VAV CAV conversion kit manual(A002)

4
| VAV control
4.2 Configuration
Input signal configuration
1. Go to Service menu
2. Enter password (default 1111)
3. Configure supply air transmitter input. Go to Input menu. Select UNIVERSAL tab. Select the analog input to which
supply air VAV/CAV transmitter is connected. Example if it is connected to UI2 on the connection board, then select
UNIVERSAL INPUT 2. Select signal type as Analog input and select Supply Air Fan Control (SAFC) from the
input type list.
4. Configure extract air transmitter input. Go to Input menu. Select UNIVERSAL tab. Select the analog input to which
extract air VAV/CAV transmitter is connected. Example if it is connected to UI3 on the connection board, then select
UNIVERSAL INPUT 3. Select signal type as Analog input and select Extract Air Fan Control (EAFC) from
the input type list.
Fan control configuration
Go to Service menu , enter Control Regulation menu and then Fan Control. In this menu, set Airflow
Type as Pressure.
Important
Changing the airflow type does not change P-band value automatically. P-band value have to be changed
manually after changing the airflow type.
Transmitter configuration
Set adjusted working range for the added VAV pressure transmitter.
1. Go to Service menu then enter Control Regulation and select Fan Control. In this menu enter Pressure
sensors.
2. Configure pressure at 0 V, pressure at 10 V and alarm pressure for both SUPPLY AIR FAN CONTROL and EXTRACT
AIR FAN CONTROL settings.
For example, if pressure transmitter measuring range is 0-500 Pa, then set: 0 V = 0 Pa; 10 V = 500 Pa. Measuring
range can be changed with DIP-swtiches on the transmitter.
Configure Airflow Level Settings
1. Go to Service menu then enter Control Regulation and select Fan Control. Change measurement units if
necessary.
2. Enter Airflow Level Settings menu.
3. Set Supply Airflow and Extract Airflow for all levels: MAXIMUM LEVEL, HIGH LEVEL, NORMAL LEVEL, LOW
LEVEL, MINIMUM LEVEL.
211528 | A002