65
PART 8. MAINTENANCE
B. ANNUAL INSPECTION
(See LIT91179 Maintenance Checklist for required tools and materials)
An inspection should cover, at a minimum, the following areas:
• Inspect all fittings, controls and connections for leaks, damage, or fouling
• Fire side:
Heat exchanger
Burner and ignitor
Burner door and rear wall insulation
• Drain system components:
Hoses & clamps
Trap assembly
Condensate neutralizer
• Test all safeties and operating controls
• Water side temperature rise (∆T) test
INSPECTION AND CLEANING
CAUTION:
Before removing the door of the appliance, switch off the electrical power supply to it.
• Remove the front cover and check the sensors, transducers, all pipes, lines and connections, and the heat
exchanger (top, bottom) for traces of water and water leakage.
• Inspect the top of the casing and/or the top of the appliance for water leakage or traces of water from the air
supply pipe or the air vent (if applicable).
Summary of Contents for XL800
Page 6: ...6 PART 1 GENERAL INFORMATION As a Stand Alone Appliance HOT CONTROL MENU NAVIGATION ...
Page 7: ...7 PART 1 GENERAL INFORMATION Appliance as Part of a Cascade HOT CONTROL MENU NAVIGATION ...
Page 19: ...19 PART 2 ELECTRICAL B INTERNAL WIRING CONNECTION continued XL BCB LAYOUT ...
Page 21: ...21 PART 2 ELECTRICAL XL CASCADE BOX ...
Page 31: ...31 PART 4 VENTING Direct Vent Terminal Clearances ...
Page 33: ...33 PART 4 VENTING Other Than Direct Vent Terminal Clearances continued ...
Page 69: ...69 PART 10 PARTS BREAKDOWN 1A 1B PART 10 PARTS BREAKDOWN 2 ...
Page 70: ...70 PART 10 PARTS BREAKDOWN 3 4 5 6 7 8 9A 9B 9C 10 4 ...