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RTE-Series Refrigerated Bath/Circulator

Table of Contents

PREFACE

Compliance ............................................................................................. 2

Unpacking ............................................................................................... 2

Warranty ................................................................................................. 2

After-sale Support ................................................................................... 2

SECTION I

Safety

Warnings ................................................................................................. 3

SECTION II

General Information

Description .............................................................................................. 4

Specifications .......................................................................................... 4

SECTION III

Installation

Site .......................................................................................................... 5

Electrical Requirements .......................................................................... 5

Plumbing Requirements .......................................................................... 6

Fluids ...................................................................................................... 8

Filling Requirements ............................................................................... 8

Water Quality Standards and Recommendations ................................... 9

SECTION IV

Temperature Controller

Start Up ................................................................................................... 10

Controller Keypad & Display .................................................................... 10

Changing a Value .................................................................................... 11

Controller Displays .................................................................................. 11

Operator's Loop ...................................................................................... 12

Setup Loop .............................................................................................. 13

Error Messages ....................................................................................... 15

Autorefill (Optional) ................................................................................. 16

High Temperature/Low Liquid Level Safety ............................................. 17

9-Pin Accessory Connectors ................................................................... 18

SECTION V

Maintenance

Service Contracts .................................................................................... 19

Condenser .............................................................................................. 19

Reservoir Cleaning .................................................................................. 20

Algae ....................................................................................................... 20

Additional Loops ...................................................................................... 21

Calibration Loop ...................................................................................... 22

Calibration Procedure ............................................................................. 22

SECTION VI

Troubleshooting

Checklist ................................................................................................. 24

Service Assistance and Technical Support ............................................. 24

SECTION VII

Programming Software/
RS232 Communication

.............................................................................................

WARRANTY

Содержание RTE-111

Страница 1: ...nce or to any unit that has been operated or maintained in any way contrary to the operating or maintenance instructions specified in NESLAB s Instruction and Operation Manual This warranty does not c...

Страница 2: ...ns 9 SECTION IV Temperature Controller Start Up 10 Controller Keypad Display 10 Changing a Value 11 Controller Displays 11 Operator s Loop 12 Setup Loop 13 Error Messages 15 Autorefill Optional 16 Hig...

Страница 3: ...ted and found to be in good condition If the unit shows external or internal damage or does not operate properly contact the transportation company and file a damage claim Under ICC regulations this i...

Страница 4: ...sible for the fluid used For 220 240 volt units supplied without a line cord use a harmonized HAR grounded 3 conductor cord type H 0 5 V V F with conductors listed below A suitable cord end is require...

Страница 5: ...1 x 20 3 x 15 3 9 1 4 x 10 x 6 23 5 x 25 4 x 15 2 9 1 4 x 10 x 9 23 5 x 25 4 x 22 9 1 9 7 0 3 2 12 25 5 4 20 5 25 x 10 5 16 x 15 7 8 63 5 x 26 2 x 40 3 25 x 12 3 8 x 18 3 8 63 5 x 31 4 x 46 7 27 7 8 x...

Страница 6: ...m ambient temperature of 95 F In terms of Celsius derate the cooling capacity 1 for every 0 5 C above 24 C to a maximum ambient temperature of 35 C Electrical Requirements Line voltage may be easily a...

Страница 7: ...unit and the external system as short as possible and to use the largest diameter tubing practical Tubing should be straight and without bends If diameter reductions must be made make them at the inl...

Страница 8: ...usted the pump inlet will draw an occasional air bubble to prevent over flow and the pump outlet will force fluid through the submerged tube to prevent aeration of the vessel To avoid siphoning the ba...

Страница 9: ...page For operation from 30 C to 8 C a 50 50 mixture by volume of tap water and laboratory grade ethylene glycol is suggested Above 80 C and below 30 C the user is responsible for fluids used Never use...

Страница 10: ...ystem Although the initial fill may be as high as 10 megohm cm compensated at 25 C the desired level for long time usage is 1 to 3 megohm cm compensated at 25 C The above two recommendations will redu...

Страница 11: ...on The HEAT indicator flashes when the heater is pulsating A balance between COOL and HEAT controls the temperature NOTE Below 50 C the refrigeration system is on unless the setpoint is more than 2 C...

Страница 12: ...plays An alphanumeric display presents numeric readings of various operating conditions within the bath Display function is selected by pressing the appro priate keys to move through a menu of availab...

Страница 13: ...id temperature Press the NEXT ENTER key to view the setpoint SP displays the controller setpoint The display will flash between SP and the actual setpoint number Use the YES NO keys to change the setp...

Страница 14: ...etup Loop if any key is not pressed during a one minute time span the controller will automatically return to the Operator s Loop tempera ture display NOTE If the unit exceeds either temperature limit...

Страница 15: ...oop 2 of 2 Hit High Temperature Limit Lot Low Temperature Limit r232 RS232 Protocol bAUd BAUD rate factory value 9600 dAtA Data Bits factory value 8 StoP Stop Bit factory value 1 PAr Parity factory va...

Страница 16: ...04 13 Interrupt Error Er14 Synchronous Error Er15 Asychronous Error Er16 Bad Calibration Er19 Low Temp Limit Er21 High Temp Limit Er23 RTD2 Shorted Er24 RTD2 Open Not Installed Er25 RTD1 Shorted Er26...

Страница 17: ...e plumbing connection for the autorefill device labeled WATER INLET is located on the rear of the autorefill assembly The connection is 3 8 inch OD stainless steel Remove the nut and install the tubin...

Страница 18: ...L SAFETY adjustment dial on the right side of the pump box Turn the dial fully clockwise and press the red RESET switch located next to the adjustment dial NOTE On units without a reset switch turn th...

Страница 19: ...nsor Connections Pin Function 1 3 wire RTD connection A 2 No connection 3 No connection 4 3 wire RTD connection B 5 No connection 6 No connection 7 No connection 8 No connection 9 3 wire RTD connectio...

Страница 20: ...denser will lead to a loss of cooling capacity Periodic vacuuming of the condenser is necessary To access the condenser the front grille must be removed The unit must be turned off before the front pa...

Страница 21: ...screws two on each side securing the reservoir s cover To get slack on the refrigeration cable remove the cable strap The cable itself does not need to be disconnected Turn the cover assembly over an...

Страница 22: ...or s loop Calibration loop Setup loop tunE C A L Chip Number Software Number Software Version Checksum Code N O N O HOLD N O HOLD 10 SECS N E X T E N T E R N E X T E N T E R N E X T E N T E R N E X T...

Страница 23: ...or s Setup and Calibration Loops Go to the Setup Loop and place the unit in the internal or remote RTD mode of operation RTD1 Internal Probe RTD2 Remote Probe Return to the Operator s Loop adjust the...

Страница 24: ...23 Figure 4 Calibration Loop rtd1 Internal sensor rtd2 remote sensor r1H High temperature r1L Low temperature Ain NA for this unit Aout NA for this unit Stor Store...

Страница 25: ...or will short cycle clicking sound and no cooling will occur Proper ventilation is required for heat removal Make sure ventilation through the front and rear panels is not impeded and the panels are f...

Страница 26: ...r based temperature control apparatus Choose upper or lower temperature limits and monitor system status with an alarm NEScom can also record your results on a user selectable graph NesCom must be use...

Страница 27: ...cambiar el fluido refrigerante suba la temperatura de operaci n de la unidad para descongelar los serpentines de refrigeraci n Es necesario un vaciado peri dico de las aletas del condensador La frecue...

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