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LaZerWeld II Plate Heat Exchangers
LZWII-2M, LZWII-4B, LZWII-4E, LZWII-6B,
LZWII-8K, LZWII-8B, and LZWII-12M
This manual contains installation, operation, and maintenance
instructions. Read thoroughly before beginning installation. Failure
to follow these instructions may result in personal injury or death,
Check www.FrickCold.com for the latest version of this publication.
damage to the unit, or incorrect operation.
Form 190.210-IOM (SEP 2021)
Installation – Operation – Maintenance
File:
Service Manual – Section 190
Replaces:
190.210-IOM (FEB 2020)
Distribution: 3, 3a, 3b, 3c
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Related Manuals for Frick LaZerWeld II
Summary of Contents for Frick LaZerWeld II
- Page 1 Service Manual – Section 190 Replaces: 190.210-IOM (FEB 2020) Distribution: 3, 3a, 3b, 3c LaZerWeld II Plate Heat Exchangers LZWII-2M, LZWII-4B, LZWII-4E, LZWII-6B, LZWII-8K, LZWII-8B, and LZWII-12M This manual contains installation, operation, and maintenance instructions. Read thoroughly before beginning installation. Failure to follow these instructions may result in personal injury or death, damage to the unit, or incorrect operation.
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Page 2: Table Of Contents
190.210-IOM (SEP 21) LazerWeld II Plate Heat Exchanger Page 2 Installation - Operation - Maintenance Table of Contents General Information Operation Preface ................3 Starting the unit .............. 11 Safety considerations ............3 Operating the unit ............12 Warranty conditions ............3 Shutting down the unit ............ -
Page 3: General Information Preface
• Ensure plastics are recycled or burnt at a licensed ries to persons or property damage. Frick does not accept waste incineration plant. responsibility for any damage or injury resulting from not following the instructions in this manual. -
Page 4: Main Components
190.210-IOM (SEP 21) LazerWeld II Plate Heat Exchanger Page 4 Installation - Operation - Maintenance Main components The following figure and table details the main components of the LZWII. Figure 1: LZWII main components Distance sheets Port hole with stud... -
Page 5: Nameplate
LazerWeld II Plate Heat Exchanger 190.210-IOM (SEP 21) Installation - Operation - Maintenance Page 5 Nameplate Function On the nameplate you can find the type of unit, manufac- The LZWII consists of a set of corrugated metal plates turing number, and manufacturing year. You can also find... -
Page 6: Identifying The Plate Side
190.210-IOM (SEP 21) LazerWeld II Plate Heat Exchanger Page 6 Installation - Operation - Maintenance Figure 3: Cassette arrangement forming the plate pack End cassette I End single plate Channel cassettes End cassette II End single plate Two plates that form... -
Page 7: Installation
LazerWeld II Plate Heat Exchanger 190.210-IOM (SEP 21) Installation Page 7 Figure 5: Shut-off valve and elbow location Installation Before installing Elbow NOTICE Before start-up, check that all tightening bolts are firmly tightened and that you use the correct mea- surements of the plate pack. -
Page 8: Raising
190.210-IOM (SEP 21) LazerWeld II Plate Heat Exchanger Page 8 Installation Figure 7: Lifting device for LZWII-2M and LZWII-4B Figure 10: Lifting device for LZWII-12M Figure 8: Lifting device for LZWII-6B Raising This instruction is valid when raising the LZWII after delivery. -
Page 9: Connecting To The System
NOTICE 4. Place straps around one bolt on each side. Frick suggests installing an external secondary media Figure 14: Straps inlet strainer with a mesh size of between 0.5 mm to 1.0 mm. - Page 10 190.210-IOM (SEP 21) LazerWeld II Plate Heat Exchanger Page 10 Installation This page is intentionally left blank...
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Page 11: Operation Starting The Unit
LazerWeld II Plate Heat Exchanger 190.210-IOM (SEP 21) Operation Page 11 Operation 2. Check that the valve is closed between the pump and the unit controlling the system flow rate. Starting the unit Figure 18: Valve positions During start-up, check that no visible leakages appear from the plate pack, valves, or piping system. -
Page 12: Operating The Unit
190.210-IOM (SEP 21) LazerWeld II Plate Heat Exchanger Page 12 Operation Shutting down the unit NOTICE If several pumps are included in the system, make sure you know which one to stop first. Avoid rapid temperature changes in the LZWII. With media temperatures over 212°F (100°C), slowly in-... -
Page 13: Maintenance
Design innovations Frick RefTight™ plate innovation is a unique, reliable, and robust sealing system that contributes to the long- Audit schedule life expectancy of gaskets in refrigeration applications. -
Page 14: Backflushing
Opening NOTICE Cleaning-in-place Before opening the PHE check the warranty condi- tions. If in any doubt, contact a Frick sales represen- The CIP equipment permits cleaning of the PHE without tative. See Warranty conditions. opening it. Benefits of CIP include: •... - Page 15 5. Measure and note the dimension A. Figure 30: Dimension A 2. Brush the threads of the bolts clean, using a steel wire brush or the Frick thread cleaner. Lubricate the threads with a thin layer of grease, such as Gleitmo 800 Lubri- plate or equivalent.
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Page 16: Manually Cleaning Opened Units
190.210-IOM (SEP 21) LazerWeld II Plate Heat Exchanger Page 16 Maintenance 7. Open the remaining four bolts alternately and diago- NOTICE nally in two steps. See the following figures. NOTICE Number the cassettes before removing them. Cassettes do not need to be removed if cleaning is Be careful to ensure that the frame plate and pressure done using only water, or without cleaning agent. -
Page 17: Deposits Not Removable With Water And Brush
Cassettes must be removed from the PHE during cleaning. NOTICE WARNING Before opening the LZWII check the warranty condi- tions. If in any doubt, contact a Frick sales represen- Use appropriate protective equipment, such as safety tative. See Warranty conditions. boots, safety gloves and eye protection, when using 2. -
Page 18: Adhesive Tape
NOTICE CAUTION Before opening the LZWII check warranty terms and Do not use sharp tools when removing the glued conditions. If in doubt, contact your Frick sales rep- gasket to avoid damage to the plates. resentative. See Warranty conditions. Closing 2. - Page 19 LazerWeld II Plate Heat Exchanger 190.210-IOM (SEP 21) Maintenance Page 19 Figure 41: Brush the threads 6. Press the plate assembly together. Tightening is done in two steps. See the following substeps. Be careful to ensure that the frame plate and the pressure plate are always in parallel.
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Page 20: Maximum Tightening Torque
Storing the LZWII If dimension A cannot be reached: Frick delivers the LZWII ready to be put into service upon • Check the number of cassettes and the dimension A. arrival if nothing else has been agreed. However, keep the •... -
Page 21: Taken Out Of Service
LazerWeld II Plate Heat Exchanger 190.210-IOM (SEP 21) Maintenance Page 21 Outdoor storage If the LZWII is stored outdoors, follow all the precautions mentioned in Indoor storage. Protection against environ- mental conditions is also very important. Visually check the stored heat exchanger every third month. - Page 22 September 2021 revisions Throughout – Updated Frick and JCI logo – Updated Figure captions and numbering Page 13 – Added Preventive maintenance guidelines (and subheadings) and Audit schedule Page 14 – Added Backflushing and Reconditioning at an authorized center Page 20 –...
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