Reset Volume Controller Thermostat Required for Cooling Direct/Reverse Acting Thermostat Required for Heating Direct/Reverse Acting Reset Start Point Factory Setting 10 psi Minimum Air Pressure 15 psi Maximum Air Pressure 30 psi Minimum Setpoint Range Minimum 0 to 1 in wc Maximum Setpoint Range Min to 1 in wc Reset Start Point Minimum Setting 0 psi Reset Start Point Maximum Setting 10 psi Air Consumption 28.8 scim Signal Pressure - Maximum 6 in wc