Users Instruction Manual
LABCOLD LABORATORY FREEZER MODEL RLVF04202 With RLAA5002 USERS INSTRUCTION MANUAL
IMPORTANT PLEASE READ FULLY THE INSTRUCTIONS CONTAINED IN THIS MANUAL ARE ESSENTIAL FOR THE RELIABLE OPERATION AND MAINTENANCE OF YOUR FREEZER
Important Notes: Please read carefully before installing your freezer. This Labcold product has been made with great care, tested thoroughly before being sent to you, and is expected to give good service over many years if looked after. The following information is provided for your guidance: 1.
Acceptance: Immediately upon delivery to you the product packaging and the product itself should be inspected for any signs of damage. It was perfect when it left us and should still be so when you receive it. If this is not the case please contact the supplier from whom you ordered it within three days of delivery.
Positioning: Units should be positioned so as to allow adequate airflow around the refrigeration compartment. Once in its final position for use, the equipment must be left to stand for at least 2 hours before being switched on to prevent damage to the refrigeration system.
Stabilisation: Following the above resting period the equipment can be switched on and left for at least 24 hours to cool down and the temperature to stabilise. After this time the unit should be checked for correct operation. Only after this should the product be used for the storage of material.
Calibration: If desired, and following steps 1 to 3 above, the operating temperature inside the chamber (at the centre) may be checked against an independent thermometer of verified accuracy. Any adjustment necessary can then be made by reference to the appropriate section in this manual. All Labcold products have their operating temperatures factory set when being built but during transit, or when being operated in a different environment, small adjustments are sometimes necessary. Such adjustments are intended to be performed by the user and are not covered by the warranty.
Recalibration: For improved long term performance and security of contents the operation outlined in 4 above should be repeated at regular intervals. Labcold recommends once every six months.
Warranty: This Labcold product is warranted against manufacturing defect or malfunction for a period of 12 months from the date of delivery, or other time period as agreed in writing by the manufacturers. This warranty, valid within the United Kingdom only, covers all parts and all labour required to return the product to correct working order subject to the Standard Conditions of Sale provided it has been operated and cared for in accordance with this operators manual. If the product was purchased through a third party vendor, or outside the UK, then different terms may apply and reference should be made to the vendor from whom it was purchased.
Liability is limited to the extent of the Standard Conditions of Sale. Customers are advised that their rights to claim for damages lies with the vendor from whom the item was purchased. Labcold and its agents accept no further liability for the loss of customer’s stored samples, products or other contents, nor the direct or indirect economic or other consequences resulting from such loss. Customers are therefore advised to ensure that they establish suitable checking and monitoring protocols as appropriate to the importance and risk associated with the stored contents in order to mitigate any loss that may occur. Customers are further advised to ensure that they have a suitable contingency plan in place to safeguard their stored property in the event that the unit cannot be repaired in time to prevent its loss or spoilage.
Customers are advised to read this manual together with the vendor’s Standard Terms and Conditions of Sale to which this product, its use, delivery and installation, repair, and warranty are subject. A copy of the Standard Terms and Conditions of Sale may be obtained by contacting the vendor or viewing their catalogue or web site.
OPERATING INSTRUCTIONS FOR LABCOLD LABORATORY FREEZERS MODEL RLVF04202 Read and follow these instructions carefully before use. Remove all internal packing materials and position the freezer away from all heat sources. Install your freezer with a minimum of 1 inch (25mm) clear space at the top and sides. To ensure a minimum of 3 inches (75mm) clear space at the back. The space must be clear to allow the warm air from the condenser, at the back of the freezer, to circulate freely. The freezer should stand level or with a slight tilt backwards and must not tilt forward as this could affect door sealing and closing. To ensure the freezer stands firmly on the floor, an adjustable foot is provided beneath the front corners. A cold location is undesirable and may lead to condensation on the outer surface of the freezer. The normal operating environment is +16ºC to +32ºC. BEFORE STARTING Clean the interior of the freezer (see paragraph “Cleaning your freezer”). Check the voltage indicated at the back of your freezer conforms with your meter supply: failure to do so may invalidate the Guarantee. WARNING - This appliance must be earthed. IMPORTANT - The wires in the mains lead are coloured in accordance with the following codes: Blue - Neutral Brown - Live Green and Yellow - Earth A 3-pin, 13 amp fused plug must be correctly fitted to the mains lead of your freezer and as three colours of the wires of the mains lead of your appliance may not correspond with the markings identifying the terminals in your plug, proceed as follows:Connect Green & Yellow coloured wire to plug terminal marked with letter ‘E’ or coloured Green or Green & Yellow. Connect Brown coloured wire to plug terminal marked with ‘L’ or coloured Red. Connect Blue coloured wire to plug terminal marked with letter ‘N’ or coloured Black.
