Viessmann VITODENS 200-W Service Instructions Manual page 43

General/Group "1"
Value System
address version
00: ...
9 3
10 3
Coding in the delivered condition
Internal circulation pump function
51:0 Internal circulation pump
always starts when there
is a heat demand
Subscriber no.
77:1 LON subscriber number
(only for weather-com-
pensated control units)
(cont.)
Description
One heating circuit without mixer (heating circuit 1), one heat-
ing circuit with mixer (heating circuit 2) and one heating circuit
with mixer (heating circuit 3), without DHW heating (code is
adjusted automatically)
One heating circuit without mixer (heating circuit 1), one heat-
ing circuit with mixer (heating circuit 2) and one heating circuit
with mixer (heating circuit 3), with DHW heating (code is
adjusted automatically)
Possible change
51:1
51:2
77:2
to
77:99
Code 1
System with low loss
header:
When there is a heat
demand, the internal circu-
lation pump only starts
when the burner is opera-
tional (with pump run-on).
System with heating water
buffer cylinder:
When there is a heat
demand, the internal circu-
lation pump only starts
when the burner is opera-
tional (with pump run-on).
LON subscriber number,
adjustable from 1 to 99:
1 - 4 = Boiler
5 = Cascade
10 - 98 = Vitotronic 200-H
99 = Vitocom
Note
Allocate each number only
once.
43