Owner's Manual

22-1674-04-0803 (EN) 3
Contents
General Features 2
Features and Benefits 3
XR 90 Standard Equipment 3
XR 90 Optional Equipment 4
General Data 5
TUX040C924D 5
TUX060C936D 5
TUX080C942D 5
TUX080C960D 5
TUX100C948D 6
TUX100C960D 6
TUX120C960D 6
TDX040C924D 7
TDX060C936D 7
TDX080C942D 7
TDX100C948D 8
TDX120C960D 8
Performance Data 9
Electrical Data 11
Field Wiring 13
Twinning Field Wiring 14
Dimensions 15
Features
and Benefits
XR 90 Standard Equipment
• Power supply 115/1/60
• Convertible to horizontal left
• Type 29-4C™ stainless steel second-
ary heat exchanger
• Inner blower doors
• Direct drive, 4-speed motors
• Silicon Nitride igniter with adaptive
heat up
• Accessory hook-up capability –
Hum and EAC
• Quiet induced draft blower
• Blower door safety switch
• Dual solenoid combination gas valve &
regulator
• Cleanable high velocity filters
• PVC venting – 1 or 2 pipe vent option
• Left/right gas connection
• Selectable cooling fan off delay
eliminates need for BAY24X045 time
delay relay
• Single wire twinning
• Integrated solid state control with self-
diagnostics
• 24 volt fuse
• Manual reset burner box limit
• Lifetime limited primary heat
exchanger or secondary heat
exchanger warranty to original
owner (Residential use)
• 5 Year limited parts warranty
• Optional extended warranties