Fig. 29. CARE icon
Table 28. Inputs
Inputs |
Functional description |
Connection Signal Name |
MixedWaterTemp |
mixed water temperature |
|
RoomTemp |
room air temperature |
|
ReturnWaterTemp |
return water temperature |
|
FilteredOATemp |
outside air temperature |
XXX |
RoomTempSp |
room temperature setpoint - time schedule or datapoint |
|
OptimEnable |
Optimization mode; 0;1 = no optimization 2 = optimum start: 3 = optimum stop, 4 = optimum start and stop |
- |
ContrPtAdj |
control point adjustment |
XXX |
ManSwCond |
manual switch condition |
XXX |
PumpStatus |
heating pump status - connected to the heating curve |
|
MaxThermostat |
maximum water temperature thermostat |
|
SummerSwitch |
summer switch; 0 = auto, 1 = summer |
XXX |
HolidaySwitch |
holiday switch; 0 = auto, 1 = holiday |
XXX |
DHWS_Priority |
domestic hot water priority |
XXX |
OverheatProt |
overheat protection |
XXX |
CondensProt |
condensation protection |
XXX |
DayExtension |
day extension |
XXX |
RoomSpRampIn |
room setpoint ramp input |
Table 29. Outputs
Outputs |
Functional description |
Connection Signal Name |
ValveControl |
heating valve |
|
CalcRoomTmpSp |
calculated room temperature setpoint |
|
CalcMWTempSp |
calculated mixed water temperature setpoint, use as heat demand |
XXX |
HeatDemand |
heat demand output to heat generators |
|
CalcRetTmpSp |
calculated return water temperature setpoint |
|
PumpCmd |
heating pump command |
|
SetpointSource |
setpoint source; 1 = summer switch; 2 = holiday switch ; 3 = wall module or day extension switch; 4 = time program |
|
EffOpMode |
effective operation mode; 1 = manual unoccupied; 2 = manual occupied; 3 = automatic |
|
LongFiltOATemp |
long term filtered outside air temperature |
|
OperationMode |
contains diagnostic information |
Table 30. Operation mode
DISP-05 |
Operation Mode |
Comments |
1 |
Unoccupied period |
RoomTempSp < SYS-01 |
2 |
Occupied period |
RoomTempSp >= SYS-01 |
3 |
Optimum start |
Optimum start is active |
4 |
Early off period |
Optimum stop is active |
5 |
Minimum MWT protection |
Total cooldown and MixedWaterTemp < MWT-10 – ½ MWT-07 and “FilteredOATemp” < OAT-03 and OperationMode <> 7 |
6 |
Maximum RWT control |
“ReturnWaterTemp” > “CalcRetTmpSp”– ½ RWT-05 |
7 |
OAT limits exceeded |
“FilteredOATemp” > OAT-02 or “LongFiltOATemp” > OAT-01 |
8 |
Minimum RMT protection |
“RoomTemp” is configured (<>999) and (“RoomTemp” < “RoomTempSp” or “RoomTemp” < RMT-02) and unoccupied period and OperationMode <> 7 |
9 |
Condensation protection/ DHWS priority request |
One of the inputs “DHWS_Priority” or “CondensProt” = 1 |
10 |
Heat override function |
Input “OverheatProt” = 1 |
11 |
Maximum temperature limitation by MXT |
Alarm at the input “MaxThermostat” |