Instruction/ maintenance manual of the product 18-1106-33 TRENDnet
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MultiT emp ® III User Manual 18-1 106-33 Edition AD A P H A R M A C I A B I O T E C H.
Reading this entire manual is necessary for full under- standing and safe use of this product. Should you have any comments on this manual, we will be pleased to receive them at: Pharmacia Biotech AB S-75182 Uppsala Sweden Pharmacia Biotech reserves the right to make changes in the specifications without prior notice.
Contents 1. Introduction ..................................................................... 3 2. Safety information ........................................................... 3 2.1 Safety precautions ...............................................
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1. Introduction and 2. Safety information 1. Introduction MultiT emp ® III circulates constant temperature liquid to external electrophoresis equipment. The liquid temperature range is -10 to +90 °C. The unit contains KLEA 134a*, an ozone friendly HFC-type coolant.
1. Introduction and 2. Safety information 7. Do not use the circulator beyond its specifications or for other than its intended use. 8. Do not touch the stainless steel bath cover and tubings when the unit is used at a high working temperature. Under these conditions, the surface temperature can rise up to approximately 70 °C.
1. Introduction and 2. Safety information General cut-off The heater , the compressor and the circulation pump can be switched off by a relay built into the unit. This general cut- off will be activated if a malfunction is detected by the safety sensors.
3. Installation 3. Installation 1. Check the contents against the packing list supplied. Inspect for any damage that may have occurred during transit. Report any damage immediately to your local Pharmacia Biotech representative and to the transport company concerned.
3. Installation Silicone tubing (inner diameter 8 mm) can be used over the entire working temperature range of the unit. PVC tubing can only be used in the temperature range of 10 to 60 °C. 1. Connect the inlet and outlet tubing to the nozzles on the rear of the circulator (Fig.
3. Installation liquid pour into a large vessel using hydrostatic pressure. The bath contains 3 litres of liquid, plus the volume in tubing and connected equipment. The last millilitres can be removed by opening the screw on the front of the unit, (see Fig.
4. Operation 4. Operation Fig. 2. Front panel of MultiT emp III. 1. Mode selector 6. Mains switch 2. Set value down 7. Control lamp cooling on/off 3. Set value up 8.
4. Operation the external system and the level in the bath will fall. Add more liquid until the level is once again 2 cm below the top plate. If the safety circuit is triggered, please top up with more liqu- id and restart the unit using . Repeat this action if necessary .
4. Operation 2. Use or to set the maximum allowed set tempe- rature. The factory pre-set value is 90.0 °C. 3. Confirm with before the display returns to the actu- al temperature value. Note: The new value is not saved until has been pres- sed. 1. Press to select the S mode.
4. Operation 5. Confirm with before the display returns to the actual temperature value. Note: The new value is not saved until has been pres- sed. 12.
5. T rouble shooting 5. T rouble shooting Message on display Cause Remedy The bath temperature has exceeded Pour in more liquid. the safety temperature limit. T oo low water level. Pour in more liquid. The winding of the pump motor is too hot. Check pump and wait a few minutes until the motor temperature has dropped.
6. Maintenance 6. Maintenance W arning! Always disconnect MultiT emp III from the mains (Pull out the mains plug) before maintenance and/or service. Service should be carried out by authorised personnel only .
6. Maintenance The circuit breaker (thermal fuses) for MultiT emp III are loca- ted on the rear of the unit. Note: If the circuit breaker has been triggered, there may be some delay before it can be released. Please push the circuit breaker button only; do not pull.
7. Detailed Description 7. Detailed Description MultiT emp III regulates temperature by balancing the effects of constant cooling and controlled pulses of heating. Constant cooling is provided by a built-in unit that includes a compressor , an air cooled liquifier and an evaporator (a coo- ling coil as heat exchanger) located in the chamber .
7. Detailed Description Mains Switch. Starts the cooling compressor and the pump motor that circulates the temperature controlled liquid. Activates the heater if the temperature set is greater than the actual temperature. Change the temperature value.
7. Detailed Description General cut-off The heater , the compressor and the circulation pump can be switched off by a relay built into the unit. This general cut- off will be activated if a malfunction is detected by the safety sensors.
7. Detailed Description Accurate Setting of T emperature Limit If a more accurate temperature limit is required, for example 50 °C, follow the procedure below . 1. Set the temperature limit switch to its highest value. 2. Set the working temperature to 50 °C according to Section 4.
7. Detailed Description Note: Although this feature activates the general cut-off, it is not a dedicated ”safety-function” of the type listed above. When the error message shown above is dis- played, the sensor must be exchanged by service per- sonnel.
7. Detailed Description T o start MultiT emp III in 8 mode ON, follow the instructions below: 1. Check that all tubings are firmly connected and secured with hose clamps. 2. Switch the power on with the mains switch. The display flashes . 3. Press for start.
8. T echnical specifiations 8. T echnical specifications T echnical specifications (ambient temperature 20 ° C) W orking temperature range -10 to 90 °C T emperature control constancy at 20 °C < ± 0.
9. Ordering information Designation Code No. MultiT emp III 100-120 V 18-1 102-77 MultiT emp III 220-240 V 18-1 102-78 Accessories Item Quantity Code No.
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Short instructions Note: The following short instructions are intended as a guide to users who are fully familiar with safety procedures and operating instructions described earlier in this manual. 1. Check to make sure that all tubings are firmly connected and secured with hose clamps.
An important point after buying a device TRENDnet 18-1106-33 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought TRENDnet 18-1106-33 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data TRENDnet 18-1106-33 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, TRENDnet 18-1106-33 you will learn all the available features of the product, as well as information on its operation. The information that you get TRENDnet 18-1106-33 will certainly help you make a decision on the purchase.
If you already are a holder of TRENDnet 18-1106-33, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime TRENDnet 18-1106-33.
However, one of the most important roles played by the user manual is to help in solving problems with TRENDnet 18-1106-33. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device TRENDnet 18-1106-33 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
