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Summary of Contents for Laird Nextreme Series
- Page 1 Nextreme Recirculating Chiller Specification and User Manual Part Number 387004848...
- Page 2 Laird. All specifications are subject to change without notice. Laird assumes no responsibility and disclaims all liability for losses or damages resulting from use of or reliance on this information. All Laird products are sold subject to the Laird Terms and Conditions of sale (including Laird’s limited warranty) in effect from time to time, a copy of which will be furnished upon request.
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Page 3: Table Of Contents
Table of Contents Revision History ............................ 6 Introduction ............................7 Safety Precautions ..........................8 Guidelines for Safe Operation ......................8 Prevent Hazards ..........................8 Personal Protective Gear ........................ 8 Guidelines Regarding Electrical Equipment ..................9 Inadmissible Operating Conditions ....................9 Specialized Knowledge ........................ - Page 4 Thermal Performance ........................41 Pump Performance ........................42 Chiller Dimensions ..........................44 Controller Display Panel Functions ....................46 Startup Screen ..........................46 Main Screen ............................46 Running the Pump ........................47 Choosing the Coolant Setpoint ..................... 47 Running the system ........................47 Sleep Screen .............................
- Page 5 Disposal of Operating Materials ......................70 Disposal of Refrigerant ........................71 Return of the Unit to Laird ......................... 71 Return Procedure ..........................72 List of figures ............................73...
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Page 6: Revision History
Revision History DATE DESCRIPTION 05/22/19 Initial Draft for EMC Testing 10/16/2019 Manual for UL IEC Testing 05/06/2020 Initial release for customer... -
Page 7: Introduction
Introduction The Nextreme Recirculating Chiller is a refrigeration-based chiller designed for precise and reliable temperature control of equipment. It can be used in several user applications such as Medical, Analytical Instrumentation, Industrial and Semiconductor. This family of chillers offer different configurable options for pumps selection, coolant flow control, supply pressure monitoring and filtering. -
Page 8: Safety Precautions
Safety Precautions This section provides an overview of all the important safety aspects for optimal protection of personnel as well as safe and trouble-free operation of the equipment. The operating manual and warning instructions specified herein should be reviewed completely by all personnel prior to operating the unit. -
Page 9: Guidelines Regarding Electrical Equipment
High Temperature Limit on Coolant Return - The maximum allowable coolant return (inlet) is 50°C. It is the responsibility of the customer to ensure that this limit is not exceeded. Laird Thermal Systems recommends a thermal shutoff be used in conjunction with the equipment being connected to the Recirculating Chiller. -
Page 10: Safety And Signaling Equipment Included In The Unit
The activities listed Table 1 in may only be performed by personnel with specialized knowledge. Table 1: Activities and specialized knowledge Activities Qualifications Industrial technician or sufficiently instructed personnel who can work on Working on mechanical and / or the unit under the guidance of the manufacturer’s technical support or hydraulic installations installation instructions Working on electrical installations... -
Page 11: Guards
Guards Direct access to hazardous parts or areas of the unit is prevented by the unit cover. The unit cover may only be removed for maintenance or repairs. It must be closed prior operating the unit. Note: warranty conditions before opening the guards. Figure 1 Guards In Case of Accidents Should you or another person be injured when working with the unit, do the following:... - Page 12 Refrigerant R513A The refrigerant used in the unit is classified to be slightly dangerous to groundwater and contains fluoridated greenhouse gas. Do not release into canalization or waters. Do not release into atmosphere. Storage only in approved containers. ...
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Page 13: Model Number Description
System option codes are added to the end of the model number in alphabetical order. * Only available with NRC2400 and NRC5000 models. † only available with NRC1200. †† Only available with NRC5000 model. See Laird Thermal Systems Online Wizard Configurator for Manufacturer’s Part Number. www.lairdthermal.com... -
Page 14: Specifications
(ANSI / UL / CSA / IEC EN 61010-1 Edition 3) Nominal capacity rating is given at a 20°C (68°F) setpoint, 20°C (68°F) ambient temperature, sea level, and 60Hz operation. For ambient conditions outside this range, please contact Laird Thermal Systems. - Page 15 (ANSI / UL / CSA / IEC EN 61010-1 Edition 3) Nominal capacity rating is given at a 20°C (68°F) setpoint, 20°C (68°F) ambient temperature, sea level, and 60Hz operation. For ambient conditions outside this range, please contact Laird Thermal Systems.
