Viessmann VITODENS 242-F Technical Manual page 9

Vitodens 222-F, type FS2B
Note
The adjustable feet give all height measurements a tolerance of
+15 mm.
Two-stage heating circuit pump in the Vitodens 222-F
Rated boiler output
Type
Rated voltage
Power consumption
Residual head of the integral circulation pump
Vitodens 222-F, 4.8 - 26.0 kW
40 400
350
30 300
250
20 200
150
10 100
50
0 0
0 100 200
Flow rate in l/h
A Stage 1
B Stage 2
C Upper operational limit
VITODENS
(cont.)
Stage 1
Stage 2
300 400 500 600 700
kW 4.8 - 26.0
VI UPSO 15-60
V~
W
W
B
A
800 900 1000 1100 1200
1
8.8 - 35.0
VI UPSO 15-70
230 230
60 70
70 90
C
1300 1400
VIESMANN
9