Tefcold EXPRESS EX125C Instruction Manual Download Page 36 | Manualshive

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7

Cabinet Technical Details

In this manual all dimensions of technical drawings are given in millimetres (mm).

7.1

Side Elevations

TEFCOLD EXPRESS Vertical Refrigerated Display Cabinets (multi decks integral) offer ideal
solutions with their length options for display and sale of delicatessen, ready meals and prepacked
meat products.
TEFCOLD EXPRESS is a dynamic model with its stylish lines which surrounds and an ideal choice
for all types of applications from hypermarkets to express stores and convenience stores.
TEFCOLD EXPRESS is designed to make the products highly visible and easily accessible to the
customer.

7.1.1

Open Fronted CROSS SECTION

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Summary of Contents for EXPRESS EX125C

Page 1: ...TEFCOLD EXPRESS Vertical Refrigerated Display Cabinets Full Height Chilled Integral Multi Decks 2021 INSTRUCTIONS MANUAL ...

Page 2: ...1 2 5 Exterior factors for placing the cabinet 11 2 6 Cabinet Cleaning 12 2 6 1 Health Safety Warnings and Information 12 2 6 2 General Requirements to be ConsideredDuring Cleaning 12 3 Troubleshooting 14 3 1 Recommendation 14 3 2 Cause Recommended Solutions 15 4 Controls 17 4 1 How to Use CAREL PJEZC Temperature Controller 17 4 1 1 General Appearance 17 4 1 2 Introduction General Descriptions 17 ...

Page 3: ...e Descriptions 33 7 3 Refrigeration 34 7 4 Noise Breakout 34 8 Service and Maintenance 35 8 1 Access to fans 35 8 2 Access to drainage outlets 35 8 3 Access to cabinet electrics and controls 35 8 4 Condensing Unit Acccess 36 8 5 Refrigeration Electrical and Drainage Connections 37 8 5 1 Refrigeration 37 8 5 2 Refrigerant Charge Limits 38 8 5 3 Electricity 38 8 5 4 Plugs 39 8 5 5 Cabinet Lighting 3...

Page 4: ...10 6 Shelf profiling Fitting of accessories 46 10 7 Power Supply 49 11 Dismantling and Disposal 51 12 Maintenance 52 ...

Page 5: ...quest a copy of the manual from TEFCOLD by specifying the exact model serial number and year of manufacture This equipment is not intended for use by persons including children with reduced physical sensory or mental capabilities or by persons lacking the necessary experience and knowledge unless they are supervised by a person responsible for their safety who has instructed them on how to use the...

Page 6: ...to maintain nominal product temperatures above referring to EN ISO 23953 2 2015 in an ambient environment of 25 C dry bulb temperature and 60 relative humidity Class3 CLASS 3 Dry Bulb Temperature Relative Humidity 25 C 60 Dew Point Water vapour mass in dry air 16 7 C 12 0g kg Ambient environment tolerances are 1 C of the dry bulb temperature warmer than or equal to 24 C colder than or equal to 26 ...

Page 7: ...rom the refrigerator ventilate the room If it cannot beventilated leave the room In case of fire follow the fire safety instructions applicable to that location 1 6 Electrical Safety Tests EST Making a product safe requires an understanding of the hazards that exist in each electrical product Certain potential hazards are inherent in all electrical products because of the manner in which they are ...

Page 8: ...ance WHO WHAT REDUCTION Maintenance Personnel Electrical Shock Isolate before working Maintenance Personnel Falling whilst using isolator Correct use approved steps Cleaning cabinet WHO WHAT REDUCTION Cleaning personnel Strain Only lift single panels Cleaning personnel Scratch and impact Training in correct method Others in area Scratch and impact Clean when store closed Cleaning Fans and Drain Ar...

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Page 11: ...k products in front of them as this will cause the cabinet to overheat and stop working correctly Do not overload the shelves or block the grilles inside the cabinet The cabinet requires air space to allow the cold air to circulate around the cabinet to keep the productschilled 2 2 Shelf Loading for Proper Cold Air Circulation Always allow air space between the products in order to maintain cold a...

