Summary of Contents for Julabo KRC 50
- Page 1 English Operating Manual Refrigerators for chemicals KRC 50 KRC 180 JULABO GmbH 77960 Seelbach / Germany Tel. +49 (0) 7823 / 51-0 +49 (0) 7823 / 24 91 info.de@julabo.com www.julabo.com 1.951.6610-V4 11/17 Print date:13.06.18...
- Page 2 Congratulations! You have made an excellent choice. JULABO thanks you for the trust you have placed in us. This operating manual has been designed to help you gain an understanding of the operation and possible applications of our immersion coolers. For optimal utilization of all functions, we recommend that you thoroughly study this manual prior to beginning operation.
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Page 3: Table Of Contents
TABLE OF CONTENTS INTENDED USE ....................4 1.1. DESCRIPTION ..................4 OPERATOR RESPONSIBILITY – SAFETY INSTRUCTIONS ......5 2.1....................6 ISPOSAL SAFETY NOTES FOR THE USER ..............7 3.1..............7 XPLANATION OF SAFETY NOTES 3.2..............7 XPLANATION OF OTHER NOTES 3.3. -
Page 4: Intended Use
Seperate control and safety circuit Bipolar shutoff in the event of a functional disturbance Alarm output (with floating DPDT contact) The KRC 50 and KRC 180 refrigerators for chemicals have been developed in research laboratories for enhanced safety. They are comprised of: 1. -
Page 5: Operator Responsibility - Safety Instructions
Operator responsibility – Safety instructions The products of JULABO ensure safe operation when installed, operated, and maintained according to common safety regulations. This section explains the potential dangers that may arise when operating the refrigerators for chemicals and also specifies the most important safety precautions to preclude these dangers as far as possible. -
Page 6: Disposal
2.1. Disposal In the second stage this unit contains the flammable refrigerant R600a. Therefore only qualified personnel from Julabo are authorized to dispose of the waste. Valid in EU countries See the current official journal of the European Union – WEEE directive. -
Page 7: Safety Notes For The User
Safety notes for the user 3.1. Explanation of safety notes In addition to the safety warnings listed above, warnings are posted throughout the manual. These warnings are designated by an exclamation mark inside an equilateral triangle. “Warning of a dangerous situation (Attention! Please follow the documentation).”... - Page 8 Observe all warning labels. Nur für Chemikalien Never remove warning labels. For chemicals only - no food The KRC 50 and KRC 180 refrigerators for chemicals are suitable for unsupervised operation. Sources of ignition (for example: electrical devices) may not be operated in the interior.
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Page 9: Operating Controls And Functional Elements
OPERATING CONTROLS AND FUNCTIONAL ELEMENTS Test button for excess temperature protection of the compressor Note: Resetting is performed by pulling out and reconnecting the mains power plug Selector button for actual/selected temperature value display LED, green: indication of compressor ON LED, red: indication of "ALARM"... -
Page 10: Operation
OPERATION OPERATION 5.1. Installation The refrigerator should not be installed in the vicinity of radiators or other sources of heat. Optimum cooling performance is generally obtained at ambient temperatures of +16 °C to +32 °C (+60 °F to 90 °F). Fixed bolts on the rear of the unit insure that sufficient distance will be maintained to adjacent walls for proper air circulation. -
Page 11: Changing The Door Opening Side
Press the selector button (2), and set the adjustment screw (5) to achieve the desired selected temperature value on the display (6). CHANGING THE DOOR OPENING SIDE KRC50 Notice: Installation, maintenance and repairs on the refrigerator may only be carried out by qualified personnel. - Page 12 CHANGING THE DOOR OPENING SIDE...
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Page 13: Safety Installations
Fine fuse MT 6.3 A, D 5x20 mm Caution: Before exchanging the fuses, turn off the mains power switch and disconnect the power plug from the mains socket! Only use fine fuses with a nominal value as specified. SI1+2 KRC 180 KRC 50... -
Page 14: Cleaning / Repairing The Unit
The circulator is designed for continuous operation under normal conditions. Periodic maintenance is not required. Repairs Before asking for a service technician or returning a JULABO instrument for repair, please contact an authorized JULABO service station. When returning the unit: Clean the unit in order to avoid any harm to the service personnel. -
Page 15: Alarm Relay
Switching voltage, max.: 220 V - / 250 V Switching current, max.: Switching power, max.: 60 W / 125 VA (non-inductive load) Contact material: Ag Pd 60/40 ACCESSORIES Mount for control unit for KRC 50/180 Plastic pan (for dripping water) for KRC 180 Shelf for KRC 50... -
Page 16: Technical Data
TECHNICAL DATA TECHNICAL DATA Description KRC50 KRC180 Working temperature range -2 ... 12 °C Temperature adjustment analog Temperature indication digital, 7-Segment, green Resolution Temperature control accuracy ±1 K Temperature control two-point Working sensor Safety sensor Safety installations: Overheating protection for compressor 105 °C Working sensor monitoring disconnection... -
Page 17: Ec Declaration Of Conformity
EC Declaration of Conformity... - Page 18 EC Declaration of Conformity...
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Page 19: Warranty Conditions
24 months, limited to a maximum of 10 000 working hours. To apply for this extended warranty the user must register the unit on the JULABO web site www.julabo.com, indicating the serial no. The extended warranty will apply from the date of JULABO GmbH’s original invoice.
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