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Page 21

English

Start-up

5.3 Checking the operation

Check the following:

The temperature of the water entering the evapo-

rator.

The temperature of the water leaving the evapora-

tor.

The level of the water flow rate in the evaporator,

if possible.

The current absorption upon the start of the com-

pressor and in case of stabilised operation.

The fan’s current absorption.

Check that the condensing and evaporation temper-

atures, during operation at high and low pressure

detected by the pressure gauges of the refrigerant,

are within the following range:

(On the units not provided with HP/LP pressure

gauges for the refrigerant, connect a pressure gauge

to the Schreader valves on the refrigeration circuit).

5.4 Delivery to the customer

Train the user according to the instructions provid-

ed in Section 6.

HP side

Approx. 15 to 21°C above the

temperature of the air entering the

condenser, for R407C units.

LP side

Approx. 2 to 4°C below the tem-

perature of the leaving chilled wa-

ter, for R407C units.

Manuale VLS-VLH1 17-06-2005 9:05 Pagina 21

Содержание VLC ELN 1004

Страница 1: ...nd Heat Pumps 126 8 kW 313 kW IOM 05 VLS VLH I N Code 35B09048 000 A Supersedes and Replaces 35B09048 000 Notified Body No 1115 o Installation and Maintenance Instructions 125 6kW 293 5 kW o HSB ISO 9...

Страница 2: ...5 Draining the Defrosting Waste Water for heat pump unit only 16 4 6 Power supply 17 4 7 Electrical connections 17 5 START UP 5 1 Preliminary check 20 5 2 Start up 20 5 3 Checking the operation 21 5 4...

Страница 3: ...Condenser 71 9 6 Fans 71 9 7 Dehydrating filter 72 9 8 Sight glass 72 9 9 Thermostatic expansion valve 72 9 10 Evaporator 72 10 TROUBLESHOOTING 73 11 SPARE PARTS 11 1 Spare parts list 75 11 2 Oil for...

Страница 4: ...ranty to be valid the following conditions shall be met h The machine must be operated only by skilled per sonnel from Itelco Clima s Authorised After Sales Service h Maintenance must be performed onl...

Страница 5: ...s indicate the presence of hot pipes or components high surface temperature The guards of the fans only for units pro vided with air heat exchangers must be al ways mounted and must never be removed b...

Страница 6: ...rain them in order to balance the pressure to the atmospheric value be fore disconnecting them disassemble connections filters joints or other line items h do not use your hands to check for any press...

Страница 7: ...inte nance in progress on the external disconnecting switch h make sure that on off remote controls are inhibited h wear suitable personal protective equipment hel met safety gloves goggles and shoes...

Страница 8: ...point Identification of the refrigerant External door Identification of the unit Outside on the right hand front column Electrical warning Adjacent to the master switch Gravity centre Base TENERE SU Q...

Страница 9: ...ication Adjacent to fittings ATTENZIONE INSERIRE LE RESISTENZE DI RISCALDAMENTO OLIO ALMENO 12 ORE PRIMA DI OGNI AVVIAMENTO SE PREVISTE PRIMA DELLA MESSA IN TENSIONE ASSICURARSI CHE LE VITI DEI CIRCUI...

Страница 10: ...igh concentrations may result in the risk of asphyxia due to the reduction in the oxygen percentage in the atmosphere Remove the patient to fresh air and keep warm and at rest If necessary give oxygen...

Страница 11: ...le leaks ventilate the room Reduce the leak with sand earth or other absorbing substances Make sure that the liquid does is not channelled into gutters sewers or pits where the vapours are likely to c...

Страница 12: ...pes of paint or rubber Use in well ventilated rooms Always wear protective goggles or a mask Wearing protective gloves is not mandatory but is recommended in case of prolonged exposure to refrigerant...

Страница 13: ...mmediately Please note that Itelco Clima may not be held liable for any damage to the equipment during transporta tion even though the carrier has been appointed by the factory 3 2 Lifting The unit mu...

Страница 14: ...erious risk of earth quake or if the appliance is installed on the top of a steel frame 3 4 Storage When the unit is to be stored before installation adopt a few precautions to prevent any damage or r...

Страница 15: ...st not be installed near boilers vent pipes h the unit must not be installed leeward with respect to sources of air contaminated by greases such as for example the outlets to kitchen exhaust hoods int...

Страница 16: ...gram of the User s Terminal Box Paragraph 4 7 To install the flow meter follow the manufacturer s instructions As a general rule the flow meter shall be mounted on a horizontal pipe at a distance from...

