Инструкция на Прецизионные кондиционеры Emicon ED.P-A SF с фрикулингом для телекоммуникационных объектов
Прецизионные кондиционеры Emicon серии ED.P-A SF с непосредственным испарением и системой естественного охлаждения (free cooling) для телекоммуникационных объектов: монтаж, пуск, эксплуатация и техническое обслуживание. Руководство по эксплуатации и обслуживанию. Документ на английском языке.
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Текст инструкции
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PRECISION AIR CONDITIONING UNITS WITH
DIRECT EXPANSION FOR TELECOM APPLICATION ED.P-A SF (Free-cooling System)
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Rev. 2 del 04/’09
TABLE OF CONTENTS 1 INTRODUCTION … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … Pag. 2 Pag. 2 Pag. 2 Pag. 2 Pag. 3 Pag. 3 1.1 1.2 1.3 1.4 1.5 Manual content … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … Safety marks … … … … … … … … … … … … … ……
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Rev. 2 del 04/’09
1 - INTRODUCTION 1.1 Manual content The present handbook, originally written in Italian, was completed in compliance with the “Machinery Directive”. It contains all the necessary information for carrying out without any risk transportation, installation, startup, operation, setting, maintenance and…
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Rev. 2 del 04/’09
1.4 Warranty The manufacturer warrants the Air Conditioning Units according to what stated on his general sales terms or according to what else explicitly agreed. The Manufacturer Warranty is void in case the guidance of this manual has not been carefully respected. The manufacturer refuses all…
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Rev. 2 del 04/’09
2.4 Dangerous areas The machine is closed by case panels, at the exception of the upper part on some models. The dangerous parts inside the unit are not accessible from outside. Only qualified and trained personnel is allowed to remove the covering panels because inside the unit there are parts with…
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Rev. 2 del 04/’09
Interpreting key for the initials used to mark the air conditioning units of the ED series UNIT TYPE: Direct expansion A = air with remote condensation TYPE OF CONDENSATION: P = air with in-built condensation UNIT COOLING CAPACITY NUMBER OF INDEPENDENT COOLING CIRCUITS FREE-COOLING SYSTEM AIR…
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Rev. 2 del 04/’09
As shown in the scheme in the previous page, the air conditioning units are classified according to the transfer path of the air inside the conditioning machine before being discharged into the working room at the desired temperature. The following pictures show the four possible different…
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таблицы и схемы — в просмотре
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Rev. 2 del 04/’09
3.2 Main components The units of ED series are made of the following main components: Ø The housing is made of galvanized steel sections covered with plastic-coated steel plate panels. The panels are provided with internal polyurethane plate covers to reduce noise.. Ø The units are equipped with…
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3.2.1 Cooling circuits
Air conditioning unit with inbuilt condenser and Free-cooling system serie ED.P SF 10 Rev. 2 del 04/’09
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Rev. 2 del 04/’09
Air conditioning unit with inbuilt Free-cooling system and remote condenser serie ED. A SF 11
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Rev. 2 del 04/’09
Cooling circuits key AC AIR HEAT EXCHANGER OT OIL RESERVE TWV 3-WAY VALVE AD AIR DISCHARGE VALVE PDIO OIL GAUGE VE EXPANSION VESSEL AV VIBRATION DAMPER PDSO OIL LEVEL PRESSOSTATIC VALVE VP EVAPORATOR BT1 REGULATING PROBE PDSW DIFFERENTIAL WATER SWITCH VT THERMOSTATIC EXPANSION VALVE BT3 FREE-COOLING…
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Rev. 2 del 04/’09
3.3 Specification The main technical features of the units are shown in the attachments. 3.4 Dimensional drawings The unit’s dimensions, ducts’ size and when foreseen (ED.A versions) pipes’ size to complete the cooling circuit are shown in the attached dimensional drawing. 3.5 Accessories The units…
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Rev. 2 del 04/’09
4 - INSTALLATION 4.1 Identification tag The data for the identification of the unit are marked on a permanent tag (Picture 1) attached both on the packing and inside the unit, close to the electrical panel. Pict. 1 The correct unit identification by means of the serial number is essential for the…
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Rev. 2 del 04/’09
4.3 Handling The handling of the unit must be carried out by expert personnel, equipped with appropriate equipment in relation to the weight and to the dimensions of the machine. During the handling operation, the machine must be always kept upright. The weight of some models is unbalanced: check…
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Rev. 2 del 04/’09
4.4 Arrangements and placing The installation of the machine is under the responsibility of the installer who must supervise the execution operations. The execution of a correct installation presupposes that a plan has been drawn up by an expert and that is carried out by skilled and trained…
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Rev. 2 del 04/’09
Before starting to handle the unit to position it, it is necessary to identify the best way to arrive to the place, taking into consideration the unit overall dimensions and weight, the available lifting equipment and any optional accessory dimensions. All units described in this manual do not need…
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Rev. 2 del 04/’09
