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English
HDS 601 C
11
Incorrect direction of rotation. If
direction of rotation is correct,
powerful jet of air will be felt at
exhaust-gas opening of burner.
–
Check direction of rotation. If
necessary, have connection
replaced by a qualified electrician.
No ignition spark
–
Have unit checked by After-Sales
Service if no ignition spark is
visible through inspection glass
during operation.
Set temperature not attained
when working with hot water
Excessive operating pressure/flow
rate
–
Reduce operating pressure/flow
rate by way of regulator (Fig. 9)
Soot deposits on heating coil
–
Have After-Sales Service remove
soot deposits from unit
If the problem cannot be resolved
the unit must be checked by after
sales service.
WARRANTY
The warranty terms and conditions
issued by our responsible sales
company apply in every country.
Within the warranty period, any
faults in the unit will be rectified free
of charge provided that the problem
was caused by a material defect or
manufacturing error.
The warranty only applies if the
dealer fills in, stamps and signs the
enclosed reply card when the unit is
sold and the purchaser then returns
it to the appropriate local distributor.
In the event of a warranty claim,
please contact your dealer or the
nearest authorised After-Sales
Service office and produce both
accessories and proof of purchase.
GENERAL INSTRUCTIONS
Safety features
*
Overflow valve with two pressure
switches
When reducing water volume at
pump head or with the servopress
control, the overflow valve will open
and part of the water will flow back
to the pump suction side.
If the handgun is closed thus
causing all the water to return to the
pump suction end, the pressure
switch at the overflow valve shuts off
the pump.
Reopening the handgun causes the
pressure switch at the cylinder head
to switch the pump back on again.
The overflow valve is set at the
factory and lead-sealed. Adjustment
can only be made by After-Sales
Service.
*
Safety valve
The safety valve opens if the
overflow valve or pressure switch is
defective. The safety valve is set at
the factory and sealed. Adjustment
can only be made by After-Sales
Service.
*
Low water protection
The low water protection stops the
burner being switched on in the
event of a lack of water. A strainer
stops the protection feature
becoming dirty and requires regular
cleaning.
*
Motor protection switch
The motor protection switch
interrupts the circuit should
overloading occur.
Guidelines for liquid spraying
equipment
*
The accident prevention
instructions (BGV D15) Working
with Jet Stream Equipment will
apply. In accordance with these
guidelines, high-pressure spraying
equipment must be checked at
least every 12 months by an
expert and the results of the
inspection recorded in writing.
Order governing boilers
*
Test pressure and design of unit
comply with Order governing
boilers as per TRD. The water
content of the heating coil is less
than 10 litres. The boiler section of
the unit is thus not subject to
installation regulations. Local
building regulations are to be
heeded.