They work by powering a motor against a spring, for one position full power is provided to open one port fully; for mid position the power is . Drayton BGMVSPMid Position Actuator Valve – How. Oct 2009Drayton MAActuator problem?
The switches SWand SWare shown in the valve rest position (port B open). Sounds like yours is stuck in mid position. It’s not stuck in position it does change, I’m just not sure it does so correctly.
DO NOT ATTACH THE ACTUATOR UNTIL THE VALVE BODY HAS BEEN FI’I’I’ED AND ALL.
DO NOT ATTACH THE ACTUATOR UNTIL THE VALVE . Hi, I have a Drayton MAmid-position actuator which I think has failed but would. Are there any checks I can do with the head to see if this is working correctly? If I use the manual lock lever to force it to the mid-position, it heats both. Failure of the motor causes these valves to only work on DHW as the . And here’s how they work together as a whole system.
The diverter valve is sometimes called a ‘mid-position valve’ for this reason. Motorised valve faults can be due to a seized valve or a faulty actuator. Three port mid position valves which allow water to be routed to the hot water circuit, or the heating.
On older types this isn’t possible and you will need to drain before starting work. Undo these and cut the wires where they go into the terminal box. V4073A Mid-position (Y Plan) Valve Operation. The valve must always be connected so that the flow of water goes into port AB and flows .