SystemAir VR 250 ECH/B, Руководство по установке

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VR 250 ECH/B
Installation description
206609 (17-09-2010)
10
Systemair AB
GB
Even when cooker hood is connected to the VR 250 ECH/B, approximately full balanced ventilation is
maintained, also when extract from cooker is in operation. 16x16 cm vents could be installed for air supply
to tumble dryer and kitchen ventilator (one for each). An open window will also give the required air supply
to fireplace, kitchen ventilator and tumble dryer.
Electrical connection
The VR 250 ECH/B (pos.2, fig.10 ) is supplied with approx. 1 m cable and plug for 10A, 230V, and single
phase earthed connection.
The cooker hood
The VR 250 ECH/B is designed for connection to cooker hood (pos.1, fig.10 ). The cooker hood is
provided with approx. 1 m cable and plug for 10A, 230V, single phase earthed connection and approx.
1 m cable for potential free signal to unit. When opening the timer operated damper in the cooker hood,
the fans in the VR 250 ECH/B will automatically go to maximum capacity. Install a 2 lead wire for potential
free signal from cooker hood to the unit. The wire may be fixed to the extract duct or installed in electrical
tube.
Connect the cable from the cooker hood as shown in pos.1,
fig. 10a , by means of the provided plug.
Separate controller
VR 250 ECH/B is controlled from one or more separate control panels. For necessary signal between
control panel and unit, an unscreened, 4-lead cable (12V) can be installed. (Screened cable to be used in
areas exposed to EMC noise). Install extension cable with plugs (12V) between separate control panel,
and the unit (pos.3,
fig. 10a ). Alternatively install it between terminal blocks in control panel and unit
marked 12V, GND, Hi and Lo inside the unit (see wiring diagram). Use 4x0.22 or 0.5 mm
2
cable when
connecting between terminal blocks.
The controller is adaptable in ELKO frame system, and designed for both flush installation and for
installation on the wall by means of an 18 mm double frame. When more than one controller is installed,
use one or more double inlet plugs in the plug on the unit as necessary.
Fig. 10 Fig. 10a