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Safety and User Instructions

Row

-DENCO

20

FläktGroup DC-2014-0106-GB 2019-02/R3 • Subject to modifications

4.8

Safety devices

Depending on the unit equipment, the following components are secured:
– Padlock in the door-stop device (TAS) on each door
– Locks of switch cabinet
– The panels and doors with lockable handles
– Fan chambers are secured by door protection grilles
– V-belt drives are secured by belt guards

Ensure by others on site that the contact protection for intake and discharge fittings is
provided.

4.9

Modifications and changes

Changes, alterations or modifications of the unit are not allowed. Tampering with the
unit or its misapplication will invalidate the CE conformity and void warranty.

If delivered units are disassembled by others on-site, the factory warranty is rendered
invalid. In this case professional services by FläktGroup should be arranged in
advance.

4.10 Spare parts

Only original FläktGroup spare parts are allowed, since FläktGroup is not liable if third-
party spare parts are used.

4.11 Disposal

Equipment, operating supply materials, components and filters must be disposed of
according to the material type in a safe and environmentally friendly manner.

4.12 Selection and qualification of personnel

Ensure that every person working on the unit has read and understood entire operation
manual. Please read this document fully before commencing any work, and not while
performing a task.

All jobs must only be carried out by qualified licensed staff or other individuals with
proper professional training and experience in the following areas:
– Occupational health and safety regulations
– Accident prevention regulations
– Directives and recognized codes of practice

All jobs with the refrigeration circuit shall be performed only by certified and licensed
staff in accordance with the valid EG Regulation 842/2006 Article 5, EG Regulation
303/2008 Article 4 and 5 as well as "Ordinance on climate protection against changes
caused by release of certain fluorinated greenhouse gases" Article 5, passed by the
German parliament.

All skilled staff must be able to assess the entrusted work and must be able to recog-
nize and avoid all associated dangers.

Personal Injury and Damage to the Unit!

It is not allowed to operate FläktGroup units:

– in areas subject to explosion risk
– in environments with strong electromagnetic fields
– in environments with high levels of air contamination
– in environments with corrosive and/or aggressive air

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Содержание Row-DENCO DRC 020

Страница 1: ...Row DENCO OPERATION MANUAL ...

Страница 2: ...20 4 11 Disposal 20 4 12 Selection and qualification of personnel 20 5 Technical Data 21 5 1 Row DENCO DX rack cooler 21 5 2 Row DENCO CW rack cooler 22 5 3 Operating limits 22 6 Receipt Transport and Handling 23 6 1 Transport 23 6 2 Receiving the unit 24 6 3 Storage 24 6 4 Standard packaging and packaging with wooden crate optional 25 7 Dimensional Drawings 26 7 1 DRX 051 071 121 300 X 1000 X 42U...

Страница 3: ...SENA E04 65 10 12 Energy monitoring optional 66 10 13 Dual power supply optional 66 10 14 Humidifier 67 10 15 Maintenance 72 11 Maintenance 74 11 1 Cleaning the air filter 74 11 2 Checking and cleaning the condenser coils 74 11 3 Checking and cleaning the drains 75 11 4 General examination of operation 75 11 5 Visual check of the condition of the pressurised containers 75 12 Troubleshooting 76 13 ...

Страница 4: ... plate is positioned on a panel inside the unit and provides the following information model and serial number of the unit power supply voltage phases and frequency power consumption of the unit current draw of the unit FLI Full Load Input FLA Full Load Current and LRA Locked Rotor Current FläktGroup Deutschland GmbH FläktGroup Deutschland GmbH Company name Max operating pressure high and low pres...

Страница 5: ...by the Packaging label Showing the data identifying the product Rating plate Showing the unit technical and performance data If this is lost ask After Sales Service for a replacement NOTE Tampering with or the removal or absence of rating plates or other means enabling the unit to be identified causes problems during installation and maintenance ...

Страница 6: ...ENCO D R X 3 0 X X A 5 Product range Cooling system Dimension Unit size Series Power supply DR Row DENCO C Chilled water X Split system 3 Width of unit x 100 mm 020 only DRC version 025 only DRC version 035 only DRC version 036 only DRC version 051 only DRX version 071 only DRX version 121 only DRX version A Series 5 230 V 1Ph 50 Hz ...

Страница 7: ...1 071 121 A Series 1 400 V 3Ph N 50 Hz only Unit size 071 121 5 230 V 1Ph N 50 Hz only Unit size 051 N Standard version W Winter Kit down to 35 C ambient NOTE For detailed planning please only use the order related documentation Detailed dimensional drawings can be obtained on request from your relevant FläktGroup sales office Specifications and technical data are subject to regular updates The ma...

Страница 8: ...ol air from the Rack Cooler is delivered and hot aisles where the air heated by the electronic equipment housed in the RACKS is discharged These are individual units installed between the Racks in a row so as to absorb the local heat load of the servers On Row DENCO versions the air to be cooled is taken in at the rear of the unit directly from the data center hot aisle 35 C giving considerable be...

