Wolf CGB-2 Series Installation Instructions For Contractors page 42

Parameter HG13
Function input E1
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24. Parameter description
The functions of input E1 can only be checked and set directly on the boiler under
parameter HG13 using the AM display module or BM-2 programming module.
Display Designation:
none no function (factory setting)
Input E1 is ignored by the control unit.
RT Room thermostat
With input E1 open, heating mode will be
disabled (summer mode), regardless of any digital
Wolf control accessories*.
DHW DHW disabled/enabled
With input E1 open, DHW heating will be disabled, regardless of any
digital Wolf control accessories.
RT/DHW Heating and DHW disabled/enabled
With input E1 open, heating mode and DHW heating will be disabled,
regardless of any digital Wolf control accessories*.
Zirkomat Zirkomat (DHW circulation remote control)
When input E1 is configured as the DHW circulation remote control,
output A1 is automatically set to "DHW circulation pump" and is
blocked for further settings. When input E1 is closed, output A1 is
activated for 5 minutes. When input E1 has switched off and
30 minutes have elapsed, the remote control function is re-enabled for
the next operation.
BOB Operation without burner (burner disabled)
When contact E1 is closed, the burner is disabled.
Heating circuit pump, 3-way valve and cylinder primary pump continue
running in standard mode.
The burner is enabled in emissions test mode and in frost protection
mode.
Opening contact E1 enables the burner again.
Flue gas Flue gas/ventilation air damper
damper Function monitoring of the flue gas/ventilation air damper with floating
contact
Closed contact is a prerequisite for enabling burner in heating, DHW
and emissions test mode.
If input E1 is configured as a flue gas damper, output A1 is
automatically programmed as a flue gas damper and disabled for other
settings.
OWHA Operation without heating appliance (external disable)
When contact E1 is closed, the heating appliance is disabled. Burner,
heating circuit pump, feed pump, 3-way valve and cylinder primary
pump are disabled.
The heating appliance is enabled in emissions test mode and in frost
protection mode.
Opening contact E1 enables the heating appliance again.
Ext. fault External fault (e.g. fault contact of condensate pumping station)
When contact E1 is open, fault message 116 is generated and heating
& DHW heating are disabled. Closing contact E1 enables heating and
DHW heating again. Fault message 116 is cancelled.
* When heating is disabled, frost protection mode and emissions test mode will
remain enabled.
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