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Thermo Scientific Merlin LR Multilingual Quick Starts Installation

1. Before calling please obtain the following information e chiller BOM number e chiller serial number e chiller software version page 26 voltage of power source Merlin LR Series 39 Chapter5 40 Merlin LR Series Thermo Scientific Contaminants Merlin LR Series 41 Appendix A Water Quality and Standards Permissible PPM Desirable PPM Microbiologicals ria fungi Inorganic Chemicals Calcium lt 40 lt 0 6 Chloride lt 250 lt 25 Copper lt 1 3 lt 1 0 Iron lt 0 3 lt 0 1 Lead lt 0 015 0 Magnesium lt 12 lt 0 1 Manganese lt 0 05 lt 0 03 Nitrates Nitrites lt 10 as N 0 Potassium lt 20 lt 0 3 Silicate lt 25 lt 1 0 Sodium lt 20 lt 0 3 Sulfate lt 250 lt 50 Hardness lt 17 lt 0 05 Total Dissolv li lt lt 1 Other Parameters pH 6 5 8 5 7 8 Resistivity 0 07 5 005 0100 MQcm Compensated to 25 C Unfavorably high total ionized solids TIS can accelerate the rate of galvanic corrosion These contaminants can function as electrolytes which increase the potential for galvanic cell corrosion and lead to localized corrosion such as pitting which can be observed at the studs and on the outside surface of cooling coils Eventually the pitting becomes so extensive that the coil will leak refrigerant into the water reservoit For example raw water in the U S averages 171 ppm of NaCl The recommended level for use in a water system is between 0 5 to 5 0 ppm of NaCl Recommendation I
2. e chiller BOM number see page 32 e chiller serial number e chiller software version see page 26 voltage of power source The chiller s BOM and serial number are located on the name plate label on the rear of the chiller Thermo Fisher Scientific Newington NH 03801 U S A 800 258 0830 603 436 9444 NN S N XXXXXXXXX XXX VOLT XX HZ XPH X XAMP R134A X XOZ HIGH XXX PSI LOW XXXPSIG We appreciate any feedback you can give us on this manual Please e mail us at temanuals thermofisher com Be sure to include the manual part number and the revision date listed on the front cover Thermo Scientific Merlin chillers have a warranty against defective parts and workmanship for 24 months 12 months for positive displacement pumps from date of shipment See back page for more details Thermo Scientific Thermo Scientific Unpacking Preface Retain all cartons and packing material until the chiller is operated and found to be in good condition If the chiller 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 chiller must be installed in accordance with manufacturer s recommended operating conditions within 30 days of shipment from the seller
3. Once the desired setting is displayed press again to confirm the change The display rapidly flashes the new value for a short period and then returns to the recirculating fluid temperature NOTE If the value is not confirmed within 60 seconds the display returns to the recirculating fluid temperature and ignores any changes A Optional Once your remote serial comm cable is connected to the chiller enable or disable remote operation or serial communication by pressing until EY illuminates The display flashes the communication status Use the up arrow key to enable the down arrow to disable See pages 21 and 22 for additional information NOTE If the arrow keys are not pressed within 10 seconds the display returns to the current reservoir temperature A Once the desired status is displayed press again to confirm the change The display rapidly flashes the new status for a short period and then returns to the recirculating fluid temperature NOTE If the status is not confirmed within 60 seconds the display returns to the recirculating fluid temperature and ignores any change A NOTE Enabling serial communications disables the remote start stop feature In either mode the setpoint and alarm values can not be changed using the controller but they can still be viewed A Thermo Scientific External Sensor Thermo Scientific Stopping A A A Chapter 2 Optional Once the external sensor cable is co
4. kapalinou Cirkula n chladi i kapalinu je t eba pravideln obm ovat Interval obm ny z vis na stavajicich podm nk ch a stupni zat en P ed v m nou cirkula ni kapaliny se pros m ujist te ze nem nebezpe nou teplotu Nezbytnou nutnosti je pravideln ist n zeber kondenz toru pomoci vysava e Interval ist n z vis na podm nk ch V robce doporu uje prov d t vizu ln kontrolu a propadne ist n chladi ch zeber kondenz toru ka d m s c Po case se na zaklade zku enosti stanov optim ln termin cisteni kter je t eba d sledn dodr ovat Jednotky s PD erpadly maj v okruhu cirkulacn kapaliny zara en filtr Filtr m za kol zachycovat mechanick ne istoty a zabr nit tak po kozen lopatek erpadla Zaneseny filtr zp sob zv em tlaku cirkulacn kapaliny P i prvn m uveden do provozu se mu e filtr snadno zan et Po uplynuti jednoho t dne od uvedeni do provozu je t eba filtr vy istit Dal kontrola a ist n filtru se doporu uje v mesicnich intervalech Po n kolika mesicich se na zaklade zku enosti stanov vhodn interval kontroly istoty filtru P ed cistenim odpojte povodn kabel od zdroje elektrick energie a vypus te z jednotky cirkulacn kapalinu Thermo Scientific Preface Forenklet bru Innstalasion Kjoleren er ett luftslott system kermanual Luften gar inn foran og gar ut pa siden og bak kjoleren Plasser derfor
5. systemet beskytter silen mot odeleggelser Etter noe tid bor man kontrollere rengjore dette filteret deretter kontroll r rengjor filteret jevnlig Tett filter vil for rsake lavere trykk i sirkulasjon systemet Thermo Scientific Chapter 1 Description The Thermo Scientific Merlin LR Recirculating Chiller is designed to provide a continuous supply of cooling fluid at a constant temperature and flow rate The chiller consists of an air cooled refrigeration system plate heat exchanger recirculating pump polyethylene reservoir and a microprocessor controller Throughout the manual you will be asked to consult the chiller s name plate label for specific information The label is located on the rear of the chiller See below for an example Thermo Fisher Scientific Newington NH 03801 U S A 800 258 0830 603 436 9444 Si 20000000 III S N XXXXXXXXX XXX VOLT XX HZ XPH X X AMP R134A X XOZ HIGH XXX PSI LOW XXXPSIG Thermo Scientific Merlin LR Series 1 Chapter 1 Specifications Process Fluid Temperature Range Temperature Stability Reservoir Volume Gallons Liters Refrigerant Intake Requirements ft min 60 Hertz chillers 2 Shipping Weight Cooling Capacity Merlin LR Series Pounds Kilograms Heat Removal Watts Watts Heat Removal M 25 M 33 M 75 M 150 15 C
6. 00 01 20 00 DE 00 01 20 00 0 bytes of ne byte values are in hex If the temperature is 12 C the chiller would reply The qualifier byte of 01 indicates a precision of 0 decimal point and units of C The temperature of 12 C is 12 decimal FFF4 hex command byte CA 00 01 20 03 01 FF Fa E7 The checksum is the bitwise inversion of 18 7 I 100 01 20 03 01 FF F4 218 3 bytes to follow Take the LSB 18 Bitwise inversion E7 Thermo Scientific Merlin LR Series 49 Appendix B The master sets parameters in the chiller by sending one of the Set Functions as shown in Table 1 The master does not send a qualifier byte in the data field The master should be preprogrammed to send the correct precision and units it could also read the parameter of interest first to decode the correct precision and units needed For example if the master wants to set the setpoint to 30 C it would send The checksum is the bitwise inversion of 11 command byte TT 00 01 F0 02 00 1E 111 CA 00 01 FO 02 00 1E EE Take the LSB 11 2 bytes to follow The temperature of 30 C is 30 decimal 001E hex The chiller responds The qualifier byte of 01 indicates a precision of 0 decimal point and units of C The temperature of 30 C is 30 decimal 001E hex command byte 2 CA 00 01 FO 03 01 00 1E EC The checksum is the bitwise inversion of 13 00 01 F0 03 01 00 1E Take the LSB 13 3 bytes to follow Table 1 Commands All byte
7. 18 1 8 18 1 8 20 3 4 25 Dimension F 3 3 3 3 Dimension G 16 1 4 16 1 4 18 7 8 23 Dimension H 1 3 8 1 3 8 1 3 8 1 3 8 Dimension 2 7 8 2 7 8 3 5 8 4 3 4 Dimension J 5 5 I 7 1 2 Dimension K 7 1 8 7 1 8 7 1 8 7 1 8 Dimension L 1 3 4 1 3 4 1 3 4 1 3 4 Crate Dimensions 36 x 1812 x 26 36 x 18 2 x 26 39 x 22 x 29 42 x 27 x 35 H x W xD Dimension A ts the height of the chiller Chillers with CP 55 pumps are 6 higher The chiller width and depth dimensions B and C are the case dimensions add approximately 1 2 inch to include the plumbing connections Dimension D is the distance from the floor to the bottom of the chiller case height of the casters Dimension E is the distance from the floor to the center of the outlet connection Dimension F ts the distance between the center of the outlet and inlet connections Dimension G is the distance from the floor to the center of the pressure relief valve chillers with PD pumps Dimension H ts the distance from the chiller s side to the center of the outlet inlet connections and the pressure relief valve 2 from the chiller s side to the center of the outlet inlet connections for M 150 chillers with CP 55 pumps Dimension I is the distance from the chiller s side to the center of the drain connection 5 1 4 for M 150 chillers with CP 55 pumps Dimension J is the distance from the floor to the center of the drain connection 7 1 2 for M 150 chillers with CP 55 pumps Dim
8. A NOTE It will be necessary to use a wet vac or siphon to completely drain the reservoir Use care so as not to damage the reservoir float switch A See page 12 Filling Requirements for instructions on cooling fluid replacement Condenser For proper operation the chiller needs to pull substantial amounts of air through a condenser A build up of dust or debris on the fins of the condenser leads to a loss of cooling capacity Optional air filters are available contact our Service Department See Preface After Sale Suppott The lower front of the chiller has a one piece grille assembly Using your hands gently pry the assembly off Use care not to scratch the paint Periodic vacuuming of the condenser fins is necessary The cleaning frequency depends on the operating environment After initial Merlin LR Series 27 Chapter 4 A Power Cable Mating Ends Leaks Phase Rotation Interlock A 28 Merlin LR Series installation we recommend a monthly visual inspection of the condenser After several months the cleaning frequency will be established Use care cleaning the condenser fins they can be easily bent A Every five years inspect the power cable mating ends for signs of corrosion and damage Clean or replace as required A very small leak between the pump and motor is normal If this is a new pump allow it to run for 24 hours and reinspect A continuous leak requires pump replacement Three phase
9. Die Digitalanzeige zeigt kurz den neu eingestellten Sollwert schnell blinkend um dann wieder die Temperatur der Kuhlflussigkeit anzuzeigen Wartung berpr fen Sie regelm ig die K hlfl ssigkeit im Reservoir Sollte eine Reinigung notwendig sein sp len Sie das Reservoir mit einer speziellen Reinigungs fl ssigkeit die f r das Leitungssystem und die K hlfl ssigkeit geeignet ist Das K hlmittel sollten Sie in regelm igen Abst nden erneuern Wenn Sie das Ger t bei niedrigen Temperaturen betreiben erh ht sich mit der Zeit der Wasseranteil in der K hlfl ssigkeit Dies f hrt zum Verlust von K hlkapazit t Vor dem Austausch der K hlfl ssigkeit erh hen Sie bitte die Betriebstemperatur des Ger tes so weit das die K hlspulen eisfrei sind Regelm iges Absaugen des K hlk rpers ist erforderlich Die Reinigungsh ufigkeit h ngt von der Betriebsumgebung ab Eine monatliche berpr fung des Kondensators ist empfehlenswert So werden Sie nach einigen Monaten einen Reinigungsrhythmus gefunden haben Ger te mit PD T1 Pumpen sind mit einem Pumpenfilter ausgestattet Der Filter verhindert da kleine Teilchen und Schmutzablagerungen in die Pumpe gelangen und so die Pumpenfl gel besch digen Ein verstopfter Filter f hrt zu einem erh hten Druckverlust Nach der ersten Installation kann es zu einer Verunreinigung des Filters kommen Die erste Reinigung sollte daher nach einer Woche erfolgen Danach empfehl
10. Listed and Certified to Canadian Standards A Amperage based on extreme operating conditions Operating in a 20 C ambient and at nominal voltage results in a lower amperage draw Refer to the name plate label on the rear of the chiller for specific electrical requirements NOTE Three phase chillers are not supplied with a line cord Instructions for wiring three phase chillers are located behind the power box cover To access the power box remove the chiller s top and left side panel Remove the screws securing the cover A Thermo Scientific Thermo Scientific 50 Hertz chillers Chiller M 25 M 33 M75 M 150 Pump PD 1 PD 1 PD 2 PD 1 PD 2 PD 2 PD 2 CP 55 Voltage 230 230 230 230 230 230 400 3 5W 400 3 5W Current Value 5 1 6 3 7 6 8 8 10 1 15 6 1 17 5 5 Chapter 2 Line Cord Plug Country Specific Country Specific Country Specific Country Specific Country Specific Country Specific Country Specific Country Specific Amperage based on extreme operating conditions Operating in a 20 C ambient and at nominal voltage results in a lower amperage draw Refer to the name plate label on the rear of the chiller for specific electrical requirements NOTE Three phase chillers are not supplied with a line cord Instructions for wiring three phase chillers are located behind the power box cover To access the power box remove the chiller s top and left side panel R
