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ENGLISH
CADB/T-HE 40 to 54 models
The models of sizes 40 to 54 have three phase motors AC. The motors are controlled through
frequency converters included in the unit and wired. (Supply voltage: 230V/3Ph).
230V/1Ph/50Hz
230/400V
230/400V
L1: Stop/Start
L2: Alarm motor
L1: Stop/Start
L2: Alarm motor
MAIN
SWITCH
Supply motor
SUPPLY FAN
EXTRACT FAN
L5: “ “ Connection
L5: “ “ Connection
GREY
GREY
BROWN
BROWN
BROWN
BROWN
WHITE
WHITE
BLUE
BLUE
YELLOW/GREEN
YELLOW/GREEN
YELLOW/GREEN
YELLOW/GREEN
Supply motor
FREQUENCY
CONVERTER
FREQUENCY
CONVERTER
6.4.2.2. Connecting the By-pass
All heat recovery units of the CADB/T-HE ECOWATT range have an internal by-pass. The by-pass
damper is supplied with its actuator mounted (Supply voltage 230V). The actuator is wired to an
external terminal box or to the electrical board (depending on the version)
With the FC-REG accessory is possible to control the by-pass in free-cooling mode.
6.4.2.3. Connecting the electric batteries
The CADB/T-HE-DI versions are supplied with electrical batteries of postheating mounted in-
side the unit.
FIRE DANGER
To manage the internal electrical power (-DI versions) it is necessary to perform an external
electrical operation control board.