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General| Blower Type | Variable speed |
|---|---|
| Energy Star Certified | Yes |
| Gas Valve | Modulating |
| Fuel Type | Natural gas or propane |
| Ignition Type | Electronic |
| Heating Stages | 2 |
| Warranty | Limited Lifetime warranty on heat exchanger; 10-Year limited warranty on covered components |
| Heating Capacity | 44, 000 to 132, 000 BTUH |
Detailed technical specifications for G61MPV units, covering performance and electrical data.
List of optional accessories available for G61MPV units, including filter kits and cabinet accessories.
Performance data for G61MPV blower motors, including airflow and wattage at various static pressures.
Diagram illustrating the arrangement of major components within the G61MPV unit.
Description and identification of key internal components of the G61MPV unit, including control box and board.
Guidelines and requirements for installing G61MPV furnaces, including vent pipe and termination configurations.
Step-by-step instructions for safely starting up the G61MPV furnace for heating operation.
Procedures for performing essential service checks on the G61MPV heating system.
Guidelines for regular maintenance of the G61MPV furnace, including blower, filters, and heat exchanger cleaning.
Electrical diagrams and operational sequences for the SureLight control boards.
Guidelines for field wiring and jumper configurations for various thermostat and system setups.
Diagnostic codes and corrective actions for common problems encountered with G61MPV furnaces.
Details on the control box, including transformer, interlock switch, circuit breaker, and integrated control board.
Critical safety warnings regarding electronic controls and potential hazards during servicing.
Adjusting the blower-off delay time for comfort using DIP switches 1-4.
Selecting cooling mode blower speeds using DIP switches 5-6.
Adjusting blower speed by +/- 10% using DIP switches 7-8.
Selecting cooling mode blower speed ramping options using DIP switches 9-10.
Selecting heating mode blower speeds using DIP switches 11-12.
Information on the SureLight ignitor, its voltage control, and resistance values.
Description of the flame sensor's location, function, and how it ensures continuous burner operation.
Instructions for routing, supporting, and terminating exhaust piping in upflow, downflow, and horizontal applications.
Guidelines for terminating exhaust pipes in non-direct vent applications, including routing and support.
Steps for inspecting electrical wiring and voltage before starting the unit.
Procedures for initiating heating operation, including gas valve and ignitor sequence.
Instructions for operating the gas valve, including safety precautions and normal/off positions.
Information regarding CSA design certification for G61MPV units.
Guidelines and precautions for gas piping installation, including connector types and pressure drop.
Procedures for safely testing gas piping connections for leaks.
Detailed steps for measuring manifold pressure at low and high fire settings.
Notes on potential manifold pressure adjustments required for installations at higher altitudes.
How the blower operates based on thermostat settings and how to adjust blower speed.
Instructions for measuring temperature rise and adjusting blower speed for optimal performance.
Procedures for measuring external static pressure and ensuring it meets system requirements.
Instructions for checking and cleaning the blower wheel for debris.
Guidelines for inspecting and replacing furnace filters based on cabinet size.
Instructions for inspecting vent pipes for blockages and ensuring proper connections.
Detailed wiring diagram for the SureLight Board 49M59, showing connections to various components.
Flowchart describing the operation of the indoor blower in continuous low speed fan mode.
Explanation of the SureLight Board 100870's operation based on thermostat type and dip switch settings.
Description of the SureLight control's self-check process upon a call for heat.
Furnace operation with a two-stage thermostat and relevant dip switch settings for the SureLight Board 100870.
Furnace operation with a single-stage thermostat and relevant dip switch settings for the SureLight Board 100870.
Wiring diagrams and jumper settings for G61MPV units with SureLight Board 49M59 and different thermostats.
Troubleshooting guide for issues related to the SureLight Board 49M59, including flash codes and possible causes.
Troubleshooting steps for when the unit fails to operate in cooling, heating, or continuous fan modes.
Troubleshooting steps for when the combustion air inducer does not energize during heating.
Troubleshooting steps for heating mode failures where the combustion air inducer is not energized.
Troubleshooting steps when the ignitor is energized but the unit fails to fire in heating mode.
Troubleshooting steps when burners light but the unit shuts down before satisfying the thermostat.
Troubleshooting steps when the control signals a low flame sense during heating.
Troubleshooting steps for indoor blower failure in any operating mode.
Troubleshooting steps for when the unit fails to operate in cooling, heating, or continuous fan modes.
Troubleshooting steps for heating mode failures where the combustion air inducer does not energize.
Troubleshooting steps for heating mode failures where the combustion air inducer does not energize.
Troubleshooting steps when the ignitor is energized but the unit fails to fire in heating mode.
Troubleshooting steps when the unit fires on low fire but fails to transition to high fire operation.
Troubleshooting steps when the ignitor is energized but the unit fails to fire in heating mode.
Troubleshooting steps when burners light but the unit shuts down before satisfying the thermostat.
Troubleshooting steps when the control signals a low flame sense during heating.
Troubleshooting steps for indoor blower failure in any operating mode.
Wiring instructions for the Emerson motor with the two-stage variable speed control.
Wiring instructions for GenTeq/Emerson motors with the two-stage variable speed control.