Страница 9: ...indoor unit is aircooled with axial flow fans fitted with INVERTER DRIVEN HER METIC SCROLL compressor for operation on R 410A refrigerant mounted on rubber vibration dampers complete with oil pre charge supplied with oil separator to ensure correct lubrication even at minimum speed and fitted with thermal protector Structure Powder coated metal plate base panelling and inside structure Non flammab...

Страница 10: ...fans statically and dynamically balanced at low speed Six or four pole electric motor with built in thermal cut out Housed in aerodynamic tubes with accident prevention grill Device for operation at low outside air temperatures con tinuous fan speed control according using a pressure transducer EC axial flow fan available as an option Fig 3 2 Explo Outdoor Condensing Unit 1 Grille Protection for f...

Страница 11: ...r drier liquid indicator safety pressure switch to control high discharge pressure manual reset liquid receiver external connections with valves 3 3 2 Chilled water unit DRC The DRC 020 025 035 units featuring a single chilled water cooling circuit supplied by a chiller installed on site while model DRC 036 has two independent circuits one pri mary and one secondary as backup both using chilled wa...

Страница 12: ... own fans to independently take in the cooling air delivered into the cold aisle The hot exhaust from the RACK is discharged into the hot aisle where it is taken in and cooled by the Row DENCO unit hot aisle cold aisle hot aisle hot aisle cold aisle hot aisle hot aisle cold aisle Air flow on Row DENCO with front outlet top view Row DENCO version front Ooutlet rear intake cooling only configuration...

Страница 13: ...old aisle The hot exhaust from the RACK is dischar ged into the hot aisle where it is taken in and cooled by the Row DENCO unit In the version with side outlet the air is delivered directly to the front of the racks redu cing the risk of mixing between cold and hot air and ensuring correct air distribution even when the rack cooler is installed at the start of the row hot aisle cold aisle hot aisl...

Страница 14: ...ation while performing a task The operation manual is intended to be used by fitting and installation companies buil ding services engineers technical personnel or trained persons as well as electrical and refrigeration engineering specialists 4 2 Scope of the operation manual This operation manual provides information about the following Assembly disassembly Installation Commissioning Use and ope...

Страница 15: ...Example Electrocution through hazardous voltage will lead to death or serious injury Disconnect the unit from the power supply and ensure the power cannot be switched back on Ensure the unit is voltage free and isolated earth and short circuit the unit cover or shield off neighboring live components High concentration of refrigerants in the air can result in death or serious in jury High concentra...

Страница 16: ...t on production processes Depending on the filtered out materials contaminated filters are therefore classi fied as hazardous waste and must be properly disposed of according to the pre vailing guidelines and laws ATTENTION Risk of damage to the unit If dampers are abruptly shut during unit operation the unit can be damaged beyond repair as a result of negative pressure or overpressure Electrical ...

Страница 17: ...be switched back on Ensure the unit is voltage free and isolated earth and short circuit the unit cover or shield off neighboring live components Danger due to toxic substances High concentrations of refrigerants in the air may have an anaesthetic effect and cause unconsciousness Prolonged exposure may cause irregular heartbeat and sudden death Very high concentrations of refrigerant may cause suf...

Страница 18: ...all be firmly secured in the machine room of the unit in a well visible manner refer to unit identification plate or operation manual for the unit High pressure hazard When working on hydraulic or refrigeration circuits or in case of damage to the com ponents or piping there is a risk of injury from fluids or gases escaping at high pres sure Exercise due caution and attention when carrying out thi...

Страница 19: ...ulance Remove clothes contaminated by the refrigerant Inhalation Additional measures after inhalation of refrigerants Take the injured person to a well ventilated location Ensure that the injured person is in a stable lateral position Consumption of food and beverages must be avoided If the injured person collapses or loses consciousness perform mouth to mouth respiration Skin contact Additional m...

Страница 20: ...rial type in a safe and environmentally friendly manner 4 12 Selection and qualification of personnel Ensure that every person working on the unit has read and understood entire operation manual Please read this document fully before commencing any work and not while performing a task All jobs must only be carried out by qualified licensed staff or other individuals with proper professional traini...

Страница 21: ... 0 04 0 304 0 064 0 86 0 09 No of EC radial fans No 2 4 5 Std available static pressure Pa 20 20 20 SOUND DATA Sound pressure 2 dB A 60 61 66 AIR FILTER Filtration grade G2 G2 G2 REFRIGERANT CONNECTIONS Refrigerant connections ODS Ø IN LIQ 12 16 18 OUT GAS 18 22 28 HUMIDIFIER 3 Capacity kg h 3 3 3 DIMENSIONS Length mm 300 300 300 Depth mm 1000 1200 1000 1200 1000 1200 Height mm 2085 2085 2085 DROU...

Страница 22: ... Maximum operating pressure in the chilled water circuit 16 bars DRC 020 025 035 036 Power supply V Ph Hz 230 1N 50 60 CAPACITY DELIVERED Total capacity 1 kW 16 14 20 52 24 6 20 95 Sensible capacity 1 kW 16 14 20 52 24 6 20 95 SHR 1 00 1 00 1 00 1 00 WATER SIDE No of water circuits 1 1 1 2 Water flow rate 1 l h 2770 3530 4230 3600 Total unit pressure drop 1 kPa 14 21 29 55 Water content l 12 12 12...