11. both the up and down arrow keys for approximately 10 seconds The display will show the temperature and the alarm if enabled will sound Then use the above procedure A The pin out information is Pin RS 232 COMM Pin RS 232 COMM 1 No connection 1 7 No connection 2 TX 8 T 3 RX 9 T 4 No connection 5 GND Signal ground 6 9 No connection TX Transmitted data from controller RX Received data to controller Hardware Mating Connector AMP Part 745492 2 or equivalent Merlin LR Series 21 Chapter 3 Remote Start Stop Remote Start Input Absolute Maximum Input Voltages 22 Merlin LR Series 24V 54321 00000 O 0000 0 9876 A male 9 pin D connector is located on the rear of the chiller The connector is used for either 12 24VAC or 12 24VDC remote start stop and as a status relay dry contact To start the chiller from a remote location apply the correct voltage to pins 6 amp 8 When the chiller is started by a remote start stop voltage W on the controller flashes Once started remotely stop the chiller by removing the applied voltage from pins 6 amp 8 or by pressing on the local controller To restart remotely after stopping locally remove and reapply the remote start voltage to J101 NOTE Enabling serial communications disables the remote start stop feature A Should the chiller experience a high low temperature warning fault a reservoir level warning fault or a low pump flow warning fa
12. chillers have a rotation interlock which prevents it from starting if the phase rotation is wrong If the chiller will not start see Chaper 5 Troubleshooting If the options in the checklist are not applicable the problem may be phase rotation The interlock is located in the power box Remove the chiller s top and left side panel to access it The interlock has a green light which illuminates when the phase is correct If the phase is incorrect disconnect the chiller from its power source Reverse any two line conductors on the line side of the main circuit breaker Never remove the green ground wire A Reconnect the chiller to its power soutce If it will not start contact our Service Department Thermo Scientific PD Pressure Relief Thermo Scientific Valve Chapter 4 PSI KPa Chillers with PD pumps have a Pressure Relief Valve Refer to the name plate label on the rear of the chiller and the BOM decoder on page 31 to identify the type of pump The valve is used to adjust the chiller s fluid pressure NOTE The valve is factory preset for the most common applications and normally requires no further adjustment The valve is factory preset not to exceed 80 T 5 psi 550 T 1 kPa A NOTE PD pumps are capable of 110 psi maximum output pressure Ensure your plumbing is rated to withstand 110 psi at the highest operating temperatures A System back pressure is installation and application dependent Due to internal
13. controllo frontale presente un X LED che indica lo stato di funzionamento del sistema di refrigerazione Nel caso in cut il LED sia illuminato il sistema sta rimuovendo il calore dal fluido refrigerante Quando la temperatura controllata raggiunge il set point impostato il LED continuera a lampeggiare Merlin LR Series xvii Preface xvili Merlin LR Series Impostazione della temperatura Per visualizzare il set point della temperatura premere sul controller il tasto impostazione della temperatura Un segnale luminoso indichera la funzione di settaggio ed il display ad intervalli regolari visualizzer il set point che potr essere modificato premendo Una volta effettuata la variazione premere il tasto di conferma per memorizzare la nuova impostazione che verra brevemente visualizzata sul display Manutenzione periodica Ispezionare periodicamente la tanica di riserva del fluido Se fosse necessaria una pulizia utilizzare un fluido compatibile con il sistema idraulico di circolazione ed il fluido refrigerante Il fluido refrigerante dovrebbe essere periodicamente sostituito in base alle condizioni ambientali ed al tempo di utilizzo Prima di cambiare il fluido refrigerante assicurarsi che esso sia ad una temperatura di sicurezza Periodicamente soffiare il condensatore se necessario Anche in questo caso la frequenza dell operazione dipende esclusivamente dalle condizioni ambientali Si con
14. have been filtered out in the process are also preventative in keeping the system clean of contaminants 50 50 Uninhibited Ethylene Glycol Water 15 C to 35 C Ethylene glycol is used to depress the freezing point of water as a coolant We recommend not using the uninhibited no corrosion additives ethylene glycol It is more corrosive to copper than plain water so it is not recommended unless required for the application 50 50 Inhibited Ethylene Glycol Water 15 C to 35 C Inhibited glycol can be used to increase the operating temperature range of the fluid but should not be used as a pre mixed anticorrosive solution Industry standards use a pH standard of 8 to determine when the fluid has become corrosive Dowtherm is an ethylene based product that contains dipotassium phosphates in a 4 concentration The recommended use of Dowtherm is mixing with distilled or deionized water or water that contains less than 25 ppm chloride and sulfate and less than 100 ppm total hardness of CACO3 The general term inhibited glycol water is too close to meaning inhibited water Inhibited water can have many types of additives including chromate that will quickly foul the cooling system Some inhibitor additives can release the bonding agent in the carbon graphite in the PD2 pumps so they are incompatible such as Sodium Hydroxide Thermo Scientific Merlin LR Series 43 Appendix A 44 Merlin LR Series 50 50 Uninhi
15. lev ske Sett p str mmen ved sl p bryter p baksiden av kj leren For starte kj leren trykk For sl av kj leren trykk igjen LED lyset indikerer status p kj leren Den lyser n r kj leren fjerner varme fra vannet N r temperaturen n rmer seg settpunktet begynner LED lyset blinke Temperatur settpunkt justering For programmere kontrolleren trykk p kontrolleren Indikatorlampen vil n lyse og nummerdisplayet blinke den satte sett temperatur For forandre verdien trykk piltast opp eller ned til nsket verdi blinker i displayet Trykk igjen for bekrefte den nye verdien Displayet vil n blinke den nye verdien en liten stund og deretter g tilbake til den avleste temperaturen Periodisk vedlikehold Kontroller v skeniv et i reservoaret periodisk Rengj r reservoaret ved behov Spyl reservoaret med rengj ringsmiddel som er kompatibelt med systemet og v ske som skal brukes som kj lev ske Kj lev sken i systemet b r skiftes med periodiske mellomrom Frekvensen p skifte beror p bruken av systemet F r kj lev sken skiftes m kj lev ske temperaturen v re p ett sikkert niv Periodisk rengj ring av kondensatoren er strengt n dvendig Anbefalt frekvens kontroller kondensatoren en gang pr mnd etter installasjon Deretter rengj res kondensatoren jevnlig med samme intervall Kjole re med PD T1 pumper er utstyrt med sil Dersom det er partikler 1
16. local controller press and hold both arrow keys for 10 seconds the controller will power Turn serial communications off using the procedure on page 16 and then press to turn off the controller Press chiller again to start the Merlin LR Series 37 Chapter5 38 Merlin LR Series 2 Chiller will not circulate fluid a Check the reservoir level Fill if necessary b Check the position of the reservoir tank valves See Reservoir Tank Isolation Valves Open Tank Circulation Chapter 2 c Check the instrument being cooled for restrictions in the cooling line d Check the pump strainer see page 30 e The pump motor may be too hot Allow it to cool f Check the pressure gauge adjust the relief valve as necessary chillers with PD pumps g On chillers with PD pumps check the pump and coupling Make sure the power is off and remove the top and right side panels Locate the brass pump and grey motor A silver clamp ring holds the two together Remove the clamp and separate the pump and motor First look to see if the coupling is broken or not and then check the pump shaft by rotating If it is seized or sticks then it has failed h On chillers with MD pumps never completely restrict flow to your application Dead heading the pump will damage its coupling and require pump replacement 3 Inadequate temperature control a Verify the setpoint b Ifthe temperature continues to tise make sure your applica
17. of your application not at the chiller All chillers have a ball valve reservoir drain located on the rear Add the desired length of tubing to the drain valve To help prevent any spillage from your application consider installing external isolation valves on the supply and return lines Thermo Scientific Approved Fluids Thermo Scientific A gt D gt Chapter 2 Never use corrosive fluids with this chiller Do not use automotive antifreeze Commercial antifreeze contains silicates that can damage the pump seals Use of automotive antifreeze voids the manufacturer s wartanty A Approved fluids and their normal operating temperature ranges are Filtered Single Distilled water 10 C to 35 C 50 50 Uninhibited Ethylene Glycol Water 15 C to 35 C 50 50 Inhibited Ethylene Glycol Water 15 C to 35 C 50 50 Uninhibited Propylene Glycol Water 15 C to 35 C 50 50 Inhibited Propylene Glycol Water 15 C to 35 C Deionized water 1 3 MOhmcm compensated 10 C to 35 C For applications requiring resistivity greater than 1 MS2 cm please call and speak to an applications engineer for additional information Ethylene glycol EG is hygroscopic it absorbs water from its environment This can affect the freezing point and boiling point of the fluid over time This may result in system failure A When using EG water or PG water top off with EG water or PG water Do not top off with plain wat
18. the appropriate indicator flashes until the fluid is within the limit A To display change the setpoint press until dd illuminates The display flashs the current setpoint value Use the arrow keys to change the value NOTE If the arrow keys are not pressed within 10 seconds the display returns to the current reservoir temperature The controller will not allow you to enter a setpoint closer than 2 C of either temperature alarm setting discussed on the next page Trying to use a setpoint within 2 C causes the appropriate indicator to flash and sounds the audible alarm twice A Merlin LR Series 15 Chapter 2 16 Temp Alarms Remote Serial Merlin LR Series Comm Once the desired setpoint is displayed press again to confirm the change The display rapidly flashes the new value for a short period and then returns to the recirculating fluid temperature NOTE If the value is not confirmed within 60 seconds the display returns to the recirculating fluid temperature and ignores any changes A To display change the temperature alarm setting press until either k Of iluminates The display flashes the current limit value Use the arrow keys to change the value The low end range is 15 C to 30 C The high end range is 10 C to 40 C NOTE If the arrow keys are not pressed within 10 seconds the display returns to the current reservoir temperature You cannot set either alarm closer than 2 C of the setpoint A
19. 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 chiller Seller to pay the cost of shipping Customer must receive a Return Material Authorization RMA from Thermo Fisher prior to shipping the chiller Merlin LR Series V Preface Safety Wa rings 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 chiller 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 chiller 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 chiller If you have any questions concerning the operation of your chiller or the information in this manual please contact our Sales Department see After sale Support Never place the chiller in a location where excessive heat moisture or corrosive materials are present A The chiller constru
20. E If the cause of the alarm is cleared but then reoccuts the alarm sounds again Use this key to increase displayed numerical values Use this key to decrease displayed numerical values Indicates refrigeration system status It illuminates to indicate the refrigeration system is removing heat from the cooling fluid As the operating temperature approaches the temperature setpoint the LED flashes The indicator is off when heat is not being removed Merlin LR Series 13 Chapter 2 14 Merlin LR Series NOTE The following indications are not visible until 9 is depressed A 12 the controller is displaying the setpoint Adjust the display value using the arrow keys NOTE You cannot adjust the setpoint closer than 2 C to either of the temperature limits discussed below 4 Indicates the controller is displaying the low temperature alarm setting The indicator flashes and the alarm sounds if this limit is exceeded Adjust the display value using the arrow keys Indicates the controller is displaying the high temperature alarm setting The indicator flashes and the alarm sounds if this limit is exceeded Adjust the display value using the arrow keys eg Optional Indicates the chiller is in the remote serial communication mode of operation The indicator flashes if the chiller is in the remote start stop mode of operation Toggle between the local and remote modes using the arrow keys NOTE For all four indicators i
