There is also a dryer bypass circuit for servicing the dryer while the shop continues to used be fed air. To effect the bypass,open the valve between the compressor (in vertical piping)and the left side of the house circuit mixing piping and close the valve between the dryer and the right side of the house circuit mixing piping. | There is also a dryer bypass circuit for servicing the dryer while the shop continues to used be fed air. To effect the bypass,open the valve between the compressor (in vertical piping)and the left side of the house circuit mixing piping and close the valve between the dryer and the right side of the house circuit mixing piping. |