Thermostat Terminals at michelleccoheno blog

Thermostat Terminals. In older systems, a jumper wire manually connects two terminals on a thermostat. the rc wire connects to the cooling transformer, while the rh wire connects to the heating transformer.

Wiring How to connect a new thermostat with different terminals than
from life-improver.com

table of contents. In older systems, a jumper wire manually connects two terminals on a thermostat. the rc wire connects to the cooling transformer, while the rh wire connects to the heating transformer.

Wiring How to connect a new thermostat with different terminals than

Thermostat Terminalsin addition to heating (2 wire thermostats) and c or fan (3 wire thermostats), 4 wire thermostats include the cooling wire, usually in blue or yellow color. In older systems, a jumper wire manually connects two terminals on a thermostat. table of contents. This allows the proper signal to be sent to the right place.