I just picked up the exact same one this morning for a job I had to do for one of my doctors. I had to replace some components on an x-ray machine. It worked very well and I’m happy with it.
I would like to have seen an attempt to remove excess solder from a through-hole connection, or tube socket. I'm sure the lack of a front panel switch was due to a cost saving decision, but the lack of cooling vents at the front-bottom of the case, and the poor placement of cooling vents around the fan make me wonder about their basic design. Thanks for the review and the "code".
Bought that thing for tube socket desoldering in particular. Works _very_ nice for that, actually. I recommended this to @defpom, I think - February this year.
@@Vladimir-hq1ne yes yourself and others mentioned it, I could only remember the most recent mention, I supposed having its name come up more than once put it in my mind to actually look at it.
Thanks for the discount code - I checked on Aliexpress for cheaper, and only came up with one about $2.00 cheaper - so I have just bought one - wanted one for years, but couldn't find the required reason ;}
I have the same one, and i tried to desolder some logic 74 ic's from a 1983 board, i found it easy to do, by using temp at 360c, but before desoldering i will flux the pins on the solderside, and then apply fresh solder there, and then desolder after that, it works smoot for me using that method.
Had mine for quite a while now and yes the first thing I did was the switch on the front. Annoyed the hell out of me on the back! It works really well but does need to be cleaned out regularly to continue doing so. Not hard to do though. I may look at the fan and air flow mods as well but to be honest mine is not really that loud. All up a good unit.
Scratches on the side would be from the mains plug when it was dropped in transit. I would mount a 90mm fan on the outside of the case with a wire grill and cut a full sized hole for good air flow. Also can you comment on removing and cleaning the solder collection tube. Cheers Dave.
Yes I came to the same conclusion about the scratches, I replaced that fan with one I had in my fans bin, not a lot quieter, only a little bit, apart from that I have been happy with it so far.
You get like, good review, I used similar when working as employed, but for personal use I'm perfactly happy using my Soldering iron, hot airgun station with simple mechanical solder suksjion unit for 1 buck or 2, good to see there are resonable units out there still for them who wants them, if you desolder alot, definitivly worth it, a few components here and there a mechanical suction tool is what I recommend. If the tool costs less than you earn from using it, buy it. A tools worth is what it can make for your own needs and make profit. Seems to me this with pros and cons can be economic even if not high end. Best Regerds from Sweden
Just stuff this spring inside the handle with cheap steel sponge for pot cleaning - that actually saves a lot of filter cleaning and disassembly to get rid of those caps/tube socket solder excess.
@@TheDefpom And the steel mesh/wool.. will probably be easier to push back in to the holder! I struggle getting all that spring goodness in there without pinching my ghetto cottonwool pad filter. I almost considered gluing a small bit of plastic inside to hold that plate, and drill extra holes to allow the air to pass again..
Nice video at all. I want to bought pistol grip desoldering iron , white ones...i not name and model now, with diaphragm pums on handle, HONESTLY I WILL MADE VERY BIG MISTAKE IF I BOUGHT...from technician perspective and money perspective, the become very expensive now, better solution is this in all aspects, probably producer of that pumps will read this, maybe correct price, but now I WILL BOUGHT THIS ONE.
It seems that the beeping is loud to cut through the loud fan noise, and the pump is loud to cover up the beeping ! This unit would be a no-go for me.... I'd have to tame down the volume on the beeper if possible as well as installing a quieter fan.
@@goodun2974 beeping isn’t an issue in reality, I almost never change the temp on it, just pick up the handle and use it. I actually like mine, I did this review quite a while ago and I’m still using it. I did a 2nd video modifying it to reduce the fan noise, and put the power switch on the front, which is where it should be on EVERY product.
I just bought a hakko fr-301, I was not taking chances working on some expensive equipment. Though the price on this from another source maybe worth buying for the kids to play with.
Thanks for the review, have just bought this model on eBay as a replacement for another well worn unit. I have noticed your PCB looks to be self etched, assuming commercially printed PCB's (especially double sided) would be more tolerable to this tool in terms of tracks lifting? Keen for your input..
Desoldering a chip from a double sided board with plated through holes would have been a better test, single sided isn't that hard with just wick or a plunger sucker.
I wanted to demonstrate using it on a delicate board that the other desoldering tool damaged, I have used it on double sided boards as well now and it works fine, I just had to bump the temperature up to 270 degrees C.
it is noisy I am afraid but to be honest it works well, on mine the tube is glass is yours? and for the length of time it is used for the noise is acceptable:-) I just checked mine the fan is not that noisy it is just a hum??
