Dora Metal DM-99006 User manual

EN - DORA METAL Spółka z o.o.
Edition 11.2017
INSTRUCTION MANUAL
CHILLING EQUIPMENT
COOLING MODULE
DM-99006
ISO 9001: 2000

EN - DORA METAL Spółka z o.o.
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Chilling equipment
This indicates information of particular importance for the user’s safety and correct use of
the device.
Before operating the device, please read and understand this instruction manual.
RULES OF CORRECT AND SAFE OPERATION
To ensure work safety and long-year and reliable operation of the device, follow the rules below:
 Make sure the personnel in charge of operation of the device is familiarized with rules of use of
electrical devices, safe work, and first aid in case of emergency
 Make sure the personnel in charge of operation of the device receive proper practical training
 It is forbidden to connect the device to the mains which checking beforehand for correct
installation of shock protection
 It is forbidden to connect the device to a wall socket without ground pin
 It is forbidden to wash, clean and repair the device when plugged to the mains
 Any repairs of the device can be carried out by personnel holding adequate qualifications and
following rules of correct replacement of damaged parts to identical ones
 The manufacturer cannot be held responsible for use of the device for purposes other than
intended/not in accordance with the instructions or recommendations
 It is forbidden to cover shutter of condensing unit chamber as this could affect correct
operation of the device. A minimum space in front of the shutter should be at least 1m
 The equipment should be operated at temperatures of up to 25ºC and up to 55% r.h. (Climatic
class 3). Rooms where display cabinets operate should be dry and aired.
 Exceeding of recommended work parameters can cause outdropping of water vapour on
external surfaces, failure to reach the lowest declared work temperatures and an increase in
electrical energy consumption
 If the device reaches its end of life, please remember to dispose of the device in an
environmentally safe manner. When performing works related to disposal and scrapping, please
follow specific local regulations in force. Before scrapping the device make sure to cut its power
cord.
 The device should not be used to store any explosive substances such as spray cans
containing flammable gases
 It is forbidden to store the device in rooms where subzero temperatures may occur.
 Please retain this manual for future reference, and make sure to hand it to any new user of the
device

EN - DORA METAL Spółka z o.o.
Chilling equipment
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TABLE OF CONTENTS
RULES OF CORRECT AND SAFE OPERATION .................................................................................................................................. 2
INTENDED USE .................................................................................................................................................................................... 4
OPERATION OF REFRIGERATION SYSTEM. ..................................................................................................................................... 4
SETTING CHAMBER TEMPERATURE ................................................................................................................................................ 4
MOUNTING PRODUCT ........................................................................................................................................................................ 5
PREPARATION FOR STARTUP. CLEANING AND MAINTENANCE .................................................................................................... 5
CONNECTING TO WIRING SYSTEM ................................................................................................................................................... 6
USAGE ................................................................................................................................................................................................. 6
TRANSPORT ........................................................................................................................................................................................ 7
TECHNICAL DATA ............................................................................................................................................................................... 8
Table 1. Cooling module DM-99006 ...................................................................................................................................................... 8
DATA PLATE AND F-GASES LABELS ................................................................................................................................................. 8
WIRING DIAGRAM ............................................................................................................................................................................... 9

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Chilling equipment
INTENDED USE
Cooling module manufactured by DORA METAL is within a group of professional chilling equipment. It
is designed to be mounted under a granite plate to cool its surface which used for a short-term display of
cold snacks, desserts, etc. and products in GN containers, and keeping them at cooling temperatures.
Note: The cooling module is not intended for mounting in products designed for display of products on
ice.
It can be used in restaurants, salad bars, pizzerias, etc. where it is necessary to display chilled foods to
retain their taste, aroma and appearance.
OPERATION OF REFRIGERATION SYSTEM.
The device works in a single compression refrigeration cycle. The refrigeration system is filled with
environmentally-friendly refrigerant approved for use by the regulations in force (see data plate). The
expanding element as a capillary tube is used.
SETTING CHAMBER TEMPERATURE
Control and readout of work parameters is possible by means of a digital controller with display. The
controller is programmed so the device reaches work temperature as given in technical data.
LAE CONTROLLER
BASIC OPERATION
Depending on version of the cooling device, the power can be switched on
using key switch found on control panel of the device, or by pressing
button on the controller. When the device is turned on, the display of the
device will show air temperature in the chamber.
To set a required temperature in the chamber:
 Short press the button to display the set temperature.
 By holding the button, and using & buttons, set a desired parameter value (the value must
be within SPL & SPH values)
 Once the button is released, a newly set value is saved.
ADDITIONAL INFORMATION
Defrosting:
During operation of the device, at regular time intervals “DEF” message is displayed, which means that the device
operates in cooler defrosting mode. The defrosting cycle and its duration is defined by the manufacturer of the device
and user cannot modify this parameter. If additional defrosting of cooler caused by difficult working conditions is needed,
press and hold the button for 2 seconds. The display will show “DEF”. Defrosting will end automatically once time
or temperature set by the manufacturer is reached.
Alarms:
Meaning of messages which can be appear on the display:
E1 - Damage of chamber temperature sensor.
E2 - Damage of evaporator temperature sensor.
DEF - Enabled defrosting cycle (see Defrosting)
CL - Warning on the need to clean the condenser
Attention! CL message
Turning off CL reminder on the need to clean the condenser
(every 4 weeks):
- press the button until CND message is displayed,
- then, while holding the button, press the button.
After this the CND parameter will be reset, and the cycle will start again.
ATTENTION! Key lock
A very common mistake made by users, is to cause an unintended key lock, which makes menu of the controller
inaccessible. Failure to check setting of the key lock option results in sending the controller to the dealer as “damaged”.

