Viessmann Vitodens 200-W B2HA 112 Installation Instructions Manual page 128

Coding 2
DHW
(continued)
Coding in the factory setting
63:0
NOT USED
65:0
67:40
6C:100
NOT USED
6F:...
71:0
72:0
73:0
62
Without auxiliary function for
DHW heating
Do not adjust.
For solar DHW heating:
Set DHW temperature 104°F
(40°C). Reheating is suppressed
above the selected set
temperature (boiler is only
connected as backup if the rise
in DHW tank temperature is too
low).
Set speed, internal circulation
pump with DHW heating 100%
Maximum output for DHW
heating in %, specified by
the boiler coding card
DHW recirculation pump: "ON"
in accordance with the time
program
DHW recirculation pump: "ON"
in accordance with the time
program
DHW recirculation pump: "ON"
in accordance with the time
program
Vitodens 200-W B2HA 112, 150, 399, 530 Service
Possible change
63:1 Auxiliary function: 1 x daily
63:2 Every 2 days to every 14 days.
to
63:14
63:15 2 x daily
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67:0 Set DHW temperature adjustable
to from 32 to 203°F (0 to 95°C)
67:95 (limited by boiler-specific
parameters).
6C:0 Set speed adjustable from
to 0 to 100%.
6C:100
6F:0 Maximum output for DHW heating
to adjustable from minimum output
6F:100 to 100%.
71:1 "OFF" during DHW heating
to first set value.
71:2 "ON" during DHW heating
to first set value.
72:1 "OFF" during DHW heating
to second set value.
72:2 "ON" during DHW heating
to second set value.
73:1 "ON" from once per hour for 5
to minutes up to 6 times per hour
73:6 for 5 minutes during the time
program.
73:7 Constantly "ON".
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