Riello RESIDENCE HM Series Instructions For The User page 9

4.7 Removing the casing
To access the internal components, remove the casing as shown below.
3
1a
1
2
1a
b
b referring to the label on the panel itself.
b If the front panel is damaged, it must be replaced.
The noise-absorbing panels in the front and side walls ensure
the airtight seal of the air supply pipe in relation to the place of
b installation.
It is therefore ESSENTIAL that components are repositioned cor-
rectly after disassembly in order to guarantee the tightness of
the boiler.
4.8 Flue gas exhaust and combustion air suction
To evacuate the combustion products, refer to UNI 7129-7131. Always
and with any possible municipal regulations.
fer that only original pipes are used (apart from type C6, as long as
be connected to several appliances provided that every appliance is the
condensing type.
b
b
characteristics of which can be changed at high temperatures.
b
The straight length is understood to be without bends, and includes
ends and joints.
b
sible to use the accessories for condensing appliances best suited to
the installation characteristics (refer to the catalogue).
b
b
resistant to condensation.
To ensure the best installation safety, attach the pipes to the wall (or
(at a distance such that the length of each single extension is not ex-
ceeded) and immediately before and after every change of direction
(bend).
b
able in the catalogue.
b
b
Heat-sensitive walls such as those made from wood should be pro-
b
tected with suitable insulation.
b
The use of a longer pipe causes a loss of output of the boiler.
b
The exhaust pipes can face in the direction most suited to the instal-
lation requirements.
b
To tighten the screws, apply a
torque of 0.6 - 0.8 Nm
.
b
As envisaged by current legislation, the boiler is designed to take in
b
If a condensate relaunch pump is installed, check the technical data
(provided by the manufacturer) regarding output, to ensure it operates
correctly.
-
gas turret of the boiler.
- Once positioned, ensure that the 4 notches (A) engage in the appropriate
groove (B).
- Fully tighten screws (C
bend is secured.
For the lengths of the outlets, please refer to the chapter Flue gas outlet
B23P-B53P
Ø60-100
B
A
C
-
If the Ø 60-100 to Ø 80-80 twin pipe kit is used instead of the twin pipe sys-
tem, there is a loss in the maximum lengths as shown in the table.
Loss of length (m)
-
be connected to the Ø50 - Ø60 - Ø80 ducting ranges.
b
For the ducting, you are advised to make a project calculation in
order to respect the relevant standards in force.
-
(*) Use plastic ducting (PP) suitable for condensing boilers and with a pressure
class (P1 up to 200 Pa - H1 up to 5000 Pa) suitable for the application, referring
.
to the boiler outlet DP value given in "Regulation tables".
9
81.
Ø80-80 Ø80-125
B
B
A
B
C
Ø 50 Ø 60 Ø 80
5,5
0,5 1,2
7,5 for air pipe
Ø50 - Ø60 - Ø80
.
(*)
1 90° bend ø 80
1 90° bend ø 80
-
.