- Page 16 (ANSI / UL / CSA / IEC EN 61010-1 Edition Nominal capacity rating is given at a 20°C (68°F) setpoint, 20°C (68°F) ambient temperature, sea level, 60Hz operation, and the ST1 pump. For ambient conditions outside this range, please contact Laird Thermal Systems.
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Page 17: Component Locations
Component Locations Figure 2 Isometric Views of Unit Figure 3 Top View... -
Page 18: Figure 4 Front View Figure 5 Rear View
Figure 4 Front View Figure 5 Rear View Figure 6 Side View... -
Page 19: Labels And Markings
1 – Coolant level low marking 2 – Coolant level high marking 3 – Refrigerant information label 4 – Laird serial number label 5 – Coolant return label (to the unit) Figure 7 Marking on Unit 6 – Coolant supply label (to the unit) 7 –... -
Page 20: Optional System Features
Optional System Features Coolant Filter Kit The Coolant filter is hot swappable with a bypass valve. When filter cartridge change is required, the Filter can be put in bypass mode in order to change the cartridge without affecting flow. Note: For assembling the fittings, use PTFE thread sealant tape provided with the kit to ensure a tight seal and to prevent leakage Figure 9 Coolant Filter Kit Part List... -
Page 21: Flow Control Kit
Flow Control Kit The Flow Control Kit comprises mainly of a Flow Control Valve, Flow Sensor, and associated supporting parts. The flow rate can be adjusted according to the application and can be monitored. Refer Inadmissible Operating Conditions to avoid any safety hazards. Note: For assembling the fittings, use PTFE thread sealant tape provided with the kit to ensure a tight seal and to prevent leakage. -
Page 22: Figure 12 Assembly Instructions For Flow Control Kit
Assembly Instructions shown below: (Follow step numbers) Figure 12 Assembly Instructions for Flow Control Kit Figure 13 Flow Control Kit assembled onto Unit... -
Page 23: Flow Control Kit With Filter
Flow Control Kit with Filter Flow control kit with Filter comprises mainly of a Flow Control Valve, Flow Sensor, Coolant Filter and associated supporting parts. Flow rate can be adjusted depending on the application and can be monitored and Coolant will be supplied through the filter. Note: For assembling the fittings, use PTFE thread sealant tape provided with the kit to ensure a tight seal and to prevent leakage. -
Page 24: Figure 15 Assembly Instructions For Flow Control Kit With Coolant Filter
Assembly Instructions shown below: (Follow step numbers) Figure 15 Assembly Instructions for Flow Control Kit with Coolant Filter Coolant filter along with the Flow Control Kit fitted on the unit shown in picture. Figure 16 Flow Control Kit with Coolant Filter assembled on Unit... -
Page 25: Transport, Packaging And Storage
Transport, Packaging and Storage Safety WARNING Damage due to improper transportation Injuries to persons and significant damage to property can occur in the case of improper transportation. When unloading the packed unit on delivery, including in-house transport, proceed very carefully and obey the symbols and instructions on the packaging. -
Page 26: Packaging
Symbol Meaning Do not stack This symbol indicates that goods are sensitive to stacking Handle with care This symbol indicates that package must be handled with care Team lift This symbol indicates that two or more persons must be used for lifting as the package is heavy Keep Upright This symbol indicates the goods are sensitive to tilt... - Page 27 b) Lift the cardboard box and remove from the top. c) Carefully drop the fold down ramp to the floor d) Remove the foam packing material. Slide the plastic covering on the unit to the bottom.
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Page 28: Handling The Unit While In The Packaging
Then carefully and steadily roll the unit down the ramp. Care should be taken to make sure unit does not roll off the side of the ramp. Laird advises to keep the transport pallet (if provided) for later transportation of the unit. Handling the Unit While in the Packaging... -
Page 29: Transportation On Casters
Wear personal protective gear (such as protective footwear and protective gloves). Do not walk or stand under a suspended load. Use only suitable means of transport (such as an industrial or lift truck). Use only industrial trucks with appropriate capacity for loading. Unit weight – Refer to ... - Page 30 Procedure 1. Pack the unit according to the transport conditions that can be expected. Laird advises to use original packaging, if available, or an equivalent packaging. 2. Mark the packaging with the appropriate symbols. Refer to Symbols on the Packaging.
