Itho Daalderop Mono - Service and Maintenance; Reset Safety Thermal Cut-Out

8. Service and maintenance
8.1. Reset safety thermal cut-out
ä Caution!
If the unit was enabled without being filled with water, DO NOT
reset the unit.
Instead, replace the thermostat and safety thermal cut-out.
ä Caution!
The work may only be carried out by the manufacturer, its agent
or a qualified person.
Turn off the power supply
a) Switch off the power supply to the water heater in the meter
cabinet or at the maintenance switch.
b) Draw off hot water so that the water heater is filled with cold
water again. This cools the stored water to below the maximum
temperature.
Removing the cover
c) Remove the cover.
Mono | Mono-plus | Mono-3
d) Remove the blanking plug on the right from the frame.
Tip
At the back of the frame, push together the two snap-fit hooks
on the plug.
e) Use a screwdriver inserted through the hole to press the reset
button.
When you hear a click, the safety thermal cut-out has been
reset.
Click!
f) Put the blanking plug back in the frame.
g) Proceed with the steps starting from replacing the closing cap.
Duo
h) Use a screwdriver or finger to press the reset button.
When you hear a click, the safety thermal cut-out has been
reset.
Click!
26