Operating instructions

25
Note
■ Expansion vessel must be
approved to DIN 4807. Dia-
phragms of expansion vessel and
safety valve must be suitable for
the heat transfer medium.
■ Blow-off and drain lines must con-
verge in one container that can
hold the maximum possible expan-
sion volume of the heat transfer
medium.
2. Ensure adequate thermal and sound
insulation of all pipes routed through
walls.
3. Insulate lines inside the building to
provide protection from heat and
vapour diffusion.
4. Connect primary lines to heat pump:
With straight pipe sections supplied
or
With connection set primary/secon-
dary circuit (accessory set with
angled pipe sections)
Connection set installation
instructions
Connecting the secondary circuit
FE
D C
Safety assembly supplied
C
Pressure gauge
D
Connection G 1"
E
Quick-action air vent valve
F
Safety valve
1. Connect secondary lines to heat
pump:
!
Please note
Make tight hydraulic connec-
tions on the primary and sec-
ondary sides.
With pipe outlets, ensure pipe
glands are seated correctly (if
necessary, seal with sealing
tape; see page 20).
Installation sequence
Hydraulic connections
(cont.)
5441 603 GB
Installation