SOLARFOCUS Therminator II, Installation Manual

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Electrical connection
30 Installation manual thermi
nator
II touch
Thermostatic Return Booster Module
Fig. 6-4
1 Boiler flow
2 Heating circuit or buffer tank flow
3 Bypass line
4 Boiler return
5 Return, heating circuit or buffer tank
6 Pump X15
7 Temperature sensor X32
8 Thermostatic Return Booster Module
9 Non-return valve
(not included in the scope of delivery)
7
Electrical connection
DANGER - There is a risk of fatal electric
shocks when working on electrical components
of the product (230 V AC).
Work may only be performed by qualified
electricians.
Applicable standards and regulations must
be observed.
7.1 Power supply for the heating sys-
tem
A separate power circuit is to be provided in the boiler
room for the heating system.
Mains connection: 230 V AC / 50 Hz C13 A; Specifica-
tion for the mains connection cable (e.g. in case of
replacement): cable SIHF-J 3x1.5 mm².
7.2 External boiler request (X28)
Potential-free relay output for switching an external
boiler, for example, an external boiler is controlled by
the SOLARFOCUS boiler control.
!
ATTENTION
–The connection is potential-free
and has a maximum load of 5A.
7.3 Fault (X29)
Potential-free relay output, for example, to switch a
warning device (optical/acoustic). Triggered in the
event of a malfunction on the boiler.
!
ATTENTION
–The connection is potential-free
and has a maximum load of 5A.
7.4 Parameter Function X51
Input; parameter can be found in the Service menu |
System parameter | Button General Settings ; three
options to choose from:
- External request : The SOLARFOCUS boiler can be
started by an external control.
- External boiler : Possible application - The exhaust
thermostat of a third-party boiler prevents the SO-
LARFOCUS boiler from starting.
- External message : Function - If contact X51 is
closed continuously for 10 seconds, a window
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