Table of Contents

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10590
07 - 2023
I n s t r u c t i o n m a n u a l

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Summary of Contents for CIAT AQUACIATPOWER LD 602R

  • Page 1 10590 07 - 2023 I n s t r u c t i o n m a n u a l...
  • Page 3: Table Of Contents

    CONTENTS 1 - INTRODUCTION AND SAFETY INSTRUCTIONS ........................5 2 - RECEIPT OF GOODS ................................5 2.1 - Checking the equipment received ............................5 3 - HANDLING AND POSITIONING ............................. 6 3.1 - Handling ....................................6 3.2 - Positioning ................................... 6 4 - DIMENSIONS, CLEARANCES, MINIMUM INSTALLATION DISTANCES ................
  • Page 4 CONTENTS 10 - SYSTEM START-UP ................................61 10.1 - Checks before system start-up............................61 10.2 - Commissioning ................................61 10.3 - Essential points to check ..............................62 11 - MAIN COMPONENTS OF THE UNIT AND OPERATING CHARACTERISTICS ..............63 11.1 - Compressors ................................... 63 11.2 - Lubricant ..................................
  • Page 5: Introduction And Safety Instructions

    1 - INTRODUCTION AND SAFETY INSTRUCTIONS The units are designed to cool water (for coolers) and cool or reheat water (for reversible heat pumps) for the air conditioning and heating of buildings and industrial processes. They are designed to provide a very high level of safety and reliability, making installation, start-up, operation and maintenance  easier and safer. They will provide safe and reliable service if used within their application ranges. For all safety instructions, please refer to the safety manual. A paper version is delivered with the machine, the digital version is ...
  • Page 6: Handling And Positioning

    3 - HANDLING AND POSITIONING 3.1 - Handling ■ The  wind  may  affect  the  operation  and  performances  of  machines; baffles may be necessary to protect the unit from  Carrier strongly recommends employing a specialised company strong prevailing winds. These must not restrict the unit's air to unload the machine. flow.
  • Page 7: Dimensions, Clearances, Minimum Installation Distances

    4 - DIMENSIONS, CLEARANCES, MINIMUM INSTALLATION DISTANCES 4.1 - LD and ILD dimensions without water buffer tank module LD and ILD 602R to 2000R Electrical power connection Length (see following unit model table) 1500 1500 Unit model 1200R to 1750R to 2200R to 2800R to AQUACIAT...
  • Page 8 4 - DIMENSIONS, CLEARANCES, MINIMUM INSTALLATION DISTANCES ILD 2300R to 4000R / Without hydraulic module Electrical power connection 1500 2300R to 3200R to 3000R 4000R Length A (mm) 7680 10068 Length B (mm) Length C (mm) Length D (mm) Length E (mm) Victaulic (mm) 5”...
  • Page 9: Ld And Ild Dimensions With Water Buffer Tank Module

    4 - DIMENSIONS, CLEARANCES, MINIMUM INSTALLATION DISTANCES 4.2 - LD and ILD dimensions with water buffer tank module Length (see following unit model table) Electrical power connection Main hydraulic connection 1500 1500 Unit model AQUACIAT 602R to 1100R 1200R to 1600R 1750R to 2000R 2200R to 2650R 2800R to 3500R...
  • Page 10: Free Spaces

    4 - DIMENSIONS, CLEARANCES, MINIMUM INSTALLATION DISTANCES 4.3 - Free spaces Note (the following information is provided by the manufacturer for information purposes only. The application of the following The free spaces presented are determined in order to ensure directives is the sole responsibility of the user): sufficient working and manoeuvring space to carry out In compliance with the directives 2009/104/EC and 1999/92/EC, ...
  • Page 11: Physical And Electrical Data For The Units

    5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.1 - Physical data LD 602R - 3500R AQUACIAT 0602R-A 0650R-A 0750R-A 0900R-A 1100R-A 1200R-A 1350R-A 1400R-A 1600R-A 1750R-A POWER Sound levels Unit + High temperature option/Nominal high performance Sound power dB(A) 91,0 91,5...
  • Page 12 5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS AQUACIAT 0602R-A 0650R-A 0750R-A 0900R-A 1100R-A 1200R-A 1350R-A 1400R-A 1600R-A 1750R-A POWER Circuit A 13,2 13,2 13,2 13,2 19,8 19,8 19,8 Circuit B 13,2 13,2 13,2 13,2 13,2 19,8 19,8 19,8 19,8 26,4 Capacity control...
  • Page 13 5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS AQUACIAT 1800R-A 2000R-A 2200R-A 2400R-A 2650R-A 2800R-A 2950R-A 3200R-A 3500R-A POWER Sound levels Unit + High temperature option/Nominal high performance Sound power dB(A) 94,0 94,5 97,5 97,5 98,0 98,0 98,5 98,5 99,0 Sound pressure at 10 m dB(A)
  • Page 14 5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS AQUACIAT 1800R-A 2000R-A 2200R-A 2400R-A 2650R-A 2800R-A 2950R-A 3200R-A 3500R-A POWER Circuit A 19,8 26,4 13,2 19,8 19,8 19,8 19,8 26,4 26,4 Circuit B 26,4 26,4 19,8 19,8 19,8 26,4 26,4 26,4 26,4 Capacity control...
  • Page 15: Physical Data Ild 602R - 4000R

