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Recirculating Chiller 

Part No 09931/Issue 

10

                                                Page 

14

April

Maintenance  

 

All Grant laboratory products are designed to comply with IEC1010-1 and can be flash tested.
Some are fitted with radio frequency interference suppressers.  Therefore it is recommended that 
only a d.c. test is performed. 

 

Routine maintenance:  

 

Check monthly that dust is removed from the grilles. 

 

Check monthly that the line strainer which is fitted on the inlet pipe is clean, particularly when 
foreign particles can enter the pumped liquid. Switch off, and shut off and drain any head of 
liquid. Undo the strainer retaining nut on the underside of the brass fitting, remove the strainer 
and clean it. Refit by reversing the procedure. 

 

Inspect and replace where necessary any worn or damaged hoses. 

7.1  

Cleaning 

The case can be cleaned with a damp cloth after disconnection. Do not use solvents. 

 

Before using any decontamination or cleaning method except that recommended, check with our 
service department, or in other countries with our distributor, that the proposed method will not 
damage the equipment 

7.2  

Replacement of fuses 

 

Fuse replacement should only be carried out by a competent person. 

7.2.1    RC350G and RC400G 

 

Disconnect the unit from the power supply. 

 

Remove the IEC plug from the socket in the back of the bath. 

 

Press down the fuse drawer catch. 

 

Pull out the fuse drawer, check and replace with the correct fuses if necessary. 

 

The fuses should be 1.25 x 0.25 inch ceramic quick acting, rated: 10AF 240V. 

 

 Push back the drawer and replace the IEC plug. 

7.2.2    RC1400G and RC3000G 

 

Disconnect the unit from the power supply. 

 

Locate the fuses on the control unit rear panel to the power cable inlet. 

 

Use a screwdriver of correct size to turn the fuse holder cap a quarter turn anti-clockwise to 
release the fuse holder cap. 

 

Check and replace fuse if necessary. 

 

Replace with correct fuses. 

 

The fuse should be 1.25 x 0.25 inch ceramic quick acting rated 15AF 240V. 

 

Replace the fuse holder cap. 

Guarantee 

 

When used under laboratory conditions and according to these instructions this chiller is 
guaranteed for three years against faulty materials or workmanship.

9         Service

For service, ret

urn for repair to our Service Department or, in other countries, to our distributor

.

Grant Instruments (Cambridge) Ltd

                       Shepreth
                       Cambridgeshire.
                       SG8 6GB
                       England
                       Tel: +44 01763 260811
                       Fax: +44 01763 262410

Содержание CIR2020

Страница 1: ...Recirculating Chiller RC350G RC400G RC1400G RC3000G Operating Manual...

Страница 2: ...Recirculating Chiller Part No 09931 Issue 10 Page 2 April 2010...

Страница 3: ...ng 9 3 3 Over undertemperature alarm setting 9 3 3 1 Setting high alarm offset 10 3 3 2 Setting low alarm offset 10 3 4 Cooling 10 3 5 Tuning 10 3 6 Undertemperature thermostat 10 4 Safety devices 11...

Страница 4: ...on slots x If liquid is spilt inside the unit disconnect it from the power supply and have it checked by a competent person x It is the users responsibilty to carry out appropriate decontamination if...

Страница 5: ...te probe PRES Reservoir accessary pack PRES Reservoir 2 x Clips 2 x 3 8 to 1 2 adaptor 4 x M4 CSK screws Mounting instruction drawing Optional Remote Probe Rear view RC350G 400G 1400G chiller Wheels S...

Страница 6: ...can simplify the priming of systems when operating a Closed Loop system that has no filling port available on the suction side of the pump Attach the PRES reservoir to the rear panel of the circulator...

Страница 7: ...rature equal to the actual temperature Refer to section 3 2 for temperature setting In a closed loop system to prevent excessive pressures occurring when the liquid circulates system allowances for th...

Страница 8: ...attachment of an external alarm device a light or buzzer for example The contact ratings are 2A at 240V Connect the external alarm socket pins as follows Pin1 Ground Pin 2 Output Pin 3 Output 2 7 Remo...

Страница 9: ...this is highly energy efficient but means that the RC3000G can not be used for heating the most stable performance is achieved when cooling a large volume with a stable heat load 3 3 Over and undertem...

Страница 10: ...g the initial commissioning of the process However if the process under control subsequently becomes unstable because its characteristics have changed you can retune again at any time for the new cond...

Страница 11: ...en the flow starts 4 3 Overtemperature cut out This prevents the heater chamber from overheating If the temperature rises above 63 C the heater switches off and the alarms operate 4 4 High pressure cu...

Страница 12: ...start contact Grant s service department RC cannot heat to set temperature Cooler switched on Switch cooler off If this has no effect see below External cooling load too large for RC There is no recov...

Страница 13: ...Supply voltage 220 240V 50Hz RC350G RC400G RC1400G Class A RC3000G Temperature range 5 C to 60 C 10 C to 60 C 10 C to 60 C 10 C to 60 C Stability DIN 58966 20 C with 10L of water at 20 C with 25L of w...

Страница 14: ...Replacement of fuses Fuse replacement should only be carried out by a competent person 7 2 1 RC350G and RC400G Disconnect the unit from the power supply Remove the IEC plug from the socket in the bac...

Страница 15: ......

Страница 16: ...Grant Instruments Cambridge Ltd Shepreth Cambridgeshire SG8 6GB England Tel 44 0 1763 260811 Fax 44 0 1763 262410 Email labsales grant co uk www grant co uk...

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