Hupfer CoolMultiMobil User manual

Read the instructions prior to performing any task!
CMM
CoolMultiMobil
Operating instructions

All texts, figures and graphic designs are protected by
copyright. Reproduction, distribution and issuing are permitted
for internal company purposes only. © Hupfer Metallwerke
GmbH & Co. KG, Coesfeld 2023
Hupfer Metallwerke GmbH & Co. KG
Dieselstraße 20
48653 Coesfeld
Telephone: + 49 (0) 2541 805-0
Email: [e-mail]
Internet: www.hupfer.com
Manufacturer information
Index: 1, en_GB
Document information
Last updated on: 07.08.2023

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CoolMultiMobil
Operating instructions
Table of contents
1 General information............................................................... 5
1.1 Product information......................................................... 5
1.2 Target group.................................................................... 5
1.3 Symbols.......................................................................... 6
1.4 Signs............................................................................... 6
2 Product description............................................................... 7
2.1 Function.......................................................................... 7
2.2 Overview......................................................................... 7
2.3 Equipment features......................................................... 8
2.4 Equipment options.......................................................... 9
2.5 Technical data................................................................. 9
2.6 Rating plate..................................................................... 10
3 Safety information................................................................. 11
3.1 Intended use................................................................... 11
3.2 Improper use................................................................... 11
3.3 Safety instructions........................................................... 11
3.3.1 General information............................................... 11
3.3.2 Transport................................................................ 12
3.3.3 Operation and use................................................. 12
3.3.4 Cleaning................................................................. 13
3.3.5 Maintenance.......................................................... 13
3.3.6 Safety devices....................................................... 13
4 Transport................................................................................ 14
4.1 Delivery........................................................................... 14
4.2 In-house transport........................................................... 14
4.3 Lifting.............................................................................. 14
5 Operating conditions............................................................. 15
6 Commissioning...................................................................... 15
7 Operation................................................................................ 16
7.1 Getting to know the user interface.................................. 17
7.2 Moving the unit................................................................ 18
7.3 Operating the fan-assisted cooling................................. 21
7.4 Pre-cooling the CoolMultiMobil....................................... 23

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CoolMultiMobil
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7.5 Keeping food cold........................................................... 23
7.6 Opening/closing the roller shutter................................... 24
7.7 Loading the unit.............................................................. 24
8 Care and cleaning.................................................................. 25
8.1 Cleaning intervals........................................................... 26
8.2 Permissible cleaning types............................................. 26
8.3 Permissible cleaning agents........................................... 28
8.4 Material compatibility...................................................... 29
8.5 Manual cleaning.............................................................. 29
8.6 Disinfecting..................................................................... 35
9 Maintenance and repair......................................................... 35
9.1 Maintenance intervals..................................................... 36
9.2 Error messages............................................................... 37
9.3 Troubleshooting.............................................................. 37
9.4 Repairs and spare parts.................................................. 38
9.5 Recommissioning............................................................ 38
10 Disposal.................................................................................. 38

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CoolMultiMobil
Operating instructions
■Servicing or repairing the electrical installation within the product
■Rectifying electrical faults
■Maintenance work on mechanical systems or trained activities on
the electrical, cooling or heating systems
■Simple repairs
■Appropriately trained employees of the customer or an employee of
the manufacturer
The operator or an authorised person must carry out the work.
■Check the condition of the entire unit
■Determine maintenance requirements
■Assembling, dismantling, servicing or disposing of a system within
the product
■Rectifying faults
1 General information
1.1 Product information
Product name CoolMultiMobil
Product types CMM 2/26 EN UK
CMM 2/26 GN UK
1.2 Target group
These operating instructions are intended for the following groups of
people who perform the listed activities with or on the product:
Electrician
Maintenance engineer
Operator
Refrigeration specialist

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1.3 Symbols
DANGER
“Danger” indicates a hazardous situation that will result directly in
death or serious injury.
WARNING
“Warning” indicates a hazardous situation that may result in serious
injury.
CAUTION
“Caution” indicates a potentially hazardous situation that may result in
minor to moderate injury.
NOTICE
“Notice” indicates a situation that may result in damage to property.
“Notes” give tips on the correct use of the product.
1.4 Signs
General warning sign
This warning symbol is attached at points on the product that present a
risk of accident and injury.
Warning of electric current
This warning symbol is attached at points on the product where the
electrical circuits are installed.
Warning of flammable substances
This warning symbol is attached to points where hazards are caused
by flammable substances.
Do not use pressure washers and steam cleaners
This warning symbol means that no steam cleaners or pressure
washers may be used on or around the product.

