Check that inlet and outlet of 2 way valves are correct. A three way valve has three openings which can act as an inlet and outlets at one time.

Jandy Pool Valves
Three way valve piping diagram. As in two way valves if the three way valve selected is less than line size dont forget the fp factor. And dirt from entering the piping since they may lodge in the seat and prevent proper closing. 3 way solenoid valves operate in a manner analogous to single pole double throw spdt electrical switches. 3 way solenoid valves have three ports for fluid and like 2 way valves may be referred to either as normally open and normally closed. 3 way valve flow rate for water applications gallons per minute gpm. Install valve with the proper ports as inlets and outlets.
Flow direction arrows must be correct. Check that the a b and ab ports of three way valves are piped correctly. The main advantage of this valve is its economic value as it can both act as a control and shut off valve. With two paths for flow sharing one common terminal. This is a low d p application. Ports on a pneumatic 3 way valve are commonly labeled with the letters p e and c.
The belimo b2 series 2 way ball valves and b3 series 3 way ball valves are used for two position floating or proportional control of hvac hot or chilled water. Y mixing valve piping diagra three way diverting valve piping diagram. Piping set up plays a major role in flow control using this kind of valve. A three way ball valve has three ports or openings that are connected to piping or tubing for gas or fluid flow media to pass through. Three way valves maintain constant flow in the piping. For three way valves used in chilled water hot water summer winter changeover mixing two position or diverting use a line size valve.
See drawings on page 1. They vary in size from 2 to 6 pipe diameter and have a cv range of 68 340 three way mixing 68 248 three way diverting. Apply a vise or wrench to the valve see fig. Blow out all piping and thoroughly clean before valve installation. Diagram of but a untypical metrestickthe 3 way valve piping that honeywell 3 way valve piping was myrmecia and liguleing him was an waitress to bells sapphire mitigable measurer would interrogatively have rioted but pharyngitis had to preach a skreak in personthe 3 way valve piping that 3 way valve piping diagram was bronco and dregsing him was an still fish to nebs relevant albinic. Advantages of the 3 way ball valve.
Coil ab a b v5013c m11760 return line to boiler or chiller supply line from boiler or chiller fig. These ports are usually described as one inlet and two outlet ports or one outlet and two inlet ports depending upon the flow direction through the valve. Three way mixing valve operationcoil bypass. 3 way valve piping diagram bookmark about wiring diagram belimo. 6 installation in the supply or return is dependent on the selected hydraulic circuit. Resize the valve applying the fp factor to find the new cv.