Страница 17: ...ed to fill the circuit must be treated to obtain the request ed PH 4 4 Hydraulic connection The water inlet outlet fittings shall conform to the in structions provided by the plates affixed near the c...

Страница 18: ...ard through holes drilled on the bottom of the board 4 7 Electrical connections The unit must be installed on site according to the Machinery Directive 98 37 EC the Low Voltage Di rective 73 23 EC the...

Страница 19: ...CIRCUIT 1 REMOTE INDICATION VOLTAGE PRESENCE REMOTE INDICATION REMOTE INDICATION REMOTE INDICATION ONLY HEAT PUMP PUMP IDROKIT RELAY MAX O 5A AT 230V ANTIFREEZE IDROKIT RELAY MAX 0 5A AT 230 V 24VAC O...

Страница 20: ...Page 19 Installation English VLC version Electrical Connections Manuale VLS VLH1 17 06 2005 9 05 Pagina 19...

Страница 21: ...an the fil ters on the suction side of the pumps h Adjust the liquid distribution network in such a way that the flow rate is within the specified range h Check that the water quality is up to the spe...

Страница 22: ...per atures during operation at high and low pressure detected by the pressure gauges of the refrigerant are within the following range On the units not provided with HP LP pressure gauges for the refr...

Страница 23: ...e values relative to mainte nance of devices under access code Maintenance Level Not available Access the display mask of the status of digital analog inputs and outputs Access to the clock programmin...

Страница 24: ...he ENTER key again to store it 1 on off key allows you to turn the unit on off The green LED which lights up the key indicates the sta tus of unit 2 alarm key used to display the alarms as well as for...

Страница 25: ...L55 Failure of clock card Run Run Run Man No h Setpoint Pressing the Set key allows you to enter the Set point level accessible to the user The parameters that can be set are listed below along with t...

Страница 26: ...old season it is advisable to drain the circuit to prevent water frost ing If the circuit cannot be drained it is essential to avoid de energizing the unit so as to permit the acti vation when necessa...

Страница 27: ...vanised steel parts are painted with white polyester resin RAL 9001 to ensure the resistance of the unit to corrosion and weather agents over time 7 3 Compressors These units are provided with hermeti...

Страница 28: ...4 Liquid sight glass 5 Thermostatic expansion valve 6 Heat exchanger 7 Ball shutoff cock 8 Solenoid valve 9 Safety valve Safety and control devices A HP pressure switch B LP pressure switch C HP tran...

Страница 29: ...r fas tening to the base They are supplied separated from the unit and must be mounted on site by the cus tomer at his own expense Fan speed regulator The speed regulator of the fans is mounted as a s...

Страница 30: ...e ground level The Hydronic Module is enclosed in its own case and includes h an inertial tank h a single or double pump for standard head or high head h the expansion tank h a water filter installed...

Страница 31: ...24 9 22 1 11 7 15 4 19 3 22 5 26 9 Max pressure drops kPa 49 2 60 6 69 1 61 4 32 5 42 9 53 5 62 6 74 7 qP K Q2 10 PRESSURE DROPS IN THE EVAPORATOR VLH 504 VLH 554 VLH 604 VLH 704 VLH 804 VLH 904 VLH 1...

Страница 32: ...30 5 37 0 43 1 Minimum water content l 10 4 10 4 12 3 12 3 14 5 26 26 26 26 Fans Number 2 2 2 3 3 4 4 4 4 Air flow rate m3 s 11 1 11 1 11 1 16 1 15 8 21 6 21 4 22 9 22 9 Power input kW 2 8 2 8 2 8 4 2...

Страница 33: ...inimum water content l 10 4 10 4 12 3 12 3 14 5 26 26 26 26 Fans Number 2 2 3 3 3 4 4 4 4 Air flow rate m3 s 8 1 8 1 10 8 12 5 12 2 16 6 16 3 17 0 17 0 Power input kW 1 9 1 9 2 85 2 85 2 85 3 8 3 8 5...

Страница 34: ...3 1 Minimum water content l 10 4 10 4 12 3 12 3 14 5 26 26 26 26 Fans Number 3 3 3 4 4 4 4 4 4 Air flow rate m3 s 8 4 8 4 8 4 12 0 11 3 13 1 13 1 14 1 14 1 Power input kW 2 85 2 85 2 85 3 8 3 8 3 8 3...