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Page 31: Installation Requirements
Installation Requirements 1. Minimum Clearance from obstructions is required as shown to ensure that air intake and air discharge is not blocked as this could affect cooling capacity. Figure 17 Minimum Clearance required for Unit Installation 2. The location must be level 3. -
Page 32: Installation Procedure
Installation Procedure Connect Hoses NOTE Risk of damage by using improper or faulty coolant hoses This may lead to damage to persons, damage to property, or corrosion damage. When choosing coolant hoses pay attention to burst pressure and compatibility with coolant. ... -
Page 33: Disconnect Hoses
Connect the coolant hoses to the corresponding connections of the unit to be cooled. The coolant hoses are now connected to the unit. Disconnect Hoses The coolant hoses are connected to the unit at the coolant inlet and coolant outlet connections, labeled with respective symbols. -
Page 34: Connecting Power
It is the user’s responsibility to assure a proper ground connection is provided. • Power Cord with C19 connector (not supplied by Laird Thermal Systems) • Use cable rated for 20A 250V with IEC320-C19 receptacle. The customer side of the cable... - Page 35 and they should never be used with deionization (DI) filter. Furthermore, the inhibitors will be removed from the coolant that would normally prevent corrosion. Suggested Contaminant Limits: Organics Algae, Bacteria, etc. Inorganic Chemicals Calcium <10 Chloride <25 Copper <1.0 Iron <0.2 Lead Magnesium...
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Page 36: Chiller Operation
Chiller Operation The chiller unit consists of the following subunits: 1. Refrigeration Circuit The refrigeration circuit consists of evaporator, compressor, condenser, expansion valve and refrigerant. The coolant returning from the customer’s application exchanges with the refrigerant in the evaporator. The evaporated refrigerant is compressed by the compressor and sent to the condenser. -
Page 37: Figure 21 Refrigerant Circuit And Coolant Circuit
Figure 21 Refrigerant Circuit and Coolant Circuit Figure 22 Coolant Circuit and Control Panel... -
Page 38: Wiring Diagram
Wiring Diagram Figure 23 Power Wiring Diagram High Voltage NRC2400 and NRC1200(230V) Figure 24 Power Wiring Diagram High Voltage NRC5000... -
Page 39: Figure 25 Sensor Wiring Low Voltage
Figure 25 Sensor Wiring Low Voltage... -
Page 40: Plumbing & Refrigeration Diagram
Plumbing & Refrigeration Diagram Figure 26 Plumbing and Refrigeration Diagram... -
Page 41: Performance Graphs
Performance Graphs Thermal Performance NRC1200 Figure 27 Thermal Performance of NRC1200 with Cooling Fluids: Water & 40% EG/W NRC2400 Figure 28 Thermal Performance of NRC2400 with Cooling Fluids: Water & 40% EG/W NRC5000... -
Page 42: Pump Performance
Pump Performance NRC1200 Figure 29 Pump Performance of NRC1200 with Cooling Fluids: Water & 40% EG/W NRC2400 Figure 30 Pump Performance of NRC2400 with Cooling Fluids: Water & 40% EG/W NRC5000... -
Page 43: Figure 31 Pump Performance Of Nrc5000 With Cooling Fluids: Water And 40% Eg/W
Figure 31 Pump Performance of NRC5000 with Cooling Fluids: Water and 40% EG/W... -
Page 44: Chiller Dimensions
Chiller Dimensions Figure 32 NRC1200 Chiller Overall Dimensions Figure 33 NRC2400 Chiller Overall Dimensions... -
Page 45: Figure 34 Nrc 5000 Chiller Overall Dimensions
Figure 34 NRC 5000 Chiller Overall Dimensions NOTE: Dimensions are in mm Dimensions in parathesis are in inches. -
Page 46: Controller Display Panel Functions
Controller Display Panel Functions Startup Screen When the unit is first powered on, the touch panel shows this screen for 10 seconds. Figure 35 Start-up Screen Main Screen Figure 36 Main Menu Buttons Description Main Menu is selected Information Menu is selected Alarm menu is selected Settings menu is selected Pump is OFF... -
Page 47: Running The Pump
