problems with wood stove CH

[rors]

Hi can any one help me i have a CH wood stove and the way the plummier has plumed it up is defiantly wrong be cos when you switch the pump on it circulates a round the hot cylinder coil is there any way to stop this and send it round the CH
Here is a ruff diagram.

 

[helpsy]

Can't see any diagram

 

[Winston]

Looks ruff

 

[helpsy]

Must have used a white marker pen,as it seems to have merged into the background!!!LOL

 

[REDSAW]

is this another case of the customer telling the pro plumber he is wrong and 10-20 years in the buisness he should know better?.
or jo blogs just dosn't understand how things work, i wonder in baited breath????????
lol.