Страница 23: ...apart as possible If a crane is used pass the cables through the bottom of the base making sure they do not exert pressure on the unit REMOVE THE STRAPS AND THE PLASTIC WRAP PING LOWER THE 2 METAL SLIDES REMOVE THE FIXING BRACKETS GRIP FIRMLY AND MOVE THE UNIT IN THE DIRECTION OF THE SLIDES WARNING ALL HANDLING OPERATIONS MUST BE CARRIED OUT BY 2 PEOPLE USING THE WHEELS PROVIDED SLOWLY SLIDE THE U...

Страница 24: ...ture 50 C H P L A BARCODE Size 051 071 121 Dimension L 1035 1630 1630 Dimension P 485 650 650 Dimension H 1390 1400 1900 Gross weight kg 123 205 270 Net weight kg 108 190 255 To lift and move the unit use metal tubes max dia 1 2 inserting them in the feet provided and same length lifting cables FRAGILE handle with care KEEP DRY indicates that the packaged unit must be kept in a dry place CENTRE OF...

Страница 25: ...35 036 L mm 1100 1100 1100 1100 L mm 1130 1130 1130 1130 H mm 2248 2248 2248 2248 H mm 2320 2320 2320 2320 P mm 800 800 800 800 P mm 830 830 830 830 Gross Weight kg 205 208 210 220 Gross Weight kg 250 253 255 265 Net Weight kg 190 193 195 205 Net Weight kg 190 193 195 205 DRX 051 071 121 DRX 051 071 121 L mm 1300 1300 1300 L mm 1330 1330 1330 H mm 2248 2248 2248 H mm 2320 2320 2320 P mm 800 800 80...

Страница 26: ...gs 7 1 DRX 051 071 121 300 X 1000 X 42U RACK 8 7 8 5 0 100 140 150 2085 1000 300 143 132 16 5 170 71 9 7 5 1 1 0 98 52 77 60 107 105 1 0 7 5 266 60 296 8 2 5 144 5 AIR OUT AIR IN CONDENSATE DRAIN PIPE REFRIGERANT CONNECTIONS KNOCKOUT IN REFRIGERANT OUT REFRIGERANT AUXILIARY CONNECTIONS REFRIGERANT CONNECTIONS KNOCKOUT ...

Страница 27: ... 5 118 137 228 98 277 5 5 1 0 5 1 0 7 5 465 60 495 8 2 5 144 5 AIR IN AIR OUT OPT AIR OUT OPT AIR OUT OPT 300 136 130 1033 1058 CONDENSATE DRAIN PIPE OUT HUMIDIFIER DRAIN CONNECTION Ø32 IN REFRIGERANT OUT REFRIGERANT AUXILIARY CONNECTIONS REFRIGERANT CONNECTIONS KNOCKOUT IN HUMIDIFIER WATER FEED CONNECTION G M GRILL ON Row DENCO WITH FRONT OUTLET ONLY GRILL ON Row DENCO WITH SIDE OUTLET ONLY ...

Страница 28: ...modifications 7 3 DRC 020 035 300 X 1000 X 42U RACK 8 5 2 0 0 0 1787 206 9 2 2 6 6 1667 152 2085 1000 AIR IN AIR OUT 300 97 5 70 4 6 266 60 296 8 1 5 143 5 170 71 46 7 0 97 5 16 5 CONDENSATE DRAIN PIPE AUXILIARY CONNECTIONS WATER OUT G 1 F WATER IN G 1 F WATER OUT G 1 F WATER IN G 1 F ...

Страница 29: ... 29 7 4 DRC 036 300 X 1000 X 42U RACK 2 0 6 8 5 2 0 0 0 1787 266 1667 9 2 1 5 2 2085 1000 AIR IN AIR OUT 300 50 97 5 1 5 2 7 4 7 4 266 60 296 8 2 5 144 5 286 1 6 5 7 1 50 97 5 1 5 2 74 7 4 CONDENSATE DRAIN PIPE AUXILIARY CONNECTIONS WATER OUT G 1 F WATER IN G 1 F WATER OUT G 1 F WATER IN G 1 F ...

Страница 30: ...1058 1033 16 5 370 71 118 137 298 8 9 5 94 5 69 46 298 6 9 46 464 494 60 80 5 142 5 AIR IN AIR OUT OPT AIR OUT OPT AIR OUT OPT CONDENSATE DRAIN PIPE AUXILIARY CONNECTIONS WATER OUT G 1 F WATER IN G 1 F WATER OUT G 1 F WATER IN G 1 F GRILL ON Row DENCO WITH FRONT OUTLET ONLY OUT HUMIDIFIER DRAIN CONNECTION Ø32 IN HUMIDIFIER WATER FEED CONNECTION G M GRILL ON Row DENCO WITH SIDE OUTLET ONLY ...

