Maico ECA piano STANDARD Montage- Und Betriebsanleitung Seite 12

UK │ Installation preparation
 ECA piano STANDARD, ECA piano TC:
If necessary, supply additional material
(e.g. foam strip), to fix the unit to the wall
or duct. Make sure there is a minimum
distance of 20 mm to the end of the
connector. Don't apply any adhesive to the
shutter bearing [6], see arrow.
ECA piano H:
Install foam strip as described before.
This is important to prevent the unit
from drawing any air in from outside.
7.5 Preparation for operation with
speed controller
Only with ECA piano STANDARD. Not
permitted for TC or H models.
 Remove shutters [6].
 Use an STU 1, ST 1 or STS 2,5 from the
Maico range of accessories.
The fan will not operate and
NOTICE
cause malfunctions if the
output voltage from the speed
controller is too low!
 Take note of the advice given
in the speed controller
operating instructions.
 Always set the minimum
speed at the speed controller,
such that the motor starts up
again after a power failure.
There can be vibration noises caused
i
by the phase control technology.
8. Assembly
8.1 Installation
If fitted incorrectly, the impeller
NOTICE
[7] will scrape causing malfunc-
tions and damage the device.
 Do not twist or distort the
housing [1] during installation.
 Make sure there is a flat surface.
12
 Check that housing [1] is aligned horizon-
tally.
 Fix the housing [1] in place with screws
(not supplied).
8.2 Electrical connection
Danger to life from electric
shock.
 Switch power off.
DANGER
Device damaged by short
circuit.
 Cut off the PE conductor and
CAUTION
any unused individual cores
and insulate them.
 Strip the cable.
 Only insert single cores in the device.
 Connect the power cable as shown in the
wiring diagram on Page 20.
 Adjust the potentiometer for TC and H
models. See also position "P" in Figure A.
 ECA piano TC potentiometer "P":
Factory set overrun time:
approx. 6 minutes (9 o'clock)
ECA piano H potentiometer "P1":
Factory set overrun time:
approx. 12 minutes (12 o'clock)
ECA piano H potentiometer "P2":
Humidity switching point
 setting to the far left: approx. 50% r.h.
 12 o´clock (see figure):
approx. 70 % r.h. (factory setting)
 setting to the far right: approx. 90 % r.h.