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Describes upflow, downflow, and horizontal installation types for the furnace.
Details on suspending the furnace from rafters or in crawl spaces.
Ensures proper condensate and flue pipe drainage via leveling.
Explains filter arrangements and their necessity for furnace operation.
Steps for preparing bottom and side return air openings.
Installation requirements for auxiliary drain pans over conditioned spaces.
Details on mounting the condensate trap and required clearances.
Explains why priming the drain trap is crucial for safety.
Examples for left and right exit drain trap installations in vertical furnaces.
Relocating the factory installed drain trap for horizontal installations.
Detailed step-by-step procedures for the drain trap conversion.
Relocating the pressure tube for specific horizontal configurations.
Steps for rerouting the front cover pressure switch tube.
Initial steps involving hose clamps and plug removal for left side setup.
Instructions for cutting and discarding excess hose #6 based on cabinet width.
Connecting drain hoses to the vent-drain elbow and collector box.
Explains the differences and requirements for direct and non-direct venting.
Table detailing allowable vent pipe lengths and number of elbows.
Rules and clearances for vent termination locations.
Specific guidelines for direct and non-direct vent terminations.
Specific venting procedures for down venting upflow model furnaces.
Details on gas valve control, operation, and gas piping sizing.
Information on gas piping entry points and required fittings.
Availability of conversion kits and the process for propane gas.
Information on wire color coding and material requirements.
Requirements for power supply, circuits, and disconnects.
Procedure for verifying correct electrical polarity.
Proper grounding techniques and safety precautions.
Connecting optional accessories like humidifiers and air cleaners.
Wiring configurations for single-stage and two-stage systems.
Connecting and configuring a dehumidistat for furnace operation.
Guidelines for integrating the furnace with a heat pump.
Overview of compatible furnaces, thermostats, and other components.
Details on two-wire and four-wire wiring setups for the system.
Approved methods for performing gas piping leak detection.
Field test mode, supply pressure, and manifold pressure adjustments.
Acceptable limits for temperature rise and its importance.
Procedure to measure and determine air temperature rise.
Configuring variable and multi-speed blowers for optimal airflow.
Methods for measuring positive and negative static pressure in ducts.
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