What would happen if the hose that goes to the turbo from the Amal valve was plumbed to the actuator and vice versa?

I cant rememebr which way round they go and I cant see any leters on my Amal valve (C, W, or R).

Is it the top hose that goes to the turbo or the middle one? (bottom one is still plumbed to the metering unit)

Thanks!