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Chilling equipment
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While key lock allows the user to avoid any undesired and potentially hazardous tempering with, if the controller is
installed in a publicly accessible place. To disable key lock, in INFO menu, set LOC=YES parameter. To activate the
keyboard again, set LOC parameter to NO.
Unlock keyboard
- press the button until LOC message is displayed,
- then, while holding the button, press the button.
- to exit this menu, press the button or wait 10 seconds.
MOUNTING PRODUCT
Place the granite plate with cooling module mounted on a support structure (framing, cabinet, etc.)
Control panel of the device is suitable to be mounted in a support structure or decorative structures.
Dimensions of mounting hole for control panel: 125x75. Make sure to install control panel cover on the
inside.
When encasing devices make sure that adequate ventilation of the unit is provided. In the encasing,
opposite the condenser, drill ventilation (through) holes to ensure free movement of cooling air for the
condenser. The area of holes ensuring free movement of cooling air should not be smaller than the area of
outline of the condenser. Make sure to position the unit at least 25cm from the wall.
PREPARATION FOR STARTUP. CLEANING AND MAINTENANCE
Commissioning and maintenance can be carried out by personnel in charge on condition the below
recommendations are strictly followed. The manufacturer will decline all responsibility for any operations
performed on the device without following recommendations herein.
Before any maintenance works, make sure the device is disconnected from power supply. Do
not remove any protection systems.
Before commissioning remove protective foil. Clean external and internal surfaces using warm water
with degreaser for washing kitchenware, with a soft cloth, following the polished direction, rather than in
Mounting sequence:
1. Before foamed housing is mounted, bond discharge pipe in granite plate.
2. Spread thermal-conductivity compound evenly over the aluminium plate,
leaving 20mm space from edge of the plate.
3. Apply adhesive on free space of the aluminium plate.
4. Bond the housing to the granite plate and bolt using bolts M6 + serrated
washers.
Granite plate
Foamed housing
Tube  20x2 L=100
Detail A
Thermal-conductivity compound
Adhesive
Aluminium plate
Sikaflex-11FC
adhesive
Serrated washer
Bolt M6
Adhesive

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Chilling equipment
rotary movements. Remove the protective foil slowly to make sure no glue is left. However, if any glue is left,
remove it using an appropriate non-corrosive solvent, and then rinse with water and wipe dry.
For daily cleaning, use neutral soap, glass cleaners or liquid bio-degradable 90% detergent (to minimise
the amount of pollutions removed to the environment), and a soft cloth, following the polished direction,
rather than in rotary movements.
Do not use scouring agents, materials with steel wool which could scratch the surface and
agents containing aggressive acids. When washing, use a damp cloth, rather than water
stream.
Once washed leave the device to dry before plugging it to the mains.
The device should be placed away from any sources of heat, in location not exposed to direct
sunlight.
CONNECTING TO WIRING SYSTEM
The device is constructed in accordance with corresponding directives and harmonized standards:
- Low Voltage Directive 2006/95/EC
- EMC Directive 2004/108/EC
- PN-EN 60335-2-89, PN-EN 60335-1 Standards
- PN-EN 55014-1, PN-EN-55014-2, PN-EN 61000-3 Standards
The device is suitable for connection to the mains 230V 50Hz and should be powered from a separate
low-voltage circuit. A grounded wall socket must be fitted with shock protection selected in accordance with
requirements of local standards and regulations based on parameters on the data plate. Parameters of
residual current circuit breaker (RCD) should be selected according to the current value shown on data plate
of the device. The devices are fitted with flexible power cord type HO5VV-F (3x1.5mm², including protective
conductor). If the power cord is found damaged, have it replaced by a service technician or a qualified
person holding adequate qualifications
The devices are fitted with a terminal for connection of external equipotential bonds marked with .
Before the device is connected, check for correct connection and function of equipotential bonds in
accordance with PN-IEC-60364-4-41
The device can be started only after the function of shock protection is confirmed based on
measurement results taken in accordance with regulations in force.
The device can be connected to the wiring system only after the system is found to meet the above
requirements. To connect the device, put the power cord plug to a wall socket. The device prepared in such
manner is ready for operation.
When in transport the device can be tilted from the vertical by an angle greater than 30  ,
therefore before it is connected to the mains, please wait about 3  4 hours. Otherwise
condensing unit can be damaged.
USAGE
The device is designed for cooling of surface for display of products chilled beforehand.
Display time of products depends on their initial temperature and ambient temperature which should not
exceed +25ºC.
After operation is over, make sure to turn off the device, and put the products in undercounter
refrigerators.
Before operation wipe dry the display surface with a cloth or sponge to remove water being result of
defrosting, and then chill the chamber, and put the chilled products afterwards.
All settings necessary for a normal operation of the device have been carried out by the manufacturer.
Temperature of the chilled space and work cycle of the unit are subject to change. They depend on
ambient temperature, amount of fresh products placed, and external heat flow. Therefore it is necessary to
avoid putting warm foods with temperatures exceeding storage temperatures considerably. Since, it can
extend time of chilling of products considerably.

