Viessmann Vitodens 200, Service Instructions Manual

Page: 58 / 116

58
Control unit for constant temperature mode
Changing parameters in service positionsĂ"S
Ă
1" to "S
Ă
7"
(cont.)
S
Ă
7Ăć M clock thermostat (cont.)
Parameter Pump function
Without M clock thermostat and
with link on input clock
thermostat with switched output
10 Pump run-on active, when the burner
has been switched OFF; pumpĂ"ON"
with burnerĂ"ON"
With M clock thermostat
Thb il
11 For each 1ĂK ă1ĂK Pump "ON" and
b "ON" The set boiler water temperature
is influenced by the room
12 set room
temp., the
ă2ĂK
p
burner "ON".
Pump run-on (S1) is influenced by the room
temperature set on the clock
13
temp., the
boiler water ă3ĂK
Pump run-on (S
Ă
1)
will be activated p
thermostat.
The boiler water temperature will
14 temp.
changes
ă4ĂK when the burner
is switched OFF The boiler water temperature will
be maintained at the set value
15
changes
from its set ă5ĂK
is switched OFF.
selected on the control unit if the
room temperature is set to 20 º C
16 value by ă6ĂK
room temperature is set to 20Ă º C.
17 ă7ĂK
Please note:
For settings 11 to 20 the link on
18 ă8ĂK
For settings 11 to 20, the link on
the M clock thermostat must be
19 ă9ĂK
the M clock thermostat must be
closed.
20 10ĂK
Installation instructions
M clock thermostat
5692Ă485
G
B