21. HOLD x V LL A 7 A Ciuc lt gt or JW Indicates Optional I disp teni lt gt nn ce 3 y A Accept All Changes Thermo Scientific Merlin LR Series 19 Chapter 2 20 Merlin LR Series Thermo Scientific Communication Thermo Scientific Connector Chapter 3 Options 04321 o Y o 9876 A female 9 pin D connector is located on the rear of the chiller The connector is used for RS 232 serial communication see Appendix B When the chiller is configured for serial communication the EY LED on the controller is illuminated If the chiller is shut off while still configured for serial communication the temperature display goes blank but the EY LED remains illuminated When the chiller is configured for serial communication it can be stopped using the local controller To restart send another start command If the chiller zs running and serial communications is enabled LED on and you need to operate the chiller using the keypad the procedure is to press and hold for approximately two seconds until the low temperature alarm icon illuminates Press 9 to scroll to the UY LED press the down arrow and then press again to turn communications off The EY LED will extinguish and the chiller can now be operated from the keypad NOTE If serial communications is enabled and the chiller zs not running ensure the circuit protector is on and then simultaneously depress and hold
22. Merlin back pressure the minimum pressure setting for a deadheaded pump is 28 psi for a PD 2 pump and 10 psi for a PD 1 these settings prohibit external flow from the Merlin Before adjusting the valve turn the chiller off Locate the circular relief valve opening on the rear of the chiller Turn the threaded stem fully clockwise If the chiller is not plumbed to an application install a loop of hose equipped with a shut off valve between the supply and return fittings Turn the chiller on Ensure that there is back pressure on the system Use the pressure gauge to read the relief valve setting Back out the threaded stem on the relief valve counterclockwise Continue until the gauge indicates 80 psi 550 kPa or the desired setting NOTE The relief valve may drip if the threaded stem is backed out too far A NOTE Should the chiller start to vibrate the valve setting may be the cause Changing the pressure setting 5 psi will eliminate the vibration A Merlin LR Series 29 Chapter 4 Pump Strainer Chillers with PD or TT pumps and chillers with CP 55 pumps that are equipped with reservoir level low pump flow switches have a strainer Refer to the name plate label on the rear of the chiller and the BOM decoder on page 31 to identify the type of pump and configuration If debris is in the system the strainer prevents the material from being drawn into the flow switch and the pump damaging the pump vanes A clogged
23. ORIZE ANYONE TO ASSUME FOR IT ANY OTHER OBLIGATION Thermo Fisher Scientific ASSUMES NO RESPONSIBILITY FOR INCIDENTAL CONSEQUENTIAL OR OTHER DAMAGES INCLUDING BUT NOT LIMITED TO LOSS OR DAMAGE TO PROPERTY LOSS OF PROFITS OR REVENUE LOSS OF THE CHILLER LOSS OF TIME OR INCONVENIENCE This warranty applies to chillers sold by Thermo Fisher Scientific Refer to the warranty for chillers sold by the affiliated marketing company of Thermo Fisher Scientific for any additional terms This warranty and all matters arising pursuant to it shall be governed by the law of the State of New Hampshire United States All legal actions brought in relation hereto shall be filed in the appropriate state or federal courts in New Hampshire unless waived by Thermo Fisher Scientific Thermo Fisher Scientific 81 Wyman Street PO Box 9046 Waltham Massachusetts 02454 9046 United States www thermofisher com
24. T pumps Remove the screen NOTE Some chillers with inch fittings also have a brass end cap see illustration A Clean the screen by rinsing it with water When the screen is clean replace it and the cap Tighten the fitting and replace the panel Refer to Chapter 2 for instructions on replacing the cooling fluid NOTE An external strainer accessory kit is available to make routine strainer preventative maintenance easier A Storage If the chiller is to be transported and or stored in cold temperatures it needs to be drained and then flushed with a 50 50 glycol water mixture A BOM Decoder The Bill of Material BOM number helps identify the configuration of your chiller The number is printed on the label located on the rear of the chiller Digitt 1 2 3 4 5 6 7 8 9 10 11 12 v LT Temp Range Pump Reserved 1 Standard 02 CP55 000 2 Low Temp v 03 PD1 v Chiller identifier Voltage 04 PD2 Options 262 M25 12 115 60 15 MD30 o None 263 M33 16 230 60 99 T1 2 RS232 amp Rmt Start 264 M75 25 230 50 4 LL LF RS232 amp Rmt Start 266 M150 26 400 50 5 wire Thermo Scientific Merlin LR Series 31 Chapter 4 Tem peratu re Internal Sensor Sens or If the temperature fluid temperature display disagrees with your reference i _ thermometer the internal temperature sensor rtd1 may need calibration Calibration Do not pick calibration points that are outside the safe operating limits of the fluid i
25. Thermo Scientific Merlin LR Recirculating Chiller Thermo Scientific Manual P N U01230 Rev 07 22 2015 CE Multilingual Quick Starts Installation Operation Basic Service Visit our Web site at http www thermoscientific com tc Product Service Information Applications Notes MSDS Forms e mail Voice Info 800 258 0830 Thermo Part of Thermo Fisher Scientific SCIENTIFIC Thermo Scientific Merlin LR Recirculating Chiller Thermo Scientific Manual P N U01230 Rev 07 22 2015 CE Multilingual Quick Starts Installation Operation Basic Service Visit our Web site at http www thermoscientific com tc Product Service Information Applications Notes MSDS Forms e mail Voice Info 800 258 0830 Thermo Fisher Scientific 25 Nimble Hill Road Newington NH 03801 Tel 800 258 0830 or 603 436 9444 Fax 603 436 8411 www thermoscientific com tc Statement of Copyright Copyright 2015 Thermo Fisher Scientific All rights reserved This manual is copyrighted by Thermo Fisher Scientific Sales Service and Customer Support 25 Nimble Hill Road Newington NH 03801 Tel 800 258 0830 Sales 8 00 am to 5 00 pm Service and Support 8 00 am to 6 00 pm Monday through Friday Eastern Time Fax 603 436 8411 service tc us thermofisher com Dieselstrasse 4 D 76227 Karlsruhe Germany Tel 49 0 721 4094 444 Fax 49 0 721 4094 300 info tc de thermofisher com Build
26. X Merlin LR Series Temperature Adjustment To display the temperature set point press on the controller The f indicator illuminates and the display flashes the current set point value To adjust the temperature set point press the arrow keys until the desired temperature set point is indicated Press again to confirm the change The display rapidly flashes the new value for a short time and then returns to the recirculating fluid temperature Periodic Maintenance Periodically inspect the reservoir fluid If cleaning is necessary flush the reservoir with a cleaning fluid compatible with the circulating system and the cooling fluid Replace the cooling fluid periodically Frequency depends on the operating environment and amount of usage Before changing the cooling fluid ensure it is at a safe temperature Periodic vacuuming of the condenser fins is necessary The frequency of cleaning depends on the operating environment We recommend a monthly visual inspection of the condenser after initial installation After several months the cleaning frequency will be established Chillers with PD or T1 pumps have a strainer If debris is in the system the strainer prevents the material from being drawn into the pump and damaging the pump vanes A clogged strainer also causes increased pump discharge pressure After initial installation the strainer may become clogged Clean the strainer after the first week of installation Aft
27. alltid kjoleren s det er god plass rundt D rlig luftejennomstromning vil kunne forarsake d rlig kjolekapasitet og 1 verste fall kan det for rsake skader p kompressoren Kjoleren bor ikke plasseres 1 ekstremt skitne rom og periodevis rengjoring m utf res Lag gjerne et skjema og heng det n r kj leren For at kj leren skal virke ordentlig trenger den stor luftgjennomstr mning i kondensator Nar kondensatoren tettes med st v eller det blir varmere enn 25 C i rommet vil dette f re til tap av kj lekapasitet Kj leren har full kj lekapasitet opp til 25 C 77 F rom temperatur V r sikker p at str m spenning m ter de spesifiserte verdier 10 R rtilkoblinger er plassert bak p kj leren og er p satt propper for beskyttelse St rrelsen p ror tilkoblinger er Y2 inch FPT gjenger inch FPT gjenger for kj le re med CP 55 pumpe Ta bort plastikkpropper fra begge ku plingene og tilkoble deretter r rene Ut fra kj ler til inntak p applikasjonen Inn p kj ler fra uttak p applikasjonen For fylle systemet pne deksel for reservoar og skrukork p reservoaret Fyll opp med fen kj lev ske vann For anbefalt kj lev ske se side 11 Thermo Scientific Merlin LR Series xxiii Preface xxiv Merlin LR Series Operasjon For start av kjoleren dobbelsjekk at alle elektriske og rortilkoblinger er korrekt tilkoblet Kontroll r at vannsystemet er fylt opp med anbefalt kj
28. and depending on the chiller s configuration it continues to run or shut down The chiller is configured to run or shut down using the controller s Setup Tuning Loop on page 18 Refill the reservoir and if necessary restart the chiller NOTE The chiller will not start without any fluid in the reservoir regardless of how it is configured A Should the pump flow drop below 0 5 gpm 1 0 gpm for chillers with a CP 55 pump the mutable alarm sounds the status relay de energizes if the chiller is equipped with the communications package an error message is displayed and depending on the chiller s configuration it continues to run or shuts down Once the cause of the low flow is identified and corrected restart the chiller if necessary The chiller is configured to run or shut down using the controller s Setup Tuning Loop see page 18 External Filtration Package A partial flow liquid filter available in 5 10 25 and 40 micron filter sizes External DEI Package Partial flow DEI package will maintain between 1 and 3 MOcm water resistivity A cartridge indicator lets you know when the filter needs changing Condenser Air Filter An easy to install air filter protects the condenser in dusty environments External Strainer Accessory Kit An easy to install kit to make routine strainer preventative maintenance easier Thermo Scientific Error Codes Thermo Scientific Chapter 4 Maintenance This chapter covers the c
29. are lo strumento in modo da evitare l ostruzione di tali accessi Una ventilazione non appropriata comporter una riduzione della capacit refrigerante ed in casi estremi danni al compressore L apparecchiatura mantiene la massima capacit di raffreddamento con una temperatura ambiente fino a 25C circa E opportuno evitare la locazione dell unit in ambienti troppo polverosi e provvedere periodicamente ad una pulizia del condensatore Assicurarsi che la tensione di alimentazione rispetti quella specificata 10 Le connessioni idrauliche 1 2 pollici FPT o pollici FPT con pompe idrauliche del tipo CP 55 sono posizionate ed indicate nel retro dello strumento e per accedervi rimuovere l apposita protezione plastica Per accedere alla tanica di riserva del fluido rimuovere il pannello di accesso ed il relativo tappo protettivo quindi riempire il serbatoio con l adeguato fluido refrigerante possibile verificare il livello del fluido refrigerante attraverso il pannello frontale trasparente Per le caratteristiche del fluido riferirsi a pagina 11 Messa in servizio Assicurarsi che le connessioni elettriche ed il livello di riempimento del fluido refrigerante siano appropriati Attivare l interruttore differenziale locato sul retro dello strumento spostando la leva di attuazione nella posizione alta Per attivare lo strumento premere Per disattivare lo strumento premere Sul pannello di
