Grant Instruments LTC2 - Manual (Page 11)

LTC2 30933 V2
Operating Manual Page 10
www.grantinstruments.com
5.2 Using the LTC2
5.2.1 Product description, control unit
5.2.2 Control unit product indicators
There are two indicator lights on the control unit:
 Heater on light (orange) marked
 Alarm light (red) marked
The alarm lamp will light to indicate the following faults:
 Float switch has operated due to low liquid level
 Over temperature cut out has operated
 Temperature probe fault
The cause of the alarm will also be shown on the display.
The display normally shows temperature in °C of the liquid being controlled.
The S(et) button is used to select and store values whilst the F(unction) button is used to
access menu options and cancel functions.
The main dial is used to change temperature values and other settable parameters.
Float switch
Display
Alarm light
Control dial
Heater on light
Pump outlet plate
Over-temperature dial
Select button
Function button