Service and Installation Manual
8
1. FRONT PANEL COMMANDS
To display target set point; in programming mode it selects a parameter or confirms an operation.
To start a manual defrost
To view the latest alarm occurrence; in programming mode it browses the parameter
codes or increases the display value
To view the latest alarm occurrence; in programming mode it browses the parameter
codes or decreases the display value
KEY COMBINATION
To lock & unlock the keyboard
To enter in programming mode
To return to the room temperature display
1.1 Function of LEDS
2.1 HOW TO SEE THE SETPOINT
1. Push and immediately release the
SET
key: the display will show the set point value.
2. Push and immediately release the
SET
key or wait for 5 seconds to display the sensor value again.
2.2 HOW TO CHANGE THE SETPOINT
1. Hold the
SET
key for more than 2 seconds to change the set point value.
2. The value of the set point will be displayed and the
LED starts blinking.
3. To change the set value push the
or
key within 10s.
4. To set a new point value, push the SET key again or wait 10s.
2.3 HOW TO START A MANUAL DEFFROST
1. Hold the
key for more than 2 seconds and the manual defrost will start
2.4 HOW TO LOCK THE KEYBOARD
1. Hold the
and
keys for more than 3s.
2. The “POF” message will be displayed and the keyboard will be locked. At this point, it will be possible only
to see the set point or the MAX or Min temperature stored.
3. If a key is pressed more than 3s the “POF” message will be displayed.
2.5 HOW TO UNLOCK THE KEYBOARD
2. MAIN FUNCTIONS
SOLID STATE THERMOSTAT DESCRIPTIONS