Страница 31: ... 50 486 1 6 5 7 1 74 152 7 4 89 5 94 5 118 137 298 50 74 1 5 2 7 4 464 60 494 8 1 5 143 5 AIR IN AIR OUT OPT AIR OUT OPT AIR OUT OPT CONDENSATE DRAIN PIPE AUXILIARY CONNECTIONS WATER OUT G 1 F WATER IN G 1 F WATER OUT G 1 F WATER IN G 1 F GRILL ON Row DENCO WITH FRONT OUTLET ONLY OUT HUMIDIFIER DRAIN CONNECTION Ø32 IN HUMIDIFIER WATER FEED CONNECTION G M GRILL ON Row DENCO WITH SIDE OUTLET ONLY ...

Страница 32: ...160 457 102 202 358 5 61 5 420 A A R 6 5 30 102 202 42 33 744 253 154 70 70 1200 12 15 25 497 25 1507 45 100 153 1480 A A R 7 23 B B R 7 22 288 1019 171 5 68 35 35 1 1 6 7 2 3 4 5 1 POWER SUPPLIES 2 POWER TRANSDUCER OPT 3 DOUBLE POWER SUPPLY OPT 4 LIQUID LINE Ø 3 8 5 GAS LINE Ø 18 6 GAS LINE Ø 22 2 ODS 7 LIQUID LINE Ø 16 2 ODS DROU 051 DROU 071 ...

Страница 33: ...9 02 R3 Subject to modifications 33 7 8 DROU 121 1450 1700 550 45 152 145 25 497 25 15 1480 12 1507 A A B B R 7 23 R 7 22 200 1107 200 68 41 35 35 220 277 545 935 788 CENTER OF GRAVITY 1 2 3 1 POWER SUPPLIES 2 GAS LINE Ø 22 2 ODS 3 LIQUID LINE Ø 16 2 ODS DROU 121 ...

Страница 34: ...VALVE FOR REFRIGERANT CONNECTION 3 4 FLARE 2 PRESSURE GATE 5 16 SAE 3 COMPRESSOR 4 CRANK CASE HEATHER 5 OIL SEPARATOR 6 STRAINER 7 CAPILLARY TUBE 8 HIGH PRESSURE SWITCH 9 CONDENSER 10 FAN 11 LIQUID RECEIVER 12 FILTER DRIER 13 LIQUID INDICATOR 14 OUTDOOR AIR TEMPERATURE SENSOR 15 2 WAY MANUAL VALVE FOR REFRIGERANT CONNECTION 1 2 FLARE 16 CAPILLARY TUBE 17 LIQUID SEPARATOR 18 CHECK VALVE SUPPLIED 19...

Страница 35: ...CONNECTION 1 2 FLARE 16 CAPILLARY TUBE 17 LIQUID SEPARATOR 18 CHECK VALVE SUPPLIED 19 VALVE SOLENOID 20 SAFETY VALVE 21 TEMPERATURE SENSOR DROUD 051A1W DROUD 071A1W DROUD 121A1W 4 5 12 8 6 7 9 2 1 10 10 3 11 12 11 1 REFRIGERANT SOLDER CONNECTION 0051 Ø18 mm 0071 Ø 22 mm 0121 Ø 28 mm 2 HIGH PRESSURE TRANSDUCER 3 ELECTRONIC THERMOSTATIC VALVE 4 FANS 5 HEAT EXCHANGER EVAPORATOR 6 LOW PRESSURE SWITCH ...

Страница 36: ...TO TO TI TI V BA TO TO TI TI MV MV MV x x x TW TW TW OV OV OV DRC 3020 3035 A5 DRC 3036 A5 DIRECTION OF AIRFLOW DIRECTION OF AIRFLOW MV 3 WAY MODULATING VALVE TI AIR INTAKE TEMPERATURE PROBE 1 Water In BA HEAT EXCHANGER TO AIR OUTLET TEMPERATURE PROBE 2 Water Out TW WATER TEMPERATURE PROBE V Fans OV 2 WAY ON OFF VALVE OPTION ...

Страница 37: ...aging the unit place protection between the slings and the unit Position the unit in the site indicated by the customer place either a layer of rubber min thickness 10 mm or vibration damper feet between the base and support surface Fix the unit making sure it is level and that there is easy access to refrigerant and electrical components If the site is installed in a place exposed to strong winds...

Страница 38: ...een the unit and the on site evaporator are determined at following pages Notice Medium connections may only be carried out by qualified licensed staff or other individuals with proper professional training and experience in the relevant acci dent prevention regulations as well as other generally recognized safety and occu pational health codes also refer to section 4 10 Personnel selection and qu...

Страница 39: ... important that the pressure drop in the pipework is minimized to avoid unnecessary decreases in capacity The greater the selected pipe diameter the lower is the speed in the pipe and the more difficult is the oil return The smaller the selected pipe diameter the higher the speed and the greater the pressure drop in the pipe The units loses capacity and energy efficiency 1 slope Always lay the suc...

Страница 40: ...3 m max 3 m N B Install oil traps as shown in the figure making sure to fill them with oil during commissioning the system The liquid piping must be protected against sunlight Row DENCO Row DENCO Row DENCO thermal insulation thermal insulation thermal insulation intake intake intake DRX DROU 051 max 15 m DRX DROU 071 121 max 30 m ...

