1 Thermo Scientific NESLAB Merlin Recirculating Chiller Thermo Scientific Manual P/N U00753. Rev. 09/20/10. Installation Operation Basic Service Visit our Web site at: Product Service Information, Applications Notes, MSDS Forms, e-mail. Voice Info: (800) 258-0830. Thermo Fisher Scientific Sales, Service, and Customer Support 25 Nimble Hill Road 25 Nimble Hill Road Newington, NH 03801 Newington, NH 03801. Tel : (800) 258-0830 or Tel: (800) 258-0830. (603) 436-9444 Sales: 8:00 am to 5:00 pm Fax : (603) 436-8411 Service and Support: 8:00 am to 6:00 pm Monday through Friday (Eastern Time). Fax: (603) 436-8411. Dieselstrasse 4. D-76227 Karlsruhe, Germany Tel : +49 (0) 721 4094 444. Fax : +49 (0) 721 4094 300. Building 6, No. 27. Xin Jinqiao Rd., Shanghai 201206.
2 Tel : +86(21) 68654588. Fax : +86(21) 64457830. Statement of Copyright Copyright 2010 Thermo Fisher Scientific . All rights reserved. This manual is copyrighted by Thermo Fisher Scientific . Users are forbidden to reproduce, republish, redistribute, or resell any materials from this manual in either machine- readable form or any other form. Contents Preface .. iii Compliance .. iii WEEE/RoHS .. iii After-sale support .. iv Feedback .. iv Warranty .. iv v Safety Warnings .. vi Quick Reference Operating Procedures .. ix Chapter 1 Description .. 1. Specifications .. 2. Chapter 2 Installation and Operation .. 7. Site .. 7. Electrical Requirements .. 8. Plumbing Requirements .. 10. Fluids .. 11. Filling Requirements .. 12. Reservoir Tank Isolation Valves/Open Tank Circulation.
3 12. Controller .. 13. Start Up/Shut Down .. 15. Setup/Tuning Loop .. 18. Chapter 3 Options .. 21. Communication Connector .. 21. Remote Start/Stop .. 22. External Temperature Sensor .. 23. Reservoir Level Warning/Fault .. 24. Low Pump Flow Warning/Fault .. 24. Additional Accessories .. 24. Chapter 4 Maintenance .. 25. Error Codes .. 25. Displaying Software Version Number .. 26. Controller PID Values .. 27. Cleaning .. 27. Algae .. 28. 28. Phase Rotation Interlock .. 28. Thermo Scientific NESLAB Merlin Series i Contents PD Pressure Relief Valve .. 29. Pump Strainer .. 30. PD Pump Motor Lubrication .. 31. Storage .. 32. BOM Decoder .. 32. Temperature Sensor 32. Chapter 5 Troubleshooting Checklist .. 37. Service Assistance .. 39. Appendix A Water Quality Standards and Recommendations.
4 41. Appendix B NC Serial Communications Protocol .. 47. Warranty ii NESLAB Merlin Series Thermo Scientific Preface Compliance Listed to: UL 61010-1 2nd Edition CSA # 2nd Edition Products tested and found to be in compliance with the requirements defined in the EMC standards defined by 89/336/EEC as well as Low Voltage Directive (LVD) 73/23/EEC can be identified by the CE Mark on the rear of the unit. The testing has demonstrated compliance with the following directives: z LVD, 73/23/EEC IEC/EN 61010-1. z EMC, 89/336/EEC IEC/EN 61326-1. For any additional information, refer to the Declaration of Conformity that shipped with the unit. WEEE/RoHS This product is required to comply with the European Union's Waste Electrical & Electronic Equipment (WEEE) Directive 2002/96/EC.
5 It is marked with the following symbol: Thermo Fisher Scientific has contracted with one or more recycling/. disposal companies in each EU Member State, and this product should be disposed of or recycled through them. Further information on Thermo Fisher Scientific 's compliance with these Directives, the recyclers in your country, and information on Thermo Scientific products which may assist the detection of substances subject to the RoHS Directive are available at: Thermo Scientific NESLAB Merlin Series iii Preface After-sale Support Thermo Fisher Scientific is committed to service both during and after the sale. If you have questions concerning operation, contact our Sales Department. If your unit fails to operate properly, or if you have questions concerning spare parts or Service Contracts, contact our Service Department.
6 Before calling, please obtain the following information: z unit BOM number (see page 32). z unit serial number z unit software version ( see page 26). z voltage of power source The unit's BOM and serial number are located on the name plate label on the rear of the unit. BOM#: XXXXXXXXXXXX. S/N: XXXXXXXXX. XXX VOLT XX HZ X PH AMP. R134A HIGH XXX PSI LOW XXXPSIG. Feedback We appreciate any feedback you can give us on this manual. Please e-mail us at Be sure to include the manual part number and the revision date listed on the front cover. Warranty Thermo Scientific NESLAB Merlin units have a warranty against defective parts and workmanship for 24 months from date of shipment. See back page for more details. iv NESLAB Merlin Series Thermo Scientific Preface Unpacking Retain all cartons and packing material until the unit is operated and found to be in good condition.
7 If the unit shows external or internal damage contact the transportation company and file a damage claim. Under ICC. regulations, this is your responsibility. Out of Box Failure An Out of Box Failure is defined as any product that fails to operate in conformance with sellers published specifications at initial power up. The unit must be installed in accordance with manufacturer's recommended operating conditions within 30 days of shipment from the seller. Any Temperature Control product meeting the definition of an Out of Box Failure must be packed and shipped back in the original packaging to Thermo Fisher Scientific for replacement with a new unit; Seller to pay the cost of shipping. Customer must receive a Return Material Authorization (RMA) from Thermo Fisher prior to shipping the unit.
8 Thermo Scientific NESLAB Merlin Series v Preface Safety Warnings Warnings are posted throughout the manual. These warnings are designated by an exclamation mark inside an equilateral triangle and text highlighted in bold. Read and follow these important instructions. Failure to observe these instructions can result in permanent damage to the unit, significant property damage, or personal injury or death. The lightning flash with arrow symbol, within an equilateral triangle, is intended to alert the user to the presence of non-insulated "dangerous voltage" within the unit's enclosure. The voltage may be of significant enough magnitude to constitute a risk of electrical shock. Make sure you read and understand all instructions and safety precautions listed in this manual before installing or operating your unit.
9 If you have any questions concerning the operation of your unit or the information in this manual, please contact our Sales Department (see After-sale Support). Never place the unit in a location where excessive heat, moisture, or corrosive materials are present. S. The unit construction provides protection against the risk of electrical shock by grounding appropriate metal parts. The protection may not function unless the power cord is connected to a properly grounded outlet. It is the user's responsibility to assure a proper ground connection is provided. S. Never connect the process fluid inlet or outlet fittings to your building water supply or any water pressure source. S. Never use flammable or corrosive fluids with this unit. Highly distilled and deionized water may be aggressive and cause material corrosion.
10 Please contact Thermo Fisher before subjecting this unit to prolonged exposure to highly distilled or deionized water. S. Do not use automotive antifreeze. Commercial antifreeze contains silicates that can damage the pump seals. Use of automotive antifreeze will void the manufacturer's warranty. S. vi NESLAB Merlin Series Thermo Scientific Preface In addition to the specific warnings listed on the previous page the following general warnings also apply to your unit: Performance of Installation , operation, or maintenance procedures other than those described in this manual may result in a hazardous situation and may void the manufacturer's warranty. S. Transport the unit with care. Sudden jolts or drops can damage the unit's components. S. If the unit is to be transported and/or stored it needs to be drained.