AERCO KC1000 Low NOx Boiler July 2011 - Manual (Page 54)

SAFETY DEVICE TESTING
6-6
6.11 IGNITION SWITCH OPEN DURING
IGNITION
1. Set the unit’s ON/OFF switch to the OFF
position. Place the unit in manual mode and
set the valve position between 25% and
30%.
2. Remove the air/fuel valve cover (Fig. 6.7) by
rotating the cover counterclockwise to
unlock it then pulling it towards you.
3. Remove one of the two wires from the
ignition switch (Fig. 6.8) and start the unit.
4. The unit should begin to start then shut
down and display IGN SWITCH OPEN
DURING IGNITION.
5. Replace the wire on the ignition switch and
depress the CLEAR button. The unit should
restart.
6.12 SAFETY PRESSURE RELIEF
VALVE TEST
Test the safety Pressure Relief Valve in accor-
dance with ASME Boiler and Pressure Vessel
Code, Section VI.