Replacement/addition of electrical
Hi folks, I've ordered myself a replacement converter (PowerMax PM4B-60 Amp 4-Stage Converter/Charger) and a new inverter (Samlex PST-300-12 Pure Sine Inverter). Now I need to install them both on...
Forum Discussion
A lot depends on the wiring layout of what you have. As a rule, inverters should be placed as close to the battery as possible. Converters should have substantial cables to connect to the battery. If you are using a converter with an included 12V distribution panel, the converter location may be at the point it was first installed and there is little other choice as DC distribution wiring needs to be taken into account.
As a best practice, the converter cables to battery and the inverters cables to battery should be separate although using a common bus is acceptable. Both positive phase cables should have their own fuse or circuit breaker within 18" of the battery and if using a common bus, the wires from bus to device should be fused at the bus.
You can capture a ground to frame wherever is convenient at a single ground point location.
I'll post my system schematic but it is more complex than what you have. I have two battery banks and switches for each device (converter, inverter, solar controller) to select between battery banks. I also use common positive/negative buses. The fuse locations may shed some light.
You only have one AC connection, the converter to 120V. It's nice to have the converter on it's own breaker and even nicer to have it plugged into a receptacle. The nicest is to have the inverter's 120V from a switched receptacle. This becomes ergonomic if you choose to power the whole trailer through the inverter (you can use the switch to close the converter charging loop).
As a best practice, the converter cables to battery and the inverters cables to battery should be separate although using a common bus is acceptable. Both positive phase cables should have their own fuse or circuit breaker within 18" of the battery and if using a common bus, the wires from bus to device should be fused at the bus.
You can capture a ground to frame wherever is convenient at a single ground point location.
I'll post my system schematic but it is more complex than what you have. I have two battery banks and switches for each device (converter, inverter, solar controller) to select between battery banks. I also use common positive/negative buses. The fuse locations may shed some light.
You only have one AC connection, the converter to 120V. It's nice to have the converter on it's own breaker and even nicer to have it plugged into a receptacle. The nicest is to have the inverter's 120V from a switched receptacle. This becomes ergonomic if you choose to power the whole trailer through the inverter (you can use the switch to close the converter charging loop).
