Allied Furnace: Change blower speed tap
Change blower speed tap on a Allied furnace: Change the blower speed tap on the integrated control to match the heating or cooling speed needed.
Applies to: Blower speed selection
Common causes of change blower speed tap
- Temperature rise outside the range on the rating plate
- Cooling airflow too low or too high
- Duct changes after install
- Noisy or drafty registers from too much speed
How to fix change blower speed tap: step by step
- Turn off electrical power to the furnace, because the control board has line voltage nearby.
- Remove the blower access panel.
- Disconnect the existing speed tap from the control board speed terminal.
- Insulate any unused motor leads so they cannot touch metal.
- Place the unused speed tap on the integrated control PARK terminal or insulate it.
- Select the speed from the blower speed chart on the unit wiring diagram.
- Connect the selected speed tap to the control board speed terminal.
- Reinstall the blower access panel.
- Turn on power and recheck the temperature rise against the rating plate.
If the unit shows an error code, look it up: Allied Furnace codes
Models
92G1UH92G1UH0450892G1UH0451292G1UH0700892G1UH0701292G1UH0901292G1UH0901692G1UH1101692G1UH1102092G1UH1352095G1UHA93UHA95UH
Source: Allied 92G1UH installation instructions manual, p. 46. 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.