Power supply including safety switch must be installed by an authorized electrician.
The VPL 15/15T/25 unit must be connected according to the attached electrical chart.
The unit is delivered with 1m test cable for the CTS 600 panel. The panel should be connected to
the CTS 600 control in the unit with cable type 2x2x0.25mm
2
twisted in pairs. (Maximum length
50m).
The CTS 600 panel must be placed dry and frost-proof. The panels’ integrated feeler prevents fur-
ther cooling of the building if the primary heat-supply stops by stopping the ventilation if the panel
feeler gets below a specific value. (Factory setting is 10°C; the value can be set from 1°C to 20°C.)
Figure 1: CTS 600 control
If a water post-heating element is installed, the control valve and circulation pump must be elec-
tronically connected as described in the provided wiring diagrams.