wiring res fridge

[Chopperbob]

Whats the best way to wire a res fridge? I have a 2000w
inverter, 4000w gen and shore power. ATS? Manual?
Thanks!
Bob

[Almot]

CA Traveler wrote:
His 550W solar should keep the battery charged for most days.

Er... flat 550W? with MW and possibly other AC loads? Let's say "for most days in May through August in SoCal" :). In December it won't harvest enough for that fridge alone.

[Almot]

Chopperbob wrote:
Oh my inverter is 2000 psw.

Doesn't matter, 1/3 of this would be enough for a fridge with start-up current and all. It's a 24 hr nature of fridge that is important when off-grid. 100W fridge will draw about same much as 1000W microwave over 24 hr period. 550W solar - in your parts - should be enough though. 4 GC is good, more capacity = shallower cycle = easier for solar to keep up.

Running fridge on inverter - when you have grid available - still doesn't make sense.

[Almot]

DP

[Chopperbob]

Oh my inverter is 2000 psw.

[Chopperbob]

Yeah just figured bigger is better. 4 big gc batts.
Trimetric plenty of solar what's not to like. I'm going
to try and run it off the inverter for starters see how
that works. I can always add a ATS later.

[GordonThree]

csamayfield55 wrote:
You guys agree making this way too hard.

guilty ... I often look for the most difficult way to do something, and then work down, instead of starting simple and working up 🙂

[CA_Traveler]

His 550W solar should keep the battery charged for most days.

[time2roll]

Almot wrote:
Plug it direct into inverter.
("Behind the fridge"? Inverter? Isn't it supposed to be near the batteries? Ok, it's never late to learn)...

So, - plug it direct. Then go on grid, turn inverter off - ops, fridge stops. Or don't turn inverter off, let the battery cycle like crazy and keep your fingers crossed that converter will catch up. Or get ATS. Plenty of choices 🙂

Yes, dedicated inverter can do, and it doesn't have to be powerful, your fridge is probably ~100W.

Why would the battery cycle at all with 100w load? Converter will easily hold float voltage. Only cycling will be when off-grid camping.

[csamayfield55x]

You don't ever have to unplug it from the inverter. It will supply power whether on shore power or not. Not sure why this is so hard to understand. Most new trailers with res fridges have the inverters at the fridge and they just stay plugged into them all the time.

Chris

[Almot]

Plug it direct into inverter.
("Behind the fridge"? Inverter? Isn't it supposed to be near the batteries? Ok, it's never late to learn)...

So, - plug it direct. Then go on grid, turn inverter off - ops, fridge stops. Or don't turn inverter off, let the battery cycle like crazy and keep your fingers crossed that converter will catch up. Or get ATS. Plenty of choices 🙂

Yes, dedicated inverter can do, and it doesn't have to be powerful, your fridge is probably ~100W.

[wolfe10]

While we can SPECULATE on the best way, we really need more information on exactly what equipment you have.

Answers will/should vary depending on:

Do you have an inverter only or is it an inverter/charger?

If inverter/charger, does it have a built in ATS (as most do)?

Tell us what equipment you have and the answers will be a lot more "on target".

[CA_Traveler]

Just plug it into the inverter, no need to unplug etc. You might want to consider a smaller more efficient inverter dedicated to the refer. Presumably you've sorted out battery capacity, charging, PSW vs MSW, installation of the res refer and other possible concerns.

[GordonThree]

Almot wrote:
Transfer switch.

x2 ... automatic would be my choice 🙂

[csamayfield55x]

You guys agree making this way too hard.

Plug it into the inverter behind the fridge. Leave it plugged into 12 volt power. It will power it directly off the batteries when no 120. When 120mis there your converter will power it indirectly through the action of charging the battery. No switches, no unplugging or replugging. It works just like the 12 volt lights in the trailer

Chris

[Chopperbob]

Mostly drycamp. Would like to power up before departure. I have
550w of solar. I guess I could plug direct into inverter
then manually switch when using shore. ATS would be
the best.