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6. ELECTRICAL INSTALLATION
In general, it is necessary to observe the provisions of ČSN 12 2002 and other related regulations. The device must be disconnected from the
mains during any inspection or service activities. The connection and earthing of electrical equipment must comply in particular with
ČSN 33
2000-5-51 ed.3, ČSN 33 2000-5-54 ed.3 and the ČÚBP and ČBÚ decrees on professional competence in electrical engineering no. 50.
The connection of the DUOVENT
®
unit equipped with the Digireg
®
I&C control system to the electrical distribution network is made by a separate
supply cable, which is not part of the delivery of the device.
Ventilation unit with heat recovery
DUOVENT
®
COMPACT DV
6.2 ELECTRIC HEATER CONNECTION
The cables of the electric heater are led to the terminal board of the electric heater and properly marked for the subsequent connection of the
control and management system. Type connection of the electric heater terminal block for DUOVENT
®
units:
SC… emergency thermostat with manual reset
SB… operating thermostat with automatic reset
!
CAUTION!
SB and SC safety devices must always be
connected to the contactor circuit of the
electric heater!
