Controller operating instructions
DEFROST/ UP START/ STOP
4 | 3 | 2 | 1 |
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5 | DOWN SET |
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Display Set Point: Press the SET key whilst in the HOLD Mode will display the set point for 5 seconds.
Modify Set Point: Press and hold the SET key for 2 seconds. The SET point will be displayed and the LED’s of the first and third digits will blink. To change the value, press the UP key to increase the value or the DOWN key to decrease. To store the new value either press the SET key or wait for the controller to return to displaying air temperature.
Manual Defrost: Press and hold the DEFROST/UP 
key for 2 seconds to initiate a manual defrost.
Starting the cycle: Press and hold the START/STOP 
key for 3 seconds.
Temporarily Stopping the Cycle:
Press and release the START/STOP 
key.
The condensing system will stop and the message “Stb” will be displayed.
To restart the cycle press and release the START/STOP 
key for the cycle to continue from the point it was interrupted.
Alternatively the cycle will restart automatically after the time set in parameter PAU (see parameter list on page ).
Stopping the Cycle: Press and hold the START/STOP 
until the display shows “End”, the buzzer will sound and the unit will enter the stand by mode.
LED’s and there meanings
A series of LED’s, number 1 to 4, on the front panel are used to indicate certain functions controlled by the controller. There functions are listed below.
LED | Mode | Function |
1 | Illuminated | Compressor Enabled |
1 | Flashing | Programming Phase (flashing with LED 2). |
1 | Flashing | Anti Short Cycle Enabled |
2 | Illuminated | Fan/s Enabled |
2 | Flashing | Programming Phase (flashing with LED 1). |
2 | Flashing | Activation Delay Active |
3 | Illuminated | Defrost Active |
3 | Flashing | Drip Time Active |
4 | Illuminated | Freezing Cycle or Hold Mode Active |
4 | Flashing | Instrument Temporarily Stopped |
5 | Illuminated | Alarm Signalling |
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