CIAT AQUACIAT POWER LD 602R Instruction Manual
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CIAT AQUACIAT POWER LD 602R Instruction Manual

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10590
12 - 2021
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 AQUACIAT POWER LD 602R

  • Page 1 10590 12 - 2021 I n s t r u c t i o n m a n u a l...

  • Page 2: Table Of Contents

    CONTENTS 1 - INTRODUCTION AND SAFETY INSTRUCTIONS ........................4 2 - RECEIPT OF GOODS ..................................4 2.1 - Checking the equipment received ............................... 4 3 - HANDLING AND POSITIONING ..............................5 3.1 - Handling ...................................... 5 3.2 - Positioning ....................................5 4 - DIMENSIONS, CLEARANCES, MINIMUM INSTALLATION DISTANCES ................
  • Page 3 CONTENTS 11 - MAIN COMPONENTS OF THE UNIT AND OPERATING CHARACTERISTICS ..............47 11.1 - Compressors ................................... 47 11.2 - Lubricant ....................................47 11.3 - Air-cooled exchanger ................................47 11.4 - Fans ......................................48 11.5 - Electronic expansion valve (EXV) ............................49 11.6 - Moisture indicator ..................................

  • Page 4: 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 available ...

  • Page 5: Handling And Positioning

    3 - HANDLING AND POSITIONING 3.1 - Handling - Baffles may be necessary to deflect strong winds. These must  not restrict the unit's air flow. Carrier strongly recommends employing a specialised company Before lifting the unit, check that all enclosure panels to unload the machine. and grilles are securely fixed in place. Lift and set Do not remove the subbase or the packaging until the unit is in its down the unit with great care.

  • Page 6: Dimensions, Clearances, Minimum Installation Distances

    4 - DIMENSIONS, CLEARANCES, MINIMUM INSTALLATION DISTANCES 4.1 - LD and ILD dimensions without water buffer tank module Electrical power connection Length (see following unit model table) Unit model AQUACIAT POWER™ 602R to 1100R 1200R to 1600R 1750R to 2000R 2200R to 2650R 2800R to 3500R AQUACIAT...

  • Page 7: 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 Electrical power connection Length (see following unit model table) Main hydraulic connection Unit model AQUACIAT 602R to 1100R 1200R to 1600R 1750R to 2000R 2200R to 2650R 2800R to 3500R POWER™...

  • Page 8: Free Spaces

    4 - DIMENSIONS, CLEARANCES, MINIMUM INSTALLATION DISTANCES 4.3 - Free spaces 4.5 - Installing several units The free spaces presented are determined in order to ensure It is recommended to install multiple units in a single row, arranged  sufficient working and manoeuvring space to carry out maintenance  as shown in the example below, to avoid recycling air between  operations on the unit in suitable ergonomic conditions the units. If the floor space does not allow this arrangement, contact  your distributor to assess the various installation options. 1500 mm min.

  • Page 9: Physical And Electrical Data For The Units

    5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.1 - Physical data LD 602R - 3500R AQUACIAT 0602R 0650R 0750R 0900R 1100R 1200R 1350R 1400R 1600R 1750R POWER™ Sound levels Unit + High temperature option/Nominal high performance Sound power dB(A) 91,0 91,5...
  • Page 10 5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS AQUACIAT 1800R 2000R 2200R 2400R 2650R 2800R 2950R 3200R 3500R 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 11: Physical Data Ild 602R - 2000R

    5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.2 - Physical data ILD 602R - 2000R AQUACIAT 0602R 0700R 0800R 0900R 1000R 1150R POWER™ Sound levels Unit + High temperature option/Nominal high performance Sound power dB(A) 90,5 91,0 91,5 92,0 92,0 93,0...
  • Page 12 5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS AQUACIAT 1250R 1400R 1500R 1600R 1750R 2000R POWER™ Sound levels Unit + High temperature option/Nominal high performance Sound power dB(A) 93,5 94,0 94,0 94,5 94,5 95,0 Sound pressure at 10 m dB(A) 61,5 62,0...

  • Page 13: Physical 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 14: Electrical Data Ild 602R - 2000R

    5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.4 - Electrical data ILD 602R - 2000R AQUACIAT 0602R 0700R 0800R 0900R 1000R 1150R POWER™ Power circuit supply Nominal voltage V-ph-Hz 400 - 3 - 50 Voltage range 360 - 440 Control circuit supply 24 V via internal transformer Maximum operating input power...

