Re: My new boiler build

Boiler, burner and boiler modification talk.

Re: My new boiler build

Postby db73 » Sat Mar 22, 2014 6:09 pm

Try again (How do you edit posts?)

Well it's been a little time coming.

Smbjk was kind enough to sell me his spare keg and today my build begins.

Now i know this will seem a massive overkill but purchased one these elements Image

It's a whopper i know but my brother is a clever sparky and we will rig this thing up through a control box Was thinking of using a PID but for now will keep it simple.

Image

Image

Image

More to come soon
Last edited by Sam. on Sat Mar 22, 2014 7:28 pm, edited 1 time in total.
Reason: Deleted double post with failed images
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Re: My new boiler build

Postby Yummyrum » Sat Mar 22, 2014 6:16 pm

Too nice :handgestures-thumbupleft:

what power is that element ?
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My new boiler build

Postby Dusty_ben » Sat Mar 22, 2014 7:26 pm

Shiny. Did u polish it? Mine looks horrid compared to that bling
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Re: My new boiler build

Postby db73 » Sat Mar 22, 2014 7:29 pm

Yummyrum wrote:Too nice :handgestures-thumbupleft:

what power is that element ?


5500W

I may never need to run it at full power but good to have there
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Re: My new boiler build

Postby db73 » Sat Mar 22, 2014 7:33 pm

Dusty_ben wrote:Shiny. Did u polish it? Mine looks horrid compared to that bling


so far all i have used is this

http://www.bunnings.com.au/josco-127mm-fine-brumby-threaded-centre-quick-change-flap-disc_p6320541

Just wanted to clean up the scratches etc
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Re: My new boiler build

Postby Smbjk » Sat Mar 22, 2014 9:35 pm

Bloody nice mate :handgestures-thumbupleft: that can't be the keg you got from me :laughing-rolling: going to get one of those flap disks myself :D looking good so far that element is huge :handgestures-thumbupleft:
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Building fund is depleted

Re: My new boiler build

Postby kelbygreen » Sat Mar 22, 2014 9:36 pm

5500W? you have three phase to plug that into or a 30amp circuit dedicated just for that 8-}
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Re: My new boiler build

Postby db73 » Sun Mar 23, 2014 8:51 am

kelbygreen wrote:5500W? you have three phase to plug that into or a 30amp circuit dedicated just for that 8-}


Oh yeah it will running of its own circuit
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Re: My new boiler build

Postby db73 » Sun Mar 23, 2014 8:54 am

Smbjk wrote:Bloody nice mate :handgestures-thumbupleft: that can't be the keg you got from me :laughing-rolling: going to get one of those flap disks myself :D looking good so far that element is huge :handgestures-thumbupleft:


Thanks man!

I find with these discs even though they are fine they are still a little abrasive. The more you use it though the more it starts to polish the stainless.
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Re: My new boiler build

Postby APR » Tue May 20, 2014 9:11 am

db73 wrote:5500W

I may never need to run it at full power but good to have there


Getting the boiler up to temp you will use it. I certainly would if I had it. I am not sure my wiring can go higher than a 15 amp wall plate, and I only have a single phase which limits what my options are.
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Re: My new boiler build

Postby db73 » Tue May 20, 2014 9:20 am

APR wrote:
db73 wrote:5500W

I may never need to run it at full power but good to have there


Getting the boiler up to temp you will use it. I certainly would if I had it. I am not sure my wiring can go higher than a 15 amp wall plate, and I only have a single phase which limits what my options are.


Usual caveats apply here but did a test run with my boiler plugged into the standard wall plate.

With the voltage regulator I first ran it at about 50%. After an hour and a half 25 litres was only getting very hot. Cranked it to about 70% and stated to boil vigorously in a few minutes. Fuse did not trip and no wiring got hot.

I need to put an ammeter and voltage meter in my box so i can do my calculations.

Yes this is a big no no but I have two power circuits in the fuse box (like most homes) on 16A circuits. Theoretically i can run at 16A all day and not pop the fuse (providing nothing else is running off the same circuit at the same time)

Mods please delete anything inappropriate here.
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Re: My new boiler build

Postby TheMechwarrior » Tue May 20, 2014 9:40 am

When you say you have 16A circuits....are you saying your circuit breakers in your fuse box are 16A?

