Cornelius Cascata180 Manual

Cascata180
Nitro-Coffee Dispenser
Installation, Operation & Service Manual
Publication Number: 890729106
Revision Date: Jun. 2017
Revision: Beta-1.1
CORNELIUS INC

© 2017, Cornelius Inc. - 1 -
Important:
This manual contains important information. Please be sure to read and understand this
manual before installation, operation and servicing. Users of the device are expected to be
familiar with or trained on electronics, pipes, pneumatics, refrigeration and mechanical
equipment. Operations must comply with safety specifications and meet local requirements
for safety and operations, and all wiring and piping installation must comply with national and
local codes. Failure to comply with these specifications and codes will likely lead to serious
personal injury, death or damage to the device.
Contact us:
The product and technical information and explanations contained herein are not intended to
cover all details or variations of the device, nor to provide for every possible contingency in
installation, operation or maintenance of this device. These explanations are subject to change
without notice from time to time. To familiarize yourself with the latest versions of this manual
or other documents, or should you need technical supports for any Cornelius product, please
contact local supporting technicians of Cornelius or obtain assistance through:
CORNELIUSINC, 12 Xin TaiRoad,TEDA, Tianjin, PRC,300457
www.cornelius.com.cn
[phone]
[e-mail]
Trademark and copyright:
This document contains ownership and proprietary information and may not be reproduced
in any way without written consent from Cornelius.

© 2017, Cornelius Inc. - 2 -
Table of contents
Safety ............................................................................................................................................................- 3 -
Safety tips..............................................................................................................................................- 3 -
Identification of safety warning signs...................................................................................................- 3 -
Authorized service personnel................................................................................................................- 3 -
Safety precautions.................................................................................................................................- 3 -
General..........................................................................................................................................................- 5 -
Overview...............................................................................................................................................- 5 -
Warranty information............................................................................................................................- 5 -
Overview of the device.........................................................................................................................- 5 -
Product specifications, parameters and explanation.............................................................................- 6 -
Warranty terms......................................................................................................................................- 6 -
Installation.....................................................................................................................................................- 7 -
Arrival inspections and unpacking........................................................................................................- 7 -
Installation requirements.......................................................................................................................- 7 -
Installation steps....................................................................................................................................- 8 -
Installation of coffee tower and taps.............................................................................................- 8 -
Installation of nitrogen infusion unit.............................................................................................- 8 -
Connect nitrogen supply...............................................................................................................- 9 -
Connect coffee supply...................................................................................................................- 9 -
Device commissioning................................................................................................................- 10 -
Operation.....................................................................................................................................................- 10 -
Startup and shutdown of the device....................................................................................................- 11 -
Filling coffee.......................................................................................................................................- 11 -
Selling coffee......................................................................................................................................- 11 -
Replacing keg......................................................................................................................................- 11 -
Shutdown at night...............................................................................................................................- 11 -
Washing and maintenance ..........................................................................................................................- 12 -
Washing and maintenance plans.........................................................................................................- 12 -
Routine maintenance...........................................................................................................................- 12 -
Washing and disinfection of piping system........................................................................................- 13 -
Descaling of piping system.................................................................................................................- 15 -
Cleaning the filter screen ....................................................................................................................- 15 -
Troubleshooting..........................................................................................................................................- 16 -

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Safety
Safety tips
Read carefully and follow all safety information in this manual and safety signs (stickers, labels,
cards) on the device.
Before operating the device, read and understand all applicable safety regulations (for
occupational safety and health administration).
Keep safety signs in good conditions, and replace missing or damaged signs in a timely manner.
Learn how to operate and control the device correctly.
Ensure that the device is in normal working conditions, and unauthorized modification of the
device is prohibited.
Identification of safety warning signs
Safety warning signs
This is a safety warning sign. When you see this sign in the manual or on the device,
please be careful to avoid direct or potential personal injury or damage to device.
Types of warning signs
Danger:there will be an imminent danger which, if it cannot be avoided, will result in serious injury,
death or damage to the device.
Warning:there is a potential danger which, if it cannot be avoided, will result in serious injury, death
or damage to the device.
Attention:there is a potential danger which, if it cannot be avoided, may result in slight injury, death
or damage to the device.
Authorized service personnel
Warning:
The device should be serviced by trained and qualified electrician, pipe technician and refrigeration
technician. All wiring and piping installation must be in accordance with national and local codes. Failure to
comply with these codes will likely lead to serious personal injury, death or damage to the device.
Safety precautions
This device is specially designed to provide personal injury protection. To ensure effective protection, please
observe the following precautions:
Danger:
Before service, please be sure to disconnect power supply and water supply, empty the regulator tank and
quit all operations that have been executed by the user or it may cause accidents.