    5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.2 - Physical data ILD 602R - 4000R AQUACIAT 0602R 0700R 0800R 0900R 1000R 1150R 1250R 1400R 1500R 1600R POWER Sound levels Unit + High temperature option/Nominal high performance dB(A) 90,5 91,0 91,5 92,0...
  • Page 16 5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS AQUACIAT 0602R 0700R 0800R 0900R 1000R 1150R 1250R 1400R 1500R 1600R POWER Circuit A/C 13,2 13,2 13,2 13,2 13,2 13,2 13,2 22,8 Circuit B/D 13,2 13,2 13,2 13,2 13,2 22,8 22,8 30,4 30,4 30,4...
  • Page 17 5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS AQUACIAT 1750R 2000R 2300R 2500R 2800R 3000R 3200R 3500R 4000R POWER Sound levels Unit + High temperature option/Nominal high performance Sound power dB(A) 94,5 95,0 96,0 96,5 97,0 97,0 97,5 97,5 98,0 Sound pressure at 10 m dB(A)
  • Page 18 5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS AQUACIAT 1750R 2000R 2300R 2500R 2800R 3000R 3200R 3500R 4000R POWER 13,2 /  13,2 /  13,2 /  13,2 /  22,8 /  22,8 /  30,4 /  Circuit A/C 22,8 30,4 13,2 13,2 13,2 13,2 22,8 22,8 30,4 22,8 /  22,8 /  30,4 / ...
  • Page 19: Electrical Data Ld 602R - 3500R

    5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.3 - Electrical data LD 602R - 3500R AQUACIAT 0602R 0650R 0750R 0900R 1100R 1200R 1350R 1400R 1600R 1750R POWER Power circuit supply Nominal voltage V-ph-Hz 400 - 3 - 50 Voltage range 360 - 440 Control circuit supply...
  • Page 20: Electrical Data Ild 602R - 4000R

    5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.4 - Electrical data ILD 602R - 4000R AQUACIAT 0602R 0700R 0800R 0900R 1000R 1150R 1250R 1400R 1500R 1600R POWER Power circuit supply Nominal voltage V-ph-Hz 400 - 3 - 50 Voltage range 360 - 440 Control circuit supply...
  • Page 21: Short-Circuit Withstand Current

    5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.5 - Short-circuit withstand current Short-circuit withstand current (TN system AQUACIAT 0602R 0650R 0750R 0900R 1100R 1200R 1350R 1400R 1600R 1750R POWER Rated short-circuit withstand currents Rated short time (1s) kA eff current - Icw Rated peak current - Ipk kA pk...
  • Page 22 5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS AQUACIAT 0602R 0700R 0800R 0900R 1000R 1150R 1250R 1400R 1500R 1600R POWER Rated short-circuit withstand currents Rated short time (1s) current - Icw kA eff (Module 1 / Module 2)   ( a) Allowable rated peak current - Ipk kA pk...
  • Page 23: Electrical Data For The Hydraulic Module

    5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.6 - Electrical data for the hydraulic module The pumps that are factory-installed in these units have motors with efficiency class IE3 for > 0.75 kW motors. The additional  electrical data required is as follows: Low-pressure single pump motors for LD units (Fixed-speed single pump, hydraulic module option) Description 0602R 0650R 0750R 0900R 1100R 1200R 1350R 1400R 1600R 1750R 1800R 2000R Nominal efficiency at full load and ...
  • Page 24 5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS Low-pressure dual pump motors for LD units (Fixed-speed dual pump, hydraulic module option) Description 0602R 0650R 0750R 0900R 1100R 1200R 1350R 1400R 1600R 1750R 1800R 2000R Nominal efficiency at full load and  85,9 85,9 86,4 86,4 87,5 87,5 87,5...
  • Page 25 5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS High-pressure single and dual pump motors for LD units (Fixed- and variable-speed single and dual pumps, hydraulic module option) Description 0602R 0650R 0750R 0900R 1100R 1200R 1350R 1400R 1600R 1750R Nominal efficiency at full load and  87,5 87,5 87,5...
  • Page 26 5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS Description 1800R 2000R 2200R 2400R 2650R 2800R 2950R 3200R 3500R Nominal efficiency at full load and  90,8 90,8 91,6 91,6 91,6 93,1 93,1 93,1 93,1 nominal voltage Nominal efficiency at 75% of full load and  90,8 90,8 92,2 92,2 92,2 93,3 93,3 93,3 93,3 nominal voltage Nominal efficiency at 50% of full load and ...
  • Page 27 5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS Low-pressure single pump motors for ILD units (Fixed-speed single pump, hydraulic module option) Description 0602R 0700R 0800R 0900R 1000R 1150R 1250R 1400R 1500R 1600R 1750R 2000R Nominal efficiency at full load and  86,4 86,4 86,4 86,4 86,4 87,5 89,6...
  • Page 28 5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS Low-pressure dual pump motors for ILD units (Fixed-speed dual pump, hydraulic module option) Description 0602R 0700R 0800R 0900R 1000R 1150R 1250R 1400R 1500R 1600R 1750R 2000R Nominal efficiency at full load and  85,9 86,4 87,5 87,5 87,5 87,5 89,6...
  • Page 29 5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS High-pressure single pumps for ILD units (Fixed- and variable-speed single pumps, hydraulic module option) Description 0602R 0700R 0800R 0900R 1000R 1150R 1250R 1400R 1500R 1600R Nominal efficiency at full load and  87,5 87,5 89,6 89,6 89,6 89,7 89,7 89,7...
  • Page 30 5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS Description 1750R 2000R 2300R 2500R 2800R 3000R 3200R 3500R 4000R Nominal efficiency at full load and  90,8 90,8 89,7 89,7 89,7 89,7 90,8 90,8 90,8 nominal voltage Nominal efficiency at 75% of full load and  90,8 90,8 90,8 90,8 90,8 nominal voltage Nominal efficiency at 50% of full load and  89,6 89,6 89,6...
  • Page 31 5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS High-pressure dual pumps for ILD units (Fixed- and variable-speed dual pumps, hydraulic module option) Description 0602R 0700R 0800R 0900R 1000R 1150R 1250R 1400R 1500R 1600R Nominal efficiency at full load and  87,5 87,5 89,6 89,6 89,6 89,7 89,7 90,8...
  • Page 32 5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS Description 1750R 2000R 2300R 2500R 2800R 3000R 3200R 3500R 4000R Nominal efficiency at full load and  90,8 90,8 89,7 89,7 89,7 89,7 90,8 90,8 90,8 nominal voltage Nominal efficiency at 75% of full load and  90,8 90,8 90,8 90,8 90,8 nominal voltage Nominal efficiency at 50% of full load and  89,6 89,6 89,6...
  • Page 33: Electrical Data Notes For The Compressors

