Inputs and Outputs

Fig. 18.   CARE icon

Table 22.   Inputs

Inputs

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


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 23.   Outputs

Outputs

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

XXX

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 24.   Operation mode

DISP-05

Operation Mode


1

Unoccupied period

RoomTempSp < SYS-01

2

Occupied period

RoomTempSp >= SYS-01

3



4



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”