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Check unit for damage and verify correct model upon arrival.
Review critical dimensions and required clearances for proper installation.
Assess unit placement, airflow, and site-specific needs for optimal performance.
Detailed procedures for physically mounting and connecting the unit.
Instructions for initial power-up and system start.
Explanation of how the unit functions in heating, cooling, and defrost modes.
Guidance for routine upkeep and periodic servicing.
Guidelines for locating horizontal airflow units and installation considerations.
Recommended clearances for single-unit installations for horizontal airflow.
Guidelines for locating down airflow units and installation considerations.
Recommended clearances for single-unit installations for down airflow.
Instructions for installing the unit at ground level.
Procedures for installing the unit on a roof curb.
Modifying the unit's airflow direction from horizontal to down.
Steps for assembling and installing the roof mounting curb.
Safe methods and considerations for lifting and positioning the unit.
How to position and secure the unit onto the roof curb.
Instructions for installing the unit on a field-fabricated frame.
Connecting ductwork to the roof curb for downflow configurations.
Guidelines for constructing ductwork for roof frame downflow installations.
Insulate and connect ductwork for horizontal airflow to the unit.
Proper installation of the condensate drain line for efficient drainage.
Procedures for safely connecting the unit's main power supply.
Instructions for low-voltage thermostat and control circuit wiring.
Essential checks before initiating unit operation to ensure proper setup.
Step-by-step process to safely start the unit for cooling.
Step-by-step process to safely start the unit for heating.
Detailed explanation of the unit's cooling cycle operations.
Detailed explanation of the unit's heating cycle operations.
How the unit initiates and manages defrost cycles based on conditions.
Explanation of the sensors and logic controlling the defrost cycle.
Tasks recommended for the owner to perform for unit upkeep.
Information on selecting and maintaining air filters.
Guidance on keeping the condenser coil area clear.
Recommended inspections and services for qualified technicians.
Maintenance checks specific to the cooling season.
Maintenance checks specific to the heating season.