Operating Modes; Information Button; Extended Information Modes - Hamworthy Sherborne Series Installation, Commissioning And Servicing Instructions

8.3 Operating Modes

The boiler has 4 heating modes which can be selected by pressing the mode button
The currently selected mode is indicated by a block below the mode symbols on the fascia. Pressing the mode
button will cycle through the 4 modes 1 at a time.
Automatic > Continuous 'Normal' > Continuous 'Reduced > Standby ↵
Operating mode
Automatic operation
Standby
Continuous 'Normal'
Continuous 'Reduced'

8.4 Information Button

Information about the boiler can be obtained at any time by pressing the info button. Repeated presses wsill cycle
through the following information:
Dhw temperature > Water Pressure > Operating Phase > Outside Temperature > Error Code > Boiler Tempearture
Press the mode button to return to the default display

8.4.1 Extended Information Modes

The information button can be used to obtain additional information about the operation of
the boiler. To do this press both arrow buttons for 3 seconds. The time display will be
replaced by an address formed by a letter (b,C or d) & a digit (0-7). Use the arrow buttons to
change the letter and the + & - buttons to change the digit.
Press the information button to switch back to the information display or the mode button to return to
the default display.After 8 minutes the display will automatically change back to the default display
HAMWORTHY HEATING LTD
Effect of selection
Heating circuit (HC1) runs according to time switch program 1
Heating circuit 1 is switched off, Frost protection functions active
Heating circuit 1 continuously on according to the adjusted nominal room tem-
perature set point or heating circuit set point
Reduced room temperature set point or heating circuit frost protection set point
Display Code
b0 Internal Software Diagnostic Code
b1 Boiler return temperature
b2 DHW temperature sensor 2
b3 -
b4 Outside temperature
b5 Composite outside temperature
b6 Attenuated outside temperature
b7 Flow temperature 3-way valve
C1 Ionization current
C2 Fan speed
C3 Current fan control PWM
C4 Relative output
C5 -
C6 Control differential
d1 Set point of 2-position or modulating controller (PID)
d2 Current boiler temperature setpoint
d3 Room Temperature setpoint
d4 DHW temperature setpoint
d5 Maximum degree of modulation in heating mode
d6 Maximum speed at maximum output in heating mode
Description
20
SHERBORNE
↵
500001167/E