Galletti LCX Technical Manual
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Galletti LCX Technical Manual

Chillers and heat pumps
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» Super low noise execution available on request
» Electronic expansion valve
» Incorporable hydraulic kit
» Up to 4 compressors
» 1 or 2 cooling circuits
» Remote connectivity with the most common protocols
» Super low noise execution available on request
Technical manual
LCX
chillers and heat pumps
55 k W - 3 60 kW
Axial fan
Scroll
Refrigerant
Cooling only Heating/Cooling
compressor
R-410A
EN
Packaged
execution

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Summary of Contents for Galletti LCX

  • Page 1 Technical manual chillers and heat pumps 55 k W - 3 60 kW Axial fan Scroll Refrigerant Cooling only Heating/Cooling Packaged compressor R-410A execution PLUS » Super low noise execution available on request » Electronic expansion valve » Incorporable hydraulic kit »...
  • Page 2 Dear Customer, Thank you for placing your trust in one of the products of Galletti S.p.a This product is the result of our work and our commitment to design, research, and production and has been made from the finest materials, employing state-of-the-art components and production technology.

  • Page 3: Table Of Contents

                          p 9 RATED TECHNICAL DATA FOR THE LCX C WATER CHILLER                                 p 9 LCX H HEAT PUMPS RATED TECHNICAL DATA                                                p 14...

  • Page 4: Series

    SERIES BEYOND CONVENTIONAL WORKING Water chillers and heat pumps of the series LCX are designed for outdoor installation in both residential and commercial LIMITS applications. The finned block heat exchangers have been optimised for The series consists of 16 models with cooling capacities from 55...

  • Page 5: 13 Hydraulic Options                           P

    97% of the time under part load conditions. All LCX models are constructed so that the water inlet and outlet pipes are outside the unit. Pairs of quick connect couplings with a welding ring are available as an optional.

  • Page 6: Constructive Features

    CONSTRUCTIVE FEATURES STRUCTURE to the specifications of Directive 2014/68/UE (PED) for brazing. Strict design and quality control standards are applied during all Galvanised steel sheet base with a textured polyester powder phases of construction of the internal piping. For all rated pow- coating for outdoors (colour RAL9005, deep black).

  • Page 7: 24 Fan Drive Assembly                           P

    The finned block condensers can be fitted with a protective out- er grille. ELECTRONIC MICROPROCESSOR CONTROL The electronic control enables the complete control of the LCX unit. It can be easily accessed through a polycarbonate flap with IP65 protection rating. By reading the outdoor air temperature, it can automatically change the setpoint to adapt it to the outdoor load conditions or keep the unit running even in the harshest winter conditions.

  • Page 8: Configuration Options

    CONFIGURATION OPTIONS The LCX series consists of 16 models with different cooling ca- noise control (STAnDARD, LOW nOISE or QUIET). pacities,in cooling only or reversible heat pump. All models op- It will then be necessary to choose the optionals and accessories erates with R410A refrigerant.