Страница 41: ... 3 4 22 7 7 8 28 Unit model 051 071 121 Equivalent total line length 0 10 m Suction Ø mm 16 18 22 Liquid Ø mm 10 10 10 Equivalent total line length 10 20 m Suction Ø mm 18 18 22 Liquid Ø mm 10 10 12 Equivalent total line length 20 30 m Suction Ø mm 18 22 22 Liquid Ø mm 10 12 12 Equivalent total line length 30 40 m Suction Ø mm 18 22 28 Liquid Ø mm 10 12 12 Equivalent total line length 40 50 m Suct...

Страница 42: ...gerant oil to the compressor The refrigerant flows as a liquid through the liquid line thinner tube to the evaporator and then once again as a gas through the insulated suction line back to the compressor Observe temperature related changes in length 16 0 55 0 27 0 85 2 40 2 10 18 0 60 0 30 0 95 2 70 2 40 22 0 70 0 35 1 10 3 20 2 80 28 0 80 0 45 1 30 4 00 3 30 35 1 10 0 55 1 75 5 00 4 50 Model Ref...

Страница 43: ...and vibrations during brazing to prevent build up of cracks in the brazing joints Refrigerant lines must not be clogged through scale or flux A brazed joint may not obstruct refrigerant flow Corrosion may not occur on brazed joints Avoid oxidation To improve the efficiency of brazing different commercially available antioxidants can be purchased These antioxydants can contain different aggressive ...

Страница 44: ...ve on the suction line using two spanners as illustrated in the figure below Fig 8 5 Liquid Lines The fittings are flare couplings for all sizes For the connections proceed as follows Prepare the end of the pipe by flaring it to the right shape Connect the prepared line to the on off valve on the liquid line using two spanners as illustrated in the figure below Fig 8 6 Notice Refer to DIN EN 378 2...

Страница 45: ...sulated For successful testing test pressure must be as high as possible but not exceeding the maximum allowed operating pressure Introduce nitrogen for depressurizing using a pressure reducing valve on the cylinder valve of the unit The control gauge on the pressure reducing valve must be set to the maximum test pressure of the system Increase pressure in the system in steps first to 0 1 MPa 1 ba...

Страница 46: ...n pH greater than 9 implies a high risk of fouling while a pH less than 7 implies a high risk of corrosion ref 2 Hardness refers to the quantity of Ca and Mg carbonate dissolved in the water at a tem perature below 100 C temporary hardness High hardness implies a high risk of fou ling ref 3 A chloride ion concentration higher than the value indicated will lead to corrosion ref 4 5 8 The presence o...

Страница 47: ...ene glycol solutions Water and ethylene glycol solutions used as a heat carrier in the place of water reduce the performance of the unit Multiply the performance figures by the values given in the following table Freezing point 0 5 10 15 20 25 Percentage of ethylene glycol by weight 0 12 20 28 35 40 Flow rate correction factor cQ 1 1 02 1 04 1 075 1 11 1 14 Pressure drop correction factor cdp 1 1 ...

Страница 48: ...or steel pipes inches water temperature 10 C Selection Example consider a limit speed inside the pipe of 1 1 2m s cross reference the required water flow rate in the example 5 000 l h determine the pressure drop according to the selected diameter in the example 35 mmWC m Water flow l h Linear Pressure Drops mm w c m ...

Страница 49: ...ng the unit observe all protective measures for low voltage systems according to the appropriate EU Directive as well as regulations and codes of the local utility provider Potential equalization must be provided and equipment with all connected compo nents must be earthed Electrocution through hazardous voltage will lead to death or serious injury Disconnect the unit from the power supply and ens...

Страница 50: ...by qualified personnel in compliance with current legislation For all electrical work refer to the electrical wiring diagrams in this manual It is also recommended to check that The characteristics of the mains electricity supply are adequate for the power ratings indicated in the electrical specifications below also bearing in mind the possible use of other equipment at the same time Input data R...

Страница 51: ...event disconnection due to the load of stray capacitance on start up Before starting the unit check the tightness of all the electrical connections and cables on the unit as these may have come loose during handling and transport If these devices are not visible from the electrical panel of the unit they should be lockable An effective earth connection is obligatory The manufacturer cannot be held...

Страница 52: ... Abb 9 3 and plug this into socket P shown in the figure located on the top of the unit Fig 9 2 IEC male plug Also connect the signal and auxiliary cable as indicated on the wiring diagram supplied with the unit to connector S on the top of the unit Fig 9 3 The HUMIDIFIER has separate power supplies Fig 9 4 Fig 9 5 S P signal A auxiliary D power supply B power supply B ...

Страница 53: ... electricity from the human body Touch an earthed object before handling any electronic com ponent Fig 9 6 ATTENTION Risk of damage to the unit Terminals that are not adequately tight may generate heat and sparks cau sing fire Use suitably rated power supply cables Cables that are too small and undersized may generate heat and cause fires Do not run signal cables together with high voltage power c...

