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Low voltage appliance connections
25. Power supply to the indoor module
2
Connection, input E1
Push connecting cable through cable entry.
Connect the connection cable for input E1 to terminals E1.
No external voltage may be connected to
input E1, as this could destroy the component.
Please note
Fig: Input E1 connection
Connection, input E2 / SAF
Push connecting cable through cable entry.
Connect the connection cable for input E2/SAF to terminals
E2/SAF.
No external voltage may be connected to
input E2/SAF, as this could destroy the
component.
(5kNTC header sensor SAF; alternatively 0-10 V)
Please note
Fig: Input E2 connection
2
Connection, outside temperature sensor
The outside sensor can be connected to the terminal strip of
the heat pump at connection AF, or to the terminal strip of the
control accessories.
No external voltage may be connected to
input AF, as this could destroy the component.
Please note
Fig: Connection, outside temperature sensor
Connection, cylinder sensor
Push connecting cable through cable entry.
Connect the connection cable for cylinder sensor (SF) to the
SF terminals as shown in the wiring diagram.
No external voltage may be connected to
input SF, as this could destroy the component.
Please note
Fig: Cylinder sensor (SF) connection
Connection, digital Wolf control accessories
(e.g. BM-2, MM, KM, SM1, SM2)
Only connect control units from the Wolf accessory range.
Each accessory is supplied with its own connection diagram.
Use a two-core cable (cross-section > 0.5 mm²) as the
connecting cable between the control unit accessory and the
BWL-1S (1 is + and 2 is -).
When installing the appliance in places
where there is a risk of high electromagnetic
interference, it is advisable to fit shielded
sensor and eBUS cables. The cable shield
should be connected at one end to the PE
potential in the control unit.
Please note
Fig: Connection, digital Wolf control accessories (eBUS interface)