Viessmann Vitotwin 300-W Installation And Service Instructions For Contractors page 91

Changing codes
Function
"1st phase off"
"2nd phase on"
"2nd phase off"
"3rd phase on"
"3rd phase off"
"Standard values" (All
time phases in the time
program for heating circuit
3 are reset to their factory
settings)
"Time program 4/DHW" (Domestic hot
water)
Function
"Preselection"
"1st phase on"
"1st phase off"
"2nd phase on"
"2nd phase off"
"3rd phase on"
"3rd phase off"
"Standard values" (All
time phases in time pro-
gram 4 are reset to their
factory settings)
(cont.)
Code Operat-
ing level
542 "E"
543 "E"
544 "E"
545 "E"
546 "E"
556 "E"
Code Operat-
ing level
560 "E"
561 "E"
562 "E"
563 "E"
564 "E"
565 "E"
566 "E"
576 "E"
Setting options Delivered
condition
00:00 to 24:00 h 22:00
00:00 to 24:00 h - -:- -
00:00 to 24:00 h - -:- -
00:00 to 24:00 h - -:- -
00:00 to 24:00 h - -:- -
■ "No" "No"
■ "Yes"
Setting options Delivered
condition
■ "Mo - Su" "Mo - Su"
■ "Mo - Fr"
■ "Sa - Su"
■ "Every week-
day individu-
ally"
00:00 to 24:00 h 06:00
00:00 to 24:00 h 22:00
00:00 to 24:00 h - -:- -
00:00 to 24:00 h - -:- -
00:00 to 24:00 h - -:- -
00:00 to 24:00 h - -:- -
■ "No" "No"
■ "Yes"
Codes
91