HVAC service tech here. If you are interested in having your fan run continuously (which I recommend) it can be done using your set up provided that the new thermostat can run on batteries. If it can use batteries then the green wire that goes to C can be moved to G in the stat as well as in the furnace cabinet.
Lebzeppelin2112 t1_j9ogf3w wrote
Reply to Thermostat wiring missing fan relay? by VictoryInChains
HVAC service tech here. If you are interested in having your fan run continuously (which I recommend) it can be done using your set up provided that the new thermostat can run on batteries. If it can use batteries then the green wire that goes to C can be moved to G in the stat as well as in the furnace cabinet.