Roberts Gorden UHD[X][S][R] 225 Manuel D’Utilisation

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SECTION 12: S
ERVICING
27
Gas Line and Shut-off 
Valves
Check for gas leaks.
See Page 16, Section 8.
Burner Observation 
Window
Make sure it is clean and free of cracks or holes.
Clean and replace as required.
Flue Blower Scroll, Wheel 
and Motor
Compressed air or a vacuum cleaner may be used to clean dust and dirt.
Inshot Burners and 
Orifices
Clear obstructions (even spider webs will cause problems).
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 17, Section 9.
Suspension Points
Make sure the heater is hanging securely. 
Look for signs of wear on the suspension materials or ceiling.
See Page 8, Figure 3.
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
(when installed)
Flush drain and clear any obstructions.
Ductwork
Consult an indoor air quality professional for proper cleaning procedures
Air Circulation Blower
For a complete inspection, refer the manufacturers Installation, Operation and 
Service manual.
Wall Tag
If wall tag is present, make sure it is legible and accurate. Please contact 
Roberts-Gordon LLC or your ROBERTS-GORDON
®
 independent distributor if 
you need a wall tag. See Page 2, Section 2.1.