Semi-hermetic indoor units for HT R22, R404A applications
Third character D units use discus compressor
All units include receiver, BX cable
Connections are compressor service valve suction x rotolock receiver valve liquid; newer units and 020 suffix units will have all sweat connections
Receiver capacity listed for R22 or R12 single refrigerant application; for R22,R404A dual use units multiply listed capacity by .86 for R404A capacity