  • Page 15: 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) current - Icw kA eff Rated peak current - Ipk kA pk...

  • Page 16: Electrical Data Notes 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 nominal ...
  • Page 17 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 nominal  85,9 85,9 86,4 86,4 87,5 87,5 87,5...
  • Page 18 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 nominal voltage 87,5 87,5 87,5...
  • Page 19 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 nominal  86,4 86,4 86,4 86,4 86,4 87,5 89,6...
  • Page 20 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 1750R 2000R Nominal efficiency at full load and nominal  87,5 87,5 89,6 89,6 89,6 89,7...

  • Page 21: 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 (Un) (Un - 10%) Soft Starter A Phi nom. Phi Max.

  • Page 22: Electrical Data Notes

    5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.9 - Comments on electrical data notes • AQUACIAT ™  units  have  a  single  power  connection  point,  located  3. The neutral (N) wire must not be connected directly to the unit (if necessary POWER immediately upstream of the main disconnect switch.

  • Page 23: Electrical Connection

    6 - ELECTRICAL CONNECTION Please refer to the certified dimensional drawings, supplied with  Calculate the maximum deviation from the 400 V average: the unit. (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 supply voltage must be within the range specified  The maximum deviation from the average is 6 V. The greatest in the electrical data table.
  • Page 24 6 - ELECTRICAL CONNECTION Table of minimum and maximum cable sections (per phase) for connection to the units Calculation of favourable case: Calculation of unfavourable case: Max. connectable section No. 13 Perforated horizontal raceway or No. 41 Closed conduit - PR (90°C) - 45°C no.

  • Page 25: 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 26: Application Data

    7 - APPLICATION DATA 7.1 - Operating range 7.1.1 - LD 602R - 3500R units (1)  For  applications  requiring  operation  below  8°C,  contact  your  Ciat  retailer  to  Water type heat exchanger Minimum Maximum select a unit using the electronic catalogue.
  • Page 27 (2) The use of antifreeze is mandatory if the water outlet temperature is below 5°C. (3)  For applications requiring operation above a water outlet temperature of 20°C,  contact your Ciat retailer to select a unit using the electronic catalogue. (4)  For operation at an ambient temperature below 0°C, the unit must be equipped  with the water exchanger frost protection option (for units without hydraulic...

  • Page 28: Minimum Heat-Transfer Fluid Flow Rate (Units Without Factory-Fitted Hydraulic Module)

    7 - APPLICATION DATA 7.4 - Variable flow water type heat exchanger NOTE: (units without factory-fitted hydraulic module) Units equipped with speed regulators (AQUACIAT POWER™ LD or ILD or variable-speed pump hydraulic module option) A  variable  water  heat  exchanger  flow  can  be  used  in  standard  If the air temperature is below -10°C and the unit has been units. The flow rate must be higher than the minimum flow given ...

  • Page 29: System Maximum Water Volume

    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 30: 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 B LD 602R - 900R C LD 1100R D LD 1200R E LD 1350R...
  • Page 31 7 - APPLICATION DATA ILD 602R - 1400R units B C D E Water flow rate, l/s B ILD 602R - 800R C ILD 900R - 1000R D ILD 1150R - 1250R E ILD 1400R ILD 1500R - 2000R units F G H Water flow rate, l/s F ILD 1500R - 1600R G ILD 1750R...
  • Page 32 7 - APPLICATION DATA 800 µm water filter pressure drop curves B  LD 602R - 650R and ILD 602R - 700R (DN80 filter) C  LD 750R - 1200R and ILD 800R - 1250R (DN100 filter) D  LD 1350R - 3500R and ILD 1400R - 2000R (DN125 filter) AQUACIAT POWER ™ LD/ILD EN-32...

  • Page 33: 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 connections. Before  commissioning,  check  that  the  hydraulic  circuits  are  If the Metallic Protection Grilles option is present with the Pump connected to the appropriate heat exchangers.

  • Page 34: 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 the hydraulic module Option Option Option Typical hydraulic circuit diagram with the hydraulic module Option Option...
  • Page 35 8 - WATER CONNECTIONS Figure 1: Hydraulic connections without hydraulic module Figure 3: Hydraulic connections with hydraulic module and with buffer tank module option Figure 2: Hydraulic connections with hydraulic module Components of the hydraulic module and the unit Example: Single-pump B Screen filter C Expansion tank (option) D Relief valve...

