American Standard GRWF130A94A0A Installation Manual page 26

10. Disconnect pilot gas supply tube, fl ame sensor
wire, and ground wire from the pilot and ignitor
assembly. See Figures 23, 24 and 25.
11. Carefully remove the two screws holding the
pilot and ignitor assembly.
12. Remove the assembly and set in a safe place.
See Figure 25.
13. Replace the natural gas main burner orifi ces
in the manifold with the liquid propane orifi ces
shipped in the LP conversion kit. See Figure 26.
14. Reattach the pilot and ignitor assembly with
the two screws previously removed.
15. Replace the natural gas pilot orifi ce with the
liquid propane pilot orifi ce shipped in the LP
conversion kit. See Figire 25.
Pilot Gas
Supply Tube
Screw
Ground
Figure 23
Ground
Pilot
Screw
Flame
Sensor
18-CG02D1-4
26
Screw
Ignitor Wire
Ignitor
Flame Sensor
Ignitor
Screw
Figure 24
16. Reattach the pilot gas supply tube, fl ame sensor
wire, ignitor wire, and ground wire to the pilot
and ignitor assembly.
17. Replace the front burner box cover. Leave the
right side panel off until completion of the start-
up and adjustment procedure in section 4.0.
Access is needed to check the inlet and outlet
gas valve pressure.
18. Place the adhesive backed label, shipped with
the boiler, on the vestibule panel that states the
boiler has been converted to LP gas. Ensure all
information has been fi lled out on the label. See
Figure 27.
19. Before fi ring up the boiler, see and perform
Startup and Adjustment Procedures in section
4.0 for pressure adjustment.
Ground
Flame
Sensor
Wire
Pilot
Orifi ce
Figure 25
Pilot Gas
Tube
Figure 26