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Need help?Do you have a question about the KeepRite F9MAC Series and is the answer not in the manual?
Explains how signal words are used in the manual to identify hazard seriousness.
Describes signal words used in combination with colors or pictures on product labels.
Covers installation, adjustment, alteration, service, maintenance, and use hazards.
Highlights hazards related to unqualified personnel and improper installation.
Warns about the danger of electrical shock during service operations.
Alerts to CO poisoning and fire risks, and unit usage limitations.
Advises caution due to sharp edges on sheet metal parts.
Outlines basic electrical, gas, and grounding requirements for start-up.
Details how to configure furnace setup switches for application requirements.
Explains setting AC airflow based on tonnage and unit configuration.
Describes selecting airflow for continuous fan or low-speed cooling.
Covers the function of SW4 switches for intermediate heat and airflow adjustment.
Provides steps to prime the condensate trap with water for proper drainage.
Warns about potential damage from incorrect gas valve adjustment.
Steps to check inlet gas pressure for proper furnace operation.
Procedure for setting manifold pressure for maximum heat input.
Procedure for setting manifold pressure for minimum heat input.
Method to verify natural gas input rate by clocking the meter.
How to measure and adjust temperature rise for optimal furnace performance.
Setting the blower off-delay timer for heating mode.
Setting airflow for high-speed and low-speed cooling applications.
Setting airflow for continuous fan mode or low-speed cooling.
How to set the thermostat heat anticipator based on amp draw.
Procedures to check main limit and pressure switches for proper operation.
General notes on furnace installation orientation and service.
Information on electrical safety, wiring, and control system diagnostics.
Guidance on using status codes and troubleshooting charts for problem diagnosis.
Instructions for cleaning or replacing the furnace air filter.
Procedures for cleaning the blower motor and wheel for optimal performance.
Steps for cleaning burner assemblies and flame sensors for proper combustion.
Guide for checking resistance and replacing the hot surface igniter.
Instructions for flushing the collector box and drainage system to prevent clogs.
Steps for cleaning the condensate drain lines and trap.
How to check the operation and condition of the condensate heat pad.
Procedure for cleaning primary heat exchangers to ensure proper airflow.
Steps to winterize the furnace to prevent damage in cold conditions.
How the furnace operates with a communicating wall control.
Furnace operation sequence with a single-stage thermostat.
How the furnace operates with a two-stage thermostat for heating.
Explanation of furnace operation during cooling cycles.
How the furnace functions when a dehumidification demand is present.
Operation of the blower motor in continuous fan mode.
Furnace control logic when installed with a heat pump.
General| Fuel Type | Natural Gas |
|---|---|
| AFUE | 96% |
| Blower Motor | Variable Speed |
| Motor Type | ECM |
| Heating Capacity | 40, 000 to 120, 000 BTU/h |
| Warranty | Lifetime Heat Exchanger Limited Warranty |
