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We want to descale our CENTAC model C90MX3 compressor's intercoolers using SULFAMIC acid. What should be the concentration and the right procedure to descaling?

We need to descale the intercoolers using SULFAMIC acid. What should be the concentration and the correct procedure

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Whats wrong with using plain ole citric acid I use lemon juice for my source works great cleaning up the aluminum and stuff , dont forget to wash off /out what ever you end up using cus if it cleans it up then its corrosive and if you dont get it all off it keeps eating it
Note : contain all run off and dont allow to enter any drains as it contains oil not an enviromenty friendly thing to get out

Posted on Sep 27, 2014

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Need a descaler


instractions are from manual HD7810/00

Use the correct descaling agent
Only citric acid-based descalers are suitable for descaling the SENSEO
machine. This
type of descaler descales the machine without damaging it. For the correct amount,
see under 'Descaling procedure' below. Each descaling mixture can be used only once.
After use, the descaling mixture is no longer active.
We advise you to use the special SENSEO
Descaler (HD7012/HD7011/HD7006).
Read the instructions on the package of the descaling agent.
Never use a descaling agent based on mineral acids such as sulphuric acid,
hydrochloric acid, sulphamic acid and acetic acid (e.g. vinegar). These descaling
agents may damage your SENSEO

coffee machine.
Descaling procedure
1 Mix 50 grams of citric acid with 1 litre of water in a measuring jug. Stir until
the powder is completely dissolved.
2 Fill the water reservoir up to the MAX indication with the descaler mixture.
Then put the water reservoir back into the coffee machine. (Fig. 3)
Note: Not all SENSEO
machine types have a water reservoir with a capacity of
1 litre. If you have a SENSEO

machine with a smaller water reservoir, repeat steps
2 to 6 with the remainder of the mixture without filling the water reservoir up to
the MAX indication.
3 Press on/off button 3. (Fig. 10)
The machine is ready for use when the indicator light lights up continuously.
4 Place the 1-cup holder h with a used coffee pod in it in the coffee machine.
Close the lid and make sure it is properly locked.
Note: Always put a used coffee pod in the pod holder when you descale the
machine. This pod serves as a 'filter' to prevent the sieve or hole in the pod holder
from getting clogged with scale residue.
5 Put a bowl with a capacity of at least 1500ml under the spout to collect the
descaling mixture (Fig. 8).
6 Press the 2-cup button hhand let the machine operate. Repeat this until
the water reservoir is empty. (Fig. 25)
Never interrupt the descaling process!
7 Repeat steps 1 to 6. Replace the used pod with another used pod to filter out
the scale residue.
Note: To descale properly, you have to use 2 litres of descaling mixture.
Never descale the SENSEO
coffee machine with the lid open. Make sure the lid is
properly locked.
8 Rinse the water reservoir with tap water. Fill the water reservoir up to the
MAX indication with tap water and repeat steps 3 to 6.
Note: Do not refill the water reservoir with used hot water or the used descaling
mixture.
9 Fill the water reservoir with fresh tap water up to the MAX indication again
and repeat steps 3 to 6 once more.
Note: Always rinse the machine by letting it empty two full water reservoirs.
10 Remove the used pad and clean the pod holder after descaling to prevent the
sieve or hole in the centre from getting clogged.

Mar 30, 2014 | Philips Senseo HD-7810 Coffee Maker

1 Answer

Is vinegar OK to descale a gaggia classic?


If you use citric acid on the Classics aluminum boiler you are risking
serious corrosion. To descale an aluminum boiler you need tartaric acid
based descaler.

  • but it is safe to use CleanCaf as a Descaler--Dissolve in water reservoir, run pump.

  • also it is safe to BAckflush the machine with Cafiza/Joe Glo/PulyCaff. NO detergent gets in the boiler. it is impossible.
  • dont use vinegar.
This will help. Thanks please keep updated.please please do rate the solution positively .thank you for using fixya

Mar 20, 2010 | Gaggia Classic Espresso Machine

1 Answer

How do I obtain a service manual for the COMPLETE C3II AIR END ASSEMBLY ({Airend 3ACII C255MX3 ? 9.1 Bar(A)} compressor?


not a service manual but a manual. To get the service manual you will have to contact the manufacturer, links in the manual www.iraindco.com/PDF/CENTAC/CENTAC.pdf

Mar 17, 2010 | Air Tools & Compressors

2 Answers

Installing compressor


It is likely you received a service port necessary to remove and replace the refrigerant in the failed system. Add a photo? It should be capable of clamping around 1/4 or 5/16 copper tubing and then piercing through the tubing via a schrader valve in the 5/16 flare nipple. Needs to be capped with a metal cap when you complete the job. Be sure to neutralize if you have an acid burnout condition from the failed compressor... copper windings burning in the absence of oxigen with all that hydrogen rich coolant makes for very high H+ concentration (i.e. ACID). The pH is minus the log of the hydrogen ion concentration so that number will be low.

