AQUAKOND AKY
CONDENSING BOILER
21
code HC0048.10GB ed.B-1811
AKY
HC0047 C2 033
5.3. Accessories for installation
The supply of the equipment includes:
AKY boilers:
•
no. 1 paper template to position the external module;
• no. 2 flexible hoses for every single boiler (G1" for
AKY050/070, G3/4" for AKY032/034), length 0.5 metres,
with relevant gaskets;
•
no. 1 90° bend Ø60 made of plastic material;
•
no. 1 fume exhaust terminal Ø60 L=400mm made of plastic
material complete with fume extraction intake;
•
no. 1 gas tap (G3/4") complete with copper pipe and gaskets
to connect it to the gas valve.
AKY100 boilers:
•
no. 1 paper template to position the external module;
•
no. 2 G1 taps 1/2'';
•
no. 1 gas tap (G3/4") complete with copper pipe and gaskets
to connect it to the gas valve.
5.4. Boiler installation
The optimal installation height for the internal unit is about
2.5 m above ground.
We suggest installing the boiler in the lowest point of the hydraulic
circuit to which it is connected in order to avoid the formation of
air bubbles inside water circuit.
5.4.1. Boiler installation procedure
•
Fix the template supplied to the wall and level it; make two
holes to fix the boiler to the wall and a through hole for the
internal unit connections.
•
To hang the boiler, apply rawlplugs with M8 external screws
(M10 for AKY100).
N
ote: Make sure that the type of plug (not supplied) is
suitable for the type of wall and sufficient to support
the weight of the boiler.
•
Hang the boiler and secure it using star washers.
•
For AKY032, AKY034, AKY050 and AKY070, connect the
flexible hoses supplied with the equipment to the boiler
delivery and return connections, inserting the corresponding
gaskets and preventing foreign bodies from entering. The
flexible hoses supplied with the equipment allow a maximum
distance of 1 metre between the boiler connections and
the internal unit connections.
N
ote: it is mandatory to install a Y-shaped filter on
water input of the boiler, to prevent clogging of boiler
exchanger.
In case of greater lengths, rigid pipes having a suitable diameter
are required. To connect the boiler and the internal unit to the
rigid pipe, use the flexible hoses L=0.5m supplied with the
equipment (for AKY032, AKY034, AKY050 and AKY070 only).
Technical data chapter contains the flow rate/head graphs
available for the boiler.
Table on page 17 provides an approximate sizing of the diameter
of pipes.
N
ote: at the end of the
installation, visually make
sure that the boiler is slanted
backwards in order to facilitate the
flow of condensate coming from
the fume exhaust. Alternatively,
insert a shim between the lower
part of the boiler and the wall to
increase the slope.
5.4.2. Ambient temperature adjustment
We can discriminate between two different types of installation
and, therefore, ambient temperature adjustment:
•
single zone system boiler;
•
multi-zone system boiler.
Installation in a single room
To heat a single room, only one SmartEASY/WEB regulator or
ambient thermostat controlling boiler start-up is required.
SmartEASY/WEB allows to manage up to 30 boilers, provided
that they are located in a single zone: ambient temperature and
start-up times are the same for all the boilers.
Installation in different rooms
In this case, the temperature regulator allows to either control
ventilation only or to divide the hydraulic system into several
zones.
In the first case:
•
install an ambient thermostat, or chronothermostat, in each
room and a relay having two free contacts for each zone;
•
use the ambient thermostat contact to control the relay coil;
•
use one of the relay contacts to power the ambient unit
located in the zone to be heated;
•
use the other relay contact, in parallel to the relay contacts
of the other zones, to close the ID2/IDC2 boiler terminals
(boiler remote permission); this allows the boiler to start
when at least one thermostat sends the heat demand. Water
circulates inside all the ambient units, partially heating the
rooms that are not involved too.
Note: When all the thermostats are set to OFF, the boiler is off too;
In the second case:
•
Install a zone valve and an ambient thermostat or
chronothermostat or SmartEASY/WEB for each room;
•
Use the zone valve limit switch, in parallel to the other
zone valve contacts, to close the ID2/IDC2 boiler terminals.
In this case, when a zone is open, the boiler starts and water
circulates in the emission unit of the zone involved only. When
all the zones are closed, the boiler is off.
N
ote: In both cases, the boiler may be connected to
SmartEASY/WEB paying attention not to activate the
ambient thermostat function; it is therefore necessary to set
the required temperature to a value that does not interfere
with the other thermostats, e.g. 35°C.
If the boiler available head is not sufficient for the hydraulic system
circuit, supply the system with another circulator compatible with
the boiler circulator flow rate.
To install another circulator, the boiler and the circulator must
be divided by a hydraulic separator between primary circuit
[T1 and T2 boiler] and secondary circuit [T3 and T4 device].
