 Transport and storage conditions.........11
4 Intended use and misuse ................................ 12
4.1 Heating fluids........................................... 12
4.2 Use in applications with coolants .........12
4.3 Domestic hot water ................................13
4.4 Misuse.......................................................14
5 Product information ....................................... 14
5.1 Type key ...................................................14
5.2 Equipment variants.................................15
5.3 Technical data..........................................16
5.4 Scope of delivery.....................................17
5.5 Accessories ..............................................17
6 Description and function................................ 17
6.1 Description of the pump ........................17
6.2 Control and communication functions
...................................................................18
7 Installation and electrical connection........... 21
7.1 Installation................................................22
7.2 Electrical connection ..............................25
8 Commissioning ................................................ 27
8.1 Filling and venting...................................28
8.2 Setting the control mode.......................28
8.3 Operation of the pump in the case of ex-
ternal flow ................................................29
9 Maintenance .................................................... 29
9.1 Product life cycle.....................................29
9.2 Shutdown .................................................29
9.3 Dismantling/installation.........................30
10 Faults, causes and remedies........................... 31
10.1 Troubleshooting......................................31
10.2 Error messages .........................................32
11 Spare parts........................................................32
12 Disposal.............................................................32
12.1 Information on the collection of used
electrical and electronic products .........32

en
6 Installation and operating instructions • Wilo-Stratos PARA-C/-CZ • Ed.01/2023-04
1 About these instructions
These instructions are an integral part of the product. Adherence to these instructions is a requirement for
the intended use and correct operation of the product:
•Read these instructions before commencing any work and keep them in an accessible place at all times.
•Observe instructions and labelling on the pump.
•Observe local regulations where the pump is installed.
•No liability will be accepted for damage resulting from failure to follow these instructions.
The language of the original operating instructions is German. All other languages of these instructions are
translations of the original operating instructions.
2 Safety
This chapter contains basic instructions for the individual life cycles
of the product. Failure to observe this information carries the follow-
ing risks:
•Danger to persons from electrical, mechanical and bacteriological
effects as well as electromagnetic fields
•Environmental damage from discharge of hazardous substances
•Damage to property
•Failure of important product functions
•Failure of required maintenance and repair procedures
Failure to observe the instructions will result in the loss of any claims
for damages.
The directions and safety instructions in the other sections must
also be observed!
2.1 Identification of safety instructions
These installation and operating instructions set out safety instruc-
tions for preventing personal injury and damage to property, which
are displayed in different ways:
•Safety instructions relating to personal injury start with a signal
word and are preceded by a corresponding symbol.
•Safety instructions relating to property damage start with a signal
word and are displayed without a symbol.

en
Installation and operating instructions • Wilo-Stratos PARA-C/-CZ • Ed.01/2023-04 7
Signal words
•DANGER!
Failure to follow the instructions will result in serious injury or
death!
•WARNING!
Failure to follow instructions can lead to (serious) injury!
•CAUTION!
Failure to follow instructions can lead to property damage and pos-
sible total loss.
•NOTICE!
Useful information on handling the product
Symbols
These instructions use the following symbols:
General danger symbol
Danger of electric voltage
Warning of hot surfaces
Warning of magnetic fields
Notices
2.2 Personnel qualifications
Personnel must:
•Be instructed about locally applicable regulations governing acci-
dent prevention.
•Have read and understood the installation and operating instruc-
tions.
Personnel must have the following qualifications:
•Electrical work: Electrical work must be performed by a qualified
electrician.

en
8 Installation and operating instructions • Wilo-Stratos PARA-C/-CZ • Ed.01/2023-04
•Installation/dismantling work: The installation/dismantling must be
carried out by a qualified technician who is trained in the use of the
necessary tools and fixation materials.
•The product must be operated by persons who are instructed on
how the complete system functions.
•Maintenance tasks: The technician must be familiar with the use of
operating fluids and their disposal.
Definition of “qualified electrician”
A qualified electrician is a person with appropriate technical educa-
tion, knowledge and experience who can identify and prevent elec-
trical hazards.
The operator must confirm and ensure the field of authority, the
competence and the monitoring of the personnel. If the personnel do
not possess the necessary knowledge, they must be trained and in-
structed. If required, this can be carried out by the product manufac-
turer at the operator’s request.
2.3 Electrical work
•Electrical work must be performed by a qualified electrician.
•Nationally applicable guidelines, standards and regulations as well
as specifications issued by the local energy supply companies for
connection to the local power supply system must be observed.
•Before commencing work, disconnect the product from the mains
and secure it against being switched on again.
•The connection must be secured by means of a residual-current
device (RCD).
•The product must be earthed.
•Have defective cables replaced immediately by a qualified electri-
cian.
•Never open the control module and never remove operating ele-
ments.

en
Installation and operating instructions • Wilo-Stratos PARA-C/-CZ • Ed.01/2023-04 9
2.4 Operator responsibilities
•Provide installation and operating instructions in a language the
personnel can understand.
•Make sure that personnel are suitably trained for the specified
work.
•Verify the area of responsibility and individual responsibilities of
personnel.
•Provide the necessary protective equipment and make sure that
personnel wear it.
•Ensure that safety and information signs mounted on the device
are always legible.
•Train personnel with regard to the operating principles of the sys-
tem.
•Eliminate risks from electrical current.
•Equip hazardous components (extremely cold, extremely hot, ro-
tating, etc.) with a guard to be provided by the customer.
•Remove leakages of hazardous fluids (e.g. explosive, toxic or hot) in
such a way that no danger is posed to persons or the environment.
Comply with national statutory provisions.
•Keep highly flammable materials at a safe distance from the
product.
•Ensure compliance with the regulations for accident prevention.
•Ensure compliance with local directives or general directives [e.g.
IEC, VDE, etc.] and instructions from local energy supply compan-
ies.
Follow all information that appears on the product and ensure that it
remains permanently legible:
•Warning and hazard notices
•Rating plate
•Direction of rotation arrow/symbol for direction of flow
•Labelling of connections

en
10 Installation and operating instructions • Wilo-Stratos PARA-C/-CZ • Ed.01/2023-04
This device can be used by children from 8years of age as well as
people with reduced physical, sensory or mental capacities or lack of
experience and knowledge if they are supervised or instructed on the
safe use of the device and they understand the dangers that can oc-
cur. Children are not allowed to play with the device. Cleaning and
user maintenance must not be carried out by children without super-
vision.
2.5 Safety instructions
Electrical current
DANGER
Electric shock!
The pump is operated electrically. An electric shock may be a danger to life!
•Have only qualified electricians carry out work on electrical com-
ponents.
•Before all work, deactivate the power supply (also SSM if necessary)
and safeguard against accidental switch-on. Work on the pump
may only be started after 5 minutes have elapsed due to the dan-
gerous residual contact voltage.
•Never open control module and never remove operator controls.
•Only operate the pump with intact components and connection
cables.
Magnetic field
DANGER
Magnetic field!
When dismantled, the permanent magnet rotor inside the pump can pose a risk of fatal injury
for people with medical implants (e.g. pacemakers).
•Never remove the motor impeller unit.