Narvon 378NSSM2 User manual

1
NARVON SUMMIT
3.2 GALLON BOWL
FROZEN BEVERAGE
DISPENSERS
#378NSSM2
Double Bowl
#378NSSM3
Triple Bowl
USER MANUAL
READ THOROUGHLY BEFORE OPERATION • UPDATED 04/2023

2NARVON SUMMIT
TABLE OF CONTENTS
SAFETY
SAFETY ...........................................2
FEATURES.........................................3
PARTS DIAGRAM .................................4
CONTROL PANEL .................................5
INSTALLATION....................................6
OPERATION ......................................7
SETTINGS .........................................9
CLEANING .......................................12
MAINTENANCE..................................14
WARNING ALARMS .............................14
PROGRAMMING.................................15
DISPOSAL........................................21
TROUBLESHOOTING ............................22
• Children must not play with the machine:
This appliance cannot be used by children who are younger than 8 years old, or by people with reduced physical, sensorial, or
mental capacities. Those with lack of experience or know how must be given the appropriate supervision and training before
operating the machine. Cleaning and maintenance must be carried out by qualied personnel.
• Emergency situations:
WARNING In each emergency situation, in order to stop the machine, push the black switch located under the machine and
unplug it. In the event of machine blockage due to cooling, turn the machine off and contact a specialized technician. In the
event of re, immediately evacuate the area to allow the personnel in charge and equipped with suitable protective means to
intervene. Always use standard extinguishers, never use water or substances of an uncertain nature.
- The outlet that the machine is connected to must:
• Correspond to the type of plug that it is tted with
• Correspond to specs outlined on the serial plate
• Be properly grounded
• Be connected to a circuit breaker
- The electricity cable must not:
• Come into contact with any type of liquid
• Be attened or come into contact with sharp, cutting surface areas
• Be used to move the machine
• Be used when it is damaged
• Be handled with damp or wet hands
• Be rolled in a ball when operating
• Be altered. If the supply cord is damaged, it must be replaced by the manufacturer or similarly qualied persons in order to
avoid a hazard
5GM2 5GM3

3
NARVON SUMMIT
FEATURES
- It is forbidden:
• To install the machine in a different manner than indicated in this manual
• To use the machine near ammable and/or explosive substances
• To let children play with or operate the machine
• To use spare parts not recommended by the manufacturer
• To make any technical modication to the machine
• To submerge the machine any type of liquid
• To wash the machine with water jets
• To use for purposes that are not indicated in this manual
• To use the machine under altered psychophysical conditions due to the inuence of drugs, alcohol, psychotropic drugs, etc
• To install the machine on top of other appliances
• To use in areas where the risk of re is high. Avoid operating the machine in areas that have a high concentration of powders
or oily substances suspended in the air
• In order to prevent possible damages while operating the machine:
- Any use that is different than the applications/techniques stated in this manual is prohibited
- Any intervention carried out on the machine that is contrary to the indications stated in this manual is prohibited
- Do not alter any safety devices or repair the machine with components that are not authorized by the manufacturer
- Make sure to keep ventilation openings clear of obstruction
- Do not use mechanical devices or other means to accelerate the defrosting process, other than those recommended by
the manufacturer
- Do not damage the refrigerant circuit
- Do not use electrical appliances inside the food storage compartments of the appliance, unless they are of the type
recommended by the manufacturer
All improper use will void the product’s warranty, the manufacturer waives all liability for possible injuries to people and/or damages to
things that may derive from said improper use.
• Cleaning (by a qualied operator):
- Use protective latex gloves. Once on, wash your hands with a disinfectant solution
- Do not use solvents or inammable materials
- Do not use abrasive or metallic sponges
- Try not to disperse liquids into the environment
- Do not wash components in the dishwasher
- Do not use the oven or microwave to dry the components
- Do not submerge the machine in water
- Do not spray direct jets of water over the machine
- Only wash using warm water and a suitable sanitizing agent (in compliance with current standards in the country of use)
that do not cause damage to the components.
DEPOSITY CAPACITY
WHAT CAN YOU PREPARE?
CAN WORK WITH:
3.2 Gallons of Slush
Slush
Cold Drink
Liquid Concentrate
Powder Concentrate
Alcohol
Filtered Fruit Based Product
378NSSM2 378NSSM3
Bowls 2 3
Capacity 6.4 Gallons 9.6 Gallons
Gas R290
Width  
Depth 
Height 
Weight 123.5 lbs. 154 lbs.
Power 1100W 1250W
Voltage 115V

