Hoval AgroLyt 20, Руководство по эксплуатации

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Fault
Boiler switches off
about 20 min. after
heat-up
The fan unit repeat-
edly turns on and off
during operation
Smoke or smouldering
gas escapes from fuel
loading door
Radiators are not
warm
No domestic hot water
available
Running noise al-
though heating is off
Please note
!
Please use above checklist when carrying
out the checks in case of malfunctions.
Solution
Repeat heat-up phase.
Only fill an amount of fuel that corresponds to
the heat storage capacity of the heating water
storage tank.
- Switch on the pump
Unscrew the lock screw, turn the shaft end with a
strong screwdriver to reduce the resistance.
- Read the pump operating instructions or inform
the installer.
Readjust the door hinges and replace the door
seal, if necessary (see installation instructions,
page 43).
Open them.
Follow the separate operating instructions of the
heating controller to check.
In case of low outdoor temperatures change the
boiler temperature setpoint to a higher setting.
Refill the heating system and bleed the air.
Open them.
Switch on the pump.
Unscrew the lock screw, turn the shaft end with a
strong screwdriver to reduce the resistance.
Open manually. Call the customer service (caution
with floor heating).
Unscrew the lock screw, turn the shaft end with
a strong screwdriver to reduce the resistance.
Manually operate the automatic bleeder.
Normal function (self-test) to prevent malfunc-
tions.
Check/Cause
The fuel has not ignited correctly and the flue gas tem-
perature has not risen beyond 110 ºC within 20 minutes.
The automatic cut-out has switched off the boiler.
Check the settings of the boiler temperature control,
the minimum boiler temperature control and the return
temperature control.
Check that the heating water storage tank charging
pump is operational.
Check door seals for tightness?
Check that the slide valves in the flow and return lines
are open.
Check that the timer on the heating controller is set
correctly.
Check that the setpoints have been set correctly on the
heating controller or remote setting device.
Check the water level and pressure.
Check that the radiator valves are open.
Check that the heating pump and the storage tank
charging pump are operational.
Check that the mixing valve opens automatically.
Check that the water heater charging pump is opera-
tional.
Check the charging line for air.
Fan unit, actuators or pumps are switched on tem-
porarily
If you are not able to resolve the fault,
please contact the heating installer
or the Hoval Customer Service.
Check list in case of faults
26
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