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Do not open the metal enclosure of the product when device is in use; if it is necessary to do so, this must be
done by authorized service personnel.
The enclosure of the device which has been serviced must be restored to its original status before operation
of the device is resumed.
Warning:
If a part is damaged, it must be replaced by the manufacturer or its agency or persons with equivalent
qualification to avoid damage.
Children and those who have physical, sensory or mental disabilities or lack experiences and knowledge
may not use the device; if it is necessary to use it, they must be supervised by qualified persons. Children
may not play the product.
This device is not suitable for areas where water splash exists.
This device must be kept level.
This device shall not be flushed directly with water.
For the sake of safety and health, only those who have relevant knowledge and practical experiences have
access to the service area.
This device is only intended to be installed and used in places where strictly trained personnel are available
to service it.
Attention:
Be sure to keep the periphery of the device clean and free of debris. Failure to keep its periphery clean may
result in damage to device or personal injury.
Transportation and storage
Attention:
Before transportation, storage or handling of the device, it must be sterilized and the disinfectant solution
must be discharged from the system. The water in water tank and the regulator tank must also be drained
from the system because a cold environment will lead to freezing of the remaining water or disinfectant
residual in the device and thus result in damage to internal components.
Grounding instructions
Warning: this device must be properly grounded. In the case of malfunction or short circuit of the
product, grounding will reduce the risk of electric shock, while incorrect grounding connections
impose risk of electric shock.
This device is supplied with a power cord and plug that contains a grounding wire, and the plug must be
inserted in socket that has been installed as per specifications and properly grounded. Do not change the
plug of the power cord supplied with the device; if the power cord plug and the socket are incompatible or if
there is any doubt about grounding connection of the device, be sure to consult with qualified electrician or
service personnel for confirmation.

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General
Overview
The manual serves as a guide for installation, operation and maintenance of the device. This section deals with
description of the device, principles of operation and design data. The device must be installed and serviced
by qualified service personnel. This device is supplied without any part used for servicing by the user.
Warranty information
Warranty registration date:
Model of device:
Serial number of device:
Installation date:
Local authorized service center:
Overview of the device
This device is used for infusion of nitrogen, cooling and dispensing of cold-brew coffee. This device is
designed to provide an instant and reliable nitro coffee solution which is easy to use. This device is capable
of dispensing quality coffee drinks on a constant basis, and it is simple to operate and service. The body of
this product is intended to be installed under the counter and the valve tower which are equipped with two
taps are intended to be installed on the counter.

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Product specifications, parameters and explanation
Matched nitrogen cylinder and depressurization gauge bank
Matched coffee keg
Warranty terms
This product is covered by the commercial warranty of Cornelius and subject to all constraints and limits of
the commercial warranty. Cornelius will not be responsible for servicing, replacement and other services in
case of loss of or damage to the product arising from (but not limited to) the following:
(1) use of the product in conditions other than required normal conditions and for purposes other than intended
purpose;
(2) improper voltage;
(3) improper wiring;
(4) intentional damage;
(5) accidents;
(6) incorrect use; ;
(7) servicing by unauthorized persons who are not qualified or trained;
(8) inappropriate cleaning;
(9) errors in installation, operation, cleaning and maintenance of the product;
(10) use of non-original parts for modification and servicing (for example: parts are not 100% compatible with
products);
(11) Loss of efficacy or malfunction of parts as a result of change of beverage varieties or chemical
composition
Main
performance
parameters
of body
Boundary dimensions (h * w * d)
561*580*464
Weight
54kg
Input voltage
220V 60Hz or
220V 50Hz (See nameplate)
Rated current
4 A
Number of taps
2
Pressure range of inlet nitrogen
40~70 psi
Pressure range of inlet coffee
40~70 psi
Temperature range of inlet coffee
10~30 ℃
Ambient temperature range
10~30 ℃
Outlet coffee temperature
< 7 ℃
Refrigerant and volume
R134a/145g
Volume of chilled-water storage tank
14 L
Nitrogen cylinder and
depressurization regulator
Depressurized to 40~70psi
Volume of coffee keg
9 L

