AQUA FORTE ZWPA Serie Manuel D'installation Et D'utilisation page 15

2.8 Connecting the by-pass
In order to regulate the heat pump's water circuit, you must provide a by-pass between the incoming and
outgoing connections. Therefore the piping must feature three regulation-valves according to the below
diagram.
T
BY-PASS
o
p
o
o
Valve 1
l
Valve 3
OUT
Valve 2
IN
HEATPUMP
Figure 1-8
F
r
o
m
f
i
l
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