Taco Zvc404 Indicator Lights Meaning. I just installed a nest thermostat to one of the zones (2, total) and the yellow status light keeps. The green light should always be on, indicating that.
Taco ZVC4044, 4Zone Valve Control PexUniverse
Web i have a taco zvc403 connected to 3 zone valves and boiler. Web i have a taco zvc406 zone controller. This is the type which takes signals from multiple thermostats and uses relays to switch on the heating loop pump. When the zone valve is fully open, the red light goes on and energizes the end switch relay. Web external visible indicator lights show full functionality of all products wired to the zone valve controls. The green light should always be on, indicating that. Web the yellow light goes on. I just installed a nest thermostat to one of the zones (2, total) and the yellow status light keeps. When the thermostat calls for heat, both the appropriate zone valve and yellow.
Web i have a taco zvc403 connected to 3 zone valves and boiler. This is the type which takes signals from multiple thermostats and uses relays to switch on the heating loop pump. The green light should always be on, indicating that. When the thermostat calls for heat, both the appropriate zone valve and yellow. When the zone valve is fully open, the red light goes on and energizes the end switch relay. I just installed a nest thermostat to one of the zones (2, total) and the yellow status light keeps. Web i have a taco zvc406 zone controller. Web the yellow light goes on. Web external visible indicator lights show full functionality of all products wired to the zone valve controls. Web i have a taco zvc403 connected to 3 zone valves and boiler.
