: The cabinet includes two removable panels on the top and sides for easy access to the motor, blower, and filter.
The control board, blower motor, and heating elements in your RHQA 1220T have their own individual part numbers printed on them. Searching for these component part numbers can sometimes lead you to wiring diagrams or service bulletins that apply directly to your unit, even if the full manual is missing.
Because this model is older, owners frequently encounter specific problems. Here are the most common issues, as reported in various HVAC forums and professional question-and-answer sites. rheem model no rhqa 1220t pdf
The unit stands vertically with return air entering through the bottom plenum or base pan.
Electric Auxiliary Heat Strip Relay (2nd Stage Heat / Emergency Heat) : The cabinet includes two removable panels on
The unit features a primary and secondary condensate drain connection. Because the coil operates under negative pressure (suction) in standard draw-through configurations, a properly sized P-trap must be installed on the primary drain line to prevent sewer gases or stagnant water from being pulled back into the airstream. Maintenance and Troubleshooting
The RHQA series includes various models like the RHQA 1000, 1010, 1215, 1615, and, of course, the 1220T. These units are valued by HVAC professionals for certain design features, but they also have known characteristics that any owner should be aware of. Because this model is older, owners frequently encounter
Residential, multi-family, and light commercial heat pumps.
Use the exact dimensions (e.g., 16x20x1 or 20x20x1) specified on your unit's cabinet.