Viessmann Vitoligno 300-P Service Instructions For Contractors page 45

Code 1
(cont.)
Overview
Coding
Coding in the delivered condition
Output 52 M1
02:0 Output 52 M1 not used
Output 52 M2
03:0 Output 52 M2 not used
Sensor 2 M1
04:0 Do not adjust
Output 20 M1
05:0 Do not adjust
Maximum temperature
06:... Maximum boiler water
temperature limit.
Delivered condition
defaulted by the boiler
coding card
Buffer HC ON
34:5 Only for systems with a
heating water buffer cyl-
inder and code "BB:1" the
following must be selec-
ted:
Enable heating circuit
pumps (see following
example)
Possible change
02:1 Output 52 M1 controls the
mixer of heating circuit
HC1
03:1 Output 52 M2 controls the
mixer of heating circuit
HC2
03:2 Output 52 M2 used for the
solar control unit
06:... Subject to boiler output
(defaulted by the boiler
coding card)
34:0 Value adjustable from 0 to
to 20 K.
34:20
Codes
45