Viessmann VITODENS 200 Start-Up And Service Instructions page 55

Control Unit for Weather-Responsive Operation
Overview of coding addresses (continued)
Coding (factory Function mode
default setting)
Address: Value
0A4:255 Do not change
0A5:255 Do not change
0A6:255 Do not change
0A7:060 DHW
tank
0A8:000 Boiler
Possible coding changes for coding address 0A8 "external disable"
Coding Heating circuit
pump
0A8:000 ×
0A8:001 OFF
0A8:002 ×
0A8:003 ×
0A8:004 OFF
0A8:005 OFF
0A8:006 OFF
0A8:007 OFF
× = in normal control mode
Setpoint value for "Additional
function for domestic hot
water heating"
("Anti-Legionnaire-Function"
– domestic hot water heated
briefly to 140 ºF/60 ºC)
See table below for effect of
external disable signal
(also see page 59)
Heating circuit with mixing valve
(extension kit)
Heating circuit pump
×
OFF
×
OFF
×
×
×
OFF
with programming unit
(continued)
Coding Possible changes
change
Address: Value
A07:061 Setting range between 142 to 158 ºF/
to 61 and 70 ºC.
A07:070
IMPORTANT
Do not adjust domestic hot water
temperature more than 158 ºF/
70 ºC.
0A8:001 See table below for effect of external disable
to signal
0A8:007
Tank
(Circulating pump
f for tank heating)
Mixing valve
× ×
CLOSED OFF
× OFF
CLOSED ×
× ×
× OFF
× ×
CLOSED ×
Additional Information
Burner
g
k h i )
Blocked
Blocked
Blocked
Blocked
Blocked
Blocked
Blocked
Blocked
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