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CoolMultiMobil
Operating instructions
2 Product description
2.1 Function
The CoolMultiMobil is a mobile refrigerator for cooling and serving
meal components. The refrigerator holds meal components in con-
tainers or portioned on plates or in bowls on trays or grilles. The
fan-assisted cooling ensures that the food is cooled even when the
roller shutter is open.
2.2 Overview
Fig. 1: Overview of the CoolMultiMobil
1 Ergonomic handle
2 Tray insertion
3 Vent
4 Chassis with bumper strip
5 Fixed castor
6 Condensation collector
7 Swivel castor with lock
8 Inspection opening
9 Roller shutter
10 Mains plug
11 Control with operating component
12 Top with bumper strip

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2.3 Equipment features
Overall construction Self-supporting torsionally rigid structure
made of high quality stainless steel.
Double-walled housing isolated on all sides
with CFC-free, fire-retardant material.
Housing Housing with smooth stainless steel sur-
faces Hygienic interior with smooth stain-
less steel surfaces. Air baffles in the rear
and on the base can be removed for
cleaning the interior. Evaporator for refriger-
ation installed behind removable rear panel.
Impact protection Housing protected from damage by polymer
bumper strips round the entire chassis and
top. Protruding edges and attachments on
the housing also inside the area protected
by the bumper strips. Additional bumper
strip on the rear at 120 mm, level with
common kitchen appliances.
Interior With compartments for inserting trays.
Push-in racks and air baffles can be
removed for cleaning.
Refrigeration technology Cooled interior with two front roller shutters
that can be opened separately and inserts
for keeping food that needs to be refri-
gerated cold in accordance with HACCP
specifications. Powerful air curtain refrigera-
tion for cooling even when the front roller
shutters are open for portioning food. Fan-
assisted cooling for even and constant tem-
perature distribution on all levels of the inte-
rior.
Control Front with built-in operating and control
unit with digital temperature display, on/off
switch and buttons for setting the tempera-
ture.
Wheels Transport trolley wheels as per DIN
18867-8.
Swivel castors With locks, actuated locks prevent the
wheels from swivelling and turning.
Fixed castors Fixed wheels for easy travel in a straight
line.
Push bar A vertical push bar made of round stainless
steel tube on each corner of the housing.
Simple and ergonomic manoeuvring of the
transport trolley with two hands at any
handle height.
Roller shutter On the front of each compartment an alu-
minium shutter with handle for one-handed
use. Shutters can be opened separately
on each compartment. Polymer rails ensure
that shutters do not jam.

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CoolMultiMobil
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Condensate pan Stainless steel container under the chassis
as a collection pan for the small amount
of condensate that arises. Condensate pan
can be removed and emptied without tools.
2.4 Equipment options
Push-in racks ■Euronorm trays 530 × 370 mm
■Gastronorm trays/containers 530 × 325 mm
Swivel castors with direction lock The actuated direction lock fixes the wheels straight ahead, including
the central lock tread.
Central lock tread For simultaneous foot actuation of the central locking device or direc-
tion lock of the swivel castors.
Lighting Optionally two LED light strips for lighting the interior without glare. 2
LED light strips for lighting the interior without glare.
Lockable Each shutter has a triangular latch.
Mains plug ■Schuko plug, IP 44 (standard)
■CEE plug, 230 V, earthed, IP 44
■UK plug, type BS 1363
■Swiss plug, type 12, IP 44
2.5 Technical data
Model CMM EN UK CMM GN UK
Dimensions, total weight
Width1mm 1,114 1,114
Depth1mm 798 798
Height1mm 1,973 1,973
Weight1kg 230 230
Payload, total kg 320 320
Rail pairs
Tray dimensions -- Euronorm (EN)
530 × 370 mm
Gastronorm (GN)
530 × 325 mm
Quantity -- 2 × 13 2 × 13
Design -- Frames with welded
angle rails
Frames with welded
angle rails
Insertion style -- Lengthwise insertion Lengthwise insertion
Pitch mm 75 75
Payload per rail pair kg 12 12
Cooling
Refrigeration system -- Compressor: Compressor:
Refrigerant -- R290 R290
Refrigerant quantity g 110 110
Refrigeration capacity W 1,039 (-10°C VT) 1,039 (-10°C VT)
Climate classification -- N (Normal): +16°C to +32°C N (Normal): +16°C to +32°C
Required temperature control
range
°C +3 to +12 +3 to +12

