Grundfos CMBE Series User Manual

English (GB)
9
6. Electrical connection
Check that the supply voltage and frequency
correspond to the values stated on the nameplate.
6.1 Cable requirements
See section 13.4 Cable requirements for more
information on cable cross-sections and conductor
types.
6.1.1 Motor protection
The pump requires no external motor protection. The
motor incorporates thermal protection against slow
overloading and blocking, TP 211 according to IEC
34-11.
6.1.2 Protection against mains voltage transients
The pump is protected against voltage transients by
built-in varistors between the phases and between
phases and earth.
DANGER
Electric shock
Death or serious personal injury
- If national legislation requires a
Residual Current Device (RCD) or
equivalent in the electrical installation,
this must be type B or better, due to the
nature of the constant DC leakage
current. The RCD must be marked with
the following symbols:
WARNING
Electric shock
Death or serious personal injury
- Carry out the electrical connection in
accordance with local regulations.
WARNING
Electric shock
Death or serious personal injury
- Check that the power plug delivered
with the product is in compliance with
local regulations.
- The protective earth of the power outlet
must be connected to the protective
earth of the product. The plug must
therefore have the same PE connection
system as the power outlet. If not, use a
suitable adapter if allowed by local
regulations.
WARNING
Electric shock
Death or serious personal injury
- A supply disconnecting device made
according to EN 60204-1 5.3.2 must be
provided with means permitting it to be
locked in the OFF (isolated) position.
This device must also be installed in a
position according to EN 60204-1,
5.3.4.
WARNING
Electric shock
Death or serious personal injury
- Power cables without a plug must be
connected to a supply disconnecting
device incorporated in the fixed wiring
according to local regulations.
WARNING
Electric shock
Death or serious personal injury
- Comply with local regulations as to
cable cross-sections.

Grundfos CMBE Series Specifications

General

Power Supply	Electric
Maximum Liquid Temperature	60°C
Enclosure Class	IP55
Installation	Horizontal
Frequency	50/60 Hz
Housing Material	Stainless steel
Seal Type	Mechanical seal
Weight	Varies by model
Pump Type	Multistage Centrifugal Pump
Head Range	Up to 60 m
Material	Stainless steel and composite materials
Control	Variable Speed Control
Applications	Domestic water supply, irrigation, pressure boosting
Approvals	CE
Impeller Material	Composite or Stainless Steel (varies by model)
Maximum Inlet Pressure	6 bar