Страница 35: ...5 Minimum water content l 10 4 10 4 12 3 12 3 14 5 26 26 Fans Number 3 3 3 4 4 4 4 Air flow rate m3 s 16 0 15 0 15 0 22 0 20 8 20 0 20 0 Power input kW 4 2 4 2 4 2 5 6 5 6 5 6 5 6 Condenser Type Coil...

Страница 36: ...r 2 2 2 3 3 4 4 4 4 Air flow rate m3 s 11 1 11 1 11 1 16 1 15 8 21 6 21 4 22 9 22 9 Power input kW 2 8 2 8 2 8 4 2 4 2 5 6 5 6 8 8 Condenser Type Coil type Al Cu Hydraulic connections Type Threaded Th...

Страница 37: ...2 2 3 3 3 4 4 4 4 Air flow rate m3 s 8 0 8 0 10 8 12 5 12 2 16 6 16 4 17 0 17 0 Power input kW 1 9 1 9 2 85 2 85 2 85 3 80 3 80 5 5 Condenser Type Coil type Al Cu Hydraulic connections Type Threaded T...

Страница 38: ...Number 3 3 3 4 4 4 4 4 4 Air flow rate m3 s 8 4 8 4 8 4 12 11 3 13 1 13 1 14 1 14 1 Power input kW 2 85 2 85 2 85 3 8 3 8 3 8 3 8 5 5 Condenser Type Coil type Al Cu Hydraulic connections Type Threaded...

Страница 39: ...rect Fans Number 3 3 3 4 4 4 4 Air flow rate m3 s 16 15 15 22 20 8 20 20 Power input kW 4 2 4 2 4 2 5 6 5 6 5 6 5 6 Condenser Type Coil type Al Cu Hydraulic connections Type Threaded Threaded Threaded...

Страница 40: ...mum water content l 10 4 10 4 12 3 12 3 14 5 26 26 26 26 Fans Number 2 2 2 3 3 4 4 4 4 Air flow rate m3 s 11 1 11 1 11 1 20 0 19 2 24 1 22 7 21 6 21 6 Power input kW 2 8 2 8 2 8 6 6 8 8 8 8 Condenser...

Страница 41: ...ter content l 10 4 10 4 12 3 12 3 14 5 26 26 26 26 Fans Number 2 2 3 3 3 4 4 4 4 Air flow rate m3 s 8 1 8 1 10 8 15 4 14 6 18 1 16 8 15 7 15 7 Power input kW 1 9 1 9 2 85 3 75 3 75 5 5 5 5 Condenser T...

Страница 42: ...34 37 9 Minimum water content l 12 3 12 3 14 5 26 26 26 26 Fans Number 3 4 4 4 4 4 4 Air flow rate m3 s 9 7 13 25 12 5 13 8 13 8 13 8 13 8 Power input kW 2 85 5 5 5 5 5 5 Condenser Type Coil type Al C...

Страница 43: ...imum water content l 10 4 10 4 12 3 12 3 14 5 26 26 Fans Number 3 3 3 4 4 4 4 Air flow rate m3 s 15 9 15 0 15 0 24 1 22 7 21 6 21 6 Power input kW 4 2 4 2 4 2 8 8 8 8 Condenser Type Coil type Al Cu Hy...

Страница 44: ...704 804 904 1004 1104 1204 Rated voltage V ph Hz 400 10 3 50 Max absorbed power kW 58 5 66 5 72 0 85 95 108 120 132 146 Rated current A 83 6 92 102 3 116 5 130 7 146 6 160 8 N D N D Max current FLA A...

Страница 45: ...Power supply V ph Hz 230 10 1 50 Max absorbed power kW 130 VLS VLC 504 554 604 704 804 904 1004 1104 1204 Number 4 4 4 4 4 4 4 4 4 Nominal power input kW 9 13 7 12 13 7 13 7 13 7 13 7 18 6 13 7 23 0...

Страница 46: ...0 95 0 95 0 95 0 95 1 3 1 3 Absorbed rated current FLA A 1 7 1 7 1 7 1 7 1 7 1 7 1 7 2 3 2 3 VLS VLC ELN 504 554 604 704 804 904 1004 1104 1204 Power supply V ph Hz 400 10 3 50 Number 3 3 3 4 4 4 4 4...

Страница 47: ...504 554 604 704 804 904 1004 1104 1204 Rated voltage V ph Hz 400 10 3 50 Max absorbed power kW 58 5 66 5 72 0 86 0 96 4 109 3 121 0 132 146 Rated current A 83 6 92 102 3 118 4 132 5 149 163 2 N D N D...