I’ve been trying for months to get anyone to send me stuff to review, so I am able to open my channel..?? Love all your guy’s and gal’s reviews, but it’s only European or American based, I’m trying to start in good old Australia…. Trying to start my new channel.. just don’t seem to get the break I require.. 😂😂😂
I am in New Zealand. You probably won’t get review items unless you already have an audience to show them to, I got my first review items when I was at approx 1000 subscribers if I remember rightly, so you will need to build an audience first. Just review the things you already own to get things started.
Thanks for reviewing this. I actually got to this video via your video of today, 30Jun2022 where you had a link to this. It's a very interesting device and the circuit design seems to be rather good. I agree with that fan thing. That's either an after thought or an oversight. Either way, it's just wrong. LOL If I go ahead and order one of these, that fan is the 1st thing to go and if there's room inside, I'll install a larger fan that is quiet. I'll probably not connect to to the PCB where this fan is connected. That churning down when the motor runs is so annoying. I'll probably just feed it from the main power supply, going through a buck converter to keep it at a constant speed. I don't need the auto on/off or auto speed control depending on heat. As you've had this for a while, may I ask, where do you get the tips from and are the tips a more "standard" tip that other units use? Perhaps they are very common and can be found anywhere? I only deal with Amazon, myself. I don't do the banggood or ali express places.
@@TheDefpom Thank you very much! I'll search for those. *[UPDATE]* Hmmm... I can't seem to get any hits for JBC 245. I do get hits for JBC C245 but those seem to be soldering tips rather than for vacuum tips. Any chance you could pop a link to where you've found those? I'd really appreciate it. Thanks
@@BlondieSL sorry, I got mixed up due to multiple comments, I was thinking of my soldering iron. As far as this goes I haven’t tried to find any other tips for it yet.
Good review. Is the earth pin connected to the earth wire of the cable? I've seen a big Clive vid where it wasn't connected and the earth wire was just cut short.
Strange. The fan in my 220V unit goes on after about 5 to 10 min of continious desoldering... And that's a lot quieter. Maybe they've slapped on some different fan there?
I dont like original tips, they have large gaps between tip and heater (cone and 90 degrees angle are mated). And for desoldering from large polygons I made my own. In general, the factory did strange thing that it did not do a seal at the edge of heater. The solder trap implemented strangely, it blocs the suction hole, therebly creating resistance to flow.
Thanks for that info. I'm very interesting in this particular unit, mostly because the vacuum motor is inside of the box instead of in the hand unit. Every other one I've seen, has the motor in the hand unit, making it heavy. Also, any chance you could expand on how you made your tips? Do these screw in or are they just pressure fit? If threaded, what side of die would be used? With these kinds of devices (or even soldering irons) I'm always concerned on how difficult it is to get new tips. Thanks in advance.
@@BlondieSL, it is not difficult to order original tips by searching for "ss-331h nozzle" on aliexpress. But I made the new ones in the likeness of the original ones, only I machined everything according to the shape of the heater, in the original ones the shape is very different, the clamping goes with an external tube with a nut and one tapered end.
@@TheDefpom I bought one from banggood and tested it on a ups board where the large caps are and it seems to struggle with melting the tin there. Works fine on other areas of the board. So does mine have a defect or do you know a trick?
@@rgry Yours most likely doesn't have a defect- UPS caps are always hooked up to some HUGE planes that make them nearly impossible to remove. Who knows what wattage soldering iron you'd need to desolder those easily! What I'd recommend is using your desoldering gun on it but also holding a regular soldering iron on it at the same time to give it some extra heat.
It doesn't hold up. I've got about 10-20 hours run time on mine and the gun starts to leak vacuum at the seal between the barrel of the gun and the entry into the glass tube. You can blow thru the tip while blocking the vacuum pickup hose and hear the air leaking past the gun's seal. It appears that heat from the tip expands the seal over time to the point that it leaks and no vacuum is created at the nozzle. It'll melt solder but not suck. The pump in the base unit seems to be holding up just fine. I rebuild vintage stereo receivers as a hobby and that involves lots of desoldering. For occasional use it's probably OK given the price. I've ordered a new seal from ali express. If it solves the issue I'll order several more to have on hand. Hope this helps.
