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5.1 - Opening the packaging
The appliance is supplied in a carton box.
5.2 - Dimensions and
minimum clearances
It is necessary to leave free spaces around the appliance as
illustrated in gure 5-1 both for installation and maintenance.
5.3 - Choosing suitable
installation location
CAUTION !!! The appliance must be installed
exclusively on a solid, vertical wall, which can support
the weight.
The appliance must be installed in a suitable room taking
into account the following factors:
- connection of the exhaust/air intake pipes;
- connection of the gas supply pipe;
- connection to the cold water pipe;
- connection of the domestic hot water pipe;
- electrical connection;
- connection of the condensate drain;
5.4 - Mounting the appliance
Refer to gure 5-4:
1.- place the paper template, provided with the appliance,
against the wall;
2.- check that the template is plumb;
3.- mark the holes for the plugs and hydraulic ttings on the
wall;
4.- remove the paper template;
5.- make the holes “A” and introduce the wall plugs “B”;
6.- hang the appliance on the plugs “C”
7.- make hydraulic and gas connections;
5.5 - Domestic hot and cold water
CAUTION !!! water quality must be within
6,5<pH<8,5 acidity value.
CAUTION !!! If water hardness exceeds 20°f (200
mg/l or 11,2°dH) a water softner must be installed on
the incoming cold water supply.
CAUTION !!! If water heater works at
temperature higher than 60°C and until 75°C, water
hardness must be lower than 15°f (150 mg/l or 8,4°dH)
CAUTION !!! Water hardness must not be
reduced lower than 5°f (50mg/l or 2,8°dH). Softened
water than 5°f (50mg/l or 2,8°dH) is aggressive and can
corrode the heat exchanger reducing life expectation.
CAUTION !!! Install a lter with mesh no wider
than 0.5 mm² in the domestic cold water inlet.
CAUTION !!!
This water heater can supply water
at a temperature up to 95°C (setup of the safety high limit
thermostat) and pressure of 10 bar (maximum setup of the
relief valve). If the hot water system is built with materials not
able to resist to this temperature and pressure, contractor
1 - Cap (NOT TO BE USED)
2 - 1” D.H.W. outlet
3 - 3/4” gas inlet
4 - 3/4” cold water inlet
5 - Flue/Air intake
6 - Support attachments
7 - Ø20 condensate drain
5 - INSTALLATION
Figure 5-1 - Minimum distances for maintenance
Figure 5-2 - Dimensions and connections ICW 25
and 35
15


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