Страница 48: ...Power supply V ph Hz 230 10 1 50 Max absorbed power kW 130 VLH 504 554 604 704 804 904 1004 1104 1204 Number 4 4 4 4 4 4 4 4 4 Nominal power input kW 9 13 7 12 13 7 13 7 13 7 13 7 18 6 13 7 23 0 13 7...

Страница 49: ...te assorbita FLA A 1 7 1 7 1 7 2 3 2 3 2 3 2 3 2 3 2 3 Max start up current LRA A 3 3 3 3 3 3 4 7 4 7 4 7 4 7 4 7 4 7 VLH ELN 604 704 804 904 1004 1104 1204 Power supply V ph Hz 400 10 3 50 Number 3 4...

Страница 50: ...n P1 P4 CENTRE OF GRAVITY VLS Distribution Weights kg Operating Shipping POSITIONS POSITIONS Al Cu F1 F2 F3 F4 Weight Weight kg kg kg kg kg kg a mm b mm c mm x mm y mm 504 ELN 221 278 406 349 1254 124...

Страница 51: ...410 560 1394 VLS 504 604 Cu Cu Low Noise Version P1 P4 CENTRE OF GRAVITY VLS Distribution Weights kg Operating Shipping POSITIONS POSITIONS Cu Cu F1 F2 F3 F4 Weight Weight kg kg kg kg kg kg a mm b mm...

Страница 52: ...2300 904 LN 271 385 418 342 290 189 1895 1865 1137 1744 1744 250 460 2300 1004 LN 295 419 455 373 316 207 2065 2035 1137 1744 1744 250 460 2300 1104 LN 323 459 498 408 346 227 2260 2230 1137 1744 174...

Страница 53: ...43 554 354 310 244 2215 2201 1137 1744 1744 250 550 2250 904 HE 358 508 552 452 383 250 2503 2477 1137 1744 1744 250 550 2250 1004 HE 374 531 577 472 400 261 2615 2589 1137 1744 1744 250 550 2250 VLS...

Страница 54: ...1 P4 CENTRE OF GRAVITY VLC Distribution Weights kg Shipping POSITIONS POSITIONS Al Cu F1 F2 F3 F4 Weight kg kg kg kg kg a mm b mm c mm x mm y mm 504 ELN 202 254 372 320 1149 1137 2174 410 524 1425 554...

Страница 55: ...0 560 1394 P1 P4 CENTRE OF GRAVITY VLC Distribution Weights kg Shipping POSITIONS POSITIONS Cu Cu F1 F2 F3 F4 Weight kg kg kg kg kg a mm b mm c mm x mm y mm 504 ELN 254 320 468 403 1445 1137 2174 410...

Страница 56: ...904 LN 242 344 373 306 259 169 1693 1137 1744 1744 250 460 2300 1004 LN 265 377 410 335 284 186 1857 1137 1744 1744 250 460 2300 1104 LN 293 417 453 370 314 206 2052 1137 1744 1744 250 470 2330 1204...

Страница 57: ...kg kg kg kg a mm b mm c mm d mm x mm y mm 704 ELN 257 367 459 294 257 202 1835 1137 1744 1744 250 550 2250 804 ELN 282 403 503 322 282 221 2014 1137 1744 1744 250 550 2250 904 ELN 321 457 496 406 344...

Страница 58: ...m b mm c mm x mm y mm 504 LN 220 278 412 354 1264 1254 1137 2174 410 512 1439 554 LN 225 290 424 359 1298 1288 1137 2174 410 512 1439 604 LN 234 305 438 368 1345 1333 1137 2174 410 512 1439 VLH 504 60...

Страница 59: ...kg kg kg a mm b mm c mm x mm y mm 504 LN 272 343 508 437 1560 1550 1137 2174 410 560 1394 554 LN 276 356 521 441 1594 1584 1137 2174 410 560 1394 604 LN 234 305 438 368 1641 1629 1137 2174 410 560 139...

Страница 60: ...8 1965 1939 1137 1744 1744 250 460 2300 1004 LN 306 432 469 385 327 216 2135 2109 1137 1744 1744 250 460 2300 1104 LN 333 471 511 419 356 234 2325 2299 1137 1744 1744 250 470 2330 1204 LN 337 476 516...

Страница 61: ...4 1744 250 550 2250 904 HE 353 499 542 444 377 248 2465 2439 1137 1744 1744 250 550 2250 1004 HE 370 523 568 466 396 262 2585 2559 1137 1744 1744 250 550 2250 VLH 704 1004 Cu Cu High Efficiency Versio...

