Carrier 23XL - Page 102

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Fig. 51 — Typical Solid-State Free-Standing Starter Wiring Schematic (Low Voltage)
NOTES: PFC — Power Factor Contactor 1M CONTACTAUX — Closes when SCR’s are gated (ON)
— Opens when SCR’s are not gated (OFF)
2M CONTACT AUX — Closes when motor is at full voltage (up to speed)
LEGEND
AUX — Auxiliary CB — Circuit Breaker COMM — Communication COND — Condenser CPT — Control Power Transformer CT — Current Transformer DISCH — Discharge DS — Disconnect Switch EVAP — Evaporator FU — Fuse HPR — Horsepower ISM — Integrated Starter Module MTR — Motor PFC — Power Factor Contactor PRESS — Pressure SCR — Silicone Control Rectifier ST — Shunt Trip STAT — Status TB — Terminal Block TC — Thermostat Cooling TRAN — Transformer VFD — Variable Frequency Drive
Starter Vendor Power Wiring Starter Vendor Control Wiring Field-Installed Power Wiring (Supplied by Others) Field-Installed Control Wiring (Supplied by Others) Option — Starter Vendor Wiring Twisted Pair Wiring By Starter Vendor Customer Terminal Connection