Carrier 58MXA Installation, Start-Up, And Operating Instructions Manual page 50

Deluxe 4–way multipoise fixed-capacity direct vent condensing gas furnace
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LOAD CALCULATION
____________
Heating Load (Btuh)
____________
Cooling Load (Btuh)
____________
Furnace Model Selection
COMBUSTION AIR AND VENT PIPING
Termination Location
________
Roof or Sidewall
________
Termination Kit — 2 Pipe or Concentric
________
Combustion-Air Pipe Length
________
Combustion-Air Pipe Elbow Quantity
________
Vent Pipe Length
________
Vent Pipe Elbow Quantity
________
Pipe Diameter Determined from Sizing Table
________
Pipe Sloped To Furnace
Pipe Insulation
________
Over Ceilings
________
Low-Ambient Exposed Pipes
CHECKLIST—INSTALLATION
Condensate Drain
________
________
________
________
________
CHECKLIST—START-UP
________
________
Thermostat Anticipator
________
________
Safety Controls Check Operation
________
________
50
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
Gas Input Rate
(Set Within 2 percent of Rating Plate)
Temperature Rise Adjusted
Anticipator Setting Adjusted or
Cycle Rate (3 Cycles per Hr) Selected
Primary Limit
Pressure Switch

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