Burnham PVG manual Operating Instructions, Ignition Module Terminal Cross-Reference

H.Operating Instructions

1.Follow Operating Instructions to place boiler in operation. See Figure 22.

2.Electronic Ignition Modules with LED indicators. Table 10 cross-references the ignition module terminal designations to the ignition terminal

Figure 23: LED Locations

TABLE 11: Yellow LED Flame Codes

numbers in the wiring ladder diagrams. The yellow LED indicates the status of the flame, see Table 11. The green LED indicates the status of the system, see Table 12. See Figure 23 for LED locations. See Figure 24 for Troubleshooting Guide.

Table 10: Ignition Module Terminal

Cross-Reference

Ignition Module	Wiring Ladder Diagram
Terminal Designation	Terminal Number
MV	1
MV/PV	2
PV	3
GND	4
24V (GND)	5
24V	6
SPARK	9

Yellow LED	Indicates	Recommended Service Action
Flash Codea
Heartbeat	Normal Flame Signal	N/A
	Weak Flame Signal -
	System will operate reliably but flame signal is
2	less than desired.	Perform routine maintenance to
	Note: This indication may flash temporarily	assure optimum flame signal.
	during or shortly after lightoff on some appli-
	cations.
	Marginal Flame Signal (less than 1.1 µA) -
	System may not operate reliably over time.	Check gas supply, pilot burner, flame
	Service call recommended.
1		sense wiring, contamination of flame
	Note: This indication may flash temporarily
		rod, burner ground connection.
	during or shortly after lightoff on some appli-
	cations.
	No Flame or Flame Signal -
OFF	Below minimum threshold for system opera-	N/A
	tion.

aFlash Code Descriptions

-Heartbeat: Constant ½ second bright, ½ second dim cycles.

-The flash code number signifies that the LED flashes X times at 2Hz, remains off for two seconds, and then repeats sequence.

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