12/24/2022 0 Comments Enso mini splitThey are both different sizes, so you can’t screw it up. The refrigerant lines get threaded onto the connections. Then, all that’s left is the ground wire that gets connected to the metal plate below the connections. The red and black wires are both hot wires and will connect to the L1 and L2 lines using yellow crimp on fork connectors. The wiring is already there and it can be cut to length. The power to the outdoor unit from the 30 amp disconnect is ran using a preassembled liquid tight conduit. There is a white connecter and a ground wire that are used to do so. That gets connected to the outdoor unit and provide power to the indoor unit. Within that white sleeve there is a black electrical line that runs back to the indoor unit. The outdoor unit is already in place but we needed to make sure it didn’t move around so we anchored it to the slab using Tapcons with the rubber vibration pads in-between the unit and the concrete. Since my line was mostly ran on the interior of the building I needed to insulate it to make sure the line didn’t sweat.Īfter finalizing the routing I then sealed up around the sleeve and inside of the sleeve with spray foam insulation to prevent any outside are from getting in. The drain line is also routed through this hole, however, extra care must be taken to make sure the drain line is pitched appropriately and drains freely with no traps in the line. The lines are then ran through this hole and outside to the exterior unit. The bundle come with a cylindrical sleeve that can be cut down to length and used to seal the hole off nicely. However, since we have access to the walls and have some dead space behind the unit to route the excess lines we were able to have the lines exit the building right where they need to be. In most other cases this unit would be mounted to an exterior wall and the lines would be routed through a hole in that wall and outside. Then, the mounting bracket was leveled and screwed to the plywood and studs. Next, I cut out a spot for the lines to run, attached the drain line to the unit and mounted the indoor unit in place. This piece was made slightly smaller than the footprint of the unit so that when drywall is installed it would fit right behind it. Since we have no drywall I need to attach a 1/2″ piece of plywood to the studs. Now it was time to move inside and mount the indoor unit. Then, we drilled a hole in the exterior wall, and attached weathertight conduit to a 30 amp fused disconnect box which is where we connected the end of the 10/3 wire to. Luckily, we still had access to all the interior walls so we pulled a 10 AWG, 3 conductor wire with ground from the panel, through the interior walls to the location we were going to install the outdoor unit. However, we needed to get it as low as possible due to a window above it. Another option is to attach a mounting bracket to the side of the building. Luckily there is a big unit sitting on top of the paw prints. Unfortunately, the dog walked over it not once, but twice. Once the concrete started to set up a bit, I troweled it smooth. We first removed the top soil, then framed out the pad and leveled the frame, followed by mixing the concrete, pouring into the frame and using a board to screed it flat, filling all the low spots. This took about six 80lb bags of concrete. We decided to pour our own concrete pad for the unit which was 2ft x 4ft.
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