    5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.7 - Electrical data notes for the compressors I Max I Max I start option LRYA LRDA Compressor I Nom LRA A   ( 4) (Un) (Un - 10%) Soft Starter A Phi nom.
  • Page 34: Comments On Electrical Data Notes

    5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.9 - Comments on electrical data notes • LD units have a single power connection point located immediately upstream 5. The  factory-fitted  disconnect  switch(es)/circuit  breaker(s)  are  of  a  type  of the main disconnect switch. suitable for power interruption in accordance with EN 60947-3 (corresponds to IEC 60947-3).
  • Page 35: Electrical Connection

    6 - ELECTRICAL CONNECTION Please refer to the certified dimensional drawings supplied with  Calculate the maximum deviation from the 400 V average: the machine. (AB) = 406 - 400 = 6 (BC) = 400 - 399 = 1 6.1 - Power supply (CA) = 400 - 394 = 6  Motor The  power  supply  must  meet  the  specification  on  the  unit's  nameplate. The maximum deviation from the average is 6 V. The greatest percentage deviation is: 100 x 6/400 = 1.5% The ...
  • Page 36 6 - ELECTRICAL CONNECTION Table of minimum and maximum cable sections (per phase) for connection to the units Calculation of favourable case: No. 13 Perforated horizontal raceway Calculation of unfavourable case: Max. connectable section or no. 17 self-supporting cable - No.
  • Page 37: Power Cable Access Routing

    6 - ELECTRICAL CONNECTION 6.5 - Power cable access routing See the control manual and the certified electric wiring diagram supplied with the unit for the field control wiring of The power cables for devices are routed into the electrical box the following devices: from the side of the electrical cabinet.
  • Page 38: Application Data

    °C (3)  For applications requiring operation above a water outlet temperature of 20°C,  Water outlet temperature during operation °C contact your Ciat retailer to select a unit using the electronic catalogue. (4)  For  operation  from  0°C  to  -20°C,  the  unit  must  be  equipped  with  the  High  Air-cooled exchanger Minimum Maximum seasonal performance option (variable-speed fans) or Winter operation option (down to -20°C).
  • Page 39 (5) Partial load operation authorised below -10°C and above 42°C for standard ILD units and outdoor air temperature of 46°C for LD units with the nominal High performance or High outdoor temperature option. Contact your Ciat retailer to select a unit using the electronic catalogue. Ambient temperatures during shutdown: ILD units must be stored and transported at ambient temperatures between -20°C and +51°C. These temperature limits shall be considered in case of container shipment.
  • Page 40: Minimum Heat Transfer Fluid Flow Rate (Units Without Factory-Fitted Hydraulic Module)

    7 - APPLICATION DATA 7.4 - Variable flow water type heat NOTE: exchanger (units without factory-fitted Units equipped with speed regulators (AQUACIAT POWER hydraulic module) or ILD or variable-speed pump hydraulic module option) If the air temperature is below -10 °C and the unit has been A variable water heat exchanger flow can be used in standard ...
  • Page 41 7 - APPLICATION DATA AQUACIAT 0602R 0650R 0750R 0900R 1100R 1200R 1350R 1400R 1600R 1750R POWER Minimum system water volume, air (litres) 1039 1126 conditioning application Minimum system water volume, (litres) 1121 1217 1342 1476 1758 2021 2247 2467 2702 2928 industrial process application Water type heat exchanger flow rate...
  • Page 42: Maximum System Water Volume

    7 - APPLICATION DATA AQUACIAT 0602R 0700R 0800R 0900R 1000R 1150R 1250R 1400R 1500R 1600R POWER Minimum system water volume, air (litres) conditioning application - cooling Minimum system water volume, air (litres) 1360 1520 1840 2000 2080 2480 2640 2960 3120 3400 conditioning application - heating...
  • Page 43: Pressure Drop Curves For The Water Type Heat Exchanger And Standard Water Inlet/Outlet Piping

    7 - APPLICATION DATA 7.7 - Pressure drop curves for the water type heat exchanger and standard water inlet/ outlet piping Data applicable for pure water at 20°C. LD 602R - 1400R units B C D FE Water flow rate, l/s LD 602R - 900R LD 1100R LD 1200R LD 1350R...
  • Page 44 7 - APPLICATION DATA ILD 602R-1400R units ILD 602R - 800R ILD 900R - 1000R ILD 1150R - 1250R ILD 1400R Water flow rate, l/s ILD 1500R-2000R units F GH ILD 1500R - 1600R ILD 1750R ILD 2000R Water flow rate, l/s ILD 2300R - 4000R units I JKL ILD2300R ILD2500R - 3200R...
  • Page 45 7 - APPLICATION DATA 800 µm water filter pressure drop curves Qv (m LD 602R - 650R and ILD 602R - 700R (DN80 filter) LD 750R - 1200R and ILD 800R - 1250R (DN100 filter) LD 1350R - 3500R and ILD 1400R - 2000R (DN125 filter) EN-45 AQUACIAT POWER ™ LD/ILD...
  • Page 46: Water Connections

    8 - WATER CONNECTIONS 8.1 - Operating precautions and When connecting units to the water distribution pipe work, refer  recommendations to the certified dimensional drawings supplied with the unit for  the dimensions and position of the water inlet and outlet Before  any  start-up,  check  that  the  hydraulic  circuits  are  connections. connected to the appropriate heat exchangers. If the Metallic Protection Grilles option is present with the Pump The water circuit must have as few bends and horizontal sections ...
  • Page 47: Hydraulic Connections

