20
2.
3.
D
C
B
1.
A
1.
Fit pipe section with sensor well
A
.
2.
Secure flow temperature sensor for
secondary circuit
C
with spring clip
B
in the sensor well.
3.
Connect plug
D
of the sensor lead
and the cable to the heat pump con-
trol unit (cable with plug, length
2.0 m, extend on site if required).
Connect connector F8 inside the heat
pump control unit at the controller and
sensor PCB.
Connecting the condensate drain
Note
■ Subject to temperature and relative
humidity, the volume of condensate
accumulating from the air can be as
high as 20 l/h.
■ During the defrosting process, the
amount of condensate can be as high
as 20 l within 5 min.
Connect condensate drain via siphon
(backup level at least 60 mm) in the frost-
protected area to on-site drain connec-
tion (drainage or sewer system): See
page 12.
Route condensate drain (drain pipe
DN 40) with a constant fall of at least
2 %.
Installation sequence
Making the hydraulic connections
(cont.)
5516 436 GB
Содержание VITOCAL 300-A
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