Fixed last / off, Fixed lead / off, First on / last off or first on / first off – tekmar 264 Boiler Control User Manual
Page 24: Off / exercise
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2008 D
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Fixed Last / Off
The Fixed Last / Off DIP switch selects whether or not the last boiler
is to be included in the rotation sequence. If the DIP switch is set to
Fixed Last, the last boiler is always the last to fire. This DIP switch is
only active when the Rotate / Off DIP switch is set to Rotate.
Fixed Lead / Off
The Fixed Lead / Off DIP switch selects whether or not the first boiler
is to be included in the rotation sequence. If the DIP switch is set to
Fixed Lead, the first boiler is always the first to fire. This DIP switch is
only active when the Rotate / Off DIP switch is set to Rotate.
First On / Last Off or First On / First Off
The First On / Last Off or First On / First Off DIP switch selects whether
the first boiler is the first to stage on and the last to stage off or the
first to stage on and the first to stage off. This DIP switch is only active
when the Rotate / Off DIP switch is set to Rotate and the Fixed Lead /
Off DIP switch is set to Fixed Lead.
Off / Exercise
The Off / Exercise DIP switch selects whether or not the control is to
exercise the primary pump and boiler pumps. If the DIP switch is set
to Exercise, the pumps are operated for 10 seconds after every three
days of inactivity.
Rotate
Alarm
Off
Fixed Last
Off
Exercise
Adv
External
Stand
Alone Installer
C.A.
First On / Last Off
Fixed Lead
First On / First Off
Rotate
Alarm
Off
Fixed Last
Off
Exercise
Adv
External
Stand
Alone Installer
C.A.
First On / Last Off
Fixed Lead
First On / First Off
Rotate
Alarm
Off
Fixed Last
Off
Exercise
Adv
External
Stand
Alone Installer
C.A.
First On / Last Off
Fixed Lead
First On / First Off
Rotate
Alarm
Off
Fixed Last
Off
Exercise
Adv
External
Stand
Alone Installer
C.A.
First On / Last Off
Fixed Lead
First On / First Off