4NARVON SUMMIT
PARTS DIAGRAM
ACCESSORIES
Folding Lid
Bowl
Push & Pull Tap
Display
Drip Rack
Drip Tray
Main Switch
Feet
Food Safe Lubricant Nylon Brush

5
NARVON SUMMIT
CONTROL PANEL
MODES
UP
- Move through parameters list
- Adjust a selected parameter
DOWN
- Move through parameters list
- Adjust a selected parameter
BACK
- Exit the user menu
- Exit the selected parameter
SETTINGS
- Press and hold to enter User menu
- Select parameter
OPERATING
MODE
(Left Bowl)
- Change left bowl
operating mode
OPERATING
MODE
(Left Bowl)
PRODUCT
TEMPERATURE
(Left Bowl)
OPERATING
MODE
(Right Bowl)
- Change right bowl
operating mode
OPERATING
MODE
(Right Bowl)
PRODUCT
TEMPERATURE
(Right Bowl)
SLUSH Chills the product to get slush.
STANDBY 

MIX 

DEFROST




STOP 

6NARVON SUMMIT
INSTALLATION
UNPACKING
1. When moving your machine into the area where it will be installed, make sure that nobody is obstructing the path.
2. The machine must be moved by at least two people. Make sure to transport the unit in a vertical position.
3. Make sure to avoid any obstructions when moving the machine. Pay special attention for any possible protruding parts.
4. It is prohibited to make additional cuts in the packaging.
5. Try not to damage the packaging as it could be used again in the future.
Damages that the machine may suffer during transport and moving are not covered by the warranty. Repair and replacement of
parts that may get damaged must be paid for by the customer.
TREATMENT OF PACKAGING
Recycling: After you have unpacked machine, you can properly dispose of all packaging materials.
Conserve for future use: If you do not wish to dispose of the packaging, or if you wish to place the unit back in storage, you
can conserve the packaging for future transporting of the machine.
BEFORE THE FIRST START-UP
Is is recommended to properly wash and sanitize the machine before the rst use.
Parameter Conguraon: Perform all install procedures as stated in this manual.
POSITIONING
All of the operations illustrated in this section are to be exclusively carried out by specialized technicians.
The following requirements
must be met before installing
the machine:
1. The voltage of your power source
must coincide with that indicated
on the machine's serial plate.
2. The machine must be installed in
a room that is between:
20°C and 40°C
68°F and 104°F.
3. Must be installed in a place where
it can be monitored by qualied
personnel.
4. The machine must be placed
securely on a solid, at, and stable
surface.
5. The machine must be placed in
an area that has easy access to a
power source.

7
NARVON SUMMIT
OPERATION
PRODUCTS SAFE TO USE
- Water + Liquid Concentrate
- Water + Powder Concentrate
- Alcohol
- Filtered Fruit-Based Product
PREPARING THE PRODUCT
Product will need to be premixed before adding it into the machine.
Follow the manufacturer’s recommendations for mixing.
Assemble Air Filter: Locate the lter in the machine’s packaging, insert
it into the groove, at the bottom of the chassis, at the front. Slide it
completely until it stops. (Fig. 1)
FILLING THE BOWL
Open the Lid: Lift the front part. (Fig. 2)
Filling the Bowl: Do not use liquids with temperatures over 25ºC/77ºF.
Filling Level: MAX up to sticker; MIN cover the evaporator. (Fig. 3)
Close the Lid: Lower the front part.
PREPARING COLD DRINKS
Start-Up: With the machine plugged into the power source, push the
main switch. (Fig. 4)
Slush: Press OPERATING MODE BUTTON until the display shows:
SLUSH (Fig. 5)
Note: In order to obtain a slush consistency, the mixture must have a
minimum sugar content of 13° BRIX (13g sugar to 100g solution).
A lower concentration may damage the spiral blades and gear motors
Cold Drink: Press OPERATING MODE BUTTON Until the display
shows: STANDBY (Fig. 6)
During Preparaon We Can See:
Fig. 3Fig. 2
Fig. 4
Fig. 5
Fig. 6
Fig. 1
Product Temperature
(Left Bowl)
Product Temperature
(Right Bowl)
Operating Mode
(Right Bowl)
Operating Mode
(Left Bowl)

