Viessmann Vitotronic 200 Installation And Service Instructions For Contractors page 72

Parameter
DHW
(cont.)
16 DHW circulation pump in economy mode
Display
According to time program
OFF
Solar
Note
Parameter values in bold are factory settings.
Note
The "Solar" group is only displayed if a solar control
module, type SM1, is connected.
00 Start temperature differential, solar circuit pump
Display
8 K
... K
01 Stop temperature differential, solar circuit pump
Display
4 K
... K
02 Speed control, solar circuit pump
Display
Without
Do not adjust
With PWM control
03 Temperature differential for start of speed control
Display
10 K
... K
04 Controller amplification of speed control
Display
4 %/K
... %/K
72
Value Explanations
16:0 DHW circulation pump ON during economy mode ac-
cording to time program
16:1 DHW circulation pump OFF during economy mode
Value Explanations
00:8
00:2 to Start temperature differential adjustable from 2 to 30 K
00:30
Value Explanations
01:4
01:1 to Stop temperature differential adjustable from 1 to 29 K
01:29
Value Explanations
02:0 Without speed control
02:1
02:2 With PWM control
Value Explanations
03:10
03:5 to Temperature differential adjustable from 5 to 20 K
03:20
Value Explanations
04:4
04:1 to Controller amplification adjustable from 1 to 10 %/K
04:10