30. ay indicate rie di for 2 second and then displays the internal temperature for five seconds The display then indicate rt dd for Va second and returns to the external temperature The key needs to be released and then pressed and held again to repeat the cycle To display the remote probe temperature deviation use the Setup Tuning Loop see page 18 A The controller continues to use the existing setpoint When using the external sensor the controller will not allow internal chiller temperatures outside 17 C to 37 C The selected sensor is retained by the controller if it is turned off or if power is removed If there is an external sensor error the chiller automatically returns to the internal sensor An error code flashes and if the fault mode is on the chiller shuts down See Error Codes on page 25 Press to restart the chiller The external probe can be used to control the high and low temperature monitors using the Setup Tuning Loop see page 18 NOTE If you also need to monitor status while using the external sensor an optional Y connector cable is available from Thermo Fisher A Merlin LR Series 23 Chapter 3 Reservoir Level Warning Fault Low Pump Flow Warning Fault Additional Accessories 24 Merlin LR Series Should the reservoir fluid level drop below normal the mutable alarm sounds the status relay de energizes if the chiller is equipped with the communications package an error message is displayed
31. bited Propylene Water 15 C to 35 C Although the use of propylene glycol is similar to ethylene glycol propylene glycol is considered safe to use in the food industry Propylene is less dense than ethylene and will have a tendency to weep through mechanical seals 50 50 Inhibited Propylene Water 15 C to 35 C Same issues as with uninhibited propylene and inhibited ethylene glycol Deionized water 1 3 MQcm compensated 5 C to 35 C Deionized water has had the conductive ions that cause galvanic corrosion between dissimilar metals removed Recommended Biocides and Inhibitors Thermo Fisher Scientific offers a biocide and inhibitor package NALCO premixed with 5 gallons of water or as a kit to be added to water No other biocide or inhibitor is recommended for use in Thermo Scientific recirculating chillers Biocides are corrosive and can cause itreversible eye damage and skin burns They are harmful if inhaled swallowed or absorbed through the skin Refer to the manufacturer s most current MSDS A Thermo Scientific Wetted Materials Thermo Scientific Appendix A PD PUMPS PD1 and PD2 Carbon Graphite Graphitar Type B Brass 303 Stainless Steel Ceramic 85 Aluminum Oxide and Balance is Considered Glass Fluorocarbon Viton equivalent Ultem relief Valve Material CP55 PUMP Stainless Steel Viton Evaporator AISI 316 Stainless Steel Copper Brazing Tank Body Polyethylene LLPDE Mobil
32. ction provides protection against the risk of electrical shock by grounding appropriate metal parts The protection will 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 A Never connect the process fluid inlet or outlet fittings to your building water supply or any water pressure source A On chillers with MD pumps never completely restrict flow to your application Dead heading the pump damages its coupling and requires pump replacement A Never use corrosive fluids Highly distilled and deionized water may be aggressive and cause material corrosion Please contact Thermo Fisher before subjecting this chiller to prolonged exposure to highly distilled or deionized water A Do not use automotive antifreeze Commercial antifreeze contains silicates that can damage the pump seals Use of automotive antifreeze voids the manufacturer s warranty A vi Merlin LR Series Thermo Scientific Thermo Scientific Preface In addition to the specific warnings listed on the previous page the following general warnings also apply to your chiller 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 A Transport the chiller with care Sudden jolts or drops can damage the its components A If the chiler
33. e Bitte entfernen Sie die Kunststoff Schutzkappen von den Anschl ssen Schlie en Sie den gt an den Eingang Ihres Instruments und den an den Ausgang Ihres Instruments an Um das Reservoir zu f llen ffnen Sie den Reservoir Schutzdeckel Entfernen Sie den Reservoir Verschluss und bef hlen Sie das Reservoir mit sauberer K hlfl ssigkeit Geeignete Fl igkeiten finden Sie auf Seite 11 Inbetriebnahme Vor Inbetriebnahme des Ger tes vergewissern Sie sich bitte nochmalig das die elektrischen Anschl sse und die Rohr u Schlauchanschl sse sachgem installiert sind und das gesamte System mit K hlfl ssigkeit gef llt ist Um das Ger t einzuschalten m ssen Sie erst den Hauptschalter an der R ckseite des Ger tes auf Ein stellen und dann dr cken Zum Abschalten des Ger tes erneut dr cken Merlin LR Series XI Preface XII Merlin LR Series Die LED Anzeige an der Anzeigetafel leuchtet auf so lange das Kuhlsystem der Kuhlflussigkeit Warme entzieht Ist die gew nschte Temperatur erreicht setpoint blinkt die LED Anzeige Einstellung der Temperatur Um den Temperatursollwert anzuzeigen drucken Sie die Taste des Controllers Die LED leuchtet und die Anzeige blinkt mit dem eingestellten Sollwert Um den Temperatursollwert zu ndern drucken Sie Pfeiltasten bis deren gewunschte Sollwert in der Digitalanzeige angezeigt wird Drucken Sie die Taste erneut um den Wert zu bestatigen
34. e NRP 135 Hose Assemblies Plumbing Buna N Parker Push Lok O ring Nitrile based synthetic rubber Parker Push Lok hoses Brass Copper Ball Valve Viton Chrome plated brass body and ball PIPE Sealants 95 5 solder Bcup 5 brazing Anaerobic Mythacrylate Ester Low Level Low Flow Switches Optional Polysulphone Low Level Brass Low Flow Tank Fittings Brass Strainer Bronze 304 Stainless Steel Mesh Tank Cap Nylon Merlin LR Series 45 Appendix A 46 Merlin LR Series Thermo Scientific Thermo Scientific Appendix B RS 232 NC Serial Communications Protocol NOTE This appendix assumes you have a basic understanding of communications protocols A All data is sent and received in binary form do not use ASCII In the following pages the binary data is represented in hexadecimal hex format The NC Serial Communications Protocol is based on a master slave model The master is a host computer while the slave is the chiller s controller Only the master can initiate a communications transaction half duplex The slave ends the transaction by responding to the master s query The protocol uses an RS 232 serial interface with the default parameters 9600 baud 8 data bits 1 stop bit no parity and no handshaking NOTE Before the chiller will communicate RS 232 must be turned on using the controller Ensure the HEY indicator is illuminated A The chiller can be controlled through your compute
35. e chillers are factory shipped with the valves open Ensure the valves are open when circulating to a closed system When operating at low temperatures and circulating to a closed system should condensation appear on the reservoir closing the upper valve after initial start up helps eliminate it Leave the valve open for initial start up so process fluid flow through the reservoir can rapidly bleed air from the system To close the upper valve open the reservoir access panel and turn the valve 90 System temperature changes with the isolation valves closed and while circulating to a closed system can create a vacuum and or high pressure conditions A If your application requires the process fluid to flow to an open tank located above the chiller before starting close the valves to prevent fluid siphoning and reservoir overflow To close the upper valve open the reservoir access panel to close the lower valve you must remove the side access panel Turn the valves 90 Thermo Scientific Thermo Scientific Controller Chapter 2 The controller controls temperature using a Proportional Integral Derivative PID algorithm It is designed with self diagnostic features and easy to use operator interface Use this key to toggle the chiller on or off Use this key to scroll through the controller s LEDs It is also used to accept and save changes If the alarm sounds use this key to toggle the alarm off and on NOT
36. econtamination is required A Transporting and or storing the chiller in near or below freezing temperatures requires draining see Draining in this Section Store the chiller in the temperature range of 25 C to 60 C with packaging and lt 80 relative humidity A If the chiller is stored for more than 90 days it must be flushed with clean fluid before operating A 36 Merlin LR Series Thermo Scientific Thermo Scientific Chapter5 Troubleshooting This chapter covers the basic troubleshooting procedures Check ist 1 Chiller will not start or shuts down Check the line cord ensure it is plugged in Check the position of the circuit protector on the rear of the chiller Check the controller for error codes see page 25 NOTE On chillers with a Low Flow Switch and that are configured to shut down with a low flow fault LoFL several starting attempts may be necessary A d On chillers with a Reservoir Level Switch check the reservoir level On chillers with optional serial communications or remote start stop ensure the desired mode is enabled Make sure power source voltage is within the chiller rated voltage 410 400 Volt 50 Hertz chillers are equipped with a phase monitor Ensure proper phase to the chiller See Phase Rotation Interlock on page 28 If YY is lit the chiller was shut off using serial communications Start the chiller using serial communications To start the chiller using the
37. ee 36 Chapter 5 Troubleshooting CR 37 CAIO EE E E 39 Appendix A Water Quality Standards and Recommendations erre 41 Appendix B NC Serial Communications Protocol ses 47 Warranty i Merlin Series Thermo Scientific Thermo Scientific Compliance WEEE RoHS Preface For information refer to the Declaration of Conformity in the back of this manual This product is required to comply with the European Union s Waste Electrical amp Electronic Equipment WEEE Directive 2002 96 EC 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 www thermofisher com WEEERoHS Merlin Series Preface After sale Support Feedback Warranty IV NESLAB Merlin Series 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 chiller fails to operate properly or if you have questions concerning spare parts or Service Contracts contact our Service Department Before calling please obtain the following information
38. eme cases compressor failure u Excessively dusty areas should be avoided and a periodic cleaning schedule should be instituted see Chapter 4 Maintenance Optional air filters are available contact our Service Department See Preface After Sale Suppott Merlin LR Series 7 Chapter 2 8 Electrical The chiller construction provides protection against the risk of Requirements Merlin LR Series A electrical shock by grounding appropriate metal parts The protection will 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 A The user is responsible to ensure that the power cord provided meets local electrical codes If not contact qualified installation personnel The chiller is intended for use on a dedicated outlet The Merlin has an internal circuit protection that is equivalent approx to the branch circuit rating This is to protect the Merlin and is not intended as a substitute for branch circuit protection 60 Hertz chillers available power options Chiller Pump Voltage Current Value Line Cord Plug M 25 MD 30 115 8 1 5 15P PD 1 115 9 8 5 15P M 33 MD 30 115 11 5 5 15P PD 1 115 13 2 5 20P PD 2 115 155 5 20P PD 1 208 230 6 5 6 15P PD 2 208 230 7 8 6 15P M 75 PD 1 208 230 8 8 6 15P PD 2 208 230 10 1 6 15P M 150 PD 2 208 230 15 4 L6 30P CP 55 208 230 18 4 L6 30P NOTE All 60 Hertz chillers are UL
39. emove the screws securing the cover A Merlin LR Series 9 Chapter 2 10 Plumbing Requirements Plumbing Connections Merlin LR Series The plumbing connections are located on the rear of the chiller and are labeled gt supply and return The connections are 2 inch Female Pipe Thread For chillers with CP 55pumps the connections are Y inch Female Pipe Thread Chillers with 1 2 inch fittings are supplied with s inch and V inch barbed adapters chillers with inch fittings are supplied with Y inch and inch barbed adapters Remove the plastic protective plugs from both plumbing connections Install the barbed adapters to these connections Connect gt to the hose feeding the inlet of your application Connect to the hose from the outlet of your application Clamp all connections eservoir Access Panel Drain Never connect the fittings to your building water supply or any water pressure source A NOTE On chillers equipped with PD pumps ensure your plumbing is rated to withstand 110 psi at the highest operating temperature A On chillers with MD pumps never completely restrict flow to your application Dead heading the pump damages its coupling and requires pump replacement A It is important to keep the distance between the chiller and the instrument being cooled as short as possible Tubing should be straight and without bends If diameter reductions must be made do them at the inlet and outlet