  • Page 36: Flow Rate Detection

    8 - WATER CONNECTIONS 8.3 - Flow rate detection Example of additional heaters In the graph, the power of the four heaters equals the capacity of  the heat pump at an outdoor air temperature of 7°C. Standard unit All units are equipped as standard with a factory-set flow switch.  It cannot be adjusted on site. The heat transfer fluid pump must be servo-controlled by the unit:  dedicated terminals are provided for installing the heat transfer fluid pump servo control (auxiliary operation switch of the pump ...
  • Page 37 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 only the anti-freeze solutions approved by the without pump option with pump option temperature range...

  • Page 38: Nominal System Water Flow Rate Control

    9 - NOMINAL SYSTEM WATER FLOW RATE CONTROL Refer to the schematic diagram in the “Hydraulic connections” - A changed value indicates that the filters in the system need to  paragraph for all item references in this chapter. be removed and cleaned. In this case, close the shut-off valves  on the water inlet and outlet (item 19) and remove the filters  The water circulation pumps of the unit range have been designed then clean (items 1 and 20) after draining the hydraulic part of to allow the hydraulic modules to operate in all possible the unit (items 6).

  • Page 39: 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 Water flow rate adjustment procedure variable-speed pump – Pressure differential Once the circuit is cleaned, read the flow rate value on the user  control interface and compare it to the theoretical selection value. The installation flow rate has not been set to a rated value. If the value of the flow rate read is greater than the specified value,  this indicates that the overall pressure drop in the system is too It ...

  • Page 40: Units With Hydraulic Module And Variable-Speed Pump - Temperature Differential Control

    9 - NOMINAL SYSTEM WATER FLOW RATE CONTROL Procedure for controlling the pressure differential setpoint The  maintained  Delta  T°  may,  in  certain  cases,  differ  from  the  setpoint value: Once  the  circuit  is  cleaned,  place  the  hydraulic  circuit  in  the  - If the setpoint value is too high (corresponding to a flow rate  configuration for which the unit selection was performed (generally, ...

  • Page 41: Available Static Pressure For The System

    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” 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 42 9 - NOMINAL SYSTEM WATER FLOW RATE CONTROL Dual pumps Sizes 602R - 1600R B LD 602R - 900R C LD 1100R D LD 1200R E LD 1350R F LD 1400R G LD 1600R Water flow rate, l/s Sizes 1750R - 2000R H LD 1750R I LD 1800R J LD 2000R Water flow rate, l/s...
  • Page 43 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 G LD 1600R B LD 602R - 900R H LD 1750R C LD 1100R I LD 1800R D LD 1200R J LD 2000R E LD 1350R...
  • Page 44 9 - NOMINAL SYSTEM WATER FLOW RATE CONTROL 9.6.2 - ILD unit High pressure pumps Single pumps Sizes 602R - 1000R Sizes 1150R - 2000R 10,0 15,0 20,0 10,0 15,0 20,0 25,0 30,0 35,0 40,0 B C D Water flow rate, l/s Water flow rate, l/s B ILD 602R - 700R F ILD 1150R C ILD 800R...
  • Page 45 9 - NOMINAL SYSTEM WATER FLOW RATE CONTROL Low pressure pumps Single pumps Sizes 602R - 1000R Sizes 1150R - 2000R 10,0 15,0 20,0 25,0 30,0 10,0 15,0 20,0 B C D Water flow rate, l/s Water flow rate, l/s E ILD 1150R F ILD 1250R - 1600R B ILD 602R - 700R G ILD 1750R - 2000R C ILD 800R...

  • Page 46: System Start-Up

    10 - SYSTEM START-UP 10.1 - Checks before system start-up - Check  that  the  compressor  crankcase  heaters,  and  the  compressor head heaters if applicable, have been energised  Before  starting  up  the  thermodynamic  system,  the  complete  for 6 hours before starting up the system. system,  including  the  thermodynamic  system,  must  be  verified  - Open the suction shut-off valves on each circuit for the against the installation drawings, dimensional drawings, system ...

