SystemAir VLC HT 704 Installation And Maintenance Manual Download Page 58

Page: 58 / 66

Page 57

English

Technical data

A wall only may be higher that the units.

The area between the walls must be kept free from any obstacle which may hinder the free air inflow towards the unit(s).

8.6 Service spaces

VLC/VLH ALL MODELS

Installation of Single Units

A and C GRILLE

B and D FULL

A and B FULL

C and D FULL

A and C FULL

B and D GRILLE

A and B GRILLE

C and D FULL

A and D GRILLE

B and C FULL

(mm)

Arrangement 1 (m)

1000

800

1000

800

1000

Arrangement 2 (m)

1000

1500

1000

2000

1000

800

2000

800

1000

1500

800

1500

1000

ARRANGEMENT 1

ARRANGEMENT 2

Installation of Several Units

Summary of Contents for VLC HT 704

Page 1: ...d installation et de maintenance Installations und Wartungshandbuch Manuale di installazione e di manutenzione Manual de instalación y de mantenimiento English Français Español Deutsch Italiano 173 300 kW 200 337 kW ISO 9001 2015 certified management system Part number Code Code Codice Código 342603 K Supersedes Annule et remplace Annulliert und ersetzt Annulla e sostituisce Anula y sustituye 3426...

Page 2: ... 5 4 Delivery to the customer 20 6 CONTROL 6 1 Control of VLH VLC with 4 compressors the Chiller Control system 21 6 2 Display 22 6 3 Key board 22 6 4 Protection and Safety Equipment 25 6 5 HPF version configuration 26 7 GENERAL DESCRIPTION 7 1 Introduction 27 7 2 General specifications 27 7 3 Compressors 27 7 4 Refrigeration circuits 27 7 5 Water heat exchanger 27 7 6 Air heat exchanger 28 7 7 Fa...

Page 3: ...In order for this warranty to be valid the following conditions shall be met n The machine must be operated only by skilled per sonnel from Authorised After Sales Service n Maintenance must be performed only by skilled per sonnel from one of Authorised After Sales Centers n Use only original spare parts n Carry out all the planned maintenance provided for by this manual in a timely and proper way ...

Page 4: ...for units pro vided with air heat exchangers must be al ways mounted and must never be removed before de energising the appliance It is the User s responsibility to ensure that the unit is fit for the conditions of intended use and that both installation and mainte nance are carried out by experienced per sonnel capable of respecting all the rec ommendations provided by this manual It is important...

Page 5: ...e sure to have understood the instructions before using them n be sure to have removed all tools electrical cables and any other objects before closing and starting the unit again 2 5 Precautions against residual risks Prevention of residual risks caused by the control system n be sure to have perfectly understood the operating instructions before carrying out any operation on the control panel n ...

Page 6: ...d n wear suitable personal protective equipment hel met safety gloves goggles and shoes etc To carry out any measurements or checks which re quire the activation of the machine n work with the electrical board open only for the nec essary time n close the electrical board as soon as the measure ment or check has been completed n for outdoor units do not carry out any operations in the presence of ...

Page 7: ...MAX WATER OPERATING PRESSURE MASSA MASS SYSTEMAIR S r l Via XXV Aprile 29 20825 BARLASSINA MB ITALIA MADE IN ITALY COD NO P35952 MODELLO MODEL MATRICOLA SERIAL NO CODICE PRODUCT CODE MODELLO MODEL MATRICOLA SERIAL NO CODICE PRODUCT CODE MODELLO MODEL MATRICOLA SERIAL NO CODICE PRODUCT CODE bar C V PH Hz max A max A max Kw bar Kg ANNO DI COSTRUZIONE Manuf Year ANNO DI COSTRUZIONE Manuf Year ANNO DI...

Page 8: ...ENZIONE Non lasciare l unità con acqua nel circuito idraulico durante l inverno o quando non è funzionante ATTENTION Ne laissez pas l unitè avec de l eau dans le circuit hydraulique pendant l hiver ou quand elle ne travaille pas WARNUNG Lassen Sie nicht das Wasser in die Schaltung während des Winters oder wenn es nicht funktionient ATENCÍON No deje el agua en el circuito hidráulico durante el invi...

