Operating Sequence - ProFire PF3100 Product Manual

13 OPERATING SEQUENCE

The PF3100 utilizes a state-based control scheme to monitor the system and control all safety outputs. Each state
has specific entry and exit requirements and defined output behavior. The sections below outline the state
transitions and safety output behavior for each controller state. Each BMS controller in an appliance operates
independently in
Stopped States
Power On
Alarm
Ready
Lockout
State
Power On
Alarm
Ready
Lockout
Waiting
Startup Checks
Proven Pre-Purge
Ignition
Pilot
Low Fire
Process Control
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accordance with
Running States
Waiting
Startup
Checks
Any Non Fuel
Running State
Stopped State
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
the operating sequence
Proven Pre-
Ignition
Purge
Any Fuel State
Running State
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
PF3100 Product Manual
DOC-001149 v8.0
detailed
Fuel States
Main States
Pilot Low Fire
Process
Control
Fuel State Main State
NO NO
NO NO
NO NO
NO NO
NO NO
NO NO
NO NO
YES NO
YES NO
YES YES
YES YES
below.
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