Viessmann Vitotwin 300-W Installation And Service Instructions For Contractors page 108

Codes
Changing codes
Function
"Relay output QX2"
"Relay output QX3"
108
(cont.)
Code Operat-
ing level
5891 "F2"
5892 "F2"
Setting options
■ "None"
■ "Alarm output
K10" (see
page 55)
■ "Circulating
pump Q4"
■ "Heat request
K27" (see
page 155)
■ "DHW ctrl el-
em Q3"
■ "Suppl source
control K32"
(see page 155)
■ "None"
■ "Alarm output
K10" (see
page 55)
■ "Circulating
pump Q4"
■ "Heat request
K27" (see
page 155)
■ "DHW ctrl el-
em Q3"
■ "Suppl source
control K32"
(see page 155)
Delivered
condition
"None"
"DHW ctrl el-
em Q3"