HAMWORTHY HEATING LTD
86
Merley Boiler Sequence Controller
500001210/D
7.2 Extra functions in general
The extra functions can be selected via operating page
“
Configuration
”
and complement
the basic diagrams of the respective controllers.
The type and number of extra functions that can be applied depend on the
multifunctional outputs and inputs QX
…
or BX
…
Depending on the type of application, the use of extra functions necessitates a number
of appropriate operating line settings.
Standard diagram
B9 T
T
T
T
BX1
Q3
Boiler
1
Boiler
2
Boiler
3
Lo
w
lo
ss
h
e
ad
er
Q2
Rg1
B3
Combined DHW + heating with pump & valve
B9 T
T
T
T
T
BX1
Q3
Boiler
1
Boiler
2
Boiler
3
Lo
w
lo
ss
h
e
ad
er
Y1/Y2
Q2
B1
Rg1
B3