Roberts Gorden UHA[X][S] 30 Combustion Air Intake, Pipe, Heat Exchanger, See Page 22, Section

	SECTION 12: SERVICING
Combustion Air Intake	Intake pipe and inlet must be intact. Look for obstructions, cracks on the pipe,
Pipe	gaps in the sealed areas or corrosion.
	The area must be free of dirt and dust.
	Clean and reinstall as required.
Heat Exchanger	Make sure there are no cracks.
	Make sure there is no sagging, bending or distortion.
	Clean or replace as required.
	See Page 22, Section 8.
Gas Line and Shut-off	Check for gas leaks. See Page 22, Section 8.
Valves
Burner Observation	Make sure it is clean and free of cracks or holes.
Window	Clean and replace as required.
Flue Blower Scroll, Wheel	Compressed air or a vacuum cleaner may be used to clean dust and dirt.
and Motor
Inshot Burners and	Clear obstructions (even spider webs will cause problems).
Orifices	Carefully remove any dust and debris from the burner.
Direct-Spark Igniter	Replace if there are cracked ceramics, excessive carbon residue, or erosion
	of the electrode.
	The electrode gap should be 1/8" (3.2 mm).
Thermostat	There should be no exposed wire or damage to the device or wiring.
	See Page 29, Section 10.
Suspension Points	Make sure the heater is hanging securely.
	Look for signs of wear on the suspension materials or ceiling.
	See Page 11, Figure 5.
Silicone Tubing	Ensure tight, secure fit on all pressure fittings at pressure switch,
	burner partition, and blower outlet.
Gas Valve	Verify that cap covering pressure regulator adjustment screw is secure and
	has not been tampered with.
	Verify all wiring connections.
Condensate Drain	Flush drain and clear any obstructions.
(when installed)
Wall Tag	If wall tag is present, make sure it is legible and accurate. Please contact
	Roberts Gordon LLC or ROBERTS GORDON® independent distributor if you
	need a wall tag. See Page 5, Section 2.1.

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