S&P CADB-HE ECOWATT Series Manual page 49

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).
MAIN
SWITCH
230V/1Ph/50Hz
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.
L1: Stop/Start
L2: Alarm motor
FREQUENCY
CONVERTER
Supply motor
GREY
BROWN
BROWN
BLUE
WHITE
YELLOW/GREEN
YELLOW/GREEN
L1: Stop/Start
L2: Alarm motor
FREQUENCY
CONVERTER
Supply motor
BROWN
BLUE
YELLOW/GREEN
GREY
BROWN
WHITE
YELLOW/GREEN
49
SUPPLY FAN
L5: " " Connection
230/400V
EXTRACT FAN
L5: " " Connection
230/400V