D.4.A.1 Base / Drop Load; D.4.B Rotation - Bradford White OmniTech BONH1250 Installation And Operation Instructions Manual

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8.D.4.a.1 Base / Drop Load
Base Load – Is the firing rate that must be achieved prior to adding another unit to satisfy the heat demand.
Drop Load – As the demand for heat decreases, this is the firing rate that units turn off. The last unit to fire is
the first to get turned off.
Min On Time – As the demand for heat increases, this is the delay time prior to firing additional units.
Min Off Time – As the demand for heat decreases, this is the delay time prior to turning off additional units.
8.D.4.b Rotation
To navigate to the Cascade Rotation Screen, touch the Cascade Icon on the Configure Screen, then touch the
Rotation Icon on the Cascade Configuration Screen.
The Cascade Rotation Screen is a view only screen. This screen indicates how many units are connected in
a cascade configuration, the order in which each unit will run, and the percent at which each unit is running.
The red circle with the exclamation mark means
that that boiler is locked out and will need to be
manually reset to return to operations.
The Rotation Setup button is found only on the boiler that is assigned as 'Lead'.
C O N F I G U R A T I O N
The blue circle means that that boiler has a soft
or auto-reset condition and the lead boiler has
placed it later in the queue to attempt to re-fire.