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.
3 - HANDLING AND POSITIONING 3.1 - Handling The typical applications of these units are cooling and heating, which do not require earthquake resistance. Earthquake Carrier strongly recommends employing a specialised company resistance has not been verified. to unload the machine. Before positioning the device, check that: Do not remove the subbase or the packaging until the unit is in ■...
4 - DIMENSIONS, CLEARANCES, MINIMUM INSTALLATION DISTANCES 4.1 - LD/ILD 150R-300R, units with and without hydraulic module 1090 HT 2109 HT 1016 2050 1000 1000 NOTE: Non-contractual drawings. Key: All dimensions are 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.
4 - DIMENSIONS, CLEARANCES, MINIMUM INSTALLATION DISTANCES 4.2 - LD/ILD 360R-600R, units with and without hydraulic module 2275 HT 2125 HT 2258 2050 1000 1000 NOTE: Non-contractual drawings. Key: All dimensions are 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.
4 - DIMENSIONS, CLEARANCES, MINIMUM INSTALLATION DISTANCES 4.3 - LD/ILD 150R-300R, units with water buffer tank module 2128 HT 1115 HT 2066 1076 1061 2050 1000 1000 Key: NOTE: Non-contractual drawings. All dimensions are 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.
4 - DIMENSIONS, CLEARANCES, MINIMUM INSTALLATION DISTANCES 4.4 - LD/ILD 360R-600R, units with water buffer tank module 2312 HT 2129 HT 2258 2050 1000 1000 NOTE: Non-contractual drawings. Key: All dimensions are 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.
4 - DIMENSIONS, CLEARANCES, MINIMUM INSTALLATION DISTANCES 4.5 - Free spaces and installing several units In multiple-chiller installations (maximum of four units), the free space between the sides of the units should be increased to between 1000 and 2000 mm. The height of the solid surface must not exceed 2 m.
5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.1 - Physical data LD/ILD 150R - 600R AQUACIAT™ LD 150R 180R 200R 202R 240R 260R 300R 360R 390R 450R 520R 600R Sound levels Standard unit and High temperature option Sound power dB(A) 83,5 83,5...
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5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS AQUACIAT™ ILD 150R 180R 200R 240R 260R 300R 360R 390R 450R 520R 600R Sound levels Standard unit and High outdoor temperature option Sound power dB(A) 89,5 89,5 92,5 Sound pressure at 10 m dB(A) 60,5 Unit + Xtra Low Noise option...
5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.2 - Electrical data LD/ILD 150R - 600R AQUACIAT™ LD/ILD 150R 180R 200R 202R 240R 260R 300R 360R 390R 450R 520R 600R Power circuit supply Nominal voltage V-ph-Hz 400 - 3 - 50 Voltage range 360 - 440 Control circuit supply...
5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.4 - 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: Motors for high-pressure pumps for fixed-speed and variable speed units Description 150R 180R 200R 202R 240R 260R 300R 360R 390R 450R 520R 600R Nominal efficiency at full load and nominal voltage 84,8 84,8 84,8 84,8 84,8 84,8 84,8 84,8 84,8 85,9 85,9 85,9 Rated efficiency at 75% of full load and nominal ...
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5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS Motor for single and dual low-pressure pumps, fixed-speed and variable speed Description 150R 180R 200R 202R 240R 260R 300R 360R 390R 450R 520R 600R Nominal efficiency at full load and nominal voltage 81,1 81,1 81,1 81,1 81,1 81,1 81,1 81,1 83,4 83,4 84,8 84,8 Rated efficiency at 75% of full load and nominal ...
5 - PHYSICAL AND ELECTRICAL DATA FOR THE UNITS 5.5 - Electrical data notes for the compressors I start I Max Compressor I Nom I Max (Un) LRA A option 25 (Un - 10%) Phi nom. Phi Max. DSF090 11,5 15,8 63,7 0,78...
IEC 61000-2-4 standard: be considered, always contact your local Ciat representative. - Power supply frequency variation: +- 2Hz (1) The required protection level for this class is IP43BW (according to reference - Phase imbalance : 2% document IEC 60529).
6 - ELECTRICAL CONNECTION 6.3 - Power connection/disconnect switch Please refer to the certified dimensional drawings, supplied with the unit. The power connection of the unit is carried out at a single point upstream of the unit’s disconnect switch. 6.1 - Power supply The earth connection must be made in the main electrical box The ...
