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a short diary of some part of my life.

Every single part of the house I am currently renovating needs to be well-thought-out. Currently I am using electric water heater. It consumes electricity like no other. It’s probably one of the bigger consumers of power in the house. So, for my new house. I want to use less electricity wherever possible. The first priority is off course, the most power hungry one.

I chose a solar water heater from Ariston. They are very reputable in many countries. I specifically chose the tube ones over flat panels due to its superior ability to absorb more sunlight. More sunlight = more heat. It has more surface area to absorb heat than flat panel solar water heater. Coupled with white roof, it will absorb even more.

Most if not all solar water heater installation on roof in Jakarta are a bit problematic. The water pipe goes thru the roof, not on it. It creates the possibility of leaking rain water on the thru hole when it rains. I don’t want the pipe goes thru the roof and I want the install to be as neat as possible without creating or modifying existing structure. As you can see on the photo, both cold water pipe, hot water pipe and power cable are tied together, laying on the roof. This is merely temporary solution. Soon, I will separate the two pipes and the power cable. There will be separate brackets for the water pipes, so in the event of harsh wind, it will stay still and should last longer.

As you can see on the pics above and below. There are a number of ball valves (Kitz) used. They are used to bypass water tank (Penguin), pump (Hitachi), filter (Yuki) and Ariston solar water heater. During maintenance, if water usage is a must, I can easily bypass one of them. The pipes (Rucika) used are quite thick too. Please do not mind the dirtiness of the newly aquaproofed surface. It’s clean now 🙂

It’s been 4 days since the install is finished. There is no leak and the heater seems to work perfectly. It don’t plan to turn-on the heating elements unless there is no sun for days which is a very rare occurrence in Indonesia. The 73 degree celcius below was when the weather was overcast. 73 degree is well over the desired temperature which is at 60 degree celcius. The photo that shows 88 degree celcius below the 73 degree photo was when the weather is reasonably hot. 88 degree is more than hot enough for consumption. So far, I am satisfied with the performance. The control panel itself is very simple. There is little learning curve if any. The control panel is fairly compact, you can practically place it anywhere around the house as long as you can route the thick cable that connects directly to the solar water heater on the roof.

Now that hot water installation is finished. The next subject is to close every single gap under the roof. What for? To block wind from entering the house and littering the ceiling with dust.

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