Just an update that it wasn't the seal. It was a brass bushing on the suction pipe in the heater element that came loose and wouldn't make air tight contact with the seal. I repaired it and it works fine. Removing and inserting the glass tube is kind of a PIA and maybe pushed the brass bushing too far forward. I ordered a spare gun for $30 from ali express to have on hand. This unit really isn't too bad. At least you can buy inexpensive replacement parts. (unlike Hakko.) I view the gun as a consumable and plan to always have a spare on hand. The base unit has been problem free. I really prefer this style with the separate base station. The gun is slim/lightweight and can get into tight spots. (unlike the Hakko).
It sits at 200 in standby mode, there might be a problem with the hand piece or plug connection where it isn’t seeing the activity switch in the hand piece.
@@TheDefpom 200c is standby mode? The display on the machine says it is going up to 350 when it is really not. If I leave it unused for a while it reports temperature is going down but is not true temperature on the tip never changes, where is the display reading the temperature from?
@@guayabito6946, The heating element has a thermocouple built into it that changes resistance according to temperature and it's supposed to tell the microprocessor in the unit what the temperature of the tip is. A bad connection at plug or connector could cause this problem, or it could be a defective heating element where the thermcouple is bad or has a broken connection either at the connector or inside the gun, or it could be a defect in the circuit board that senses the temperature. If you had a spare, identical gun you could just plug it into the machine and see if the replacement gun works but that might cost you a few bucks or may be otherwise impractical. The owner's manual included with the machine here shows some troubleshooting info so perhaps you should refer to that.
lol i was thinking much the same for mods :-D That fan should of had a large hole in the case and a metal grill on the outside with four screws going through the grill+case+fan. Plus put the fan a bit higher. I saw lots of heatshrink over joints so they are safe. A block of metal bolted under the iron stand would make it more stable. The designer wants shooting for the case cooling, creating a near vaccume in a box won't do much for it. Sorry im moaning again lol.
that looks like a 80mill fan get a 120 mill fan it will be quieter and also dremel out the circumference of a 120 fan those holes are way to small and pretty much useless.
I drilled the holes out to be about twice as large, it has a nice breeze out the back now! There will be a video on the modifications in a few weeks time.
@@TheDefpom I ended up fitting a grille from a PC part somewhere, and made the entire hole round. I mounted an ultra slim 80mm fan, and it's running off regulated 12v. Other mods I did are changing the PSU voltage to 24v, running the pump off a beefy relay and the handle switch as a trigger to a 2n7000 mosfet, and switching the LED's on the front with the heater. Thirdly, I installed a small BJT on to the line for the heater that would pull the line low under the forward voltage of the optocoupler in the PSU whenever the vacuum pump runs. I had issues with the raised voltage where using the pump would reboot the station. This was solved when the heater was not running during pumping. It only causes a very tiny rebound reheating.
I just picked up the exact same one this morning for a job I had to do for one of my doctors. I had to replace some components on an x-ray machine. It worked very well and I’m happy with it.
I would like to have seen an attempt to remove excess solder from a through-hole connection, or tube socket.
I'm sure the lack of a front panel switch was due to a cost saving decision, but the lack of cooling vents at the front-bottom of the case, and the poor placement of cooling vents around the fan make me wonder about their basic design.
Thanks for the review and the "code".
Bought that thing for tube socket desoldering in particular. Works _very_ nice for that, actually. I recommended this to @defpom, I think - February this year.
@@Vladimir-hq1ne Good to know.
Thanks very much.
@@Vladimir-hq1ne yes yourself and others mentioned it, I could only remember the most recent mention, I supposed having its name come up more than once put it in my mind to actually look at it.
Thanks for the discount code - I checked on Aliexpress for cheaper, and only came up with one about $2.00 cheaper - so I have just bought one - wanted one for years, but couldn't find the required reason ;}
I bought one of these after watching your review. Mine has a quiet fan. Maybe they watched your review.
I use an anesty zd915. Essentially the same thing in a metal box! Oh and a switch on the front.
I have the same one, and i tried to desolder some logic 74 ic's from a 1983 board, i found it easy to do, by using temp at 360c, but before desoldering i will flux the pins on the solderside, and then apply fresh solder there, and then desolder after that, it works smoot for me using that method.
well then you could just use a cheap desoldering pump
@@TheMechatronicEngineer That’s what this is.
Had mine for quite a while now and yes the first thing I did was the switch on the front. Annoyed the hell out of me on the back! It works really well but does need to be cleaned out regularly to continue doing so. Not hard to do though. I may look at the fan and air flow mods as well but to be honest mine is not really that loud. All up a good unit.
