Allied Furnace: Conditions for using the furnace as a construction heater
Conditions for using the furnace as a construction heater on a Allied furnace: The manual discourages construction heating. Allowed only when every condition below is met.
Applies to: Furnace used for heating during construction
How to fix conditions for using the furnace as a construction heater: step by step
- Install the vent system permanently per these instructions.
- Control the furnace with a room thermostat. No fixed jumpers for continuous heating.
- Provide and seal the return air duct to the furnace.
- Keep return air between 60°F (16°C) and 80°F (27°C).
- Keep air filters in place during construction and replace them at completion.
- Set input rate and temperature rise to the nameplate.
- Provide 100% outdoor combustion air through temporary ducting, not connected directly to the furnace.
- Clean the heat exchanger, components, duct system, filters and evaporator coil after final cleanup.
- Verify ignition, input rate, temperature rise and venting per these instructions.
Safety: Gas, electrical and refrigerant work must be done by a licensed technician. Turn off power and gas before servicing, never bypass a safety control, and always follow the manufacturer's manual for your exact model.
If the unit shows an error code, look it up: Allied Furnace codes
Source: Allied 92G1UH installation instructions manual, p. 9-10. Written in our own words as a summary; always check the original manual.
General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.