Technical data
 Ichill 200CX EVO  rev 1.1  14/11/2013 
Pag. 36 of 151 
13.  HOW TO SWITCH ON / SWITCH OFF THE UNIT 
SWITCH ON / SWITCH OFF THE ICHILL BY KEYBOARD 
Push and release the 
 key allows to start in chiller mode if CF58 =0, in heat pump if CF58 =1. When the 
unit is running the corresponding led is on. 
INPORTANT: To change from chiller to heat pump and viceversa the unit must be set in stand-by before 
continuing. 
Push and release the 
 key allows to start in heat pump mode if CF58 =0, in chiller if CF58 =1er. When the 
unit is running the corresponding led is on. 
INPORTANT: To change from chiller to heat pump and viceversa the unit must be set in stand-by before 
continuing. 
STAND- BY ( OR UNIT OFF, NOT RUNNING)
The unit is considered in stand by when the leds 
 and   are both off. The stand-by is reached each time 
the Chiller or the Heat Pump are turned off. During the stand by the user can: 
•  Show all the probe measurements 
•  Detect and reset the alarm events. 
SWITCH ON / SWITCH OFF THE ICHILL DIGITAL INPUT 
Turn on or off the unit from digital input 
 If a digital input is configured as remote ON/OFF: 
•  The digital input overrides the keyboard command. 
•  The keyboard can run only if the digital input is not active. 
•  When the digital input is not active the instrument restore its status (had before the digital input 
activation). 
14. SWITCH ON / SWITCH OFF THE CONDENSING UNIT BY DIGITAL 
INPUT 
DIGITAL INPUT CONFIGURED AS REGULATION REQUEST 
The machine has to be configured as condensing unit CF03 = 1. 
•  If the digital input is not active the unit is on stand-by and the display shows OFF 
•  If the digital input is active the unit is on and the display shows On 
Cooling or heating selection is done by keyboard; the display shows OnC in cooling and OnH in heating. 
If the machine has more compressors 
•  by “regulation request” digital input activation, first compressor will start 
•  other compressors will start when the digital input congigured as” Request step 2 (condensing unit), 
or Request step 3 (condensing unit), etc. are activated. 
With active contact if the unit is being switched off by keyboard it can be switched on by keyboard. If the unit 
is being switched off by keyboard, in order to switch on the unit from digital input it must be deactivated and 
activated. 
DIGITAL INPUT CONFIGURED AS CHILLER REQUEST 
The machine has to be configured as condensing unit CF03 = 1. 
•  If the digital input is not active the unit is on stand-by and the display shows OFF 
•  If the digital input is active the unit is on in cooling and the display shows OnC  