8NARVON SUMMIT
SERVING THE PRODUCT
The Push and Pull tap allows us to serve the
product in two different ways:
IF ICE CRYSTALS APPEAR
AFTER HOURS
(STANDBY MODE)
Pull: Pull the handle. (Fig. 7)
Push: Push the handle. (Fig. 8)
Select Defrost Mode: Press OPERATING
MODE Until the display shows: DEFROST
(Fig. 9)
This allows you to defrost the product quickly.
Wait until Defrost nishes. (During Defrost,
Slush and Stand By mode of any tank is
deactivated)
Prepare Slush: Press OPERATING MODE Until
the display shows: SLUSH (Fig. 10)
In this way, the slush always remains
homogeneous and prevents the formation of
excessively large ice crystals.
Select Standby Mode: Press OPERATING
MODE Until the display shows: STANDBY
(Fig. 11)
During the periods when the establishment
is closed, it is possible to use the machine in
standby mode. Doing this will allow you to save
a considerable amount of electrical energy.
Fig. 9
Fig. 11
Fig. 10
OPERATION
Fig. 7 Fig. 8

9
NARVON SUMMIT
MENU ACCESS
Press SETTINGS for 5 seconds
BROWSE THROUGH THE USER'S MENU
SETTING THE SLUSH CONSISTENCY
SETTINGS
PARAMETERS




°C / F





Move through parameters list.
Adjust a selected parameter.
Increase/Decrease
consistency.
Recommended Value
Liquid
Consistency
Thicker
Consistency
Slush Consistency
(Left Bowl)
Consistency Values (values range from 1-18):
Hardness also depends on the product used and the proportion of sugar and total dissolved solids.
Slush Consistency
(Right Bowl)
Select parameter.
Change bowl selection.
The bowl selected ashes.
Exit the selected parameter.
Exit the user menu.
Save and exit.
12 3 4 5 6 78 9 10 11 12 13 14 15 16 17 18

10 NARVON SUMMIT
MAINTENANCE (RESET PREVENTIVE MAINTENANCE WARNING)
Allows you to reset the preventive maintenance warning countdown.
Maintenance warning is an option. May be deactivated by a specialized technician.
INSTALL (SET UP THE UNIT)
This step is necessary before operating your unit for the rst time.
The screen will display two asterisks (**). This indicates that the INSTALL procedure is running. In 20 to 40 minutes, the
asterisks will disappear, indicating that the INSTALL procedure is complete.
The AUTO FUNCTIONS feature cannot be active when performing the INSTALL procedure.
RESTORE DEFAULT SETTINGS
Allows you to reset all the parameters in the user's menu.
LCD BACKLIGHT
Allows you to see backlight intensity.
SETTING LANGUAGE
This setting allows you to choose the display language. Choose from the following:
Italian, English, Spanish, French, or German
TEMPERATURE SCALE (°C/F)
SETTINGS
Conrm
Conrm/Record
Password
Increase/Decrease Save and Exit
Start Install
Procedure
Increase/Decrease
Password Value
Conrm
Increase/Decrease
Intensity
Change
Automatic Mode
Exit
Save and Exit