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CoolMultiMobil
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Model CMM EN UK CMM GN UK
Electrical connection
Voltage V 230 230
Wattage W 600 600
Rated current A 16 16
Mains frequency Hz 50/60 50/60
Protection class IP X3 X3
Emissions
Sensitive waste heat w/h 1,600 1,600
Condensate quantity 1l/d ca.1 ca.1
Sound pressure level dB(A) the A-weighted sound pressure level is less than 70 dB(A)
1The figures are approximate values. Deviations are possible.
2.6 Rating plate
Fig. 2: Rating plate
1 Manufacturer and address
2 Type designation and product code
3 Order number
4 Total weight
5 Payload, total
6 Electrical connection
7 Model year
8 Product code as barcode
9 Electrical serial number
10 Induction frequency
11 Refrigerant
12 Refrigeration capacity
13 Protection code
14 Certification mark/CE label if available
15 Disposal of old appliances

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CoolMultiMobil
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3 Safety information
3.1 Intended use
The CoolMultiMobil is used to keep meal components cold and to
serve meal components in containers or portioned on dishes on trays
or grilles. Depending on the CoolMultiMobil variant, the rail pairs are
suitable for Gastronorm or Euronorm size trays.
Intended use includes following the prescribed procedures, complying
with the given specifications, and using the genuine accessories that
are provided or additionally available. Any other use of the transport
trolley is considered improper.
3.2 Improper use
Loading with warm or hot meal components is regarded as improper
use. The loaded food must not interrupt the air flow of the cooling
system. Trays and containers must be pushed in to the end position.
Objects must not be placed on the inner base of the unit without trays
or grilles. Vents must not be blocked. The unit must not be loaded
without pre-cooling. The unit must not be installed and operated out-
doors.
It may not be used for transporting living creatures. Persons must not
sit or stand on or in the unit.
In the case of improper use, the manufacturer and suppliers shall
assume no liability for resulting damage. Damage caused by improper
use shall result in loss of liability and of guarantee claims.
3.3 Safety instructions
3.3.1 General information
The unit may only be used in a technically sound condition, taking
risks and safety into consideration, for its intended purpose and in
accordance with the operating instructions.
Before each use, the unit must be checked for any visibly apparent
damage and defects. If damage occurs, immediately notify those
responsible and take the unit out of use.
Changes or conversions are only permitted after consultation and
written consent from the manufacturer.
The CoolMultiMobil can move off under its own weight and in an
uncontrolled manner if the wheels are not locked and the direction lock
not engaged.
Secure the stationary CoolMultiMobil with the locks to prevent it from
rolling away.
If the power supply cables are damaged, short circuits and electrical
contact may occur. Do not pull on the cable, grip the mains plug.
Disconnect the unit from the power supply before moving it.

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CoolMultiMobil
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3.3.2 Transport
If the unit needs to be lifted, only use lifting gear and load-bearing
equipment approved for the weight of the unit.
Only use transport vehicles that are approved for the total weight of the
unit.
The unit does not have any attachment points for eyelets or similar
lifting aids.
Always transport the unit upright if possible. It can be lifted using a
lifting platform, for example.
If the CoolMultiMobil is being transported, the unit must also be
secured. The locks on the wheels are not sufficient as transport
securing devices. They must not be braked during transport on an
HGV because the locking mechanism will be damaged by the forces
that occur.
Transport trolleys on which the direction lock has been released will
roll from side-to-side when in motion. Transport trolleys on which the
direction lock has been released can move off by themselves and
in an uncontrolled manner on inclined surfaces, e.g. loading ramps.
Only release the direction lock briefly when the transport trolley is at a
standstill and on level ground, e.g. to move it sideways.
3.3.3 Operation and use
The CoolMultiMobil may move off independently and in an uncontrolled
manner if the wheels are not locked. Secure the stationary unit against
rolling away.
Do not park on sloping ground. Only move transport trolleys with
the locks released. Moving with the locks engaged will damage the
chassis. The locks are not brakes. Only engage the locks when the
transport trolley is stationary. Only release the direction lock briefly
when the transport trolley is at a standstill and on level ground, e.g. to
move it sideways.
If the CoolMultiMobil is loaded with incorrect trays/containers, the con-
tainers may fall and cause damage. Load the CoolMultiMobil with the
appropriate trays or containers.
Falling crockery items, trays and containers can cause injury. The rail
pairs have no tilt protection. Slide trays and containers all the way into
the inserts. Pull the trays and containers all the way out. Trays and
containers that have been only partially pulled out can tip and fall onto
people during loading.
Only move loaded units with the roller shutters closed to prevent trays,
containers and crockery items from falling out.
Never try to catch a unit that is falling over. Transport trolleys are heavy
and can cause serious injury. Move the unit with foresight.
Water or condensation on the electrical system can cause short cir-
cuits, corrosion and damage to the unit. Pre-cooling of the CoolMulti-
Mobil must not take place in a cold room. Allow the CoolMultiMobil to
pre-cool in the environment in which it is to be used.

