WARNING
HAZARDOUS VOLTAGE: Risk of electric shock. Can cause injury or death. All low voltage wiring must be segregated from line voltage circuits in the system.
The outdoor temperature sensor, room thermostat, and peak control device are connected via low voltage wiring.
Link to current ECM-Style low voltage diagram.
NOTE: The "R" and "C" positions in the low voltage terminal strip may be used as a source of 24 VAC for powering external low voltage devices (60 VA maximum).
