Oil/air cooler
Series OPC
Operating/Assembly instructions
KTR-N
Sheet:
Edition:
43211 EN
11 of 20
5
Please observe protection
note ISO 16016.
Drawn:
2019-10-23 Pz/Str
Replacing:
KTR-N dated 2017-01-02
Verified:
2019-11-04 Pz
Replaced by:
Before connecting the motor to the power supply
compare the specifications in the type label (see
illustration 11 or 12) of the motor to the voltage, fuse and
frequency of the mains.
Illustration 10: Torsional direction - fan
With the use in potentially explosive
atmospheres only electric motors and
pumps with ATEX approval may be
used.
The torsional direction of the fan and the air flow have to
comply with the arrows specified on the oil/air cooler (see
illustration 10).
The electric motors may only be connected
to the electric supply by qualified personnel.
Please observe the universal specifications
and electrical safety regulations!
!
Incorrect connections, damaged cables etc. may energize the components connected or
make the electric motor rotate in the wrong direction.
The cooler has a separate grounding connection. It has to be connected to the grounding of
the machine.
Please observe the operating instructions of the electric motor used by you.
Please observe the operating instructions of the pump used by you.
We recommend to use an overload protection for the electric motor.
The oil/air cooler is suitable for the use of mineral oil, synthetic oil and water glycol.
4
Assembly
4.5 Electrical connection
4.6 Cooling medium