Page 9: ...n death of the patient Very high 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 In case of breathing difficulties or arrest pro ceed with artificial respiration In case of cardiac arrest proceed with cardiac massage Then obtain medical attention Semi...

Page 10: ...is well venti lated Considerable 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 cre ate a stuffy atmosphere The best method is recovery and recycling If this method is not practica ble dispose according to an approved procedure that shall ensure the a...

Page 11: ...ay corrode some types 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 oil It is important to wear protective clothing and especially goggles Stop the source of the leak Reduce the leak with absorbing substances sand sawdust or any other absorbing mater...

Page 12: ...rm manufacturer immediately Please note that manufacturer 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 must be lifted by using the hooks inserted into the relevant eyebolts see the figure WARNING It is recommended to use a spacer to prevent cables from damaging the unit see the figure Be...

Page 13: ...be displaced and then lifted again 3 3 Anchoring It is not essential to secure the unit to the foundations unless in areas where there is a serious risk of earth quake or if the appliance is installed on the top of a steel frame Transport Lifting and Positioning WARNING WARNING WARNING WARNING 3 4 Storage When the unit is to be stored before installation adopt a few precautions to prevent any dama...

Page 14: ... the direction of prevailing winds so as to ensure a uniform distribution of the air on finned exchangers n the unit must not be installed near boilers vent pipes n 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 into the atmosphere Otherwise the grease is likely to deposit on the fins of the ref...

Page 15: ...ufacturer s instructions As a general rule the flow switch shall be mounted on a horizontal pipe at a distance from the curves equal to 10 times the diameter of the pipe and far from valves or other components that are likely to hinder the water flow upstream of or downstream from the flow switch n The bleed valves must be mounted on the highest point of the piping n The stop valves must be mounte...

Page 16: ...the free drainage of waste water without the risk of produc ing ice banks The heat pump units must be installed in positions where the defrosting water cannot create any dam age Installation Flow Switch Unit External Hydraulic Circuit Connection Diagram Legends I Pressure gauge connection S Gate valve F1 Flow Switch GA Flexible hoses R Drain cock T Thermometer F Filter I1 I2 Pressure gauge connect...

Page 17: ...it through a line whose un balance exceeds the permissible value will automatically void the warranty Installation 4 6 Power supply Before carrying out any operations on the electrical system make sure that the unit is deenergised It is important that the appliance is grounded The company in charge of the installation shall conform to the standards applicable to outdoor electrical connections The ...

Page 18: ...Page 17 English Installation VLH VLC Version Electrical Connections VLS VLH VLC Version Electrical Connections ...

Page 19: ... with the unit already wired and must be fitted on the water connections at the heat reclaim condenser inlet and outlet see wiring diagram Three way valve The three way valve must be installed on site It per mits bypassing the heat reclaim condenser for correct operation at low return water temperature Water and electrical connections as well as thermal insulation must be made at the time of insta...

Page 20: ...lters on the suction side of the pumps n Adjust the liquid distribution network in such a way that the flow rate is within the specified range n Check that the water quality is up to the specifica tions n Check that oil heaters if any have been turned on at least 12 hours before 5 2 Start up Start up sequence n Turn on the Main switch at least 12 hours before n Check that the oil in the compressor...

Page 21: ...and evaporation tempera tures during operation at high and low pressure de tected by the pressure gauges of the refrigerant are within the following range On the units not provided with HP LP pressure gaug es for the refrigerant connect a pressure gauge to the Shrader valves on the refrigeration circuit 5 4 Delivery to the customer n Train the user according to the instructions provided in Section...

Page 22: ...ol of VLH VLC with 4 compressors The CHILLER CONTROL system The machines with 4 scroll compressors are provided with a microprocessor card which is fully programmed by default for the control of a chiller of cold only type with 2 circuits 2 compressors per circuit a high pres sure transducer per circuit The control system consists of Keyboard Display Terminal General information The figure shows t...

Page 23: ...the UP DOWN keys After you have selected the desired value press the ENTER key again to store it Control Access to the display mask of the machine status Esc key allows you to move from one mask to another Alarm key used to display the alarms to re set them in manual Press it one to display the mask of the activa ted alarm press it again to reset the alarm signal Prg Esc keys Pressing these keys a...