  • Page 47: Main Components Of The Unit And Operating Characteristics

    11 - MAIN COMPONENTS OF THE UNIT AND OPERATING CHARACTERISTICS 11.1 - Compressors Too much oil in the circuit can cause the unit to malfunction. The units use hermetic scroll compressors. Each compressor is equipped as standard with a crankcase oil NOTE: heater, and with a head heater for certain configurations. ...

  • Page 48: 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 49: 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 used equipment to check the mechanism movement and the presence of the liquid - The user or the operator is usually requested to create and...

  • Page 50: Fan Arrangement

    11 - MAIN COMPONENTS OF THE UNIT AND OPERATING CHARACTERISTICS 11.13 - Fan arrangement LD 650R-750R- 900R-1100R LD 602R ILD 602R-700R ILD 800R-900R-1000R CKT A CKT B CKT A CKT B LD 1200R-1350R LD 1400R / LD 1600R ILD 1150R-1250R ILD 1400R-1500R CKT A CKT B...

  • Page 51: 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 ILD 800R-900R-1000R...

  • Page 52: Options

    12 - OPTIONS 12.1 - Tables of options Options Description Advantages Corrosion protection,  Fins made of pre-treated aluminium Improved corrosion resistance, recommended  ● traditional coils (polyurethane and epoxy) for moderate marine and urban environments Low temperature chilled water production Low-temperature brine Covers specific applications such as ice  ● down to 8°C with ethylene glycol or solution storage and industrial processes propylene glycol.
  • Page 53 12 - OPTIONS Options Description Advantages Evaporator hydraulic module equipped with a high pressure variable-speed pump, drain  Quick and easy installation (plug & play),  valve, air vent and pressure sensors.  significant reduction in pumping energy  HP evap. variable-speed ● ● For more details, refer to the dedicated  consumption level (more than two-thirds),  single-pump section (expansion tank not included; option precise water flow control, improved system  with built-in hydraulic safety components reliability available.) Quick and easy installation (plug & play),  Dual high-pressure water pump with speed significant reduction in pumping energy ...
  • Page 54 12 - OPTIONS Options Description Advantages Screwed water DSH connections with screw connection Easy to install. Allows unit connection to a ● ● connection kit for DSH sleeves screw connector Water buffer tank  Avoids short cycle on compressors and ● ● Built-in water buffer tank module module ensures stable water in the loop Isolate the unit from the building, prevent the ...

