12
INS
TALLER
U
SER
M
AINTEN
AN
CE
TECHNI
CI
AN
TECHNI
CAL
D
AT
A
1.5 INSTALLATION INSIDE THE RECESSED
FRAME (OPTIONAL)
The boiler is designed for installation inside the Immergas reces-
sed frame (supplied as optional).
To install proceed as follows:
- Hang the boiler (4) on the recessed frame hooks (3) in their seats
(2) (Fig. 4).
- The boiler (4) is now mounted inside the recessed frame (1)
(Fig. 5).
1
3
4
2
4
1
4
5
1.6 BOILER CONNECTION GROUP
(OPTIONAL)
The connection unit consisting of all the necessary parts to per-
form the hydraulic and gas system connections of the appliance
comes as optional kit, perform the connections based on the type
of installation to be made and according to the layout shown in the
figure.
(Fig. 6).
V
AF
AC
G
SC
1
R
2
M
3
6
Key:
V - Electric connection
G - Gas supply
AC - Domestic hot water outlet
AF - Domestic hot water inlet
SC - Condensate drain (minimum internal diameter Ø 13 mm)
M - System flow
R - System return
1 - System filling cock
2 - System draining valve
3 - 3-bar safety valve drain fitting
