Venstar T1700 Wiring Diagram. Web the manual on that thermostat does not show a wiring diagram. The heat is gas and the ac is a carrier system. I'm trying to install a Venstar T5800 thermostat. I've set up the from www.justanswer.com View online or download venstar voyager t3700 installation instructions and owner's manual. Venstar t1700 […]