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Eclipse Veri-Flame Instruction Manual 818-2/02
Figure 5.5
Sequence Diagrams
Terminal
1
3
4
5
8
6
7
V
Function
Control Power
Pilot Valve
Ignition
Main Valve
Fan
Air Switch
Interlocks
POVC
Outputs
Inputs
Start
Air Proven
Flame
Check
5 Sec
Pilot
Trial
Main
Trial
10 Sec
End
Pilot Off
(Intermittent)
Pilot Off
(Interr
upted)
Firing
Cycle
Recycle
Permitted
Post
Purge
15 Sec
35 Seconds
Purge
10
Sec
TFI
Terminal
1
3
4
5
7
V
Function
Control Power
Pilot Valve
Ignition
Main Valve
Interlocks
POVC
Outputs
Inputs
Start
Flame
Check
Pilot
Trial
Main
Trial
10 Sec
End
Pilot Off
(Intermittent)
Pilot Off
(Interrupted)
Firing
Cycle
Recycle
Permitted
35 Seconds
TFI
Recycle
Permitted
Terminal
1
3
4
5
8
6
7
D
3
10 to 12
10 to 13
10 to 11
Function
Control Power
Pilot Valve
Ignition
Main Valve
Fan
Air Switch
Interlocks
High Fire & POVC
Low Fire Switch
Low Fire Purge
High Fire Purge
Automatic
Outputs
Inputs
Start
Air Proven
Flame
Check
5 Sec
Pilot
Trial
Main
Trial
10 Sec
End
Pilot Off
(Intermittent)
Pilot Off
(Interrupted)
Post
Purge
15 Sec
10
Sec
High Fire
Purge
Low Fire
Purge
TFI
20 Seconds
35 Seconds
Firing Cycle
Continuity
Between
Modulation
Terminals