Viessmann Vitocal 300-G Installation And Service Instructions For Contractors page 110

Commissioning, inspection, maintenance
Further details regarding the individual steps
Pumps and other components
Pump/component
Secondary pump (for
heating circuit A1 without
heating water buffer cyl-
inder; no additional heat-
ing circuit pump
required)
Heating circuit pump A1
(in conjunction with heat-
ing water buffer cylinder
in addition to the secon-
dary pump)
Heating circuit pump and
mixer M2
Heating circuit pump and
mixer M3 (control via
extension kit for one
heating circuit with
mixer)
Circulation pump for cyl-
inder heating
DHW heating
with primary store sys-
tem:
■ Cylinder primary pump
■ 2-way shut-off valve
DHW circulation pump
110
Parameter
"System definition" Ó
"System scheme 7000"
"System definition" Ó
"System scheme 7000"
"System definition" Ó
"System scheme 7000"
"System definition" Ó
"System scheme 7000"
"System definition" Ó
"System scheme 7000"
"Internal hydraulics" Ó
"Enable three-way
diverter valve heating/
DHW 730D"
"External heat source" Ó
"Enable external heat
source for DHW heating
7B0D"
"System definition" Ó
"System scheme 7000"
Extended menu:
"Time prog. DHW circ."
(cont.)
Setting
"1" to "11"
With heating circuit A1 (for
heating circuit without mixer
A1)
With heating circuit M2 (for
heating circuit with
mixer M2)
With heating circuit M3 (for
heating circuit with mixer
M3)
Note
Set rotary switch S1 in the
extension kit to "2" (see
extension kit installation
instructions).
With DHW heating
"0"
"1"
With DHW heating
Setting a time program