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10
AST 14 C 258/00
SECT. 2
CONTROL PANEL AND DIAGNOSTICS
2.1 USER'S INTERFACE
1. Set domestic hot water temperature
These keys are used to set (increase or decrease) the
domestic hot water temperature within a range from
35°C to 60°C.
2. Recall information and confirm parameters
This key is used to scroll the sequence of the values
of some parameters (see following paragraphs). It is
also used to confirm the edited parameters setting.
3. Select boiler state
Press this key to set the following functions.
SUMMER
:
Boiler produces domestic hot water, only.
WINTER
:
Boiler provides both central heating and domestic hot water.
CENTRAL HEATING ONLY
:
Boiler provides central heating water only.
STANDBY OFF:
Boiler in standby mode: central heating and DHW functions are disabled.
4. Resume boiler function
This key allows to reactivate the boiler operation after a shutdown, except for errors E89, E90 and E91 (for
these errors refer to paragraph on page 13).
5. LCD
The LCD shows the boiler status and operation information (see the following paragraph).
6. Set central heating water temperature
These keys set (increase or decrease) the water temperature value of the heating system between 20°C to
45°C (reduced range) or 78°C (standard range).
7. Water pressure gauge
This shows the pressure of the heating system water.