  • Page 55: Description

    12 - OPTIONS 12.2 - Description 12.2.1 - Low-temperature brine solution options Brine solution production from 5°C to -8°C is only possible with The operating range is based on: the low-temperature brine solution option. - the unit size. - the type of glycol. For ...
  • Page 56 12 - OPTIONS Minimum frost protection temperature based on the 12.2.2 - Hydraulic module without variable speed water outlet temperature (example) The hydraulic module is composed of the system's main hydraulic components:  factory-fitted  water  pump,  screen  filter  and  relief  valve. The fixed-speed operating pressure pump provides the nominal ...
  • Page 57 12 - OPTIONS 12.2.4.1 - Physical properties of units with partial heat recovery using desuperheaters AQUACIAT 0602R 0650R 0750R 0900R 1100R 1200R 1350R 1400R 1600R 1750R POWER™ Desuperheater in circuits A/B Brazed-plate heat exchanger 3.75 / 3.75 / 3.75 / 3.75 / 3.75 / 5.5 /...
  • Page 58 12 - OPTIONS DIMENSIONS/CLEARANCES Desuperheater partial recovery 2’’ Victaulic 2410 HT Electrical power connection 1500 1500 NOTE: Non-contractual drawings. Key: When designing a system, refer to the certified dimensional All dimensions are given in mm. drawings provided with the unit or available on request. Clearances required for maintenance and air flow Refer to the certified dimensional drawings for the location Clearance recommended for coil removal...
  • Page 59 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 60 12 - OPTIONS Typical installation diagram of units with the desuperheater option Heating mode Cooling mode & & ILD unit with desuperheater option without hydraulic module Border between ILD unit and the system Typical installation ILD unit components Installation components (installation example) B Heat exchanger (multi-pipe type) U Pump (desuperheater loop hydraulic circuit) C Compressor...
  • Page 61 12 - OPTIONS 12.2.4.3 - Installation The hydraulic supply for each desuperheater is delivered in The pressure drop on each of these must be identical to the total parallel. water flow rate given by the selection programme. The hydraulic connection on the desuperheater water inlet and To adjust the balancing valves before starting up the system, refer  outlets must not generate any local mechanical stress on the to the pressure drop curves below.
  • Page 62 12 - OPTIONS Cooling mode operating range Heating mode operating range Partial load all sizes Partial load ILD only Partial load Heat pump water outlet temperature (°C) Desuperheater water outlet temperature (°C) Notes 1.  Desuperheater water type heat exchanger ∆T = 10K. The water exchanger is protected against freezing down to -20°C (with the Water exchanger frost protection option or Hydraulic module (if present) and water exchanger frost protection option or loop protected by an antifreeze solution for outdoor temperatures of less than 0°C)  ...
  • Page 63 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 64 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 65 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 For this option, a dual-circuit plate heat exchanger is installed in  if the outdoor air temperature is below 3°C and if the machine is series on air-cooled condensers on the compressor discharge line not running.
  • Page 66 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 67 12 - OPTIONS Total recovery (pressure drop curves for the plate Operating range in cooling mode heat exchangers) Partial load for LD B C D 2600-3200 For LD 3500 Heat exchanger water flow rate (l/s) Unit LD602R Units LD1200R-LD1600R Units LD650R-750R Units LD1750R-LD2000R Evaporator water outlet temperature (°C) Units LD900R-LD1100R Units LD2200R-LD3500R 12.2.5.4 - Operating limits...
  • Page 68 12 - OPTIONS 12.2.6 - Operation of two units in Master/Slave Example 1: operation in parallel - control on assembly water 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 69 12 - OPTIONS Example 3: operation in series - control on water outlet for a unit assembly Key: All dimensions are given in mm. Master unit Slave unit Water inlet Water outlet Control boxes of the master and slave units Water pumps for each unit (normally included in the units with hydraulic module) Additional sensor for water outlet control, to be connected to channel 1 of ...
  • Page 70 12 - OPTIONS Water filter LD 602R-3500R and ILD 602R-2000R LD machine Flexible coupling LD 602R-3500R and ILD 602R-2000R 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 ™ LD/ILD EN-70...
  • Page 71 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.
  • Page 72 12 - OPTIONS 12.2.9 - Factory-installed duct connection interface on each fan V-shaped air-cooled exchangers Top view Side view Internal dimension of the flexible sleeve connection frame  955 x 955 x 105 mm 12.2.10 - Duct installation principle Solution 1 Solution 2 Each fan has its own duct 2 fans can share the same duct Access hatch for maintaining the ventilation components for each duct.
  • Page 73 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-shaped coil system – DO NOT MIX refrigerant circuits or V-shaped coil systems in the same duct.

  • Page 74: Standard Maintenance

    13 - STANDARD MAINTENANCE To ensure optimal efficiency and reliability of the equipment and  In these cases, the following maintenance work is recommended: all its functions, we recommend taking out a maintenance contract  Carry out all level 1 operations, then: with the local organisation set up by your manufacturer. Electrical checks (annual checks): This contract will include regular inspections by the manufacturer’s - At least once a year, tighten the electrical connections for the  Service specialists so that any malfunction is detected and power circuits (see tightening torques table), corrected ...

  • Page 75: Level 3 Maintenance

    13 - STANDARD MAINTENANCE 13.3 - Level 3 maintenance 13.5 - Tightening torques for the main fastenings Maintenance  at  this  level  requires  specific  skills,  qualifications,  tools and expertise. Only the manufacturer, his representative or  Value authorised agent are permitted to carry out this work. Screw type (N.m) This maintenance work relates to the following: Metal screw D=4.8 Condensing module, casing, supports - Replacement ...

  • Page 76: Water Type Heat Exchanger

    13 - STANDARD MAINTENANCE 13.8 - Variable frequency drive Never use a pressure water spray without a large diffuser. Before any work on the variable frequency drive, Concentrated and/or rotating water jets are strictly ensure that the circuit is isolated and there is no forbidden.

  • Page 77: 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 - Refrigerant (In compliance with regulation F-GAS no.

  • Page 78: 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 79 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 Oil level is correct The unit has been checked for leaks (including couplings)  Locate, repair, and report any refrigerant leaks ....................................................................................
  • Page 80 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 81 AQUACIAT POWER ™ LD/ILD EN-81...
  • Page 84 Manufactured by: Carrier SCS, Montluel, France. Printed in the European Union. The manufacturer reserves the right to change the product specifications without notice.

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