WarmFlow B-Series B70 - 2 Technical Details; Combi Sequence of Operation Flow Chart

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2.0 Technical Details
2.1 Combi Sequence of Operation Flow Chart
Power
On
Timer Calling
For Heat
HW
Selected
Flow Switch
Closed
DHW Tank
Stat Satisfied
CH
Selected
CH Pump
Only Runs
Room Stat
Satisfied
Boiler Stat
Satisfied
Boiler Limit
Stat Tripped
Burner
Fires
DHW Pump
Only Runs
HW Limit
Stat Satisfied
Boiler Limit
Stat Tripped
Burner
Fires
Burner
Stops
Press
Reset Button
Press
Reset Button
Pump Overrun
Stat Satisfied
DHW Pump
Only Runs
YES
YES
YES
NO
YES
NO
YES
YES
YES
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES NO
NO
NO