    8 - WATER CONNECTIONS 8.2 - Hydraulic connections The hydraulic module options are only compatible with closed loops. The use of the hydraulic module on open systems is prohibited. Typical hydraulic circuit diagram without hydraulic module Option Option V U R Option Typical hydraulic circuit diagram with hydraulic module Option...
  • Page 48 8 - WATER CONNECTIONS Figure 1: Hydraulic connections without hydraulic Figure 3: Hydraulic connections with hydraulic module module and with water buffer tank module option Figure 2: Hydraulic connections with hydraulic module Components of the hydraulic module and the unit Screen filter Example: Single-pump Expansion tank (option)
  • Page 49: Hydraulic Connections For Ild 2300R-4000R Units

    8 - WATER CONNECTIONS 8.3 - Hydraulic connections for ILD 2300R-4000R units: ILD 2300R -4000R units are delivered as two separate modules. Two water temperature sensors (one per module) and a CCN communication bus in the control panel of one of the two modules) are provided. For optimal operation, we recommend installing the two modules in accordance with the hydraulic diagrams below. The two machines ...
  • Page 50 8 - WATER CONNECTIONS Hydraulic manifold (water manifold option): The hydraulic manifold option is used to facilitate hydraulic connection of the two modules. It provides a single connection point for the water inlet and outlet . Two compensators are provided with the hydraulic manifold. They enable the two modules to be connected and absorb any installation deviations.
  • Page 51: Flow Rate Detection

    8 - WATER CONNECTIONS 8.4 - Flow rate detection Example of additional heaters In the graph, the power of the four heaters equals the capacity  Standard unit of the heat pump at an outdoor air temperature of 7°C. All units are equipped as standard with a factory-set flow switch.  It cannot be adjusted on site. The energy transfer fluid pump must be servo-controlled by the  unit: dedicated terminals are provided for installing the energy transfer fluid pump servo control (auxiliary operation switch of ...
  • Page 52 8 - WATER CONNECTIONS Combination of options for the periods when the unit is in IMPORTANT REMINDERS: standby mode. Depending on the atmospheric conditions in your region, you need to: Product Ambient unit ■ Add an appropriate antifreeze solution agreed by Without pump With pump temperature range...
  • Page 53: Nominal System Water Flow Rate Control

    9 - NOMINAL SYSTEM WATER FLOW RATE CONTROL Refer to the schematic diagram in the "Hydraulic connections" ■ Let the pump run for 2 hours continuously to flush the system's  paragraph for all item references in this chapter. hydraulic circuit (presence of contaminating solids). The water circulation pumps of the units in the range have been ■...
  • Page 54: Units With Hydraulic Module And Variable-Speed Pump - Pressure Differential Control

    9 - NOMINAL SYSTEM WATER FLOW RATE CONTROL 9.3 - Units with hydraulic module and ■ A decrease in the flow rate value indicates that the filters in  variable-speed pump – Pressure differential the system need to be removed and cleaned. In this case,  control close the shut-off valves on the water inlet and outlet (item  19) and remove the filters (items 20 and 1) after draining the  The installation flow rate has not been set to a rated value. hydraulic part of the unit (items 6). It will be adjusted by the system, by varying the pump speed, to  ■ Remove the air from the circuit (items 5 and 17). maintain a constant operating pressure differential value defined ...
  • Page 55: Units With Hydraulic Module And Variable-Speed Pump - Temperature Differential Control

    9 - NOMINAL SYSTEM WATER FLOW RATE CONTROL Procedure for controlling the pressure differential The maintained Delta T° may, in certain cases, differ from the  setpoint setpoint value: ■ If the setpoint value is too high (corresponding to a flow rate  Once  the  circuit  is  cleaned,  place  the  hydraulic  circuit  in  the  lower than the minimum value or a frequency less than the configuration for which the unit selection was performed minimum value), the system will be limited to the minimum ...
  • Page 56: Available Static System Pressure

    9 - NOMINAL SYSTEM WATER FLOW RATE CONTROL 9.6 - Available static system pressure Units with hydraulic module (fixed-speed pump or variable-speed pump at 50 Hz)  Data applicable for: ■ Pure water at 20 °C. ■ Refer to the "Water exchanger water flow rate" section for the maximum water flow rate values. ■ If ethylene glycol is used, the maximum flow rate is reduced. The curves below take into account the pressure drops on the filter associated with the hydraulic module. 9.6.1 - LD unit High pressure pumps Single pumps...
  • Page 57 9 - NOMINAL SYSTEM WATER FLOW RATE CONTROL Dual pumps Sizes 602R - 1600R LD 602R - 900R LD 1100R LD 1200R LD 1350R LD 1400R LD 1600R Water flow rate, l/s Sizes 1750R - 2000R LD 1750R LD 1800R LD 2000R Water flow rate, l/s Sizes 2200 - 3500R LD 2200R - 2650R LD 2800R - 3500R...
  • Page 58 9 - NOMINAL SYSTEM WATER FLOW RATE CONTROL Low pressure pumps Single pumps Sizes 602R - 1400R Sizes 1600R - 2000R D EF Water flow rate, l/s Water flow rate, l/s LD 1600R LD 1800R LD 602R - 900R LD 1350R LD 1750R LD 2000R LD 1100R LD 1400R LD 1200R Dual pumps...
  • Page 59 9 - NOMINAL SYSTEM WATER FLOW RATE CONTROL 9.6.2 - ILD unit High pressure pumps Single pumps Dual pumps Sizes 602R - 1000R Sizes 602R - 1000R B CD B CD Water flow rate, l/s Water flow rate, l/s ILD 602R - 700R ILD 900R - 1000R ILD 602R - 700R ILD 900R - 1000R ILD 800R...
  • Page 60 9 - NOMINAL SYSTEM WATER FLOW RATE CONTROL Low pressure pumps Single pumps Sizes 602R - 1000R Sizes 1150R - 2000R Water flow rate, l/s Water flow rate, l/s ILD 1150R ILD 1750R - 2000R ILD 602R - 700R ILD 900R - 1000R ILD 1250R - 1600R ILD 800R Dual pumps Sizes 602R - 1000R...
  • Page 61: System Start-Up