40. en wir eine monatliche berpr fung des Filters So k nnen Sie nach einiger Zeit absch tzen wie oft der Filter gereinigt werden ma Bevor Sie den Filter reinigen ziehen Sie den Netzstecker und entleeren Sie das Ger t Thermo Scientific Procedures De Mise Thermo Scientific En Route Preface 1 INSTALLATION Il s agit d un groupe dont le condenseur est refroidi par air Lair est aspire lavant et rejet sur les c t s et l arri re Il faut donc que chaque c t soit suffisamment a r Une mauvaise ventilation affecte la capacit de refroidissement du groupe et peut entrainer des dommages au compresseut Un endroit tr s poussi reux est donc proscrire et un nettoyage p riodique des entr es d air fortement recommand La capacit du groupe reste maximale pour une temp rature ambiante n exc dant pas 25 C S assurer que la tension d alimentation soit celle sp cifi e 10 Volts Les connexions sont situ es a l arri re de l appareil diam tre 0 5 pouce FPT sauf pour les versions avec pompe CP 55 dont le diam tre est alors de 3 4 pouce Oter les protections en plastique et connecter le d part et le retour votre application Pour remplir le r servoir ter le panneau et s assurer de la propret et de la bonne compatibilit du fluide utilis 2 MISE EN ROUTE Avant de mettre en route v rifier le branchement lectrique les connexions ent
41. ension K ts the distance from the top of the chiller to the center of the power connection 10 Dimension L is the distance from the chiller s side to the center of the power connection NA for M 150 chillers rated 400V 50Hz 11 Crate dimensions for chillers with CP 55 pumps are 6 inches higher All packages tested to ISTA 2B Thermo Scientific Merlin LR Series 5 Chapter 1 6 Merlin LR Series Thermo Scientific Site Direction of Airflow Thermo Scientific Chapter 2 Installation and Operation Ambient Temperature Range 10 C to 35 C 50 F to 94 F Relative Humidity Range 10 to 80 non condensing Operating Altitude Sea Level to6000 feet 1830 meters Overvoltage Category I Pollution Degree 2 The chiller retains its full rated capacity in ambient temperatures up to approxi mately 25 C 77 F Reduce the cooling capacity 1 for every 0 5 C 1 F above 25 C 77 F up to a maximum ambient temperature of 35 C 94 F Never place the chiller in a location where excessive heat moisture or corrosive materials are present A The chiller has an air cooled refrigeration system Air is drawn through the front of the chiller and discharged through rear and side panels The chiller must be positioned so the intake and discharge are not impeded A minimum clearance of 3 feet 1 meter on all vented sides is necessary for adequate ventilation Inadequate ventilation will cause a reduction in cooling capacity and in extr
42. er Thermo Fisher Scientific Address 25 Nimble Hill Road C Newington NH 03801 USA Products Merlin Recirculating Chillers Year of inception 2013 We declare that the following products conform to the Directives and Standards listed below Unit has a 12 digit part number consisting of UUU T VV PP XXXX defined as follows UUU Unit type can be 262 M25 263 M33 264 M75 265 M100 266 M150 T Temperature Range can be 1 3 inclusive where 1 Std temp 2 Low Temp 3 High Temp V Unit voltage rating 12 115 60 100 50 16 200 230 60 200 50 25 230 50 26 400 50 5 Wire P Pump type 02 CP 55 03 PD 1 04 PD 2 15 MD 30 T1 99 X Any digit 0 9 inclusive used as sequential numbering only Equipment Class Measurement control and laboratory Directives and Standards 2004 108 EC Electromagnetic Compatibility EMCD EN 61326 1 2006 Electrical equipment for measurement control and laboratory use EMC requirements EMC Class A 2006 95 EC Low Voltage Directive LVD EN IEC 61010 1 2010 Safety Requirements For Electrical Equipment For Measurement Control And Laboratory Use General Requirements EN 61010 1 2001 Safety Requirements For Electrical Equipment For Measurement Control And Laboratory Use General Requirements EN 61010 2 010 2003 Safety Requirements For Electrical Equipment For Measurement Control And Laboratory Use Part 2 010 Par
43. er Topping off with plain water can severely affect the freezing point and boiling point of the fluid This may result in system failure A Do not use a Deionization DI filter with Inhibited EG or Inhibited PG A DI filter removes inhibitors from the solution rendering the fluid ineffective against corrosion protection Also inhibitors increase fluid conductivity A When using the Merlin LR chiller to circulate through aluminum use a compatible corrosion inhibitor to prevent galvanic corrosion Fluid viscosity should be 50 cSt or less at the lowest temperature used Refer to Appendix A for additional information Merlin LR Series 11 Chapter 2 Filling Requirements Reservoir Tank Isolation Valves Open Tank Circulation 12 Merlin LR Series The polyethylene reservoir is translucent for easy fluid level monitoring Remove the reservoir access panel see previous page Locate and remove the reservoir cap Fill the reservoir with clean cooling fluid Since the reservoir capacity may be small compared to your application have extra cooling fluid on hand to keep the system topped off when external circulation is started Fill to here Reservoir 10 Isolation Valves Upper Left Side of Chiller Panel Removed Minimum fill level Chillers are equipped with two reservoir tank isolation valves The valves are used to isolate the tank from the fluid flow Th
44. er this first cleaning we recommend a monthly visual inspection After several months the cleaning frequency will be established Before cleaning the strainer disconnect the power cord from the power source and drain the chiller Thermo Scientific Kurzbedienung Thermo Scientific sanleitung Preface Installation Das Gerat verfugt uber ein luftgekuhltes Kuhlsystem Die Luft wird an der Vorderseite an gesaugt und str mt an den Seiten wanden und an der R ckseite aus Das Ger t ma so platziert werden das weder die An saug noch die Ausstromoffnungen blockiert sind Bei ungen gender Ventilation wird die K hlleistung reduziert und kann in extremen Situationen zum Ausfall des Kuhlsystems Kompressor f hren Vermeiden Sie Aufstellorte mit hoher Staubentwicklung und reinigen Sie das Ger t in regelm igen Abst nden Um eine einwandfreie Funktion zu gew hrleisten ma das Ger t ausreichend Luft Zu und Abfuhr haben Bei Staub und Schmutzablagerungen auf dem Kondensator kommt es zu einem Verlust an K hlleistung Das Ger t arbeitet mit seiner maximalen K hlleistung bis zu einer Umgebungstemperatur von ca 25 C Vergewissern Sie sich das die Netzspannung mit der f r das Ger t vorgesehenen Spannung bereinstimmt 310 Die Schlauchanschl sse des Ger tes befinden sich an der R ckseite und sind mit und bezeichnet Die Anschl sse haben ein Y Zoll FPT Innengewinde bzw Zoll FPT bei Ger ten mit CP 55 Pump
45. eskyttende plastik om begge rortilslutninger fjernes Tilslutningsslangen forbindes til kolebadets tilslutningsstykke Aflobsslangen forbindes til kolebadets aflobsstykke Af monter dern st panelet til v skebeholderen Fjern d kslet og fyld ren k lev ske i v skebeholderen Se side 11 i betjeningsvejledningen for anbefalet k lev ske Ibrugtagning For kolebadet tages 1 brug kontrolleres alle elektriske og mekaniske tilslutninger pany P se ligeledes at kolevaske er fyldt pa cirkulationssystemet Afbryderknappen til cirkulationssystemet er anbragt bag p kolebadet Afbryderen s ttes i verste position For at starte kolebadet trykkes afbryderen ned N r kolebadet skal stoppe trykkes ned igen LED displayet viser kolesystemets status Nar varme fjernes fra kolev sken lyser displayet Nar driftstemperaturen n rmer sig setpunktet vil LED displayet blinke Thermo Scientific Merlin LR Series XV Preface Indstilling af temperatur Setpunktet kan vises ved at trykke pa kontrolenheden Det indstillede setpunkt vil blinke 1 displayet nskes setpunktet ndret trykkes pa piltasterne indtil nsket temperatur vises Tryk igen for at bekr fte ndringen Displayet vil i et kort jeblik blinke med den valgte temperatur og vender dern st tilbage med visning af den recirkulerende v sketemperatur Periodisk vedligeholdelse V skebeholderen kontrolleres regelm ssigt Er reng ring n dvendig skylles v skebeho
46. f neither arrow key is pressed within 10 seconds the display returns to the recirculating temperature display Save any change using After pressing an arrow key if is not pressed within 60 seconds the display returns to the recirculating temperature display and ignores any change A Thermo Scientific Start Up Shut Down Pre Start Circuit Protector A Starting Setpoint Thermo Scientific Chapter 2 Before starting the chiller double check all electrical and plumbing connections Ensure the power cord is secured to the rear of the chiller Have extra recirculating fluid on hand If the chiller will not start refer to Chapter 5 Troubleshooting Place the circuit protector located on the rear of the chiller to the up position the controller flashes and the alarm momentarily sounds The chiller has automatic restart If the chiller was shutdown as a result of a power failure and power is restored it will restart A Press The controller does a self test the controller quickly sequences through its LEDs and momentarily sound the alarm and then display the recirculating fluid temperature The refrigeration system and the recirculation pump then starts The RECIRCULATING PRESSURE gauge displays the pump operating pressure If the pressure needs adjusting refer to page 29 NOTE If on start up the chiller s recirculating fluid is outside either temperature limit the chiller operates but
47. f the chiller d1 chiller off 0 on 1 command bytes shown in bold d2 external sensor disabled 0 enabled 1 qb qualifier byte see Table 2 d3 fault mode disabled 0 enabled 1 d1 d2 16 bit signed integer of the value being sent or received d4 tenths display disabled 0 enabled 1 cs the checksum of the string see text d5 Alarms on internal 0 or external sensor 1 1 is invalid when d2 0 external sensor disabled Table 2 QUALIFIER BYTE 00 0 precision no units of measure 01 0 precision C 10 1 precision no units of measure 11 1 precision C 20 2 precision no units of measure Example The temperature of 45 6 C would be represented by the qualifier 11 hex followed by the 2 bytes 01 C8 hex 456 decimal Thermo Scientific Merlin LR Series 51 Appendix B Table 3 READ STATUS BIT d1 b 7 1 External Temp Sensor Enabled b 6 1 Level 1 Warning Auto Refill Dos Low Flow Warning b 4 1 Low Level 2 Warning his High or Low Temp Warning bel High or Low Temp Bypass b 1 1 Chiller Faulted pos Chiller Running t d2 is the detail of fault d1 b 1 mutully exclusive 52 Merlin R Series d2 Reserved Reserved Internal Temp Sensor Fault External Temp Sensor Fault High Temp Fixed High Temp Fault Low Temp Fixed Low Temp Fault Low Flow Fault Low Level 2 Fault Thermo Scientific ThermoFisher stro Samen Di SCIENTIFIC Newington NH 03801 DECLARATION OF CONFORMITY Manufactur
48. he chiller Do not use ASCII A The framing of the communications packet in both directions is Checksum region Lead char Addr MSB Addr LSB CA 0 1 Lead char CA hex Device address Is 1 Addr msb Most significant byte of device address is 0 Addr Isb Least significant byte of device address Is 1 Command Command byte see Table 1 n d bytes Number of data bytes to follow 00 to 03 hex d byte 1 1 data byte the qualifier byte is considered a data byte d byte n n data byte Checksum Bitwise inversion of the 1 byte sum of bytes beginning with the most significant address byte and ending with the byte preceding the checksum To perform a bitwise inversion exclusive OR the one byte sum with FF hex The master requests information by sending one of the Read Functions as shown in Table 1 Since no data is sent to the chiller during a read request the master uses 00 for the number of data bytes following the command byte The chiller will respond to a Read Function by echoing the lead character address and command byte followed by the requested data and checksum When the chiller sends data a qualifier byte is sent first followed by a two byte signed integer 16 bit MSB sent first The qualifier byte indicates the precision and units of measure for the requested data as detailed in Table 2 As an example the master requests to read internal temperature by sending The checksum is the bitwise U Fan of 21 CA
49. hiller s basic manitenance E OO ROM checksum Clear with key Er I Test failure Locks up the program Er De Display board failure Clears when display board is fixed Er OJ Critical checksum failure Clear with key Er 14 Synchronous comm check connections Er 15 Asynchronous comm Er Ib Bad calibration data redo calibration Unusual Hardware Conditions These errors flashes on the display and cannot be cleared These are internal controller problems Er OH through 13 Interrupt errors during runtime Fant BOM invalid Functional Machine errors These errors clear themselves once the problem disappears Display Indication Lot Low temp setpoint warning fault Add Low level warning fluid below minimum fill level see page 12 Hit High temp setpoint warning fault Mu it Shorted external temperature sensor rdt2 Mm I nu JE Open exernal temperature sensor rdt2 Merlin LR Series 25 Chapter 4 Displaying Software Version Number 26 Merlin LR Series 1G Shorted internal temperature sensor rdt1 mr ri rcb Open internal temperature sensor rtd1 mr FL Low process flow watning fault C ILF Fluid low level fault chiller shuts down Chiller reaction to warning fault errors depend on how the it is configured see Setup Tuning Loop on page 18 The chiller is shipped configured to continue running If any other code appears contact our customer service The control
