S&P VFTM Series, Руководство пользователя

Страница: 23 / 56

23 23
ENGLISH
3.2. USE OF THE INVERTER IN PRESSURISED STAIRWELL SYSTEMS
3.2.1 Features
In this case, the equipment is used to guarantee a specific pressurised value in one room in relation to another.
A TDP-D differential pressure sensor with a display is necessary to start up this system.
The system will keep a value of 50 Pa in the pressurised building, as long as the TDP-D pressure sensor
range is 0 to 100 Pa. Check this before you start up the system.
The frequency inverter will start automatically when it receives power and will perform PI controller functions
3.2.2 Installation diagram
+ -
RECINTO
SOBREPRESIONADO
RECINTO A
PRESION
ATMOSFERICA
SONDA DE
PRESION TDP
VENTILADOR
VARIADOR
DE
FRECUENCIA
3.2.3 Wiring diagram
Follow the inverter-motor wiring diagram shown in the following illustrations depending on the type of motor used
and whether this motor has thermal protection:
-
Fig.2.1. Single phase power supply 1/230/50-60, three phase motor 230/400V without thermal protection and
0-10V signal (automatic reset)
- Fig.2.2. Three phase power supply 3/400/50-60, three phase motor 230/400 or 400V without thermal
protection and 0-10V signal (automatic reset)
- Fig.2.3. Single phase power supply 1/230/50-60, three phase motor 230/400V with thermal protection and 0-
10V signal (manual reset)
IMPORTANT: Before carrying out the wiring read the point 2.3 and 2.5 to determine the type of restart to
configure.
-
Fig.2.4. Three phase power supply 3/400/50-60, three phase motor 230/400 or 400V with thermal protection
and 0-10V signal (manual reset)
IMPORTANT: Before carrying out the wiring read the point 2.3 and 2.5 to determine the type of restart to
configure:
Check that the “ SW1 ” switch is in the “ SOURCE ” position
Install the indicated jumpers in the inverter terminal box.
Power the frequency inverter with suitable voltage for the inverter model in question.
The frequency inverter will start automatically when it receives power and will perform PI controller functions.
TDP PRESSURE
SENSOR
ROOM WITH
ATMOSPHERIC
PRESSURE PRESSURISED
ROOM
FAN
FREQUENCY
INVERTER