To Next PageTo Next Page
Need help?Do you have a question about the Carrier 48SX and is the answer not in the manual?
General| Fuel Type | Natural Gas or Propane |
|---|---|
| Heating Capacity | 40, 000 to 120, 000 BTU/h |
| Ignition Type | Direct Spark |
| Stages | Two-stage |
| Dimensions | Varies by model |
| Weight | Varies by model |
Do not store or use gasoline or other flammable vapors and liquids near the appliance.
Steps to take if you smell gas, including not using electricity or phones.
Turn off gas and power before maintenance to avoid electrical shock.
Critical safety warnings before starting the gas heating section. Fire/explosion risk if not followed.
Detailed steps for lighting the unit's gas heating section, including thermostat and valve adjustments.
Never manually light burners. Call dealer if ignition fails; improper handling can cause injury.
Turn off gas supply before electrical power to prevent fire or personal injury.
Steps to safely shut down the unit, including thermostat, gas valve, and power settings.
Keep unit area clear of flammables and ensure proper airflow clearance for safe operation.
Guidance for owners on self-maintenance, emphasizing safety and proper procedures.
Procedure for inspecting, cleaning, or replacing air filters for optimal unit performance.
Never operate the unit without filters; failure can damage the motor or cause fire.
Turn off gas and electrical power before servicing. Be aware of sharp metal parts and screws.
Check heat exchanger before heating season; requires qualified personnel for cleaning.
Periodically inspect fan wheels, housings, and bearings. No lubrication needed.
Coil cleaning must be done by qualified service personnel annually.
Check and clean the drain pan and line when cooling coils are serviced.
Compressors are shipped with oil; service person ensures proper level during installation.
Keep fan free of obstructions. Warning against poking objects into blades.
If unit makes loud noise on ignition, shut down heating and call dealer.
Steps to inspect burner areas for dirt, soot, rust, or scale using a flashlight.
If dirt/soot found, call dealer and do not operate heating section.
After inspection, follow start-up procedures and observe unit heating operation.
Be careful of hot components in heat section after startup to avoid injury.
Comprehensive list of checks for a qualified technician, including flue passages, gas pipes, coils, and electrical components.
Verify airflow, check air filters, and ensure grilles are unobstructed.
Confirm thermostat settings, system switch position, and electrical supply.
Inspect external manual shutoff valve and internal gas valve control switch.
Call dealer if issues persist; provide model and serial numbers for efficient service.
Steps to follow if the unit does not work: contact installer, distributor, or Carrier Corporation.
Explains one-year and extended warranties for parts, excluding labor and specific conditions.
Lists items not covered, including normal maintenance, faulty installation, and consequential damages.
Steps to follow if the unit does not work: contact installer, distributor, or Carrier Corporation.
Explains one-year and extended warranties for parts, excluding labor and specific conditions.
Lists items not covered, including normal maintenance, faulty installation, and consequential damages.
