Velleman VMB1TSW User Manual download pdf (Page 23)

Passive cooling of a bedroom

During summer time the bedroom is cooled via a fan that extracts air from a cooler room.

Mount a temperature sensor in both rooms. The temperature sensor of the bedroom is set to cooling mode and the

cooling output is linked to a relay channel that controls the fan.

When the temperature in the cooler room is about 3 degrees lower than the bedroom temperature the fan is activated.

Configuration:

The way to configure the system is to use the Velbus link program via a PC connected on the Velbus PC interface

(VMB1USB, VMB1RS of VMBRSUSB).

The configuration is now finished and the differential thermostat is enabled.

Remark:

The cooling will stop when the bedroom temperature reaches the preferred setting of its selected mode (anti-freeze,

night, day or comfort).

Cooler room

Bedroom

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Velleman VMB1TSW User Manual Page 23