Viessmann VITOCAL 300-A Installation And Service Instructions Manual page 56

Preparing for installation
DHW heating 1
(cont.)
Pos. Description
3
Cylinder temperature sensor, top
4
Cylinder temperature sensor, bottom (optional)
5
Circulation pump for cylinder heating (for type AW-O-M accessory; for
type AWC-I-M integral three-way diverter valve "Heating/DHW")
PCB (see page 71)
Required parameter (code to be entered by "Contractor": 5243)
Parameter (ID)
"System definition"
&
"System diagram" (7000)
&
DHW circulation pump
("Wtimer DHW Circ.") (701B)
"DHW"
&
"Switching times DHW" (6001)
&
"Temperature sensor 2" (600E)
56
Setting
"0", "2", "4," "6", "8",
"10"
Setting switching times
Setting switching times
"Yes"/"No"