Aux Out Mode And Pid Control; Minimum Controllers Running - Profire Energy PF3100 Troubleshooting Manual

PF3100 TROUBLESHOOTING – SOLUTIONS TO COMMON PROBLEMS
2.6

4-20 Aux out mode and PID control

When using the 4-20 aux output for PID control (Settings > Outputs > 4-20 Aux Out > 4-20 Aux Out Mode) the
Purge position, Pilot position and PID Minimum Position must also be set.
o
The Purge position is the position the variable valve is in any time the system is purging. This
includes shutdown.
o
The Pilot position is the position the variable valve is in when the system Is igniting or in pilot.
o
The PID minimum position is the minimum position the valve will close to during PID control
while running. The range of modulation for the valve in this state is from the minimum position
to 100% open.
2.7

Minimum controllers running

The settings out of range error will occur if the minimum controllers running is higher then the number of
controllers in the appliance. The minimum controllers running setting can be found in Settings > Setup >
Commissioning > Min Controller Running. Set this number to be equal to or less than the number of controllers in
the appliance.
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V1.1
Nov 29, 2016
Page 9