Pict. 4: Piping diagram ED.A Contact the manufacturer, if the indoor unit is located at 10 m higher than the remote condenser. Indoor unit ED.A Remote Condenser Liquid line Discharge line The horizontal section of the discharge line must be realised with a slope not lower than 2% (2 cm / m) in the…
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Rev. 2 del 04/’09
The pipe installation must be performed by a skilled refrigeration technician. The piping path must be as shortest as possibile in order to reduce the quantity of refrigerant gas and oil circulating and to reduce the pressure drop. If copper pipes have to cross electric wires, it is advisable to…
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Rev. 2 del 04/’09
Table 1 ED. A 342-362 10 m M 12 L Fig. 9 40 m M L 16 10 M L 10 18 ØA ØB 12-18 22 18 412-442 452-482 492-532 542-572 Leq 20 m 1002 1102 Table key: Leq: L: M: øA: øB: Length of the piping (m) Recommended diameter for the liquid piping (mm) Recommended diameter for the discharge piping (mm) Diameter…
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Rev. 2 del 04/’09
4.6 Condensate drainage connection The air conditioning unit is provided with a stainless steel tank collecting the condensate generated during the dehumidification phase. The tank must be connected to the drainage collector by means of a flexible pipe having internal diameter of 27 mm. The pipe…
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Rev. 2 del 04/’09
4.8 Electric connections Before carrying out the connection of the unit to the power supply, it is necessary to carefully check the following: Ø the power tension and frequency are the same data as stated on the unit identification tag (Picture 1); Ø make sure there is no humidity trace inside the…
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Rev. 2 del 04/’09
4.8.1 Power supply connection (Pict. 5) The unit standard power supply tension is 400 V/3f/50Hz; on request, it is also possible to supply units with arrangements for special power supply tension (check the identification tag and the wiring diagram). The unit is normally powered with a 5-pole cable…
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Rev. 2 del 04/’09
4.8.3 Warning in case of connection to the terminal board when optional “ TE” is installed In case the unit is provided with optional TE (electronic thermostatic valve), pay the maximum attention to the spare battery power supply. “GB1” (spare battery) is an electronic device which guarantees a…
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Rev. 2 del 04/’09
Do not perform any holes in the cooling circuit, the complete rescue of metal particles produced would be then prevented. If excessive humidity persists inside the cooling circuit, negative consequences can arise. Humidity can freeze inside the thermostatic valve and can even clog it up, causing the…
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Rev. 2 del 04/’09
The unit is supplied with nitrogen pressure (20 bar). Therefore, if during the installaton it results that the cooling circuit is not pressurized, this means that there is a leak. It is necessary to detect it and repair it before going on with the installation operations. Before starting the circuit…
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Rev. 2 del 04/’09
d) Start up the unit, open the cylinder liquid valve and complete the charge (if needed, use more cylinders) until the sight glass located immediately after the filter drier becomes clear and does not present foam or gas bubbles during the operation in nominal conditions. In order to facilitate the…
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Rev. 2 del 04/’09
5 - OPERATION 5.1 First startup Before starting the unit, the following simple operations must be carried out. 5.1.1 Cooling circuit (ED.A, ED.P) Once all operations are completed as described in par.4.9 ‘Vacuum and charge execution of the system’, the unit is ready for the startup. Make sure the…
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Rev. 2 del 04/’09
5.1.3 Setup The setup must be performed when the unit is operating in conditions as close as possible to the nominal ones. Make sure: Ø The thermal load is adequate; Ø Doors and windows are shut; Ø Surrounding spaces are clean. Check the suction gas heating and, if needed, adjust the thermostatic…
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Rev. 2 del 04/’09
5.1.4 Microprocessor setting Make sure the desired thermal and humidity parameters are set on the microprocessor. If the preset parameters need to be changed, proceed as described in the microprocessor manual (see attachment). Standard units are designed to work with room temperature between 22 and…
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Rev. 2 del 04/’09
5.3 Troubleshooting TROUBLE POSSIBLE CAUSE CHECK / CORRECTIVE ACTION 1) The unit does not work A) The electric panel is not powered Check presence of electric tension; make sure the main switch is closed. Check fuses FUT and FUA Check the electric connections to the microprocessor 2) The unit does…
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TROUBLE
ED.P-A SF POSSIBLE CAUSE CHECK / CORRECTIVE ACTION A) Air to the condenser too hot Check the presence of any condensation air recycle G) Too hot water to the plate condenser Make sure there is no obstruction to the air flow in the finned exchanger coil (see par. Arrangements and placing) See trouble…
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Rev. 2 del 04/’09
5.4 Routine maintenance Air filter cleaning Condensate tank cleaning Condenser coil cleaning Humidifier cleaning Check of cooling lines and their insulation Compressor noise level check Fans noise level check Electric connection tightening check Contactor status check Check of duct insulation status…
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With axial fans
CR/CRS/CRU
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Rev. 2 del 02/’09
TABLE OF CONTENTS TABLE OF CONTENTS INDICE 1 WARNINGS … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … 2 TRASPORTATION … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … . Pag. 37 3 CHECKS FOR A CORRECT INSTALLATION … … … … … … … … … … … … … … … … … Pag. 37 4 WARNING FOR A…
