Viessmann VITOSOLIC 200 Installation And Service Instructions Manual page 152

Appendix
Overview of system parameters
Setting values
Solar set- Description
ting:
ΔTon Start temperature dif-
ferential for solar cir-
cuit pump
ΔToff Stop temperature dif-
ferential for the solar
circuit pump
ΔTset Differential tempera-
ture for the start of
speed regulation (see
page 139)
ΔT2on Start temperature dif-
ferential for con-
sumer 2
ΔT2off Stop temperature dif-
ferential for con-
sumer 2
ΔT2set Differential tempera-
ture for the start of
speed regulation (see
page 139)
ΔT3on Start temperature dif-
ferential for con-
sumer 3
ΔT3off Stop temperature dif-
ferential for con-
sumer 3
ΔT3set Differential tempera-
ture for the start of
speed regulation (see
page 139)
ΔT4on Start temperature dif-
ferential for con-
sumer 4
ΔT4off Stop temperature dif-
ferential for consumer
4 *5
*4 "ΔTon" can be at least 0.5 K above "ΔToff".
"ΔToff" can be at least 0.5 K below "ΔTon".
*5
152
Delivered
condition
8 K
*4
4 K
*5
10 K
8 K
*4
4 K
*5
10 K
8 K
*4
4 K
*5
10 K
8 K
*4
4K
(cont.)
Setting range
1.5 to 20 K
1 to 19.5 K
2 to 30 K
1.5 to 20 K
1 to 19.5 K
2 to 30 K
1.5 to 20 K
1 to 19.5 K
2 to 30 K
1.5 to 20 K
1 to 19.5 K
Set value