Setpoint increments/decrements in 1.0 Increase setpoint by selected increment level Decrease setpoint by selected decrement level Stores set point in flash memory Running the Pump The pump can be switched on by pressing the PUMP button on screen. The box will turn from grey to green which indicates that the pump is on. -
Page 48: Sleep Screen
Sleep Screen Touch panel goes to sleep when the screen has been inactive for 3 minutes and shows coolant supply temperature. The system doesn’t go to sleep screen when the information screen is being displayed or when the unit is not running. Figure 39 Sleep Screen Information Screen Figure 40 Information Screen... -
Page 49: Alarms Display Screen
Type This is the type of refrigerant Alarms Display Screen If the system is not in an alarm condition, then the alarms tab doesn’t show any alarm. Figure 41 Alarm screen with no active alarms If the system experiences an alarm condition, the alarm button changes on the home screen to indicate this. -
Page 50: Settings Screen
Buttons Description Alarm has been set Amber alarm Amber alarm Selected Red Alarm Red Alarm Selected Red alarms are used to indicate an abnormal system condition and is usually associated with the shutdown of a component or the whole system. There is an audible alarm for this condition and requires an action from the customer for the system to restart. -
Page 51: Customer Configurable Alarms
Figure 45 Choosing the Coolant Customer Configurable Alarms Figure 46 Setpoint Alarms Alarms such as Coolant Supply Pressure, Low Temperature Δ and High Temperature Δ can be set in the Setting Menu Each Alarm can be turned ON or OFF as required and the value can be changed by clicking on the number. -
Page 52: Flow Settings
Figure 48 Low Temperature Delta High temp delta This alarm is to alert the customer if the coolant supply temperature doesn’t come within this specified deltaT from above the set point in a set amount of time. This alarm is disabled by default. If the customer enables this alarm, then the default value of delta T is 1 and default time is 30 minutes. - Page 53 Low flow alarm can be either switched ON or OFF depending on customer selection. Once turned on, the value can be changed by clicking on the number.
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Page 54: Troubleshooting
Troubleshooting For troubleshooting, use the following: Alarm status screen Wiring diagram Plumbing & Refrigeration Diagram Troubleshooting table (below) Issue Possible Cause Corrective Measures Clearance By Unit does not start Power not applied. Electrical Check power supply and ensure proper Operator connection not correct or no voltage in the line. -
Page 55: Alarms
Alarms *- Red: Critical with Stop, Amber: Notify, Green: Status Alarm Criticality Alarm Description Cause Effect Action Required/ Troubleshooting Refrigerant Refrigerant compressor Hot gas valve not Compressor Check if the unit has been sitting in compressor suction side pressure is closing (not stops running, ambient temperature above the... - Page 56 Alarm Criticality Alarm Description Cause Effect Action Required/ Troubleshooting Compressor Compressor condenser Compressor If this happens Turn off the power switch to the unit condenser side side pressure sensor is condenser side during system off. Wait 5 seconds to turn the pressure not working properly pressure sensor is...
- Page 57 Alarm Criticality Alarm Description Cause Effect Action Required/ Troubleshooting Coolant supply Coolant supply Coolant supply If this happens Turn off the power switch to the unit temperature temperature sensor is temperature during system off. Wait 5 seconds to turn the sensor failure not working properly sensor is not...
- Page 58 Alarm Criticality Alarm Description Cause Effect Action Required/ Troubleshooting Self-Test Controller checks Sensors not System Check if there are any other alarms whether all the sensors connected properly wouldn’t Run if listed in the alarms page of the LCD are functioning properly or component self-test fails screen along with this alarm.
