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4.2.2 Positioning the product
1. Position the base plate on a plane and solid
surface, for example a concrete floor or
foundation.
2. We recommend that you use vibration
dampers under the base plate.
3. If the base plate is not fitted with vibration
dampers, the base plate must be bolted to the
floor or foundation through the holes in the
base plate.
4.2.3 Pipe system
Fasten the pipes to parts of the build-
ing to ensure that they cannot move or
be twisted.
We recommend to use:
•
Vibration dampers for mounting the
base plate.
•
Pipe supporting brackets. The
pump is not built to withstand the
weight of a pipe system.
•
Flexible joints, flexible hoses and
pipe hangers to reduce vibration
noise in the pipe system.
We recommend that you install isola-
tion valves on both the inlet and outlet
side of CMBE TWIN.
1. Use thread sealing tape or similar to seal the
pipe connections.
2. Connect pipes to the inlet and outlet on both
pumps.
3. Install the pipes so that air pockets are
avoided.
4. If CMBE TWIN is installed above the liquid
level, for example if you pump from a tank or
reservoir, you must fit a foot valve in the inlet
pipe.
4.3 Electrical connection
DANGER
Electric shock
Death or serious personal injury
‐
Switch off the power supply to the
product including the power supply
for the signal relays. Wait at least 5
minutes before you make any con-
nections in the terminal box. Make
sure that the power supply cannot
be switched on accidentally.
DANGER
Electric shock
Death or serious personal injury
‐
Check that the supply voltage and
frequency correspond to the values
stated on the nameplate.
If the power cable is damaged, it must
be replaced by the manufacturer, the
manufacturer's service partner or a
similarly qualified person.
The user is responsible for correct
grounding and protection according to
local regulations.
All electrical connections must be car-
ried out by qualified persons.
4.3.1 Protection against electric shock,
indirect contact
WARNING
Electric shock
Death or serious personal injury
‐
Connect the product to ground and
provide protection against indirect
contact in accordance with local
regulations.
Ground conductors must have green or green
with yellow stripes color marking.
4.3.2 Protection against mains voltage
transients
The motor is protected against mains voltage
transients in accordance with EN 61800-3.
4.3.3 Motor protection
The product incorporates thermal protection
against slow overloading and blocking. No
external motor protection is required.
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