STK412-170 Parallel Mode or Only Bridge is Possible

I have two chips stk412-170 I want to connect 4 more so my idea is:
One Chip give two channels x 170w into 4 ohm is it possible to connect this two channels in parallel mode or only bridge mode is possible and how? ive tried to connect them in parallel mode then fuses in power supply are burning I will give some photos in my amplifier
 
I have two chips stk412-170 I want to connect 4 more so my idea is:
One Chip give two channels x 170w into 4 ohm is it possible to connect this two channels in parallel mode or only bridge mode is possible and how? ive tried to connect them in parallel mode then fuses in power supply are burning I will give some photos in my amplifier
Did you try building them??