The noise is only a concern for me because of the need to record video.
Scratches on the side would be from the mains plug when it was dropped in transit. I would mount a 90mm fan on the outside of the case with a wire grill and cut a full sized hole for good air flow. Also can you comment on removing and cleaning the solder collection tube. Cheers Dave.
Yes I came to the same conclusion about the scratches, I replaced that fan with one I had in my fans bin, not a lot quieter, only a little bit, apart from that I have been happy with it so far.
You get like, good review, I used similar when working as employed, but for personal use I'm perfactly happy using my Soldering iron, hot airgun station with simple mechanical solder suksjion unit for 1 buck or 2, good to see there are resonable units out there still for them who wants them, if you desolder alot, definitivly worth it, a few components here and there a mechanical suction tool is what I recommend. If the tool costs less than you earn from using it, buy it. A tools worth is what it can make for your own needs and make profit. Seems to me this with pros and cons can be economic even if not high end.
Best Regerds from Sweden
Just stuff this spring inside the handle with cheap steel sponge for pot cleaning - that actually saves a lot of filter cleaning and disassembly to get rid of those caps/tube socket solder excess.
I put mesh in my S993 for that reason, I will be doing the same with this, it makes the filters last a lot longer.
@@TheDefpom And the steel mesh/wool.. will probably be easier to push back in to the holder! I struggle getting all that spring goodness in there without pinching my ghetto cottonwool pad filter. I almost considered gluing a small bit of plastic inside to hold that plate, and drill extra holes to allow the air to pass again..
where do you find its filter?
Nice video at all. I want to bought pistol grip desoldering iron , white ones...i not name and model now, with diaphragm pums on handle, HONESTLY I WILL MADE VERY BIG MISTAKE IF I BOUGHT...from technician perspective and money perspective, the become very expensive now, better solution is this in all aspects, probably producer of that pumps will read this, maybe correct price, but now I WILL BOUGHT THIS ONE.
this looks better then the all in on desolder stations plus much bigger pump, Live stream the mod pls
It seems that the beeping is loud to cut through the loud fan noise, and the pump is loud to cover up the beeping ! This unit would be a no-go for me.... I'd have to tame down the volume on the beeper if possible as well as installing a quieter fan.
@@goodun2974 beeping isn’t an issue in reality, I almost never change the temp on it, just pick up the handle and use it. I actually like mine, I did this review quite a while ago and I’m still using it. I did a 2nd video modifying it to reduce the fan noise, and put the power switch on the front, which is where it should be on EVERY product.
so many brands, same model ... works quite well, some nozzle clots from time to time . I've modified mine , moved the power switch to the front panel.
Yeah I really don’t understand why they put the switch on the back, worst place for it!
Great review, thanks for sharing! Interesting unit - love to see the mods as well. Thanks!
I will publish the mods video in a few weeks I expect.
hello i bought today i wanted to ask how does automatic sleep work, thank you
Heaps of Hakko desolderers on eBay, made for the Japanese market at around AUD350. Might buy one of these and a voltage converter.
I need one of these as I make that many mistakes which costs me projects 😂
Hello,please tell me what power use heating element (voltage)thanks
I just bought a hakko fr-301, I was not taking chances working on some expensive equipment. Though the price on this from another source maybe worth buying for the kids to play with.
So you'd give your kids something to play with that gets hot enough to melt solder?
Thanks for the review, have just bought this model on eBay as a replacement for another well worn unit. I have noticed your PCB looks to be self etched, assuming commercially printed PCB's (especially double sided) would be more tolerable to this tool in terms of tracks lifting? Keen for your input..
Can you connect a soldering iron, and if yes, which one is suitable?
The 915 clones work but you can do mods to improve the pump.
This unit is my best one right now, followed by the S993 which I’ve had for a few years now.
Desoldering a chip from a double sided board with plated through holes would have been a better test, single sided isn't that hard with just wick or a plunger sucker.
I wanted to demonstrate using it on a delicate board that the other desoldering tool damaged, I have used it on double sided boards as well now and it works fine, I just had to bump the temperature up to 270 degrees C.
@@TheDefpom I agree with him. Next time you should show a harder test like desoldering capacitors on pc motherboards for example. Greetings.
@@DJMotavirust - you will get to see me using it in future repair videos on tougher jobs.
That AC plug is a CN plug, not an AU plug.
