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General| Efficiency | Up to 96% AFUE |
|---|---|
| Ignition System | Hot Surface Ignition |
| Fuel Type | Gas |
| Stages | Single-stage or Two-stage |
| Blower Motor | ECM |
| Heating Capacity | 40, 000 to 120, 000 BTU/h |
| Heat Exchanger | Stainless steel |
| Warranty | Limited lifetime heat exchanger warranty, 10-year parts warranty |
Recognizes safety symbols, words and labels for consumers and servicers.
Provides essential safety guidelines for handling refrigerants.
Explains the coding system for product identification numbers.
Lists model numbers and descriptions for single-phase gas units.
Lists model numbers and descriptions for three-phase gas units.
Details dimensions and specifications for roof curbs.
Provides dimensions and filter size for the downflow filter rack.
Provides dimensions for downflow and horizontal economizers.
Details dimensions for downflow and horizontal fresh air dampers.
Provides dimensions for downflow and horizontal converters.
Specifies required clearances and installation location guidelines.
Explains scroll and compliant scroll compressor designs and operation.
Details line voltage wiring requirements and connections.
Covers natural gas and propane supply and piping installation.
Provides instructions for checking gas piping integrity and safety.
Provides charts for propane tank sizing and gas piping.
Explains the refrigeration cycle for cooling operations.
Describes the operation of the heating cycle and its components.
Details the DSI system for ignition and flame sensing.
Step-by-step procedures and fan mode operations.
Visualizes the sequence and timing of heating/cooling operations.
Outlines routine maintenance tasks for monthly and annual checks.
Lists essential test equipment and procedures for diagnosis.
Provides charts for gas rate calculations based on dial readings.
Provides an example for calculating the unit's BTU input.
Troubleshooting guide for cooling system complaints.
Troubleshooting guide for gas heating system complaints.
Procedure for checking incoming and operating voltage.
Guide for inspecting and testing unit wiring.
Steps to test thermostat, wiring, and anticipation.
Procedure for testing the transformer and control circuit.
How to test contactors and relays for proper operation.
Steps to check the contacts of contactors.
Guide for testing run and start capacitors.
How to perform a resistance check on capacitors.
Procedure for checking capacitor capacitance.
Steps to check PSC motor windings for continuity and ground.
Guide for troubleshooting ECM motors using a tester.
Symptom-based troubleshooting for ECM blower motors.
Procedure for checking ECM motor windings for continuity and ground.
Guide for testing GE X13TM motors.
Safety warnings and steps to check compressor windings.
Procedure for testing compressor winding resistance.
Steps to test for ground faults in compressor circuits.
How to test the compressor unloader solenoid operation.
Procedure for testing compressor operation after other checks.
Guide for testing the crankcase heater.
General practices for refrigeration system repairs.
Methods for detecting refrigerant leaks using detectors.
Importance and procedure for system evacuation to remove air/moisture.
Steps for charging the system with refrigerant.
How to diagnose compressor inefficiency.
Explains the function and operation of TXVs.
Symptoms and checks for TXV overfeeding.
Symptoms and checks for TXV underfeeding.
How to check and understand superheat.
How to check and understand subcooling.
Procedure to test the operation of the expansion valve.
Information on fixed orifice devices and restrictions.
How to identify and address a restricted liquid line.
Symptoms and checks for refrigerant overcharge.
How to identify and remove non-condensable gases.
Causes and detection of compressor burnout.
Procedure for measuring external static pressure.
How to check and adjust temperature rise.
Steps to test the primary limit control switch.
Procedure for testing the auxiliary limit control.
How to test the flame rollout safety switch.
Procedure for testing the inducer motor.
Guide for testing the gas valve operation.
How to inspect main burners for proper operation.
Procedure for checking gas orifices for damage or size.
How to measure and adjust gas inlet/manifold pressure.
How to diagnose and resolve delayed ignition issues.
Procedure for identifying and troubleshooting flashback.
Steps to test the pressure control switch.
Guidelines for installing and operating at high altitudes.
Procedure for testing the DSI ignition control module.
How to test the flame sensor for proper operation.