Page 24: ... reset 27 Thermal protection compressor 1 Sys 2 manual reset 28 Thermal protection compressor 2 Sys 2 manual reset 30 Fan Thermal protection manual reset Only CO HP 31 Fan Thermal protection Group 1 Sys 1 manual reset Only RE 32 Fan Thermal protection Group 2 Sys 1 manual reset Only RE 33 Fan Thermal protection Group 1 Sys 2 manual reset Only RE 34 Fan Thermal protection Group 2 Sys 2 manual reset...

Page 25: ...to reset 123 Low pressure Sys 2 switch auto reset 124 Thermal protection compressor 1 Sys 1 auto reset 125 Thermal protection compressor 2 Sys 1 auto reset 127 Thermal protection compressor 1 Sys 2 auto reset 128 Thermal protection compressor 2 Sys 2 auto reset 130 Fan Thermal protection auto reset Only CO HP 131 Fan Thermal protection Group 1 Sys 1 auto reset Only RE 132 Fan Thermal protection Gr...

Page 26: ...LH models The VLH units are provided with an automatic defrost ing system which prevents the formation of exces sive ice banks on coolant air exchangers during heat pump operation This system which is part of the electronic control sys tem is of the time suction pressure type and when the suction pressure detected by a sensor drops below a fixed limit once the preset time is over switches from hea...

Page 27: ... Size High Static Pressure Fan Pa Fan RPM Parameter in Service Level Max Speed Vdc VLH 704 45 900 6 8 75 950 7 3 100 1000 7 8 130 1050 8 3 160 1100 8 9 VLH 804 45 900 6 8 75 950 7 3 100 1000 7 8 130 1050 8 3 160 1100 8 9 VLH 904 50 900 6 8 80 950 7 3 105 1000 7 8 130 1050 8 3 160 1100 8 9 VLH 1004 55 900 6 8 80 950 7 3 105 1000 7 8 130 1050 8 3 160 1100 8 9 VLH 1104 60 900 6 8 85 950 7 3 105 1000 ...

Page 28: ...ion circuits Each unit has two complete refrigeration circuits including a service valve to fill the unit with re frigerant shut off valves thermostatic expansion valve dehydrating filter sight glass with humid ity indicator a differential pressure switch for the water The outdoor VLC units are marked by the absence of the evaporator and are equipped with shut off cocks on the suction line and on ...

Page 29: ...ype 2 Air cooled condenser 3 Filter Drier 4 Electronic expansion valve 5 Globe valve 6 Check valve 7 Liquid receiver 8 Four way valve 9 Suction accumulator 10 Sight glass 11 Heat exchanger dual type 12 Desuperheathers optional Safety control devices A High Pressure switch 42 bar AT High Pressure transducer BT Low Pressure transducer C Water differential pressure switch 105 bar D Air temperature se...

Page 30: ...m Scroll Type 2 Air cooled condenser 3 Globe valve Safety control devices A High Pressure switch 42 bar AT High Pressure transducer BT Low Pressure transducer D Air temperature sensor G PED pressure relief valve 46 bar S 5 16 Shrader connenction service only Pipe connection with Shrader Valve ...

Page 31: ... manual and a transformer For longer distances i e up to 50m you can use a multipolar cable of minimum section 0 25mm Con ductors should be connected directly and according to the diagram with accompanies the installation instruc tions Remote wall terminal Makes it possible to check the unit through a remote terminal up to a maximum distance of 200 meters RS 485 serial card for MODBUS or LONWORK o...

Page 32: ...s kPa 18 5 19 2 9 10 8 13 4 16 3 Nominal pressure drops kPa 47 5 49 1 23 1 27 7 34 4 41 7 Max pressure drops kPa 131 8 136 4 64 76 9 95 5 115 7 P K Q2 PRESSURE DROP IN THE DESUPERHEATER VLH 704 VLH 804 VLH 904 VLH 1004 VLH 1104 VLH 1204 K kPa l s 2 20 61 14 26 14 26 14 26 9 33 9 33 Minimum flow rate l s 0 7 0 8 0 9 1 1 1 1 2 Nominal flow rate l s 1 1 1 3 1 4 1 6 1 8 2 Max water flow rate l s 1 9 2...

