INSTALLATION INSTRUCTIONSStep 1. Select Valve Position:Choose a suitable position for the valve in thecircuit to be controlled, which allows sufficientaccess for wiring and maintenance.The position chosen must not isolate the boilerfrom the open vent or the cold feed pipe work.The valve may be fitted in a horizontal, vertical orinclined orientation. The valve must not be fittedon the return circuit.The actuator must not be fitted below the valvebody.Step 2. Fit Valve Body to Pipe work:Fit the valve body using the 22mmcompression nuts provided. Ensurethat the valve body is only gripped onthe hexagonal faces at the valve ports.Take care not to over tighten. Port Ashould be connected to CH and Port Bconnected to DHW.Step 3. Fit Actuator to Valve Body:Position the actuator on the valve body by locating thespindle in the cam slot.Rotate actuator until the locating lug (shown) lines upwith locating lug-hole on the mounting plate (shown).Fix the actuator to the body by lightly tightening thescrews provided.Set the override lever to MID. Fill, test and thoroughlyflush the system.VALVEBYPASSAUTOVALVETHREE PORTDOMESTIC HOTRADIATORSPUMPBOILERWATER CYLINDERLocating Lug Manual Lever