2050 Operations Manual
Rev L 2/2/2018
Page 14 of 22
Changing the Temperature Set-point
The circulator has an operating temperature range of -15.0°C to 90.0°C. The default is
20.0°C. To change the operating temperature setpoint:
1) Press the key from the main menu, “SP" is displayed briefly
2) Press the to increase / decrease temperature setpoint (hold for scroll)
3) Press the key to save the setpoint
4) Press the key four times to return to the main menu
The refrigeration control is automatic; the refrigeration system is on for temperatures
below 45ºC, off for temperatures above 45ºC. Please consult the factory for other
configurations.
Changing the Low Temperature Tracking Alarm Level
The low temperature tracking alarm level is the deviation from the temperature
setpoint, which will cause a low temperature alarm. The low temperature tracking alarm
level is adjustable from -0.1 to -10.0. The default is -5.0, which indicates -5.0ºC below
setpoint. To change the low temperature tracking alarm level:
1) Press the key twice from the main menu, “AL.L" is displayed briefly
2) Press the to increase / decrease alarm level (hold for scroll)
3) Press the key to save the alarm level
4) Press the key three times to return to the main menu
Changing the High Temperature Tracking Alarm Level
The high temperature tracking alarm level is the deviation from the temperature
setpoint, which will cause a high temperature alarm. The high temperature tracking
alarm level is adjustable from 0.1 to 10.0. The default is 5.0, which indicates 5.0ºC
above setpoint. To change the high temperature tracking alarm level:
