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Vitotronic 100, GC1B / Vitotronic 300-K, MW1B Installation and Service
“DHW” Group (continued)
Coding 2, Vitotronic 300-K
Coding in the factory set condition Possible change
62:10 DHW pump with a run-on time after DHW tank
heating of max. 10 min.
62:0 DHW pump without run-on.
62:1
to
62:15
Run-on time adjustable from 1 to 15 min.
64:2 During party mode and after external changeover
to constant operation with the standard room
temperature:
Constant DHW heating enabled and DHW
recirculation pump “ON”.
64:0 No DHW heating, DHW recirculation pump
“OFF”.
64:1 DHW heating and DHW recirculation pump
according to time program.
66:4 Input of the set DHW temperature:
At the control unit programming unit and all
installed Vitotrol 300A remote controls.
66:0 At the control unit programming unit.
66:1 At the control unit programming unit and remote
control system circuit A1 (heating circuit ).
66:2 At the control unit programming unit and
remote control heating circuit with mixing valve
M2 (heating circuit 2).
66:3 At the control unit programming unit and
remote control heating circuit with mixing valve
M3 (heating circuit 3).
66:5 At the remote control system circuit A1
(heating circuit 1).
66:6 At the remote control heating circuit with
mixing valve M2 (heating circuit 2).
66:7 At the remote control heating circuit with
mixing valve M3 (heating circuit 3).
67:40 For solar DHW heating:
Set DHW temperature 104°F (40°C). Reheating
is suppressed above the selected set temperature
(DHW heating by the boiler only if solar energy is
not sufficient).
67:0 No third set value.
67:10
to
67:95
Set DHW temperature adjustable from 50 to
194°F (10 to 95°C). (limited by boiler specific
parameters).
Observe the setting of coding address “56”.
68:8 With 2 DHW tank temperature sensors
(code “55:2”):
DHW tank heating stop point at set value x 0.8.
68:2
to
68:10
Factor adjustable from 0.2 to 1;
1 step
0.1
69:7 With 2 DHW tank temperature sensors
(code “55:2”):
DHW tank heating start point at set value x 0.7.
69:1
to
69:9
Factor adjustable from 0.1 to 0.9;
1 step
0.1
6A:75 Runtime, actuator, mixing valve, heat exchanger
set, Vitotrans 222, (80 and 120 kW):
75 sec.
6A:10
to
6A:255
For heat exchanger set Vitotrans 222 (240 kW):
set 113 sec.
Runtime adjustable from 10 to 255 sec.
70:0 DHW recirculation pump “ON” according to time
program when DHW heating is enabled.
70:1 DHW recirculation pump “ON” according to
time program.
71:0 DHW recirculation pump:
“ON” according to time program.
71:1 “OFF” during DHW heating to the first set value.
71:2 “ON” during DHW heating to the first set value.
72:0 DHW recirculation pump:
“ON” according to time program.
72:1 “OFF” during DHW heating to the second set
value.
72:2 “ON” during DHW heating to the second set
value.
73:0 DHW recirculation pump:
“ON” according to time program.
73:1
to
73:6
“ON” from once per hour for 5 min. up to
6 times per hour for 5 min. during the time
program.
73:7 Constantly “ON”.
75:0 DHW recirculation pump “ON” during economy
mode according to time program.
75:1 DHW recirculation pump “OFF” during economy
mode.
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