26
Using the 2½" or 3" flange adaptor set (accessories)
75
117
220
300
220
300
197
155
Fig. 16
A
Victaulic coupling 3" (primary circuit)
B
Victaulic coupling 2½" (secondary circuit)
C
Flange adaptor 3" DN 80/PN 10, short (primary cir-
cuit), without anti-vibration elements
D
Flange adaptor 2½" DN 65/PN 10, short (secon-
dary circuit), without anti-vibration elements
E
Anti-vibration compensators, on site
F
Hydraulic line fixings
Fitting the Victaulic couplings
Fig. 17
1.
Clean all Victaulic connections.
2.
Open Victaulic coupling
B
around 1 cm.
3.
Push Victaulic coupling
B
with inserted gasket as
far as it will go onto connection pipe
A
in the heat
pump.
4.
Insert connection pipe
C
as far as it will go into
Victaulic coupling
B
.
5.
Close Victaulic coupling
B
flush and tighten until
there is no gap.
6.
Carry out a pressure test.
Note
Shortening connection pipe
C
can lead to increased
noise.
Only use the connection pipes provided.
Installation sequence
Making the hydraulic connections
(cont.)
5789 986 GB
Installation
