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List of VAV Submenu Parameters Modbus Registers

Note

This section applies only to the Control Point VAV series.

Modbus address

Decimal address

HEX address

Register name

Access

Default value

Description

App configuration

41817

1816

0x718

VAV_DEVICE_TYPE

Read/write

False

Allows to choose VAV device control type from airflow demand (VAV also known as pressure independent) or from cooling/heating demand (VVT also known as pressure dependent):

false (VAV), true (VVT)

Connected to BV6 in VAV14-IP application

41818

1817

0x719

VAV_REHEATER_TYPE

Read/write

None

Allows to set the reheater type:

1: none

2: TimeProp

3: staged

4: float

Connected to MSV12 in VAV14-IP application

41819

1818

0x71A

VAV_PERIMETER_TYPE

Read/write

None

Allows to set the perimeter type:

1: none

2: TimeProp

3: digital

Connected to MSV13 in VAV14-IP application

41820

1819

0x71B

VAV_FAN_TYPE

Read/write

None

Allows to set the fan type:

1: none

2: series

3: parallel

Connected to MSV11 in VAV14-IP application

41821

1820

0x71C

VAV_DISCHARGE_TEMP_TYPE

Read/write

10K3A1 NTC

Allows to select the discharge temperature type:

1: Voltage measurement

2: Current

3: Resistance input

4: 10K3A1 NTC

5: 10K4A1 NTC

6: 10K NTC Carel

7: 20K6A1 NTC

8: 2,2K3A1 NTC

9: 3K3A1 NTC

10: 30K6A1 NTC

11: SIE1

12: TAC1

13: SAT1

14: PT1000

15: NI1000

16: NI1000 21C

17: NI1000 LG F

18: 10K Type2 NTC F

19: 10K Type3 NTC F

20: 20K NTC F

21: 3K NTC F

22: PT1000 F

23: NI1000 32F

24: NI1000 70F

Connected to MSV21 in VAV14-IP application

41822

1821

0x71D

VAV_SPACE_TEMP_TYPE

Read/write

10K3A1 NTC

Allows to select the space temperature type:

1: Voltage measurement

2: Current

3: Resistance input

4: 10K3A1 NTC

5: 10K4A1 NTC

6: 10K NTC Carel

7: 20K6A1 NTC

8: 2,2K3A1 NTC

9: 3K3A1 NTC

10: 30K6A1 NTC

11: SIE1

12: TAC1

13: SAT1

14: PT1000

15: NI1000

16: NI1000 21C

17: NI1000 LG F

18: 10K Type2 NTC F

19: 10K Type3 NTC F

20: 20K NTC F

21: 3K NTC F

22: PT1000 F

23: NI1000 32F

24: NI1000 70F

Connected to MSV22 in VAV14-IP application

41824

1823

0x71F

VAV_CO2_RANGE

Read/write

2000

Sets the range of the CO2 sensor used (min = 0, max = 10000)

Connected to AV38 in VAV14-IP application

41825

1824

0x720

VAV_HEATER_PRIORITY

Read/write

Reheater

Possibility to select heating priority for heating sources:

1: reheater

2: perimeter

3: simultaneous

Connected to MSV14 in VAV14-IP application

41826

1825

0x721

VAV_DUAL_HEAT

Read/write

False

Allows to enable dual heating mode with repeater/perimeter and damper (no effect without damper):

false (no), true (yes)

Connected to BV8 in VAV14-IP application

41827

1826

0x722

VAV_OCCUPANCY_CONTACT_TYPE

Read/write

False

Allows to invert the I1 input signal if required:

false (normal), true (invert)

Connected to BV4 in VAV14-IP application

41828

1827

0x723

VAV_WINDOW_CONTACT_TYPE

Read/write

False

Allows to invert the I2 input signal if required:

false (normal), true (invert)

Connected to BV5 in VAV14-IP application

41830

1829

0x725

VAV_DAMPER_DIRECTION

Read/write

CW

Sets the damper opening direction:

false (CW), true (CCW)

Connected to BV9 in VAV14-IP application

41831

1830

0x726

VAV_SPACE_TEMPERATURE_SOURCE

Read/write

Panel

Allows to choose the temperature source for control logic:

1: panel

2: input

3: network

Connected to MSV23 in VAV14-IP application

41832

1831

0x727

VAV_CO2_SOURCE

Read/write

Panel

Allows to select the CO2 source for control logic:

1: panel

2: input

3: network

Connected to MSV25 in VAV14-IP application

41833

1832

0x728

VAV_SETPOINT_OFFSET_SOURCE

Read/write

Panel

Allows to choose the setpoint offset source for control logic:

1: panel

2: input

3: network

Connected to MSV24 in VAV14-IP application

Airflow settings

41801

1800

0x708

VAV_MAX_FLOW_COOLING

Read/write

Metric: 400
Imperial: 800

Maximum airflow setpoint for cooling in the occupied state (min = 0)

