Maintenance; Basic Maintenance - Lauda UC 2 Operation Manual

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MAINTENANCE

6.1 BASIC MAINTENANCE

Weekly:
Verify that the water temperature indicated on the controller display is approximately at the setpoint.
Verify the water level in the tank.
Verify the pressure drop of the water filter (on the "Info – Process circuit" screen of the Information screens
loop, see point 5.3). If the pressure drop exceeds 1.5 bar (22 psi) change the filter element.
Monthly:
With the Unit disconnected (Main power switch Off), clean the condenser removing dust/dirt with a soft
brush and/or vacuum clean the surface from the outside.
Do not use any detergents to clean the condenser.
Clean the housing, internally and externally, eliminating the dust present especially on the water pump rack.
Yearly:
Change the filter element and refill the circuit with water of the required quality (see annex 11.1), the
suitable glycol concentration according to point 4.1 and, if it's being used, the required volume of Refrifluid B
additive (2 litres per each 100 litres of water tank volume).
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