Process Control States - ProFire PF3100 Product Manual

13.11 PROCESS CONTROL STATES

The controller transitions to a Process Control state when its heat demand is the highest. The Process Control state
to which the controller transitions is dependent on the system configuration settings.
conditions and safety output behavior for each Process Control state are detailed in the sections below.
Pilot
Low Fire
13.11.1 HIGH FIRE STATE
13.11.1.1 SAFETY OUTPUT BEHAVIOR – HIGH FIRE STATE
Card
PF3101-00 BMS Controller card
PF3102-00 Ion Pilot card
PF3102-01 UV Pilot card
1 De-energized when Pilot Off Mode is set to Off After Main On
2 Energized under reignition conditions in accordance with configured Pilot Relight Mode and Pilot Relight Timeout settings
(Controller Settings > Outputs > Ignition).
13.11.1.2 TRANSITIONS TO THE HIGH FIRE STATE
From Scenario
Process temp below configured
Pilot
Process setpoint
Process temp below configured
Low Fire
Process setpoint
13.11.1.3 TRANSITIONS FROM THE HIGH FIRE STATE
To Scenario
Any
Lockout Controller stopped by user
Flame loss
Any
Any
Waiting
Flame loss
Process temperature is above its
configured Process setpoint
Any
Pilot
Process temp above configured
Process setpoint
Process temp above configured
Low Fire
Process setpoint
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Process Control
High Fire
Incinerate Incinerate No Assist
PID Control
Output
Pilot
SSV1
SSV2
Valve
Coil
Ignition Enable
Condition
Low Fire Mode setting is Disabled, AND
No alarm or wait or main permissive conditions present
No alarm or wait or main permissive conditions present
Condition
Alarm condition present
Any
Relight Attempts setting exceeded
Wait condition present
Main permissive condition present, AND
Pilot Off Mode setting is set to Off after Main On or Follow Main
Relight attempts setting has not been exceeded
Low Fire Mode setting is set to Disabled, AND
Pilot Off Mode setting is set to Off after Main On or Follow Main
Main permissive condition present, AND
Pilot Off Mode setting is set to Disabled or Off at Setpoint
Low Fire Mode setting is set to Disabled, AND
Pilot Off Mode is set to Disabled or Off at Setpoint
Any
PF3100 Product Manual
DOC-001149 v8.0
The state transition
Lockout
Waiting
Pilot
Low Fire
Output State
Energized 1
Energized
Energized
Energized
1
De-energized 2
Open 2
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