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LU-VE ALFA Optigo SFMD, Оригинальное руководство пользователя

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LU-VE ALFA Optigo SFMD Скачать руководство пользователя страница 20

31515694EN-02

20

Alfa LU-VE is a trademark registered and owned by LU-VE Group. 

Alfa LU-VE reserves the right to change specifications without prior notification. 

Always disconnect power supply before handling 

heater elements.

Disconnect drain line. Remove fixing bolts and 

open the drip tray (F) and the bottom plate (G). 

Open side covers. Remove fixing clips (T), 

disconnect heater elements from connection box 

(P) and extract elements (E). 

Mount new elements in reverse order, close side 

covers and restore electrical connections.

7.6  Electric defrost elements replacement

1

1

1

1

2

3

3

4

4

F

G

E

T

T

F

P

Содержание ALFA Optigo SFMD

Страница 1: ...ORIGINAL INSTRUCTIONS 31515694EN 02 Optigo SFMD Instruction manual Product description Product labels Unpacking lifting Installation Maintenance Spare parts ...

Страница 2: ...guration 6 2 3 Options 6 2 4 Code description 7 3 Product labels 7 4 Transport and storage 9 5 Unpacking and lifting 10 6 Installation 12 6 1 Mounting dimensions 12 6 2 Mounting bracket 13 6 3 Technical spaces 13 6 4 Refrigerant connections 13 6 5 Cooler capacity test 14 6 6 Drain line 14 6 7 Electrical connections 15 6 8 Fan motors connections 16 6 9 Fan motors connections 16 6 10 Defrost 17 6 11...

Страница 3: ...clared to be in conformity with the EC Machine Directive 1 3 Where to find product information Detailed technical data for individual product models are available in order related documents on the product label and in product data sheets Comprehensive technical information for all Alfa LU VE air heat exchanger products is available on line on alfa luvegroup com This includes Product manuals Instru...

Страница 4: ... pressure could rise and exceed the design pressure It is not permitted to use the heat exchanger for any purpose other than the one it was designed for by Alfa LU VE If the equipment is used in the food industry responsibility with regard to hygienic conditions lies with the end user 1 6 Use of flammable gas The product must be stored and installed in rooms where the use of open flames or other i...

Страница 5: ...and supplied with a slight overpressure Prior to installation the leak resistance must be checked with the Schrader valve Any present damage must be reported on the delivery note with a description of the damage Damaged heat exchangers including when the damage is not externally visible are to be reported to the shipping agent and Alfa LU VE within 24 hours 1 8 Return of unused heat exchangers Air...

Страница 6: ...35 2 40 R 32 R 1234YF R 1234ZE E R 444A R 444B R 447B R 451A R 451B R 452B R 454A R 454B R 454C R 455A Design pressure 24 bar Capacity SC2 with R404 1 47 up to 14 57 kW Air inlet temperature 25 to 30 C Fluid inlet temperature 40 to 20 C 2 2 Standard configuration Innovative coil manufactured from internally grooved Cu tubes and aluminium fins Optigo SFMD coolers are available with 1 to 4 fans All ...

Страница 7: ...3 4 5 6 7 8 9 10 1 Optigo SFMD A2L safety compliant dual discharge commercial air cooler 2 Casing type 1 to 4 3 Number of fans 1 to 4 4 Coil type 1 2 5 Fin spacing 3 3 0 4 4 5 7 7 0 mm 6 Defrost system N air defrost E electric defrost 7 Packing BP box pallet CR crate 8 Fin material AL aluminium AP pre painted aluminium 9 Tube material CU copper 10 Options 3 Product labels 1 Flammable gas Use of fl...

Страница 8: ...g spare parts as they identify the unit PED Category According to PED Fluid Refrigerant Volume Coil Volume Ts Range of operating tem peratures for the coil Max Pres Max working pressure No Motors Number of fans Air defrost A2L A1 refrigerant group Electric defrost R 32 R 1234YF R 1234ZE E R 444A R 444B R 447B R 451A R 451B R 452B R 454A R 454B R 454C R 455A A1 Product code Product serial nr Fluid ...

Страница 9: ...tinuous vibrations during transport These may cause damage to the product If required con sult Alfa LU VE and disassemble during transport any parts that are likely to be set into vibration Air heat exchangers must be adequately fixed on the transport vehicle If temporary storage of the heat exchanger is required the following points should be observed Store the heat exchanger in its packing in a ...

Страница 10: ... cooler or fall ing of the unit ensure that the lifting forks cover all beams from the lower support pallet Casing type 1 and 2 models packed with card board box must be turned Place the unit on the ground and manually turn the air cooler into mounting position on a second wooden pallet Keep the packaging material in place to prevent the drip trays from damaging Packed air coolers may be stacked d...

