Viessmann Vitotronic 300 Installation And Service Instructions Manual page 131

Coding 2
(continued)
Overview of all codings (continued)
Coding as per Function
factory setting
Address:
Value
*1
C0: 0
Boiler
circuit/
mixing mixing
valve
circuit
*1
C1: 0
Boiler
circuit/
mixing
valve
circuit
*1
C2: 0
Boiler
circuit/
mixing
valve
circuit
C3: 125
Mixing
valve
circuit
C4: 1
Mixing
valve valve
circuit circuit
C5: 20
Boiler
circuit/
mixing
valve
circuit
C6: 75
Mixing
valve
circuit
C8: 31
Boiler
circuit/
mixing
valve
circuit
d5: 0
Boiler
circuit/
mixing
valve
circuit
E1: 1
Boiler
circuit/
mixing mixing
valve
circuit
In conjunction with remote
control:
Without optimized switch-off Without optimized switch-off
time
In conjunction with remote
control:
Without optimized switch-off
time
Without learning optimized
switch-off time
Operating time of mixing
valve 125 seconds
Mixing valve circuit with
4-way mixing valve 4-way mixing valve
Electronic minimum supply
temperature limit 20°C /
68°F
Electronic maximum supply
temperature limit set to
75°C
In conjunction with remote
control:
Without limit on room
influence
Heating program switches
over to "Continuous
operation" with reduced
room temperature
In conjunction with remote
control:
Day setpoint value variable Day setpoint value variable
from 10 to 30°C
New coding Possible change
Address:
Value
C0: 1 With optimized switch-off time (max. time
shift 1 hour)
C0: 2 With optimized switch-off time (max. time
shift 2 hours)
C1: 1 With optimized switch-off time (max. time
to shift from 10 to 120 minutes)
C1: 12
1 increment = 10 minutes
C2: 1 With learning optimized switch-off time
C3: 10 Operating time adjustable from
to 10 to 255 seconds
C3: 255
C4: 0 Mixing valve circuit with 3-way
mixing valve
C4: 2 Special case 1
C4: 3 Special case 2
C5: 1 Electronic minimum limit variable between
to 1 and 127°C / 34 and 261°F
C5: 127
C6: 10 Electronic maximum limit variable between
to 1 and 127°C / 34 and 261°F
C6: 127
C8: 1
to Limit on room influence variable from 1 to
C8: 30 30 K
d5: 1 Heating program switches over to
"Continuous space heating" with normal
room temperature
E1: 0 Day setpoint value variable from
3 to 23°C
E1: 2 Day setpoint value variable from
17 to 37°C
Additional information
131