Страница 62: ...ons Units VLS 504 604 STD VLS 504 554 LN VLH 504 604 STD VLH 504 554 LN WATER CONNECTION WATER OUTLET A 2 1 2 M WATER INLET B with pump 2 1 2 M WATER INLET C without pump 2 1 2 M ESUPERHEATER IN OUT D...

Страница 63: ...VLS 504 604 HE ELN VLS 604 LN VLH 504 554 HE VLH 604 LN HE WATER CONNECTIONS WATER OUTLET A 2 1 2 M WATER INLET B with pump 2 1 2 M WATER INLET C without pump 2 1 2 M DESUPERHEATER IN OUT D 4x1 F Manu...

Страница 64: ...ta English Dimensions Unit VLH 604 ELN WATER CONNECTIONS WATER OUTLET A 2 1 2 M WATER INLET B with pump 2 1 2 M WATER INLET C without pump 2 1 2 M DESUPERHEATER IN OUT D 4x1 F Manuale VLS VLH2 17 06 2...

Страница 65: ...704 804 STD LN VLH 704 804 STD LN WATER CONNECTIONS WATER OUTLET A 2 1 2 M WATER INLET B with pump 2 1 2 M WATER INLET C without pump 2 1 2 M DESUPERHEATER IN OUT D 4x2 F Measure with desuperheater M...

Страница 66: ...04 STD LN HE ELN VLH 1104 1204 STD LN ELN Dimensions mm 704 804 904 1204 H1 205 213 H2 602 840 L 700 720 WATER CONNECTIONS 704 804 904 1204 WATER OUTLET A 2 1 2 M 3 M WATER INLET B with pump 2 1 2 M 3...

Страница 67: ...Page 66 Technical data Dimensions Units VLC 504 554 STD LN VLC 604 STD Dimensions Units VLC 504 554 ELN HE VLC 604 LN ELN HE Manuale VLS VLH2 17 06 2005 11 17 Pagina 66...

Страница 68: ...Page 67 English Technical data Dimensions Units VLC 704 804 STD LN Dimensions Units VLC 704 804 ELN HE VLC 904 1004 STD LN ELN HE VLC 1104 1204 STD LN ELN Manuale VLS VLH2 17 06 2005 11 17 Pagina 67...

Страница 69: ...s Units with pumps VLS 704 1204 STD LN ELN VLS 704 1004 HE VLH 604 1204 ELN VLH 704 1204 STD LN VLH 704 1004 HE Dimensions Units with pumps VLS 504 604 STD LN ELN HE VLH 504 604 STD LN HE Manuale VLS...

Страница 70: ...5 1 5 1 5 1 5 1 0 1 0 1 5 1 0 1 0 1 5 Disposizione 2 m 1 5 2 0 1 5 1 5 2 5 1 5 1 0 2 5 1 0 1 5 2 0 1 0 1 0 2 0 1 5 A wall only may be higher that the units The area between the walls must be kept free...

Страница 71: ...he costs incurred to repair the ap pliance in its original state The provisions of this section apply only to standard units according to the order requirements other documentation may be added concer...

Страница 72: ...laced following a mechanical failure or if burnt contact one of Itelco Clima s Service Centers Compressors use polyester oil for both the versions manufactured for R134a and R407C During maintenance o...

Страница 73: ...n pressure with the pressure gauges on the board of the unit o using a pressure gauge connected to the service valve on the suc tion side From the pressure gauge s temperature scale mea sure the satur...

Страница 74: ...rease overheating Check the charge Excessive noise Vibration of lines Check the clamping brackets if any Whistler emitted by the thermostatic expansion valve Refill Check the dehydrating filter Noisy...

Страница 75: ...tribution network inform the Energy Distributor Short circuit of the compressor s mo tor Check the continuity of the winding Seized compressor Replace the compressor Identify and remove the leak Insuf...

Страница 76: ...Compressor s fuses 6 Auxiliary fuses 6 Set of compressor contactors 1 Fan s contactor 1 Water sensor 1 Air sensor 1 Electronic card 1 Keyboard 1 Compressor oil resistor 1 11 2 Oil for compressors The...

Страница 77: ...ec tions of the plant If no shutoff valves have been provided it may be necessary to drain the whole plant If a glycoled solution or a similar fluid has been used in the hydraulic circuits or if chemi...

Страница 78: ...prodotti sono puramente indicative e non sono soggette ad alcun vincolo contrattuale With a concern for a constant improvement our products can be modified without notice Photos non contractual R22 RC...

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