Страница 11: ... the finned coil Utilizing the proper wooden transport beams and or pallets prevents the cooler bending at the extremes such that the cooling circuit or other components are damaged Lift the unit to mounting position and secure following instructions given in chapter 6 Installation After having secured the cooler the forks may be lowered and the remaining packag ing materials can be removed Casing...

Страница 12: ...during defrost For air coolers with copper tubing this figure runs up to 1 65 mm per meter cooler length All heat exchangers must be set up level Weight information are listed on the product label and or in the relevant product documentation Detailed drawings showing all required mounting and refrigerant connection dimensions are available available for download on alfa luvegroup com Dimensional d...

Страница 13: ...be dissipated depends on receiving the full design air volume at the design entry air temperature which allows this air to be freely dis charged after passing through the heat exchanger Any restrictions may impair the performance of the cooler If in doubt please check with Alfa LU VE 6 4 Refrigerant connections All pipework and connections must be made in accordance with good refrigeration design ...

Страница 14: ...est 6 6 Drain line Check all drain lines and drip trays to ensure that no improper material such as e g packaging material blocks the drain Close the drip tray and connect the drain tubing O to the drain connection N Ts1 cold room air inlet temperature Te evaporating temperature It is related to the refrigerant pressure on the unit cooler outlet Trs refrigerant superheat temperature on suc tion li...

Страница 15: ...nt to run for at least 4 hours This procedure should be carried out at least once every 4 weeks until the heat exchanger is fully operational It is up to the end user to verify the conditions for protection by auto matic disconnection of supply according to applicable standards Heat exchangers are designed for TN power systems The insulation fault protection must be part of power supply of the hea...

Страница 16: ...ssure in the heat exchanger from exceeding the design pressure 6 9 Fan motors connections The maximum load of the motors and the recommended settings for the overload relays are to be respected The electrical control circuit should be arranged with a manual reset device in order to prevent continuous on off switching tripping of the motors Suppliers and manufacturers of electri cal motors provide ...

Страница 17: ...ds This setting is to be refined through trial and error according to the actual defrost requirements depending on cooler model size and working conditions If the defrosting cycle is terminated via a temperature sen sor close attention must be taken in positioning the thermostat sensor The temperature sensor is usually set at a value between 10 C and 15 C In general it should be positioned where t...

Страница 18: ...tification 6 11 Electric defrost connections Casing type Electric defrost no W x1 W tot 1 2 900 1800 2 2 1600 3200 3 2 2350 4700 4 2 3100 6200 FHD FHD EB optional 200 W 1 230 V 50 60 Hz STANDARD OPTIONAL Remove the bridge 3 N 400 V 50 60 Hz FHD Electric defrost E EB Driptray heater HD FHD EB FHD PE L1 N N L1 L N PE FHD EB FHD L2 N PE L1 PE L1 N N L1 ...

Страница 19: ...on operation A lesser known problem is that small amounts of moisture in the refrigeration sys tem can after a time cause leakage through the formation of frost clumps These frost clumps are the result of moisture seeping from the refrigeration system during defrost as water seeps into the soldering seams and then freezes resulting in a volume increase This process repeats itself during each freez...

Страница 20: ...efore handling heater elements Disconnect drain line Remove fixing bolts and open the drip tray F and the bottom plate G Open side covers Remove fixing clips T disconnect heater elements from connection box P and extract elements E Mount new elements in reverse order close side covers and restore electrical connections 7 6 Electric defrost elements replacement 1 1 1 1 2 3 3 4 4 F G E T T F P ...

Страница 21: ...ns and as experience dictates for any dirt build up and or unusual vibration which could ulti mately cause damage to the fan or to the heat exchanger itself Ensure complete electrical isolation before removing fan guards Fan blades should also be checked for any erosion or corrosion and remedial action taken as necessary All dirt and other contamination should be removed to avoid imbalanced runnin...

Страница 22: ...hot Use reliable protection Working fluids Working fluids might be toxic and or flammable These substances may only be handled by qualified staff while taking all necessary precautions and following any applicable regulations Fan vibrations Continuous fan vibrations can cause material failure and hence a risk of injury or damage due to loose parts Therefore vibrations must be reduced to a minimum ...

Страница 23: ...e specifications without prior notification 10 Spare parts Spare parts Optigo SFMD 1 Fan guard 2 Fan motor 3 Drain tray kit 4 Electric defrost 5 Side cover hairpins side 6 Side cover connections side 7 Driptray heater optional not shown Contact your local Alfa LU VE representative for spare parts order and assistance ...

Страница 24: ...alfa luvegroup com ...

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