38
60T - 280T
COSMOGAS
11.1 - AGUADENS hot water heater
plumbing and gas connections
WARNING! Use trolleys suitable for the type of
boiler to move it. Not doing this could cause serious
harm.
To identify the position of the connections, see figures 9-1
and 9-2.
Gas connection
Connecting to the gas must be made to the relative
attachment with a rigid metal pipe. The capacity of the gas
meter must be adequate for the simultaneous use of all the
gas boilers connected to it. Connect the boiler to the gas,
as required by the regulations in force. The diameter of the
gas pipe that comes out of the boiler, is not a determining
factor when choosing the diameter of the pipe between
the boiler and the meter; it must be chosen according to its
length and to head losses.
WARNING! It is recommended that a gas
isolation valve should be installed immediately before
the boiler, in order to allow the gas supply to be
interrupted.
11 - INSTALLATION - Plumbing connections - AGUADENS hot water heater
WARNING! Do not power the appliance with
gases other than those specified.
11.2 - AGUADENS hot
water heater safety valve
(responsibility of the installer)
The boiler is supplied with no safety valve against too
high pressure, so that the installer is able to choose the
valve that suits the system’s operating pressure (check
the operating pressure of the boiler in the technical data
section). The installation must be carried out in such a way
as to allow the user to check it has intervened when the
valve is opened. The safety valve outlet (responsibility of
the installer) must be orientated in such a way as to avoid
danger for people if it intervenes.
WARNING! If you do not route the safety valve,
it might cause harm to people, animals or things if it
has to intervene.
11.3 - AGUADENS hot water
heater examples of installation
Figure 11-1 - AGUADENS example of connection diagram
2 INAIL safety valve
3 INAIL pressure gauge
4 INAIL thermometer
5 INAIL maximum safety pressure switch
6 INAIL safety thermostat
7 Gas cock
8 INAIL Gas isolation valve
9 INAIL basin
10 Gas inlet
11 Expansion tank
12 Microbubble separator
14 Filter
15 Electric power supply
18 Cold DHW
23 ----------
24 INAIL minimum safety pressure switch
36 DHW circuit pump
38 AGUADENS model 60T-280T hot water heater
39 Polyphosphate salts softener
40 Hydraulic safety unit (EN 1487)
41 Storage tank
42 Storage tank probe
43 Storage tank outlet valve
44 DHW outlet
45 Storage tank safety valve
46 Storage tank air vent valve
56 Balancing valve (necessary if there is in the boiler the
motorised valve, detail “17” in figure 3-1 and pump “36” is
NOT
the modulating type)
57 - Drain cock
