Viessmann SM1 Installation And Service Instructions Manual page 12

Commissioning
Coding addresses overview
Coding in the delivered condition
Priority DHW cylinder (cyclical heating)
26:1 Priority for DHW cylinder 1
cyclical heating.
(Code "20:9" must be selected).
Alternate heating time
27:15 Cyclical heating time 15 min.
Once the DHW cylinder with priori-
ty is heated up, the DHW cylinder
without priority is heated for a max-
imum duration equal to the set cy-
clical heating time.
Alternate pause time
28:3 Cyclical pause time 3 min.
After the selected cyclical heating
time for the DHW cylinder without
priority has expired, the rise in col-
lector temperature is captured dur-
ing the cyclical pause time.
12
(cont.)
Possible change
with 26:0
–
26:2
26:3
26:4
27:5
to
27:60
28:1
to
28:60
Priority for DHW cylinder 1
out cyclical heating.
Priority for DHW cylinder 2
out cyclical heating.
Priority for DHW cylinder 2
cyclical heating.
Cyclical heating without priority for
either of the DHW cylinders
The cyclical heating time is adjusta-
ble from 5 to 60 min.
Cyclical pause time is adjustable
from 1 to 60 min.
with-
–
with-
–
with
–