Installation and Operating Instructions

Fuses
Back-up fuse
Maximum 10 A. Both
standard fuses as well as
quick- and slow-blow
fuses are suitable.
Short-circuit protection
Use fuses that comply
with IEC 60127.
USA and Canada
(branch circuit
protection): Use a
UL/CSA listed non-time
delay (high capacity)
fuse that complies with
the UL248 series or an
inverse time circuit
breaker that complies
with UL489. Fuse types
RK1, RK5, J, and CC are
acceptable.
GENIbus master, for pump connection
Transceiver RS-485
Protocol GENIbus
Parity None
Stop bits 1
Transmission speed 9600 bit/s
GENIbus connection, for Grundfos GO Remote
PC
Transceiver
RS-485
Protocol GENIbus
Parity None
Stop bits 1
Transmission speed
9600 (default), 19200,
38400, 115200 bit/s
Modbus RTU
Transceiver
RS-485
Protocol Modbus
Parity None, odd, even (default)
Stop bits 1 (default), 2
Modbus address 1-247. Default: 247.
Transmission speed
9600 (default), 19200,
38400 bit/s
Environmental conditions
Max. altitude above sea
level
2000 m (6562 ft)
Relative humidity 95 %, non-condensing
Pollution degree Category 3
Enclosure class
IP54 according to IEC
60529
Type 2 according to UL
50
For indoor use only.
Ambient temperature
During operation
-20 to +45 °C
(-4 to +113 °F)
During storage
-20 to +60 °C
(-4 to +140 °F)
During transport
-20 to +60 °C
(-4 to +140 °F)
Related information
4.1 Location
10. Disposing of the product
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.
The crossed-out wheelie bin symbol
on a product means that it must be
disposed of separately from household
waste. When a product marked with
this symbol reaches its end of life, take
it to a collection point designated by
the local waste disposal authorities.
The separate collection and recycling
of such products will help protect the
environment and human health.
See also end-of-life information at
www.grundfos.com/product-recycling.
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English (GB)