KAESER ASK 27, Руководство по обслуживанию

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Heat recovery
The additional volume corresponds to the oil volume of the heat exchanger and the connecting
lines:
ASK 27 ASK 32 ASK 35
Additional charge vol‐
ume [l]*
* Enter the volume required by your heat recovery system.
Tab. 22 Cooling oil charge (Option W1)
2.13 Power Supply
Basic requirements
The machine is designed in accordance with the conditions for an electrical power supply specified
by EN 60204-1 (IEC 60204-1 section 4.3.
In the absence of other user-specified conditions, the limits laid down in this standard must be ad‐
hered to.
It is recommended that the user and the supplier reach an agreement on the basis of the
EN 60204-1, ANNEX B.
The machine requires a symmetrical three-phase power supply.
In a symmetrical three-phase supply the phase displacement and voltages are equal for all phases.
The machine may only be operated from an earthed TN or TT three-phase supply.
Connection to an IT supply is not permitted without taking further measures (earth leak detection,
etc.).
Further requirements
Demands on a three-phase supply for a machine with the following equipment:
■ Refrigeration dryer powered from a transformer
This machine may only be supplied from an earthed TN or TT three-phase supply in which the
neutral point is earthed.
The machine may not be connected to a three-phase supply in which one of the phases is earthed,
as this can lead to dangerous voltage surges.
Connection to an IT network is not permitted without further measures being taken (earth leak de‐
tection, specially designed frequency converter, etc.).
Further information The wiring diagram in chapter 13.4 contains further details of the power supply connection.
2.14 Power supply specifications
The following supply cable conductor diameters (copper multi-core) and fusing (slow-blow class gL/
gG) are selected according to the German DIN VDE 0100-430 (IEC 60364-4-43 and
IEC 60364-4-473) and DIN VDE 0298-4 standards for 30°C ambient temperature and wiring
type C.
2 Technical Specifications
2.13 Power Supply
9_5717 20 E
Service Manual Screw Compressor
ASK T SIGMA CONTROL BASIC
11
Option W1