Operation

ECA piano STANDARD

On/off with light switch or separate switch (both to be provided by the customer). Fan switches on/off immediately when the switch is pressed.

ECA piano TC with adjustable overrun time

On/off with light switch or separate switch (both to be provided by the customer). Fan switches off when, after activating the switch, the overrun time has elapsed. Overrun time of approx. 3...25 min., factory setting: approx. 6 Min.

ECA piano H with humidity control and adjustable overrun time

Function different, depending on connection variant.

Variant 1: Fan switches on automatically when the relative room humidity in the area of the fan exceeds the preset switching point. Switching off takes place after the humidity has fallen below the switching point and the set overrun time has elapsed. With additional switch S1, the fan can be taken out of operation.

Variant 2: Fan switches on automatically via humidity control (as in variant 1) or manually via light switch. With a relative room humidity over the switching point, the fan can no longer be switched off, not even with the light switch. The fan switches off when the room humidity in the area of the fan is under the switching point and the overrun time has elapsed.