Cascade" Group; Dhw" Group - Viessmann VITOTRONIC 200 Installation And Service Instructions Manual

Code 1

"Cascade" Group

Coding
Coding in the factory set condition
Number of boilers in cascade
35:4 4 boilers connected to the Vitotronic 300-K
Min. system supply temperature
36:0 Electronic minimum system supply
temperature limit set to 32° F (0° C)
Max. system supply temperature
37:80 Electronic maximum system supply
temperature limit set to 176° F (80° C)
Control type
3B:1 Stand-alone parallel boiler connection with
supply temperature sensor
Control strategy
3C:0 Condensing strategy (see page 78)

"DHW" Group

Coding
Coding in the factory set condition
Set DHW temperature reheating suppression
67:40 For solar DHW heating:
Set DHW temperature 104° F (40° C).
Reheating is suppressed above the selected
set temperature (DHW heating blocked by the
boiler).
Enable DHW circulation pump
73:0 DHW circulation pump: "ON" according to time
program
36
Vitotronic 200 and 300-K Installation and Service
Possible change
35:1 1 to 8 boilers connected to the Vitotronic 300-K
to
35:8
36:1 Electronic minimum system supply temperature
to limit adjustable from 32 to 260° F
36:127 (0 to 127° C)
37:20 Electronic maximum system supply temperature
to limit adjustable from 68 to 260° F
37:127 (20 to 127° C)
3B:0 Stand-alone parallel boiler connection without
supply temperature sensor
3C:1 Conventional boiler strategy 1 (see page 79)
3C:2 Conventional boiler strategy 2 (see page 79)
Possible change
67:0 Set DHW temperature adjustable from 32 to
to 203° F (0 to 95° C)
67:95 (limited by boiler-specific parameters)
73:1 "ON" from once per hour for 5 min. up to
to 6 times per hour for 5 min. during the time
73:6 program
73:7 Constantly "ON"