HygroMatik MiniSteam MSE05, Руководство пользователя

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Page 16
7. Water connection
Risk of scalding!
Very hot water to be found in and around the
steam humidifier during and after operation
.
Have all installation work done by expert staff
in order to avoid scalding hazards due to
improper water guidance.
Risk of electrical shock!
Hazardous electrical high voltage!
Before starting installation work ensure that
the unit is not yet connected to the power
supply.
General Rules
•
Obey local water utility regulations
•
Verify that necessary safety mea-
sures have been taken – in compli-
ance with either German Technical
and Scientific Association for Gas
and Water (DVGW) guidelines (DIN
EN1717) or local regulations – to
eliminate backflow of polluted water
into drinking water treatment facili-
ties. This may require the installation
of a system separator and free
discharge into the drainage system.
Within the humidifier, a double
check valve (58) is located in the
water supply line. It prevents - in
accordance with DIN EN 61770 - the
backflow of water. As an option for
installation by the customer, the
DVGW-conform
HyFlow system
separator or a after market system
separator of the BA/CA type are
available from HygroMatik.
•
Use feed water without chemical
additives and with a conductivity
between 200 and 800 µS/cm only.
Beyond conductivity levels of
800µS/cm up to a maximum of
1250µS/cm and below conductivity
levels of 200µS/cm to a minimum of
125µS/cm, special adjustments are
required. In this case please contact
your specialist dealer
• Supply water must not exceed 40
°C (104 °F)
• Allowable range of water pressure:
100000 to 1000000 Pa (14.5 to 145
psi)
• For connection to the water supply
pipe, make use of a water hose
• Blow-down water must drain freely
7.1 Operation with softened
water
Do not use softened water unless special
measures are taken!
When feeding softened water into the Hygro-
matik steam humidifier, the aspects outlined
below must be taken into account.
Softened water may cause
•
unacceptably high conducivity
•
the formation of salt bridges
between the electrodes and the
electrode leads on the inner surface
of the steam cylinder upper part
•
foaming in the steam cylinder
Salt bridges may cause electrical arcs. These
are indicated by the presence of black
grooves in the top part of the cylinder. The
cylinder must then be replaced to prevent fur-
ther damage to the cylinder material, as well
as short circuits which may trip main circuit
breaker.
Foam may come into contact with the maxi-
mum level sensor electrode and trigger the
max. level status message despite the cylin-
der not being full yet and the nominal current
not yet established.
With softened water, at operating tempera-
ture conductivity level usually is higher than
is the case with tap water.
If using a water softening system, we
recommend diluting the softened water with
normal tap water to produce an overall
hardness between 4-8°gH . This value can
be set lower if the water does not foam.
:$51,1*
:$51,1*
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