6.7.2 Option K2/K9
Connecting the cooling water
➤ Take the electrochemical series into consideration and choose suitable materials for wa‐
ter connections.
➤ Keep the effect of pressure surges on the coolers as low as possible.
➤ Install an expansion tank to act as a pulsation damper if pressure surges cannot be avoi‐
ded.
➤ Avoid a low inlet temperature for the cooling water as it can cause condensation. If re‐
quired, contactKAESER for suitable insulation measures.
Temperature-controlled cooling water supply systems, to which numerous machines are connec‐
ted, regulate the water flow rate according to the difference in temperature between the supply and
the return water. Individual machines may not receive an adequate flow under this system. Break‐
downs are the result.
➤ KAESER can advise on how to ensure the cooling water supply via suitable control
valves.
Fig. 13 Connecting the cooling water
A
Cooling water outlet
B
Cooling water inlet
10
Shut-off valve
12
Connection port with plug
17
Pressure relief valve
1. The user is to provide the following fittings:
■ Dirt traps (grid size according to permissible particle size.
■ Shut-off valves
10
and connection ports
12
for maintenance and venting
■ Pressure relief valve
17
to prevent build-up of excessive pressure.
Activating pressure and blow-off capacity of the safety valve are governed by the user's in‐
stallation design. The technical specification of the cooler must be taken into account.
2. Connect the cooling water lines to the fittings.
3. Open the shut-off valve on the cooling water outlet
A
.
4. Slowly open the cooling water inlet shut-off valve
B
to gradually fill the cooler with water.
5. Bleed air from the water lines.
Further information The dimensional drawing in chapter 13.2 gives the flow direction, size and location of the connec‐
tion ports.
6
Installation
6.7
Options
ESD_2C_10357405_10–LIN_00 E
Service Manual Screw Compressor
ESD 442/14 bar (abs) SFC SIGMA CONTROL 2
41
Summary of Contents for ESD 352 SFC
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Page 175: ...Contents ii Quick user guide Controller SIGMA CONTROL 2 SCREW FLUID 1 1 3 9_9450 03 USE...
Page 215: ...Contents iv Service manual Controller SIGMA CONTROL 2 SCREW FLUID 1 1 3 9_9450 03USE...
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