Electrical Data; Related Documents; Service; Service Documentation - Grundfos Hydro Multi-B Instrucciones De Instalación Y Funcionamiento

18. Electrical data

Supply voltage
See Hydro Multi-B nameplate.
Digital inputs
Open-circuit voltage
Closed-circuit current
Frequency range
All digital inputs are supplied with PELV voltage
Note
(Protective Extra-Low Voltage).
Analog inputs
Input current and voltage
Tolerance
Repetitive accuracy
Input resistance, current
Input resistance, voltage
Supply to sensor
All analog inputs are supplied with PELV voltage
Note
(Protective Extra-Low Voltage).
Digital outputs (relay outputs)
Normally open contacts
(DO1, DO2 and DO3)
Normally closed contacts
(DO4 and DO5)
Maximum contact load
Minimum contact load
All digital outputs are potential-free relay contacts.
Some outputs have a common C terminal.
Note
For further information, see the wiring diagram
supplied with the Hydro Multi-B.
Inputs for PTC sensor/thermal switch
For PTC sensors to DIN 44082. Thermal switches can also be
connected.
Open-circuit voltage
Closed-circuit current
Inputs for PTC sensors are electrically separated
Note
from the other inputs and outputs of the
Hydro Multi-B.
24 VDC
5 mA, DC
0-4 Hz
0-20 mA
4-20 mA
0-10 V
± 3.3 % of full scale
± 1 % of full scale
< 250 Ω
10 kΩ ± 10 %
24 V, maximum 50 mA per
sensor, short-circuit-protected
C, NO
C, NC, NO
240 VAC, 2 A
5 VDC, 10 mA
8 VDC ± 15 %
1.7 mA, DC

19. Related documents

Further product information about Hydro Multi-B booster systems
can be found in the following documents.
All documents are available on www.grundfos.com > International
website > WebCAPS.
Title
Data booklets
Grundfos Hydro Multi-B
Installation and operating instructions
CM
CRE, CRIE, CRNE, CRKE,
SPKE, MTRE, CME*
CU 323
Diaphragm tank

Service documentation

Service instructions
Service kit catalogue
Other documentation
**
* Only relevant for Hydro Multi-B booster systems, variants
E and ES.
** A wiring diagram is supplied with the booster system.

20. Service

20.1 Service documentation
Service documentation is available on www.grundfos.com >
International website > WebCAPS > Service.
If you have any questions, please contact the nearest Grundfos
company or service workshop.

21. Disposal

This product or parts of it must be disposed of in an
environmentally sound way:
1. Use the public or private waste collection service.
2. If this is not possible, contact the nearest Grundfos company
or service workshop.
Frequency Publication
[Hz] number
50/60 97896424
50/60 95121197
50/60 96564245
50/60 97775216
- 96550312
50/60 97916525
50/60 96488862
- -
Subject to alterations.
21