Wilo BM-S User manual

Pioneering for You
Wilo-Connect module BMS
4257831 • Ed.02/2023-10
en Installation and operating instructions

Connect module BMS
https://qr.wilo.com/1680

en
Installation and operating instructions • Wilo-Connect module BMS • Ed.02/2023-10 3
Table of Contents
1 General information ..........................................4
1.1 About these instructions..........................4
1.2 Copyright ....................................................4
1.3 Subject to change......................................4
2 Safety ..................................................................4
2.1 Identification of safety instructions .......4
2.2 Personnel qualifications ...........................5
2.3 Danger in the event of non‑observance
of the safety instructions .........................6
2.4 Operator responsibilities ..........................6
2.5 Safety instructions for inspection and in-
stallation work ...........................................7
2.6 Unauthorised modification and manufac-
ture of spare parts .....................................7
2.7 Improper use...............................................8
3 Transport and storage.......................................8
3.1 Scope of delivery .......................................8
3.2 Transport inspection.................................8
4 Intended use.......................................................8
4.1 Compatibility of the firmware .................9
5 Product information ..........................................9
5.1 Type key......................................................9
5.2 Technical data............................................9
6 Description and function ............................... 10
6.1 Analogue input 0-10V ...........................11
6.2 Digital input..............................................12
6.3 Digital output (changeover contact relay)
....................................................................12
6.4 Other functions........................................13
7 Installation and electrical connection .......... 13
7.1 Installation................................................14
7.2 Electrical connection...............................15
8 Commissioning/ Functional test................... 17
8.1 Settings.....................................................17
8.2 Settings for pumps without suitable dis-
play ............................................................23
9 Maintenance.................................................... 23
10 Faults, causes and remedies .......................... 23
11 Spare parts....................................................... 24
12 Disposal............................................................ 24
12.1 Information on the collection of used
electrical and electronic products ........ 24

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4 Installation and operating instructions • Wilo-Connect module BMS • Ed.02/2023-10
1 General information
1.1 About these instructions
These instructions form part of the product. Compliance with the instructions is essential for correct hand-
ling and use:
•Read the instructions carefully before all activities.
•Keep the instructions in an accessible place at all times.
•Observe all product specifications.
•Observe the markings on the product.
The language of the original operating instructions is German. All other languages of these instructions are
translations of the original operating instructions.
1.2 Copyright
WILO SE © 2023
The reproduction, distribution and utilisation of this document in addition to communication of its contents
to others without express consent is prohibited. Offenders will be held liable for payment of damages. All
rights reserved.
1.3 Subject to change
Wilo shall reserve the right to change the listed data without notice and shall not be liable for technical inac-
curacies and/or omissions. The illustrations used may differ from the original and are intended as an exem-
plary representation of the product.
2 Safety
These operating instructions contain basic information which must
be adhered to during installation and operation. For this reason, these
installation and operating instructions must, without fail, be read by
the service technician and the responsible qualified personnel/oper-
ator before installation and commissioning.
Not only must the general safety instructions listed under this main
"Safety" section be adhered to, but also the special safety instruc-
tions that are marked by danger symbols and included under the fol-
lowing main sections.
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:

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Installation and operating instructions • Wilo-Connect module BMS • Ed.02/2023-10 5
•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.
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 – hot surfaces
Danger for electrostatic sensitive components (ESD)
Notices
2.2 Personnel qualifications
Staff must:
•be instructed about locally applicable regulations governing acci-
dent prevention,

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6 Installation and operating instructions • Wilo-Connect module BMS • Ed.02/2023-10
•have read and understood the installation and operating instruc-
tions.
Personnel must have the following qualifications:
•Electrical work: a qualified electrician must carry out the electrical
work.
•The product must be operated by persons who have been instruc-
ted on how the complete system functions.
•Maintenance work: 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.
2.3 Danger in the event of non‑observance of the safety in-
structions
Non-observance of the safety instructions can result in risk of injury
to persons and damage to product/unit. Non-observance of the
safety instructions will render any claims for damages null and void. In
particular, non-observance can, for example, result in the following
risks:
•Danger to persons due to electrical, mechanical and bacteriological
factors
•Damage to the environment due to leakage of hazardous materials
•Damage to property
•Failure of important product/unit functions
•Failure of required maintenance and repair procedures
2.4 Operator responsibilities
The operator must:
•Provide the installation and operating instructions in a language
which the personnel can understand.

