6. Preparations at the workplace
Clarifying the situation and securing the
workplace
Have you made sure there are no hazardous pipes or
cables (gas, water, electricity etc.) in the cutting area?
Have the effects of the cutting work on the stability of
the structure been clarified and are the supports in place
capable of taking up the resulting loads?
Can the possibility of hazards or damage as a result of
the cooling water used be ruled out?
Have safety measures been implemented to ensure that
no persons can be injured or property and equipment
damaged by falling objects or debris that may fly off dur-
ing the sawing operation?
Can the parts of the structure that are to be sawn out be
removed safely in a controlled operation and subse-
quently disposed of?
Does the electric supply and water supply available for
use meet the specified requirements?
Is the required equipment in the correct specification
available for use?
Has the work to be carried out been approved in full by
the site engineer or architect?
Electric power supply / fuse rating –
DS WS10-E
CAUTION
Irrespective of whether using mains power or genera-
tor power, always check that an earth/ground conduc-
tor and ground fault circuit breaker are present in the
power supply and that these are connected. The fuse rat-
ing of the electric power supply at the construction site
must be as follows:
Voltage version
3 x 400 V
3 x 200 V
Fuse rating
32 A
63 A
Ground fault
circuit breaker:
30 mA (type A) 30 mA (type A)
6.6
6.5
DS WS10-E pin assignment
Voltage version 3 x 400 V
3 x 200 V
Pin assignment
3P+N*+PE
3P+PE
Plug type
32 A / 6 h
63 A / 9 h
Pin layout:
L1 = phase 1, L2 = phase 2, L3 = phase 3, N = neutral conductor, PE = earth conductor
* The 230 V power outlet on the control unit functions only when the neutral conductor
(N) is connected.
CAUTION
If required, the supplied CEE connector may be fitted to
your power cable by a qualified electrician.
Extension cables / conductor cross sections
Use only extension cables which are approved for the
intended field of use and with conductors of adequate
cross section. In accordance with EN 61029-1, con-
ductors must have at least the following cross sections:
1.5 mm
2
for 16 A, 4 mm
2
for 32 A and 10 mm
2
for 63 A
(conductor cross section = cross-sectional area of indi-
vidual conductors).
Inadequate conductor cross sections and long cables
result in a drop in voltage and may cause the cable to
overheat.
Extension cables must be fully unrolled before the machine
is operated.
Cooling water supply
At a water temperature of 30°C, a water flow rate of
approx. 7l/min is required to cool the drive unit (DS
WS10-E).
The machine’s automatic cut-out will be activated in the
event of inadequate cooling (DS WS10-E).
6.9
6.8
L1
L2
PE
L3
L3
L2
N
L1
PE
L
6.7
34
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Summary of Contents for DS WS10
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