Page 33: ...nections Type Threaded Gas Male Inlet diameter inch 2 1 2 2 1 2 3 Outlet diameter inch 2 1 2 2 1 2 3 Weights Shipping weight kg 1663 1806 1955 Operating weight kg 1675 1820 1980 Additional Weights HSE HPF versions kg 30 30 40 Desuperheater versions kg 20 30 30 With one pump kg 85 85 90 With two pumps kg 200 200 205 With pump and tank 500 lt kg 350 350 350 With pumps and tank 500 lt kg 400 400 400 ...

Page 34: ... Type Coil Hydraulic connections Type Threaded Gas Male Inlet diameter inch 3 3 3 Outlet diameter inch 3 3 3 Weights Shipping weight kg 2100 2190 2200 Operating weight kg 2125 2215 2225 Additional Weights HSE HPF versions kg 40 40 40 Desuperheater versions kg 30 30 30 With one pump kg 90 95 95 With two pumps kg 205 215 215 With pump and tank 500 lt kg 350 350 350 With pumps and tank 500 lt kg 400 ...

Page 35: ...ndenser Type Coil Hydraulic connections Type Threaded Gas Male Inlet diameter inch 2 1 2 2 1 2 3 Outlet diameter inch 2 1 2 2 1 2 3 Weights Shipping weight kg 1663 1806 1955 Operating weight kg 1675 1820 1980 Additional Weights HSE versions kg 30 30 40 Desuperheater versions kg 20 30 30 With one pump kg 85 85 90 With two pumps kg 200 200 205 With pump and tank 500 lt kg 350 350 350 With pumps and ...

Page 36: ...2 25 2 25 2 Condenser Type Coil Hydraulic connections Type Threaded Gas Male Inlet diameter inch 3 3 3 Outlet diameter inch 3 3 3 Weights Shipping weight kg 2100 2190 2200 Operating weight kg 2125 2215 2225 Additional Weights HSE versions kg 40 40 40 Desuperheater versions kg 30 30 30 With one pump kg 90 95 95 With two pumps kg 205 215 215 With pump and tank 500 lt kg 350 350 350 With pumps and ta...

Page 37: ...ndenser Type Coil Hydraulic connections Type Threaded Gas Male Inlet diameter inch 2 1 2 2 1 2 3 Outlet diameter inch 2 1 2 2 1 2 3 Weights Shipping weight kg 1698 1841 1990 Operating weight kg 1710 1855 2015 Additional Weights HSE versions kg 30 30 40 Desuperheater versions kg 20 30 30 With one pump kg 85 85 90 With two pumps kg 200 200 205 With pump and tank 500 lt kg 350 350 350 With pumps and ...

Page 38: ...2 25 2 25 2 Condenser Type Coil Hydraulic connections Type Threaded Gas Male Inlet diameter inch 3 3 3 Outlet diameter inch 3 3 3 Weights Shipping weight kg 2140 2230 2240 Operating weight kg 2165 2255 2265 Additional Weights HSE versions kg 40 40 40 Desuperheater versions kg 30 30 30 With one pump kg 90 95 95 With two pumps kg 205 215 215 With pump and tank 500 lt kg 350 350 350 With pumps and ta...

Page 39: ... 6 Water volume l 11 5 13 3 25 2 Condenser Type Coil Hydraulic connections Type Threaded Gas Male Inlet diameter inch 2 1 2 2 1 2 3 Outlet diameter inch 2 1 2 2 1 2 3 Weights Shipping weight kg 1693 1836 1995 Operating weight kg 1705 1850 2020 Additional Weights Desuperheater versions kg 20 30 30 With one pump kg 85 85 90 With two pumps kg 200 200 205 With pump and tank 500 lt kg 350 350 350 With ...

Page 40: ...Pa 28 4 35 1 43 2 Water volume l 25 2 25 2 25 2 Condenser Type Coil Hydraulic connections Type Threaded Gas Male Inlet diameter inch 3 3 3 Outlet diameter inch 3 3 3 Weights Shipping weight kg 2140 2230 2240 Operating weight kg 2165 2255 2265 Additional Weights Desuperheater versions kg 30 30 30 With one pump kg 90 95 95 With two pumps kg 205 215 215 With pump and tank 500 lt kg 350 350 350 With p...

