HAMWORTHY HEATING LTD
24
Merley Boiler Sequence Controller
500001210/D
Presence button
If you do not use the rooms for a certain period of time, you can press the presence
button to reduce the room temperature, thus saving heating energy.
When the rooms are occupied again, press again the presence button to resume heating
operation.
•
The presence button is only active in automatic operation
•
The current selection is active until the next switching action
according to the heating program takes place
Displaying information
Various data can be displayed by pressing the info button.
Possible displays
Depending on the type of unit, configuration and operating state, some of the info lines listed below may not
appear.
Display:
•
Possible error messages from the error code list on page 88/89
•
Possible service messages from the maintenance code list on page 90
•
Possible special mode messages from page 90
•
Other displays:
Heating to Comfort setpoint
Heating to Reduced setpoint
0
4
8
12
16
20
24
AUTO
2
3
5
9Z
14
0
Room temperature
Room temperature.
DHW temp 1
Room temperature minimum
State of heating circuit 1
Room temperature maximum
State of DHW
Boiler temp / Mixed flow temp
State of boiler
Outside temperature
Date and time of day
Outside temp min
Telephone customer service
Outside temp max