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PLUMbInG
Vyda H and Kira H are provided with a closed expansion
tank.
The built-in expansion tank does NOT ensure proper
protection of the water in the entire system from thermal
expansion.
Therefore, installers should assess whether an
additional expansion tank is needed, depending on the
type of system.
ALL
OTHER
HYDRAULIC
BE INSTALLED WITHIN THE BOILER STOVE BY
PURCHASING A KIT FROM EDILKAMIN OR IF
PREPARED BY THE INSTALLER.
Plumbing depends on the type of system.
However, there are some "general rules":
• The hydraulic system must operate at a pressure
between 1 and 1.5-2 bar at running temperature
(hot) in a closed vessel circuit.
• DO NOT install the boiler stove as a replacement in
a system with an open expansion tank.
• The presence of an accumulator (tank) is
recommended but not mandatory. Its advantage
is that it releases the boiler stove from "sudden"
requests from the system and can be integrated
with
other
heat
sources.
consumption and increases the efficiency of the
system. Edilkamin recommends an accumulator of
at least 20 l/kW.
• The return temperature of water to the boiler
stove must be higher than 50-55° C to prevent the
formation of condensation.
• An accumulator (tank) is needed to heat low-
temperature radiant panels and must be installed
according to the panel manufacturer's instructions.
• The material used in the circuit must be suitable to
withstand overheating.
• The installer must determine whether or not to use
conditioned products. In Italy, refer to UNI 8065
(Water treatment in heating systems for civil use).
• Direct plumbing to radiators prevents proper
operation, owing to the small diameter of their pipes.
Real size templates are available for technicians.
WAteR cIRcUIt InstALLAtIon
COMPONENTS
MAY
It
reduces
fuel
InstALLeR
Edilkamin offers four internal kits (optional)
PIPe KIt
it consists of delivery and return pipes if the other
hydraulic components are installed externally (pump,
etc.).
R KIt (specific for Vyda H and Kira H)
for installations without the production of instant
domestic hot water.
R2 KIt (specific for Vyda H and Kira H)
For installations without the production of instant
domestic hot water with system separator.
RW KIt (specific for Vyda H 22 and Kira H 22)
For installations with the production of instant domestic
hot water. Recommended for 22 kW models only.
PRessURe GAUGe
Kira H and Vyda H are provided with an electronic
reading system for water pressure. Therefore, there is
no analogue pressure gauge. Water pressure is shown
on the display, on the bottom left (*) as indicated in
the figure below. Edilkamin proposes an analogue
pressure gauge as optional.
(*)
The product, without any kit, comes as shown in the
figure below.
G
check that the swivel nut (G) on
the two output pipes of the boiler
stove are closed
Vent
During
normal
is automatic. During installation, the
technician must check the functionality of
the automatic vent and assess whether a
manual vent needs to be installed.
operations
the
vent
11
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