    10 - SYSTEM START-UP 10.1 - Checks before system start-up 10.2 - Commissioning Before  starting  up  the  thermodynamic  system,  the  complete  Always ensure you have read and fully understood the operating system, including the thermodynamic system, must be verified  instructions for the units before starting up the unit, and ensure  against the installation drawings, dimensional drawings, system  the following precautions have been taken: piping and instrumentation diagrams and the wiring diagrams.
  • Page 62: Essential Points To Check

    10 - SYSTEM START-UP 10.3 - Essential points to check Compressors Ensure that each compressor is rotating in the correct direction,  checking that the discharge temperature rises quickly, the high  pressure increases and the low pressure drops. If it is rotating in  the  wrong  direction,  the  power  supply  is  incorrectly  wired  (reversed  phases). To  ensure  rotation  in  the  correct  direction,  swap two power supply phases.
  • Page 63: Main Components Of The Unit And Operating Characteristics

    11 - MAIN COMPONENTS OF THE UNIT AND OPERATING CHARACTERISTICS 11.1 - Compressors 11.2 - Lubricant The units use hermetic scroll compressors. The  compressors  installed  on  the  units  have  an  oil  charge,  ensuring good lubrication under all operating conditions. Each compressor is equipped as standard with a crankcase oil heater, and with a head heater for certain configurations. ...
  • Page 64: Fans

    11 - MAIN COMPONENTS OF THE UNIT AND OPERATING CHARACTERISTICS 11.4 - Fans Each fan motor assembly is equipped with a high-performance impeller made from recyclable composite material. The motors are three-phase, with lifetime lubricated bearings and class F insulation (IP55 level). When the XtraFan option is not selected, the pressure available at the fan outlet is zero. According to regulation No.
  • Page 65: Electronic Expansion Valve (Exv)

    11 - MAIN COMPONENTS OF THE UNIT AND OPERATING CHARACTERISTICS 11.5 - Electronic expansion valve (EXV) NOTE - Monitoring during operation ■ Follow local regulations on the monitoring of pressure The EXV has a stepper motor and a sight glass which can be equipment used to check the mechanism movement and the presence of ■...
  • Page 66: Fan Arrangement

    11 - MAIN COMPONENTS OF THE UNIT AND OPERATING CHARACTERISTICS 11.13 - Fan arrangement LD 650R-750R- LD 602R 900R-1100R ILD 602R-700R ILD 800R-900R-1000R LD 1200R-1350R LD 1400R/LD 1600R ILD 1150R-1250R ILD 1150R-1250R LD 1750R-1800R LD 2000R ILD 2000R ILD 1600R-1750R LD 2200R LD 2400R-2650R LD 2800R-2950R...
  • Page 67 11 - MAIN COMPONENTS OF THE UNIT AND OPERATING CHARACTERISTICS ILD 2300R - 2500R Module 1 Module 2 ILD 2800R - 3000R Module 1 Module 2 ILD 3200R - 3500R Module 1 Module 2 ILD 4000R Module 1 Module 2 EN-67 AQUACIAT POWER...
  • Page 68: Fan Stages

    11 - MAIN COMPONENTS OF THE UNIT AND OPERATING CHARACTERISTICS 11.14 - Fan stages Inverter on AQUACIAT POWER Circuit Stage 1 Stage 2 Stage 3 Stage 4 High seasonal efficiency 602R-3500R All-season operation option LD 602R EV11 ILD 602R-700R EV21 EV21+EV22 LD 650R-750R-900R-1100R EV11 EV11+EV12...
  • Page 69: Options

    12 - OPTIONS 12.1 - Tables of options Options Description Advantages Improved corrosion resistance,  Corrosion protection,  Fins made of pre-treated aluminium recommended for moderate marine and ● traditional coils (polyurethane and epoxy) urban environments Low temperature chilled water production Low-temperature brine Covers specific applications such as ice  down to 8°C with ethylene glycol or ●...
  • Page 70 12 - OPTIONS Options Description Advantages Dual low-pressure water pump, fixed  LP dual-pump hydraulic speed. (optional expansion vessel and Quick and easy installation (plug & play) 0602R-1400R 0602R-2000R module built-in hydraulic safety components available) Single high-pressure water pump, water  filter, electronic water flow control, pressure  Quick and easy installation (plug & play),  Single HP pump sensors.Multiple variable water flow control  significant reduction in pumping energy  ● ● (variable speed) options.
  • Page 71 12 - OPTIONS Options Description Advantages Anticorrosion coating on Improved corrosion resistance,  Same anticorrosion treatment as on MCHE Partial Free Cooling recommended for use in moderately ● condenser coils option coils corrosive environments. Extremely durable and flexible epoxy polymer  coating applied on micro channel coils by electro coating process, final UV protective  Protect4 Improved corrosion resistance of the Protect4 anti-corrosion topcoat. Minimal heat transfer variation, ...
  • Page 72: Description

