Daikin Inverter AC Unit Fail - Moisture / Salts Damage to PCB

Units would have suffered severe operational problems due to the moisture and salt ingress into the electronics board

Category:

Science & Technology

Tags:

• Daikin
• Inverter
• AC
• Unit
• Fail
• Moisture
• Salts
• Damage
• to
• PCB
• fail
• rage
• epic
• owned
• against
• ownage
• scrap
• metal
• copper
• coil
• compressor
• DC
• power
• Air
• conditioning
• condensing
• unit
• steel
• plastic
• inverter
• sine
• wave
• direct
• current
• corrosion
• component
• machines
• lol

[Serostern]

How do YOU remove the aluminium flanges from the copper tubes?

[Aussie50]

@Serostern the steel end plates can be removed with a 9" grinder, the aluminum fins stay as -is. classed as a clean copper-ally radiator by the scrap man.

I don't bother taking the steel ends off now days, not worth the time for only 20c per kg extra.

[djnickandre]

aye mate fan from india here, btw i was intending on geting an inverter ac for my hall the climate here doesnt go over 38 nor is the air salty just humid at 60-70 during the summers and rains wadya suggest i take a daikin or mitsubishi heavy ind srk71zea

[Aussie50]

@djnickandre well, if you can't get a Fujitsu over there i would go with Daikin, they seem to be okay under certain conditions.

Mitsubishi Heavy Industries has a bad reputation over here, I would avoid them.

Mitsubishi Electric is a different company and make a much better product than MHI.

[TheFsJunkie]

@Aussie50 Wrong its the other way around Mhi Inverters are fantastic units & i happen do have one & the Mits Electric is not as good, Checkout the whirlpool forums they are classed one of the best & most recommended units & they are in the top seller catagories i have no complaints here on my end, Mits Elec is in the middle class range, Sorry i just had to correct you on this one....:)))

[Aussie50]

@TheFsJunkie i dunno man, lots of reports have canned MHI, I do get a few dead Mitsi Elec units but the big commercial MHI's show up at the yard all the time, hell I picked one up last night for autopsy :D

[TheBrentieman]

where can you buy such a big fan like on the front of the inverter?

[yttfan7188]

@Aussie50. Big fan of the videos. Out of the brands like panasonic,fujitsu,MHI and mitsubushi electric which one seems to be top quality from all the ones you have examined? Also which is worst?

[ChumpusRex]

Inverters and VFDs are nice technology. The problem is not with the technology, but it's simple sloppy design; these components are delicate, but the manufacturers didn't design in appropriate protection.

For external use, these electronics really need to be in hermetically sealed enclosures. Car manufacturers have managed to do it with their ECUs; industrial equipment manufacturers do it for industrial electronics/VFDs. It's purely cost-cutting not to protect them.

[TransDerwinOverdrive]

I live in the states. In residential construction, I almost never see inverter-driven units. My house (13 years old) has the old-school AC-driven compressor. No PCBs. The only thing that has failed on it in 13 years is the capacitor (last summer).

I used to work as a server admin at a steel mill. Our server room was retrofitted with a Mitsu inverter-driven unit. In the six months after installation, we had numerous failures, all due to electrical shorts on the inverter board. Just sayin'

[TheFsJunkie]

@Aussie50 Well My Mhi Split Sys Inverter is only 3 wks old i, I have no probs yet, But i have also realised in your past video's you have alot of Daikins & Fujitsu's & a few Mits Elec in the scrap, Maybe the old style non inverter MHi was pretty shit, but these new inverter one's really does top the cake there awsome, & it shits on the new Fujitsu's they are really crap & so is LG (Low Grade). Can u do An autopsy video on the unit u picked up last nite, Your video's are gr8 keep up the good wk.

[colt4547]

You are exactly right. because of short life they are more of a drag on the environment. More resources used that may not end up getting properly recycled. The energy savings I'm sure partially justifies the use and design of the machine. But really we are just giving our money to a manufacturer that irresponsibly produces machines that don't last. That increases the volume of machines in the recycling loop. That increases costs for the consumer. That drives up prices on the original equipment.