  • Page 9: Technical Features

    TECHNICAL FEATURES RATED TECHNICAL DATA FOR THE LCX C WATER CHILLER » LCX CS air/water chillers rated technical data STANDARD version Power supply V-ph-Hz 400 - 3N - 50 Cooling capacity (1)(E) 88,8 Total power input (1)(E) 32,1 35,9 40,4...
  • Page 10 Power supply V-ph-Hz 400 - 3N - 50 Cooling capacity (1)(E) Total power input (1)(E) 58,2 65,6 76,2 95,7 90,5 Absorbed rated current 97,1 (1)(E) 2,78 2,79 2,65 2,56 2,91 2,82 2,57 Eurovent efficiency class SEER 4,13 4,28 4,31 4,19 4,33 4,37 4,15...
  • Page 11 » LCX CL air/water chillers rated technical data LOW NOISE version Power supply V-ph-Hz 400 - 3N - 50 Cooling capacity (1)(E) 58,3 66,7 78,6 88,9 90,6 Total power input (1)(E) 20,3 22,9 26,5 31,0 31,4 35,1 35,9 Absorbed rated current...
  • Page 12 Power supply V-ph-Hz 400 - 3N - 50 Cooling capacity (1)(E) Total power input (1)(E) 40,1 41,0 46,6 46,4 58,5 56,1 63,6 Absorbed rated current 64,9 66,3 75,2 74,9 94,0 90,2 (1)(E) 2,82 2,85 2,74 2,87 2,74 2,72 2,79 Eurovent efficiency class (1)(E) SEER 4,15...
  • Page 13 Power supply V-ph-Hz 400 - 3N - 50 Cooling capacity (1)(E) Total power input (1)(E) 74,2 83,9 90,0 Absorbed rated current (1)(E) 2,66 2,62 2,84 2,59 2,59 2,26 Eurovent efficiency class (1)(E) SEER 4,25 4,16 4,28 4,34 4,10 4,12 Maximum current absorption Start up current Startup current with soft starter Compressors / circuits...

  • Page 14: Lcx H Heat Pumps Rated Technical Data

    LCX H HEAT PUMPS RATED TECHNICAL DATA » LCX HS air/water chillers rated technical data STANDARD version Power supply V-ph-Hz 400 - 3N - 50 Cooling capacity (1)(E) 87,7 Total power input (1)(E) 32,0 35,3 40,4 41,9 50,8 50,7 58,8...
  • Page 15 Power supply V-ph-Hz 400 - 3N - 50 Cooling capacity (1)(E) Total power input (1)(E) 58,1 65,6 76,2 95,7 90,4 Absorbed rated current 97,1 (1)(E) 2,74 2,74 2,61 2,53 2,88 2,77 2,72 2,53 Eurovent efficiency class (1)(E) SEER 3,45 3,64 3,67 3,55 3,69...
  • Page 16 » LCX HL air/water chillers rated technical data LOW NOISE version Power supply V-ph-Hz 400 - 3N - 50 Cooling capacity (1)(E) 57,3 65,6 77,6 87,4 89,0 Total power input (1)(E) 20,3 22,9 26,5 31,1 31,5 35,2 36,1 Absorbed rated current...
  • Page 17 Power supply V-ph-Hz 400 - 3N - 50 Cooling capacity (1)(E) Total power input (1)(E) 40,6 41,1 47,1 47,0 59,6 56,4 63,6 Absorbed rated current 65,7 66,5 75,3 75,2 95,2 90,4 (1)(E) 2,75 2,81 2,68 2,82 2,65 2,67 2,77 SEER 3,80 3,61 3,79...
  • Page 18 Power supply V-ph-Hz 400 - 3N - 50 Cooling capacity (1)(E) Total power input (1)(E) 75,2 84,8 90,8 Absorbed rated current (1)(E) 2,59 2,55 2,78 2,55 2,54 SEER 3,89 3,68 3,86 3,82 3,89 Eurovent efficiency class (1)(E) Heating capacity (3)(E) Total power input (3)(E) 67,3...

  • Page 19: 43 Ped Category                                P

    PED CATEGORY The water chillers and heat pumps comply with directive 2014/68//EC (PED). Series Size Notified body PED Category Marking Frame 2 0476 CE + PED Frame 3 0476 CE + PED Frame 3+ 0476 CE + PED Frame 4 0476 CE + PED Frame 5...

  • Page 20: Performances

    PERFORMANCES Galletti has developed on its www.galletti.com web-area the based on real working conditions and their configuration help- new On-LInE integrated platform for product selection, config- ing the user in choosing options and accessories. It also allows to uration and the making of the economic offer.

  • Page 21: Calculation Factors

    CALCULATION FACTORS CHANGE IN OPERATING PARAMETERS WITH DT OTHER THAN 5°C After identifying the unit’s performance in the terms of the desired outlet water temperature, correct the value by multiplying it by the following corrective coefficients. Difference between water inlet Corrective coefficient of cooling/ Correction coefficient of Correction coefficient of water...

