Connections
NOTE
To prevent interference, unscreened communic-
ation and/or sensor to external connections
cables must not be laid closer than 20 cm to
high voltage cable when cable routing.
Power connection
F1226 must be installed with a disconnection option on
the supply cable. Minimum cable area must be sized ac-
cording to the fuse rating used. Enclosed cable for incom-
ing supply electricity is connected to terminal block X1
on the immersion heater board (AA1). All installations
must be carried out in accordance with current norms
and directives.
NOTE
F1226-12 contains scroll compressor, which
means that it is important that electrical connec-
tions are made with the correct phase sequence.
With the incorrect phase sequence, the com-
pressor does not start and an alarm is displayed.
If separate supply to the compressor and immersion
heater is required, see section "Switch for external
blocking of addition and/or compressor" on page 23.
Tariff control
If the voltage to the immersion heater and/or the com-
pressor disappears during a certain period, there must
also be blocking via the AUX-input, see "Connection
options - Possible selection for AUX inputs" page. 22
Connecting external operating voltage for
the control system
NOTE
Mark up any junction boxes with warnings for
external voltage.
If you wish to connect external operating voltage for the
control system to F1226 on the immersion heater circuit
board (AA1) the edge connector at AA1:X2 must be
moved toAA1:X9 (as illustrated).
Operating voltage (1x230V ~ 50Hz) is connected to
AA1:X11 (as illustrated).
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