84
ENG
µchiller +0300053EN rel. 2.2 - 14.12.2021
Parameter table
User Display Code Description Def. Min. Max. UOM R/W Modbus
S U056 User side delivery temp. probe: off set 0.0 -99.9 99.9 K/R R/W HR083 (2R)
S U057 Remote alarm: input logic - 0/1=NC/NO 001- R/WCS008
S U058 Cooling/heating input: logic - 0/1=NO/NC 101- R/WCS009
S x U059 Remote ON/OFF: input logic - 0/1=NO/NC 101- R/WCS010
S U060 User pump fl ow switch: input logic - 0/1=NO/NC 001- R/WCS011
S U061 User pump overload protector: input logic
0/1=NO/NC
001- R/WCS012
S U062 2nd set point: input logic - 0/1=NO/NC 101- R/WCS013
M U063 User pump: output logic - 0/1=NO/NC 001- R/WCS014
S U064 Global alarm relay: output logic - 0/1=NO/NC 001- R/WCS015
S U065 Free cooling valve: output logic - 0/1=NO/NC 001- R/WCS016
M U066 Frost protection heater: output logic - 0/1=NO/NC 001- R/WCS017
S U067 Alarm relay confi guration - 0/1=Control alarms/All 001- R/WCS018
S U068 Free cooling: enable - 0/1=no/yes 001- R/WCS019
S U069 Free cooling: activation diff erential 3.0 0.0 99.9 K/R R/W HR085 (2R)
S U070 Free cooling: hysteresis 1.5 0.0 99.9 K/R R/W HR087 (2R)
S U071 Design free cooling delta T 8.0 0.0 99.9 K/R R/W HR089 (2R)
S U072 Water free cooling: valve closing threshold 5.0 -999.9 999.9 °C/°F R/W HR091 (2R)
S U073 Water free cooling: valve closing diff erential 3.0 0.0 99.9 K/R R/W HR093 (2R)
M U074 Free cooling type
0=Air - 1=Remote coil - 2=Water
002- R/WHR095
S U075 Frost protection type
0=Heater - 1=Pump - 2=Heater/Pump
202- R/WHR096
M U076 Number of user pumps 112- R/WHR097
M U077 Type of unit
0= CH; 1= HP; 2= CH/HP
3= Condensing unit CH
4= Condensing unit CH/HP
004- R/WHR098
S U078 Unit pump in standby: enable On-Off cycles
0/1=No/Yes
001- R/WCS080
S U079 Unit pump in standby: On time 3 1 15 min R/W HR709
S U080 Unit pump in standby: Off time 15 3 99 min R/W HR710
S U081 Pressure alarm reset confi guration 707- R/WHR239
M U082 Frost protection type
0 = Evaporation temperature
1 = Water delivery temperature
001- R/WCS093
M U083 Type of automatic changeover
0: disabled
1: on outside temperature
2: on air return temp. (for legacy AA units only)
3: on delivery water temp. (AW and WW units only)
003- R/WHR6
M U084 Automatic changeover threshold (type 1 only (U083 =
1))
23 -99.9 99.9 °C/°F R/W HR765
U085 Automatic changeover dead band 2 0 99.9 K/R R/W HR772
U086 Automatic changeover set point lower limit 0 -99.9 999.9 °C/°F R/W HR774
U087 Automatic changeover set point upper limit 80 -99.9 999.9 °C/°F R/W HR776
U088 Frost protection heater position
0 = user
1 = source (WW units only)
2 = user and source (WW units only)
002- R/WHR769
Tab. 6.a
6.2 Compressor
User Display Code Description Def. Min Max UOM R/W Modbus
CMP = Compressor
S C000 Comp. 1 circuit 1: maintenance hour threshold(x100) 99 0 999 h R/W HR153
S C001 Comp. 1 circuit 1: reset hour counter 001- R/WCS023
S x C002 Comp. 1 circuit 1: operating mode
-0=AUTO - 1=OFF - 2=ON
002- R/WHR154
S C003 Comp. 2 circuit 1: maintenance hour threshold(x100) 99 0 999 h R/W HR155
S C004 Comp. 2 circuit 1: reset hour counter 001- R/WCS024
S x C005 Comp. 1 circuit 2: operating mode
0=AUTO - 1=OFF - 2=ON
002- R/WHR156
S C006 Comp. 1 circuit 2: maintenance hour threshold(x100) 99 0 999 h R/W HR157
S C007 Comp. 2 circuit 1: reset hour counter 001- R/WCS025
S x C008 Comp. 2 circuit 1: operating mode
0=AUTO - 1=OFF - 2=ON
002- R/WHR158
S C009 Comp. 2 circuit 2: maintenance hour threshold(x100) 99 0 999 h R/W HR159
S C010 Comp. 2 circuit 2: reset hour counter 001- R/WCS026
S x C011 Comp. 2 circuit 2: operating mode
0=AUTO - 1=OFF - 2=ON
002- R/WHR160
M C012 Min compressor on time 180 30 999 s R/W HR162
To Next Page
Loading...