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Installation
Warning –The device should be serviced by trained and qualified electrician, pipe technician and
refrigeration technician. All wiring and piping installation must be in accordance with national and local codes.
Arrival inspections and unpacking
Inspection of packaging
The package is subject to immediate inspection after arrival. If the device is found damaged or incomplete,
please retain evidence immediately by taking pictures or in other ways and notify the forwarder of the defects
and submit a compensation order to it.
Unpacking
Remove the packing tape and other packing materials. Open the box and make sure that all parts are
complete.
Main parts
Name
Quantity
Tower and taps
1
Nitrogen infusion Unit
1
Pipes, fittings and accessory kit
1
Coffee keg
2
Installation requirements
Minimum space for nitrogen infusion unit under the counter: 700mm (W) * 820mm (H) * 460mm (D)
Minimum space for gas cylinder under the counter: 200mm (W) * 820mm (H) * 460mm (D)
Ambient temperature: 10 ℃to 30 ℃indoor environment
Power supply parameter: 220V 60Hz or 220V 50Hz (See nameplate)
Danger
Be sure to use a separate and three-pin power socket with reliable grounding wire. The used circuit lines need
to be able to withstand a current of 10A and above and the circuits must be connected to a 10A circuit breaker
which has leakage protection function. All wiring must conform to national and local regulations.
Attention
-The machine is not suitable for areas where water splash exists as water splash may cause damage to the
device.
-The device is only suitable for indoor (non-harsh environment) applications.
-Ambient (room) temperature should not exceed 30 ℃and relative humidity should not exceed 75%. Using
it at temperature higher than 30 °C may cause malfunction of the system.
-Do not place the device in environment where temperature is below 10 ℃, or the device may not function
properly.
-Remove any debris on heat exchange vent on the top and in the rear of the machine.
-To avoid overheating of and damage to the pre-cooling body, the top and external walls of the device must
be at least75mm away from the objects around it.

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Installation steps
Installation of coffee tower and taps
1. Make an opening in suitable position on the desktop as needed. To avoid the structure
interference between tower and nitrogen infusion unit, the distance between this opening and
near-edge of desktop should be 38 cm at least.
2. Install coffee tower vertically inside the opening and fix the part under counter using screws.
Installation of nitrogen infusion unit
1. Filling of Ice-bank: pull the overflow tray at the bottom of device until the interior is seen. Open
the red cap of water tank on the left side of the device, and fill water slowly into the water tank
(about 14L) until overflow water could be observed in the overflow tray, and then put the top cover
back.
2. Connect the strainer to the coffee machine: Assemble the coffee strainer as shown below. Make right
direction of the check valve as below picture. The length of the tube tygon can be determined according
to installation. Connect the “a” and “b”of the strainer to the coffee machine as above graphic. After the
coffee machine is placed suitable position and then fix the strainer under the table.

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3. Push the unit until it is in place (leave its air outlet facing outside to ensure good ventilation, and
the device shall be at least 75mm away from left, right and rear panels for good heat dissipation
4. Connect the nitrogen infusion unit with coffee tower with hose. Cut the hose to obtain appropriate
length and attach it to the receiving port on unit and secure it reliably. Positions of nitro coffee
outlet, non-nitrogen coffee outlet and cooling pipe port are shown by labels. Exposed parts should
be covered with thermal insulation materials and erasable tape.
Connect nitrogen supply
1. Connect the gas inlet port to Nitrogen supplyof which the pressure should be regulated at 40~70psi.
Close the main valve of the cylinder unit all the connections have been completed.
2. If nitrogen supply is depressurized in two stages, the on-board pressure detection probe of the
device may be used; in this case, regulate the readings on the depressurization gauge on nitrogen
cylinder to obtain 100psi and regulate that on secondary depressurization gauge to obtain 40~70psi.
Nitrogen pressure probe is located between the depressurization gauges in two stages.
3. Push the unit until it is in place and engage wheel brakes.
Danger
• Only pure food grade nitrogen (N2) is permitted.
• Do not disconnect the nitrogen supply hose before closing the main valve on the cylinder.
• Set nitrogen pressure correctly, and the pressure of intake nitrogen may not exceed 70 PSI.
• Do not expel gas directly in narrow places; instead the device must be used in a well ventilated area.
• Nitrogen cylinder is expected to be stored and used only in upright posture, so please do not put them
upside down.
• Please follow all necessary safety precautions during transportation and use of nitrogen cylinders.
Nitrogen cylinders are under high pressure and if damaged, they may cause extreme damages and even
death.
•Always store this nitro-coffee dispenser and nitrogen cylinders in places beyond the reach of children.
• This nitro-coffee machine and nitrogen cylinders are not expected to be used by children or persons
who are not familiar with these safety procedures.
• Do not remodel any part of this nitro-coffee coffee machine and nitrogen cylinder accessories.
Remodeling this device will invalidate the warranty and may result in personal injury or even death and
other dangerous situations.
Connect coffee supply
1. Pour the prepared cold-brew coffee into disinfected and clean coffee keg.
2. Tighten the lid of coffee keg and connect the keg to the nitrogen and liquid pipelines of the body
through white/black connectors respectively.
3. Place the coffee keg onto the weighing platform.
Nitro coffee
outlet
(sst barb)
Cold brew
coffee
outlet
Tower
outlet
Tower
outlet