50. ing 6 No 27 Xin Jingiao Rd Shanghai 201206 Tel 86 21 68654588 Fax 86 21 64457830 info china thermofisher com Users are forbidden to reproduce republish redistribute or resell any materials from this manual in either machine readable form or any other form Contents EEE Lai iii Be aa E N eee er 111 VEE ces haces R O O ee 111 IRE CRE eden iv UN iv A E O PO ONO RE OOP E Pe Poe iv NN A E E E E O E E E v NTV vi Cite Reference OF ma ge srt Tt Tete anne ix Chapter Description EE iaa 1 ya A ie 2 Chapter 2 Installation and Operation 7 5 1 TOP o TEO A 7 RUN 8 POS eie een 10 III iaia 11 Bine Beau Dee een 12 Reservoir Tank Isolation Valves Open Tank Circulation 12 OR Ol ee 13 Sola ND 15 TN 15 OHR sono ena 15 o emma eae nanan 15 SELDO aca EE NA 15 TPM 16 Remote senal Te pce cc pete A 16 FN 17 1196 150 A o oe 17 Ss PP lt A 18 Chapter A e e OE E E OCT A 21 COMANO in A 21 Remote SEE OP eenn 22 PRE SDS ETATS O eetset 25 FEN 24 Low Pump Flow WAE Fill 24 PAA Ona A A e e A 24 Thermo Scientific Merlin LR Series Contents Chapter 4 MALA socias 25 ca Ge 0 ENER PO O Ce errr ene rey O Trent rene ye 25 Displaying Software Version NUMBEL een 26 Controller PED VOS Merete TT et bie 24 CS er 21 Vn 28 Base Roto a 0 To EE EN EE 28 DENN 29 Pira 30 FL sl POZ ARR 92 BOM DIE rain 32 Temperatur Sensor Cano reas 32 DN Di OA rere rr tere 36 DAT E SCC LAG ete a RR
51. is to be transported and or stored it needs to be drained If the chiller is to be transported and or stored in cold temperatures it needs to be drained and then flushed with a 50 50 glycol water mixture A The circuit protector located on the rear of the chiller is not intended to be used as a disconnecting means A Observe all warning labels A Never remove warning labels A Never operate damaged or leaking equipment A Never operate the chiller without cooling fluid in the reservoir A Always turn off the chiller and disconnect the power cord from the power source before performing any service or maintenance procedures or before moving the chiller A Never operate equipment with damaged power cords A Refer service and repairs to a qualified technician A Merlin LR Series vil Preface Indicates refrigeration system status See page 13 Optional Flashes to indicate the external sensor is en abled See page 23 Indicates the controller is displaying the setpoint Press the arrow keys to change the value See pages 13 14 Indicates the controller is display ing the chiller s low temperature alarm setting Press the arrow keys to change the value See Press to change the displayed value See page 13 Optional Indicates the chiller is operating in the serial commu nication or remote start stop mode See pages 13 14 and 16 pages 13 14 Press to sequence through the four indicat
52. l M 25 115V 60Hz PD1 None M 33 115V 60Hz PD1 MD30 PD2 M 33 230V 60H PD2 None M 33 230V 50Hz PD1 PD2 M 75 230V 60Hz PD2 None M 75 230V 50Hz PD2 None M 150 230V 60Hz PD2 CP55 M 150 230V 50Hz PD2 None M 150 400V 50Hz CP55 None NOTE PD pumps should not be used with applications that are sensitive to high pressures A Thermo Scientific Merlin LR Series 3 Chapter 1 Pumping Capacities Bar 4 1 3 4 Pressure N N O mb PS N Bar Pressure N N gt O gt N Bar 0 7 0 6 0 4 Pressure 0 3 PSI 60 A PD1 60Hz B PD1 50Hz 50 R c C PD2 60Hz D PD2 50Hz 40 gt 30 i 20 10 1 2 3 4 5 GPM 4 8 11 15 19 LPM lw e o PSI 50 A CP55 60Hz B CP55 50Hz 40 A 30 B 20 10 4 6 8 10 12 14 16 18 20 GPM 15 23 30 38 45 53 60 68 76 LPM ow PSI 10 8 0 60 Hz 6 4 The MD30 is not 2 available for 50 Hz 0 1 4 Merlin LR Series chillers 2 3 4 5 GPM 8 11 15 19 LPM Thermo Scientific DAAN 7 8 g Chapter 1 Rear View Side View Dimensions Inches M 25 M 33 M 75 M 150 Dimension A 23 1 2 23 1 2 26 1 8 30 3 8 Dimension B 12 5 8 12 5 8 16 1 4 21 1 4 Dimension C 20 7 8 20 7 8 24 29 1 4 Dimension D 2 2 2 3 Dimension E
53. lderen med en rensev ske der er forenelig med cirkulationssystemet og k lev sken K lev sken udskiftes regelm ssigt afh ngig af omgivelsestemperaturen og hvor tit k leren er i brug Inden udskiftning af k lev ske skal k lev skens temperatur altid kontrolleres K leribberne b r altid holdes fri for st v og snavs Hvor tit rubberne skal t rres af afh nger af hvor st vede omgivelserne er Fra fabrikkens side anbefales en m nedlig inspektion af kondensoren efter k lebadets f rste ibrugtagning Dern st b r en reng ringsprocedure indf res s ledes at der sikres en regelm ssig og systematisk reng ring af k leren K lebade med PD T1 pumper har monteret et filter Filtret forhindrer st v og snavs i at tr nge ind i pumpen og del gge pumpefanerne Et tilstoppet filter vil ligeledes for rsage get tryk p afl bspumpen For at undg at filtret tilstoppes anbefales det at rense filtret ugen efter k leren har v ret i brug f rste gang Herefter b r filtret kontrolleres en gang om m neden Inden filtret renses skal stikket tr kkes ud af stikkontakten og k lebadet t mmes for k lev ske xvi Merlin LR Series Thermo Scientific Thermo Scientific Installazione Preface L unit dotata di un condensatore raffreddato ad arta Il flusso d aria per il raffreddamento viene prelevato frontale mente ed espulso posteri or mente e letteralmente IMPORTANTE Posizion
54. leage charges are the financial responsibility of the buyer The buyer shall be responsible for any evaluation or warranty service call including labor charges if no defects are found with the Thermo Scientific product This warranty does not cover any chiller that has been subject to misuse neglect or accident This warranty does not apply to any damage to the chiller that is the result of improper installation or maintenance or to any chiller that has been operated or maintained in any way contrary to the operating or maintenance instructions specified in this Instruction and Operation Manual This warranty does not cover any chiller that has been altered or modified so as to change its intended use In addition this warranty does not extend to repairs made by the use of parts accessories or fluids which are either incompatible with the chiller or adversely affect its operation performance or durability Thermo Fisher Scientific reserves the right to change or improve the design of any chiller without assuming any obligation to modify any chiller previously manufactured THE FOREGOING EXPRESS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTIES OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE OUR OBLIGATION UNDER THIS WARRANTY IS STRICTLY AND EXCLUSIVELY LIMITED TO THE REPAIR OR REPLACEMENT OF DEFECTIVE COMPONENT PARTS AND Thermo Fisher Scientific DOES NOT ASSUME OR AUTH
55. ler can display the installed software version number For example for a chiller with software version 026950 1A 1 Chiller is running normally and displaying recirculating fluid temperature 2 Press and hold v for at least 10 seconds The display shows the first MI two digits for example Uc 3 Press The display shows the remaining digits to the left of the decimal for example 6950 4 Press The display shows the decimal point and the digit to the right of the decimal point for example 4 5 Press The display shows the revision letter as its equivalent number for example i A 6 Press Disregard this display 7 Press The display returns to the recirculating fluid temperature Thermo Scientific Controller PID Thermo Scientific Values A Cleaning A Chapter 4 The factory preset PID values are P D COOL 12 0 5 0 0 HEAT 5 0 5 0 0 Thermo Fisher recommends that only a qualified technician change PID parameters Incorrect PID values will hamper chiller performance A Reservoir Periodically inspect the fluid inside the reservoir If cleaning is necessary flush the reservoir with a cleaning fluid compatible with the circulating system and the cooling fluid The cooling fluid should be replaced periodically Replacement frequency depends on the operating environment and amount of usage Before changing the cooling fluid ensure it is at a safe handling temperature
56. n your application For example with water 35 C and 5 C would be typical calibration points Run the chiller to a high end calibration point Place a calibrated reference thermometer in the reservoir ensure the fluid temperature is stable Enter Calibration by pressing and holding v and then pressing A three times The display reads CAL Press A and the display reads rtd1 To calibrate the high end temperature press A and the display reads r1H Press again and the display flashes between 11H and the current probe temperature Use and W to adjust the r1H display Once the display temperature matches the reference thermometer press twice Press until Stor is displayed press A to accept the new value Repeat for the low end temperature r1L NOTE Both the high and low temperatures must be entered for a valid calibration If power is lost before the procedure is complete critical data needed for the calculation of calibration parameters is lost After pressing A at the Stor prompt wait several seconds before proceeding to ensure that a bad calibration message does not appear Premature use of the keypad after pressing A may cancel the bad calibration error message A 32 Merlin LR Series Thermo Scientific Chapter 4 rtd2 optional external sensor see next page Accept All Changes Thermo Scientific Merlin LR Series 33 Chapter 4 34 Merlin LR Series Eptional External Sensor When using any exter
57. nal sensor rtd2 for the first time Thermo Fisher recommends a two point calibration This calibration only affects the temperature read by the external sensor Do not pick calibration points that are outside the safe operating limits of the fluid in your application For example with water 35 C and 5 C would be typical calibration points Enter the Calibration Loop by pressing and holding W and then pressing the A three times The display reads CAL Press A and the display reads rtd1 then press and the display reads rtd2 To calibrate the high end temperature press A and the display reads r2H Press A again and the display flashes between r2H and the current probe temperature rtd1 internal sensor see previous page rtd 1 rtd2 external sensor A Accept All Changes Thermo Scientific Thermo Scientific Chapter 4 Place the external sensor and a calibrated reference thermometer in a source containing fluid that is just below the high end temperature range of the chiller ensure the fluid temperature is stable Use and v to adjust the temperature display to match the reference thermometer Once the display temperature matches the reference thermometer press twice Press until Stor is displayed pressing A accepts the new value Repeat for the low end temperature r2L Use a fluid that is just above the chiller s low end temperature range NOTE Both the high and low tem
58. nitially fill the tank with distilled deionized water Do not use untreated tap water as the total ionized solids level may be too high Thermo Scientific Appendix A The desired level for long time usage is 1 to 3 MQcm compensated to 25 C This reduces the electrolytic potential of the water and prevent or reduce the galvanic corrosion observed Not Recommended Increasingly Corrosive 15 00 fo 10 00 Operations with Stainless Steel Systems G 3 00 E 1 00 Operations with 2 Mixed Metals ES An Copper Brass CONSULT MATERIALS ENGINEER 0 05 Stainless Steel 10 20 30 40 50 60 70 80 Water Quality Considerations 42 Merlin LR Series Thermo Scientific Appendix A Compatibility with Approved Fluids Never use corrosive fluids 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 A Filtered Single Distilled water 5 C to 35 C This fluid is recommended primarily because it has all microorganisms that cause biological fouling removed through vaporizing and condensing the water However distilled water does not remain pure for very long when exposed to the atmosphere Air born spores can contaminate the water and activate algae growth An effective maintenance plan would include switching out the fluid with newly distilled water every six months The particulates that
59. nnected to the chiller enable or disable the sensor by pressing a fifth time The display alternates with rFr b and either OM or of F If desired use the arrow keys to change the status and then press to return to the temperature display See page 25 for additional information To turn the chiller off press When the display goes blank it is safe to place the circuit protector located on the rear of the chiller to the down position Using any other means to shut the chiller down can reduce the life of the compressor A The circuit protector located on the rear of the chiller is not intended to be used as a disconnecting means A Always turn the chiller off and disconnect it from its supply voltage before moving it A Merlin LR Series 17 Chapter 2 18 Setup Tuning Merlin LR Series Loop The Setup Tuning Loop see illustration next page is used to configure the controller temperature display and various operating parameters To enter the loop you must be displaying the reservoir fluid temperature and then while pressing and holding press The display indicates Eung Use the arrow keys to enter bypass the loop Once in the loop press to sequence through it Use the arrow keys to change any display The loop is used to determine how the chiller reacts when a fault occurs FLES either shut down GM or continue to run oF F The chiller is shipped configured to run It is also used to config
