7 Wire Thermostat Wiring Diagram

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For units using only 1 speed (see unit wire diagram. ) must add jumper on thermostat between g and g2, or conﬁ gure thermostat for 1 speed (g only). Select the product family (packaged systems, vertical. Label each thermostat wire at the thermostat location with the appropriate terminal letter designation using the labels provided with the honeywell rth7500. The red thermostat wire connects to the r terminal on the rth7500;

Carrier hvac thermostat wiring diagram wiring diagram is a simplified up to standard pictorial representation of an electrical circuit. Honeywell st9120c4057 wiring diagram download wiring. Your côr thermostat has a color touch screen and interface similar to. Carrier cor thermostat wiring diagram. First things first, make sure to shut off the power on your fuse box for the thermostat, air conditioner, and furnace. That's your permanent live. (1 on the honeywell ). Note, make sure that heating is selected to on at the programmer or you will get zip. Now you know that, you will probably find that there is 230vac between the (known) live and one of the other wires.