TO START Plug the mains lead of your freezer into a suitably earthed socket. Switch on the electrical supply. DO NOT PUSH COMPARTMENT.
Open the door and switch on the freezer by depressing the switch labelled “1”. The green indicator will illuminate to show that the freezer is operating. COLD CONTOL Your freezer temperature is controlled by the thermostat, which is manually adjustable by the control knob. The range is approximately –15oC (High) to –25oC (Low), these temperatures can be varied by adjusting the position of the control knob as follows: Warmer - Turn control knob to LEFT (anti - clockwise) Colder - Turn control knob to RIGHT (clockwise) A mid range setting should be adequate in normal climatic conditions and general laboratory locations. Such factors as location, room temperature frequency of door opening and frequency of defrosting will affect your freezer temperature and the cold control might have to be varied to allow for these. SUPERFREEZE CONTROL This switch labelled “S” can be used to lower the temperature of the freezer prior to the freezing of a large volume of samples. As this switch bypasses the thermostat the compressor will run continually and this facility should be only used for a maximum of 24 hours. The yellow indicator labelled “S” will be illuminated when this function is selected. ALARM INDICATOR The alarm indicator will illuminate if the temperature in the chamber rises to approximately -12ºC. DOOR Door opening is by a pull handle. A light touch on the door should be sufficient for it to close firmly. The magnetised door gasket around the door liner provides an effective seal when the door is closed.
DEFROSTING A heavy frost deposit on the inside of the freezer compartment is undesirable because ice acts as a form of insulation and affects freezing performance. To maintain efficiency the ice must be removed whenever a heavy layer has built - up. Scrape off the frost with a wooden or plastic scraper. Collect the removed frost and throw away. DO NOT use a sharp instrument to remove frost. It may cause expensive damage. For a complete defrost, unplug the freezer and remove all samples and store in a cool place. Remove the baskets and place the top tray in the half way position to catch some of the water. Defrosting should be carried as quickly as possible. It can be assisted by placing a bowl of hot water in the freezer, and closing the door as far as possible. On NO account use electrical heaters such as hairdryers, fires or hot air blowers. Check periodically that all the frost has melted and when this is so, remove the bowl of hot water, mop out any remaining defrost water and clean as instructed in the following section. Replace the tray and basket and restart the freezer. When the unit has reached its operating temperature, replace the samples. CLEANING YOUR FREEZER The cleanliness of your freezer is as important to your samples as maintaining proper temperatures. Your freezer is easy to clean and to keep clean. EXTERIOR Use a silicone liquid wax polish, which will clean and polish the freezer in one easy application. Do not use aerosol polishes as the spray may damage the plastic parts. CAUTION Do not use waxes, which contain ammonia, as they tend to discolour the finish. INTERIOR Your freezer interior should be wiped with a soft cloth dampened with a mild solution of dishwashing liquid. Rinse with clean warm water and dry thoroughly. Do not use scouring powders, bleaching agents, solvents, acids, metals or nylon sponges when cleaning any part of your freezer. Metal polishes, waxes or furniture creams must not be used to clean the interior as damage to plastic surfaces may result.
SERVICE Before calling for the Service Engineer, which could be expensive: 1) 2) 3) 4) 5) 6)
Make sure the mains cable from the freezer is correctly connected to the power point. Check the mains switch is “ON”. Check the fuse is intact. See that the cold control is correctly set. Ensure that your freezer has air circulation behind and above. Close freezer door firmly and check gasket sealing.
USEFUL HINTS Ensure that when your freezer is to be out of Service for any length of time that the interior is carefully cleaned and dried, door left open and plug disconnected from mains socket. Carry out cleaning regularly. See that vibration noises are not caused by objects in contact with your freezer and each other. In the event of a breakdown call our Service Department on 0870 300 1010
WEEE: Disposal at end of life. This equipment, when being disposed of in an EU Member State, is subject to the Waste Electrical and Electronic Equipment Regulations (WEEE) and must be recycled and disposed of in accordance with EU directive 2002/96/EC as applied in local laws of that State at the time of disposal. As this item is designed for medical or scientific use, before presenting for collection and disposal it will be necessary for the user to provide documentary evidence of decontamination and/or that it is entirely safe to handle and dismantle outside of a controlled environment. Goods that cannot be so certified fall outside the scope of the Directive and remain the user's responsibility to dispose of. Labcold recognises the benefit to the environment of this legislation and is designing products to allow more recycling and less impact on landfill. Please contact your vendor or local Labcold distributor for further advice on disposal of this product at the end of its useful life.
