Carel uChiller UCHBP00000200

35
ENG
µchiller +0300053EN rel. 2.2 - 14.12.2021
Installation
Analogue inputs
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.bs
Notice: the discharge temperature probe is automatically assigned type NTC-HT.
Digital inputs
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.bt
Digital outputs
Ref. Description Con guration parameters
C-NO1 Oil equalisation valve (tandem compressors only) Hc51; P017
C-NO2 Compressor 2 Hc52; C036
C-NO3 User pump 1 Hc53; U063
C-NO4 Reversing valve (*) Hc54; U066; S063; U065
C-NO5 Alarm Hc55; U064
C-NO6 Frost protection heater Hc56; Hc12
Tab. 2.bu
Notice: (*) 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
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.bv