Servicing And Repair; Servicing Intervals To Vdi 3033; Inspecting The Heat Transfer Liquid; Cleaning The Condenser - Lauda E 4 G Operating Instructions Manual

ECO GOLD
9.4

Servicing and repair

9.4.1

Servicing intervals to VDI 3033

Device part
Complete device
External condition of device
Heat transfer liquid
Analysis of heat transfer liquid (
Bath vessel with drain tap
Sealing
External hoses
Material fatigue
Chiller
Cleaning of condenser
Electronics
Overtemperature protection
Low-level protection
9.4.2

Inspecting the heat transfer liquid

If the heat transfer liquid becomes contaminated or degenerated, it should be renewed (
If necessary, the heat transfer liquid should be checked for fitness for use (e.g. with a change of application),
or at least once yearly. Further use of the heat transfer liquid is only permissible if the inspection indicates
this.
The heat transfer liquids should be inspected according to DIN 51529.
9.4.3

Cleaning the condenser

−
28.04.10/ YACE0088
Frequency
Each time device is put into operation and then:
Monthly
9.4.2)
Daily
Monthly
( 9.4.3)
( 9.1.1)
( 9.1.2)
To avoid damage, remove the front grille slowly and carefully.
−
The cooling circuit is largely maintenance-free. De-
pending on the operating time and the amount of dust
present in the device environment, remove the dust
from the condenser at intervals of two weeks or longer.
−
To do this, remove the front grille by grasping it at the
bottom with both hands and pulling the grille to the
front.
−
Then brush down the condenser and, where neces-
sary, blow it out with compressed air.
Maintenance
Remarks
External inspection
External inspection
Cooling thermostat
6.3 and 6.4).
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