Electrical connection

Risk of damage to unit in the event of short-circuits.

  1. Insulate PE conductor and individual cable cores that are not required.
  2. Do not touch electric components.

With ECA piano H, incorrect measurement result due to defective humidity sensor.

Do not touch the humidity sensor on the small circuit board. The sensor can be damaged → incorrect measurement result.

  1. Only lay single cable cores in the unit. Remove the power cable cladding and insulate the ends of the cable cores.
  3. Connect power cable to terminal block → Wiring diagrams.
  4. ECA piano TC and H: Perform potentiometer settings → Position P in the Unit overview.

ECA piano TC

Set the overrun time with potentiometer P:
factory setting approx. 6 minutes (9:00 o'clock)

ECA piano H

Set the overrun time with potentiometer P1:
factory setting approx. 12 minutes (12:00 o'clock)

ECA piano H

Set the humidity switching point with potentiometer P2:
• Stop all the way to the left, approx. 50 % r. h.
• 12:00 o'clock(see figure), factory setting approx. 70%
• Stop all the way to the right, approx. 90 % r. h.