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5. Install the frame, the buttons and the end cover in the reverse
order.
The ventilator is operated either via the external control unit KVR-T or KSV- T (included in delivery set of the ventilators supplied with a
control system) or via the control unit KVR (KVS) and the transformer unit TRF 220/12-12 or TRF 220/12-40 (specially ordered accessories).
The ventilator is rated for connection to single-phase ac 230 V/50 Hz
or 120 V/60 power mains, depending on the used transformer type.
The control unit is a three-key switch with an integrated circuit board
and a power transformer (in case of KVR-T and KVS-T only). The control unit
is designed for installation in the junction box.
All electric connection to the control unit and the ventilator are
performed with the socket connectors for mounting and servicing
facilitation. Each mating part of a socket connector has a colour marking in
compliance with marking on the circuit board to ensure correct and quick
electric installation.
CONTROL UNIT
(GENERAL VIEW)
CONNECTION TO POWER MAINS AND CONTROL
DISCONNECT THE UNIT FROM POWER SUPPLY PRIOR TO ANY ELECTRIC INSTALLATION OPERATIONS.
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 ARE STATED ON THE RATING PLATE. ANY TAMPERING WITH THE
INTERNAL CONNECTIONS IS PROHIBITED AND WILL VOID THE WARRANTY.
Summary of Contents for TwinFresh Comfo RA-50
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