Viessmann Vitotwin 300-W Installation And Service Instructions For Contractors page 87

Changing codes
Function
"Direct adjustment"
■ Automatically save: A
code change (via the ro-
tary selector) is accep-
ted both by pressing
"OK", and without con-
firming (time out).
■ Storage with confirma-
tion: A code change (via
the rotary selector) is on-
ly accepted by pressing
"OK".
A remote control unit and its effects on the heating circuits is assigned by the fol-
lowing coding addresses. Coding addresses 40, 42, 47 and 54 are only displayed
on the remote control unit.
"Device address"
See separate remote con-
trol unit documents.
"Assignment device 1"
"Operation HC2"
(cont.)
Code Operat-
ing level
28 "F1"
40 "F1"
42 "F1"
44 "F1"
Setting options Delivered
condition
■ "Automatic "Storage
storage" with confir-
■ "Storage with mation"
confirmation"
■ "Room unit 1" - - -
■ "Room unit 2"
■ "Room unit 3/
P"
■ "Operator unit
1"
■ "Operator unit
2"
■ "Operator unit
3/P"
■ "Service unit"
■ "Heating cir- "Heating cir-
cuit 1" cuit 1"
■ "Heating cir-
cuits 1 and 2"
■ "Heating cir-
cuits 1 and 3/
P"
■ "All heating
circuits"
■ "Jointly with "Jointly with
HC1" HC1"
■ "Independent-
ly"
Codes
87