WireMap
All units
Split system240 V 1Ø / 120 V indoor24 VACR-410A

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.

Indoor
80% AFUE gas furnace / air handler
Outdoor
2.5 ton 14 SEER condensing unit
Indoor — furnace / air handlerOutdoor — condensing unitThermostatR Y G W CRYGWCTransformer120 V → 24 VLNRCFurnace IFCIntegrated controlRCYGWY outG outW outIndoor fan relayIFR / G coilGCL1BLWIndoor blowerPSC / ECMLNGNDLimitNC thermalWWGas valve24 V solenoidWCInducerDraft motorLNDisconnect240 V L1 / L2L1L2L1L2LPSNC low pressureYYHPSNC high pressureYYContactor CC24 V coil · 240 V contactsL1L2T1T2A1A2Dual run capC · HERM · FANCHERMFANCompressorScroll · Herm / C / SHERMCSGNDOD fanCondenser motorLCGNDEGC indoorEquipment groundGNDEGC outdoorEquipment groundGND

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Pick a sequence to watch voltage travel the circuit.