Viessmann VITOLIGNO 300-P Service Instructions Manual page 69

Code 2
(cont.)
Coding in the delivered condition
69:10 In conjunction with an
integral solar control
unit:
Without minimum collec-
tor temperature limit
6A:7 In conjunction with an
integral solar control
unit:
The solar circuit pump
starts when the differen-
tial between the collector
and cylinder temperature
is at least 7 K
6B:3 In conjunction with an
integral solar control
unit:
The solar circuit pump
stops when the actual
temperature lies 3 K
below the start point
6C:60 Only adjustable if collec-
tor cooling function has
not been activated via
code "68". In conjunction
with an integral solar con-
trol unit:
Maximum cylinder tem-
perature 60 °C
6D:10 In conjunction with an
integral solar control
unit:
Frost protection disabled
6E:130 In conjunction with an
integral solar control
unit:
Possible change
69:11 The solar circuit pump
to starts when the collector
69:90 temperature reaches or
exceeds the selected
value; adjustable from 11
to 90 °C
6A:1 Value adjustable from 1 to
to 30 K
6A:30
6B:1 Value adjustable from 1 to
to 30 K
6B:30
6C:10 Maximum cylinder temper-
to ature adjustable from 10 to
6C:90 90 °C.
Caution: There is a danger
of scalding when the water
temperature is above
50 °C.
The solar circuit pump
6D:−10
starts when the collector
to
temperature reaches or
6D:+9
falls below the frost protec-
tion temperature selected
here; it stops when the
selected frost protection
temperature is exceeded
by 2 K.
6E:110 Value adjustable from 110
to to 199 °C
6E:199
Codes
69