    12 - OPTIONS Options Description Advantages Compliance with Specific regulatory documentation Compliance with Moroccan regulations ● ● Moroccan regulations Delivered wrapped in Unit wrapped in a plastic cover and strapped Protects against dust and external soiling of ● ● plastic film  onto a wooden pallet. the unit during storage and transport.
  • Page 73 12 - OPTIONS Frost protection For example, based on the above curves, if the ethylene glycol  mass  concentration  measured  in  the  loop  is  35%,  the  frost  The low-pressure and frost protection thresholds of the protection temperature value of -19.1°C must be entered in the evaporator depend on the antifreeze level in the water loop. software. This corresponds to a minimum water outlet The evaporator pinch (LWT – SST) and the antifreeze protection ...
  • Page 74 12 - OPTIONS 12.2.4 - Partial heat recovery This option enables free hot water to be produced using heat recovery by desuperheating the compressor discharge gases. This option is available for the entire LD/ILD range. (This design guarantees the function for LD/ILD units in cooling and heating mode). A plate heat exchanger is installed in series with the air-cooled exchanger coils on the compressor discharge line of each circuit.
  • Page 75 12 - OPTIONS AQUACIAT 0602R 0650R 0750R 0900R 1100R 1200R 1350R 1400R 1600R 1150R POWER Desuperheater on circuits A and C / B and D  Brazed-plate heat exchanger 3,75 /  3,75 /  3,75 /  3,75 /  3,75 /  3,75 /  3,75 /  5,5 /  Water volume of circuits A and C / B and D  3,75 3,75 3,75 3,75 3,75 Maximum operating pressure, water side kPa 1000 1000...
  • Page 76 12 - OPTIONS DIMENSIONS, CLEARANCES 2’’ Victaulic 2410 HT Electrical power connection 1500 1500 NOTE: Non-contractual drawings. Key: All dimensions are given in mm. When designing a system, refer to the certified dimensional Clearances required for maintenance and air flow drawings provided with the unit or available on request. Clearance recommended for coil removal Refer to the certified dimensional drawings for the location Water inlet...
  • Page 77 12 - OPTIONS 12.2.4.2 - Installation and operation of the heat recovery with desuperheater option Units with the desuperheater option are supplied with one plate heat exchanger per refrigerant circuit. When installing the unit, the heat recovery plate heat exchangers must be insulated and protected against frost if required. Refer to the main diagram below for the main components or functions associated with a unit with desuperheater option in a standard system.
  • Page 78 12 - OPTIONS 12.2.4.3 - Installation The hydraulic supply for each desuperheater is delivered in parallel. The hydraulic connection on the desuperheater water inlet and outlets must not generate any local mechanical stress on the exchangers. If necessary, install flexible couplings. Fit water flow rate balancing and control valves at the exchanger outlet. Balancing and control of the flow rates may be performed by reading the pressure drop in the exchangers.  The pressure drop on each of these must be identical to the total water flow rate given by the selection programme. To adjust the balancing valves before starting up the system, refer to the pressure drop curves below. It is possible to fine-tune the water flow rate settings for each desuperheater when the unit is running at full load by trying to obtain ...
  • Page 79 12 - OPTIONS 12.2.4.5 - Operating limits LD units ILD units Desuperheater Minimum Maximum Desuperheater Minimum Maximum Water inlet temperature at start-up °C 30  Water inlet temperature at start-up °C 30  Water outlet temperature during Water outlet temperature during °C °C operation operation...
  • Page 80 12 - OPTIONS 12.2.5 - TOTAL HEAT RECOVERY The AQUACIAT range can be equipped with a total heat recovery function as an option POWER The principle consists of producing free additional hot water at a high temperature of up to 65°C by adding a dual-circuit water- cooled condenser which allows all the heat released by the machine to be recovered.
  • Page 81 12 - OPTIONS Dimensions/clearances Total recovery 2410 HT Electrical power connection 1500 1500 NOTE: Non-contractual drawings. Key: All dimensions are given in mm. When designing a system, refer to the certified dimensional Required space for maintenance drawings provided with the unit or available on request. Water inlet Refer to the certified dimensional drawings for the location Water outlet...
  • Page 82 12 - OPTIONS 12.2.5.2 - Total heat recovery operation Frost protection: The low water temperature cutout option (41C) for the condenser Total heat recovery system: with heat recovery comprises electrical heaters which are activated if the outdoor air temperature is below 3°C and if the For this option, a dual-circuit plate heat exchanger is installed in ...
  • Page 83 12 - OPTIONS 12.2.5.3 - Installation and hydraulic connection of the condenser The unit is delivered with two temperature sensors and a flow rate controller which control the heat recovery.  The water flow controller is installed on the heat recovery unit water inlet and there is a sensor at the outlet. The water inlet sensor  is supplied with a maximum cable length of 15 metres which may be installed after the three-way valve (see diagram below). It is recommended that the water inlet temperature sensor is placed as shown in the diagram below to guarantee optimal control of the hot water temperature.
  • Page 84 12 - OPTIONS Total recovery (pressure drop curves for the plate heat exchangers) B C D Unit LD602R Units LD1200R-LD1600R Units LD650R-750R Units LD1750R-LD2000R Units LD900R-LD1100R Units LD2200R-LD3500R Heat exchanger water flow rate (l/s) 12.2.5.4 - Operating limits LD units Total recovery exchanger Minimum Maximum Water inlet temperature at start-up °C 25 ...
  • Page 85 12 - OPTIONS 12.2.6 - Operation of two units in a Master/Slave Example 1: operation in parallel - control on water assembly inlet for a hydraulic module The customer must connect both units with a communication bus  using  a  0.75  mm²  twisted,  shielded  cable  (contact  the  manufacturer's Service for the installation).
  • Page 86 12 - OPTIONS 12.2.7 - Water filter and flexible connection couplings Flexible coupling + water filter LD 602R-3500R and ILD 602R-4000R LD machine Key: Victaulic flange coupling Vibration-damping coupling 800 µm screen filter Butterfly valve Victaulic clamp GRAPHITE gaskets (PH) Water inlet Water outlet AQUACIAT POWER ™...
  • Page 87 12 - OPTIONS Water filter LD 602R-3500R and ILD 602R-4000R LD machine Flexible coupling LD 602R-3500R and ILD 602R-4000R LD machine Key: Victaulic flange coupling Vibration-damping coupling 800 µm screen filter Butterfly valve Victaulic clamp GRAPHITE gaskets (PH) Water inlet Water outlet EN-87 AQUACIAT POWER ™ LD/ILD...