60. ntific Appendix B Table 1 Commands continued All bytes are in hex FUNCTION MASTER SENDS CHILLER RESPONDS set Setpoint control point CA 00 01 FO 02 d1 d2 cs CA 00 01 FO 03 qb d1 d2 cs Set Low Temp CA 00 01 CO 02 d1 d2 cs CA 00 01 CO 03 qb d1 d2 cs Set High Temp CA 00 01 EO 02 d1 d2 cs CA 00 01 EO 03 qb d1 d2 cs Set Cool Proportional Band P 0 1 99 9 CA 00 01 F4 02 d1 d2 cs CA 00 01 F4 03 qb d1 d2 cs Set Cool Integral 0 9 99 CA 00 01 FB 02 d1 d2 cs CA 00 01 FB 03 qb d1 d2 cs Set Cool Derivative D 0 5 0 CA 00 01 F6 02 d1 d2 cs CA 00 01 F6 03 qb d1 d2 cs Set Heat Proportional Band P 0 1 99 9 CA 00 01 F1 02 d1 d2 cs CA 00 01 F1 03 qb d1 d2 cs Set Heat Integral 0 9 99 CA 00 01 F2 02 d1 d2 cs CA 00 01 F2 03 qb d1 d2 cs Set Heat Derivative D 0 5 0 CA 00 01 F3 02 d1 d2 cs CA 00 01 F3 03 qb d1 d2 cs set On Off Array The Set On Off Array command is used to set and or request chiller settings The array consists of 5 data bytes d1 db Each byte represents the state of one setting see below The master can send the array with a value of 0 turn off disable 1 turn on enable or 2 do not change 0 or 1 causes the chiller to change the setting 2 only requests the state of a setting The slave returns values of 0 off disabled or 1 on enabled Sample turn chiller on 02950 1J K CA 00 01 81 05 01 02 02 02 02 6F limited to the range o
61. ors and accept the displayed value See page 13 NOTE None of the four indicators are visible unless this key is pressed Indicates the controller is displaying the high tem perature alarm setting Press the arrow keys to change the value See pages 13 14 Reservoir Access Panel See pages 10 12 Controller See page 13 Pressure Gauge See page 15 Reservoir See page 12 Condenser Access Panel See page 27 Plumbing Return Connection See page 10 gt Plumbing Supply Connection See page 10 PSI KPa PD Pump Pressure Relief Valve See vill Merlin LR Series Circuit Protector See page 15 Press to start stop the chiller See page 13 Press to mute the alarm See page 13 Optional a Communications Connec tor See page 21 Optional Remote Start Stop Connector See page 22 External Tempera ture Sensor See page 23 Drain See page 10 Thermo Scientific Quick Reference Operating Procedures Thermo Scientific Preface Installation The chiller has an air cooled refrigeration system Air is drawn in the front of the chiller and discharged through rear and sides Position the chiller so the intake and discharge are not impeded Inadequate ventilation will reduce cooling capacity and in extreme cases result in compressor failure Avoid excessively dusty areas and institute a periodic cleaning schedule For proper operation the chiller needs to pull subs
62. peratures must be entered for a valid calibration If power is lost before the procedure is complete critical data needed for the calculation of calibration parameters is lost After pressing A at the Stor prompt wait several seconds before proceeding to ensure that a bad calibration message does not appear Premature use of the keypad after pressing A may cancel the bad calibration error message A Merlin LR Series 35 Chapter 4 Decommissioning Disposal Decommissioning prepares equipment for safe and secure transportation Laboratory Grade Ethylene glycol EG is poisonous and flammable Before disposing refer to the manufacturer s most current MSDS for handling precautions A Decommissioning must be performed only by qualified dealer using certified equipment All prevailing regulations must be followed A Consider decommissioning the chiller when e It fails to maintain desired specifications It no longer meets safety standards It is beyond repair for its age and worth Refrigerant and compressor oil must be recovered from equipment before disposal Note Keep in mind any impact your application may have had on the chiller Direct questions about chiller decommissioning or disposal to our Sales Service and Customer Suppott Handling and disposal should be done in accordance with the manufacturers specification and or the MSDS for the material used A Shipment Sto rage Follow the manufacturer s MSDS instructions if d
63. r s serial port by using the chiller s standard 9 pin RS 232 connection Data read of the serial port connects to the data transmit pin 2 of the chiller Data transmit of the serial port connects to data read pin 3 of the chiller Data to computer Data Transmit 2 Data from computer Data Read 3 NESLAB Controller RS232 Port Signal Ground 5 9 pin female D connector Cable Communication cables are available from Thermo Fisher Contact our sales department for additional information All commands must be entered in the exact format shown in the tables on the following pages The tables show all commands available their format Merlin LR Series 47 Appendix B 48 Merlin LR Series and responses Controller responses are either the requested data or an error message The controller response must be received before the host sends the next command The host sends a command embedded in a single communications packet then waits for the controller s response If the command is not understood or the checksums do not agree the controller responds with an error command Otherwise the controller responds with the requested data If the controller fails to respond within 1 second the host should resend the command Thermo Scientific Appendix B NOTE All byte values are shown in hex hex represents the binary values that must be sent to t
64. r wordt bereikt zal de LED gaan knipperen Merlin LR Series xix Preface Temperatuur Instelling Druk op de controller om de ingestelde temperatuur te zien De indicator licht op en de ingestelde waarde knippert Druk op de knop met het pijltje totdat de gewenste temperatuur is ingesteld Druk nogmaals op de knop met het pijltje om de wijziging te bevestigen De display knippert enkele malen snel en zal dan weer de actuele temperatuur laten zien Periodiek onderhoud Controleer regelmatig de vloeistof Als de vloeistof ververst moet worden handel dan als volgt Laat de vloeistof uit het apparaat lopen Aan de achterzijde van het apparaat bevindt zich een afvoerkraantje Spoel het reservoir door met een spoelvloeistof die geschikt is voor het apparaat en de koelvloeistof Het is noodzakelijk om de ribben van de condensor regelmatig schoon te maken met behulp van een stofzuiger Check de condensor maandelijks Na enige maanden kunt u de frequentie van het schoonmaken bepalen Apparaten met een PD T1 pomp hebben een filter Het filter beschermt de pomp tegen deeltjes die in het vloeistofcircuit kunnen komen Een vies filter zal de druk in het koelcircuit verhogen Na de eerste opstart is er een verhoogde kans op een vervuild filter Maak na n week het filter schoon Wij adviseren een maandelijkse inspectie van het filter Na een aantal maanden kunt u de frequentie van inspecties aanpassen Haal de stekker ui
65. re le groupe et votre application et s assurer que le r servoir soit cotrectement rempli Placer le bouton l arri re en position haute Pour mettre en route a puy er sur la touche pour teindre appuyer a nouveau sur la m me touche Une diode LED s allume pour indiquer que le groupe commence refroidir et se met flasher lorsque la temp rature de consigne est presque atteinte Merlin LR Series xiii Preface XIV Merlin LR Series 3 REGLAGE DE LA TEMPERATURE Appuyer sur la touche du contr leur de temp rature pour s lectionner une temp rature de consigne Le t moin s allume et cette temp rature de consigne flashe Pour en changer utiliser les fleches de r glage haut et bas jusqu a Pobtention de la temp rature souhait e Presser a nouveau pour valider Cette nouvelle valeur flasher a quelques secondes avant d tre remplac e par la temp rature pr sente 4 MAINTENANCE PERIODIQUE V rifier le fluide dans le r servoir Sil est sale veuillez rincer et le changer ou rajouter un produit tout en s assurant de sa bonne compatibilit La p riodicit d pend des conditions locales d utilisation Avant de changer le liquide s assurer qu on soit a une temp rature qui ne pr sente aucun risque Nettoyer les grilles du condenseur La p riodicit d pend du degr de propret du local Commencer par une premi re inspection au bout d un mois de fonctionnement puis espacer les v
66. rifications s il y a lieu Les pompes type PD T1 sont munies d un filtre de protection dont le r le est d emp cher des impuret s ou des corps trangers d endommager les corps de pompe Pour viter d ventuelles pertes de charge il convient de nettoyer ces filtres La premi re inspection doit s effectuer une semaine apr s la mise en route de l appareil Ensuite nous pr conisons une v rification tous les mois voire moins selon l tat du dit filtre Avant de nettoyer ce filtre d connecter l appareil et vidanger Thermo Scientific Preface Kom hurtigt i gang nstalleting Merlin serien er luftkolet Luftindtaget sker via ribber 1 kolebadets front luftudtaget via huller bagp og i siderne af kolebadet Kolebadet skal anbringes s ledes at luftindtag og luftudtag ikke hindres Utilstr kkelig ventilation vil for rsage nedsat kolekapacitet og i v rste fald del gge kompressoren Undg at anbringe kolebadet 1 meget st vede omgivelser Det anbefales at indf re en periodisk og systematisk rengoringsprocedure En kondenser sikrer kolebadets store luftindtag Ophobning af f eks st v eller snavs p koleribberne medforer en nedsat kolekapacitet Omgivelsestemperaturen ma max vere 25 C for at sikre bedst mulig drift Sp ndingen skal vere 220V Rortilslutningerne er anbragt pa bagsiden af kolebadet og er afm rkede Tilslutninger er 1 2 FPT Kolebade med CP 55 pumpe har 3 4 FPT tilslutning Den b
67. s are in hex FUNCTION MASTER SENDS CHILLER RESPONDS Read Acknowledge CA 00 01 00 00 FE CA 00 01 00 02 v1 v2 cs Read Status see Table 3 CA 00 01 09 00 F5 CA 00 01 09 02 d1 d2 cs Error CA 00 01 OF 02 en ed cs Read Internal Temperature RTD1 Read External Temperature RTD2 Read Setpoint control point Read Low Temperature Limit Read High Temperature Limit Read Cool Proportional Band P Read Cool Integral Read Cool Derivative D Read Heat Proportional Band P Read Heat Integral 1 Read Heat Derivative D CA 00 01 20 00 DE CA 00 01 21 00 DD CA 00 01 70 00 8E CA 00 01 40 00 BE CA 00 01 60 00 SE CA 00 01 74 00 8A CA 00 01 75 00 89 CA 00 01 76 00 88 CA 00 01 71 00 8D CA 00 01 72 00 8C CA 00 01 73 00 8B CA 00 01 20 03 qb d1 d2 cs CA 00 01 21 03 qb d1 d2 cs CA 00 01 70 03 qb d1 d2 cs CA 00 01 40 03 qb d1 d2 cs CA 00 01 60 03 qb d1 d2 cs CA 00 01 74 03 qb d1 d2Ncs CA 00 01 75 03 qb d1 d2 cs CA 00 01 76 03 qb d1 d2 cs CA 00 01 71 03 qb d1 d2 cs CA 00 01 72 03 qb d1 d2 cs CA 00 01 73 03 qb 01 d2 cs command bytes shown in bold qb qualifier byte see Table 2 d1 d2 16 bit signed integer of the value being sent or received cs the checksum of the string see text 90 Merlin LR Series v1 v2 protocol version ed Bad command byte gets echoed en error number 01 Bad command 02 Bad checksum XX no valid data include in checksum Thermo Scie
68. siglia almeno un controllo mensile visivo dopo l installazione cos da valutare una appropriata frequenza di pulizia Le unit nelle quali sono installate delle pompe del tipo PD T1 sono dotate di un filtro che trattiene eventuali impurit solide evitandone il flusso attraverso la pompa stessa Una settimana dopo l installazione iniziale si consiglia di pulite accuratamente questo filtro in quanto l intasamento di quest ultimo potrebbe causare un incremento nella pressione di mandata della pompa Dopo la prima pulizia controllare mensilmente le condizioni del filtro in modo da valutare un appropriata frequenza di pulizia Prima di procedere alla pulizia del filtro disconnettere la tensione di alimentazione e svuotare il serbatoio dal fluido refrigerante tramite l apposito scarico posizionato nel retro dell unit Thermo Scientific Verkorte handleiding Thermo Scientific Preface Installatie Het apparaat heeft een luchtgekoeld koelsysteem De luchtinlaat 1s aan de voorzijde De luchtuitlaat is aan de twee zijkanten en aan de achterzijde Plaats het apparaat zo dat de luchtaanvoer niet geblokkeerd is By onvoldoende luchtdoorstroming zal het koelvermogen afnemen In extreme gevallen zal de compressor uitvallen Plaats het apparaat niet in stoffige ruimtes Maak het apparaat regelmatig schoon Voor een goede werking moet het apparaat voldoende lucht door de condensor laten stromen Een ophoping van