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Rev. 2 del 02/’09
1 - WARNINGS Keep this technical manual all along the condenser’s life. Read carefully the manual before the installation and before any operation on the unit. Use the condenser only for the use it has been designed for: the manufacturer disclaims all responsibility in case of misuse. The…
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Rev. 2 del 02/’09
2 - TRANSPORTATION During the transportation, avoid to press the packing improperly and always keep it in the position indicated on it. Unpack the unit as close as possible to the place where it has to be installed. Once unpacked, avoid to hit the components. During the air conditioner installation…
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Rev. 2 del 02/’09
4 - WARNINGS FOR A CORRECT PLACING 4.1 Technical specification See the attached technical specification sheet. 4.2 Placing 4000 mm 800 mm 1000 mm Horizontal air flow Vertical air flow 0.3 B Minimum distance between units in open field 0.3 B A 0.5 B Minimum distance between units in presence of walls…
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Rev. 2 del 02/’09
5 - INSTALLATION For a correct installation, follow the tips here below: 1) Size properly the pipes in order to avoid as much as possible a pressure drop and a reduction of refrigerant speed, since both factors are essential for the oil drag. If necessary, an oil separator must be installed (3). 2)…
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Rev. 2 del 02/’09
The following table shows the necessary quantity of refrigerant for a correct charge of the different models of remote condensers. CR 8 CONDENSER MODEL CRS / CRU / REFRIGERANT CHARGE 0,8 kg 11 7 / 1,5 kg 14 10 / 1,2 kg 18 13 / 1,8 kg 2,9 kg 3,8 kg 4,5 kg 45 / 28 6,0 kg 46 35 / 7,5 kg 5,7 kg 53 / /…
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STEAM HUMIDIFIER
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Rev. 2 del 03/’09
INDICE INTRODUCTION … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … … Principle of operation … … … … … … … … … … … … … … … … … … … … … … … … … … … … Operation and unit components … … … … … … … … … … … … … … … … … … … … … Pag. 44 Pag. 44 Pag. 44 USE … … … … … … … … … … … … … … … … … … ……
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Rev.2 del 03/’09
1 - INTRODUCTION The humidifier described in this manual is an immersed electrode steam humidifier and it is equipped with the most advanced microprocessor technology. The operation is completely automatic and it can be employed in any geographical area since it is able to adapt its functioning…
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Rev.2 del 03/’09-UTI
STEAM HUMIDIFIERS 2 - USE 2.1 Main Warnings The electric components contained in the unit are powered. Only qualified and trained personnel must carry out any operations on the unit. The unit contains hot surfaces, in particular: ØThe steam cylinder can reach temperatures over 60°C; ØThe steam…
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Rev.2 del 03/’09
LIMIT VALUES OF SUPPLY WATERS WITH MEDIUM-LOW CONDUCTIVITY LIMITS FOR HUMIDIFIERS WITH IMMERSED ELECTRODES Hydrogenions Activity Min. Max pH - Specific conductivity at 20°C R 20 °C - Total dissolved solids TDS - Fixed Residual at 180°C R180 - Total hardness TH - 7 8,5 /cm 125 500 mg/l (1) (1) mg/l 1…
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Rev.2 del 03/’09
3 - SETTING The control CP4 is a microprocessor electronic card which is installed on the unit electric board when Emiro microprocessor is used. CP4 card is not present in case Emiplus microprocessor is installed, since CP4 functions are already integrated in Emiplus software. In this case, for…
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таблицы и схемы — в просмотре
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Rev.2 del 03/’09
3.8 Types of alarms TYPE DESCRIPTION Stop The card stops the humidifier Disabled The card stops the humidifier Pre - alarm The card does not stop the humidifier RE-START ( if what caused the alarm has been corrected) Manual: to re-start, switch on and switch off the card - Automatic - Manual: to…
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Rev.2 del 03/’09
3.9 Alarms description Alarm Red LED flashings Description and possible causes 2 short flashings Overcurrent at the electrodes: 1. water conductivity too high (usually when the unit restarts after a short stop) 2. high water level caused by a drain valve malfunction 3. high water level caused by a…
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Rev.2 del 03/’09
4 - GENERAL MAINTENANCE The routine maintenance operations refer to the steam cylinder replacement and to the yearly unit cleaning. Before starting any maintenance operation, disconnect the humidifier power supply. 4.1 Steam cylinder replacement This operation is necessary when the electrodes active…
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Rev.2 del 03/’09
4.3 Unit cleaning The unit must be checked and cleaned yearly. It is advisable to do it in summer when the unit stops working. Do not employ detergents or solvents to clean plastic components. Descaling washings can be carried out with a solution containing 20% of vinegar or acetic acid, then rinse…
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Rev.2 del 03/’09
55 - TROUBLESHOOTING TROUBLE POSSIBLE CAUSE No power supply Humidifier cannot start Controller connectors are not plugged correctly Fuses interrupted Damaged transformer Humidifier does not work Humidifier fills water without producing steam Remote ON/OFF contact open (relay/terminals AB- AB) on…
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Emicon A.C. S.p.a. reserves the right to make changes to tis products without any prior notice
Схемы, таблицы и рисунки — в просмотре документа выше. Клик по номеру страницы открывает её в просмотре.