Viessmann Vitodens 100-W B1HA, Application Manual

Page: 34 / 48

30
V
itodens 1
0
0
APPLICA
TION 4
Notes/Comments
1.
Component Inde
x on pages 5.
2.
A v
ariable speed circulator will automatically adjust
to opening and closing z
ones.
T
his ensures proper
flo
w regardless of ho
w man
y z
ones are open.
3.
If a fix
ed speed circulator is being used in this
application, it w
ould be necessar
y to inst
all a
dif
ferential pressure b
ypass v
alv
e.
T
his ensures
a cor
rect flo
w through a z
one under c
hanging loads.
Application Code VD1l 1HC1T4ZV
.0
1
P3
Z1
Z2
Z3
Z4
P
ressure Drop B1HA