KKT chillers vBoxX 10, Инструкция по эксплуатации

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III. Maintenance intervals in accordance with the VDMA
Explanation yearly ½ -
yearly
if neces-
sary
Com-
ment
Compressor
1 Check outside for dirt, damage and corrosion x x
2 Check for fixing and running noises x
3 Measure suction pressure x
4 Measure the suction gas temperature upstream
of the compressor x
5 Measure compression end temperature at the
discharge connection socket x
6 Check oil level x
7 Check oil for acid content (acid test) x
8 Oil change x
9 Check the function of the crankcase heater x
10 Check the function of the output control x
11 Check refrigerant side for leaks x
12 Check high/low pressure switching device x
Air-cooled condenser
20 Check outside for dirt, damage and corrosion x x
21 Measure the condensing temperature x
22 Measure the undercooling temperature at the
condenser outlet on the refrigerant side
x
23 Measure the medium temperature at the
condenser inlet and outlet
x
24 Check the function of the condensation pressure
control
x
25 Check refrigerant side for leaks x
Evaporator
30 Check outside for dirt, damage and corrosion x
31 Determine the refrigerant overheating
temperature
x
32 Measure the medium temperature at the
evaporator inlet and outlet
x
33 Determine the frost protection temperature
(freezing point) of the heat transfer media
x
34 Check the water and refrigerant side for leaks x