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Coffee quick connectors (black, 3 pin) Nitrogen quick connectors (white, 2 pin)
Device commissioning
1. Pressurization: after confirming that the above installation steps have been completed, check and
ensure that all pipes have been connected and secured with clamps, close the taps, and open the
main valve on nitrogen cylinder gradually; keep a close eye on the system in boosting process to
identify leakage of coffee and other defects, and in case of emergency, shut down the main valve
on nitrogen cylinder.
2. Power on: after making sure that everything is OK, insert power plug into socket and turn on the
main power switches on the device.
3. Check if the inlet pressure on body is 40~70psi (60 psi is recommended).
4. Test pouring of coffee: after powering up and cooling for 1 hour, adjust the nitrogen regulator
valve (behind the door) according to the desired result of the coffee to regulate the foam effect:
turn the regulating valve clockwise until it is closed, and then turn it for about 1.2 digit
counterclockwise starting from the closed position. Hold the device for 1 minute and make test
pouring. To get more foam, tune the knob finely counterclockwise; to get less foam, turn the knob
clockwise. The effect of adjustment is not visible until after 2~3 cups of coffee is dispensed. (It is
not needed to reset the regulator valve during routine replacement of coffee keg.)
Warning-please make sure that the machine's power supply has been disconnected before
installation.
Warning -pipe joints, clamps and threads must be properly installed; otherwise, leakage of water
or nitrogen may occur during use.
Attention -the device should be installed in the area where it is used and where the trained
professional service personnel have easy access to it.
Operation

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Startup and shutdown of the device
1. Turn on the main power switch and open the main valve on nitrogen cylinder.
2. Turn off the main power switch and close the main valve on nitrogen cylinder.
Filling coffee
Pour the pre-prepared cold-brew coffee into washed and clean coffee keg and tighten the lid, and
then secure the nitrogen inlet (white) and pull the pressure relief ring for 1s to complete the process
of coffee filling.
Selling coffee
Connect the body of prepared cold-brew coffee to nitrogen inlet (white) and coffee outlet (black),
and push the body to its place, and now it is ready for dispensing.
Put the cup just under the tap. Press the handle of tap to dispense coffee and restore the handle to
stop dispensing.
Replacing keg
It is possible to prepare another keg of coffee as needed with spare nitrogen lines so that the keg may
be switched at any time during business.
Shutdown at night
Close the cylinder master switch and power switch at night when the business is closed.
Warning - the pre-prepared cold-brew coffee should not contain particles of which diameter is
larger than 0.2mm, or it may cause clogging in the device.

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Washing and maintenance
Warning
The device may be serviced only by those who have been trained or hold certificates of technicians in
electronics, piping and refrigeration, etc. All electrical circuits and pipelines must conform to national
and local regulations.
Warning
Before cleaning and servicing, please make sure the power is off before any work is undertaken on the
device. The regulating tank shall be emptied before servicing the water system. Failure to follow these
instructions will result in serious injury, death or damage to the device.
Washing and maintenance plans
Item
Frequency
Routine maintenance
Daily
Washing Coffee strainer
Daily or as needed
Washing and disinfection of piping system
Monthly or as needed
Pipe descaling, Clean the filter screen
Every 3 months or as needed
Inspection and Maintenance on the body (by
service providers)
Annually
Cleaning the device
Wash the coffee tower, drip box, out surface of keg, connectors and other parts with (b)
multi-function detergent solution and flushed by clear water.
Attention: do not use metal scrapers, sharp objects or tools with rough surfaces for cleaning
purpose to avoid damage to the device. Do not use water to flush the device directly. Use wrung
rag to wipe the device as needed.
Routine maintenance
Preparation:
(a) Multi-function detergent base liquid: 750ml water + 1 packet (59ml) of KAY® QSR HD Multi-
Purpose Sink Detergent
(b) Multi-function detergent solution: 3L water + 100ml base liquid
(c) KAY® disinfectant: 100 ppm (refer to instruction of KAY® sanitizer)
Flushing empty coffee keg:
Use 3L (b) multi-function detergent solution and brush to flush the inside of the used
keg. Drain the keg of the multi-function detergent solution, and use clear water to flush
and drain the keg. Then fill 9 L of (c) KAY® disinfectant (100ppm) into the keg, shake
the keg rigorously to ensure uniform contact of the disinfectant with the inner wall of

