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PLEASE TAKE TIME TO READ THIS MANUAL
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OPERATING INSTRUCTIONS FOR
PLANTGROWTH INCUBATOR
MODELS SL2, SL3
WITH JUMO dTRON 316 CONTROL,
SMITH'S DIGITAL TIMERS &
TLK38 OVER & UNDER
TEMPERATURE CUT OUT.
Incubator features
Installing your incubator & precautions
Initial set up procedure
Setting a single operating temperature
Setting two temperatures for dual temperature cycling
Lighting & timers
Humidity
Maintenance
Colwick Industrial Estate
1
Revised: June 2011
LEEC Limited
Private Road No.7
Nottingham
NG4 2AJ
Tel. 0115 961 6222
Fax. 0115 961 6680
http://www.leec.co.uk
sales@leec.co.uk
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Summary of Contents for LEEC SL2
- Page 1 OPERATING INSTRUCTIONS FOR PLANTGROWTH INCUBATOR MODELS SL2, SL3 WITH JUMO dTRON 316 CONTROL, SMITH'S DIGITAL TIMERS & TLK38 OVER & UNDER TEMPERATURE CUT OUT. PLEASE TAKE TIME TO READ THIS MANUAL Incubator features Installing your incubator & precautions Initial set up procedure...
- Page 2 / samples in a high humidity environment. (See section 7.0 for more details). HEATING & COOLING SYSTEM The unique LEEC temperature control system ensures exceptionally good stability. A powerful refrigeration system provides cooling whilst low wattage heaters provide heating. A door micro switch stops the internal fan(s) when the door is opened to minimise temperature disturbance.
- Page 3 SMITH'S DIGITAL LIGHTING TIMER A light grey coloured Smiths digital 24 hour timer, located on the incubators control panel, controls the fluorescent lights in the outer door. Times can be programmed into the unit. The LCD display shows the current time and cycle stage.
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Page 4: Initial Set Up Procedure
INITIAL SET UP PROCEDURE Switch the incubator on using the POWER switch located on the left hand side of the control panel. The green neon inside the switch will illuminate if the supply is connected correctly. If a warning buzzer sounds, press the reset button to cancel it. - Page 5 SETTING AN UNDER TEMPERATURE CUT OUT VALUE If, for example, you would like to operate your incubator at +20.0° C, an under temperature cut out value needs to be programmed into the cut out. We recommend that the cut out value is set to 2 degrees lower than your chamber temperature.
- Page 6 SETTING A SINGLE OPERATING TEMPERATURE The Jumo 316 temperature controller on your incubator has a multi-function LED display. The upper display (red) represents the actual chamber temperature. The middle display (green) represents the target temperature. The lower display (yellow) indicates when the controller is heating or cooling. The yellow numbers on the temperature controller may be on, off or flashing.
- Page 7 SETTING TWO TEMPERATURES FOR DUAL TEMPERATURE CYCLING The Jumo 316 temperature controller on your incubator has a multi-function LED display. The upper display (red) represents the actual chamber temperature. The middle display (green) represents the target temperature. The lower display (yellow) indicates when the controller is heating or cooling. The yellow numbers on the temperature controller may be on, off or flashing.
- Page 8 The Dual Temperature Cycling timer can now be programmed with several ON & OFF times for cycling between two pre-programmed temperatures over a 24 hour cycle. The LCD display shows the current time and cycle stage. The timer has a slide switch labelled ON, OFF & TIMED. It interacts with the temperatures that are programmed as SP1 &...
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Page 9: Maintenance
HUMIDITY A wide range of fixed relative humidities can be achieved by adding suitable saturated salt solutions (or just water) directly into the base of the chamber. The relative humidity of air in contact with saturated salt solutions reaches known equilibrium values at certain temperatures. Salts Graph The graph above shows the temperatures and relative humidities for several of the more common saturated salts.
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