11
NARVON SUMMIT
LID ILLUMINATION
Allows you to activate lid illumination.
DATE AND TIME
Allows you to set the date and time.
AUTO FUNCTIONS
Allows you to program automatic modes.
Automatic standby/slush active:
Allows the user to set when the machine enters Standby/Slush mode. User will not have to manually change the setting at
the end or beginning of each day.
The user can manually congure three automatic functions, S1 - S2 - S3. In the main screen it will indicate the number of
active functions that you have congured.
Pressing you can set the time that the machine automatically changes to Standby and Slush mode:
NOTE: The auto standby function only works when in slush mode.
SETTINGS
Increase/Decrease
Password Value
Increase/Decrease
Lid Illumination
Change value selection.
The value selected ashes.
Date of conguration: 12/24 H
Increase/Decrease
Value
Change
Automatic Mode
Change Value
Selection
Increase/Decrease
Value
Save
and Exit
Save
and Exit
Save
and Exit
Save
and Exit

12 NARVON SUMMIT
EMPTY BOWLS
DISASSEMBLE
CLEANING
It is recommended that the machine be cleaned daily. Cleaning must be performed by a qualied operator. While cleaning the
machine, wear proper protective equipment (goggles, gloves, etc.).
Use the tap lever to empty any
remaining liquid into a container.
DO NOT proceed without emptying
the bowl.
CLEANING
The machine must be turned OFF and unplugged from the power source before cleaning.
CAUTION
Remove lid. Remove tap:
Press (1)
and pull
upwards (2).
Clean the lid and evaporators with a mild
detergent and a soft cloth or sponge. Rinse
with water.
Remove the bowl by gently lifting the front
until it unhooks. Then, pull the rear off of
the unit.
Thoroughly wash all other components using
the three sink method.
Extract the bowl gasket and mixer. Gently remove the mixer seal.
Put the
machine in
stop mode.
Extract drip tray
and air lter.
Clean the lter
with a soft, dry
brush.
Place the components on a clean surface
to dry.

13
NARVON SUMMIT
ASSEMBLY & RINSING
CLEANING
*
A
ssem
bl
e
mi
x
e
r
In
s
er
t
t
h
e
m
i
x
e
r
a
n
d
ro
t
at
e
t
i
ll
h
e
a
d
(
A
)
h
oo
ks
w
i
t
h
s
e
a
l
(
B
)
.
*
Ch
e
c
k
if
t
h
e
g
as
k
e
t
i
s
i
t
s
p
l
a
c
e
i
f
y
o
u
d
i
s
a
s
b
l
e
d
i
t
t
o
cl
e
a
n
.
Assemble drip
tray and air lter.
Clean the lter
weekly.
Slide the bowl back onto the unit and gently
push down until it hooks into place.
Assemble lid.
Assemble and lubricate the bowl gasket.
Lubricate the bowl hooks and the tap
seal wall.
Rinse:
Fill bowl
with water.
Mix mode
for 5
minutes.
Empty
bowl.
Place the mixer seal on the unit, then insert
the mixer and rotate until the head (A) hooks
with the seal (B).
LUBRICANT
Assemble the tap: Place the tap back on the
hooks and click into place.
1. To properly carry out the three sink method:
- Fill one basin with a neutral cleaning detergent mixed in lukewarm water.
- Leave one basin empty for rinsing
- Fill a third basin with sanitizing solution mixed in lukewarm water.
2. In the rst basin, Thoroughly wash all components in the mild cleaning detergent with a soft cloth or sponge.
3. Rinse all components in water
4. After rinsing, use a soft cloth or sponge to wipe down all of the components in the sanitizing solution, before rinsing
for a nal time

14 NARVON SUMMIT
The display warns about the possible problems. The alarm remains on the screen until the problem is solved.
WARNING LABELS
ALERT SOLUTION
HIGH TEMPERATURE: DIRTY FILTER 
VOLTAGE ERROR 
LEFT PROBE ERROR 
RIGHT PROBE ERROR 
COND. PROBE ERROR 
LIGHT ERROR 
Some parts of your machine must be replaced every six months and periodically (at least once a year/every twelve months)
by a specialized technician. This periodic maintenance is required in order to keep your machine running at peak condition.
Without maintenance, your machine's components can become worn or even defective. In case a component is worn, it
must be replaced by a new original spare part.
It is forbidden to use the machine when only one of its components is defective or worn.
Note: 6 and 12 month maintenance kits must be purchased to ensure the longevity of your machine.
Shaft Gasket
Tap Seal Bowl Seal Shaft Gasket Bushing & Gasket
Bushing & Gasket
These parts must be replaced every 6 months: (Use 378NSMAINT6)
These parts must be replaced every 12 months: (Use 378NSMAINT12)
MAINTENANCE

