One is a roof vent and the other is the side vent.
Rv refrigerator side vent fan.
The fan wire simply plugs into the fan.
Tip 3 while rv refrigerator vent fans come in a variety of shapes and sizes avoid battery operated units.
Fan mounted by condenser coil behind the refrigerator.
I found the fans to be quiet as advertised.
For power i tapped into the 12 volt dc supply to the fridge.
I installed the model ttc sc22 fan on the back side of my sidewall refrigerator grill.
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A battery operated unit is easy to install but can be difficult to reach when it s time to change batteries.
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You will need to run the fan wire and thermostat wire from the controller box to the fan location.
At minimum you need the fridge defend without fan control v4 0 even better the fridge defend fan control v4 1 with 12v rv fridge fans which will help increase the efficiency of your fridge in addition to providing rv fridge defrosting if fans are mounted inside the refrigerator compartment as shown below.
With it wired up correctly the fan should now come on when the temperature behind the fridge gets too hot and then turns off when it cools down.
You can find an rv refrigerator vent fan kit in an appliance store or rv supplies stores.
There are two methods for venting the top of the fridge cooling unit compartment.
More than likely your rv s refrigerator vents out to the rv roof or in slide out mounted refrigerators they will vent on the side of the rv.
If you do use a battery operated rv refrigerator fan remember to turn it off when not in use.
The fan will suck fresh air into the fridge compartment and up through the ventilation stack to the roof vent.
We will show a roof vent install below.
If your rv has a upper side vent we recommend a second blower fan mounted on the side vent door.