LABORATORY REFRIGERATOR
MODEL BF5 & BF9
INSTRUCTION MANUAL
LMS Laboratory Refrigerators are suitable for storing a wide range of chemicals,
specimens and poisons at controlled temperatures. An adjustable user interface is used to
set the required temperature.
All electrical components have been removed from the interior of the cabinet, thereby
reducing the risk of fire and explosion when flammable liquids are stored.
Unpacking
Please remove all external and internal packaging and dispose of responsibly. Check to
ensure that the refrigerator has not been damaged during transportation. Any
transportation damage should be reported to the shippers used and to your distributor.
Before using the refrigerator please clean the interior with lukewarm water containing a
mild detergent, with a soft cloth. If the refrigerator has been stored in cold surroundings,
it must be allowed to stabilise for at least 2 hours before being switched on.
Safety Measures
WARNING: This appliance must be earthed.
When placing, moving or lifting the refrigerator, do not use the door handle, the
condenser or the touch the compressor unit.
After installing the refrigerator, wait two hours before turning it on.
Before any maintenance activity, please disconnect the electrical plug from the mains
supply.
If the mains power lead or plug is damaged this should be replaced by a qualified
electrician.
For safety reasons, do not repair the refrigerator yourself. Repairs should be carried out by
qualified personnel only.
Should the refrigerating unit be damaged, please ventilate the room for a few minutes.
The refrigerant gas can cause eye injury.
Installation
Place the refrigerator in a dry, ventilated place, out of the sun, keep away from heat
sources such as central heating radiators, etc.
If the refrigerator is placed next to another refrigerating instrument, please ensure that a
distance of 2 cms is left between them.
Make sure that the cabinet is placed level, by adjusting the two front feet as necessary.
Operation & Set Up
User Control Panel
1 is the ON/OFF button – pressed for 2-3 sec this switches the instrument on and off.
2 is the lock button – pressed for 2-3 sec this locks out the keypad.
3 Green LED indicates that the lock function is on.
4 Minus LED indicates that the temperature is below zero.
5 is the LED temperature set point, display and alarm symbols.
6 ▼ button is for decreasing the set point temperature.
7 ▲ button is for increasing the set point temperature.
8 AUX button is the function button.
9 Green LED indicating the temperature setting function.
Start up
After switching on the controller performs an auto-test procedure and after 4-5 seconds
switches to normal display mode. During normal display the controller shows cooler
temperature and in the case of an alarm it displays E with an alarm number.
If the controller is switched off it shows two horizontal lines.
Set Up
Temperature setting, press the AUX button (9) to enter the function mode and then press
either the ▲▼ to adjust the required set point. Once the desired set point is reached
press the AUX button to return to normal display mode.
Defrosting
The defrost is turned on automatically every 8 hours, maximum length of the defrost is 30
minutes. The compressor is turned off during the defrost cycle.
Frost may settle on the back wall of the cabinet, which is automatically removed during
defrosting. The defrost water will drain away into the evaporator receptacle at the rear of
the cabinet. Please ensure that the drain holes does not become blocked.
Alarms
E1 = cooler sensor malfunction
E2 = evaporator sensor malfunction
Hi = maximum set temperature
Lo = minimum set temperature
Pressing a random button cancels the alarm signal as well as Hi and Lo indications. E1, E2
is cancelled by means of turning off the on/off button only, after prior elimination of a
malfunction.
If the malfunction still perists consult customer services.
Cleaning and Maintenance
Periodically, once or twice a year remove any dust or dirt from the condensing unit,
located at the back of the cabinet. Make sure that you do not damage the electrical wires
or the capillary tube whilst cleaning.
Periodically clean the internal chamber and shelves, using a soft cloth, lukewarm water
containing a mild detergent.
Shelf Removal and Refitting
To remove a shelf, please hold the right side of the shelf and lift the left side with your left
hand about 45° and pull shelf towards you.
To replace, put shelf at an angle of 45° and align shelf projections with the grooves
located at the sides of the refrigerator chamber.