Unit library
Each drawing is a different machine. A mini-split is not a rooftop. A rooftop is not a split. Open one and play the sequence that matches the call.
Split system
Residential split — 2.5 ton / 80k gas
Outdoor condensing unit plus indoor gas furnace. Classic 24 V R/Y/G/W/C. Contactor, dual run cap, LPS/HPS in the Y path.
240 V 1Ø / 120 V indoor
24 VAC
2.5 ton · 80 kBtuh · R-410A
Packaged RTU
Packaged RTU — 5 ton gas/electric
One cabinet on the roof. Supply blower, condenser fans, scroll, and gas heat share the box. Economizer on 24 V. Not a split.
240 V 1Ø
24 VAC
5 ton · 2-stage gas · R-410A
Mini-split
Ductless mini-split — 12k heat pump
Inverter compressor, interconnect 1/2/3, no 24 V thermostat. Indoor is powered from outdoor. Do not land R/Y/G/W on this machine.
230 V 1Ø at outdoor
Serial comm (not 24 V)
12 kBtuh · R-410A