  • Page 22: Sound Levels

    SOUND LEVELS » Sound power level LCX CS STANDARD version 125 Hz (1) 250 Hz (1) 500 Hz (1) 1000 Hz (1) 2000 Hz (1) 4000 Hz (1) 8000 Hz (1) LwA (2) dB(A) 92 - 102 83,3 89,7 80,8...
  • Page 23 » Sound power levels LCX HL LOW-NOISE execution 125 Hz (1) 250 Hz (1) 500 Hz (1) 1000 Hz (1) 2000 Hz (1) 4000 Hz (1) 8000 Hz (1) LwA (2) dB(A) 062 - 072 - 082 77,8 84,2 75,3...

  • Page 24: Operating Limits

    OPERATING LIMITS The graphs below illustrate the operating limits of LCX units (in air temperatures falling within the range defined by the op- the case of continuous operation) in relation to the outlet water erating limits. Attempting to operate the units beyond these temperature and outdoor air temperature.

  • Page 25: 82 Operating Limits In Heat Pump Mode      P

    OPERATING LIMITS IN HEAT PUMP MODE » Operating limits in heat pump mode Evaporation control Electronic expansion valve Standard Operating range calculated with temperature difference of 5°C on the water side. THERMAL CARRYING FLUID The units belonging to the LCXseries can work with mixtures of water and up to 30% ethylene glycol.

  • Page 26: Water Pressure Drop

    The table and diagrams shows the evaporator pressure drops (Δ ) as a function of the water flow rate (Q ), assuming an average water temperature of 10 °C. » Water pressure drop LCX CS » Water pressure drop LCX HS TEChnICAL MAnUAL...
  • Page 27 » Water pressure drop LCX CL » Water pressure drop LCX HL RG66010694-09 All copying, even partial, of this manual is strictly forbidden...

  • Page 28: Available Pressure Head

    10 °C. function of the water flow rate (Q ), assuming an average water » Available pressure head diagram STANDARD LP OR pump - LCX CS » Available pressure head diagram STANDARD LP OR pump - LCX HS TEChnICAL MAnUAL...
  • Page 29 » Available pressure head diagram STANDARD LP OR pump - LCX CL » Available pressure head diagram STANDARD LP OR pump - LCX HL RG66010694-09 All copying, even partial, of this manual is strictly forbidden...

  • Page 30: 102 Available Pressure Head Hp Or Pumps    P

    The diagrams show the total head of the pump (Pump head) as a temperature of 10 °C. function of the water flow rate (Qw), assuming an average water » Available pressure head diagram HP OR pump - LCX CS » Available pressure head diagram HP OR pump - LCX HS TEChnICAL MAnUAL...
  • Page 31 » Available pressure head diagram HP OR pump - LCX CL » Available pressure head diagram HP OR pump - LCX HL RG66010694-09 All copying, even partial, of this manual is strictly forbidden...

  • Page 32: 103 Available Pressure Head And Pumps      P

    10 °C. function of the water flow rate (Qw), assuming an average water » Available pressure head diagram STANDARD LP AND pump - LCX CS » Available pressure head diagram STANDARD LP AND pump - LCX HS TEChnICAL MAnUAL...
  • Page 33 » Available pressure head diagram STANDARD LP AND pump - LCX CL » Available pressure head diagram STANDARD LP AND pump - LCX HL RG66010694-09 All copying, even partial, of this manual is strictly forbidden...

  • Page 34: 104 Available Pressure Head Hp And Pumps

    10 °C. function of the water flow rate (Qw), assuming an average water » Available pressure head diagram STANDARD LP AND pump - LCX CS » Available pressure head diagram STANDARD LP AND pump - LCX HS TEChnICAL MAnUAL...
  • Page 35 » Available pressure head diagram STANDARD LP AND pump - LCX CL » Available pressure head diagram HP AND pump - LCX HL RG66010694-09 All copying, even partial, of this manual is strictly forbidden...

