Carel uChiller UCHBP00000200

92
ENG
µchiller +0300053EN rel. 2.2 - 14.12.2021
Supervisor table
Index Size Ref. Type Min/Max R/W UoM Description
64 1 BOOL R/W Unit ON/OFF command from BMS
66 1 P016 BOOL R/W P016 - Circ. 1 oil equalisation solenoid valve output logic (0 = NC, 1 = NO)
67 1 P017 BOOL R/W P017 - Enable oil equalisation function (0 = OFF, 1 = ON)
68 1 P018 BOOL R/W P018 - Enable oil recovery function (0 = OFF, 1 = ON)
69 1 P034 BOOL R/W P034 - Enable crankcase heater (0 = OFF, 1 = ON)
80 1 U078 BOOL R/W U078 - Enable burst function 4 (0 = Disabled, 1 = Enabled)
Tab. 7.a
7.2 Input Status
Index Size Ref. Type Min/Max R/W UoM Description
0 1 A01 BOOL R Unit - Error in number of retain memory writes
1 1 A02 BOOL R Unit: error when writing to retain memory
2 1 A03 BOOL R Unit - Remote alarm from digital input
3 1 A04 BOOL R Unit - Remote alarm set point out of range
4 1 A05 BOOL R Unit - User return water temperature probe broken or disconnected alarm
5 1 A06 BOOL R Unit - User delivery water temperature probe broken or disconnected alarm
7 1 A08 BOOL R Unit - User pump 1 overload
8 1 A09 BOOL R Unit - User pump 2 overload
9 1 A10 BOOL R Unit - Flow switch alarm, no fl ow with user pump 1 on
10 1 A11 BOOL R Unit - Flow switch alarm, no fl ow with user pump 2 on
11 1 A12 BOOL R Unit - User pump group alarm
12 1 A13 BOOL R Unit - User pump 1 maintenance
13 1 A14 BOOL R Unit - User pump 2 maintenance
14 1 A15 BOOL R Unit - High chilled water temperature
15 1 A16 BOOL R Unit - Source water/air return temperature probe broken or disconnected alarm
16 1 A17 BOOL R Unit - Source pump 1 maintenance
17 1 A18 BOOL R Unit - Free cooling fault
18 1 A19 BOOL R Circuit 1 - Discharge pressure probe broken or disconnected alarm
19 1 A20 BOOL R Circuit 1 - Condensing temperature probe broken or disconnected alarm
20 1 A21 BOOL R Circuit 1 - Suction pressure probe broken or disconnected alarm
21 1 A22 BOOL R Circuit 1 - Evaporation temperature probe broken or disconnected alarm
22 1 A23 BOOL R Circuit 1 - Discharge temperature probe broken or disconnected alarm
23 1 A24 BOOL R Circuit 1 - Suction temperature probe broken or disconnected alarm
24 1 A25 BOOL R Circuit 1 - High pressure alarm from pressure switch
25 1 A26 BOOL R Circuit 1 - High pressure alarm from transducer
26 1 A27 BOOL R Circuit 1 - Low pressure alarm from transducer
27 1 A28 BOOL R Circuit 1 - Evaporation temperature probe frozen alarm
29 1 A30 BOOL R Circuit 1 - Compressor 1 overload
30 1 A31 BOOL R Circuit 1 - Compressor 2 overload
31 1 A32 BOOL R Circuit 1 - Compressor 1 maintenance
32 1 A33 BOOL R Circuit 1 - Compressor 2 maintenance
33 1 A34 BOOL R Circuit 1 - Source fan 1 maintenance
34 1 A35 BOOL R Circuit 1 EVD - Low superheat (SH)
35 1 A36 BOOL R Circuit 1 EVD - Low evaporation pressure (LOP)
36 1 A37 BOOL R Circuit 1 EVD - Maximum evaporation pressure (MOP)
37 1 A38 BOOL R Circuit 1 EVD - Valve motor error
38 1 A39 BOOL R Circuit 1 EVD - Emergency closing
39 1 A40 BOOL R Circuit 1 EVD - Incomplete valve closure
40 1 A41 BOOL R Circuit 1 EVD - Offl ine
41 1 A42 BOOL R Circuit 1 envelope - General alarm + zone alarm
42 1 A43 BOOL R Circuit 1 BLDC - Pressure diff erence greater than allowed at start-up
43 1 A44 BOOL R Circuit 1 BLDC - Start-up failed
44 1 A45 BOOL R Circuit 1 BLDC - Low diff erential pressure
45 1 A46 BOOL R Circuit 1 BLDC - High gas discharge temperature
46 1 A47 BOOL R Inverter circuit 1 – Offl ine
47 1 A48 BOOL R Inverter circuit 1 - General alarm + error code
48 1 A49 BOOL R Unit - Circuit 2 board offl ine
49 1 A50 BOOL R Unit - Error in number of retain memory writes, circuit 2 board
50 1 A51 BOOL R Unit - Error when writing to retain memory, circuit 2 board
51 1 A52 BOOL R Circuit 2 - Discharge pressure probe broken or disconnected alarm
52 1 A53 BOOL R Circuit 2 - Condensing temperature probe broken or disconnected alarm
53 1 A54 BOOL R Circuit 2 - Suction pressure probe broken or disconnected alarm
54 1 A55 BOOL R Circuit 2 - Evaporation temperature probe broken or disconnected alarm
55 1 A56 BOOL R Circuit 2 - Discharge temperature probe broken or disconnected alarm
56 1 A57 BOOL R Circuit 2 - Suction temperature probe broken or disconnected alarm
57 1 A58 BOOL R Circuit 2 - High pressure alarm from pressure switch
58 1 A59 BOOL R Circuit 2 - High pressure alarm from transducer
59 1 A60 BOOL R Circuit 2 - Low pressure alarm from transducer
60 1 A61 BOOL R Circuit 2 - Evaporation temperature probe frozen alarm
62 1 A63 BOOL R Circuit 2 - Compressor 1 overload
63 1 A64 BOOL R Circuit 2 - Compressor 2 overload
64 1 A65 BOOL R Circuit 2 - Compressor 1 maintenance