69. stof of andere deeltjes zullen het koelvermogen nadelig bei nv lo eden Het apparaat zal de opgegeven specificaties halen tot een omgevingstemperatuur van ongeveer 77 F 25 C Het voltage moet voldoen aan het opgegeven voltage 110 De aansluitingen voor de waterslangen zijn gelabeld en bevinden zich aan de achterzijde De aansluitingen zijn Y inch FPT inch FPT voor apparaten met een CP 55 pomp Verwijder de plastic beschermdopjes die zich in de aansluitingen voor de waterslangen bevinden Sluit de Outlet van het apparaat aan op de Inlet van uw toepassing Sluit de Inlet van het apparaat aan op de Qutlet van uw toepassing Verwijder het paneel wat toegang geeft tot de vulopening van het vloeistofreservoir Verwijder de dop van het vloeistofreservoir en vul het reservoir met schone vloeistof Voor aanbevelingen over vloeistoffen verwijzen wij naar pagina 11 In bedrijf stellen Check voor het opstarten alle aansluitingen Overtuig u ervan dat het apparaat op de juiste manier is gevuld met koelvloeistof Aan de achterzijde van het apparaat bevind zich de schakelaar voor de zekering Deze schakelaar moet naar boven staan Om het apparaat te starten druk op start stop Om het apparaat uit te schakelen druk nogmaals op start stop De x LED geeft de status van het koelsysteem aan De LED gaat aan als het apparaat warmte on trekt aan de koelvloeistof Op het moment dat de ingestelde temperatuu
70. strainer also causes increased discharge pump pressures After initial installation the strainer may become clogged with debris and scale Therefore the strainer must be cleaned after the first week of installation After this first cleaning we recommend a monthly visual inspection After several months the cleaning frequency will be established Before cleaning the strainer ensure the cooling fluid is at a safe handling temperature Disconnect the power cord from the power source A We also recommend draining the reservoir The strainer is in the pump return line the exact location depends on the chiller s configuration For most configurations it is located behind the rear panel For chillers configured with low level and low temperature switches it is behind the right side panel Brass Cap some Y chillers only i Fitting 1 or Y Brass Cap some 34 chillers only SS Screen screen ting 1 or Y Right side View Rear View 30 Merlin LR Series NOTE A small amount of fluid will come out of the internal strainer housing when the fitting is removed Have a rag handy to put under the housing before removing the fitting A Thermo Scientific Chapter 4 Remove the panel from the chiller Use one wrench to support the filter housing and a second wrench to unscrew the fitting 1 inch for CP pumps or 4 inch for PD and T
71. t het stopcontact voordat u het filter gaat schoonmaken xx Merlin LR Series Thermo Scientific Stru n n vod Thermo Scientific k obsluze Preface Instalace Jednotka je chlazena vzduchem Vzduch je nas v n p edn m panelem a je odv d n bo n mi panely a zadn m panelem V dy um st te jednotku tak aby nebyl kladen odpor proud n vzduchu V opa n m p pad dojde ke sn en chladic ho v konu a v extr mn ch p padech 1 k poru e kompresoru Je t eba se vyvarovat nadm rn pra n ho prost ed a stanovit a dodr ovat interval pravideln ho i t n kondenz toru Pro spr vnou funkci jednotky je t eba aby kondenz torem proudilo dostate n mno stv vzduchu sady prachu a ne istot na ebrech kondenz toru se projev sn en m chladic ho v konu Jednotka je schopna pod vat deklarovan chladic v kon a do okoln teploty 25 C Nap jec nap t nesm p ekro it nomin ln hodnotu 310 P ipojen okruhu cirkula n kapaliny se prov d pomoc p pojek um st n ch na zadn m panelu jednotky P pojky jsou ozna eny a Rozm r fittingu je 7 2 FPT FPT pro jednotky s erpadlem CP 55 Vyjmete plastov ochrann vlozky z obou natrubku Pripojte p vod a odvod va aplikace t j extern ho za zen kter temperujete na po adovanou teplotu Pln n rezervoaru se prov d po otev en p stupov ho panelu a vysroubov n zatky rezer
72. tantial amounts of air through a condenser A build up of dust or debris on the fins of the condenser will lead to a loss of cooling capacity The chiller will retain its full rated capacity in ambient temperatures up to approximately 77 F 25 C Make sure the voltage of the power source meets the specified voltage 110 The plumbing connections are located on the rear of the chiller and are labelled gt and These connections are 1 2 inch FPT inch FPT for chillers with CP 55 pumps Remove the plastic protective plugs from both plumbing connections Connect the gt fitting to the inlet of your application Connect the fitting to the outlet of your application To fill the reservoir remove the reservoir access panel and locate the reservoir cap Remove the cap and fill the reservoir with clean cooling fluid For approved fluids refer to page 11 Operation Before starting the chiller double check all electrical and plumbing connections Make sure the circulating system is properly filled with cooling fluid Place the circuit breaker located on the rear of the chiller to the up position To start the chiller press To turn the chiller off press Ozan The LED indicates the status of the refrigeration system It illuminates to indicate the refrigeration system is removing heat from the cooling fluid As the operating temperature approaches the set point the LED flashes Merlin LR Series IX Preface
73. ticular Requirements For Laboratory Equipment For The Heating Of Materials Manufacturer s Authorized Representative Date klin W 9 20 13 Robin Wiley Compliance Engineering DofC 094024 1 Form 094233 DWG 094024 REV 24 Apr 09 WARRANTY Thermo Fisher Scientific warrants for 24 months excluding Positive Displacement pumps which are warranted for 12 months from date of shipment the Thermo Scientific Merlin chiller according to the following terms Any part of the chiller manufactured or supplied by Thermo Fisher Scientific and found in the reasonable judgment of Thermo Fisher to be defective in material or workmanship will be repaired at an authorized Thermo Fisher Repair Depot without charge for parts or labor The chiller including any defective part must be returned to an authorized Thermo Fisher Repair Depot within the warranty period The expense of returning the chiller to the authorized Thermo Fisher Repair Depot for warranty service will be paid for by the buyer Our responsibility in respect to warranty claims is limited to performing the required repairs or replacements and no claim of breach of warranty shall be cause for cancellation or recision of the contract of sales of any chiller With respect to chillers that qualify for field service repairs Thermo Fisher Scientific s responsibility is limited to the component parts necessary for the repair and the labor that is required on site to perform the repair Any travel labor or mi
74. tion s heat load does not exceed the rated specification see Chapter 2 Specifications c Make sure the air intake and discharge are not impeded and the ambient temperature does not exceed 35 C d Make sure the condenser is free of dust and debris see Chapter 4 Maintenance and Cleaning e Verify the controller s PID values see Setup Tuning Loop Thermo Scientific Service Assistance Thermo Scientific Chapter5 4 Chiller runs loudly a Check the position of the reservoir tank valves See Reservoir Tank Isolation Valves Open Tank Circulation Chapter 2 5 Condensation on reservoir a Check the position of the upper reservoir tank valve See Reservoir Tank Isolation Valves Open Tank Circulation Chapter 2 6 Chiller vibrates a The external pressure relief valve may need adjustment Change the pressure setting 5psi see Chapter 4 7 No serial communications optional a All chillers are tested for serial communications before they leave the factory Check the controller ensure serial communication is enabled b Check all communications commands they must be exact See Appendix B c Check all wiring for proper connections or possible shorts d Software to verify serial communication is available from Thermo Fisher If after following these troubleshooting steps your chiller fails to operateproperly contact our Service Department for assistance see Preface After sale Support
75. to 35 C 15 C to 35 C 15 C to 35 C 15 C to 35 C 0 1 C 0 1 C 0 1 C 0 15 0 5 0 5 0 5 0 5 1 8 1 8 1 8 1 8 R134a R134a R134a R404a 178 178 385 755 141 141 200 287 64 64 91 130 2500 A M 75 60Hz Fluid 50 50 EG Water B B M 75 50Hz 2000 n C M 33 50 amp 60Hz D M 25 60Hz 1500 1000 500 15 5 20 35 Temperature C 2500 A M 75 60H Fluid 50 50 PG Water do axe R C M 33 50 8 60Hz 1500 D M 25 60Hz C 1000 D 500 15 5 20 35 Temperature C Thermo Fisher Scientific reserves the right to change specifications without notice 5 to 35 C for M33 chillers with an MD30 pump At the chiller Display resolution 1 0 C 0 1 C display resolution is available using the controller s Setup Tuning Loop see page 18 Circulating at 20 C ambient pump unloaded Cooling capacity will vary depending on fluid temperature ambient temperature and cooling fluid Chillers with PD pumps Chillers with CP55 pumps weigh 310 pounds 141 kilograms 1 2 3 Thermo Scientific Chapter 1 6000 A M 150 60Hz Fluid 50 50 EG Water B M 150 50Hz 5000 A 3 4000 B o 3000 2000 1000 15 5 20 35 Temperature C 9000 A M 150 60Hz Fluid 50 50 PG Water B M 150 50Hz 4000 qu 3 3000 oc 2000 I 1000 15 5 20 35 Temperature C Pump Options Chiller Standard Optiona
76. ult the status relay de energizes The pin out information is Pin Function Pin Function 1 No Connection 6 Remote On Z status NO 2 RTD2B 3 Status NC 8 Remote On 4 RIDZA 9 No Connection 5 Status Common Hardware Mating Connector AMP Part 745491 2 or equivalent 12 to 24 Volts DC 10 maximum input current 9ma 12 to 24 Volts AC 10 maximum input current 5ma 40 volts rms continuous 56 volts peak Rating for both normally open and normally closed status relay contacts are Maximum rated load 1 0 Amp 24 Volts AC DC resistive Minimum permissible load 1 ma 5 VDC Thermo Scientific External Temperature Thermo Scientific Sensor Chapter 3 Connect the external sensor to the male 9 pin D connector located on the rear of the chiller see previous page The external temperature sensor is enabled using the controller With the controller displaying the temperature press five times The display alternates with TFT O and either OM or OFF If desired use the arrow keys to change the status and then press to return to the temperature display If the external sensor is selected the controller displays the temperature at the external sensor Also the controller indicates the external sensor is selected by flashing the left most temperature decimal point Flashes to indicate the external sensor is enabled NOTE To display the internal temperature press and hold A for one second The displ
77. ure the temperature displays to indicate to a tenth of a degree LENE The loop is used to select which temperature sensor the high and low temperature monitors uses AF h CE di is the internal sensor ride is the optional external sensor E dr is dispayed only if the optional external sensor is enabled If the optional external remote probe is enabled the loop is used to set the remote probe temperature deviation rPr d limit This limit is applied to the setpoint to calculate the minimum fluid temperature supplied to your application For example if the setpoint is 10 C and the deviation is set to 3 C the coldest fluid temperature supplied to your application is limited to TG The deviation can be set from 1 C to 53 C The factory default setting s 50 C The loop can also be used to set the controller s PID parameters Cool HEAL The factory preset values are on page 27 Thermo Fisher recommends that only a qualified technician change PID parameters Incorrect PID values hampers chiller performance A The heat PID is only applicable to chillers configured with a heater The loop is also used to adjust verify serial communication parameters SEr This section of the loop is applicable only to chillers configured with serial communications capability Changes made in the Tuning Setup Loop take affect when is pressed at the Stor prompt Pressing v at the prompt aborts a changes Thermo Scientific Chapter 2
78. vo ru Rezervoar se pot napln vhodnou cirkula n kapalinou Doporu en parametry cirkulacni kapaliny jsou specifikov ny na stran 11 Provoz P ed zah jen m provozu je t eba opakovan prov it elektrick p ipojen a cirkula n obvody jednotky Cirkulacni obvod mus b t zapln n vhodnou cirkula n kapalinou Sitovy spina na zadn stene jednotky pot um st me do horn polohy K zah jen provozu stisknete K vypnut jednotky op t stisknete LED kontrolka indikuje stav chladic ho syst mu Pokud sv t signalizuje ze chladic syst m moment ln b a odv d teplo cirkula n kapalin Pokud se teplota cirkulacn kapaliny p ibl po adovan operaci teplot kontrolka za ne blikat Merlin LR Series xxi Preface XXII Merlin LR Series Nastaveni teploty Po zapnuti jednotky se zobraz pozadovana teplota cirkulacn kapaliny Po stisknuti kontrolniho tlac tka displej zacne blikat Sypkami nahoru nebo dolu nastav te pokud je t eba novou po adovanou teplotu Zm na se potvrd op tovn m stisknut m kontroln ho tla tka Po potvrzen se zobraz nove po adovan hodnota rychl m blik n m displeje pote se zobraz aktu ln teplota extern cirkulacn kapaliny Pravideln dr ba Pravideln kontrolujte stav a kvalitu kapaliny v rezervoaru Pokud je t eba prov st vycisteni pou ijte kapalinu kter je shodna nebo kompatibiln s pou vanou cirkula n

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