Tag: 8870 Communicating

Aprilaire 8870 Communicating Thermostat Installation Instructions MODEL 8870 These instructions are for connecting the Thermostat to the HVAC equipment. To connect communication features, please reference the Communicating Thermostat System Installation Manual. READ COMPLETE SAFETY & INSTALLATION INSTRUCTIONS BEFORE STARTING WARNING 120-volts may cause serious injury from electrical shock. Disconnect electrical power to the furnace and…