Страница 54: ... 2 2 2 STANDARD HEATERS AND OR HUMIDIFIER POWER TRANSDUCER KIT 1 DUAL POWER SUPPLY KIT 2 POWER TRANSDUCER KIT 1 DUAL POWER SUPPLY KIT 2 HEATERS AND OR HUMIDIFIER POWER TRANSDUCER KIT POWER TRANSDUCER KIT HEATERS AND OR HUMIDIFIER 1 DROU 2 DRX ATTENTION KEEP SIGNAL CABLES AND POWER CABLES SEPARATE use low impedance twisted shielded cables for the signals for distances over 8 metres galvanically iso...

Страница 55: ...twisted shielded cables for the signals for distances over 8 metres galvanically isolate the signal cables STANDARD DOUBLE POWER SUPPLY KIT HEATERS AND OR HUMIDIFIER DUAL POWER SUPPLY KIT HEATERS AND OR HUMIDIFIER POWER TRANSDUCER KIT 1 DRC POWER TRANSDUCER KIT 1 DUAL POWER SUPPLY KIT 2 HEATERS AND OR HUMIDIFIER 5 6 U N CRCC A C U PE 230V 50 60Hz N SIGNAL CABLES TERMINALS POWER CABLES TERMINALS PO...

Страница 56: ...Ph Hz qty FLI kW FLA A kg h DRC 3020 A5 230 1 50 230 1 50 3 0 51 4 35 230 1 50 1 2 25 9 80 3 DRC 3025 A5 230 1 50 230 1 50 4 0 68 5 80 230 1 50 1 2 25 9 80 3 DRC 3035 A5 230 1 50 230 1 50 5 0 85 7 25 230 1 50 1 2 25 9 80 3 DRC 3036 A5 230 1 50 230 1 50 5 0 85 7 25 230 1 50 1 2 25 9 80 3 Model V Ph Hz Evaporator fans Humidifier V Ph Hz qty FLI kW FLA A V Ph Hz qty FLI kW FLA A kg h DRX 3051 A5 230 ...

Страница 57: ...ssure leads to evaporation of water The higher the ambient temperature the faster and more efficiently humidity can be removed thanks to a higher vapor pressure Because of this reason it is not always possible to sufficiently dry the refrigeration circuit at low ambient temperature Connect the service manometer assembly to the service ports Compare the order related refrigeration circuit diagrams ...

Страница 58: ...ass to receive an overall picture Check for bubble free flow in the sight glass 10 3 Preparing for first start up Before starting up the condensing unit make sure that all safety conditions have been respected the condensing unit is adequately fixed to the surface it rests on clearances have been respected refrigerant connections have been carried out as indicated in the instruction manual the cir...

Страница 59: ...ump to heat up 10 3 1 Commissioning after the 2 hours Before starting the condensing unit Make sure the mains remote switch QF is in the OFF position Fig 10 2 Remove the inspection panel Fig 10 3 Remove the door from the electrical panel by moving QS to OFF Fig 10 4 Switch the compressor circuit breaker QM1 ON Fig 10 5 If an alarm is activated refer to the control panel instruction manual Close th...

Страница 60: ...ring extended shutdown there may be spontaneous migration of refrigerant to the compressor sump which at the start may cause the oil to foam and consequent damage due to insufficient lubrication As a result do not disconnect power when shutting down during the week Open the on off valves in the refrigerant circuits and check that the air cooled remote condensers are powered air cooled models 10 3 ...

Страница 61: ...10 6 Calibrating the control and safety devices After starting the Row DENCO make the following adjustments see the microproces sor controller manual room temperature cooling set point dirty filter differential pressure switch see the paragraph on CALIBRATING THE DIRTY FILTER SENSOR The calibration values of the control and safety devices must not be altered 10 7 Calibrating the dirty filter senso...

Страница 62: ...control voltage in the current position if power is cut off Fig 10 11 Description This servomotor with 0 10 V control is used to drive 2 or 3 way valves with 5 5 mm travel Functions When the actuator is powered at 0 10 VDC or with a 3 position signal it transmits motion to the valve Controllers with 0 10 V signal SSC619 the valve is open or closed in proportion to the power supply signal Y 0 volts...

Страница 63: ...If the control signal is applied this has priority in determining the valve position Fig 10 13 Manual override Maintenance The servomotors are maintenance free If maintenance is required on the system remember to disconnect power unplugging the connector the servomotor must only be tested when the valve has been installed correctly B A B Y2 Y Y1 A A 0 1 B 0 1 in position 1 valve open in position 0...

Страница 64: ...low are compatible with the system Other values available only on specific request close off Maximum pressure differential allowed for the motorised valve to close against system pressure DN G H mm H1 mm H2 mm L1 mm L2 mm L3 mm L4 mm VVP kg VXP kg VXP45 32 16 32 G2B 280 69 78 105 52 5 52 5 62 5 1 95 1 70 90 90 AB A B A AB B AB A B A AB 0 100 B AB 100 0 2 1 H1 H2 H L3 L2 L1 G 2 WayValve Close Off D...

