Inhoudsopgave
Advertenties
installation
appliance Handover
13. Appliance handover
Explain the appliance function to users and familiarise them
»
with its operation.
Make users aware of potential dangers, especially the risk
»
of scalding.
Hand over these instructions.
»
14. Troubleshooting
14.1 Fault table
The high limit safety cut-out can respond at
temperatures below –15 °C. *
* The appliance may be subjected to these temperatures
during storage or transport.
fault
cause
The water does not
The high limit safety
heat up.
cut-out has responded
because the controller
is faulty.
The high limit safety
cut-out has responded
because the temperature
has dropped below
-15 °C.
The flanged immersion
heater is faulty.
The selected outlet
More water flows
temperature is not
through the appliance
reached during
than the heating element
instantaneous DHW
(21 kW) can heat up.
cylinder operation when
the draw-off valve is
fully opened.
The safety valve drips
The valve seat is
when the heating is
contaminated.
switched off.
1 High limit safety cut-out
2 Reset button
WWW.stieBel-eltron.com
15. Maintenance
For some maintenance work you must remove the bottom cap.
If you additionally need to drain the appliance, look at the chapter
"Draining the appliance".
15.1 checking the safety assembly
Regularly check the safety assembly.
»
15.2 Immersion depth of thermostat sensor
» remedy
Remedy the cause of
the fault. Replace the
thermostat.
1 Thermostat sensor
15.3 Draining the appliance
Press the reset button.
If the cylinder needs to be drained for maintenance or to protect the
Replace the flanged
whole installation when there is a risk of frost, proceed as follows:
immersion heater.
Close the shut-off valve in the cold water line.
Reduce the amount of
»
water at the DHW valve.
Open the DHW valves on all draw-off points.
»
Clean the valve seat.
1 Drain valve with hose connection
1
Screw a hose with G 3/4" connection onto the drain valve.
»
Open the drain valve.
»
2
Danger of electrocution!
Before any work on the appliance, disconnect all poles
from the power supply.
400
Risk of scalding!
Hot water can be expelled during draining
1
1
sHd s |
23
Advertenties
Hoofdstukken
Inhoudsopgave
