6
BOILER ROOM
Important
• Keep vents free at all times.
• Do not store inflammable products in the boiler room.
• Do not store corrosive products near the boiler, such as paints,
solvents, chlorine, salt, soap and other cleaning products.
Accessibility
The boiler room must be large enough to allow proper access to
the boiler. The following minimum distances around the boiler are
required:
- at the front:
500 mm
- above:
300 mm
- on the central heating connection side:
150 mm
This boiler can be connected to the central heating circuit in any one
of three directions.
HEATING CONNECTION
The drain cock (8) and safety valve (2) must be connected to the
waste water disposal system.
The boiler is fitted with an expansion chamber with a
capacity of:
• 8 litres on Etech’s 160 and 240 models.
• 16 litres on Etech’s 290 and 380 models.
If the expansion volume is not sufficient for your
needs then it is possible to install an additional tank.
The boiler is fitted with a safety valve set to 3 bar.
1.
3-way valve
2.
Safety valve preset to 3 bar with pressure gauge
3.
Heating pump
4.
Non-return valve
5.
Expansion vessel
6.
Controller
7.
Isolation valves
8.
Drain cock
INSTALLATION
Base
The boiler must be laid on a base made of non-combustible materials.
Y
Y
1
2
3
4
7
7
6
5
5
8