Page 41: ... Coil Refrigerant connections Inlet diameter inch 7 8 7 8 1 1 8 Outlet diameter inch 15 8 15 8 2 1 8 Weights Shipping weight kg 1367 1494 1578 Additional Weights HSE HPF versions kg 30 30 40 Dimensions Length mm 4300 4300 4300 Width mm 1100 1100 1100 Height mm 2300 2300 2300 1 The value is representing the contribution to the global refrigerant charge given by the standard unit only Contribution o...

Page 42: ...100 Condenser Type Coil Refrigerant connections Inlet diameter inch 1 1 8 1 1 8 1 1 8 Outlet diameter inch 2 1 8 2 1 8 2 1 8 Weights Shipping weight kg 1622 1639 1642 Additional Weights HSE HPF versions kg 40 40 40 Dimensions Length mm 4300 4300 4300 Width mm 1100 1100 1100 Height mm 2300 2300 2300 1 The value is representing the contribution to the global refrigerant charge given by the standard ...

Page 43: ...0 0 100 Condenser Type Coil Refrigerant connections Inlet diameter inch 7 8 7 8 1 1 8 Outlet diameter inch 15 8 15 8 2 1 8 Weights Shipping weight kg 1367 1494 1578 Additional Weights HSE versions kg 30 30 40 Dimensions Length mm 4300 4300 4300 Width mm 1100 1100 1100 Height mm 2300 2300 2300 1 The value is representing the contribution to the global refrigerant charge given by the standard unit o...

Page 44: ...stages 0 100 0 100 0 100 Condenser Type Coil Refrigerant connections Inlet diameter inch 1 1 8 1 1 8 1 1 8 Outlet diameter inch 2 1 8 2 1 8 2 1 8 Weights Shipping weight kg 1622 1639 1642 Additional Weights HSE versions kg 40 40 40 Dimensions Length mm 4300 4300 4300 Width mm 1100 1100 1100 Height mm 2300 2300 2300 1 The value is representing the contribution to the global refrigerant charge given...

Page 45: ...0 0 100 Condenser Type Coil Refrigerant connections Inlet diameter inch 7 8 7 8 1 1 8 Outlet diameter inch 15 8 15 8 2 1 8 Weights Shipping weight kg 1402 1529 1613 Additional Weights HSE versions kg 30 30 40 Dimensions Length mm 4300 4300 4300 Width mm 1100 1100 1100 Height mm 2300 2300 2300 1 The value is representing the contribution to the global refrigerant charge given by the standard unit o...

Page 46: ...stages 0 100 0 100 0 100 Condenser Type Coil Refrigerant connections Inlet diameter inch 1 1 8 1 1 8 1 1 8 Outlet diameter inch 2 1 8 2 1 8 2 1 8 Weights Shipping weight kg 1662 1679 1682 Additional Weights HSE versions kg 40 40 40 Dimensions Length mm 4300 4300 4300 Width mm 1100 1100 1100 Height mm 2300 2300 2300 1 The value is representing the contribution to the global refrigerant charge given...

Page 47: ...ondenser Type Coil Refrigerant connections Inlet diameter inch 7 8 7 8 1 1 8 Outlet diameter inch 15 8 15 8 2 1 8 Weights Shipping weight kg 1402 1529 1613 Additional Weights Desuperheater versions kg 20 20 30 With one pump kg 85 85 90 With two pumps kg 200 200 205 Copper Fins kg 520 520 520 Dimensions Length mm 4300 4300 4300 Width mm 1100 1100 1100 Height mm 2300 2300 2300 1 The value is represe...

Page 48: ...0 Condenser Type Coil Refrigerant connections Inlet diameter inch 1 1 8 1 1 8 1 1 8 Outlet diameter inch 2 1 8 2 1 8 2 1 8 Weights Shipping weight kg 1662 1679 1682 Additional Weights Desuperheater versions kg 30 30 30 With one pump kg 90 95 95 With two pumps kg 205 210 210 Copper Fins kg 520 880 880 Dimensions Length mm 4300 4300 4300 Width mm 1100 1100 1100 Height mm 2300 2300 2300 1 The value i...

