Viessmann VITOLADENS 300-W Installation And Service Instructions Manual page 71

General
(cont.)
Coding in the delivered condition
51:0 Internal circulation pump
always starts when there
is a heat demand
52:0 Without flow temperature
sensor for low loss head-
er
54:0 Without solar thermal
system
6E:50 No measured outside
temperature correction
Possible change
3F:2 Internal circulation pump
starts at signal "External
demand"
51:1 System with low loss head-
er:
When there is a heat de-
mand, the internal circula-
tion pump is only started if
the burner is operational.
Circulation pump is switch-
ed off on expiry of run-on
time
51:2 System with heating water
buffer cylinder:
When there is a heat de-
mand, the internal circula-
tion pump is only started if
the burner is operational.
Circulation pump is switch-
ed off on expiry of run-on
time
52:1 With flow temperature sen-
sor for low loss header (au-
tomatic recognition)
54:1 With Vitosolic 100 (auto-
matic recognition)
54:2 With Vitosolic 200 (auto-
matic recognition)
54:3 With solar control module
SM1 without auxiliary func-
tion (automatic recogni-
tion)
54:4 With solar control module
SM1 with auxiliary function
e.g. central heating backup
(automatic recognition)
6E:0 Outside temperature cor-
to rection in 0.1 K steps.
6E:100 0 to 49 = -5 K to -0.1 K
51 to 100 = 0.1 K to 5 K
Code 2
71