Carel uChiller UCHBD00001230, User Manual

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48
ENG
μc0300053EN rel. 2.2 - 14.12.2021
User interface
Example
300053_100_R01 300053_101_R01 300053_102_R01
Go to the standard display. Press DOWN: CMP indicates that com-
pressor 1 is on (o) and compressor 2
is off (_). Press DOWN: EuP1 indicates the
evaporation temperature in circuit 1
(3.8°C).
300053_103_R01 300053_104_R01
Press DOWN: Cnd1 indicates the
condensing temperature in circuit 1
(40.8°C). To return to the standard display, press
PRG (corresponding to ESC).
4.3.2 Direct access functions
The user terminal only provides access to the basic confi guration parameters, such as direct functions and active alarms without
password protection, or, with password protection, to the parameters used to confi gure and optimise the unit.
Press DOWN for 3 s to access the direct access functions:
• set
point;
• switching unit on and off ;
• change operating mode (cooling/heating, only on reverse-cycle units);
• select unit of measure.
In programming mode, the bottom row shows the parameter code, and the top row shows the value.
Procedure
Press:
• DOWN for 3 s to access the parameters (User level, no password required);
• UP and DOWN to scroll and set the parameters;
• PRG to change the parameter value and save the changes;
• PRG (3 s) or ESC to return to the standard display.
300053_100_R01 300053_106_R01 300053_107_R01
1. Go to the standard display 2. Press DOWN for 3 s: the current
set point (SEtA) is shown - re-
ad-only
3. Press DOWN: the cooling set point
(SEtC) is shown
300053_107_R01 300053_108_R01 300053_109_R01
4. Press PRG: the value fl ashes; press
UP/DOWN to change the value;
PRG to confi rm.
5. Press DOWN: the heating set
point (SEtH) is shown - for heat
pump units only.
6. Press DOWN: the unit ON/OFF
function (UnSt) is shown.