INSTALLATION
21
2 INSTALLATION
2.1 Consignment of the appliance
The Condexa HPR boiler is delivered on a pallet, pack-
aged and protected with cardboard.
The following material can be found in a plastic bag in-
side the package (1 - page 5):
− Installation and user booklet
− Sheet with the R warranty conditions
− Boiler support crossbar
− Pack of 2 screws + 2 dowels for the crossbar
− Angle gas tap
− Flexible condensate discharge hose
− Vent valve connection tube
− Hydraulic test certicate
− Energy Efciency Label (for models <68kW)
2.2 Dimensions and weights
Description
Condexa HPR
35 45 55 70
L 470 470 470 470
mm
P 350 350 443 443
mm
H 740 740 740 740
mm
Net weight 35 35 53,5 53,5 kg
2.3 Installation room
The Condexa HPR boiler can be installed in permanent-
ly ventilated rooms that have suitably sized ventilation
openings complying with the Technical Standards and
Regulations applicable to the installation site.
9
Consider the spaces needed to access the safety and
adjustment devices, and to carry out maintenance.
9
Check that the electric protection level of the appli-
ance is suitable for the characteristics of the room
where it is installed.
9
Make sure the combustion air is not contaminat-
ed by substances containing chlorine and uorine
(substances contained, for example, in spray cans,
colours and detergents).
9
The thermal modules may only be installed out-
doors if the specic accessory is used.
a
It is forbidden to cover or reduce the size of the
ventilation openings in the installation room, as
they are essential to ensure correct combustion.
a
It is forbidden to leave ammable containers and
substances in the room where the boiler is in-
stalled.
9
The use of protective clothing is recommended
during the installation of the boiler, to avoid any
risk of personal injury.
Always comply with the local regulations of the re bri-
gade and gas company, and with any possible municipal
regulations.
This type C wall-hung condensing boiler can operate as
follows:
CASE A: heating-only, without any external storage tank
connected. The boiler does not supply domestic hot wa-
ter.
CASE B: heating-only, with a thermostatically controlled
external storage tank (accessory kit available upon re-
quest) connected. With every heat request from the stor-
age tank thermostat, the boiler supplies hot water for
the preparation of the domestic hot water.
CASE C:
heating-only, with the connection of an exter-
nal storage tank (accessory kit available upon request)
(managed by a temperature probe) for preparing do-
mestic hot water. When connecting a storage tank not
supplied by us, make sure the probe has the following
characteristics: 10 kOhm at 25°C, B 3435 ±1%.
POSITION
There are two categories, based on the type of installa-
tion:
boiler type B23P-B53P: forced open installation, with
ue gas discharge pipe and combustion air intake from
the installation area. If the boiler is not installed out-
doors, an air intake point in the installation area is com-
pulsory;
boiler type C13,C13x; C33,C33x; C43,C43x; C53,C53x;
C63,C63x; C83,C83x, C93,C93x: appliance with airtight
chamber, with ue gas discharge pipe and combustion
air intake from outside. An air intake point in the instal-
lation area is not required.
The appliance can be installed indoors (g. A) or out-
doors, but in a partially protected place (g. B) where it
is not directly exposed to the inltration of rain, snow
or hail.
It can work in a temperature range from >0°C to +60°C.
Fig. A Fig. B
ANTI-FREEZE SYSTEM
The boiler is tted as standard with an automatic anti-freeze
system that activates when the temperatur
e of the water in
the primary circuit falls below 5°C. This system is always
active, and guarantees protection for the boiler with an
air temperature in the installation area of >0°C.
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To take advantage of this protection (based on
burner operation), the boiler must be able to swi-
tch itself on; any lockout condition (e.g. due to
a lack of gas or electricity, or the intervention of
a safety device) therefore deactivates the pro-
tection.
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