I recently had a Trane XV 95 installed. It is currently connected to the Thermostat to deliver heat only (with fan set to "on" or "auto"). I do not have central air, or a dehumidifier. However, I would like to have the fan run continuously so I can have my air filtered. I know I need another set of wires running from my Stat to the Furnace Contacts. I do not know which ones to connect and or bridge if necessary ?! Please Help.
The current wiring configuration is as such,
In the order of wire color to contact.
W-W1 bridge to W2