We have recently bought a pheonix 12/250VA inverter to replace the old one in our motorhome. I have read through the instruction manual, and found a mistake that contradicts the installation position. The following two photos are where it occurs, 3.1. Position 5 (which is how I intend to align it), says that position is ok, position 4 is not recommended. This is contradicted in the appendix: mounting instructions: the text at the bottom states position 4 is a suitable position, while 5 is advised not to be used in the bold text at the bottom. I have also attached the front cover for reference.
My question (other than pointing out the contradiction) is can I install it horizontally on a vertical surface (3.1: position 5)?