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Caffeum Perfectus Minima Dual Boiler Espresso Machine

5 out of 5 based on 1 customer rating
(1 customer review )

$1,899.00 $1,599.00

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Description

Caffeum Perfectus Minima Dual Boiler Espresso Machine by ACS

Overview

1st-line normally does not carry sub-$2000 E61 dual boiler espresso machines because they are usually very lackluster in the steam department. Well, after seeing the Minima espresso machine in Rimini, Italy at the SIGEP trade show, we had two samples shipped in March of 2019. We were delighted to finally find a tank model, E61 grouphead espresso machine that could sell for under $2000 USD AND has some really powerful steam! In fact, we did not want the so-called no-burn steam wands because the steam power would be diminished! Made proudly in Italy.

  • Steam boiler safety valve is set at 2.5 bar
  • Max temperature is 255° Fahrenheit
  • OPV is set between 9-10 bar

Be one of the first to use the Minima, and we can assure you lots of steam power when compared to other sub-$2000 E61 espresso machines!

Dual boiler system
  • Simultaneously pull an espresso shot and steam milk – Steam is always readily available. Hence, there is no wait time going from coffee to steam mode. Works well if entertaining a small group of people.
  • Insulation with stainless steel boiler – The boiler is made of stainless steel which is less susceptible to limescale. Typically stainless steel boilers do not retain their heat as well as copper or brass boilers. This machine compensates that by being wrapped with insulation This helps with temperature stability for the espresso extraction and also helps save energy.
E61 grouphead
  • Pressure gauge from within – Gives a more accurate reading of brew pressure.
  • Consistent heating – Hot water circulates from the heat exchanger through the grouphead and back to keep the grouphead and your portafilter nice and hot. This keeps the grouphead at a constant, stable temperature compared to other groupheads that have a built-in heating element. With the heat exchanger/thermosyphon system, only fresh water from the water tank is used for the espresso extraction. The water in the heat exchanger flows to and from the grouphead.
PID control
  • The PID display is used for programming the temperature of both the coffee and steam boilers.
  • Shot timer from within – As soon as you start the espresso extraction, you can view the shot time  on the display screen
Vibratory pump
  • Profitable – Pumps will degrade in performance over time. Replacing a vibration pump will cost less than a rotary vane pump.
  • Effective – 41 watts, rated up to 15 bar with air valve bypass. You only need 9 bar to extract perfect espresso, and wattage has no correlation to longevity.
Tank / reservoir system
  • Automatic turn-off feature – Prevents burning out the heating element. The water tank sits on a spring-activated plate. Once the water is low, the plate depresses the tank microswitch which turns off the heating element.
  • Particle filter – Protects the machine from any unseen particles from entering the boiler. You can remove this filter if you are installing an inline water softener.
Steam & hot water wand
  • Multidirectional wands
  • 3 hole steam tip
  • Hot water wand that is non-insulated
  • Non-insulated steam wand goes faster throughout the steam.
Construction
  • Drip tray –  The coffee side has a drip tray extender if you are using small espresso cups.  The right side of the front body is angled back. This gives more space for frothing and reduces the chance of burning yourself being further away from the grouphead.
  • Body panel – Stainless steel that is polished to a mirrored finish. Some machines may have a white film which can and only should be removed after testing the Minima espresso machine with water
Accessories included
  • 2 Filter heads: 1 single spout & 1 dual spout; both measuring at 58 mm.
  • Filter baskets: A 1-cup that holds ~ 7 grams of ground coffee and a 2-cup that holds ~14 grams of coffee; both measuring at 58 mm.
  • Rubber insert: Made for backflushing the grouphead. Place this part into the 2-cup filter basket to turn it into a blind basket.
  • Grouphead gasket: Extra gasket that is normally replaced every 6 – 12 months, depending on the usage.
  • Padding: 2 sets of 4 pads for the feet.
  • Drip tray extender: For the purpose of using small espresso cups.
  • Instruction manual: Written in English.

Additional information

Brand

Caffeum Perfectus

Height (inches)

15, approximate

Width (inches)

11, approximate

Depth (inches)

17.5, approximate

Weight (pounds)

49

Wattage (watts)

Coffee – 1000, Steam – 1200

Voltage (volts)

110 – 120

Boiler capacity (liters)

Coffee – 0.8, Steam – 2.3

Portafilter size (mm)

58

Tank capacity (liters)

2.6

Country of manufacture

Italy

Approvals

CE

Espresso Machine Warning:

  • ELECTRICAL WARNING: To avoid electrical damage to this espresso machine which is not considered a manufacturer's defect, please acquire and install a single-outlet surge suppressor rated at 1080 joules or higher. the lack of the recommended surge suppressor, the espresso machine can be damaged at the power switch, the electronics, the heating element, the pressurstat or the wiring inside.
  • WATER WARNING: To increase the useful life of and not damage your espresso machine, please use softened water. Softened water is water without calcium and without magnesium, but still has other minerals for espresso extraction. Do not use distilled water, purified water, nor reverse osmosis water as these types of water create oxidation with the metals and cause the same damaging effects as limescale.
  • DESCALING WARNING: We do not recommend descaling unless there is an issue with the espresso machine. The reason is that too much descaling can eat away at the metals and gaskets inside an espresso machine.

