Two years ago I purchased the propane/solar heater sold in the store. Well, my fish died last fall so I went ahead and shut down the heater for the winter to save money. Now I can't get it started again. I bought a new pump, but I know I need to rebleed the system, but I can't find the manual with the setup instructions. If anyone out there has the same system and a copy of the manual, I would r…