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keg, holding the disinfectant inside of keg for 30 min and then pour it out. Use drinking
water to flush in side of the keg repeatedly again and pour the water out. Leave the coffee
keg in air to dry for next use.
Flushing valve nozzle, coffee strainer and disconnector:
Remove the valve nozzle from the tap, soak it in (b) multi-function detergent solution
for 10 min and flush it with drinking water. Soak it in (c) KAY®disinfectant (100ppm)
for another 30 min and flush it with drinking water.
Remove the SST filter mesh from coffee strainer, soaking it in (b) multi-function
detergent solution for 10 min and flush it with drinking water. Holding it in (c) KAY®
disinfectant (100ppm) for 30 min and flush it with drinking water.
Remove the red disconnector from coffee keg, soak it in (b) multi-function detergent
solution for 10 min and flush it with drinking water. Soak it again in (c) KAY®
disinfectant (100ppm) for 30 min and flush it with drinking water.
Washing and disinfection of piping system
The following method and equivalent method could be used for disinfection of piping system.
Preparation:
(a) Multi-function detergent base liquid: 750ml water + 1 packet (59ml) of KAY® QSR HD Multi-
Purpose Sink Detergent
(b) Multi-function detergent solution: 3L water + 100ml mother liquor
(c) KAY®disinfectant: 100 ppm (refer to instruction of Kay-5 sanitizer)
Step 1- flushing with detergent solution
Make sure gas inlet pressure is 60psig during disinfection process. Open the two taps to
drain out all the liquid in system until coffee keg is emptied and a large volume of gas
emits.
Fill an empty clean coffee keg with 9L (b) multi-function detergent solution, shake the
keg at least 10 times to ensure uniform contact of the detergent with the inner wall of keg.
Connect the keg to the system. Open the tap and use detergent solution to flush the pipes
until light blue fluid flow out of the system. About 2 L detergent solution is drained from
each tap. Then close the taps and holding the detergent inside the piping for 20 min.
Open the two taps to empty the pipes of the system, close the taps until coffee keg is
emptied and a large volume of gas emits.
Step 2 - flushing with drinking water:

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Fill the empty coffee keg with 9L drinkable filtered water or purified water (important!
）and connect the keg to the system. Open two taps so that about 4.5L drinking water is
drained from each tap, close the taps until coffee keg is emptied and a large volume of gas
emits.
Step 3- flushing with disinfectant fluid
Charge the empty coffee keg with 9L (c) KAY®disinfectant (100 ppm), shake the keg
fully to ensure uniform contact of the disinfectant with the inner wall of keg and connect
the keg to the system.
Open the tap and use disinfectant to flush the pipes.
Shake the coffee strainer (in the pipe line between coffee keg and unit) during the drain
process to secure uniform contact of the disinfectant with the inner wall of strainer and all
the gas in the strainer is replaced by disinfectant. About 2 L light red fluid should be drain
out from each tap.
Then close the taps and holding the disinfectant in system for 30 min.
Open the two taps to empty the pipes of the system , open and close the two taps during
the drain out process until coffee keg is emptied and a large volume of gas emits. About
2.5L disinfectant should be drained from each tap.
Step 4 - flushing valve nozzle, coffee strainer and disconnector:
Remove the valve nozzle from the tap, and remove the SST filter mesh from coffee
strainer, and remove the red disconnector from coffee keg,
holding them in (c) KAY®disinfectant (100ppm) for 30 min and flush it with drinking
water.
Then install them into system except for tap nozzle.
Step 5 –Repeat step 3:
Repeat step 3 for another two times.
Step 6 –Repeat step 3:
Install tap nozzle into system, then repeat step 3 for another 1 time.
Step 7 - flushing with drinking water:
Fill the empty coffee keg with 9L drinkable filtered water or purified water (important!)
and connect the keg to the system. Open two taps to drain out all the water in system.
About 4.5L drinking water is drained from each tap, close the taps when coffee keg is
emptied and a large volume of gas emits.
Warning: please follow the instructions as indicated on the device. Before dispensing coffee
with the device, the device must be washed with drinkable water adequately by following the
above operational steps, and after washing chlorine test paper may be used to detect the
chlorine content and if the result is not acceptable, keep on flushing the pipeline to prevent the

