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Help Please : Unic Pony S - Can brew Temp be changed?
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Alfonso
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Posted Tue Nov 4, 2008, 6:49am
Subject: Help Please : Unic Pony S - Can brew Temp be changed?
 

Recently bought a used Unic Pony Espresso machine and am currently in the process of ordering the ground coffee kit as it is presently set up for esse pods.

A bit scaled up at first with impaired water flow, but she descaled nicely.
This is a sweet machine.  Dual 1 liter heavy brass boilers individually electronically temp controlled. The intrashot brew temp was completely stable over 2 ounces on a blank pull. Within 1 degree C!  Though a rotary pump would have been nice, I guess there isn't space for one. And I just hate that teflon steam wand it came with.

I would like to be able to change the set brew temp and am wondering if anybody out there knows enough about this machine; how to set the temp or whether that is at all possible to reprogram.

If it can't be done, I guess I might have to put a PID on this?

Alfonso
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Alfonso
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Joined: 22 Mar 2005
Posts: 175
Location: Philippines
Expertise: I live coffee

Espresso: Cremina '67, Unic Diva Pro,...
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Posted Tue Mar 10, 2009, 4:31pm
Subject: Re: Help Please : Unic Pony S - Can brew Temp be changed?
 

Just an update on my Unic Pony, in case anybody else is in the same situation as I was in.

I did find the programming procedure for changing brew and steam boiler temps.  
It can be changed in 1 degree C  increments.  That and the big all copper 1 liter brew boiler makes for very
very consistent intra shot temps.

I've also converted this with a grounds coffee kit ( very easy conversion ) and now its my main machine. :)

Alfonso
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pete_repeat
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Joined: 17 Mar 2009
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Posted Tue Mar 17, 2009, 9:18pm
Subject: Re: Help Please : Unic Pony S - Can brew Temp be changed?
 

Hi there,
I also have recently converted my Pony to Grounds, and am interested to know if you changed the steam wand?
I saw one at Click Here (www.easypods.com) - is this what you were converting to?

Cheers,
Peter
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Alfonso
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Joined: 22 Mar 2005
Posts: 175
Location: Philippines
Expertise: I live coffee

Espresso: Cremina '67, Unic Diva Pro,...
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Posted Tue Mar 17, 2009, 9:44pm
Subject: Re: Help Please : Unic Pony S - Can brew Temp be changed?
 

I have not ordered the steam wand, but was eyeing it. I am sure it would work really well.

I got my hands on some engineering plastic and just changed the tip at the end of the teflon steam wand.  Had it machined and I drilled 3 holes in it.

I get more speed and swirl now.  The original tip had too many holes that gave out a whole lot of steam at a lower speed. Not enough to make good foam, and heated up the milk too fast.
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pete_repeat
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Posted Mon Mar 23, 2009, 1:17am
Subject: Re: Help Please : Unic Pony S - Can brew Temp be changed?
 

thanks for the heads up Alfonso. As an aside, I had tried the opposite, and 'cleaned up the holes in the plastic with a 1.5mm drill bit, and now I have too much steam....
Can you recall what diameter you used for the three holes, and what type of engineering plastic this is?
Thanks,
Peter
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Alfonso
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Joined: 22 Mar 2005
Posts: 175
Location: Philippines
Expertise: I live coffee

Espresso: Cremina '67, Unic Diva Pro,...
Grinder: Mazzer SJ, Rancilio Rocky,...
Vac Pot: Hario Technica , AeroPress
Drip: Melitta Clarity, Bodum...
Roaster: OvenToaster Drumroaster,...
Posted Mon Mar 23, 2009, 7:11am
Subject: Re: Help Please : Unic Pony S - Can brew Temp be changed?
 

I asked for teflon.  When they didn't have it, they gave me an engineering plastic with comparable temp. resistance.
Dont really know exactly what kind of plastic, but it holds up well though.

I used a 1/16 drill bit for the holes.  I reckon that would be about 1.6 mm .  3 or 4 holes with that bit should be right.
Still doesn't do microfoam as nice as the steel wands though.  The big round plastic tip doesn't pull in air as smoothly.


Alfonso
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pete_repeat
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Joined: 17 Mar 2009
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Location: NSW
Expertise: I like coffee

Posted Tue Mar 24, 2009, 1:57am
Subject: Re: Help Please : Unic Pony S - Can brew Temp be changed?
 

Thanks for the info. I was thinking of getting getting some of this: http://www.dotmar.com.au/products/ptfe/ptfe_main.htm
Apparently they can turn it up - hope they can thread it as well.
Regarding the microfoam, maybe it could be different with a  square end (instead of rounded), with the holes pushing steam out along the axis of the wand?
If the price is right from Dotmar, I may try both configurations.
Regards,
Peter
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AhZheng
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AhZheng
Joined: 29 Jan 2013
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Posted Tue Jan 29, 2013, 7:17am
Subject: Re: Help Please : Unic Pony S - Can brew Temp be changed?
 

Sorry to bring up such an old topic, but I also have just bought a Pony and converted it for ground coffee.

You mentioned that you've found the controls to adjust steam and brew boiler temps, would you be so kind as so share how?

There really seems to be no leads on the internet.

Cheers!
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Alfonso
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Joined: 22 Mar 2005
Posts: 175
Location: Philippines
Expertise: I live coffee

Espresso: Cremina '67, Unic Diva Pro,...
Grinder: Mazzer SJ, Rancilio Rocky,...
Vac Pot: Hario Technica , AeroPress
Drip: Melitta Clarity, Bodum...
Roaster: OvenToaster Drumroaster,...
Posted Thu Jan 31, 2013, 6:17am
Subject: Re: Help Please : Unic Pony S - Can brew Temp be changed?
 

Hello AhZheng,

Temps are programable.  Its just a set of key sequences on the control touchpad.

I will email you the pdf.
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brooklynshot
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brooklynshot
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Location: Brooklyn, NY
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Posted Mon Nov 10, 2014, 3:38pm
Subject: Re: Help Please : Unic Pony S - Can brew Temp be changed?
 

Thought I would add something here: the pony brew boiler and steam boiler can be programmed separately. There is also a cool down and empty program procedure. The shot volumes and steam valve on time can also be set. I've had 2 different versions of the dual boiler machine. Right now my best mod suggestions are: swap the steam wand out to a short spazziale wand using a 1/4 x 3/8 male x male fitting. I also discovered that after converting it to ground coffee (easy 10 min job) you can remove the post that hold the portafilter, and have them machined down around the concentric threaded shaft, extend the threads and reassemble so you can use faema or la Marzocco portafilters. Works great! I also added an external rotary pump and water tank.
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