Viessmann VITOCAL 200-G, Installation And Service Instructions Manual

Page: 140 / 208

A
Heating command
B
Primary pump
C
Secondary pump
D
Compressor
E
Start delay
F
Secondary pump flow
G
Primary pump flow
H
OFF
K
ON
Access
& " Device settings "
& " Programming "
& " Heat pump "
& "Primary pump flow"
or
"
Flow sec. pump " (
P
/
Q
)
Standard setting 2:00 min
Setting range 00:10 to 16:40
min
Optimum runtime
Setting the optimum heat pump runtime. Excessive runtimes (subject to the pri-
mary circuit layout) can lead to the geothermal probe icing up, which reduces
the efficiency (COP).
Flow; primary/secondary pump
(cont.)
140
Heat pump control settings
55
92
968
GB