Page 17
User, Installations and Maintenance Manual
7.4 Securing and connections of this appliance
The product must be installed on a stable, flat floor that is not
subject to vibrations.
7.5 Hydraulic connections
Connect the cold water supply line and the outlet line to the ap-
propriate connection points (fig. 17).
The table below gives the characteristics of the connection
points.
Ref. Function
Hydraulic connection
8
Cold water inlet
1”G
9
Hot water outlet
1”G
10
Recirculation
3/4”G
11
Condensate drain
1/2”G
12 *
Solar coil inlet
3/4”G
13 *
Solar cᴓØoil outlet
3/4”G
20 *
Socket for solar probe and
thermal cut-out bulb
1/2”G
29
T/P relief safety valve
Ø 15mm
*: only for EKHHEU200PCV37 and EKHHEU260PCV37 mod
-
els.
11
29
9
10
20
12
13
8
fig. 17
7.6 Connection the piping for domestic hot water
f
d
b
c
d
a
≥300 mm
≥300 mm
≤600 mm
≤600 mm
29
D1
D2
D1
D2
fig. 18
29 - T/P safety relief valve (factory installed)
Components supplied with G3 kit (see “3.1 Receipt" on
page 8 ):
a)
1x PRSV: Pressure reducing valve/pressure relief valve
combination (check valve, water pressure regulator de
-
fault =3,5 bar, water pressure safety valve set=6bar),
water inlet and water outlet 22 mm connection, dis-
charge piping connection 15 mm
b)
1x Adaptor (22 mm×3/4” Female BSP)
c)
1x Tee piece (22 mm×22 mm×22 mm)
d)
2x tundishes (15 mm inlet, 22 mm outlet)
e)
wall mounting set for expansion vessel
f)
1x expansion vessel 24 liters preset=3,5bar male con
-
nection 3/4" BSP
1)
Pre-assemble the adaptor (b) and expansion vessel (f) so
that the expansion vessel is ready for installation.
fig. 19