  • Page 88 12 - OPTIONS 12.2.8 - Units with available pressure fans Specific instructions for AQUACIAT POWER When the ILD units operate in heating mode, The  design  of  this  range  using  R32,  is  intended  for  outdoor  dehumidification of the air and defrosting of the installation. Moe more details on the installation scenarios, refer ...
  • Page 89 12 - OPTIONS 12.2.8.3 - Air connection on discharge Refer to the dimensional plans of the units for the precise dimensions of the connection interface. A flexible sleeve providing connection to the duct network is delivered with the unit. 12.2.9 - Factory-installed duct connection interface on each fan V-type air-cooled exchangers Top view Side view Internal dimension of the flexible sleeve connection frame ...
  • Page 90 12 - OPTIONS Rules for a correct duct network ■ Each duct must serve a maximum of 2 fans – DO NOT EXCEED this limit. ■ In case of multiple fans in the same duct, they must belong to the same refrigerant circuit and to the same V coil system – DO  NOT MIX refrigerant circuits or V coil systems in the same duct. The duct connections on the units must not generate any mechanical stress on the fan supporting structure. The fan shrouds and the fan protection grilles must always remain in their position inside the ducts.
  • Page 91 12 - OPTIONS 12.2.11.1 - Physical characteristics of units with total and partial Free Cooling 0602R 0650R 0750R 0900R 1100R 1200R 1350R 1400R 1600R 1750R Total free cooling Free cooling coil All-aluminium micro-channel coils (MCHE) Quantity Hydraulic connection Connection 3" 3"...
  • Page 92 12 - OPTIONS Glycol free 12.2.11.2 - Physical characteristics of units with total and partial Free Cooling / 0602R 0650R 0750R 0900R 1100R 1200R 1350R 1400R 1600R 1750R Total glycol-free free cooling Free cooling coil All-aluminium micro-channel coils (MCHE) Coil quantity Volume of brine in the intermediate loop Hydraulic connection Connection...
  • Page 93 12 - OPTIONS DIMENSIONS AND FREE SPACE FOR TOTAL/PARTIAL FREE COOLING 2410 HT Electrical power connection View B 1500 1500 NOTE: Non-contractual drawings. Key: All dimensions are given in mm. When designing a system, refer to the certified dimensional Clearances required for maintenance and air flow drawings provided with the unit or available on request.
  • Page 94 12 - OPTIONS DIMENSIONS AND FREE SPACE, GLYCOL-FREE 2253 HT 3604 HT Electrical power connection 1500 1500 NOTE: Non-contractual drawings. Key: All dimensions are given in mm. When designing a system, refer to the certified dimensional Clearances required for maintenance and air flow drawings provided with the unit or available on request. Refer to the nameplate for the machine weight.
  • Page 95 12 - OPTIONS 12.2.11.3 - Free cooling operation Mid-season: Combination mode It is possible to operate in combination Free Cooling and The unit's SmartVu™ control maximises the use of the Free mechanical cooling mode. This helps optimise Free Cooling Cooling based on the needs of the application and the climate operations while covering the system's cooling requirements.
  • Page 96 12 - OPTIONS Example: Total and partial free cooling If the loop contains 2500L, comprising EG30%, for a unit with When  filling  with  glycol,  ensure  that the  two  motorised  valves  6 Free Cooling coils, then it is necessary to add 30L (2500*1.2%)  are  open,  along  with  the  manual  valve,  to  guarantee  that  the  of corrosion inhibitor every 8 years. glycol is correctly distributed within the unit. The corrosion inhibitors to be used are dipotassium hydrogen If the customer loop requires testing or flushing, ensure that the ...
  • Page 97 12 - OPTIONS 12.2.11.5 - Installation and hydraulic connection Total and partial free cooling option circulation diagram - Free Cooling mode - Combination mode - Mechanical cooling mode Refrigerant circuit Water circuit Evaporator Compressors MCHE condenser & MCHE Free Cooling coil Dehumidifier filter Electronic expansion valve Motorised valve...
  • Page 98 12 - OPTIONS Glycol-free free cooling option circulation diagram Water circuit Brine internal loop Refrigerant circuit Evaporator Compressors MCHE condenser & MCHE Free Cooling coil Dehumidifier filter Electronic expansion valve Glycol-free exchanger Flow rate controller Air vent Drain valve Safety valve Glycol-free pump Temperature sensors Pressure sensor...
  • Page 99 12 - OPTIONS Total and partial free cooling hydraulic module A filter with a mesh size of 0.7 mm is factory fitted inside the free cooling circuit pipe to protect the micro-channel coils from any  contamination. During system start-up, after a few hours of operation, it is recommended that the cleanliness of the filter is checked  to ensure no debris was been caught in the mesh. The filters do not have any particular operating requirements. However, the mesh must be cleaned or changed as necessary. To check the level of fouling, two branch connections (2) are provided upstream and downstream of the filter for the installation of  a differential pressure sensor (not provided).  Replacement procedure for the filter for the total and partial free cooling option 1. Close the Free Cooling circuit valve and close the manual valve 2.
  • Page 100 12 - OPTIONS 12.2.11.6 - Application data Unit pressure drop curves Total Free Cooling option – Operation in mechanical cooling mode Sizes LD 0602R - 2000R Sizes LD 2200R - 3500R C D EF Water flow rate, l/s Water flow rate, l/s LD 0602R - 0900R LD 1350R - 1400R LD 2200R - 2650R LD 2800R - 3500R...
  • Page 101 12 - OPTIONS Partial Free Cooling option – Operation in mechanical cooling mode Sizes LD 0602R - 2000R Sizes LD 2200R - 3500R CD E F Water flow rate, l/s Water flow rate, l/s LD 2200R - 2650R LD 2800R - 3500R LD 0602R - 0900R LD 1350R - 1400R LD 1100R LD 1600R...
  • Page 102 12 - OPTIONS Glycol-free free cooling option - Operation in mechanical cooling and free cooling mode Sizes LD 0602R - 1600R Sizes LD 1750R - 3500R BC D 10,0 10,0 Water flow rate, l/s Water flow rate, l/s LD 602R - 900R LD 1350R - 1400R LD1750R - 2000R LD 2800R - 3500R LD 1100R...
  • Page 103 12 - OPTIONS Available static system pressure Case of units with Single high pressure variable-speed pump at 50 Hz option. Data applicable for: ■ Pure water at 20 °C. ■ When using frost protection, the maximum flow rate is reduced. Total Free Cooling option – Operation in Free Cooling mode Size LD 0602R - 1400R Size LD 1600R - 2000R C DE F Water flow rate, l/s Water flow rate, l/s LD 0602R...
  • Page 104 12 - OPTIONS Partial Free Cooling option – Operation in Free Cooling mode Size LD 0602R - 1400R Size LD 1600R - 2000R BCDE Water flow rate, l/s Water flow rate, l/s LD 0602R - 0900R LD 1350R LD 1600R LD 2000R LD 1100R LD 1400R LD 1750R - 1800R LD 1200R Sizes LD 2200R - 3500R...
  • Page 105 12 - OPTIONS Glycol-free free cooling option - Operation in mechanical cooling and free cooling mode Sizes LD 0602R - 2000R Sizes LD 2200R - 2000R 10,0 15,0 20,0 25,0 10,0 15,0 20,0 25,0 30,0 35,0 40,0 45,0 B C D Water flow rate, l/s Water flow rate, l/s LD 602R - 900R...
  • Page 106: Standard Maintenance

