Viessmann VITODENS 200 Start-Up/Service Instructions page 50

Additional Information
Control Unit for Weather-Responsive Operation
Summary coding level 2 (continued)
Modification types - coding address 108 "External blocking"
Coding Heating circuit pump
108:000 ×
108:001 OFF
108:002 ×
108:003 ×
108:004 OFF
108:005 OFF
108:006 OFF
108:007 OFF
× = in normal control mode
Coding in the as delivered
condition Address: value
Boiler (continued)
125:000
Modification types coding address 125 "External demand"
Coding Heating circuit pump
125:000 ON
125:001 OFF
125:002 ×
125:003 OFF
125:004 ON
125:005 ×
125:006 OFF
125:007 ON
125:008 ×
125:009 OFF
125:010 ON
125:011 ×
× = in normal control mode
50
Heating circuit with mixing valve
(extension kit)
Heating circuit pump
×
OFF
×
OFF
×
×
×
OFF
Function mode
Signal external demand
activated:
see the following table
Heating circuit with mixing valve
(extension kit)
Heating circuit pump
OFF
OFF
OFF
×
×
×
OFF
OFF
OFF
×
×
×
with programming unit
Tank
(Circulating pump
for tank heating)
Mixing valve
× ×
CLOSED OFF
× OFF
CLOSED ×
× ×
× OFF
× ×
CLOSED ×
Code change Possible change
Address: value
125:001 Signal external demand activated:
to see the following table
125:011
Tank
(Circulating pump
for tank heating)
Mixing valve
CLOSED OFF
CLOSED OFF
CLOSED OFF
× OFF
× OFF
× OFF
CLOSED ×
CLOSED ×
CLOSED ×
× ×
× ×
× ×
Vitodens 200 WB2 Service
(continued)
Burner
Blocked
Blocked
Blocked
Blocked
Blocked
Blocked
Blocked
Blocked
Burner
Will be
maintained at
the set value
acc. to coding
address "102"
--
--
--
--
--
--
--