7 Hydraulic connection
8.2.2 Pellet conveyor system (X14)
Suction system with suction auger
►
Connect the auger motor to the power element
X14, use cable 5x1.5 mm
2
.
5-pin connector, direct
extraction motor
Terminal
X14
on the power element
PE
PE (1)
N
N (2)
L3
L (3)
L2
TC(4)
L1
TC (5)
Third-party manufacturer system
Use e.g. for pellet box transfer unit auger and for the
pellet mole
(these systems have integrated motor–
thermal protection).
►
Bridge the two thermal contact terminals (TC) on
the power element.
►
Use 3x1.5 mm
2
cable
8.2.3 External boiler request (X28)
Potential-free relay output for switching an external
boiler, for example, an external boiler receives a
release from the SOLARFOCUS boiler control.
!
ATTENTION
– The connection is potential-
free and has a maximum load of 5A.
8.2.4 Operating fault (X29)
Potential-free relay output, for example, to switch a
warning device (optical/acoustic). Triggered in the
event of a operating fault on the boiler.
!
ATTENTION
– The connection is potential-
free and has a maximum load of 5A.
8.2.5 External request (X51)
Input, i.e., the SOLARFOCUS boiler can be started
by an external control.
!
ATTENTION
- The connection must be poten-
tial-free.
8.2.6 Installing the emergency OFF switch
Austria: Combustion systems for which a boiler room
is required must be equipped with an emergency
OFF switch, which must not have an effect on the
room lighting. It must be situated immediately outside
the access door and labelled clearly and visibly. This
switch may also be located inside the boiler rooms,
immediately next to the access doors, but only if the
boiler rooms can be accessed from outdoors.
►
Integrate the emergency OFF switch into the boi-
ler's safety chain, connection
X21
►
Connect other components integrated in the
safety chain in series ("loop through")
Installation manual
pelletelegance
35