  • Page 36: Water Circuit

    (+/- 15%) in all operating conditions. pansion tank and to detect water leakage in advance. A standard feature of LCX units is a device for controlling the Ū Traps on incoming and outgoing pipes for temperature flow rate (flow switch or differential pressure switch) in the water measurements, which can provide a direct reading of the circuit in the immediate vicinity of the evaporator.

  • Page 37: 112 Water Circuit                                P

    Evaporator 10 - 11 - Flow switch 12 - 13 - ------ Internal and external borderline ——— OPTIONAL » LCX (evaporator and 2 pumps) LEGEND Evaporator Safety valve 10 - 11 Hydraulic pump Flow switch 12 Clapet valve 13 Gate valve ------ Internal and external borderline ———...
  • Page 38 11 Hydraulic pump Flow switch 12 - 13 Gate valve ------ Internal and external borderline ——— OPTIONAL Expansion tank » LCX (evaporator, tank and 2 pumps) LEGEND Evaporator Safety valve 10 - 11 Hydraulic pump Flow switch 12 Clapet valve...
  • Page 39 » LCX (evaporator, pump and tank) LEGEND Evaporator Safety valve 10 - 11 Hydraulic pump Flow switch 12 - 13 Gate valve ------ Internal and external borderline Buffer tank ——— OPTIONAL Expansion tank RG66010694-09 All copying, even partial, of this manual is strictly forbidden...
  • Page 40 11.3 DE-SUPERHEATER 11.3.1 Recommended water circuit The partial heat recovery option is provided by a braze-welded from occurring in the cooling circuit in the event of start-ups with plate heat exchanger placed in series on the compressor deliv- very low water temperatures at the recuperator inlet (<35°C), the ery (typically in series in relation to the finned pack condenser).
  • Page 41 The diagrams shows the desuperheater pressure drops (Δ as a temperature of 43 °C. function of the water flow rate (Q ), assuming an average water » Desuperheater pressure drop SINGLE Type Unit model LCX 092,094,102 062,072,122,124,142,144 082,162,164 194,214,244 274,294,324,364 RG66010694-09...
  • Page 42 » Water pressure drop double desuperheater Type Unit model LCX D1+D1 092,094,102 D2+D2 122,124,142,144 D3+D3 162,164 D4+D4 194,214,244 D5+D5 274,294,324,364 11.3.3 Heating capacities corrective factors » De-Superheather heating capacities corrective factors Air temperature (K) Inlet water temperature / Outlet water temperature...

  • Page 43: Installation Clearance Requirements

    12 INSTALLATION CLEARANCE REQUIREMENTS All models belonging to the LCX series are designed and built for outdoor installation: avoid covering them with roof structures or positioning them near plants (even if they only partly cover the unit) which may interfere with the regular ventilation of the unit condenser.

  • Page 44: Siting And Dampers

    This appliance is not intended to be used by children or the bolt (5) to the unit base. DAMPERS FRAME 2 FRAME 3 FRAME 3+ FRAME 4 FRAME 5 FRAME 6 » Dampers components See the vibration dumpers mounting instructions LCX (code RG66013698). TEChnICAL MAnUAL...

  • Page 45: Dimensions

    14 DIMENSIONS » LCX FRAME 2 Model Version LCX 62-72-82 L - Q LCX 92-102 RG66010694-09 All copying, even partial, of this manual is strictly forbidden...
  • Page 46 » LCX FRAME 3 Model Version LCX 92-102 L - Q LCX 122-142-162 TEChnICAL MAnUAL...
  • Page 47 » LCX FRAME 3+ Model Version LCX 94-104 L - Q LCX 124-144-164 RG66010694-09 All copying, even partial, of this manual is strictly forbidden...
  • Page 48 » LCX FRAME 4 Model Version LCX 122-124-142-144-162-164 L - Q LCX 174-214 LCX 194 L - Q - S TEChnICAL MAnUAL...
  • Page 49 » LCX FRAME 5 Model Version LCX 214 L - Q LCX 244 S - L - Q RG66010694-09 All copying, even partial, of this manual is strictly forbidden...
  • Page 50 » LCX FRAME 6 Model Version LCX 274 L - Q - S LCX 294 L - Q - S LCX 324 L - Q - S LCX 364 S - L TEChnICAL MAnUAL...

