Viessmann VITODENS 200-W Installation And Service Instructions Manual page 80

Parameter level 2
Solar
(cont.)
"Minimum collector temperature"
Setting
10 °C
None
... °C
"Extended control function"
Setting
No extended control function enabled
Auxiliary function for DHW heating
Differential temperature control 2
Differential temperature control 2 and auxil-
iary function
Differential temperature control 2 for central
heating backup
Thermostat function
Thermostat function and auxiliary function
Solar heating via external heat exchanger
without additional temperature sensor
Solar heating via external heat exchanger
with additional temperature sensor
Solar heating of 2 DHW cylinders
"Start temperature differential for central heating backup"
Setting
8 K
... K
"Stop temperature differential for central heating backup"
Setting
4 K
... K
"Start temperature for thermostat function"
Setting
40 °C
... °C
"Stop temperature for thermostat function"
Setting
50 °C
... °C
80
Explanations
12:10 Minimum start temperature for solar circuit pump
10 °C
12:0 Minimum temperature limit disabled
12:1 to Minimum start temperature adjustable from 1 to 90 °C
12:90
Explanations
20:0
20:1
20:2 Do not adjust in conjunction with Vitocell 100-W, type
CVUC-A or Vitosolar 300-F
20:3 Do not adjust in conjunction with Vitocell 100-W, type
CVUC-A or Vitosolar 300-F
20:4 Do not adjust in conjunction with Vitocell 100-W, type
CVUC-A or Vitosolar 300-F
20:5 Do not adjust in conjunction with Vitocell 100-W, type
CVUC-A or Vitosolar 300-F
20:6 Do not adjust in conjunction with Vitocell 100-W, type
CVUC-A or Vitosolar 300-F
20:7
20:8 Do not adjust in conjunction with Vitocell 100-W, type
CVUC-A or Vitosolar 300-F
20:9 Do not adjust in conjunction with Vitocell 100-W, type
CVUC-A or Vitosolar 300-F
Explanations
22:8 Parameter "20:4" must be set.
22:2 to Start temperature differential adjustable from 2 to 30 K
22:30
Explanations
23:4 Parameter "20:4" must be set.
23:1 to Stop temperature differential adjustable from 1 to 29 K
23:29
Explanations
24:40 Parameter "20:5" or "20:6" must be set.
24:0 to Start temperature for thermostat function adjustable
24:100 from 0 to 100 °C
Explanations
25:50 Parameter "20:5" or "20:6" must be set.
25:0 to Stop temperature for thermostat function adjustable
25:100 from 0 to 100 °C