Viessmann Vitodens 200-W Service Instructions Manual page 65

Wall-mounted, gas-fired condensing boiler for operation with natural gas heating input 104 to 352 mbh 30 to 103 kw
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Vitodens 200-W B2HA 80, 100 Service
Heating Circuit 1, 2 and 3
Coding in the factory setting
F6:25
F7:25
F8:-5
F9:-14
FA:20
FB:30
(continued)
In the "Only DHW" operating
mode, the circulation pump in
the heating circuit connection
set is permanently ON
In the "Standby" operating
mode, the circulation pump in
the heating circuit connection
set is permanently ON
Temperature limit for terminating
the reduced mode 23°F (-5ºC);
see example on page 85.
Observe the setting of coding
address "A3".
Temperature limit for raising the
reduced set room temperature
6.8°F ( -14ºC); see example
on page 85.
Raising the set boiler water
temperature or the set flow
temperature when changing
from operation with reduced
room temperature to operation
with standard room temperature,
by 20%.
See example on page 85.
Duration for raising the set boiler
water temperature or the set flow
temperature (see coding address
"FA") 60 minutes.
See example on page 85.
Possible change
F6:0
In the "Only DHW" operating mode,
the circulation pump in the heating
circuit connection set is permanently
OFF.
F6:1
In the "Only DHW" operating mode,
to
the circulation pump in the heating
F6:24
circuit connection set will be
started 1 to 24 times per day for
10 minutes each time.
F7:0
In the "Standby" operating
mode, the circulation pump in the
heating circuit connection set is
permanently OFF.
F7:1
In the "Standby" operating mode,
to
the circulation pump in the heating
F7:24
circuit connection set will be
started 1 to 24 times per day for
10 minutes each time.
F8:+10
Temperature limit adjustable from
to
50 to -76°F (10 to -60°C).
F8:-60
F8:-61
Function disabled.
F9:+10
Temperature limit for raising
to
the set room temperature to the
F9:-60
value selected for standard mode
adjustable from 50 to -76°F
(10 to -60°C).
FA:0
Temperature rise adjustable from
to
0 to 50%.
FA:50
FB:0
Duration adjustable from 0 to
300 minutes; 1 step ≙ 2 minutes).
to
FB:150
Coding 2
65

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