Page 12: ...xterior factors for placing the cabinet Ambient temperature and humidity values should not exceed 25 C DBT 60 RH Class3 EN ISO 23953 Horizontal air velocity measured in front of the cabinet shall lie between 0 1m s and 0 2m s Check the air conditioning ventilation and heating devices in the shop should be working efficiently Air stream and air intakes should not be directed towards the cabinet ope...

Page 13: ...mended that the drainage is kept clear and free running by pouring clean water down to drain every 3 months Rinse and remove water and debris using a wet vac Clean glass surfaces with using glass cleaning products Never use hot water on glass as this may shock the glass and cause thermal breakage i e shattering of glass due to sudden temperature change Stainless steel can be subject to surface dis...

Page 14: ...hen working inside the cabinet takes care not to damage any components such as fan blades or probes and ensure no strain is put on any cables Once a final check has been carried out to ensure the display cabinet is fully assembled the electrical isolator should be unlocked and turned on The cabinet will start to operate again The alarms can then be re activated double check that alarms are operati...

Page 15: ...e sold first Apply first in first out procedure Check the displayed foodstuff and the operation temperature of the cabinet regularly at least twice a day Replace the goods right away if any failure occurs on the cabinet If you find any fault parts move it right away burnt out LED lamps loosened parts etc Check the automatic defrosting of the cabinet regularly The draining of the defrost water and ...

Page 16: ...adhered or any other problem is occurred Call for technical assistance The refrigerant is not adequate in the circuit Call for technical assistance Setting parameters are wrong Check set value and other setting parameters Cabinet is overloaded or storage of products is wrong Check loading of products and analyse if any factor prevents air circulation The cabinet has no capability of refrigeration ...

Page 17: ... moving parts are loosened Check and tighten If it is necessary replace Fans are touching an object or connection screws are loosened Check if there is an object that touches the evaporator fans Fix it by tightening the loosened parts A failure in mechanical parts Call for technical assistance ...

Page 18: ...veloped for the management of refrigerating units display cabinets and showcases The structure of the parameters has been enhanced with new functions for more dynamic and effective management of the temperature control and defrost The most complete solution for low temperature ventilated units with three relays for complete control of the compressor fan and defrost functions 4 1 3 Display ...

Page 19: ...splay shows the message OFF alternating with the temperature measured by the set probe Set Point Setting Desired Temperature Value The easy easy compact and easy split devices control the desired temperature set point inside the cabinet or cold room directly and dynamically To view and modify the set point Press SET for 1 s the set value will start flashing Increase or decrease the value using UP ...

Page 20: ...ight output is not set H1 4 4 1 6 Alarms 4 1 7 Temperature Control The temperature in the appliance is registered by two temperature sensors which are located in the air flow after the evaporator Sair and on the evaporator S5 respectively 4 1 8 Liquid Management Liquid injection in the evaporator is controlled by capillary tubes ...

Page 21: ...e C F 2 2 r3 Select direct reverse operation 0 0 r4 Night time set point delta C F 0 0 C Compressor Parameters C0 Compressor and fan start delay on power up min 1 1 C1 Minimum time between consecutive compressor starts min 2 2 C2 Minimum compressor off time min 2 2 C3 Minimum compressor on time min 0 0 C4 Compressor on time with duty setting min 100 100 Cc Continuous cycle duration h 4 4 C6 Temper...

Page 22: ...1 external alarm 2 Enable defrost 3 Start defrost on closing 4 Curtain switch and night time operation 5 Remote ON OFF 6 Direct operation of AUX output with H1 3 7 Door switch with evaporator fans off 8 Door switch with evaporator fan and compressor off 9 Direct reverse operating mode r3 0 specifies the activation of the defrost control 10 Probe for dirty condenser alarm 11 Product probe 0 0 A7 Di...

Page 23: ... the master module parameter A4 must be set as 3 factory set Parameter A4 3 means defrost start pulse pressure via the signal received from master module This maintain simultaneous defrosting in the cabinets on the same multiplexing line Connect P3 connector of master cabinet to the P2 connector of slave cabinet to initiate common defrost see wiring diagrams Master cabinet initiate defrost for bot...

