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Rubarth Apparate GmbH
Mergenthalerstrasse 8, D-30880 Laatzen, Germany
M
O
PERATING AND
AINTENANCE
C
OOLED
T
YPE
Version E/30-36/01-97
Apparatus for
Scientific and
Industrial Research
I
NSTRUCTIONS
FOR
I
NCUBATORS
3001 - 3601
Phone: ++49/511/824015
++49/511/824016
Fax:
++49/511/824017
e-mail: rubarth@aol.com
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Table of Contents
Summary of Contents for Rubarth Apparate RUMED 3001
- Page 1 Apparatus for Phone: ++49/511/824015 Scientific and ++49/511/824016 Industrial Research Fax: ++49/511/824017 e-mail: rubarth@aol.com Rubarth Apparate GmbH Mergenthalerstrasse 8, D-30880 Laatzen, Germany PERATING AND AINTENANCE NSTRUCTIONS OOLED NCUBATORS 3001 - 3601 Version E/30-36/01-97...
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Page 3: Table Of Contents
Table of Contents Page General View General Transportation and Storage Installation Power Supply Operation Temperature Control Temperature Controller Setpoint Control Programme Control Programmable Timer for Alternating Temperatures Example for a Dual Setponit Daily Programme Example for a Dual Setpoint Weekly Programme Temperature Protection Specimen Protection Unit Protection... -
Page 4: General View
Temperature Control Programmable Timer (Chapter 9) (Chapter 8.1) (Chapter 7) (Chapter 7.4) 20 30 1 2 3 4 5 6 7 % rel.F. Prog. Rubarth Apparate GmbH Helligkeitssteuerung Befeuchtung Entfeuchtung Temperaturwählbegrenzer Zeitschaltuhr Beleuchtung Gruppe I Hand/Auto Gruppe II Temperature Unit cut-out Kühlung... -
Page 5: General
2 General RUMED cooled incubators are producing ideal thermal conditions for quality control and research in science and industry. Experiences of almost 50 years stand for a maintenance-free construction and result in longevity. Cooled incubators are fabricated for two different temperature ranges and three unit sizes each can be chosen from. - Page 6 • Installation places being exposed to direct sunlight, radiators and other thermal sources are to be avoided. Insufficiently ventilated rooms and room temperatures exceeding +25°C are also unsuitable. • The distance between the wall and the backside of the unit should be at least 10 cm. Do not cover the ventilation slots;...
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Page 7: Power Supply
5 Power Supply • Current (A.C.) and voltage at the installation place must coincide with the indications on the name-plate of the unit. The name-plate can be found at the upper part in the door frame on the left side. •... -
Page 8: Temperature Control
7 Temperature Control 7.1 Temperature Controller Heating ON Cooling ON Functioning The digital temperature controller Actual Value can be used as constant value Programme Runs (if W2 is lighting) controller or, with optional acces- Setpoint sories, as programme controller. Temperature sensor is a Pt 100 resistance thermometer, class A. -
Page 9: Programmable Timer For Alternating Temperatures
7.4 Programmable Timer for Alternating Temperatures Time/Response time Response time number of the weekday indicated (1 ON, 1 OFF, 2 ON usw.) Weekday (7=Sunday) The point indicates permanent Control ON or OFF Hours setting 1 2 3 4 5 6 7 Indication of actual switch position/ switching command... - Page 10 -10- Change of the Switching Status Clock indicates the actual time (f. ex. 13.48 h) Switching status is "Automatic OFF" 1 2 3 4 5 6 7 Press and hold key m and press key Hand once. The switching status will change-over to "PERMANENT ON" 1 2 3 4 5 6 7 (display indicates a point above ON) Press and hold key m and press key Hand once.
- Page 11 -11- A correct execution of the programme is based on the condition, that only the required ON-/OFF-commands have been programmed. When you are not sure, if you have programmed unintentionally switching commands which are not required and which may disturb the programme flow, you can visually check the commands by calling them on the display.
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Page 12: Example For A Dual Setponit Daily Programme
-12- 7.5 Example for a Dual Setpoint Daily Programme Dual Setpoint Daily Programme Excess Temperature Control TWW (=SP3) Test Room Temperature (=SP) Low Temperature 120 min 660 min 120 min Control TWW Programme Programme START Switching Status of Programme Timer 1 2 3 4 5 6 7 1 2 3 4 5 6 7 23 hour of the day... - Page 13 -13- Entry of Programme Data Adjustment of value SP (acc. to our example: 20 °C) Push key until SP2 is displayed Adjustment of value SP2 (acc. to our example 30 °C) Push once, Pt2 will be displayed Adjustment of value Pt2 (acc.
