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CONNECTION TO POWER MAINS
DISCONNECT THE UNIT FROM POWER SUPPLY PRIOR TO ANY OPERATIONS WITH THE UNIT.
INSTALLATION SHALL ONLY BE PERFORMED BY A PROFESSIONAL ELECTRICIAN QUALIFIED FOR
UNASSISTED OPERATIONS WITH ELECTRICAL INSTALLATIONS UP TO 1000 V AFTER CAREFUL STUDY
OF THE PRESENT USER’S MANUAL.
THE RATED ELECTRICAL PARAMETERS OF THE UNIT ARE GIVEN ON THE MANUFACTURER’S LABEL.
ANY INTERNAL CONNECTION MODIFICATIONS ARE NOT ALLOWED AND RESULT IN WARRANTY LOSS.
DO NOT LAY THE CABLE IN CLOSE PROXIMITY TO THE CONTROL
PANEL CABLE! DO NOT COIL THE CABLE FROM THE CONTROL PANEL
IN LOOPS WHILE LAYING IT.
The unit is rated for connection to single-phase ac 230 V/50 (60) Hz.
Connect the unit to power mains using the pre-wired power cord with the Euro Plug XP. Connection is made through the external automatic
circuit breaker with magnetic trip integrated into the fixed wiring system. The rated current of the circuit breaker must not be below the unit current
consumption. The position of the automatic circuit breaker must ensure free access for quick power-off of the unit. The trip current must be not less than
the consumption current, refer to Technical data.
The control panel is connected to the unit by the manufacturer. A reconnection is possible. Technical requirements to a cable for connection of the
control panel to the unit: type - 4x0.25 mm
2
, length - up to 10 m.
To access the control unit, remove the mounting screws of the service side panel of the unit and take it off.
The unit has an option of connection of additional external controls. The unit must be connected to power mains using durable, insulated and heat-
resistant conductors (cables and wires) with minimum cross section not less than 1 mm
2
. Extra connected control units are not included in the delivery
set and must be ordered separately. They are shown in dotted lines in the External wiring diagram.
• PK - connection of the automatic fire extinguishing system contact.
Upon connecting the automatic fire extinguishing system contact remove the jumper between the terminals 11 and 12. The connection is
made through the normally closed dry contact that breaks the control circuit from the central fire-fighting board and cuts off power supply
to the unit.
• Connection of the external control unit contact, such as CO
2
sensor (NO, C).
Connect the CO
2
sensor to the 16 and 17 terminals. The connection is established by using a normally closed dry contact. If the dry contact is
closed, the unit turns to the maximum speed.
• HV2 (+U, 0-10V, GND) humidity sensor connection.
Connect the HV2 humidity sensor (not included in the delivery, can be ordered separately) to the contact socket in accordance with the
External wiring diagram.
• Connection of outer air dampers (SM1 supply air damper, SM2 exhaust air damper).
The air dampers and the actuator are not included in the delivery and can be purchased separately. For controlling the air dampers use the LF
230 BELIMO electric actuator with a voltage of 230 V and an open-close controlling. Connect the electric actuators to the 22 and 23 terminals.
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