12-11-2017, 07:14 AM
When the basement thermostat calls for heat, Pump 2 and the basement fan coil(s) are energized. Pump 2 loop includes Zone 2 which is normally the bathroom. So, the fan coil(s) in Zone 2 will become warm but the fans will not turn on.
Plumbed this way on all models and years.
Plumbed this way on all models and years.
Rudy Legett
2003 Foretravel U320 4010
ISM11 450 hp Allison 4000R
Factory Authorized Aqua Hot Repair Center
Southeast Texas Area