ICI Caldaie COSMOGAS AGUATANK 150, Instructions For Installation, Use And Maintenance Manual

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4 - INSTALLATION
4.4 - Tank drain cock
(installer’s responsibility)
It is advisable to install a cock to help drain the tank
(installer’s responsibility).
4.5 - Auxiliary exchanger (on
request)
On request, the Tank can be equipped with flanged auxiliary
exchanger. The auxiliary exchanger has an exchange
surface of 1.53 sq.m (see figure 4-11) (the auxiliary
exchanger is delivered separately, not mounted on the tank,
assembly is the installer’s responsibility). During installation
in the appropriate flange, be sure to position the gasket
provided with the exchanger correctly; it must be positioned
between the same exchanger and the appropriate
connection flange in each tank.
4.6 - Safety valve (installer’s
responsibility)
The Tank is not protected by a safety valve against
overpressures (to be provided by the installer)
ATTENTION !!! If the safety valve is not
connected to the drain, it could harm persons,
animals or objects should it intervene. The appliance
manufacturer cannot be held liable for this.
ATTENTION !!! For the safety valve in the
water heater, please refer to the relevant chapter in its
installation manual.
4.7 - Expansion tank
(installer’s responsibility)
The Tank must be equipped with expansion tank specific for
domestic circuits of adequate capacity to the system (to be
provided by the installer).
ATTENTION !!! Incorrect sizing of the expansion
tank could cause the safety valve to intervene.
4.8 - Electrical resistance (on
request)
The tank can be equipped with 1500 W electrical
resistance, complete with regulating thermostat and safety
thermostat. The electrical resistance is supplied on request
and delivered separately, not assembled in the tank,
assembly is the installer’s responsibility.
Figure 4-12 - Auxiliary exchanger (on request)
0,0
20,0
40,0
60,0
80,0
100,0
120,0
140,0
0 500 1000 1500 2000 2500 3000
P
er
di
te
d
i c
ar
ic
o
(K
pa
)
Portata acqua (l/h)
RIC20-2015
Figure 4-13 - Auxiliary exchanger head losses (on request)
RIC20-2015
Perdite di carico (Kpa)
Water flow rate (l/h)