Boiler" Group; Dhw" Group - Viessmann Vitotronic 300 Installation And Service Instructions Manual

Vitotronic 300, GW5B Installation and Service

"Boiler" Group

Coding in the delivered condition
0C:0 Do Not Adjust
1F:0 With flue gas temperature sensor:
Flue gas temperature is not monitored for
service display.
21:0 No service interval (hours run) selected.
23:0 No interval for service.
24:0 No "Service" display.
28:0 No burner interval ignition.
2D:... Delivered condition defaulted by the boiler
coding card.
Do Not Adjust

"DHW" Group

Coding in the delivered condition
55:0 DHW tank heating, hysteresis ± 2.5 K.
56:0 Set DHW temperature adjustable from
50 to 140°F (10 to 60°C).
58:0 Without auxiliary function for DHW heating.
Possible change
--
1F: 34 (1) When the limit for the flue gas temperature is
to exceeded,
1F: 482°F
(250°C)
21:1 The number of hours run before the burner
to should be serviced is adjustable from
21:100 100 to 10,000 h; 1 step ≙ 100 h
23:1 Interval adjustable from 1 to 24 months.
to
23:24
24:1 "Service" display (the address is automatically
set and must be manually reset after a service
has been carried out).
28:1 Time interval adjustable from 1 to 24 h. Burner
to is force-started for 30 sec. respectively.
28:24
--
Possible change
55:1 Adaptive DHW tank heating enabled
(see page 54).
55:2 DHW tank temperature control with 2 DHW
tank temperature sensors.
55:3 DHW tank temperature control, primary store
system.
56:1 Set DHW temperature adjustable from
50 to 203°F (10 to 95°C).
Note: Observe the max. permissible DHW
temperature. Change setting of
temperature controller "
58:10 Input of a second set DHW temperature,
to adjustable from 50 to 203°F (10 to 95°C)
58:60 (observe coding address "56" in this group).
Code 2
--
is displayed.
--
R
".
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