Network Variables

DischargeTemp

ºC

RO

1000

AV0

N/a

Discharge Air Temperature sensor reading

ReturnTemp

ºC

RO

1002

AV1

N/a

Return Air Temperature sensor reading

OutsideTemp

ºC

RO

1004

AV2

N/a

Outside Air Temperature sensor reading

ReturnWTemp

ºC

RO

1006

AV3

N/a

Return Water Temperature sensor reading

DischargePress

Pa

RO

1008

AV4

N/a

Discharge Air Pressure sensor reading

ReturnPress

Pa

RO

1010

AV5

N/a

Return Air Pressure sensor reading

CO2

ppm

RO

1012

AV6

N/a

CO2 concentration sensor reading

DischargeHum

%RH

RO

1014

AV7

N/a

Discharge Air Humidity sensor reading

ReturnHum

%RH

RO

1016

AV8

N/a

Return Air Humidity sensor reading

CoolLimTemp

ºC

RO

1018

AV9

N/a

Cooling Limit air temperature sensor reading

MedMixExTemp

ºC

RO

1020

AV10

N/a

Medium, Mixing or Exhaust Temperature sensor reading

OutsideHum

%RH

RO

1022

AV11

N/a

Outside Air Humidity sensor reading

PlantMode

N/a

RO

1038

MV0

N/a

Plant Mode reading set according to schedule event

Modbus

BACnet

0 – Off

2 – Night cycle

4 – Occupied period

1 - Off

3 - Night cycle

5 - Occupied period

ERdiffPressure

N/a

RO

2000:0

BV0

N/a

Differential pressure switch on the exchanger status reading

Filters

N/a

RO

2000:1

BV1

N/a

Differential pressure switch on the filters - common status reading

Thermostat

N/a

RO

2000:2

BV2

N/a

(Pre)Heater freeze thermostat status reading

PreHPumpStatus

N/a

RO

2000:3

BV3

N/a

(Pre)Heater pump status reading

FanDiffPressure

N/a

RO

2000:4

BV4

N/a

Differential pressure switch on the fans -common status reading

OperationSwitch

N/a

RO

2000:5

BV5

N/a

Manual operation switch status reading

HumidifierStatus

N/a

RO

2000:6

BV6

N/a

Humidifier status reading

ReHPumpStatus

N/a

RO

2000:7

BV7

N/a

ReHeater pump status reading

Hygrostat

N/a

RO

2000:8

BV8

N/a

High Limit Hygrostat status reading

ERStatus

N/a

RO

2000:9

BV9

N/a

Exchanger status reading

Reset

N/a

RO

2001:15

BV21

N/a

Manual reset input reading (for MIX18 only)

DischargeFanControl

%

RO

1024

AV12

N/a

Discharge Fan Control output reading

ReturnFanControl

%

RO

1026

AV13

N/a

Return Fan Control output reading

ERControl

%

RO

1028

AV14

N/a

Exchanger Control output reading

PreHeatValve

%

RO

1030

AV15

N/a

(Pre)Heater Valve actuator output reading

CoolValve

%

RO

1032

AV16

N/a

Cooler Valve actuator output reading

ReHeatValve

%

RO

1034

AV17

N/a

ReHeater Valve actuator output reading

HumidifierControl

%

RO

1036

AV18

N/a

Humidifier Control output reading

DampersCommand

N/a

RO

2000:10

BV10

N/a

Dampers Command output state reading

FansCommand

N/a

RO

2000:11

BV11

N/a

Fans Command output state reading

PreHeatPump

N/a

RO

2000:12

BV12

N/a

(Pre)Heater Pump Command output state reading

ERCommand

N/a

RO

2000:13

BV13

N/a

Exchanger Command output state reading

HumidifierCommand

N/a

RO

2000:14

BV14

N/a

Humidifier Command output state reading

ReHeatPump

N/a

RO

2000:15

BV15

N/a

ReHeater Pump Command output state reading

FanFailureAlarm

N/a

RO

2001:0

BV16

N/a

Fan Failure Alarm state reading

PreHeatPumpAlarm

N/a

RO

2001:1

BV17

N/a

(Pre)Heater Pump Failure Alarm state reading

ReHeatPumpAlarm

N/a

RO

2001:2

BV18

N/a

ReHeater Pump Failure Alarm state reading

ERFailureAlarm

N/a

RO

2001:3

BV19

N/a

Exchanger Failure Alarm state reading

HumidifierFailureAlarm

N/a

RO

2001:4

BV20

N/a

Humidifier Failure Alarm state reading

TempSetpoint

ºC

RW

1100

AV19

22

Room/Return Temperature setpoint

HumiditySetpoint

%RH

RW

1102

AV20

55

Room/Return Humidity setpoint

CO2Setpoint

ppm

RW

1104

AV21

600

Room/Return CO2 concentration setpoint

DischargePressureSpt

Pa

RW

1106

AV22

500

Discharge Fan Differential Pressure setpoint

DischargePressureSpt

Pa

RW

1108

AV23

500

Return Fan Differential Pressure setpoint

HeaterMode

N/a

RW

1200

AV24

2

Heater operating mode settings

1 – Water PreHeater as single Water Heater

2 – Water PreHeater & Water ReHeater use

EnergyRecovMode

N/a

RW

1202

AV25

1

Exchanger operating mode settings

0 – no exchanger

1 – Wheel exchanger

2 – CrossFlow exchanger

3 – Mixing Dampers as exchanger

4 – TwinCoil with Pump on Return

5 – TwinCoil with Pump on Discharge

CoolerMode

N/a

RW

1204

AV26

1

Cooler operating mode settings

0 – no cooler

1 – Water Cooler

HumidifierMode

N/a

RW

1206

AV27

1

Humidifier operating mode settings

0 – no humidifier

1 – Water humidifier

2 – Steam humidifier

EconomizerMode

N/a

RW

1208

AV28

1

Economizer operating mode settings

0 – no economizer function use

1 – Economizer function based on Return Air Temperature

2 – Economizer function based on Enthalpy

TempCtrlMode

N/a

RW

1210

AV29

1

Temperature control mode settings

1 – Cascade Temperature control

2 – Constant Discharge Temperature control

3 – Comfort Zone Temperature control

HumCtrlMode

N/a

RW

1212

AV30

1

Humidity control mode settings

1 – Comfort Humidity control

2 – Return Humidity control

3 – Discharge Absolute Humidity control

4 – Constant Discharge Absolute Humidity control

CO2Range

ppm

RW

1214

AV31

2000

CO2 concentration transmitter range

DisPressRange

Pa

RW

1216

AV32

1000

Discharge Differential Pressure transducer range

RetPressRange

Pa

RW

1218

AV33

1000

Return Differential Pressure transducer range

PlantSchedule

-

RW

1500

SCH0

N/a

AHU Plant Schedule