Wolf MGK-130 Technical Manual And Installation Instructions page 21

Connection input E1 (24 V)
Connect the connecting cable for input 1 at terminals E1
in accordance with the wiring diagram; first remove the
jumper between a and b from the respective terminals.
The functions of input E1 can be scanned and adjusted with eBUS-enabled Wolf control accessories. The following
functions can be allocated to input E1:
Code Explanation
Without function
0
Input E1 is not taken into consideration by the control unit.
Room thermostat
1
With open input E1, heating operation will be blocked (summer mode), independently of any digital Wolf
control accessories.
Maximum thermostat / system pressure switch
2 A closed contact is a prerequisite for enabling the burner in heating and DHW mode. When the contact is
opened, the appliance switches the burner off and the pump run-on starts.
3
Not allocated
Flow switch
Optional connection for an additional water flow switch.
4
Input E1 must be closed within 12 seconds after the pump has been switched.
Where this is not the case, the burner will be switched OFF, and fault 41 will be displayed.
Monitoring, ventilation air damper (factory setting E1)
5
See parameters of output A1, no. 7 ventilation damper.
Connection, digital Wolf control accessories
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 condensing boiler.
Connection, outside temperature sensor
The outside temperature sensor for digital control
accessories may be connected to the terminal strip of
the AF boiler connection, or the terminal strip of the
control accessories.
3062880_0910
Electrical connection
Fig.: Connection, room thermostat
Fig.: Digital Wolf control accessories connection (eBUS
interface)
Fig.: Connection, outside temperature sensor
Floating
connection
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