Carel uChiller UCHBD00001230, User Manual

Page: 47 / 108

47
ENG
μc0300053EN rel. 2.2 - 14.12.2021
User interface
4.2.2 Icons
The icons indicate the device operating status and operating modes, as shown in the following table.
Icon Function
O
n Flashing
System pump Active In manual operation
Source device status (pump/fan) Active In manual operation
Compressor status Active In manual operation (with ExV)
Frost protection heater Active -
Operating mode Heating -
Cooling High water temperature
Defrost Dripping after defrosting
Free cooling -
Service Service request on exceeding opera-
ting hours Serious alarm, action required by qualifi ed
personnel
Tab. 4.c
4.3
S
tandard display
At start- up, the user terminal briefl y shows "NFC", indicating that the NFC interface is available on the
user terminal for communication with mobile devices, and then the standard display is shown. The standard display shows:
• on the top row: the delivery water temperature;
• on the bottom row, when the unit is on, the return water temperature; when the unit is off , it shows "OFF".
Note: "bLE" fl ashes on the display during "Bluetooth" communication.
4.3.1 Dashboard
From the main menu, press DOWN to access information on the status of the devices and the temperatures, superheat values,
etc. for the two circuits:
• unit "OFF" and the reason for shutdown:
– "diSP" from keypad;
– "dI" from remote contact (via digital input);
– "Schd" from time band (scheduler);
– "bMS" from BMS;
– "ChnG" from operating mode changeover (heating/cooling);
– "AlrM" from alarm.
• "CMP” compressors;
• "AFC1" source water delivery temperature circuit 1;
• "AFC2" source water delivery temperature circuit 2;
• "EuP1" evaporation temperature circuit 1;
• "SSH1" superheat circuit 1;
• "Cnd1" condensing temperature circuit 1;
• "dSt1" BLDC compressor discharge temperature circuit 1;
• "EuP2" evaporation temperature circuit 2;
• "SSH2" superheat circuit 2;
• "Cnd2" condensing temperature circuit 2;
• "dSt2" BLDC compressor discharge temperature circuit 2; and if the access level is "Service":
• "Hd00" supervisor address (BMS);
and if the access level is "Service":
• "Hd01" BMS baud rate;
• "Hd02" BMS communication parameters;
• "ESC" to exit the dashboard.