Problems with new plumbing

[lacosh]

Thanks for all the great advice! We followed imfignewton's advice with stopping and starting and were finally able to get it going! I've attached a photo of the plumbing. All our plumbing is on a deck that will be enclosed by a shed when we get around to building it. ;-) With all the valves open, it's quite a lot of vertical pipe. After getting the one line going, we got the others one by one.

We'd need a lot of check valves if we put one on each vertical run. We currently just have one check valve installed after the filter. Shouldn't the water stay in the pipes now that we have it started? I'm hoping this hassle will only be when we open the pool each year...

On another note, our brand new DE filter is a Pentair FNS Plus 36. In the manual it said when you get it running the first time time to mark the pressure so you know when to backwash. Well, now that the pool is started, the guage still reads 0. I can call Pentair on Monday, but maybe someone here will know what's going on! (I posted this question on the equipment discussion board.)