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Danger!
e
Danger of damaging the PCB due to overload
The C1/C2 contact is a 24 V low-voltage con-
tact and may not under any circumstances be
used as a 230 V switching contact.
1
2
Fig. 5.5 Running the mains cable
• Run the mains cable (1) through the cable ducts (2).
If needed, also run the C1/C2 cable through the cable
ducts.
1
2
3
Fig. 5.6 Running the collector sensor cable
• Run the electrical cable (1) enclosed in the insulation
of the 2 in 1 solar copper pipe through the cable ducts
(2) for the collector sensor from the top side of the
cylinder to the controller (3).
Installation and maintenance instructions auroSTEP plus 0020077748_FT1
Caution!
a
Risk of damaging electric wiring!
Due to the high temperatures, the electric
wiring may not touch any components carrying
solar fluid.
P
Fig. 5.7 Wiring the sensor cable
• Open the controller box by loosening the screw and
fold the cover up.
• Wire the controller according to the hydraulic plan
(see Figs. 5.8 and 5.9).
• Connect the sensor cable (1) to the KOL1 ProE System
terminals provided.
• If required, also connect the C1/C2 cable to the C1/C2
ProE System terminals provided.
• Secure the cables with the accompanying cable
clamps (2).
• Fold the control panel back down.
• Close the cover and secure it with the existing screw.
Wiring according to hydraulic plan
To simplify installation, two hydraulic plans are stored in
the controller. The relevant plan must be selected.
The hydraulic plans show possible system configura-
tions, in which some system components are optional.
a
Caution!
These hydraulic plans are only schematic
representations and cannot be used for the
preparation of the hydraulic piping.
Installation 5
2
1
15
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