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General| Brand | Lennox |
|---|---|
| Model | LGT300S |
| Category | Air Conditioner |
| Language | English |
Covers connecting gas supply piping and pressure testing procedures.
Guidelines for connecting gas supply piping, including code requirements and pipe sizing.
Procedure for pressure testing gas lines, ensuring safety and preventing leaks.
Details on wiring the unit for power, including voltage considerations and routing.
Step-by-step instructions for routing and connecting field wiring for power supply.
Guidance on wiring the thermostat, sensors, and other control components.
Procedures for setting blower speeds, measuring CFM, and adjusting blower pulley.
Methods for measuring and calculating the unit's airflow (CFM).
Step-by-step guide for initiating and verifying cooling operation.
Essential checks to perform before starting the cooling system.
Sequence for starting the cooling system, including blower and compressor operation.
Procedures for verifying and adjusting the refrigerant charge for optimal operation.
Methods for fine-tuning the refrigerant charge using liquid temperature measurements.
Procedure for safely lighting and starting the gas heating system.
Steps to follow for initial unit operation, including gas valve settings.
Details on heating sequence, limit controls, and burner adjustments.
Procedures for setting blower speeds and damper positions for VAV systems.
Procedures for starting up the hot gas reheat system and setting reheat parameters.
Guidelines for annual inspection, filter replacement, lubrication, and burner maintenance.
Information on adjusting unit parameters and configuring options via the mobile app.
A report template for recording installation checks, cooling, heating, and accessory data.
Data recording for compressor rotation, amps, volts, pressures, and fan amps.
Recording of fuel type, pressure, and manifold pressure for gas heating.
