3. Make sure that the appropriate volume of cooling water is available, see Rating Plate
(Page 21).
4. Hold the hexagon head with an open-ended wrench while you screw in the water pipes.
5. Screw the cooling water pipes into the female thread. You can connect the inlet and outlet
as required.
NOTICE
Securing the hexagonal couplers
The hexagonal couplers are connected directly to the water pipes inside the machine.
Applying excessive torque when screwing in can damage the pipe system.
Hold the couplers steady with an open-ended wrench when you screw in the water pipes.
6. Ensure that the maximum permissible operating pressure does not exceed 6 bar.
The pressure drop is determined by the machine type and the shaft height:
Table 5-5 Rate of flow and pressure drop
Type Flow rate Pressure drop
1PH8 184 15 l/min 0.6 bar
1PH8 186 15 l/min 0.7 bar
1PH8 224 25 l/min 0.9 bar
1PH8 226 25 l/min 0.9 bar
1PH8 228 25 l/min 0.9 bar
Mounting
5.4 Connecting the cooling water supply
SIMOTICS M-1PH8 1PH818., 1PH822.
66 Operating Instructions 07/2016
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