Page 49: ...data VLH VLC L 704 804 904 1004 1104 1204 Rated voltage V ph Hz 400 10 3 50 Max absorbed power kW 78 6 94 2 102 2 109 0 127 0 145 0 Rated current A 106 9 114 9 135 2 153 2 165 2 177 2 Max current FLA A 180 9 166 9 186 2 203 2 232 2 261 2 Max start up current LRA A 344 9 351 9 371 2 426 7 479 2 508 2 External fuses A 250 0 250 0 250 0 250 0 315 0 315 0 Max cable section mm2 3x120 3x120 3x120 3x120 ...

Page 50: ...rrent LRA A 350 357 378 434 486 515 External fuses A 250 250 250 250 315 315 Max cable section mm2 3x120 3x120 3x120 3x120 3x185 3x185 Exchanger resistance Rated voltage V ph Hz 230 10 1 50 Max absorbed power W 130 VLH VLC HSE S 704 804 904 1004 1104 1204 Rated voltage V ph Hz 400 10 3 50 Max absorbed power kW 82 6 98 2 107 6 114 4 132 4 150 4 Rated current A 112 3 120 3 142 4 160 4 172 4 184 4 Ma...

Page 51: ... 150 150 x2 150 150 x2 VLH VLC HPF 704 804 904 1004 1104 1204 Rated voltage V ph Hz 400 10 3 50 Max absorbed power kW 81 4 97 106 112 8 130 8 148 8 Rated current A 111 1 119 1 140 8 158 8 170 8 182 8 Max current FLA A 185 1 171 1 191 8 208 8 237 8 266 8 Max start up current LRA A 349 1 356 1 376 8 432 3 484 8 513 8 External fuses A 250 250 250 250 315 315 Max cable section mm2 3x120 3x120 3x120 3x...

Page 52: ...4 4 4 4 Rated power kW 1 25 1 25 1 25 1 25 1 25 1 25 Absorbed rated current FLA A 2 3 2 3 2 3 2 3 2 3 2 3 VLH VLC HSE STD L S 704 804 904 1004 1104 1204 Rated voltage V ph Hz 400 10 3 50 Number 3 3 4 4 4 4 Rated power kW 2 6 2 6 2 6 2 6 2 6 2 6 Absorbed rated current FLA A 4 1 4 1 4 1 4 1 4 1 4 1 VLH VLC HPF 704 804 904 1004 1104 1204 Rated voltage V ph Hz 400 10 3 50 Number 3 3 4 4 4 4 Rated powe...

Page 53: ...29 190 480 2200 1004 458 367 405 303 341 250 2125 2100 1044 1985 1629 190 480 2200 1104 468 387 416 322 351 270 2215 2190 1044 1985 1629 190 480 2200 1204 471 388 418 324 354 271 2225 2200 1044 1985 1629 190 480 2200 VLH 704 1204 Al Cu STD L S HT Version VLC Al Cu Weight distribution Shipping weight P1 P6 coordinates CG coordinates F1 F2 F3 F4 F5 F6 a b c d x y kg kg kg kg kg kg kg mm mm mm mm mm ...

Page 54: ...50 2150 1104 561 591 506 525 440 471 3095 3070 1044 1985 1629 190 550 2150 1204 563 593 509 526 442 472 3105 3080 1044 1985 1629 190 550 2150 VLH 704 1204 Cu Cu STD L S HT Version VLC Cu Cu Weight distribution Shipping weight P1 P6 coordinates CG coordinates F1 F2 F3 F4 F5 F6 a b c d x y kg kg kg kg kg kg kg mm mm mm mm mm mm 704 378 399 330 339 270 291 2010 1044 1985 1629 190 560 2220 804 422 422...

Page 55: ... with desuperheater WATER CONNECTIONS 704 804 904 1204 WATER OUTLET A 2 1 2 M 3 M WATER INLET with pump B 2 1 2 M 3 M WATER INLET without pump C 2 1 2 M 3 M DESUPERHEATER IN OUT D 4x 1 M 704 804 904 1204 H1 233 273 H2 602 840 H3 950 977 L 695 718 8 5 Overall dimensions ...

