Connection To Power Mains - Vents VUT 300 V2 MINI EC A2 User Manual

Heat and energy recovery air handling unit
Table of Contents

Advertisement

CONNECTION TO POWER MAINS

THE UNIT MUST BE CONNECTED TO POWER SUPPLY BY A QUALIFIED ELECTRICIAN.
PROXIMITY AND PARALLEL TO THE CONTROL PANEL CABLE! DO
NOT COIL THE CONTROL PANEL CABLE WHILE LAYING ITS OUT.
The unit is rated for connection to 230 V / 50 (60) Hz power mains.
The unit must be connected to power mains using insulated electric conductors (cables, wires). The actual wire cross section
selection must be based on the maximum load current, maximum conductor temperature depending on the wire type, insulation,
length and installation method.
The external power input must be equipped with an automatic circuit breaker built into the stationary wiring to open the electric
circuit in case of overload or short-circuit. The circuit breaker installation place must provide quick access for emergency shutdown
of the unit. The trip current of the automatic circuit breaker
to the technical data table). The recommended trip current of the circuit breaker is the next current in the standard trip current row
following the maximum current of the connected unit. The automatic circuit breaker is not included in the delivery set.
A14 SENSOR CONTROL PANEL MOUNTING
Technical requirements to a cable for connection of the control panel to the unit: type - 4x0.25 mm
panel should be connected to the terminals 8, 9, 10 ad 11 of the X2 terminal block (refer to the External wiring diagram).
The unit has an option of additional external controls connection to the X2 terminal block, which is located on the hinged electrical
mounting plate of the control unit. Extra connections to the unit are shown in dotted lines in the External wiring diagram.
Connection of the automatic fire fighting system contact (PK)
Upon connecting the automatic fire extinguishing system contact remove the jumper between the terminals 1 and 2. In case of fire, the
normally closed dry contact breaks the control circuit from the central fire-fighting board and cuts off power supply to the unit.
www.ventilation-system.com
POWER OFF THE POWER SUPPLY PRIOR TO ANY OPERATIONS WITH THE UNIT.
THE RATED ELECTRICAL PARAMETERS OF THE UNIT ARE GIVEN ON THE
ANY TAMPERING WITH THE INTERNAL CONNECTIONS IS PROHIBITED
AND WILL VOID THE WARRANTY.
DO NOT LAY THE POWER CABLE OF THE UNIT IN CLOSE
EXTERNAL CONNECTION DIAGRAM FOR A2 AUTOMATION SYSTEM
Power supply
230 V/50 (60) Hz
EXTERNAL CONNECTIONS DIAGRAM FOR A14 AUTOMATION SYSTEM
MANUFACTURER'S LABEL.
QF
must exceed the maximum current consumption of the unit (refer
QF
XP
L
N
PE
+10V
CTR
GND
1
L
2
N
3
PE
4
5
+10V
6
CTR
7
GND
8
, length - up to 10 m. The control
2
13

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents