Installation and maintenance manual
H.I.B Hydac International Page 25 of 36
Version: G/DV
Date: 11.01.2023
11.2 Commissioning
The following points must be observed before commissioning:
1. Hydraulic connections of the cooling system – see section 10.2 Hydraulic connection.
2. All supply lines must be connected correctly – see section 10.3 Electrical connection
and section 11.1 Preparation.
3. Make sure all shut-off devices are open. Check there is free flow in all lines.
4. Before filling, check the concentration of the operating medium to ensure adequate
antifreeze and corrosion protection as required.
5. Before commissioning, fill the tank (optional) with permitted operating medium:
Use only the approved coolant!
Wear protective equipment during the filling process
Use only clean coolant. Make sure no dirt gets into the tank.
If required, open maintenance flap:
Open filler neck (1) of the tank and fill up with operating medium slowly (5–10
l/min) until the MAX level (2) is reached.
During filling, constantly check the filling level in the tank (if tank present)
For systems without their own tank, the entire overall system must be
completely filled with coolant. (Please ensure that the lines have been vented!)
Switch on cooler and fill up operating medium, multiple times if needed, until the
MAX level is reached.
Operating medium circuit is completely filled and vented
Seal the filler neck of the tank
Re-attach the maintenance flap (optional)
6. Check:
Leaktightness of the supply lines
The chiller may only be operated with closed housing. Otherwise it can cause failure
of the device.
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