M# AZC715DBV1 S# GZ842008 Im hoping someone can help,unable to get to wiring to check amps when running inheat, middle of unit getting 45deg DT, on the outsides getting 20deg DT(is this normal for 1) also where are the heaters located to find out which of a few heaters are capatible, it is a heat pump so below 45deg only heaters work which it is below that. also trying to find literature to show parts, any help would be greatly appriciated.