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Make sure to fill the chilled space for the first time only after it is chilled to a work
temperature. Also follow this rule in the case of a longer shutdown.
Periodically it is recommended to have a shutdown of the device to clean its interior, ensure a natural
defrosting of the condenser and clean the condensing unit.
Before the above operations are carried out, make sure to turn off the device with power switch and
unplug the power cord from the wall socket.
To clean the condensing unit, remove ventilation grille from the encasing or the support structure.
Do not use water stream to clean the device
Make sure to clean the condensing unit no less than once a month. This should be carried out using a
soft brush or a vacuum.
The manufacturer cannot be held responsible for damage of the condenser resulting from
failure to keep the condenser clean!
All settings necessary for a normal operation of the device have been carried out by the manufacturer.
It is strictly forbidden to tamper with system parameters of the controller as this can have
very serious consequences, including damage of products and failure of chilling device.
The device is equipped with automatic condensate evaporation.
TRANSPORT
The manufacturer ships the device on a pallet, protected with card-board angles and foil. Make sure to
protect the device against moving before transport.
Transport the device in target working position. After reception of shipment (before unpacking) check if
there are no transport damages. If any damages are found, report them to the carrier immediately. In no
case should the damaged device be returned to the manufacturer without notice, and without his written
consent.
The manufacturer shall not be held responsible for the device damage during transport.

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Chilling equipment
TECHNICAL DATA
Table 1. Cooling module DM-99006
Data Catalogue Number
DM-99006
Dimensions
width mm 718 ÷ 1968
depth mm 530 ÷ 680
height mm 590
Temperature adjustment
range
OC 0...+10
Cooling gravitation
Power supply V/Hz 230 / 50
Power
Data on data plate
Type of refrigerant
Amount of refrigerant
Climatic class
Compressor type
DATA PLATE and F-GASES LABELS
Data plate for Cooling Module DM-99006
ATTENTION: CONTAINS FLUORINATED GREENHOUSE GA
SES
Device/ product containing or relying on fluorinated greenhouse gases
In accordance with (EU) No. 517/2014 and (EU) No. 2015/2068
Refrigerant:
R134a
GWP / ODP:
1430 / 0
Amount of factory
filled refrigerant:
0.3 kg
CO
2
equivalent:
0.43
Added amount o
f
refrigerant:
__ kg
CO
2
equivalent:
__ t
Total amount of
refrigerant in the
circuit:
__ kg
CO
2
equivalent:
__ t
Hermetically sealed
device:
Yes
Hazard statements:
H280: Contains gas under pressure; may explode if heated.
H314: Causes severe skin burns and eye damage.
Precautionary statements:
P273: Avoid release to the environment.
P403: Store in a well ventilated place.
P502: After recovery deliver the contents to the PROZON
Foundation for Climate Protection.
Rated voltage
Current frequency
Rated current
Max illumination
Heating system power
Factory no./year of manufacture
Weight
Climatic class
Unit type
Refrigerant
Product name and type
Product
designation
Manufacturer data
Temperature range
Weight of refrigerant

EN - DORA METAL Spółka z o.o.
Chilling equipment
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WIRING DIAGRAM
Czujnik komorowy - Chamber sensor
Czujnik parownikowy - Evaporator sensor
AGREGAT SKRAPLAJĄCY - CONDENSING UNIT
OZNACZENIE KOLORÓW PRZEWODÓW - WIRING COLOURS
Barwa - Colour
niebieska - blue
brązowa - brown
zielono-żółta - green-yellow
Kod literowy
-
Letter code

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Chilling equipment
DORA METAL Sp. z o.o.
ul. Chodzieska 27
64-700 Czarnków
Telephone [phone]
Fax [phone]
http://www.dora-metal.pl
e-mail: [e-mail]
[e-mail]
Service tel. [phone]
Information herein is subject to change by DORA METAL without prior notice. No part of this document can be reproduced or copied in
any form or with use of any means, without a written consent given by DORA METAL
Copyright © 2017 by DORA METAL Sp. z o.o.
All rights reserved.