Carel uChiller UCHBP00000200

33
ENG
µchiller +0300053EN rel. 2.2 - 14.12.2021
Installation
Analogue inputs - Master circuit 1
Ref. Description Type Con guration parameters
S1 Return temperature from user NTC Hc31
S2 Delivery temperature to user NTC Hc32
S3 Discharge temperature - Hc00
S4 Condensing pressure 0-5V Hc34; C040; 041; C042
S5 Evaporation pressure 0-5V Hc35; C037; C038; C039
S6 Not present - Hc03; U025; U026; U027
S7 Suction temperature NTC Hc04
Tab. 2.bj
Notice: the discharge temperature probe is automatically assigned type NTC-HT.
Analogue inputs - Slave circuit 2
Ref. Description Type Con guration parameters
S1 Not present NTC Hc41
S2 Not present NTC Hc42
S3 Discharge temperature - Hc00
S4 Condensing pressure 0-5V Hc44; C040; 041; C042
S5 Evaporation pressure 0-5V Hc45; C037; C038; C039
S6 Not present - Hc05; U025; U026; U027
S7 Suction temperature NTC Hc47
Tab. 2.bk
Digital inputs - Master circuit 1
Ref. Description Con guration parameters
ID1 User pump fl ow switch Hc14; U060
ID2 Compressor 1 overload Hc15; C035
ID3 High pressure switch C034
ID4 Not present Hc06; C035; U059; U058; U062; U057; U061
ID5 Remote alarm Hc07; C035; U059; U058; U062; U057; U061
ID6 2nd set point HC08; C035; U059; U058; U062; U057; U061
Tab. 2.bl
Digital inputs - Slave circuit 2
Ref. Description Con guration parameters
ID1 Pump 2 overload Hc16; U061
ID2 Compressor 1 overload Hc17; C035
ID3 High pressure switch C034
ID4 Not present Hc09; C035; U059; U058; U062; U057; U061
ID5 Not present Hc10; C035; U059; U058; U062; U057; U061
ID6 Not present Hc11
Tab. 2.bm
Digital outputs - Master circuit 1 Digital outputs - Slave circuit 2
Ref. Description
Con guration par-
am.s
Ref. Description
Con guration par-
am.s
C-NO1 Oil equalisation valve
(tandem compressors only)
Hc51; P017 C-NO1 Oil equalisation valve
(tandem compressors only)
Hc61; P017
C-NO2 Compressor 2 Hc52; C036 C-NO2 Compressor 2 Hc62; C036
C-NO3 User pump 1 Hc53; U063 C-NO3 User pump 2 Hc63; U063
C-NO4 Reversing valve (*) Hc54; U066; S063; U065 C-NO4 Reversing valve (*) Hc64; U066; S063; U065
C-NO5 Alarm Hc55; U064 C-NO5 Alarm Hc65
C-NO6 Frost protection heater Hc56; Hc12 C-NO6 Frost protection heater Hc66; Hc12
Tab. 2.bn Tab. 2.bo
Notices:
• BLDC compressor driven by Power+ speed drive.
• (*) the confi guration of the output depends on the type of unit: heat pump (reverse- cycle) => reversing valve; Chiller with free
cooling (master only) => FC valve; otherwise => Frost protection heater.
Analogue outputs - Master circuit 1
Ref. Description Type Con guration parameters Notes
Y1 Modulating/On-Off fan 0-10V Hc71 FCS1*0 /CONVONOFF
Y2 Not used 0-10V Hc72
Tab. 2.bp
Analogue outputs - Slave circuit 2
Ref. Description Type Con guration parameters Notes
Y1 Modulating/On-Off fan 0-10V Hc81 FCS1*0 /CONVONOFF
Y2 Not used 0-10V Hc82
Tab. 2.bq