151
Parameter
■ 7900
Setting an electric booster heater
(accessory) fitted into the heating flow.
Otherwise it cannot be controlled by the
control unit.
!
Please note
If this parameter is used to block
the electric heater, then the
instantaneous heating water
heater cannot protect the system
against frost (frost protection
function).
To block, use "
Heating with
electro
" (parameter 7902) or
"
DHW with e heating
" (parame-
ter 6015, page 150).
Operating instructions
Access
■ "
Device settings
"
■ "
Programming
"
■ "
Electric heater
"
■
y
to "
Inst.htg.water heat
"
■
"YES"
or
"NO"
Standard setting
No
Setting range
Yes/No
Electric heating
Parameter
■ 7902
Heating operation with the instantane-
ous heating water heater.
Operating instructions
Control settings, electric heater
Instantaneous heating water heater
5368 522 UAE
Service
Summary of Contents for Vitocal 300-G BW
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