Rotex HPSU compact (V5) - Connection of the Electrical ROTEX Backup; Heater (Buxx)

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FA ROTEX HPSU compact (V5) • 
4 x Set-up and installation
4.5.13 Connection of the electrical ROTEX Backup
Heater (BUxx)
Ɣ Connect the power supply for the Backup Heater to the
terminal rail X1 of the switch board RTX-EHS (fig. 4-20) in the
regulation housing of the ROTEX HPSU compact.
Ɣ In
sert the plug XBUH1 of the Backup Heater on the back of
the regulation housing of the ROTEX HPSU compact.
Ɣ Set parameter [Function Heating] to "1" (see controller
operating instructions RoCon HP).
Connection variant 1
Connection variant 2
This component has a separate manual attached,
including among other things instructions for installation
and operation.
A Cabling provided by the customer (observe country-specific con-
nection conditions - request from r
esponsible power company
(EVU))!
Fig. 4-34 3-phase connection, backup heater (BU9c)
Fig. 4-35 Single phase connection Backup Heater (BU9c) 
(for legend see fig. 4-34)