31
ENGLISH
µC
2
SE - +030220426 - rel. 2.0 - 03.08.2009
4.3.11 Control setting parameters (r*)
display
indicat.
parameter and description default
level
min. max. U.O.M. variat. def. visibility supervis.
variable
Modbus variable
type
r01 Cooling set point D r13 r14 °C/°F 0.1 12.0 - 41 (R/W) 41 Analog
r02 Cooling differential D 3 500 °C/°F 0.1 30 - 42 (R/W) 42 Analog
r03 Heating set point D r15 r16 °C/°F 0.1 400 - 43 (R/W) 43 Analog
r04 Heating differential D 3 500 °C/°F 0.1 30 - 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) 285 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) 286 Integer
r07 Dead zone differential F 1 500 °C/°F 0.1 20 - 45 (R/W) 45 Analog
r08 Maximum control output activation time F 0 999 s 1 120 - 80 (R/W) 287 Integer
r09 Minimum control output activation time F 0 999 s 1 100 - 81 (R/W) 288 Integer
r10 Maximum control output deactivation time F 0 999 s 1 120 - 82 (R/W) 289 Integer
r11 Minimum control output deactivation time F 0 999 s 1 100 - 83 (R/W) 290 Integer
r12 Compressor deactivation differential F 0 500 °C/°F 0.1 20 - 46 (R/W) 46 Analog
r13 Minimum set point in Cooling U -400 r14 °C/°F 0.1 -400 - 47 (R/W) 47 Analog
r14 Max. Cooling set point U r13 1760 °C/°F 0.1 800 - 48 (R/W) 48 Analog
r15 Min. Heating set point U -400 r16 °C/°F 0.1 -400 - 49 (R/W) 49 Analog
r16 Max. Heating set point U r15 1760 °C/°F 0.1 800 - 50 (R/W) 50 Analog
r17 Cooling compensation constant U -50 50 - 0.1 0 - 51 (R/W) 51 Analog
r18 Maximum distance from the set point U 3 200 °C/°F 0.1 3 - 52 (R/W) 52 Analog
r19 Start compensation temperature in cooling mode U -400 1760 °C/°F 0.1 300 - 53 (R/W) 53 Analog
r20 Start compensation temperature in heating mode U -400 1760 °C/°F 0.1 0 - 54 (R/W) 54 Analog
r21 Second cooling set point from external contact D r13 r14 °C/°F 0.1 120 - 55 (R/W) 55 Analog
r22 Second heating set point from external contact D r15 r16 °C/°F 0.1 400 - 56 (R/W) 56 Analog
r23 Select automatic changeover probe D 0 8 Flag 1 0 - 84 (R/W) 291 Integer
r24 Automatic changeover set point D r15 r16 °C/°F 0.1 400 - 61(R/W) 61 Analog
r25 Outside temp set point to stop compressors D -400 800 °C/°F 0.1 -400 - 65 (R/W) 65 Analog
r26 Cooling set point in dehumidifi cation D r13 r14 °C/°F 0.1 120 - 66 (R/W) 66 Analog
r27 Enable accumulation vessel suppression
0= Disabled
1= Enabled in cool
2= Enabled in Heat
3= Always enabled
F 0 3 Flag 1 0 - 88 (R/W) 295 Integer
r28 Min. compressor running time for low load/damper travel time F 0 999 s 1 60 - 89 (R/W) 296 Integer
r29 Chiller low load differential/freecooling differential F 10 500 °C/°F 0.1 30 - 58 (R/W) 58 Analog
r30 Heat pump low load differential/freeheating differential F 10 500 °C/°F 0.1 30 - 59 (R/W) 59 Analog
r31 Heating compensation constant U -50 50 - 0.1 0 - 60 (R/W) 60 Analog
r32 Hot Start set point D r15 r16 °C/°F 0.1 120 - 71(R/W) 71 Analog
r33 Hot Start differential F 3 500 °C/°F 0.1 30 - 72 (R/W) 72 Analog
r34 Enable Freecooling/Freeheating
0= disabled
1= freecooling / without compressors / cooling only
2= freecooling / with compressors / cooling only
3= freeheating / without compressors / heating only
4= freeheating / with compressors / heating only
5= freecooling and freeheating / without compressors / freecooling cooling only
and freeheating heating only
6= freecooling and freeheating / with compressors / freecooling cooling only
and freeheating heating only
7= freecooling / without compressors / always
8= freecooling / with compressors / always
9= freeheating / without compressors / always
10= freeheating / with compressors / always
11= freecooling and freeheating / without compressors / always
12= freecooling and freeheating / with compressors / always
F 0 12 Flag 1 0 - 116 (R/W) 323 Integer
r35 Compressor deactivation time with freecooling/freeheating active F 0 999 s 1 240 - 117 (R/W) 324 Integer
r36 Maximum damper operating time F 0 600 s 1 20 - 118 (R/W) 325 Integer
r37 Damper opening duty cycle differential F 03 500 °C/°F 0.1 30 - 73 (R/W) 73 Analog
r38 Damper closing duty cycle differential F 03 500 °C/°F 0.1 30 - 74 (R/W) 74 Analog
r39 Autotuning correction coeffi cient F 11 30 - 0.1 13 - 75 (R/W) 75 Analog
r40 Indicates when to operate minimum damper opening
0= never
1= only in freecooling
2= only in freeheating
3= in freecooling and in freeheating
4= only if the freecooling and freeheating conditions end
5= only if the freeheating conditions are not present
6= only if the freecooling conditions are not present
7= always
F 0 7 - 1 0 - 119 (R/W) 326 Integer
r41 Minimum damper opening F 0 100 % 1 0 - 120 (R/W) 327 Integer
r42 Freecooling operating threshold with compressors disabled. U A07 1760 °C/°F 0.1 50 - 81 (R/W) 81 Analog
r43 Heater set point
0= A4, A8 and A11 absolute values
1= A4 absolute value, A8 and A11 values relative to the set point
2= A4 value relative to the set point, A8 and A11 absolute values
3= A4, A8 and A11 values relative to the set point
F 0 3 - 1 0 - 121 (R/W) 328 Integer
r44 Inactivity time in Freecooling control F 0 240 - 1 5 - 123 (R/W) 330 Integer
Table 4.k
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