  • Page 51: Weights

    In other cases the water content is negligible for these purposes. sessing the most suitable bearing surface for the unit especially » Operating weight C version with pump and full buffer tank LCX CS Total RG66010694-09 All copying, even partial, of this manual is strictly forbidden...
  • Page 52 LCX CS Total 1014 1014 1014 1014 LCX CL Total LCX CL Total 1014 1014 1014 1014 This drawing shows the points of the machine for which weights pump model. The weights are shown in the tables below. have been calculated, with respect to the basic chiller and heat »...
  • Page 53 (very important when as- In other cases the water content is negligible for these purposes. sessing the most suitable bearing surface for the unit especially » Operating weight C version with pump LCX CS Total LCX CS Total...
  • Page 54 » Frame Height Depth Length Water tank content 1735 1183 2442 1735 1183 3190 1679 1183 3540 1847 1653 3538 2247 1653 3538 2330 1653 4206 Important note: the weights of the hydronic modules must in the presence of a tank). be added to the standard weights of the respective basic To get an approximate estimate of the unit’s weight when emp- model (cooling only and heat pump).
  • Page 55 » Operating weight CL version without hydraulic options Total 1260 1275 1310 Total 1290 1330 1440 1460 1510 1620 1943 1975 2010 2110 This drawing shows the points of the machine for which weights pump model. The weights are shown in the tables below. have been calculated, with respect to the basic chiller and heat »...
  • Page 56 » Operating weight H version with pump and full buffer tank LCX HS Total LCX HS Total 1014 1014 1014 1014 LCX HL Total LCX HL Total 1014 1014 1014 This drawing shows the points of the machine for which weights have been calculated, with respect to the basic chiller and heat pump model.
  • Page 57 (very important when as- In other cases the water content is negligible for these purposes. sessing the most suitable bearing surface for the unit especially » Operating weight H version with pump LCX HS Total LCX HS Total...
  • Page 58 LCX HL Total LCX HL Total This drawing shows the points of the machine for which weights pump model. The weights are shown in the tables below. have been calculated, with respect to the basic chiller and heat » Frame...
  • Page 59 1090 1100 1120 1155 1270 Total 1495 1515 1530 1690 2015 2050 2101 2201 » Operating weight HL version without hydraulic options LCX HL Total 1020 1020 1305 1315 1350 LCX HL Total 1345 1375 1495 1515 1590 1690 2015...

  • Page 60: Electrical Data

    16 ELECTRICAL DATA » LCX CS electrical data Power supply V-ph-Hz 400 - 3N - 50 Maximum power input 45,5 52,0 59,6 60,5 65,7 67,3 76,6 75,1 Maximum current absorption 91,0 Start up current Startup current with soft starter Fan motor rated power...
  • Page 61 » LCX CL technical data Power supply V-ph-Hz 400 - 3N - 50 Maximum power input 28,5 31,9 35,8 42,7 44,1 49,2 49,1 56,2 57,1 62,3 Maximum current absorption 51,0 55,0 66,0 77,0 81,0 86,0 87,0 95,0 96,0 Start up current...
  • Page 62 16.1 ELECTRICAL WIRES » Main electrical connection of units TEChnICAL MAnUAL...
  • Page 64 Romagnoli 12/a 40010 Bentivoglio (BO) - Italy Galletti S.p.A Organization has a Ph. +39 051/8908111 - Fax +039 051/8908122 Management System Certified by Kiwa Cermet Italia S.p.A, according to the UnI En ISO 9001:2015, UnI En ISO 14001:2015 and UnI ISO www.galletti.com...

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