| Number | X-pin, colour | Description |
|---|---|---|
| X01011 | 2 -pin, Black | Plug connector Flame monitor |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Supply Flame monitor | Independent heating/ventilation control unit |
| 2 | A | Signal Flame monitor | Independent heating/ventilation control unit |