5.4 Connecting the supply lines
5.4.1 Connecting the cooling water supply
Seen from the shaft extension, the water can be connected from the right or from the left. The
size of the connecting threads is described in the "Technical data".
Procedure
1. For the pipes, select materials with the required chemical composition in accordance with
the water conditions. Also consider the pressure load and compatibility with the materials
from which the cooler is made.
2. Route and support the water pipes so that the connecting flanges are not exposed to
excessive stress or strain or vibration loads.
3. Remove the screw plug.
4. User suitable sealant to seal the screw plug thread.
5. Flush the water circuit before you connect the cooling water supply to the motor. This
removes deposits and foreign bodies.
6. Should there be a possibility of the cooling water containing dirt and foreign bodies, install
suitable filters in the cooling-water feed pipe.
7. Connect the cooling circuit to the machine.
NOTICE
Machine damage due to overheating
If the cooling water cannot flow freely, the machine will not be cooled properly. The
machine will overheat, which could result in material damage or even total damage.
Filling the cooling circuit
1. Fill the cooling circuit with water until the air is completely forced out of the cooling circuit.
2. Perform a pressure check to see whether the cooling water supply is airtight. The maximum
test pressure must not be exceeded. The maximum permissible pressure can be found on
the rating plate.
If you do not then put the machine into operation, you must implement the measures necessary
during stoppages.
5.5 Complete the installation work
1. Check that all of the screw connections are correctly tightened.
2. Once you have completed the installation work, remove all objects – such as tools, cloths,
deposits of dirt and moisture, etc. – from the machine.
Assembly
5.4 Connecting the supply lines
SIMOTICS HV C 1NA14544WA600AG0-Z
Operating Instructions 06/2018 49
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