Keba ServoOne Series - Hydrological Data for the Liquid Cooling

Operation Manual ServoOne Supply Unit
80
ID no.: 1101.21B.6-00 Date:04/2020
NOTE:
Do not use material combinations with contact corrosion in the cooling circuit,
such as aluminium and copper. This can lead to leaks and blockages of the
cooling lines.
Size BG5 BG6a BG7
Device
SO84.040
SO84.076
SO84.115
SO84.170
SO84.375
SO84.540
Coolantpressure
(ratedvalue/
maximumvalue)

1bar/
2bar
Coolant ow rate
1)
(rated valueapprox. /
maximum value approx.)
8lpermin/
11lpermin
11lpermin/
13lpermin
12lpermin/
14lpermin
1) For devices without internal braking resistor
Table A.13 Hydrological data for the liquid cooling
NOTE:
The requirements on liquid-cooled devices as per DIN EN 61800-5-1 are to be
ensured by the user. On this issue pay attention in particular to the require-
ments in chapter 3.5 / 4.2.2 / 4.2.3 / 4.5
A.4 Hydrological data for the liquid cooling
CAUTION! Damage to the device due to condensation on the cooling plate
• Carelessness can cause condensation on the cooling plate and as a
consequence irreparable damage to the device!
Thetemperatureofthecoolingplateisnotallowedtobemorethan10°Cbelowtheambi-
enttemperature.
NOTE:
Adequate heating of the water chiller is to be provided by the customer.
Requirements Limits
Coolantquality
Recommended:tapwater+corrosioninhibitor
Corrosionprotectionthrough:10-20%volEthyleneglycol
Limit concentrations:
Calcium <50ppm
Magnesium <50ppm
Totalalkalineearthions <100ppm
Chlorides <25ppm
Sulphates <25ppm
Soiling
Thecoolantmustbeaspureaspossibletoensurethechannelsarenotclogged.With
asuspendedmatterconcentrationofmorethan15mg/dm³,continuouspurication
isrecommended.
Coolanttemperature
Thecoolanttemperaturecanbebetween5°Cand40°C.However,thecoolant
temperaturemustnotbemorethan10°Kbelowtheambienttemperaturetoprevent
condensationontheheatsink.
Coolerandcoolerconnec-
tionmaterial
Aluminium
Table A.12 Requirements, liquid cooling
Appendix