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CoolMultiMobil
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The mains plug must be freely accessible. In an emergency, discon-
nect the mains plug to de-energize the unit, e.g. if the unit is leaking
refrigerant.
The refrigerant is flammable. If the vents are blocked, the flammable
refrigerant will form a flammable air-gas mixture in the event of a
leak. Do not block the vents. Do not use any chemical aids or heat
sources to de-ice the unit. Do not damage the refrigerant circuit. Do not
operate any electrical devices within the cooling compartment except
for fans and LED lights from the manufacturer's range of spare parts
and accessories.
Do not store any explosive substances, e.g. aerosol containers with
flammable propellant gas, inside this unit.
3.3.4 Cleaning
During cleaning and maintenance work, the unit must not be in opera-
tion and must be de-energised. Pull out the mains plug.
If the electrical system comes into contact with water or condensate,
there is a risk of short circuits and damage to the unit. The CoolMulti-
Mobil must not be cleaned with pressure washers or spraying lances.
3.3.5 Maintenance
Troubleshooting may only be carried out by maintenance technicians.
Work on electrical equipment may only be carried out by electricians.
The work must be carried out in compliance with the rules of electrical
engineering.
Work on the refrigeration system may only be carried out by refrigera-
tion specialists. The work must be carried out in compliance with the
rules of refrigeration engineering.
3.3.6 Safety devices
Direction lock on the swivel castors. The direction lock must be acti-
vated when moving the cart and on sloping ground. Only release the
direction lock to move the cart sideways.

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CoolMultiMobil
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4 Transport
WARNING
Risk of crushing
Improper use or incorrect means of transport may cause the unit to
tip over, slip or fall. If not adequately secured, there is a danger of
serious crushing injury and damage to the unit.
−Secure each unit with appropriate transport securing devices
during transport.
−Fix the wheels in the “straight ahead” position.
NOTICE
Damage to the locks
The forces that occur during transport by lorry cause damage to
engaged locks.
−Secure the unit with a transport securing device.
−Release the locks during transport by lorry.
4.1 Delivery
Delivery is performed by a transport company, whose specialists are
responsible for securing the load during transport. At the place of
delivery, the transport cart can then be moved on its own wheels.
4.2 In-house transport
A lift must always be used for transport to another floor. The unit is not
designed to be pushed up or down slopes such as wheelchair ramps.
Note the instructions in chapter ⮫Chapter 7.2 ‘Moving the unit’
on page 18⮫‘Moving with the push handle’ on page 21.
Only use transport vehicles that are approved for the weight of the unit.
1. Close the roller shutters.
2. Release the locks.
3. Fix the wheels in the “straight ahead” position.
4.3 Lifting
The transport cart does not have any attachment points for eyelets or
similar lifting aids.
Always transport the transport cart upright if possible. It can be lifted
using a lifting platform, for example.

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5 Operating conditions
For installation and operation, the BG rule “Arbeiten
in Küchenbetrieben” (Working in kitchens) of the BGZ
technical committee “Nahrungs- und Genussmittel”
(Food and beverages) (BGR 111) BGR 500:2008-04
Chapter 2-35 must be observed, among others.
The unit requires unobstructed air exchange for
cooling and for electronics to function properly.
−Pay attention to the distance to the vents.
−Do not cover or move any vents.
1. Only move the unit over flat, dry and stable surfaces.
2. The unit should only be positioned on a level floor.
3. Secure the unit with the locks when stationary.
4. Make sure the vents are not blocked.
5. Position the unit a sufficient distance from heat sources and
steam-forming devices, e.g. ovens and bain-marie wells.
6 Commissioning
CAUTION
Risk of crushing
The transport trolley is heavy, and if it rolls away out of control, there
is a risk that people may be injured by being hit or crushed
−Each time you park the transport trolley, secure it against rolling
away with both locks.
−The trolley may only be parked on horizontal surfaces.
−Fix the wheels in the “straight ahead” position.
NOTICE
Instructing operating staff
Before commissioning, operating staff must be instructed on how to
use the unit correctly.

