Carel µC2 User Manual

30
E N G L I S H
µC
2
- +030220731 - rel. 1.2 - 26.10.2007
4.3.8 Alarm setting parameters (P*)
display
indicat.
parameter and description default
level
min. max. U.O.M. variat. def. visibility supervis.
variable
Modbus variabile
type
P01 Flow switch alarm delay when starting the pump U 0 150 s 1 20 - 63 (R/W) 191 Integer
P02 Flow switch alarm delay during steady operation U 0 120 s 1 5 - 64 (R/W) 192 Integer
P03
Low pressure alarm delay at start-up U 0 200 s 1 40 - 65 (R/W) 193 Integer
P04 Enable part load in high pressure U 0 3 int 1 0 P 66 (R/W) 194 Integer
P05 Alarm reset
0= HP1-2/LP1-2/A1-2/Lt manual
1= HP1-2/LP1-2/A1-2/Lt automatic
2= HP1-2/A1-2/Lt manual LP1-2 automatic
3= HP1-2 manual LP1-2/A1-2/Lt automatic
4= HP1-2/LP1-2 manual A1-2/Lt automatic
5= HP1-2/LP1-2 (thrice per hour) manual A1-2/Lt automatic
6= HP1-2/LP1-2 (thrice per hour) manual; A1-2/Lt manual
F 0 6 Int 1 0 - 67 (R/W) 195 Integer
P06 Cooling/heating logic
0=: Chiller, : Heat pump
1=: Heat pump, : Chiller
F 0 1 Flag 1 0 - 19 (R/W) 19 Digital
P07 Low pressure alarm from transducer
0= Disabled 1= Enabled
F 0 1 Flag 1 0 P 68 (R/W) 196 Integer
P08 Digital input 1 selection
0= N 1=FL man. 2=FL auto.
3=TP man. 4=TP auto
5= TC1 man. 6= TC1 auto.
7= TC2 man. 8= TC2 auto.
9= Cool/Heat. 10= Cool/Heat. Delayed
11= LA man. 12= LA auto. 13= 2° Set 14= 2° Set timer
15= stop defrost c. 1 16= stop defrost c. 2
17= start defrost c. 1 18= start defrost c. 2
19= step 1 20 = step 2
21= step 3 22= step 4
F 0 22 Flag 1 0 - 69 (R/W) 197 Integer
P09 Digital input 2 selection F 0 22 Flag 1 0 - 70 (R/W) 198 Integer
P10 Digital input 6 selection F 0 22 Flag 1 0 X 71 (R/W) 199 Integer
P11 Digital input 7 selection F 0 22 Flag 1 0 X 72 (R/W) 200 Integer
P12 Digital input 10 selection F 0 22 Flag 1 0 X 73 (R/W) 201 Integer
P13
Configuration of B4 as P8 if /4=1 (digital input) F 0 22 Flag 1 0 - 74 (R/W) 202 Integer
P14 Configuration of B8 as /8=1 (digital input) F 0 22 Flag 1 0 X 75 (R/W) 203 Integer
P15 low pressure alarm configuration L
0= not active with compressor OFF
1= active with compressor OFF
F 0 1 Flag 1 0 - 76 (R/W) 204 Integer
P16 High temperature alarm set U -40.0 °C 0.1 80.0 - 38 (R/W) 38 Analog
P17 High temperature alarm delay at start-up U 0 250 min 1 30 - 77 (R/W) 205 Integer
P18 High pressure alarm set from transducer F 0 99.9 bar 0.1 20.0 P 39 (R/W) 39 Analog
P19 System low temperature alarm set point U -40.0 °C 0.1 10.0 - 40 (R/W) 40 Analog
P20 Enable system start-up protection
0= Disabled 1= Enabled
U 0 1 Flag 1 0 - 20 (R/W) 20 Digital
P21 Alarm relay management
0= normally de-activated
1= normally activated
F 0 1 Flag 1 0 - 8 (R/W) 8 Digital
Table 4.h
4.3.9 Control setting parameters (r*)
display
indicat.
parameter and description default
level
min. max. U.O.M. variat. def. visibility supervis.
variable
Modbus variabile
type
r01 Cooling set point D r13 r14 °C/°F 0.1 12.0 - 41 (R/W) 41 Analog
r02 Cooling differential D 0.3 50.0 °C/°F 0.1 3.0 - 42 (R/W) 42 Analog
r03
Heating set point D r15 r16 °C/°F 0.1 40.0 - 43 (R/W) 43 Analog
r04 Heating differential D 0.3 50.0 °C/°F 0.1 3.0 - 44 (R/W) 44 Analog
r05 Compressor rotation
0= disabled;
1= FIFO type
2= con controllo ore/hour control
3= direct relation between (D.I. and compressors D.O.)
F 0 3 flag 1 0 - 78 (R/W) 206 Integer
r06 Type of compressor control
0= proportional on inlet
1= proportional on inlet + dead zone
2= proportional on outlet
3= proportional on outlet + dead zone
4= time on outlet with dead zone
F 0 4 flag 1 0 - 79 (R/W) 207 Integer
r07 Dead zone differential F 0.1 50.0 °C/°F 0.1 2.0 - 45 (R/W) 45 Analog
r08 Activation delay at lower limit of r07 F 0 999 s 1 120 - 80 (R/W) 208 Integer
r09 Activation delay at upper limit of r07 F 0 999 s 1 100 - 81 (R/W) 209 Integer
r10 Deactivation delay at lower limit of r12 F 0 999 s 1 120 - 82 (R/W) 210 Integer
r11 Deactivation delay at upper limit of r12 F 0 999 s 1 100 - 83 (R/W) 211 Integer
r12 Compressor deactivation differential F 0 50.0 °C/°F 0.1 2.0 - 46 (R/W) 46 Analog
r13
Min. Cooling set point U -40.0 r14 °C/°F 0.1 -40.0 - 47 (R/W) 47 Analog
r14 Max. Cooling set point U r13 °C 0.1 80.0 - 48 (R/W) 48 Analog
r15 Min. Heating set point U -40.0 r16 °C/°F 0.1 -40.0 - 49 (R/W) 49 Analog
r16 Max. Heating set point U r15 176.0 °C 0.1 80.0 - 50 (R/W) 50 Analog

Carel µC2 Specifications

General

Brand	Carel
Model	µC2
Category	Controller
Language	English