Normal Running valve position
1 Inlet Valve (Open) 2 Outlet Valve (Open)
3 DP sensor valve (Closed) 4 2 x Link valve (Open)
5 Drain Valve (Closed) 6 Full flow test point valve (Closed)
7 Sampling point Valve (Closed) 8 Sensor maintenance valve (Open)
9 Line Valve (Open) 10 PD flow control valve (Leave as set)