Installing The Plant; Electrical Installation - Kärcher HWE 4000 Gas Manual Del Usuario

Installing the plant

The plant may only be installed by authorised
technicians!
– The heating appliance of the machine is an ignition plant.
Please follow the local regulations while installing it.
– A main switch that can be locked is to be installed at a safe
and easily accessible place to switch off the entire heating
unit.
– Use only certified chimneys/exhaust pipes.
Specifications, guidlines and regulations for
– The high pressure cleaning unit is subject to a commissioning
test according to the statutory requirements in the country of
installation.
(see "Installation certification/ Startup testing")
– The high pressure unit is to be subjected to recurring tests ac-
cording to the statutory requirements in the country of instal-
lation. The test contents and the test frequency are to be fol-
lowed according to the pressure appliance directive DGRL
97/23/EG and the national regulations.
(see "Recurring tests")
Note: Please follow the national and local regulations for:
 Electrical installation
 Water installation
 Heating rooms
 Fluid spray jets (for high pressure cleaning units)
 Gas installation

Electrical installation

DANGER
Danger of injury by electric shock.
– The electrical connections must be done by an electrician ac-
cording to IEC 60364-1.
– The power supply designed for operating the plant must be
suitable for continuous operations.
– Provide a emergency stop switch after fuse 1 x 10A (neutral).
 Install the emergency stop switch at the entrance door to the
heating room (see circuit plan).
38
General
installation
According to applicable regulations, the appliance must
never be used on the drinking water net without a system
separator. Ensure that the connection of your building
water installation on which the high-pressure cleaner is
operated is equipped with a system separator pursuant to EN
12729 Type BA.
Water that was flowing through a system separator is considered
non-drinkable.
CAUTION
Always connect the system separator to the water supply, never
directly to the appliance!
 Install stop-valves in the water inlets.
 Install a movable pressure hose between the connection to
the water supply network and the (high pressure) cleaning
unit.
 Design the water supply for continuous operations.
– Install the high pressure/ hot water plant in a safe dry atmos-
phere and in a way that these can be accessed easily for re-
pairs and maintenance.
– The ambient temperature must be below 40 °C.
– Provide adequate space for maintenance and repairs jobs.
– Provide water drainage for the safety valves and for the plant
during maintenance jobs.
– Lay the exhaust pipe between the hot water generator and
the chimney in such a way that it is short and there is easy
flow.
– Design the chimney cross-section according to the max. ther-
mal output.
– Hang the general operating instructions in the heating room
so that they are easily visible.
If the design of the heating room is subject to "Heating room
guidelines", then you need to prepare an installation report with
the following contents:
– Shortcomings in installing the danger switch, the main gas
shut-off system and the ventilation/ exhaust systems.
– Results of the leakage tests in the boiler firing system.
– Signature of the plant operator or his representative.
– On continuous on-demand heaters, the safety valve must be
installed in the immediate vicinity of the boiler end.
– The clearance between the connection pipe section and the
safety valve must be at least as large as the entry cross sec-
tion of the safety valve.
High pressure installation
– Use only those installation materials that are permitted for use
for the expected operating pressure.
– Install a movable high pressure hose between the building-
side high pressure pipe and the high pressure cleaning unit.
– As far as possible, lay the high pressure pipes straight and
rinse them thoroughly before startup.
– Provide for heat expansion and effects of pressure. Use
dead-beat loose and fixed clamps.
– The lines necessary for the gas supply are to be properly in-
stalled according to the applicable regulations.
16
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EN
Water installation
Heating rooms
Safety valve