ProFire PF3100 Product Manual page 140

16.9.3 O TRIM TAB
2
53. Configure O Trim settings in accordance with safety design documentation and heater manufacturer
2
specifications. Refer to the
outlines the configuration settings available:
Setting
Trim Channel
Low O Setpoint
2
High O Setpoint
2
O Deadband
2
O Sensor Warmup
2
Mode
O Sensor Warmup
2
Time
Stack Temperature
Input
Minimum Stack
Temperature
Stack Temperature
Deadband
O Proportional
2
Band
O Integral Time
2
System Delay Time
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PF3100 FARC User Guide
Options
Air
Fuel
Disabled
0 – 22%
0 – 22%
0 - 3 %
Time Delay
Stack Temp
1 – 100 sec
Any configured High Temp ESD or
Aux Process input from the
Temperature Wizard.
0 – 1350 °C
0 – 100 °C
1 - 1000
0 – 100 min
1 – 300 sec
for detailed configuration instructions. The table below
Description
Specifies the FARC channel to which the O
is applied.
Specifies the O sensor input threshold below which
2
the system registers a low O
Specifies the O sensor input threshold above which
2
the system registers a high O
Specifies the deadband applied around each
configured trip point to prevent fluctuation between
states.
Specifies that the O Trim table is ignored until the
2
configured O Sensor Warmup Time has elapsed.
2
Specifies that the O Trim table is ignored until the
2
system reached the Process Control state and the
configured Stack Temperature Input has reached the
configured Minimum Stack Temperature.
Specifies the time after entering Process Control for
which to wait before initiating O
Warmup Mode is set to Time Delay.
Specifies the temperature input used to determine
appliance warmup.
Specifies the temperature above which O
initiated.
Specifies the deadband applied around the Minimum
Stack Temperature setting to prevent fluctuation
between enabling and disabling of O
Specifies the proportional term with respect to
transmitter span used by the O
Specifies the integral term used by the O
algorithm.
Specifies the sample time used by the O
algorithm.
PF3100 Product Manual
DOC-001149 v8.0
trim profile
2
event.
2
event.
2
trim when O Sensor
2 2
trim is
2
Trim.
2
Trim PI algorithm.
2
Trim PI
2
Trim PI
2
140