That's very different to assuming you can run 15A GPOs.

You need to refer these types of questions to a qualified electrician.

If you refer to AS/NZS3018 you'll see that typical lighting uses 1-1.5mm wiring and is protected via a 10A/16A circuit breaker, while typical power to your GPOs is 2.5mm and is protected by a 16A circuit breaker.

A 15A rated GPO will be protected by a 20A circuit breaker.

I'm no sparky but I know where my expertise ends and where I need to call in the experts.
When it comes to electricity do not assume anything and get in the experts.

Cheers,

Mech.
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Re: My new boiler build

Postby pulsetech » Tue May 20, 2014 10:23 am

4mm cable for best for 15amp circuits. Jusy finished running my new circuit in 6mm because I had it already. Its good for 32A
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Re: My new boiler build

Postby MacStill » Tue May 20, 2014 10:26 am

pulsetech wrote:4mm cable for best for 15amp circuits. Jusy finished running my new circuit in 6mm because I had it already. Its good for 32A


I thought the length of the cable would determine that :think:
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Re: My new boiler build

Postby punchy21 » Tue May 20, 2014 10:45 am

db73 wrote:
APR wrote:
db73 wrote:5500W

I may never need to run it at full power but good to have there


Getting the boiler up to temp you will use it. I certainly would if I had it. I am not sure my wiring can go higher than a 15 amp wall plate, and I only have a single phase which limits what my options are.


Usual caveats apply here but did a test run with my boiler plugged into the standard wall plate.

With the voltage regulator I first ran it at about 50%. After an hour and a half 25 litres was only getting very hot. Cranked it to about 70% and stated to boil vigorously in a few minutes. Fuse did not trip and no wiring got hot.

I need to put an ammeter and voltage meter in my box so i can do my calculations.

Yes this is a big no no but I have two power circuits in the fuse box (like most homes) on 16A circuits. Theoretically i can run at 16A all day and not pop the fuse (providing nothing else is running off the same circuit at the same time)

Mods please delete anything inappropriate here.


There is a serious chance of overloading that circuit if your using a standard 10A rated outlet :scared-eek:
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Re: My new boiler build

Postby TheMechwarrior » Tue May 20, 2014 10:56 am

MacStill wrote:
pulsetech wrote:4mm cable for best for 15amp circuits. Jusy finished running my new circuit in 6mm because I had it already. Its good for 32A


I thought the length of the cable would determine that :think:


Mac is correct, run length determines cable size but I think all us non-electricians have said enough.
Many of us here have many decades in engineering, chemical, process, building and other professions, trades and hobbies and one thing I think we can all agree on is when it comes to electricity you should be dealing with a qualified electrician.

Forget about the fact you may electrocute yourself, there's the very real risk that if you don't know what you are doing you could hurt somebody else, you could cause a fire...bringing unwanted attention to your illegal hobby and nullifying your home and contents insurance in the process!

Food for thought.
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Re: My new boiler build

Postby db73 » Tue May 20, 2014 12:57 pm

Agree 100% with you all

Electricity will indiscriminately kill any fool

All my work and advise given to me was from a qualified electrician

I really need my volt and ammeter so i can calculate how far to safely push this thing

A dedicated 32A circuit is the key here but i live in a rental and for now will never run my boiler at 100% load

Please. I can not reiterate safety concerns here any more than others have raised.
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Re: My new boiler build

Postby MacStill » Tue May 20, 2014 1:12 pm

:think:

Why not use elements rated to suit the outlets at your premises ?
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Re: My new boiler build

Postby db73 » Tue May 20, 2014 1:42 pm

MacStill wrote::think:

Why not use elements rated to suit the outlets at your premises ?


Now that would have been the sensible thing to do :geek:

Initially I was planning on building an electric brewery as seen here

After spending months obsessing on that site I found this one

Then spent all my waking hours thinking about building a still
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Re: My new boiler build

Postby TheMechwarrior » Tue May 20, 2014 2:22 pm

Now that's a sweet looking control panel :-B
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