Страница 65: ... and Hhumidity Pprobe option DRZ 3HSENA E04 The temperature humidity probe is required in order to use the IDM Integrated Dyna mic Management function This measures the dew point of the intake air to the DRC and activates a special alarm signal if the water temperature is below dew point and consequently there is the risk of dehumidification and condensate forming The figure shows the optional tem...

Страница 66: ...it wiring diagram Fig 10 17 Overview diagram Fig 10 18 Overview Diagram 10 13 Dual power supply optional The dual power supply kit allows the unit to keep operating when there is a power fai lure on the main power line In the event of a power failure on the main power line the system automatically switches to the secondary or backup power supply This ensures complete redundancy of the power supply...

Страница 67: ...fier the current that runs between the electrodes through the water contained in the boiler cylinder generates the heat required to boil the water By controlling the level of the water and the concentration of salts inside the steam cylinder 6 using the fill 7 and drain 8 solenoid valves the amount of current deli vered can be regulated and measured using a current transformer 2 When steam product...

Страница 68: ... see the paragraph manual controls in the controller manual disconnect the power supply by opening the main switch on the electrical panel remove from the top of the cylinder the hose that carries the steam to the distributor disconnect the power connections by unscrewing the knobs on the cable ends and remove the plugs from the level electrodes release the strap that secures the cylinder to the u...

Страница 69: ...on of the hose outside of the unit to avoid bad odours and to prevent water from overflowing from the humidifier pan During installation pour water into the condensate collection pan and the humidifier pan so as to fill the drain traps outside and inside the unit with water Downstream of the drain trap ensure a minimum slope of 1 Fig 10 22 LIMIT VALUES FOR IMMERSED ELECTRODE HUMIDIFIER FEED WATER ...

Страница 70: ...ordance with the instructions supplied in the packaging Check that the head is sufficient to lift the condensate to the point of drainage Std condenssate drain pump low water temperature Technical specifications Maximum flow rate 30 l h Maximum suction height 4 m Maximum discharge height 13 m flow rate 8 l h Maximum pressure 18 m flow rate 0l h TABLE OF EFFECTIVE FLOW RATES l h Total pipe length w...

Страница 71: ...vided on the frame The pump requires a drain hose with an inside diameter of 9 mm Make sure the hoses are not choked or twisted along the path between the pump and the point of drainage Securely fasten the hoses with a clamp to the pump outlet fitting to prevent them from coming loose and consequently causing water to be released at high pressure IMPORTANT The pre wired safety switch must always b...

Страница 72: ...ng and cleaning the drains general examination of overall appliance operation Vvisual check of the condition of pressurised vessels General examination of operation This is a general examination aimed at comparing the operation of the appliance with the last check performed Consequently any differences in the operating characteri stics over time can be highlighted A detailed and periodical visual ...

Страница 73: ... having to power down the entire unit Open the front door and remove the quick connect power to the fault fan that has to be replaced see Fig 10 26 pos A When the fan is stopped unscrew the screws securing the fan support see Fig 10 26 pos B and remove it from the unit The remaining fans will operate at maximum speed to compensate for the missing fan during maintenance Fig 10 26 B A ...

Страница 74: ...ek check that the filters are clean every two weeks clean the filters with a vacuum cleaner every month wash the filters with soapy water every six months replace the filters It is clear that the recommended times are purely indicative and in some cases it may be necessary to increase the frequency of the checks and maintenance operations These operations must be carried out with the unit off and ...

Страница 75: ...ime can be highlighted A detailed and periodical visual check of the appliance and general cleaning are always important to ensure correct operation The above mentioned operations can in general be performed once a month Natu rally in special situations and specific installations the frequency may change A well maintained system is unlikely to cause disruptions and stoppages to the production cycl...

Страница 76: ...ompressors don t start despite being activated by the controller The parameter settings on the microprocessor control ler are not correct The power of the heaters is not sufficient or the heaters aren t working The hot water coil isn t working correctly The hot gas post heating system isn t working during the dehumidification plus post heating phase ROOM TEMPERATURE TOO LOW See the controller manu...

Страница 77: ...AIR FLOW Check the operation of the solenoid valve that controls the dehumidification circuit See the controller manual check the operation of the panel and or the probe Check the room temperature setting see the control panel manual Check the consistency of the latent load Check the pressure of the supply water Check the operation of the manual control system and the steam production unit see the...

Страница 78: ...ing HIGH PRESSURE SWITCH ACTIVATED high compressor discharge pres sure Empty and recharge the circuit Check the operation and the correct direction of rotation of the fans on the outdoor heat exchanger Check that the exchanger is not dirty and remove any material that may be blocking it leaves paper seeds dust etc with a jet of compressed air or with a brush Check the outdoor unit for any obstacle...

Страница 79: ...See LOW COMPRESSOR SUCTION PRESSURE See HIGH COMPRESSOR DISCHARGE PRES SURE Remove refrigerant from the circuit Check that the thermostatic valve superheating value is correct check that the valve sensor bulb is not dischar ged and that it is correctly positioned secured and insu lated Room temperature too low See ROOM TEMPERATURE TOO LOW The air flow rate is too low or null See LOW OR NO AIR FLOW...