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6 - ELECTRICAL CONNECTION Table of minimum and maximum cable sections (per phase) for connection to the units Calculation of unfavourable case: Calculation of favourable case: - Conductors in ducts or - Multi-conductor cable wires in multi-conductor cables in closed the open air (routing modes 34 conduits (standardised routing and 35, method E)
6 - ELECTRICAL CONNECTION 6.5 - Power cable access routing See the Connect’Touch control manual for LD/ILD units and the wiring diagram provided with the unit for field connection of the The power cable access can be routed in the electrics box of following functions: devices: ■ Evaporator pump interlock (mandatory), ■...
7 - APPLICATION DATA 7.1 - Operating range 7.1.1 - AQUACIAT™ LD 150R - 600R units Operating map - Standard unit LD 150R - 600R Water type heat exchanger Minimum Maximum Entering water temperature at start-up °C Part load Leaving water temperature during °C operation Water outlet temperature during operation...
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Available static pressure Standard units Units + XtraFAN Option (high-pressure Partial load static fan) (1) For applications requiring start-up below 8 °C, contact your Ciat retailer to select a unit using the electronic catalogue. (2) The use of antifreeze protection is required if the water outlet temperature is below 5 °C. AQUACIAT™ ILD 150R/180R ==> LWT min 0°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.
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7 - APPLICATION DATA Operating map in heating mode - Operating map in heating mode - Standard unit AQUACIAT™ ILD AQUACIAT™ ILD - with heating optimized option Partial load Partial load Water outlet temperature (°C) Water outlet temperature (°C) Notes: Water type heat exchanger ∆T = 5K.
7 - APPLICATION DATA 7.2 - Minimum heat transfer fluid flow 7.3 - Maximum heat transfer fluid flow rate (units without factory-fitted hydraulic rate (units without factory-fitted hydraulic module) module) The minimum heat transfer fluid flow rate for different unit sizes The maximum heat transfer fluid flow rate for different unit sizes is given in the tables in paragraph “Water type heat exchanger is given in the tables in paragraph “Water type heat exchanger flow rate”.
7 - APPLICATION DATA 7.6 - Maximum system water volume Units with a hydraulic module may include an expansion vessel which limits the volume in the water loop. The table below gives the maximum loop volume compatible with the expansion vessel (for pure water or ethylene glycol depending on the system’s various concentrations and static pressures). In the case of the optional buffer tank, the volume of the tank (208 ...
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 commissioning, make sure the hydraulic circuits are connections. connected to the appropriate heat exchangers.
8 - WATER CONNECTIONS 8.2 - Water connections The hydraulic module options are only compatible with closed loops. The use of the hydraulic module on open systems is prohibited. Schematic diagram of the hydraulic circuit without the hydraulic module Schematic diagram of the hydraulic circuit with the hydraulic module Option Option Option...
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8 - WATER CONNECTIONS Hydraulic module - sizes 150R - 300R Hydraulic module - sizes 360R - 600R Dual pump and expansion vessel shown Dual pump and expansion vessel shown Hydraulic module - sizes 150R- 300R Hydraulic module - sizes 360R- 600R Dual pump, expansion vessel and buffer tank shown Dual pump, expansion vessel and buffer tank shown LD/ILD sizes 150-300...
8 - WATER CONNECTIONS Internal hydraulic equipment with dual pump option, buffer tank and extra heaters 8.3 - Units without hydraulic module Refer to the diagram in the “Hydraulic connections” section for all references points mentioned in this chapter. 8.3.1 - General information The water circulation pumps for the units in the range have been sized to allow the hydraulic modules to operate in all possible ...
8 - WATER CONNECTIONS 8.4 - Units with hydraulic module and fixed- 8.3.3 - Procedure for controlling the water flow speed pump (for brine application only) Once the circuit has been decontaminated, read the pressures on the pressure gauges (water inlet pressure - outlet pressure) 8.4.1 - General information to determine the pressure drop across the unit terminals (plate heat exchanger + internal pipework).
8 - WATER CONNECTIONS 8.5 - Units with hydraulic module and 8.5.2 - Procedure for controlling the pressure differential variable-speed pump - pressure differential control Setpoint The installation flow rate has not been set to a rated value. The flow rate will be adjusted, by varying the pump speed, Once the circuit is cleaned, place the hydraulic circuit in the to ...