Connected to AV11 in VAV14-IP application

41802

1801

0x709

VAV_MIN_FLOW_COOLING

Read/write

Metric: 100
Imperial: 200

Minimum airflow setpoint for cooling in the occupied state (min = 0)

Connected to AV12 in VAV14-IP application

41803

1802

0x70A

VAV_MAX_FLOW_HEATING

Read/write

Metric: 200
Imperial: 400

Maximum airflow setpoint for heating in the occupied state (min = 0)

Connected to AV13 in VAV14-IP application

41804

1803

0x70B

VAV_MIN_FLOW_HEATING

Read/write

Metric: 100
Imperial: 200

Minimum airflow setpoint for heating in the occupied state (min = 0)

Connected to AV14 in VAV14-IP application

41805

1804

0x70C

VAV_MIN_FLOW_STANDBY

Read/write

Metric: 50
Imperial: 100

Airflow setpoint in the standby state (min = 0)

Connected to AV15 in VAV14-IP application

41806

1805

0x70D

VAV_MIN_FLOW_UNOCCUPIED

Read/write

Metric: 25
Imperial: 50

Airflow setpoint in the unoccupied state (min = 0)

Connected to AV16 in VAV14-IP application

41807

1806

0x70E

VAV_FLOW_FAN_START

Read/write

Metric: 35
Imperial: 75

Airflow setpoint for a fan startup only (min = 0)

Connected to AV17 in VAV14-IP application

40288

287

0x11F

VAV_K_FACTOR_VALUE

Read/write

Metric: 100

Imperial: 1000

Sets the K-Factor (the flow rate at a differential pressure of 1 inWC/1 Pa on the measuring cross) for the given VAV model (min = 0)

Connected to AV61 in VAV14-IP application

Balancing

40027

26

0x1A

VAV_MENU_PASSWORD

Read/write

1000

Non-volatile password protecting access to commissioning menu

40286

285

0x11D

VAV_PRESSURE_SENSOR_RESET_TRIGGER


False

Allows to perform zeroing action on the built-in PI pressure transducer if there is a non-zero value in the absence of airflow

Important: perform in the absence of airflow through the pressure transducer ports

False (no), true (zeroing)

Connected to BV13 in VAV14-IP application

30287

286

0x11E

VAV_PRESSURE_SENSOR_VALUE

Read-only

N/a

Actual differential pressure sensor-measured value from the built-in pressure input

Connected to AI15 in VAV14-IP application

40288

287

0x11F

VAV_K_FACTOR_VALUE

Read/write

Metric: 100

Imperial: 1000

Sets the K-Factor (the flow rate at a differential pressure of 1 inWC/1 Pa on the measuring cross) for the given VAV model (min = 0)

Connected to AV61 in VAV14-IP application

30289

288

0x120

VAV_CALCULATED_DAMPER_POSITION

Read-only

N/a

Actual damper opening level coming from the Rotary Actuator component (Position Feedback signal)

Connected to AO0 in VAV14-IP application

30290

289

0x121

VAV_CALCULATED_FLOW

Read-only

N/a

Actual calculated airflow based on the K-Factor value and differential pressure measure

Connected to AI11 in VAV14-IP application

40291

290

0x122

VAV_DAMPER_COMMAND

Read/write

None

Allows to set different damper command modes for calibration, balancing, or testing:

1: Auto/none (null)

2: Max flow

3: Min flow

4: User flow

5: User position

6: Full open

7: Full close

8: Calibrate

Connected to MSV7 in VAV14-IP application

40292

291

0x123

VAV_FAN_COMMAND

Read/write

None

Allows to set different fan command modes for testing

1: Auto/none (null)

2: Max speed

3: Min speed

4: Stop

Connected to MSV8 in VAV14-IP application

40293

292

0x124

VAV_REHEATER_COMMAND

Read/write

None

Allows to set different reheater command modes for testing

1: Auto/none (null)

2: Full open

3: Full close

Connected to MSV9 in VAV14-IP application

40294

293

0x125

VAV_PERIMETER_COMMAND

Read/write

None

Allows to set different perimeter command modes for testing

1: Auto/none (null)

2: Full open

3: Full close

Connected to MSV10 in VAV14-IP application

40295

294

0x126

USER_DESIRED_DAMPER_POSITION

Read/write

0

User-set damper opening level (after selecting the User Position mode in the Damper Command variable) (min = 0, max = 100)

Connected to AV64 in VAV14-IP application

40296

295

0x127

USER_DESIRED_FLOW

Read/write

0

User-set airflow setpoint (after selecting the User Position mode in the Damper Command variable) (min = 0)

Connected to AV65 in VAV14-IP application

40297

296

0x128

USER_MEASURED_FLOW

Read/write

0

Allows to enter the airflow value measured by the hood for calibration

Connected to AV66 in VAV14-IP application