Potential equalization
Connect all components within the cooling system (e.g. energy storage de‐
vice, heat exchanger, pipe system, pump, pressure compensation container,
etc.) with a potential equalization. Do the potential equalization with a copper
bus bar or copper wire with an appropriate conductor cross-section.
Coolant ducts must not contact live parts. Please observe sufficient insulation
according to the regulations valid for the place of installation.
Cleaning the coolant circuit
Inspect and clean (purge) the cooling system at regular intervals as specified
in the machine and cooling system manufacturer's maintenance schedule.
Note that the utilization of unsuitable cleaning agents may cause irreversible
damage to the energy storage device cooling system. This type of damage
does not lie within the responsibility of Bosch Rexroth.
Damage to the energy storage device cooling
system due to unsuitable cleaning agents!
NOTICE
●
The only liquids or materials allowed to be used for cleaning and energy
storage device cooling are those which do not corrode the cooling sys‐
tem or do not react aggressively to the materials used in Bosch Rexroth
motors.
●
Refer to the instructions of the manufacturers of the cleaning agent and
the cooling system.
Coolants
The coolant must comply with certain criteria and treated accordingly (see
9-7 "Coolant characteristics" on page 42
). To ensure corrosion protection
and chemical stabilization, an additive must be admixed to the cooling water.
The selected coolant additives (biocides, inhibitors) must comply with the ma‐
terials in the cooling system (e.g. copper, brass, stainless steel, etc.) and
minimize the micro-biological growth. Pay attention to environmentally friend‐
ly materials.
A cooling with floating water from the supply network is not allowed. Floating
water can cause sediments (chalk) or corrosion within the cooling system.
In the case of other used coolants than water (e.g. oil), a perform‐
ance reduction of the energy storage device can be necessary to
dissipate the created power loss. In this case, please contact your
Bosch Rexroth sales partner.
Damage to the energy storage device due to
missing or incompatible coolant water!
NOTICE
●
For this reason, water-cooled energy storage devices may only be oper‐
ated as long as coolant supply is ensured.
●
Do not use any cooling lubricants or cutting materials from machining
processes for cooling.
●
Using aggressive coolant additives or additives can lead to irreparable
damage to the energy storage devices.
The dimensioning of the cooling system is in the responsibility of
the machine manufacturer.
BA1N Kinetic Energy Buffer
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Application notes
R911393264_Edition 01 Bosch Rexroth AG
Summary of Contents for Rexroth BA1N
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