Grant Instruments LTC2 - Manual (Page 13)

LTC2 30933 V2
Operating Manual Page 12
www.grantinstruments.com
5.2.4 Product description, refrigeration unit rear panel
5.2.5 Setting the control temperature
The temperature of the circulation liquid can be set using the S button.
1. Whilst the display is showing the bath temperature, press the S button. This will
cause the display to flash indicating that it can be set.
2. Use the main dial to set the desired temperature.
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.
3. Press the S button to store the requested value and the display will revert to showing
the bath temperature.
If the temperature selected is higher than the current liquid temperature, the heater
light will come on.
5.2.6 Selecting liquid type
The liquid type determines the limits of the set temperature range.
1. Press the F button four times – the display will show the current liquid type.
2. Use the main dial to select the required liquid.
3. Press the S button to set the liquid type and return to normal temperature display.
Selection of the liquid types below changes the settable range as follows:
Liquid Set temperature range
H2O 0°C to 100°C
Oil 0°C to 120°C
LTL* -20° to 50°C
* LTL = low temperature liquid, for example 50% water/50% glycol
Not used on this model
Power supply for
accessory pumps
Power supply for control unit
(220-240V units only)
Mains inlet and
fuses
220-240V unit
Not used on this model
Power supply for
accessory pumps
Mains cable inlet
110-120V unit
Mains fuses