Vents VUT 300 WH EC User's Operation Manual - page 13
13
The unit is rated for connection to single-phase ac 230 V / 50 Hz.
Connect the unit to power supply by means of insulated, durable and thermal-resistant cords (cables,
wires) with respective cross section, in any case no less 2.5 mm
2
.
However, the given section value is tentative. The choice of the required wire section in each case
shall be based on the wire type, its maximum permissible heating temperature, its insulation, length
and installation method.
Use copper wires only.
Connect the unit to power mains through the terminal block in the junction box in compliance with
the wiring diagram, fig. 10 and the terminal marking.
Connect all the control and supply cables in compliance with the terminal marking!
Connect the unit to power mains through the external automatic thermal-magnetic circuit
breaker integrated into the fixed wiring system. The trip current must be in compliance with current
consumption, refer table 1.
Fig. 10. External wiring diagram
VUT .. VH ЕС
1. The unit comprises P1 only.
2. * - Connection option depending on the control panel type
3. ** - Max. wire length from the unit to the panel is 20 m!
4. *** - Cable length from remote control panel must not exceed 10 m!
Electric shock hazard!
Cadet Mini
Po
wer 230
V A
C
Design.
Name
Type
Wire***
Circulation pump
Supply air damper actuator
Extract air damper actuator
Heat medium regualting valve actuator
Contact from fire alarm panel
Remote control panel
mm
mm
mm
mm
mm
CONNECTION TO POWER MAINS
Connection of the unit to power mains is allowed by a qualified electrician with a
work permit for the electric units up to 1000 V after detailed study of the present user’s
manual.
The rated electrical parameters of the unit are shown on the rating plate. Any
internal connection modifications are not allowed and void warranty.