1) add the service port
2) using your service hose and a transfer pump, remove refrigerant
3) test for acid and neutralize as needed, replace filter dryer anyway
4) replace compressor with make-up oil as measured from the failed unit and any collected with the refrigerant... use new oil only
5) pressure test with dry nitrogen
6) vacuum and hold 26+ inches Hg, more in cold areas
7) charge refrigerant in by weight specified on label
8) allow to equalize before starting, do not start in extreme cold since liquid refrigerant could be in the lines
9) recycle contaminated or acidic refrigerant
10) test the charge using a superheat/subcool setup if the system is not performing satisfactorily

Nov 07, 2009 | Refrigerators

2 Answers

It's blinking de-scale side water holder gets r4eally hot water is not coming out properlywhen u press one of the cup size bottons


Hi,

This is the time, you need to Descale the machine. The simple procedure is :-

Unfortunately, in spite of the best-laid plans of mice and men, espresso machines often get clogged by scale, deposits of minerals from hard water. Scale can cause serious damage if untreated. If your espresso machine's water flow has decreased a lot, it's probably because of scale. Fortunately, there is an easy and inexpensive way to descale your espresso machine.

  1. Obtain some citric acid. You can either order this online or find it in the kosher foods section of the supermarket (usually marketed as "sour salt"). Acid solutions dissolve scale, which is made of calcium carbonate. There are special solutions marketed specifically for descaling, but citric acid works just as well and is much cheaper.
  2. Prepare the descaling solution by mixing citric acid with water (I use two tablespoons of acid and a quart of water).
  3. Put the descaling solution in the water tank, turn on the machine, and run water through the steam wand until the cup is filled, to expose the parts to the solution. Turn off the machine, and leave it for 20 minutes so that the solution has time to dissolve scale.
  4. After 20 minutes, run more water
  5. Run solution through the machine every 20 minutes, until the water tank is empty.
  6. Fill the water tank with plain water, and run water through the machine until output water no longer tastes sour. This is important, because excess citric acid does not make coffee taste good.
Let me know, if need further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!


Oct 12, 2009 | Keurig Coffee Makers & Espresso Machines

1 Answer

Miele descaling funnel?


DO NOT USE THAT MUCH VINEGAR! Put a tiny bit of vinegar in the carafe and fill carafe the rest of the way with water. Run that vinegar/water through machine. Using another container, fill machine with plain water and run that through. Repeat until the vinegar taste is gone. If you do not run lots of plain water through the machine after, your coffee will taste like...um...disgusting! Also, use a spell-checker before improving this posting.
**************
To clean hard water deposits from a coffee maker use distilled white vinegar. You may need to use as much as a gallon if the scale buildup is really bad. Fill clean coffee pot one half full of vinegar and run through machine as if making coffee. Repeat this process several times using fresh vinegar until it comes out clear. Do this once a week and your maker will work much better. **************
Use citric acid or LEMON JUICE CONCENTRATE instead of vinegar. It cleans just as well but doesn't leave the funky odor that vinegar does. You can run enough water to get rid of the vinegar taste, but the odor will linger for days or weeks. Much better to use lemon juice concentrate (no pulp!!) or one of the commercial products like the one available from Starbucks.

Sep 15, 2009 | Miele Coffee System

3 Answers

Need descaling instructions for EAM 4500 auto espresso machine


use 1/4 cup of vinegar and fill pot with cold water, run through machine

Aug 01, 2009 | Coffee Makers & Espresso Machines

1 Answer

Decreased output from Senseo


I'm thinking it needs to be "Descaled" Heres info from Senseo.com:

Does my Senseo® appliance need to be descaled? Yes. Descaling is an important element in Senseo maintenance. It should be done at least once every three months, up to six times a year!

Keeping your Senseo free of scale will:
  • Ensure you have maximum cup volume
  • Ensure you have maximum coffee temperature
  • Make your Senseo produce less sound while brewing
  • Prevent your Senseo from malfunctioning
  • Prolong your Senseo's life.
The descaling process takes about one hour and should not be interrupted. Only a descaling agent based on citric acid can be used safely in the Senseo. Other agents, including vinegar, may damage your appliance or not remove the scale entirely. If the procedure is not performed correctly, scale residue may remain in the machine. This causes scale to build up more quickly and may cause permanent and irreparable damage to the machine.

For the right procedure to descale your type of Senseo, see attached document.
(links to attachment at the bottom of this page:
http://www.senseo.com/senseous/Templates/NonAuthenticated/FAQs.aspx?NRMODE=Published&NRORIGINALURL=%2fen%2fSenseoUS%2fServiceAndSupport%2fCoffeeMachineQA%2f&NRNODEGUID=%7b5584237E-F754-477A-BDFE-52A5DC85D35C%7d&NRCACHEHINT=NoModifyGuest#a23

Nov 09, 2008 | Philips Senseo HD-7810 Coffee Maker

3 Answers

Descaling


No, you can not use vinegar. It will dissolve scale into chunks and block the water heating circuit.

Jan 07, 2008 | Braun Tassimo Espresso Machine/Coffee...

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