Table 7: 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 |
Figure 52: LED Locations
TABLE 8: Yellow LED Flame Codes
Yellow LED | Indicates | Recommended | |
Flash Codea | Service Action | ||
|
|
| |
Heartbeat | Normal Flame Signal | N/A | |
|
|
| |
| Weak Flame Signal - |
| |
| System will operate reliably but flame signal is | Perform routine | |
2 | less than desired. | maintenance to | |
Note: This indication may flash temporarily | assure optimum | ||
| |||
| during or shortly after lightoff on some | flame signal. | |
| applications. |
| |
| Marginal Flame Signal (less than 1.1 µA) - | Check gas supply, | |
| System may not operate reliably over time. | pilot burner, flame | |
1 | Service call recommended. | sense wiring, | |
Note: This indication may flash temporarily | contamination of | ||
| |||
| during or shortly after lightoff on some | flame rod, burner | |
| applications. | ground connection. | |
OFF | No Flame or Flame Signal - | N/A | |
below minimum threshold for system operation. | |||
|
| ||
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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