ALARM MAINS SUPERFREEZER
RLAA 5002 ELECTRONIC THERMOMETER WITH TEMPERATURE ALARM FEATURES •
LCD Digital Thermometer.
Current temperature, maximum and minimum memory display at the same time.
High/low temperature alarm function.
Alarm will sound and be repeated for 12 hours if not deactivated.
User selectable ºC or ºF temperature units of measure.
User selectable normal or fast sampling cycle.
Built-in low battery signal indication.
Alarm On/Off Switch
ºC/Fº Switch C
F High & Low Reset Battery Cover
REPLACING BATTERY The thermometer requires a single AA battery. If the ºC/ºF flashes the battery is low. Replace the battery by sliding the battery cover in the direction of the arrow and inserting the new battery as indicated by the polarity symbols (+ and -) marked inside the compartment. Note – Once the battery has been replaced the whole display will turn on for approximately 3 seconds, followed by the MAX/MIN DISPLAY MODE.
DISPLAY & FUNCTIONS
GENERAL OPERATION The unit has two operating modes: MAX/MIN DISPLAY MODE and HI/LO DISPLAY MODE. To change from one mode to another press MODE button once. The MAX/MIN DISPLAY MODE shows the current temperature along with the maximum and minimum temperature. Initially the maximum and minimum temperatures values will be the same as the current temperature, these will alter once changes in temperature are recorded. The HI/LO DISPLAY MODE shows the current temperature and the pre-set high and low temperature alarm limits. RESET MAXIMUM OR MINIMUM MEMORIES To reset both memories: In the MAX/MIN DISPLAY MODE press the MEMORY CLEAR button once. To reset individual Max or Min Memories: In the MAX/MIN DISPLAY MODE press either the MAX button or the MIN button once to reset the respective memory. The other memory will be unaffected. Note: Resetting a memory will result in the current temperature being displayed in the MAX or MIN memory display.
TEMPERATURE ALARM The alarm will sound for 1 minute if the current temperature crosses either the high or low temperature alarm limit. Unless the alarm is deactivated it will stop automatically after 1 minute to conserve power but will issue a 3 second repeater sound every minute for up to 12 hours. The repeater alarm will continue to sound until it is deactivated, even if the temperature later returns to normal limits. The HI or LO indicator will also flash continuously for up to 12 hours or until the alarm is deactivated.
DEACTIVATION OF ALARM When the alarm sounds it can be deactivated by pressing either the HI, LO or MEMORY CLEAR buttons. The alarm will automatically reset.
SETTING HIGH/LOW TEMPERATURE ALARM LIMITS To set the high temperature alarm limit press the HI button to increase by 1º steps. Press and hold the HI button to give fast advance. The same procedure applies for setting the low temperature alarm limit by pressing the LO button. The selection range is from -50ºC to +70ºC (-58ºF to +158ºF). There is a switch on the back of the thermometer for the selection of Celsius or Fahrenheit.
SAMPLING CYCLE There is a switch on the back of the thermometer to select NORMAL or FAST sampling cycles. NORMAL selects a 60 second sampling cycle and FAST selects a 10 second sampling cycle. Note – Reset the thermometer after any change to the sampling cycle.
MAINTENANCE Keep the thermometer dry. If it gets wet, wipe dry immediately. Liquids can contain minerals that will corrode the electronic circuits. Use and store the thermometer in normal temperature environments. Temperature extremes can shorten the life of electronic devices, damage the battery and distort or melt plastic parts. Handle the thermometer carefully. Dropping can damage circuit boards. Keep free of dust and dirt, which can cause premature wear of parts. Wipe the thermometer with a damp cloth occasionally. Do not use chemicals, cleaning solvents or strong detergents. Remove old or weak batteries. Do not attempt to modify or tamper with the thermometer’s components as this may cause a malfunction and invalidate the warranty.
Operating temperature: 0ºC to 50ºC (32ºF to 122ºF) Temperature measuring range:-50ºC to +70ºC (-58ºF to +158ºF) Temperature alarm setting range:-50ºC to +70ºC (-58ºF to +158ºF) Temperature display resolution:
Temperature sampling cycle:60 seconds (Normal) 10 seconds (Fast) Power source:
1 x AA battery
Approximately 12 months
93 gms (without battery)
115mmH x 64mmW x 17mmD
LABCOLD, Unit F, The Loddon Centre, Wade Road, Basingstoke, Hampshire. RG24 8FL