HAMWORTHY HEATING LTD
78
Merley Boiler Sequence Controller
500001210/D
6.16 State
The current operating state of the plant is visualized by means of status displays.
Messages
Line no.
Operating line
8000
State of heating circuit 1
8003
State of DHW
8005
State of boiler
State heating circuit
End user (info level)
Commissioning, heating engineer
Limit thermostat has cut out
Limit thermostat has cut out
3
Manual control active
Manual control active
4
Heating mode restricted
106
Forced discharging DHW
108
Forced heat release
110
Overrun active
17
Forced heat release
110
Opt start c boost heating
111
Optimum start control
112
Boost heating
113
Heating mode Comfort
Heating mode Comfort
114
Optimum stop control
115
Heating mode Reduced
Heating mode Reduced
116
Frost protection room active
101
Frost protection flow active
117
Frost protection plant active
23
Frost protection active
24
Summer operation
Summer operation
118
24
-
hour Eco active
119
Setback Reduced
120
Setback frost protection
121
Room temperature limit
122
Off
Off
25
