Service manual

SECTION 9: SERVICING INSTRUCTIONS
19
9.3 Maintenance Checklist
Installation Code and Annual Inspections:
All installations and service of ROBERTS GORDON
®
products must be performed by a contractor qualified
in the installation and service of products sold and
supplied by Roberts-Gordon and conform to all
requirements set forth in the ROBERTS GORDON
®
manuals and all applicable governmental authorities
pertaining to the installation, service and operation of
the equipment.
To help facilitate optimum performance and safety,
Roberts-Gordon recommends that a qualified
contractor annually inspect your ROBERTS
GORDON
®
products and perform service where
necessary, using only ROBERTS GORDON
®
replacement parts
.
WARNING
Explosion Hazard
Service and annual inspection must be done by a
contractor qualified in the installation and service of
gas-fired heating equipment or your gas supplier.
Turn off gas and electrical supplies before performing
service or maintenance.
Failure to follow these instructions can result in death,
injury or property damage.
System Tubing and
Vent Pipe
Venting must be intact. Using a flashlight, look for obstructions, cracks on the
pipe, gaps in the sealed areas or corrosion.
The area must be free of dirt and dust or blockage.
Remove any carbon deposits or scale using a wire brush.
Replace pipe if there are any holes due to corrosion. Seal any gaps in venting
to prevent condensate leakage.
Pump Scroll, Impeller and
Motor
Compressed air or a vacuum cleaner may be used to clean dust and dirt.
Check for corrosion, if any parts have corroded through, replace as neces-
sary.
Ensure all hex nuts are tight for proper seal.
Suspension Points Make sure the pump is hanging securely.
Look for signs of wear on the mounting angles, wall mounting points or ceiling
mounting points.
Pump Boot Inspect pump boot at pump inlet and outlet for cracking or deterioration.
Replace if cracks are found.
Ensure band clamps are tight at all connection points.
Condensate Trap, Drain
Cap
Check connection of tee to drain cap and between tee and condensate trap.
Seal connections between tee and drain cap to prevent condensate leakage.
Screw condensate trap tightly into drain cap to prevent leakage.
Condensate trap should be filled with water.
Pressure Switch Ensure that wiring is intact. Check silicone hose for cracks.
Ensure secure connection between pressure switch and barbed fitting.