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residual disinfectant fluid from causing damage to health.
Descaling of piping system
Preparation:
(d) Descaling solution: 3.8L water (40~60℃) + a spoon of descaling powder (KAY® QSR Descaling)
Step 1- flushing with descaling solution
Charge the empty coffee keg with 3L (d) descaling solution, shake the keg at least 10 times
gently to secure uniform contact of the descaling with the inner wall of keg. Connect the
keg to the system and open the nitrogen valve. Prepare plastic keg or drainable drip box
and put it under the tap to receive the effluent generated during cleaning. Open the tap and
use descaling solution to flush the pipes until clear fluid flow out of the system. About
0.5L descaling solution is drained from each tap. Then close the tap and holding the
descaling solution for 15 min. Empty the pipes of the system to remove any coffee residue,
and until gas flows out of the tap outlet
Step 2 - flushing with drinking water:
Fill the empty coffee keg with drinkable filtered water or purified water (important! ）At
least 3L is needed. Connect the keg to the system, open two taps to remove the residual
disinfectant fluid. About 1.5L drinking water is drained from each tap. The process is
complete when coffee keg is emptied and a large volume of gas emits.
Cleaning the filter screen
Filter screen is used to protect the device and maintain the efficiency of the system, but
the accumulation of dust and oily dirt during use will cause overheating of the system.
In order to avoid overheating, filter screen should be cleaned regularly or as needed by
observing the following steps.
1. Remove the air inlet filter from the device.
2. Use a vacuum cleaner or soft brush to clean the dust on filter screen.
3. Put the filter back on the device.

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Troubleshooting
Important –only servicing personnel may repair internal parts or electronic circuits
Warning Prior to any servicing operations, make sure the power supply, gas supply and coffee keg
have been disconnected and inner pressure has been released by operate taps. Failure to follow these
instructions will result in serious injury, death or damage to the device. After any maintenance, be
sure to restore the parts of the device to their original state.
Danger After the servicing, the unit and settings should be installed to the correct state. Failure to
follow these instructions will result in serious injury, death or damage to the device.
Fault/problem
Possible causes
Troubleshooting
Coffee flow at
outlet is small
Coffee keg is not connected to the system
Secure the connectors of nitrogen and
liquid pipelines on the coffee keg
Valve nozzle on tap is blocked
Wash the valve nozzle of tap
No reading on nitrogen pressure gauge,
and main valve on nitrogen cylinder is not
opened
Open the main valve of nitrogen cylinder
Pressure readings on gas regulator is
lower than set value
Insufficient nitrogen in nitrogen cylinder
Insufficient
foam in coffee
Small coffee flow rate
Solve flow rate issue firstly
The main valve of nitrogen cylinder is not
open or pressure is insufficient
Ensure that there is sufficient nitrogen
supply
Dispense coffee again after disinfection
of the device, but the first 3 cups must be
abandoned.
Keep on dispensing to observe the
bubbles
It is needed to tune the nitrogen infusion
rate control valve finely
Finely tune the volume of charged
nitrogen if really needed
Excessive foam
in coffee
Insufficient coffee in coffee keg
Replace it with filled coffee keg
Dispense coffee again after disinfection
of the device, but the first 3 cups must be
abandoned.
Keep on dispensing to observe the
bubbles
It is needed to tune the nitrogen infusion
rate control valve finely
Finely tune the volume of charged
nitrogen as needed
Excessive
coffee
temperature
Power of the body is not on
Turn on the power of the body
Overload protection
Press to reset overload protector
Ice-bank is not filled with sufficient water
(initial installation)
Add more water
Overheating of pre-cooling body
Check if filter screen is blocked
Fault of refrigeration system
Please contact device servicing personnel
Leakage on the
device
Leakage of coffee or nitrogen
Turn off the main power supply and
close the main nitrogen valve. Please
contact device servicing personnel
Damage of parts
Turn off the main power supply and
close the main nitrogen valve. Please
contact device servicing personnel

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Cornelius (Tianjin) Co., Ltd.
www.cornelius.com.cn