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NOTICE
Compressor damage
After delivery, the compressor oil must settle or compressor damage
will occur.
−Allow the unit to stand upright and undisturbed for at least 8
hours.
−Do not connect the unit to the mains immediately.
Help protect our environment. Separate the pack-
aging materials and recycle them. Dispose of:
−Packaging and foils in the (yellow) recycling bin.
−Cardboard boxes and paper in the paper recy-
cling bin.
Clean the unit thoroughly before first use (see cleaning instructions).
Check the functions of the unit:
■Functionality of all mechanical parts
■Functionality of the controls
■Connector plug and connecting lead
■Functionality of the cooling system
■Functionality of the locks
Free access to the mains plug of the unit is required for operation.
In an emergency, the mains plug can be pulled out of the socket to
de-energise the unit.
7 Operation
WARNING
Flammable refrigerant
A flammable gas is used as a refrigerant. In the event of a leak,
blocked vents will lead to an explosive mixture of air and gas.
−Do not block the vents.

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CoolMultiMobil
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WARNING
Contusion hazard
Transport carts rolling in an uncontrolled way may crush persons.
−Never leave the transport cart to roll unattended.
−Only drive uphill or downhill if you can control the transport cart. If
necessary, involve a second person.
−Only park the transport cart on level surfaces.
−Each time you park the transport cart, secure it with both locks
against rolling away.
−Fix the wheels in the “straight ahead” position.
7.1 Getting to know the user interface
Switch on the controls
As soon as the unit is connected to the power supply, the controls are
switched on.
Connect the unit to the power supply.
🡆The display shows OFF when the cooling is switched off.
🡆The display shows the current temperature when the cooling
is switched on.
The controls will remember if the cooling was switched on or off when
the unit is disconnected from the power supply.
Switching the cooling on/off
Press the on/off button
🡆The display shows OFF when the cooling is switched off. The
ventilation switches off.
🡆The display shows the current temperature when the cooling
is switched on.
The ventilation audibly switches on.
Switching the light on/off
Press the Lighting on/off button .
🡆The COOLING MODE display lights up.
🡆The display shows the current temperature.
Displaying the required temperature
Press the Set button .
🡆The required temperature is shown in the display.

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Setting the required temperature
1. Press and hold the Set button .
🡆The required temperature is shown in the display.
2. Select the desired required temperature using the corresponding
Up and Down buttons .
3. Release the setting button.
🡆The required temperature is now changed.
7.2 Moving the unit
WARNING
Flammable refrigerant
A flammable gas is used as a refrigerant. In the event of a leak,
blocked vents will lead to an explosive mixture of air and gas.
−Do not block the vents.
WARNING
Injuries caused by rolling away
The unit is heavy, and if it rolls away out of control, there is a risk that
people may be injured by being hit or crushed.
−Engage the locks when the unit is stationary.
−Only park the unit on level surfaces.
Engaging the locks
Swivel castors with locks can block the wheel from turning and swivel-
ling. When the locks on both swivel castors are engaged, the transport
cart is secured against rolling away.
Engage the lock as shown on the left.
🡆The wheel cannot turn or swivel.

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Releasing the lock
Release the lock as shown on the left.
🡆The wheel can turn and swivel.
Actuating the central lock tread
Optionally, the transport carts have a central lock tread. With the cen-
tral lock tread, the locks on both swivel castors are operated simultane-
ously. The central lock tread for the locks is marked [Stop.]
Engage the lock as shown on the left.
🡆The wheel cannot turn or swivel.
Releasing the central lock tread
Release the lock as shown on the left.
🡆The wheels can turn and swivel.

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Actuating the direction lock
WARNING
Contusion hazard
Transport carts on which the direction lock has been released roll
from side to side when in motion. Transport carts on which the direc-
tion lock has been released can move off under their own weight and
in an uncontrolled manner on inclined surfaces, e.g. loading ramps.
The transport cart is heavy, and if it rolls away out of control, there is
a risk that people may be injured by being hit or crushed.
−Activate the direction lock for the wheels.
−Only release the direction lock when the transport cart is at a
standstill and on level ground.
Optionally, the transport carts have a central lock tread. With the cen-
tral lock tread, the wheels are fixed straight ahead.
Lock the direction of the wheels as shown on the left.
🡆When the direction of the wheels is fixed, the cart is more
stable when travelling on longer routes.
🡆The direction lock snaps in audibly.
Release the direction lock
Only release the direction lock to manoeuvre in confined spaces, e.g.
to move the appliance sideways. Afterwards, reactivate the direction
lock.
Release the direction of the wheels as shown on the left.
🡆The wheels can move freely again.