R Series
30934 V2
Operating Manual
Page 12
www.grantinstruments.com
5.3
Examples of use
This section provides examples of how the unit can be used to achieve specific
requirements.
5.3.1 Example 1
– Control at 10˚C using a T100 Optima unit & R2 unit
The following procedure can be used with a T100 and R2 unit for temperature control at
10˚C:
1. Fill the R2 tank with four litres of water.
2. Connect the Optima unit to the R unit using the interconnect main cable provided.
3. Connect the R unit to the mains using the cord provided.
4. Switch the R unit and Optima unit on.
5. Press the
F
button four times
– the display will show the current liquid type.
6. Use the main dial to
select “H2O” and press
S
button to save.
The liquid type will be set and unit unit will return to the normal temperature display.
7. Press the
S
button while the display is showing the bath temperature
This will cause the display to flash indicating that it can be set.
8. Use the main dial
to set the
temperature to 10˚C.
If no key is pressed for 10 seconds then the display will revert back to showing the
bath temperature and the set temperature will remain at its original value.
9. Press the
S
button to store the requested value and the display will revert to showing
the bath temperature.
5.3.2 Example 2
– Control at -25˚C using a TXF200 Optima unit & R3 unit.
The following procedure can be used with a TXF200 and R3 unit for temperature control
at -
25˚C:
1. Fill the R3 tank with four litres of 50% water + 50% antifreeze.
2. Connect the Optima unit to the R unit using the interconnect main cable provided.
3. Connect the R unit to the mains using the cord provided.
4. Switch the R unit and Optima unit on.
5. Set the liquid type to water-glycol following the menus below:
Rotate the dial until the
settings
icon is highlighted,
press the
S
button.
:
.
°c
.
°c