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8 - WATER CONNECTIONS 8.6.1 - Hydraulic circuit cleaning procedure Depending on the atmospheric conditions in your region, you need to: Refer to the procedure for cleaning the hydraulic circuit from ■ Add an appropriate antifreeze solution agreed by chapter 8.3.1 the manufacturer (maximum of 45%) to protect the system down to a temperature of 10 K below 8.6.2 - Procedure for adjusting the Delta T°...
9 - NOMINAL SYSTEM WATER FLOW RATE CONTROL 9.1 - Available static pressure for the installation 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 values. ■ If ethylene glycol is used, the maximum flow rate is reduced. 9.1.1 - LD 150R - 600R units High pressure pumps Low-pressure pumps Single pumps Single pumps...
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9 - NOMINAL SYSTEM WATER FLOW RATE CONTROL 800 μm water filter pressure drop curves Qv (m LD/ILD 150R-202R (DN50) LD/ILD 240R-600R (DN65) Buffer tank pressure drop curves Qv (m LD/ILD 150R-600R EN-35 AQUACIAT™ LD/ILD...
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.
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 electric power supply is incorrectly wired (reversed phases).
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 hermetically sealed scroll compressors. Each compressor sub-function is equipped with: NOTE: ■ Anti-vibration mountings between the unit chassis and the Only use oils which have been approved for the compressors.
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 available pressure option is not selected, the pressure available at the fan outlet is zero.
11 - MAIN COMPONENTS OF THE UNIT AND OPERATING CHARACTERISTICS 11.5 - Electronic expansion valve (EXV) 11.9 - Refrigerant The EXV has a stepper motor and a sight glass which can be Units operating with R32 (A2L fluid). used to check the mechanism movement and the presence of ATEX zones have been identified on the edge of the unit: Please ...
12 - OPTIONS 12.1 - Tables of options Options Description Advantages LD - (R32) ILD - (R32) 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 ...
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12 - OPTIONS Options Description Advantages LD - (R32) ILD - (R32) Single low-pressure water pump with speed regulator, pressure sensors. Multiple water Quick and easy installation (plug & play), Variable-speed single flow rate control options. (optional expansion significant pumping energy cost savings ● ● LP pump vessel and built-in hydraulic safety (up to 2/3), tighter water flow control.
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12 - OPTIONS Options Description Advantages LD - (R32) ILD - (R32) The tank avoids short cycles on the Water buffer tank compressors and ensures the water in the module with Integrates a water buffer tank module with a loop is stable. ● 16,31,45 kW 16,31,45 kW auxiliary heater The auxiliary heater provides additional or electrical backup backup heating in heating mode.
12 - OPTIONS 12.2 - Description 12.2.3 - Operation of two units in master/slave assembly 12.2.1 - Hydronic module without variable speed The customer must connect both units with a communication bus in 0.75 mm² twisted, shielded cable (contact the manufacturer’s The hydraulic module is composed of the system’s main hydraulic Service for the installation).
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12 - OPTIONS Example 1: operation in parallel - control on water Example 3: operation in series - control on water inlet for a hydraulic module outlet for a unit assembly Key: Example 2: operation in parallel - control on water All dimensions are given in mm.
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12 - OPTIONS 12.2.4.1 - Physical properties of units with partial heat recovery using desuperheaters AQUACIAT™ LD 150R 180R 200R 202R 240R 260R 300R 360R 390R 450R 520R 600R Desuperheater in circuits A/B Brazed-plate heat exchanger Water volume circuits A/B 0,49 0,49 0,49 0,49 0,49...
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12 - OPTIONS Position of the desuperheater inlets and outlets Position of the desuperheater inlets and outlets LD/ILD150 to LD/ILD300 LD/ILD360 to LD/ILD600 Without Buffer Tank module Without Buffer Tank module 1369 805,5 With Buffer Tank module With Buffer Tank module Unit water inlet and outlet Water inlet and outlet, unit with desuperheater option All dimensions are in mm.
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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.
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12 - OPTIONS 12.2.4.3 - Installation Cooling mode operating range The hydraulic supply for each desuperheater is delivered in parallel. The hydraulic connection on the desuperheater water inlet and Part load all sizes outlets must not generate any local mechanical stress on the Part load, RQ only Part load, RQ only exchangers. If necessary, install flexible couplings.
