VAV Submenu

The VAV submenu is especially dedicated to operate with the VAV14-IP controller from iSMA CONTROLLI, allowing for locally configuring of the VAV application and balancing of the controller.

App Configuration

In the Control Point panel’s VAV submenu dedicated to the VAV14-IP application, it is possible to configure the following parameters:

DEVT: allows to choose a device type between VAV and VVT;

• VAV_DEVICE_TYPE:

  • Modbus register: 41817;

  • BACnet object: BO68, property: Present Value;

REHT: allows to set a reheater type;

• VAV_REHEATER_TYPE:

  • Modbus register: 41818;

  • BACnet object: MSV10, property: Present Value;

PERT: allows to set a perimeter type;

• VAV_PERIMETER_TYPE:

  • Modbus register: 41819;

  • BACnet object: MSV11, property: Present Value;

FANT: allows to set a fan type;

• VAV_FAN_TYPE:

  • Modbus register: 41820;

  • BACnet object: MSV9, property: Present Value;

SPCS: allows to set a source for temperature readings;

• VAV_SPACE_TEMPERATURE_SOURCE:

  • Modbus register: 41831;

  • BACnet object: MSV15, property: Present Value;

SPCT: allows to set a space temperature type on the universal input 2;

• VAV_SPACE_TEMP_TYPE:

  • Modbus register: 41822;

  • BACnet object: MSV13, property: Present Value;

DIST: allows to set a discharge temperature type on the universal input 1;

• VAV_DISCHARGE_TEMP_TYPE:

  • Modbus register: 41821;

  • BACnet object: MSV12, property: Present Value;

OFFS: allows to set a source for setpoint offset settings;

• VAV_SETPOINT_OFFSET_SOURCE:

  • Modbus register: 41833;

  • BACnet object: MSV16, property: Present Value;

CO2S: allows to set a source for CO2 readings;

• VAV_CO2_SOURCE:

  • Modbus register: 41832;

  • BACnet object: MSV17, property: Present Value;

CO2R: allows to set a range for CO2 alarm settings;

• VAV_CO2_RANGE:

  • Modbus register: 41823;

  • BACnet object: AO37, property: Present Value;

HPRI: allows to select a priority order for the heat source;

• VAV_HEATER_PRIORITY:

  • Modbus register: 41825;

  • BACnet object: MSV14, property: Present Value;

DUHT: allows to enable a possibility to use one or two heat sources;

• VAV_DUAL_HEAT:

  • Modbus register: 41826;

  • BACnet object: BO69, property: Present Value;

OCCT: allows to select an occupancy contact type;

• VAV_OCCUPANCY_CONTACT_TYPE:

  • Modbus register: 41827;

  • BACnet object: BO66, property: Present Value;

WNDT: allows to select a window contact type;

• VAV_WINDOW_CONTACT_TYPE:

  • Modbus register: 41828;

  • BACnet object: BO67, property: Present Value;

DAMP: allows to set a damper actuator’s direction to open to clockwise or counterclockwise;

• VAV_DAMPER_DIRECTION:

  • Modbus register: 41830;

  • BACnet object: BO65, property: Present Value.

Flow Settings

In the Control Point panel’s VAV submenu dedicated to airflow settings, it is possible to configure the following parameters:

MAXC: allows to set a maximum airflow value for cooling;

• VAV_MAX_FLOW_COOLING:

  • Modbus register: 41801;

  • BACnet object: AO29, property: Present Value;

MINC: allows to set a minimum airflow value for cooling;

• VAV_MIN_FLOW_COOLING:

  • Modbus register: 41802;

  • BACnet object: AO30, property: Present Value;

MAXH: allows to set a maximum airflow for heating;

• VAV_MAX_FLOW_HEATING:

  • Modbus register: 41803;

  • BACnet object: AO31, property: Present Value;

MINH: allows to set a minimum airflow for heating;

• VAV_MIN_FLOW_HEATING:

  • Modbus register: 41804;

  • BACnet object: AO32, property: Present Value;

STBY: allows to set a minimum airflow in a standby state;

• VAV_MIN_FLOW_STANDBY:

  • Modbus register: 41805;

  • BACnet object: AO33, property: Present Value;

UNOC: allows to set a minimum airflow in an unoccupied state;

• VAV_MIN_FLOW_UNOCCUPIED:

  • Modbus register: 41806;

  • BACnet object: AO34, property: Present Value;

FANS: allows to set a minimum airflow value for a fan to start operating;

• VAV_FLOW_FAN_START:

  • Modbus register: 41807;

  • BACnet object: AO35, property: Present Value;

KFAC: allows to set a K-factor value according to the type of device for use in the airflow calculations;

• VAV_K_FACTOR_VALUE:

  • Modbus register: 40288;

  • BACnet object: AO23, property: Present Value.

Balancing

KFAC: sets the K-factor value to the airflow calculations;

• VAV_K_FACTOR_VALUE:

  • Modbus register: 40288;

  • BACnet object: AO23, property: Present Value;

FCAL: executes a calibration action according to a new maximum and/or minimum airflow value(s);

• VAV_CALCULATED_FLOW:

  • Modbus register: 40290;

  • BACnet object: AO25, property: Present Value;

PRES: allows to set a differential pressure (initially displayed value measured by the VAV);

• VAV_PRESSURE_SENSOR_VALUE:

  • Modbus register: 40287;

  • BACnet object: AO22, property: Present Value;

DAMP: allows to force an operating mode to a damper;

• VAV_DAMPER_COMMAND:

  • Modbus register: 40291;

  • BACnet object: MSV5, property: Present Value;

• USER_DESIRED_DAMPER_POSITION: user-set opening level (after selecting the USRF opting in the VAV_DAMPER_COMMAND variable);

  • Modbus register: 40295;

  • BACnet object: AO26, property: Present Value;

• USER_DESIRED_FLOW: user-set airflow setpoint (after selecting the USRP opting in the VAV_DAMPER_COMMAND variable);

  • Modbus register: 40296;

  • BACnet object: AO27, property: Present Value;

• USER_MEASURED_FLOW: allows to enter the airflow value measured by the hood for calibration;

  • Modbus register: 40297;

  • BACnet object: AO28, property: Present Value;

FAN: allows to force an operating mode to a fan;

• VAV_FAN_COMMAND:

  • Modbus register: 40292;

  • BACnet object: MSV6, property: Present Value;

REH: allows to force an operating mode to a reheater;

• VAV_REHEATER_COMMAND:

  • Modbus register: 40293;

  • BACnet object: MSV7, property: Present Value;

PER: allows to force an operating mode to a perimeter;

• VAV_PERIMETER_COMMAND:

  • Modbus register: 40294;

  • BACnet object: MSV8, property: Present Value;

Panel Access to the VAV Submenu

By default, access to the VAV submenu is hidden and password protected. In order to enter the VAV submenu:

• long-press the OK button;

• edit PIN (default: 0000);

• short-press the OK button.