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General| Model | GMS8 |
|---|---|
| Efficiency Rating | 80% AFUE |
| Heat Exchanger Material | Aluminized Steel |
| Stages | Single Stage |
| Fuel Type | Natural Gas |
| Heating Capacity | 40, 000 BTU/h |
| Warranty | 10-Year Parts Limited Warranty |
Procedures to prevent damage to electronic components from static discharge during installation.
Detailed guidelines for making 115-volt line voltage connections to the furnace's junction box.
Procedures for connecting the 24-volt thermostat wiring to the control module.
How altitude affects furnace performance and the necessary adjustments or orifice changes.
Calculating and measuring the furnace's gas input rate to prevent overfiring or underfiring.
Detailed instructions and diagrams for making correct gas piping connections to the furnace.
Crucial information regarding filters before connecting return air ductwork to prevent issues.
Step-by-step operational sequence during a normal heating call from the thermostat.
Detailed procedure for measuring the inlet gas supply pressure to the furnace.
Measuring and adjusting gas manifold pressure for optimal burner operation and safety.
Procedure for measuring the natural gas input rate to ensure it matches the rating plate.
How to measure and adjust air temperature rise for correct heating performance.
Instructions on adjusting the circulator blower motor speed for proper airflow and temperature rise.
Visual inspection criteria for proper burner flame characteristics, stability, and color.
Description of the electronic control module's function in monitoring and managing safety systems.
Function of the primary limit control in guarding against heat exchanger overheating.
Function of the auxiliary limit control for safety, particularly in blower failure scenarios.
Role of rollout limit controls in preventing flame rollout from the burner assembly.
How pressure switches monitor airflow through the heat exchanger for safety.
Function and principle of the flame sensor in detecting flame presence or absence.
Recommended annual inspection points and checks for furnace service and upkeep.
