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Details on voltage, breaker, thermostat circuit, and gas valve inlet specifications.
Compliance with national and local codes for manufactured homes, RVs, and Canadian installations.
Instructions for derating furnace input based on elevation above sea level.
Required clearances from combustible material for alcove or closet installations.
Specific conditions for floor and ceiling return air systems in closet installations.
Guidelines for designing supply duct systems for proper air distribution and static pressure.
Clearance requirements for closet doors with 5 inches or more of free area.
Clearance requirements for closet doors with 1 to 5 inches of free area.
Clearance requirements for closet doors with less than 1 inch of free area.
Steps for installing a roof jack in a new home installation.
Recommendations for roof jack extensions in areas with heavy snow accumulation.
Procedures for properly locating and cutting the ceiling and roof opening for the roof jack.
Steps for securing the roof jack to the roof and ensuring a watertight seal.
Diagrams and tables showing dimensions and part numbers for duct connectors.
Detailed steps for attaching the duct connector using screws.
Detailed steps for attaching the duct connector using tabs.
Instructions for securely connecting the roof jack assembly to the furnace.
Methods for securing the furnace to the floor using screws or other fasteners.
Procedure for connecting the 115 VAC power supply wires to the unit.
Procedure for connecting low-voltage thermostat wires to the furnace control.
Guidelines for thermostat placement and wiring diagrams for heat-only and heat-cool.
Detailed wiring diagram for DGPH056, DGPH070, DGPH077 models.
Detailed wiring diagram for DGPH090 model.
Detailed wiring diagrams for DGPA056, DGPA070, DGPA077 models.
Detailed wiring diagram for DGPA090 model.
Detailed wiring diagrams for DGAA and DGAH models.
Procedure for sizing, installing, and leak-testing the gas supply piping.
Instructions for pilot adjustment and observing burner ignition and flame.
Troubleshooting steps for common furnace operational issues.
Instructions for installing the upper and lower furnace access doors.
Considerations for installing the furnace with an air conditioning unit.
List of replacement parts and their corresponding part numbers for DGAA models.
List of replacement parts and their corresponding part numbers for DGAH models.
List of replacement parts and their corresponding part numbers for DGPA models.
List of replacement parts and their corresponding part numbers for DGPH models.
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