Maintenance Tasks-Qualifi Ed Service Technician - Heat & Glo SLR (Cosmo) Owner's Manual

Venting
Frequency: Seasonally
By: Homeowner
Tools needed: Protective gloves and safety glasses.
• Inspect venting and termination cap for blockage or
obstruction such plants, bird nests, leaves, snow, debris,
etc.
• Verify termination cap clearance to subsequent construc-
tion (building additions, decks, fences, or sheds). See
Section 6.
• Inspect for corrosion or separation.
• Verify weather stripping, sealing and fl ashing remains
intact.
• Inspect draft shield to verify it is not damaged or missing.
B. Maintenance Tasks-Qualifi ed Service
Technician
The following tasks must be performed by a qualifi ed ser-
vice technician.
Gasket Seal and Glass Assembly Inspection
Frequency: Annually
By: Qualifi ed Service Technician
Tools needed: Protective gloves, drop cloth and a stable
work surface.
• Inspect gasket seal and its condition.
• Inspect fi xed glass assembly for scratches and nicks that
can lead to breakage when exposed to heat.
• Confi rm there is no damage to glass or glass frame.
Replace as necessary.
• Verify that fi xed glass assembly is properly retained and
attachment components are intact and not damaged.
Replace as necessary.
Firebox
Frequency: Annually
By: Qualifi ed Service Technician
Tools needed: Protective gloves, sandpaper, steel wool,
cloths, mineral spirits, primer and touch-up paint.
• Inspect for paint condition, warped surfaces, corrosion
or perforation. Sand and repaint as necessary.
• Replace fi replace if fi rebox has been perforated.
Control Compartment and Firebox Top
Frequency: Annually
By: Qualifi ed Service Technician
Tools needed: Protective gloves, vacuum cleaner, dust
cloths
• Vacuum and wipe out dust, cobwebs, debris or pet hair.
Use caution when cleaning these areas. Screw tips that
14
• Remove all foreign objects.
• Verify unobstructed air circulation.
Burner Ignition and Operation
Frequency: Annually
By: Qualifi ed Service Technician
Tools needed: Protective gloves, vacuum cleaner, whisk
broom, fl ashlight, voltmeter, indexed drill bit set, and a
manometer.
• Verify burner is properly secured and aligned with pilot
• Clean off burner top, inspect for plugged ports, corrosion
• Verify batteries have been removed from battery back-
• Check for smooth lighting and ignition carryover to all
• Inspect for lifting or other fl ame problems.
• Verify air shutter setting is correct. See Section 14.H for
• Inspect orifi ce for soot, dirt and corrosion. Verify orifi ce
• Verify manifold and inlet pressures. Adjust regulator as
• Inspect pilot fl ame pattern and strength. See Figure 3.1
• Inspect IPI fl ame sensing rod for soot, corrosion and
• Verify IPI millivolt output. Replace as necessary.
• Verify that there is not a short in fl ame sense circuit by
Figure 3.1 IPI Pilot Flame Pattern
Heat & Glo • SLR • 2143-900 Rev. D • 12/08
have penetrated the sheet metal are sharp and should
be avoided.
or igniter.
or deterioration. Replace burner if necessary.
up IPI systems to prevent premature battery failure or
leaking.
ports. Verify that there is no ignition delay.
required air shutter setting. Verify air shutter is clear of
dust and debris.
size is correct. See Service Parts List for proper orifi ce
sizing.
required.
for proper pilot fl ame pattern. Clean or replace orifi ce
spud as necessary.
deterioration. Clean with emery cloth or replace as
required.
checking continuity between pilot hood and fl ame sense
rod. Replace pilot as necessary.