Operating instructions

97
"Heating with electro 7902"
Enabling heating mode with the instan-
taneous heating water heater (acces-
sory).
If the set flow temperature cannot be
achieved with the heat pump, an instan-
taneous heating water heater (acces-
sory) can be used.
Note
The instantaneous heating water heater
(accessory) has to be enabled sepa-
rately with parameter "Inst. heating
water heater 7900".
Valu
e
Explanation
"1" Instantaneous heating water
heater (accessory) is connected
and enabled for heating mode.
"0" Instantaneous heating water
heater (accessory) is disabled for
heating mode.
Delivered condition 1
Setting 1 / 0
7907 Max. stage instantaneous heating water heater
"Maximum stage, electric heating 7907"
This setting determines the maximum
output (stage 1, 2 or 3) of the instanta-
neous heating water heaters, with which
DHW or system heating is carried out.
Note
With the Vitocal 242-G, only stage 1 is
available for operation with maximum
output.
Delivered condition 1
Setting range 1
790A Stage at power-OFF
"Stage at power-OFF 790A"
Maximum output stage of the instanta-
neous heating water heater (accessory)
during the power-OFF.
The selected stage and all those below
it will be enabled.
Note
With the Vitocal 242-G, only stage 1 is
available for operation with maximum
output.
Parameter group electric heater
7902 Heating mode with booster heater
5441 603 GB
Service