Page 24: ...6 Wiring Diagrams 6 1 TEFCOLD EXPRESS EX125C OPEN FRONTED ...

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Page 26: ...6 2 TEFCOLD EXPRESS EX187C OPEN FRONTED ...

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Page 28: ...6 3 TEFCOLD EXPRESS EX250C OPEN FRONTED ...

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Page 30: ...6 4 TEFCOLD EXPRESS EX125CD WITH DOOR ...

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Page 32: ...6 5 TEFCOLD EXPRESS EX187CD WITH DOOR ...

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Page 34: ...6 6 TEFCOLD EXPRESS EX250CD WITH DOOR ...

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Page 36: ...ons with their length options for display and sale of delicatessen ready meals and prepacked meat products TEFCOLD EXPRESS is a dynamic model with its stylish lines which surrounds and an ideal choice for all types of applications from hypermarkets to express stores and convenience stores TEFCOLD EXPRESS is designed to make the products highly visible and easily accessible to the customer 7 1 1 Op...

Page 37: ...2 Double Pane Glazing Door Hinged CROSS SECTION 7 1 3 Case Lengths Model Model Nominal Length Length Including Endwalls EX125C EX125CD 1250mm 1330mm EX187C EX187CD 1875mm 1955mm EX250C EX250CD 2500mm 2580mm ...

Page 38: ...s Maximum Allowable Shelf Depths mm Max Shelf Weight Load Maximum Allowable Shelf Weight Loadings kg Temperature Class Classification of Product Temperature in Compliance with EN ISO 23953 2 Foaming Agent Insulation Foaming Agent Fan Motor Set Speed Evaporator Fan Motor Speed rpm Gross Weight Maximum Weight of Cabinet for Transportation kg Electrical Supply Electrical Supply Requirement Volts phas...

Page 39: ...Refrigeration Type Refrigerants TEFCOLD EXPRESS Integral Incorporated Condensing Unit R449A Designation of refrigerated display cabinet families Application Temperature Positive To be used for Chilled foodstuffs Vertical Chilled multi deck VC2 R Remote condensing unit I Incorporated condensing unit A Assisted service S Self service H Horizontal V Vertical Y Combined C Chilled F Frozen M Multi temp...

Page 40: ...ts In order to access cabinet inner drainage remove deck trays drainage outlet can be seen This drainage outlet pipe is placed into the Condensed Water Tray Be sure that outlet of this drainage is placed into tray Periodically check water level of tray 8 3 Access to cabinet electrics and controls When working inside the electrics tray the electrical power supply must be isolated elsewhere as there...

Page 41: ...lift off panel and then pull toward yourself on sides which keeps the condenser compressor high low pressure switch can all be accessed from the front All servicing of the display cabinet refrigeration and electrical systems should be undertaken by qualified service persons having suitable knowledge of electrical and refrigeration systems ...

Page 42: ... that electric main supply is switched off Avoid any sparks generation Evacuate the Nitrogen N holding charge approx 3bar carefully then evacuate the systems at least 45 minutes Charge Refrigerant into the system Plug in the cabinet and run until setting temperature Do not add any oil to the Compressor Installation Instructions with Reciprocating Compressors System Evacuation It is recommended to ...

Page 43: ...ong time in case refrigerant is insufficient or leaking Otherwise the compressor will be overheated and damaged c Refrigerant charge must be strictly adhered to section 8 6 2 Above visuals are for example usage only 8 6 2 Refrigerant Charge Limits Cabinet Length mm 1250 1875 2500 Refrigerant Type R449A Gas Charges TEFCOLD EXPRESS EXC open fronted g 1620 2000 2x2200 TEFCOLD EXPRESS EXCD double pane...

Page 44: ...the supply cord is damaged it must be replaced by the manufacturer its service agent or similarly qualified persons in order to avoid a hazard 8 6 5 Cabinet Lighting TEFCOLD EXPRESS EXC cabinets have canopy LED lighting and TEFCOLD EXPRESS EXCD Door cases have Door and canopy LED lighting that helps to highlight merchandises placed in it Lights are controlled via manual lighting switch Electric bo...