Page 56: ...Page 55 English Technical data VLC 704 1204 STD L S HT 704 804 904 1204 H1 279 273 H2 393 387 C 83 86 D1 703 698 D2 713 709 S 1 5 8 2 1 8 L 7 8 1 1 8 ...

Page 57: ...H 704 1204 with hidrokit Max with desuperheater WATER CONNECTIONS 704 804 904 1204 WATER OUTLET A 2 1 2 M 3 M WATER INLET with pump B 2 1 2 M 3 M DESUPERHEATER IN OUT D 4x 1 M 704 804 904 1204 H1 233 213 H2 960 990 L 1186 1208 ...

Page 58: ...Single Units A and C GRILLE B and D FULL A and B FULL C and D FULL A and C FULL B and D GRILLE A and B GRILLE C and D FULL A and D GRILLE B and C FULL A1 mm A2 mm A3 mm A1 mm A2 mm A3 mm A1 mm A2 mm A3 mm A1 mm A2 mm A3 mm A1 mm A2 mm A3 mm Arrangement 1 m 1000 1000 1000 1000 800 800 1000 800 800 1000 Arrangement 2 m 1000 1500 1000 1000 2000 1000 800 2000 800 1000 1500 800 800 1500 1000 ARRANGEMEN...

Page 59: ...und the costs incurred to repair the appli ance in its original state The provisions of this section apply only to standard units according to the order requirements other doc umentation may be added concerning any modifica tions or supplementary accessories 9 2 Planned maintenance Maintenance inspections must be carried out accord ing to the program below by a qualified person As a general rule u...

Page 60: ... to be replaced following a mechanical failure or if burnt contact one of author ised Service Centers Compressors use polyester oil During main tenance operations on the compressor or if you have to open the refrigerant circuit in any point remember that this type of oil is highly hygroscopic and accordingly it is important that it is not left exposed to the weather for prolonged periods as this w...

Page 61: ...tory calibrated for an overheating of 5 C Procedure to check for overheating Measure the suction pressure with the pressure gauges on the board of the unit o using a pressure gauge connected to the service valve on the suction side From the pressure gauge s temperature scale measure the saturated suction temperature Tsa which corresponds to the pressure value Using a contact pressure gauge affixed...

Page 62: ...on of overheating Increase 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 compressor Seized bearings replace the compressor Check that the compressor s locknuts are tightened Low oil level in the compressor One or more gas or oil leaks in the circuit Id...

Page 63: ...are caused by the distribu tion network inform the Energy Distributor Short circuit of the compressor s mo tor Check the continuity of the winding Seized compressor Replace the compressor Activation of the LP alarm stop of the unit Gas leak Identify and remove the leak Insufficient charge Refill Failure of the pressure switch Replace the pressure switch Activation of the HP alarm stop of the unit ...

Page 64: ...iring diagrams are installed inside the doors of the electrical panels of the unit Any request for wiring diagrams shall be forwarded to manufacturer s Ser vice Centre Component Number HP pressure switch 1 LP pressure switch 1 Gas filter 2 Electronic expansion valve 2 Auxiliary relays 2 Fan s fuses 6 Compressor s fuses 6 Auxiliary fuses 6 Set of compressor contactors 1 Fan s contactor 1 Water sens...

Page 65: ...ing fluid MUST be drained in a proper way For NO reason shall a circuit containing glycoled water or a similar solution be dis charged directly into the drains or surface waters After draining operations the piping of the hydraulic networks can be disconnected and disassembled Once they have been disconnected as specified the packaged units can be disassembled in a single piece First of all disass...

Page 66: ...vorherige Ankündigung geändert werden Fotos nicht vertraglich bindend A causa della politica di continua miglioria posta in atto dal costruttore questi prodotti sono soggetti a modifiche senza alcun obbligo di preavviso Le foto pubblicate non danno luogo ad alcun vincolo contrattuale Con objeto de mejorar constantemente nuestros productos pueden ser modificados sin previo aviso Fotos no contractua...

Search results

Summary of Contents for VLC HT 704

Reviews:

Related manuals for VLC HT 704

Brands by name

Popular brands

SystemAir VLC HT 704, Installation And Maintenance Manual

Search results

Summary of Contents for VLC HT 704

Reviews:

Related manuals for VLC HT 704

Brands by name

Popular brands