  1. We test this machine with water prior to shipping out. Your machine may arrive wet. Please let air dry for at least 24 hours prior to turning on.
  2. There can be a white film left over the stainless, depending upon what the manufacturer does. Please do not remove the film until you confirm the machine has arrived in good working condition and without damage.

Customer reviews

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1 review for Caffeum Perfectus Minima Dual Boiler Espresso Machine

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      1. 0 votes
        Answered by the admin

        This would be difficult to determine since the pre-production model may have a different boiler or a different sized connection than the ones we sell. Your purchase of the Ascaso one just proves our point that this inquiry is not as easy as one thinks to answer.

        Unfortunately, we are unsure at this time. We did forward your inquiry to ACS. However, since Italy is closed due to the Coronavirus, you may want to contact the person or company you purchased the pre-production machine from as they ultimately should support your inquiry and know the specifications. Once we hear from ACS, we will update our answer here.

      2. 0 votes
        Answered by the admin

        This bottomless/naked portafilter fits best on the Minima!

      3. 0 votes
        Answered by the admin

        From our experience, it heats up the coffee boiler first with priority, then the steam boiler. This is the only way to make it work at 15 amps at 110-120 volts.

      4. 0 votes
        Answered by the admin

        At 110-124 volts, it takes the coffee boiler about 20-25 minutes under room temperature of 60-70 degrees F, and the steam boiler an additional 25-30 minutes.

      5. 0 votes
        Answered by the admin

        The steam boiler needs steam pressure to push the water on the bottom of the steam boiler through the hot water valve and wand. Hence, the steam boiler needs to be set at 212 degrees F or higher.

        In Italy, the hot water valve was created to rinse the portafilter, and not for Americano beverages as North Amercian customers have adapted. Although it can be done on the minima espresso machine, we suggest only remove 4 ounces of water from the hot water valve, then allow the steam boiler to refill before removing another 4 ounces of hot water. This is because if the water level drops too fast on the steam boiler, the steam boiler heating element can get damaged from lack of water. This applies to all HX and double boiler espresso machines with boilers smaller than 4 liters.

      6. 0 votes
        Answered by the admin

        Sorry, on new machines, the programmers sometimes forget to ask the technicians about the electrical.

        The coffee boiler is 1000 watts. The steam boiler is 1200 watts. The 110 volt current alternates between the two boilers, but not to both at the same time. This allows 15 amp service with minimum 110 volts up to 124 volts out of the outlet with a 15 amp circuit breaker.

        We usually say 'should work" because we are not at every remote location to check the amperage rating of the circuit breaker, the age and type of wiring behind the wall, nor the actually voltage coming through the circuit. For examples, some very old homes have may have a 15 amp circuit breaker, but less than 110 volts at the outlet. If the volts are too low for any particular reasons, no 15 amp espresso machine will work correctly and/or potentially cut the circuit breaker. In other words, we have to try to think of every scenario, because there is always that one machine in one customer's home where it will not work... So, we say 'should work"....

        We asked the programmer to correct the web site with greater detail.

      7. 0 votes
        Q Does this need a 15A circuit or a 20A? answer now
        Asked by Dave on June 15, 2019 4:07 am
        Answered by the admin

        15 amps should be sufficient if a dedicated outlet. 20 amps will work better if a grinder is on the same outlet.

      8. 0 votes
        Answered by the admin

        Sorry for the delay as we had to confirm with the manufacturer. They responded,

        "This machine is equipped with a vibration pump that is more gentle compared with a rotary pump. Basically, the E61 not have a real preinfusion chamber, but have like an expansion valve that operates at around 5 bars to avoid the shock of the 9 bars that the rotary pump push from the beginning.

        The vibration pump have a short ramp up of pressure and also the volume of water in the same time is lower so the puck not suffer."

      9. 0 votes
        Answered by the admin

        Not really. There is a three stage switch - off, coffee boiler power on only, and coffee and steam boiler both power on.

        Hence, the steam boiler can not be powered on by itself.

        A I don’t think that is correct, I think you can switch the steam boiler off. See the review here: https://coffeeequipmentreviews.wordpress.com/2019/03/06/acs-minima-final-production-machine/
        Answered by the admin

        There are two switches on the front panel on the Minima espresso machine. The top switch is to start and stop the espresso extraction. The lower switch for power has three positions:

        Top - Power on coffee boiler only
        Center - Power completely off
        Bottom - Power to BOTH boilers.

        Unless we are missing something here, the steam boiler can NOT be turned on INDEPENDENTLY of the coffee boiler. Please review picture below.

        Switches on Caffeum Perfectus Minima Espresso Machine

        A Hi all - thanks - that answers my question - it is not 100% independent but what I am interested in is the ability to shut off the steam boiler, which is possible - sorry -I was not clear in phrasing my question.

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