Carrier 19XL series Installation Instructions Manual page 74

Figure 26 — 19XL Typical Field Wiring with Optional Unit-Mounted Starter
LEGEND
AWG — American Wire Gage
NO — Normally Open
NC — Normally Closed
PR — Pilot Relay
RLA — Rated Load Amps
ST — Shunt Trip
TB — Terminal Block
— Required Power Wiring
— Required Control Wiring
— Options Wiring