Страница 80: ...arrying out decommissioning and dismantling work on the unit Disconnect the unit from the power supply and ensure the power cannot be switched back on Ensure the unit is voltage free and isolated earth and short circuit the unit cover or shield off neighboring live components High pressure hazard When carrying out decommissioning and dismantling jobs on the unit shut off and empty all connected pi...

Страница 81: ...d greenhouse gases are properly recycled or disposed Notice The operator of the refrigeration unit is responsible for taking all necessary precau tionary measures and ensures that only certified and licensed staff properly recovers recycles processes and disposes of fluorinated refrigerants containing greenhouse gases F Gases in accordance with Fluorinated Greenhouse Gases Regulation EU No 517 201...

Страница 82: ...r from 3 kg refrigerant charge weight Twice a year at 30 to 299 kg refrigerant charge 4 times a year from 300 kg refrigerant charge Leakage detection system is available yes no Leak test with leakage detection system Once a year at 30 to 299 kg refrigerant charge Twice times a year from 300 kg refrigerant charge Plant operator Contact person Tel Address Fax Postal code City E Mail Service company ...

Страница 83: ...mpany Certificate Nr Service technician Certificate Nr Leak testing yes no Result Refrigerant charged yes no Reason Refrigerant evacuated yes no Reason Leak system test yes no Result Repairs Required measures Units leak tested safety devices checked and function test passed Name Signature Date Visit Nr Company Certificate Nr Service technician Certificate Nr Leak testing yes no Result Refrigerant ...

Страница 84: ...any Certificate Nr Service technician Certificate Nr Leak testing yes no Result Refrigerant charged yes no Reason Refrigerant evacuated yes no Reason Leak system test yes no Result Repairs Required measures Units leak tested safety devices checked and function test passed Name Signature Date Visit Nr Company Certificate Nr Service technician Certificate Nr Leak testing yes no Result Refrigerant ch...

Страница 85: ...mpany Certificate Nr Service technician Certificate Nr Leak testing yes no Result Refrigerant charged yes no Reason Refrigerant evacuated yes no Reason Leak system test yes no Result Repairs Required measures Units leak tested safety devices checked and function test passed Name Signature Date Visit Nr Company Certificate Nr Service technician Certificate Nr Leak testing yes no Result Refrigerant ...

Страница 86: ...any Certificate Nr Service technician Certificate Nr Leak testing yes no Result Refrigerant charged yes no Reason Refrigerant evacuated yes no Reason Leak system test yes no Result Repairs Required measures Units leak tested safety devices checked and function test passed Name Signature Date Visit Nr Company Certificate Nr Service technician Certificate Nr Leak testing yes no Result Refrigerant ch...

Страница 87: ...mpany Certificate Nr Service technician Certificate Nr Leak testing yes no Result Refrigerant charged yes no Reason Refrigerant evacuated yes no Reason Leak system test yes no Result Repairs Required measures Units leak tested safety devices checked and function test passed Name Signature Date Visit Nr Company Certificate Nr Service technician Certificate Nr Leak testing yes no Result Refrigerant ...

Страница 88: ...any Certificate Nr Service technician Certificate Nr Leak testing yes no Result Refrigerant charged yes no Reason Refrigerant evacuated yes no Reason Leak system test yes no Result Repairs Required measures Units leak tested safety devices checked and function test passed Name Signature Date Visit Nr Company Certificate Nr Service technician Certificate Nr Leak testing yes no Result Refrigerant ch...

Страница 89: ...mpany Certificate Nr Service technician Certificate Nr Leak testing yes no Result Refrigerant charged yes no Reason Refrigerant evacuated yes no Reason Leak system test yes no Result Repairs Required measures Units leak tested safety devices checked and function test passed Name Signature Date Visit Nr Company Certificate Nr Service technician Certificate Nr Leak testing yes no Result Refrigerant ...

Страница 90: ...any Certificate Nr Service technician Certificate Nr Leak testing yes no Result Refrigerant charged yes no Reason Refrigerant evacuated yes no Reason Leak system test yes no Result Repairs Required measures Units leak tested safety devices checked and function test passed Name Signature Date Visit Nr Company Certificate Nr Service technician Certificate Nr Leak testing yes no Result Refrigerant ch...

Страница 91: ...mpany Certificate Nr Service technician Certificate Nr Leak testing yes no Result Refrigerant charged yes no Reason Refrigerant evacuated yes no Reason Leak system test yes no Result Repairs Required measures Units leak tested safety devices checked and function test passed Name Signature Date Visit Nr Company Certificate Nr Service technician Certificate Nr Leak testing yes no Result Refrigerant ...

Страница 92: ...accumulated industry experience The widest product range in the market and strong market presence in 65 countries worldwide guarantee that we are always by your side ready to deliver Excellence in Solutions PRODUCT FUNCTIONS BY FLÄKTGROUP Air Treatment Air Movement Air Diffusion Air Distribution Air Filtration Air Management Air Conditioning Heating Controls Service Learn more on www flaktgroup co...

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