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Page 14: Example For A Dual Setpoint Weekly Programme
-14- 7.6 Example for a Dual Setpoint Weekly Programme Most of the temperature programmes with a duration of less than 24 h can be realized in the operating mode "daily programme". However, a programme with for example a duration of 36 h, an reiterating cycle of 16 h, or a programme execution on defined week-days is only possible in the operating mode "weekly programme". - Page 15 -15- Our following example describes the programming of a complicated weekly programme. Our example uses a 16 h-cycle being repeated 7 times running. Programming of the parameters for the temperature controller corresponds to the programming described in the chapter "Dual Setpoint Daily Programme". Programming of the switching commands for the timer are explained subsequently to the example.
- Page 16 -16- Segment Function Normal Refrigerating Normal Heating Heat Load Cooling Temperature Load Temperature SP ( Pt (min) Switching Cycle: Command Timer: 1 2 3 4 5 6 7 1 2 3 4 5 6 7 Cycle: 1 2 3 4 5 6 7 1 2 3 4 5 6 7 Cycle: 1 2 3 4 5 6 7...
- Page 17 -17- Programming, Modifying or Deleting ON-/OFF-commands (Weekly Programme) Clock indicates the actual time (f. ex. 13.48 h) 1 2 3 4 5 6 7 Press the key PROG several times until the switching command Prog. to be modified is displayed (Example: press once to call 1 ON) 1 2 3 4 5 6 7 Press key d once, and a flashing arrow will be displayed above 1.
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Page 18: Temperature Protection
Rubarth Apparate GmbH t e m p e r a t u r e r a n g e . T h e a c o u s t i c a l a r m c a n b e switched-off by the main switch or by decreasing the value of the insufficent temperature limitation or by increasing the value of the overtemperature limitation. -
Page 19: Unit Protection
-19- 8.2 Unit Protection The unit is equiped with an overtemperature protection. The measuring sensor is located in the rear test room on the right side below the ceiling. In case of overtemperature the fuse (3) bursts. The unit remains switched-off and an acoustic alarm is released additionally. -
Page 20: Lighting
-20- 9 Lighting General The lighting can be switched in two groups (standard) to reach different luminous intensity values (Exception: If only 1 lamp is mounted, it will be switched over group I and the switch for group II will be of no function). A photoperiod can be run by means of the timer. -
Page 21: Adjustment Of Lighting Intensity
-21- Replacement of the Fluorescent Lamps • Unplug the mains plug of the unit • Open the unit door widely and remove the insertion grids • Unscrew the slides of the moisture-proof lampholders (Caution: Upon a certain operation time the fluorescent lamps are hot!) •... -
Page 22: Humidification
-22- 11 Humidification 11.1 Evaporative Humidification General The air humidifier operates according to the evaporation principle and attains a water temperature of approx. 70 °C. The maximum evaporative power amounts to approx. 200g per hour. The relative humidity is controlled by a hygrostat. -
Page 23: Ultrasonic Humidification
-23- Maintenance and Cleaning During the whole operation time, the air humidifier requires least maintenance. This evaporative system dissipates only pure water steam to the room air, and not desired residuals in the air, as lime, mineral salts etc. are retained in the water vessel. For that reason, evacuate the vessel weekly and rinse it with clear water. Depending on lime content of the water, the air humidifier should be decalcified every second month using our RUMED quick antiliming agent. - Page 24 -24- Humidity Controller The adjusted humidity is kept constant by an Humidification ON Dehumidification ON electronic digital controller. The capacitive humidity sensor consists of a Actual value dielectric, the relative permittivity of which is Setpoint varying proportionally to the relative humidity.
- Page 25 -25- Operation of the Different Types of Water Supply Operation with Demineralized Tap Water Connect water intake of the humidifier with the Mist supply furnished hose to a demineralized water supply to the test room Either recirculation according to DVGW (German Supply Company for of the air out of the test room or additional blower for...
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Page 26: Dehumidification
-26- Rinsing of the Humidifier and the Hoses before Initial Start or After Erroneous Operation with Tap Water • Rinse with switched-on unit • Loosen hose clamp of the right hose (OUT) on the humidifier and pull off hose • Suck water out of the water vessel through this opening •... -
Page 27: Service And Maintenance
-27- 12 Service and Maintenance Defrosting • Models 3001, 3101 and 3201: The dew water is collected in the evaporation vessel where it automatically evaporates. Observe, that the dew water can flow off unhindered through the drain at the back wall of the cooling chamber.
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