Are you still using this? How has it held up?
Yes, it has been absolutely fine, look for the followup video I did where I modify it slightly to put a power switch on the front etc.
it is noisy I am afraid but to be honest it works well, on mine the tube is glass is yours? and for the length of time it is used for the noise is acceptable:-) I just checked mine the fan is not that noisy it is just a hum??
Yes mine is a glass tube too.
I’ve been trying for months to get anyone to send me stuff to review, so I am able to open my channel..?? Love all your guy’s and gal’s reviews, but it’s only European or American based, I’m trying to start in good old Australia…. Trying to start my new channel.. just don’t seem to get the break I require.. 😂😂😂
I am in New Zealand. You probably won’t get review items unless you already have an audience to show them to, I got my first review items when I was at approx 1000 subscribers if I remember rightly, so you will need to build an audience first. Just review the things you already own to get things started.
My 400 euro JBC soldering station is made from plastic and has the switch on the back
Thanks for reviewing this. I actually got to this video via your video of today, 30Jun2022 where you had a link to this.
It's a very interesting device and the circuit design seems to be rather good.
I agree with that fan thing. That's either an after thought or an oversight. Either way, it's just wrong. LOL
If I go ahead and order one of these, that fan is the 1st thing to go and if there's room inside, I'll install a larger fan that is quiet.
I'll probably not connect to to the PCB where this fan is connected. That churning down when the motor runs is so annoying.
I'll probably just feed it from the main power supply, going through a buck converter to keep it at a constant speed.
I don't need the auto on/off or auto speed control depending on heat.
As you've had this for a while, may I ask, where do you get the tips from and are the tips a more "standard" tip that other units use?
Perhaps they are very common and can be found anywhere?
I only deal with Amazon, myself. I don't do the banggood or ali express places.
It’s a JBC clone, you can use JBC 245 tips
@@TheDefpom
Thank you very much!
I'll search for those.
*[UPDATE]*
Hmmm... I can't seem to get any hits for JBC 245.
I do get hits for
JBC C245
but those seem to be soldering tips rather than for vacuum tips.
Any chance you could pop a link to where you've found those?
I'd really appreciate it.
Thanks
@@BlondieSL sorry, I got mixed up due to multiple comments, I was thinking of my soldering iron. As far as this goes I haven’t tried to find any other tips for it yet.
Good review. Is the earth pin connected to the earth wire of the cable? I've seen a big Clive vid where it wasn't connected and the earth wire was just cut short.
It was fine.
Strange. The fan in my 220V unit goes on after about 5 to 10 min of continious desoldering... And that's a lot quieter. Maybe they've slapped on some different fan there?
Now that is interesting…
@@TheDefpom My 220v unit is just like yours! Interesting indeed
Nice work
We didn't see it working bro
I dont like original tips, they have large gaps between tip and heater (cone and 90 degrees angle are mated). And for desoldering from large polygons I made my own. In general, the factory did strange thing that it did not do a seal at the edge of heater. The solder trap implemented strangely, it blocs the suction hole, therebly creating resistance to flow.
Thanks for that info.
I'm very interesting in this particular unit, mostly because the vacuum motor is inside of the box instead of in the hand unit.
Every other one I've seen, has the motor in the hand unit, making it heavy.
Also, any chance you could expand on how you made your tips?
Do these screw in or are they just pressure fit? If threaded, what side of die would be used?
With these kinds of devices (or even soldering irons) I'm always concerned on how difficult it is to get new tips.
Thanks in advance.
@@BlondieSL, it is not difficult to order original tips by searching for "ss-331h nozzle" on aliexpress. But I made the new ones in the likeness of the original ones, only I machined everything according to the shape of the heater, in the original ones the shape is very different, the clamping goes with an external tube with a nut and one tapered end.
For its major fault-"noisy" fan,everythink else seems ok..Great vid and i think i've found my ChrissyPresent😁
As I have many Tubes too desolder.
So far it has been pretty good, the mods are just me being fussy really!
i have one and it works great
I have been happy with it so far.
@@TheDefpom 7 months onwards, still OK?
@@theoloutlaw yep
@@TheDefpom Great, Ok, about to pick one up :)
Thanks! used your bangood link for whatever it's worth lol :)
Can this device also desolder a big pad - extra heat is needed?
It seems to manage it ok yes.
@@TheDefpom I bought one from banggood and tested it on a ups board where the large caps are and it seems to struggle with melting the tin there. Works fine on other areas of the board. So does mine have a defect or do you know a trick?
