Unit overview

1

Electronic circuit boards [1.1] to [1.4]

2

Housing with motor and impeller

3

Cable grommet – flush-mounted connection

4

Cable grommet – surface-mounted connection

5

Electronics cover [5.1] or [5.2]

6

Internal grille or internal shutter

6.1

Fixed internal grille

6.2

Electric internal shutter (K-units)

6.3

Thermo-bimetal (K-units)

7

Cover [7.1] or [7.2]

8

Designer cover

9

Sensors

9.1

Motion sensor (B, KB)

9.2

Humidity sensor (H, KH, RCH, KRCH)

10

LEDs for pos. [11] and [12]

11

Setting button for start delay,
teach-in button for RC and RCH units

12

Setting button for overrun time/LED (RC units)

13

Spring terminal

S1

Rating plate / ECA 150 ipro circuit diagram

S2.1/S2.2

Rating plate / ECA 150 ipro K circuit diagram