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Installation and operating instructions • Wilo-Connect module BMS • Ed.02/2023-10 7
•Make sure that personnel are suitably trained for the specified
work.
•Verify the area of responsibility and individual responsibilities of
personnel.
•Train personnel with regard to the system operating principles.
•Eliminate any risk from electrical current.
•Ensure compliance with the regulations for accident prevention.
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 for inspection and installation work
The operator must ensure that all inspection and installation work is
carried out by authorised and qualified personnel who are also suffi-
ciently informed from their own detailed study of the installation and
operating instructions.
Work on the product/unit may only be carried out when the system is
at a standstill. The procedure described in the installation and operat-
ing instructions for shutting down the product/unit must be strictly
observed.
Immediately after completing work, all safety and protective devices
must be put back in position and/or recommissioned.
2.6 Unauthorised modification and manufacture of spare parts
Unauthorised modification and manufacture of spare parts will impair
the safety of the product/personnel and void the manufacturer’s de-
clarations regarding safety.

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8 Installation and operating instructions • Wilo-Connect module BMS • Ed.02/2023-10
•Only carry out modifications to the product following consultation
with the manufacturer.
•Only use original spare parts and accessories authorised by the
manufacturer.
The use of other parts will absolve the manufacturer of liability for
any consequences arising therefrom.
2.7 Improper use
The operational reliability of the supplied product is only guaranteed
if used as intended and in accordance with section4 of the installa-
tion and operating instructions. The limit values must on no account
fall under or exceed those values specified in the catalogue/data
sheet.
3 Transport and storage
3.1 Scope of delivery
•Wilo-Connect module BMS
•Installation and operating instructions
3.2 Transport inspection
Check delivery immediately for damage and completeness. Where necessary make a complaint immediately.
CAUTION
Damage due to incorrect handling during transport and storage!
Protect the product from moisture, frost and mechanical damage during transport and tem-
porary storage.
Protect the product against temperatures outside the range of -30°C to +70°C.
Only store in original packaging.
4 Intended use
•The Wilo-Connect module BMS is designed for external control and operating status signalling of Wilo
pumps.
•The Wilo-Connect module BMS is not designed for safety-related deactivation of the pump.

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Installation and operating instructions • Wilo-Connect module BMS • Ed.02/2023-10 9
DANGER
Risk of fatal electrical shock!
If used improperly, there is danger of death due to electric shock!
• Never use the control inputs for safety functions.
• Never install the module in non-compatible devices.
4.1 Compatibility of the firmware
The module’s full range of functions is only guaranteed for pumps with Wilo-Connectivity Interface:
Pump Comments
Wilo-Stratos PICO
Wilo-Stratos PICO plus
with Wilo-Connectivity Interface (model from 2022)
Wilo-Stratos PICO-Z with Wilo-Connectivity Interface (model from 2023)
NOTICE
When the module is installed, the software version of the module can be called up via the
“SW version” menu and is shown on the pump display.
For compatibility with products not listed above, see
www.wilo.de/automation (German), www.wilo.com/automation (English).
5 Product information
5.1 Type key
Example: Wilo-Connect module BMS
Connect module Function interface
BMS = for Building Management Systems
5.2 Technical data
Technical data
General data
Ambient temperature -10°C to +60°C
Storage temperature -30°C to +70°C
Protection class IP55
Module mating cycles Max.50
Terminal cross-section Max. 1.5mm² (solid or finely stranded without end
sleeves)
Electric circuit SELV, galvanically isolated

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10 Installation and operating instructions • Wilo-Connect module BMS • Ed.02/2023-10
Technical data
SSM/SBM interface relay output
Cable length 200m (max.)
Version Potential-free
Safety in accordance with EN60335 Mains voltage up to 230V *)
Voltage range 5…250VAC
12…30VDC
Current load AC: 5A max. AC1
DC: 5A max. DC1
Digital input (configurable)
Interface For potential-free contact, or 24VDC input voltage
Cable length 200m (max.)
Version SELV, isolated
No-load voltage Min. 3.3V
Dielectric strength Max. 30VDC
Loop current Approx. 3.3mA
Analogue input 0-10
Version*SELV, isolated
Cable length 200m (max.)
Input resistance > 10kOhm
Voltage range 0…10V
Accuracy 5% absolute
Dielectric strength Max. 24VDC
*) When connecting to IT networks (Isolé Terre electrical system), always make sure that the voltage
between the live wires (L1-L2, L2-L3, L3-L1) does not exceed 230V. In case of fault (earth fault), the
voltage between the live wire and PE must not exceed 230V.
6 Description and function
The Wilo-Connect module BMS adds communication interfaces for controlling and reporting operating states
to the pump.
The module is connected to the pump via the Wilo-Connectivity Interface (slot for external modules).
NOTICE
Observe the installation and operating instructions of the respective pump!