21
3061490_0709
Power supply
Connection input E1 (24 V)
Connect the cable for input 1 at terminals E1 in ac
-
cordance with the wiring diagram; first remove the jum
-
per between a and b from the respective terminals.
Fig.: Connection of room thermostat
The functions of input E1 can be scanned and adjusted with Wolf controllers with eBUS capability.
The following functions can be allocated to input E1:
Connection of outside temperature sen
-
sor
Fig.: Connection of outside temperature sensor
Digital Wolf controller connection (BM,
MM, KM, SM1, SM2)
Only connect control units from the Wolf accessory
range. Each accessory is supplied with its own con
-
nection diagram.
Use a 2-core cable (cross-section > 0.5 mm²) as
connection between the control unit and the gas fired
boiler.
Fig.: Digital Wolf controller connection (eBUS interface)
AF
E1
eBUS +
-
1
2
a
b
12
12
12
2
Code Explanation
0
No function
Input E1 is not taken into consideration by the control unit.
1
Room thermostat
With open input E1, heating operation will be blocked (summer mode), independent of any digital Wolf control acces
-
sories.
2
Maximum thermostat or system pressure switch
Optional connection for a maximum thermostat or system pressure switch. To enable the burner, input E1 must be
closed. As long as the contact is open, the burner will remain blocked for DHW and central heating, incl. emissions test
mode and frost protection.
3
Not allocated
4
Flow switch
Optional connection for an additional water flow switch.
After pump activation, input E1 must be closed within 12 seconds. Where this is not the case, the burner will be switched
OFF, and fault 41 will be displayed.
5
Monitoring the ventilation damper
See parameters of output A1, no. 7. ventilation damper.
8
Burner block (BOB))
Operation without burner
Contact closed, burnerblocked
Heating circuit pump and cylinder primary pump in standard mode
The burner is enabled in emissions test mode and in frost protection mode
Opening the contact enables the burner again
The outside temperature sensor may be connected to the
terminal strip of the boiler connection AF, or the terminal strip
of the BM.
AF
E1
eBUS +
-
1
2
a
b
1
2
1
2
1
2
2
AF
E1
eBUS +
-
1
2
a
b
1
2
1
2
1
2
2
Summary of Contents for CGB-35
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