Commissioning The Cooling Circuit; Checklist For Commissioning The Cooling Circuit With Heat Exchanger Module - Siemens SINAMICS S120 Manual

Commissioning the cooling circuit

5.1 Checklist for commissioning the cooling circuit with Heat Exchanger
Module
Use the following checklist when commissioning the cooling circuit. Read the Chapter
"Fundamental safety instructions" before you start working on the cabinet.
For information on the activities, see Section "Commissioning the cooling circuit" or refer to
the documents listed in the table below.
Note
Checking the checklist
Check the boxes accordingly in the right-hand column if the option involved applies to the
scope of delivery. In the same way, check the boxes once you have finished the installation
procedure to confirm that the activities have been completed.
Table 5- 1 Checklist for commissioning the cooling circuit
Item Activity
General information
1 Carefully check that all of the pipes are firmly installed, especially for separately sup-
plied transport units. Do not retighten the marked pipe unions.
2 In the Heat Exchanger Module, connect the external power supply for the pump at
terminal -X1.
3 In the Heat Exchanger Module, connect the external 24 V DC power supply to terminal
-X6/1.3.
4 In the Heat Exchanger Module, connect the TM31 with the appropriate CU320-2 Con-
trol Unit via DRIVE-CLiQ to control the cooling system. Generally, this is the Control
Unit, which also controls the infeed of the drive lineup.
5 Fill and vent the cooling circuit.
6 Switchover to manual mode and start the pump.
7 Check the direction of rotation of the pump.
8 Set the differential pressure using the intake valve.
9 Set a temperature setpoint
10 If necessary, change the temperature limits for alarm/fault.
Note
Description of how the Heat Exchanger Module is controlled
A description of the Heat Exchanger Module control is provided in the "Heat Exchanger
Module Function Manual", which is provided on the DVD included in the scope of supply.
Cabinet Modules liquid cooled
Equipment Manual, 04/2020, A5E37067587A
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