@@rgry Yours most likely doesn't have a defect- UPS caps are always hooked up to some HUGE planes that make them nearly impossible to remove. Who knows what wattage soldering iron you'd need to desolder those easily! What I'd recommend is using your desoldering gun on it but also holding a regular soldering iron on it at the same time to give it some extra heat.
Is it good or crap?
Watch the review video that I spent hours making to find out.
It doesn't hold up. I've got about 10-20 hours run time on mine and the gun starts to leak vacuum at the seal between the barrel of the gun and the entry into the glass tube. You can blow thru the tip while blocking the vacuum pickup hose and hear the air leaking past the gun's seal. It appears that heat from the tip expands the seal over time to the point that it leaks and no vacuum is created at the nozzle. It'll melt solder but not suck. The pump in the base unit seems to be holding up just fine. I rebuild vintage stereo receivers as a hobby and that involves lots of desoldering. For occasional use it's probably OK given the price. I've ordered a new seal from ali express. If it solves the issue I'll order several more to have on hand. Hope this helps.
So far, the one I've found that seems to hold the sway is the Quick 201b
@@TheDefpom So far, the one I've found that seems to hold the sway is the Quick 201b
Just an update that it wasn't the seal. It was a brass bushing on the suction pipe in the heater element that came loose and wouldn't make air tight contact with the seal. I repaired it and it works fine. Removing and inserting the glass tube is kind of a PIA and maybe pushed the brass bushing too far forward. I ordered a spare gun for $30 from ali express to have on hand. This unit really isn't too bad. At least you can buy inexpensive replacement parts. (unlike Hakko.) I view the gun as a consumable and plan to always have a spare on hand. The base unit has been problem free. I really prefer this style with the separate base station. The gun is slim/lightweight and can get into tight spots. (unlike the Hakko).
Mine does not get up to temperature, it only goes to 202c. *HORRIBLE* I really regret having bought this thing.
It sits at 200 in standby mode, there might be a problem with the hand piece or plug connection where it isn’t seeing the activity switch in the hand piece.
@@TheDefpom 200c is standby mode? The display on the machine says it is going up to 350 when it is really not. If I leave it unused for a while it reports temperature is going down but is not true temperature on the tip never changes, where is the display reading the temperature from?
check the ceramic heater and its cable connection first @@guayabito6946
@@guayabito6946, The heating element has a thermocouple built into it that changes resistance according to temperature and it's supposed to tell the microprocessor in the unit what the temperature of the tip is. A bad connection at plug or connector could cause this problem, or it could be a defective heating element where the thermcouple is bad or has a broken connection either at the connector or inside the gun, or it could be a defect in the circuit board that senses the temperature. If you had a spare, identical gun you could just plug it into the machine and see if the replacement gun works but that might cost you a few bucks or may be otherwise impractical. The owner's manual included with the machine here shows some troubleshooting info so perhaps you should refer to that.
lol i was thinking much the same for mods :-D
That fan should of had a large hole in the case and a metal grill on the outside with four screws going through the grill+case+fan. Plus put the fan a bit higher.
I saw lots of heatshrink over joints so they are safe.
A block of metal bolted under the iron stand would make it more stable.
The designer wants shooting for the case cooling, creating a near vaccume in a box won't do much for it.
Sorry im moaning again lol.
I’ve addressed all of my concerns, it is now modified to improve it a bit, the only fan I had is still a bit noisy, but it is a bit better.
Its clogging
that looks like a 80mill fan get a 120 mill fan it will be quieter and also dremel out the circumference of a 120 fan those holes are way to small and pretty much useless.
I drilled the holes out to be about twice as large, it has a nice breeze out the back now! There will be a video on the modifications in a few weeks time.
@@TheDefpom I ended up fitting a grille from a PC part somewhere, and made the entire hole round. I mounted an ultra slim 80mm fan, and it's running off regulated 12v.
Other mods I did are changing the PSU voltage to 24v, running the pump off a beefy relay and the handle switch as a trigger to a 2n7000 mosfet, and switching the LED's on the front with the heater.
Thirdly, I installed a small BJT on to the line for the heater that would pull the line low under the forward voltage of the optocoupler in the PSU whenever the vacuum pump runs. I had issues with the raised voltage where using the pump would reboot the station. This was solved when the heater was not running during pumping. It only causes a very tiny rebound reheating.
18만원 ? 아직은 비싸군.