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Figure 8 LCD Display Screen
2.5.4. LCD Display
LCD Display shows boiler operating mode, temperature and indicates
the faults instantly as they arise. Digital numbers can be monitored on
the blue background screen during setting the CH and DHW heating
temperatures or parameters of the boiler.
When the boiler is OFF, power of the screen is cut off.
When there is CH demand, “ ”
sign appears on the screen and
temperature of central heating wa-
ter on heat exchanger exit can be
read as Celsius degrees.
When there is DHW demand, “ ”
sign appears on the screen and
temperature of sanitary water on
heat exchanger exit can be read
as Celsius degrees.
During the operation of the boiler “ ” sign displays continuously. The
monkey wrench sign “ ” appears in some cases of operating errors,
indicating that there is a need for the service.
2.5.5. Reset Button
Boiler locks itself in the below conditions and waits for the user interfer-
ence.
1) Failure of three consecutive firing attempts.
2) Exceed the high temperature limit.
In those conditions the user should control if there is an operating er-
ror that requires resetting of the boiler. Following this, the boiler can be
started by switching the reset button ( ).