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12 - OPTIONS 12.2.5 - Units with fans with available pressure Fan discharge connection (XtraFan option) A square flange is supplied mounted on the unit. The unit is supplied with a grille on the discharge side. This grille 12.2.5.1 - General information has to be removed before connection to the duct system. The design of this range using R32 is intended for outdoor It is advisable to make the connection to the duct system with a installation.
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12 - OPTIONS 12.2.6 - Standard unit suction line connection Specific precautions for connection (connection frame option with or without filtration) for sizes 240R to 300R on the AQUACIAT™ ILD model, option 12A or 23B Units equipped with the connection frame option are supplied with a sleeve that allows connection of an air-cooled exchanger suction line.
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12 - OPTIONS 12.2.7.1 - Fan motor electrical protection Each motor is controlled by its own variable-speed controller. Electrical protection is ensured by the variable-speed controller (in case of a locked rotor or overload). If a fan does not operate, the speed regulator will automatically detect this and an alert will be sent to the Connect’Touch display. Refer to the control manual for the list of alarms specific to this option.
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12 - OPTIONS 12.2.8 - Water filter and flexible connective couplings This equipment is supplied in the device for units equipped with pump(s), optionally for units without pumps. Below are the equipment diagrams for the various configurations: LD/ILD 150 - 300 LD/ILD 302 - 600 water filter water filter option + screw-in connections option This optional equipment is delivered in the device LD/ILD 302 - 600 water filter option...
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12 - OPTIONS LD/ILD 150 - 300 water filter LD/ILD 302 - 600 water filter + connection hoses + + connection hoses option screw-in connections option Note: The hoses must have a min. straight length of 205 Note: The hoses must have a min. straight length of 205 mm, and a min.
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12 - OPTIONS 12.2.9 - Brine option Based on the table below, if the ethylene glycol concentration by weight in the water loop is 35%, the value of -19.1 °C must this option enables brine to be produced down to -8 °C. The unit be used in the software.
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12 - OPTIONS 12.2.10.3 - Configuration of the fan control 12.2.10.5 - Guidelines for system installation To set the configuration corresponding to the drycooler installed For physical characteristics, dimensions, performances: refer to (number of fans, control type – fixed or variable speed), please the drycooler documentation. refer to the instructions in the Connect’Touch control manual. For the electrical connections, see the electrical wiring diagram Using these parameters, the Connect’Touch control will activate supplied with the drycooler.
13 - STANDARD MAINTENANCE 13.2 - 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 ■...
13 - STANDARD MAINTENANCE 13.4 - Level 3 maintenance Mechanical checks: ■ Check that the mounting bolts for the ventilation Maintenance at this level requires specific skills, qualifications, sub-assemblies, fans, compressors and electrics box are tools and expertise. Only the manufacturer, his representative securely tightened or authorised agent are permitted to carry out this work. This maintenance work relates to the following: Hydraulic checks: ■...
13 - STANDARD MAINTENANCE 13.6 - Tightening torques for the main Never use a pressure water spray without a large fastenings diffuser. Concentrated and/or rotating water jets are strictly Value forbidden. Screw type (N.m) Never use a fluid with a temperature above 45 °C to Compressor rail Compressor bracket clean the air heat exchangers.
13 - STANDARD MAINTENANCE 13.10 - Refrigerant volume It is essential to run the unit in cooling mode to find out whether the charge is correct; this is done by checking the actual subcooling. Following a slight leak, it will be possible to detect a drop in the refrigerant charge from the initial charge, and this will affect the subcooling value obtained at the air-cooled exchanger outlet; it cannot, however, be detected in heating mode. 13.11 - Refrigerant properties R32 properties Saturated temperatures (°C) based on the relative pressure (in kPa) Relative Relative Relative...
14 - FINAL SHUTDOWN 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.
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 Model ..................Serial number ................Compressors Circuit A Circuit B 1.
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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 ..........................................
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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 ......................................
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CARRIER participates in the ECP programme for LCP/HP Check ongoing validity of certificate: www.eurovent-certification.com Carrier SCS, Montluel, France. Printed in the European Union. Manufacturer reserves the right to change any product specifications without notice.
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