15
NARVON SUMMIT
Press and hold to enter USER MENU.
To navigate user menu, press:
to scroll down to next menu item
to scroll up to previous menu item
to select the menu item shown for adjustment
to select the menu item shown for adjustment
NOTE: In the event of a power failure, all settings programmed into the
control panel will remain the same.
The MAINTENANCE menu is to be accessed only by qualied service
technicians and is password protected.
See the following pages for programming options for these individual
menu items (Page 16-19).
Available Settings:
PROGRAMMING

16 NARVON SUMMIT
Slush thickness is adjustable from a level of 1 to 18. The higher the number, the thicker the frozen beverage consistency.
The factory default is 9.
IMPORTANT: When the thickness level is set to higher levels, the lid should be fastened to prevent it from opening
during operation.
The INSTALL menu is used to set up the unit during installation.
IMPORTANT: The AUTO FUNCTIONS feature cannot be active when performing the INSTALL procedure.
1. Press
and hold.
1. Press
and hold.
2. Press and
release.
3. Press. 4. Press.
Changes bowl selection (thickness setting blinks)
Saves changes and exits (press twice to exit user menu)
Increases/decreases consistency number
2. Press.
(Left Bowl Setting) (Right Bowl Setting)
PROGRAMMING
SLUSH THICKNESS
INSTALLATION

17
NARVON SUMMIT
Default language is English. Other languages available are French, German, Italian, and Spanish.
1. Press
and hold.
1. Press
and hold.
2. Press and
release.
2. Press and
release.
3. Press and
release.
Saves changes and exits (press twice to exit user menu)
Scrolls through language selections
3. Press.
4. Press. 5. Press.
(Record number)
PROGRAMMING
LANGUAGE
PREVENTIVE MAINTENANCES (RESET)

18 NARVON SUMMIT
Allows the unit to display the temperature in Celsius (C) or Fahrenheit (F). The default units may vary depending on
the version.
Resets the control panel to the factory default settings.
1. Press
and hold.
1. Press
and hold.
2. Press and
release.
2. Press and
release.
Toggles between C and F
Restores control panel to factory defaults
Saves changes and exits (press twice to exit user menu)
Exits to user menu with no changes
3. Press.
3. Press.
PROGRAMMING
TEMPERATURE SCALE
RESTORE DEFAULT

19
NARVON SUMMIT
Adjusts the intensity of the LCD display backlight. The default setting is 100%.
Turns the bowl lights ON and OFF. The default setting is ON.
1. Press
and hold.
1. Press
and hold.
2. Press and
release.
2. Press and
release.
Toggles between ON and OFF
Increase/decreases intensity level
Saves changes and exits (press twice to exit user menu)
Saves changes and exits (press twice to exit user menu)
3. Press.
3. Press.
PROGRAMMING
LCD BACKLIGHT
BOWL LIGHTS

20 NARVON SUMMIT
IMPORTANT: AUTOMATIC FUNCTIONS do not work correctly if the control panel time is not set correctly.
The date and time must be congured correctly to work with the AUTOMATIC FUNCTIONS.
Set the clock and date to the current time. See the SETTINGS section on Page 11.
AUTO FUNCTION:
Number of active program (1 to 3)
PROGRAMMING
AUTOMATIC FUNCTIONS
OFF
S2S3
S1
OFFOFF
OFF
S2S3
S1
OFF
S2S3 S1
OFFO FF S2S3
S1
OFFO FFOFF
1. Press
and hold.
When ON or OFF ashes: When S1, S2, S3
(cycle number) ashes:
Press to advance to
DEFROST/STANDBY
and change the time on slush
Time defrost starts
if you need it or
it will start to hail
Select number being changed
(number ashes)
Increases/decreases number setting
Save the changes and exit
(Press twice to exit the
user menu)
2. Press and
release.
4. Press and
release.
5. Press
twice
to exit.
3. Press.