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Page 59: Communications Interface
Communications Interface Instructions for Setup RS232 and RS485 serial communications are available. They are accessible via the DB-9 connectors on the rear of the chiller. Refer Inadmissible Operating Conditions to avoid any safety hazards. A Terminal Emulator or other comparable device will need to be connected to the DB-9 to allow command to be entered. - Page 60 $PCFLT (Returns [ FLT fault or “NO FAULTS FOUND”]) $PCFLT,C (Clears Fault, Returns [ FLT Faults Cleared])
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Page 61: System Maintenance And Service
System Maintenance and Service Diligent maintenance is the prime factor for assuring an error-free and efficient operation of the unit. All the maintenance tasks contained in this chapter must be performed according to the maintenance intervals. Safety All safety and warning instructions must be reviewed completely by all personnel prior to maintenance work of the unit. -
Page 62: Maintenance Schedule
Environmental Issues NOTE Danger to the environment due to improper handling Environmentally conscious and anticipatory behavior of staff avoids environmentally hazardous impacts. The following principles apply for environmentally conscious behavior: Environmentally hazardous substances must not get into the soil or into the drains. They ... -
Page 63: Preparing The Unit For Maintenance
Preparing the Unit for Maintenance All necessary safety measures must be taken to prevent accidents when carrying out the maintenance. The following preparations must be made: Terminate the cooling operation. Let the unit and its coolant cool down to the ambient temperature. ... -
Page 64: Draining Procedure
Draining Procedure NOTE Risk of Damage to the pump When the coolant level in the coolant tank is too low and if it runs the pump dry, the pump can be damaged or destroyed. Avoid running the pump dry to prevent damage ... -
Page 65: Coolant Maintenance
Coolant Maintenance Periodically inspect the coolant for contamination. Replace if the coolant becomes dirty/contaminated. Replace filter: As filter ages, it will become clogged with particles and contamination. Visually inspect and replace filter as necessary. Refer to spare parts for filter part number. Cleaning the Heat Exchanger Cooling capacity is heavily reduced if the heat exchanger is contaminated. -
Page 66: Spare Parts
Spare Parts NRC1200 230V Name Part No. Pump + motor 230V 50/60Hz 387002071-SP Condenser Fan 230V 387003736-SP Tank Cap 387002004-SP Electronic Expansion Valve 387003734-SP Electronic Expansion Valve Coil 387001942-SP Hot gas bypass valve 387003727-SP Hot gas bypass valve coil 387002838-SP Refrigerant high-pressure sensor 387001977-SP Refrigerant low-pressure sensor... - Page 67 Casters locking 387002803-SP Casters non-locking 387002804-SP Compressor fuse 30A 387004338-SP Pressure Switch 387005330-SP Overcurrent Switch 387005437-SP NRC2400 Name Part No. Pump + motor 230V 50/60Hz 387002071-SP Condenser Fan 230V 387002821-SP Tank Cap 387002004-SP Electronic Expansion Valve 387002839-SP Electronic Expansion Valve Coil 387001942-SP Hot gas bypass valve 387002837-SP...
- Page 68 LCD Display assembly 387004426-SP Flow meter 387004187-SP Flow adjustment valve 387004180-SP Filter Housing (includes filter) 387004178-SP Filter Cartridge 387004497-SP Casters locking 387002032-SP Casters non-locking 387002031-SP Pressure Switch 387005330-SP Overcurrent Switch 387005152-SP...
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Page 69: Declaration Of Conformity
Declaration of Conformity... -
Page 70: Decommissioning And Disposal
Final decommissioning or disposal of the unit must be performed in accordance with the regulations of the country of use. Contact Laird Thermal Systems to return end-of-life units through the official website at https://www.lairdthermal.com/contact or contact a company specializing in the disposal and recycling of equipment. -
Page 71: Disposal Of Refrigerant
Waste disposal only by qualified contractors. Always adhere to manufacturer safety requirements when handling operating supplies. Return of the Unit to Laird Declaration of decontamination Before re-shipment of the unit a declaration of decontamination must be sent to Laird. -
Page 72: Return Procedure
All returns must be assigned a Return Materials Authorization number (RMA#) in advance. Returns received without RMA # may be refused. If a return is required, the Customer should call; Laird Thermal Systems’ Customer Service Department at: Americas: +1.919.597.7300 Europe: +46.31.420530 Asia: +86.755.2714.1166... -
Page 73: List Of Figures
List of figures Figure 1 Guards ............................ 11 Figure 2 Isometric Views of Unit ......................17 Figure 3 Top View ..........................17 Figure 4 Front View Figure 5 Rear View ....... 18 Figure 6 Side View ..........................18 Figure 7 Marking on Unit ........................19 Figure 8 Labels on Unit .........................
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