LOAD CALCULATION
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Heating Load (Btuh)
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Cooling Load (Btuh)
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Furnace Model Selection
COMBUSTION AND VENT PIPING
Termination Location
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Roof or Sidewall
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Termination Kit — 2 Pipe or Concentric
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Combustion-Air Pipe Length
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Combustion-Air Pipe Elbow Quantity
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Vent Pipe Length
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Vent Pipe Elbow Quantity
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Pipe Diameter Determined from Sizing Table
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Pipe Sloped To Furnace
Pipe Insulation
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Over Ceilings
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Low-Ambient Exposed Pipes
CHECKLIST—INSTALLATION
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39
Condensate Drain
Unit Level or Pitched Forward
Internal Tubing Connections Free of Kinks
and Traps
External Drain Connection Leak Tight and
Sloped
Condensate Trap Primed before Start-Up
Heat Tape Installed if Required
CHECKLIST—START-UP
Gas Input Rate
(Set Within 2 percent of Rating Plate)
Temperature Rise Adjusted
Thermostat Anticipator
Anticipator Setting Adjusted or
Cycle Rate (3 Cycles per Hr) Selected
Safety Controls Check Operation
Primary Limit
Pressure Switch