Page 45: ... suitable forklift Care must be taken to place the forklift forks into appropriate areas underneath the cabinet Centre of gravity of the cabinets are not in the centre exactly and slightly close to the rear of the cabinets This makes cabinets unbalanced TEFCOLD undertakes no responsibility for damage caused by inconvenient transportation ...

Page 46: ...ully against to probable damages which are occurred during transportation b In case of the cabinet is non damaged to remove the cabinet and transport to the assembly section At least two person must escort to the cabinet during transportation c Toget out of internal parts from the cabinet and keep them in secure area until reusing Tocollect and classify packing materials of the cabinet and re cycl...

Page 47: ...n Pallet Remove packages of the cabinet Unscrew retaining screws wood from the wooden pallet with using proper instrument Case can now be lifted off using the correct lifting equipment Follow the foot adjustment to level case ...

Page 48: ...g should be done after removing the packaging The base plate at the bottom of the cabinet is removed By screwing the adjustable feet at the right and left the height of the cabinet is adjusted The feet can be adjusted 15mm using simple tools For adjustment a 32mm wrench is required Left right foot adjustment ...

Page 49: ...pirit level is located vertically as seen above pictures Bubble of spirit level must be positioned in the middle if rear front and middle feet are levelled correctly Or the spirit level is located horizontally as seen above pictures Bubble of spirit level must be positioned in the middle if rear and front feet are levelled correctly Cabinet levelling should be checked refer to the spirit level whi...

Page 50: ... right hand door is higher than left hand door If the bubble of spirit level is positioned on left hand side it means rear foot is higher than front foot To wind down the front foot with using proper wrench while monitoring the spirit level bubble As a result of this misalignment left hand door is higher than right hand door Foot adjustment and levelling of the cabinet is very important applicatio...

Page 51: ... require fitting on site Wall spacers are used to maintain proper gaps between the cabinet and construction wall for dispatching the air from condensing unit These wall spacers must NOT BE removed Wall sapcer is 70mm and require fixing to the rear of the case prior to positioning ...

Page 52: ...transporatation These need to be cut to allow access into the caes Both EXC open caes and EXCD glass door case are shipped with the brackets shlef strenghting bar and shelves fitted and again are retained by straps Remove the straps In the base of the case wrapped will be ticket strip glass front risers and for EXC open cases front weir glass ...

Page 53: ...brackets For every shelf two shelf brackets are delivered Distance between two shelves can be maintained according to the products that will be placed with 25 mm slot pitch Assembly of Shelf Product Risers Place the shelf risers and fit beiween the ticket strip and shelf edge Shelf risers are galss and wrapped please take care when removing protective wrapping Shelf position and maximum weight loa...

Page 54: ...lation between the upper shelf and the product in the devices with shelves Do not load in a way that prevents the cold air flow e g front suction zone For EXC Open case fit front galss weir risers Remove rsier from protective wrapping and slide in between the stainless steel reatiners left and riser and pus firm between case front and air return grill ...

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Page 56: ... is located on the bottom of the cabinet Do not need to remove front fascia panel in order to reach the controller and the isolator switch 10 8 Prolonged Cabinet Switch Off Remove the product contained in the cabinet and put it immediately in a relevant cold storage container in order to guarantee correct preservation Open the cabinet and wait for it to reach room temperature and then clean it Lea...

Page 57: ...materials composing the display case in accordance with the waste disposal provisions in force in your country so that they can be properly disposed of or recycled All recyclable materials and waste should be processed and recycled by professionals in compliance with the laws in the country in question The company responsible for recycling the materials should be registered and certified as a wast...

Page 58: ...neycomb Refrigerant leak check all pipework joints and components and check there are no rubbing parts Re assemble cabinet Check that the evaporator fans spin freely and there is no slack in the bearings Visually check wiring for damage Check power cable and plug Visually check flexible copper pipeworks for damage Visually check insulation of copper pipeworks for damage Re start the cabinet and en...

Page 59: ...TEFCOLD A S Industrivej 25 8800 Denmark T 45 8660 1933 E info tefcold dk TEFCOLD West Meadow Rise Castle Donington DERBY DE11 7BY UK T 01332 850090 E trade sales interlevin co uk ...

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