    13 - STANDARD MAINTENANCE 13.1 - Level 1 maintenance To ensure optimal efficiency and reliability of the equipment and  all  its  functions,  we  recommend  taking  out  a  maintenance  contract with the local organisation set up by your manufacturer. These simple procedures can be carried out by the user: This contract will include regular inspections by the manufacturer’s Service specialists so that any malfunction is detected and ■...
  • Page 107: Level 3 Maintenance

    13 - STANDARD MAINTENANCE 13.3 - Level 3 maintenance Mechanical: ■ Check that the mounting bolts for the ventilation sub- Maintenance at this level requires specific skills, qualifications,  assemblies, fans, compressors and electrics box are securely  tools and expertise. Only the manufacturer, his representative  tightened or authorised agent are permitted to carry out this work. This maintenance work relates to the following: Hydraulics: ■...
  • Page 108: Tightening The Electrical Connections

    13 - STANDARD MAINTENANCE 13.4 - Tightening the electrical connections Component Description Value (N.m) PE welded screw, customer connection Power supply fuse holder cage screw terminal FU - FUA - FUB 0,5 … 0,8 Power supply circuit breaker cage screw terminal QF, QF1 Circuit breaker cage screw terminal 230 V electrical socket option Cage screw terminal 230 V electrical socket option Compressor fuse holder cage screw terminal FU1 -->...
  • Page 109: Air-Cooled Exchanger

    13 - STANDARD MAINTENANCE 13.6 - Air-cooled exchanger 13.7 - Water type heat exchanger We recommend that coils are inspected regularly to check the Check that: degree of fouling. This depends on the environment where the ■ The insulation has not been detached or torn during unit is installed, in particular urban and industrial sites, and for ...
  • Page 110: Refrigerant Properties

    13 - STANDARD MAINTENANCE 13.10 - Refrigerant properties R32 properties Saturated temperatures (°C) based on the relative pressure (in kPa) Relative Relative Relative Relative Saturated temp. Saturated temp. Saturated temp. Saturated temp. pressure pressure pressure pressure 1730 3189 1778 3264 1828 3341 1878...
  • Page 111: Final Shut-Down

    14 - FINAL SHUT-DOWN 14.1 - Shutting down Separate the units from their energy sources, allow them to cool then drain them completely. 14.2 - Recommendations for disassembly Read information relating to the presence of potentially dangerous substances in the product and their precautions for use (REACH,  Regulation no. 1907/2006). This information is available on the Manufacturer's website. Use the original lifting equipment. Sort the components according to their material for recycling or disposal, in accordance with regulations in force. Check whether any part of the unit can be recycled for another purpose. 14.3 - Fluids to be recovered for treatment ■...
  • Page 112: Unit Start-Up Checklist For Installers Prior To Contacting The Manufacturer

    15 - UNIT START-UP CHECKLIST FOR INSTALLERS PRIOR TO CONTACTING THE MANUFACTURER Preliminary information Job name: ......................................Location: ......................................Installing contractor: ................................... Distributor: ......................................Start-up performed by..............On ....................Equipment LD or ILD model ................ Serial number ................Compressors Circuit A Circuit B 1.
  • Page 113 15 - UNIT START-UP CHECKLIST FOR INSTALLERS PRIOR TO CONTACTING THE MANUFACTURER Unit start-up Chilled water pump contactor has been correctly cabled with the chiller The oil level is correct The unit has been checked for leaks (including couplings)  Locate, repair, and report any refrigerant leaks ..........................................
  • Page 114 15 - UNIT START-UP CHECKLIST FOR INSTALLERS PRIOR TO CONTACTING THE MANUFACTURER Carry out the QUICK TEST function (Consult the manufacturer's service): Check and log on to the user menu configuration Load sequence selection ..................................Capacity ramp loading selection................................. Start-up delay ..................................... Pump control ......................................
  • Page 116 The quality management system of this product’s assembly site has been certified in accordance with the requirements of the ISO 9001 standard (latest current version) after an assessment conducted by an authorized independent third party. The environmental management system of this product’s assembly site has been certified in accordance with the requirements of the ISO 14001 standard (latest current version) after an assessment conducted by an authorized independent third party.

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