RV Heat Pump Indoor Unit Installation - DIY Mini Split AC & Heating in Camper / Motorhome

► RV Heat Pump Install Recap Video: https://www.youtube.com/watch?v=UKV89WV9P-Y
► Learn how to install a Ductless Heat Pump in RV / Camper / Motorhome.

This video covers installation of INDOOR UNIT (air handler) in the back of an RV, finding wall studs, mounting a wooded support board, installing mounting bracket, fitting signal wire and hanging the air handler on the wall.

STEP 1 (1:08): Find wall studs: I tried to use a stud finder, but due to insulation in walls, i was getting too many false positive/negative readings. So I just used a multi-tool (https://amzn.to/3qbMVG2) to cut small slots in the wall panel, until I found 3 studs, which I used to mount the wooded support board.

STEP 2 (2:20): After finding the studs, I closed the slide, to see exact clearance that I have for the indoor units. I marked the spacing, making sure that slide would not bump into air handler.

STEP 3 (2:50): I installed metal mounting bracket, making sure to have at least 6" top clearance for air intake, and positioned the unit as close to the center as possible.

STEP 4 (4:10): I unbent the lineset connections and place them in the correct position, facing directly down, as my lineset is vertically mounter inside the room.

STEP 5 (5:15): Hang the indoor unit on the wall.

NOTE: This Fujitsu mini split is a 240V unit, and will not work for most people, unless you have 240V service at home or inside your RV. Most campgrounds and RV parks WILL NOT have 240V available for general public.

For most of you, get a 120V unit such as MR COOL 12K 120v - https://amzn.to/3DEnuSl

MY 240V solution is to have 2 Growatt 3000W solar inverters (https://amzn.to/3DlTlXG) in split phase, which will give me 120/240V and has a built in charge controller, as well as AC input.

I will connect that to 48V LiFePo4 batteries and will have about 1600W of solar panels on the roof of my camper.

This way I will have local 240V power, which could be charger from 120V shore power at any campground and with solar panels.

THIS IS MOSTLY A Preview video. I will be publishing a detailed video for each step of this install in coming days/weeks.
► Ductless Heat Pump Cost Calculator: https://www.remodelingcalculator.org/mini-split-ac-cost-calculator/

►►► TOOLS NEEDED FOR COMPLETE MINI-SPLIT INSTALL (what I use):

NOTE - you can buy Chinese knock-offs, but for quality job, I highly recommend brand name. I use cheapest GOOD tools - nothing fancy!

► REQUIRED TOOLS
- Flare Tool: https://amzn.to/3lhvHWc
- Imperial Tube Cutter: https://amzn.to/3d2Twwi
- Yellow Jacket Manifold Gauges: https://amzn.to/3xCXMMp
- Yellow Jacket Mini Split Adapter (5/16" to 1/4"): https://amzn.to/3xB7NK0
- Vacuum Pump (get a better one, but cheap will also work): https://amzn.to/3rtAxTQ
- Micron Gauge: https://amzn.to/31cVdEG
- Clamp Multi-Meter (get True RMS type): https://amzn.to/3d02R83

I use CPS Micron Gauge (https://amzn.to/32yj5TR), but you can use other brands. I actually DON'T like Yellow Jacket vacuum gauge.

I use Robinair 5 CFM Vacuum Pump (https://amzn.to/3d3rhxy), but you can use almost any brand - expensive or cheap. I got a more expensive one, because need to use it for many years.

Don't buy Vacuum Pump with manifold gauges - get Yellow Jacket.

► SIDING Tools:
- Siding Removal Tool: https://amzn.to/3p5U6yM
- 3" Metal Snips: https://amzn.to/3I7MgO7

► RECOMMEND, but not required tools:

- Yellow Jacket Mini Split Torque Wrench: https://amzn.to/3FVZ6wU
- APPION 1/4" Valve Core Removal Tool: https://amzn.to/3o6n1DL
- APPION 5/16" Valve Core Removal Tool: https://amzn.to/3pc3ocJ

APPION core tools are not required, but make your life so much easier!

- UNI-WELD Nitrogen Regulator (needed for Pressure Test): https://amzn.to/3FTjLSa

You will need to get a Nitrogen Tank from local welding supply.

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