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Service and Installation Manual
8
SOLID STATE THERMOSTAT DESCRIPTIONS
1. FRONT PANEL COMMANDS
To d is pla y targ et se t poin t; in pr ogr am min g mod e it s el ect s a pa ra met er or c onfi rm s a n oper at ion .
To s ta rt a manu al de fr ost
To v ie w t he lat es t a la rm o cc urr en ce; i n pr og ram mi ng mo de it bro ws es the parameter
codes or increases the display value
To v ie w t he lat es t a la rm o cc urr en ce; i n pr og ram mi ng mo de it bro ws es th e pa ra met er
codes or decreases the display value
KEY COMBINATION
To l oc k & u nloc k the k eyb oa rd
To e nt er in pro gr amming mode
To r et urn to th e room t emp er atu re dis pl ay
1.1 Function of LEDS
2. MAIN FUNCTIONS
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
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