Regency L900-1 Maintenance, DC Spark Box, Valve Tray, Check operation of flame control

MAINTENANCE

10)Disconnect the inlet gas line from the valve.

11)Undo the center wire clip on the side of the firebox.

12)Unplug the wire harness that connects the modulating coil to the receiver.

13)Unplug the green (TH) and white (TP/TH) wires from the valve.

14)Disconnect the 2 DC Spark generator wires from the DC spark box located in front of the valve.

DC Spark Box

15)Disconnect the spark electrode wire from the DC spark box.

16)Remove the 16 screws that hold the valve tray to the firebox and slightly pull out the valve tray.

Valve Tray

17)	Completely pull out the valve tray.
18) Replace the valve tray and reverse steps
	to re-install.
19) Turn on the gas supply and check for gas
	leaks.
20)	Re-install the rear log stand.
21)	Re-install the burner tube.
22)	Re-install the grate.
23)	Re-install the brick panels.
24)	Re-install the log set.
25)	Re-install the glass door.
26)	Re-install the front cover plate
27)	Re-install the mesh screen.
28)	Check the inlet and outlet pressures.

MAINTENANCE

DC Spark Box

29)	Check operation of flame control.
30)	Check for proper flame appearance.

Regency® L900-1 Direct Vent Gas Fireplace 43