Ariston PH640MT NG Especificações Página 17

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Installation instructions
17
If wall is sheathed with plaster or drywall, it is
recommended that two support boards, either 1”x4” or
1/2" (minimum) plywood first be attached across a pair
of studs, see Fig. 22.
B Secure the wall mounting bracket provided with the
heater to the wall surface. The heater must be kept
level on the wall surface (see Fig. 23).
B Hang the appliance on the bracket, see Fig. 24.
Fig. 22 Distance between support boards
Fig. 23 Leveling the mounting bracket on the studs
Fig. 24 Mounting the heater
3.8 Gas piping & connections
Before connecting the gas supply, check the rating
plate on the right side of the heater to be sure that the
heater is rated for the same gas to which it will be
connected.
In the United States: The installation must conform with
local codes or, in the absence of local codes, the
National Fuel Gas Code ANSI Z223.1/NFPA 54.
In Canada: The Installation must conform to CSA B149
INSTALLATION CODES and/or local installation
codes.
GAS CONNECTIONS
B Install a manual gas shut off valve on the gas supply
line within easy reach of the appliance.
B Install a union when connecting gas supply.
Warning: Do not install this appliance
on a carpeted wall. The heater must be
mounted on a wall using appropriate
anchoring materials.
Studs 16"
(406mm) on
center
Warning: Appliance must be installed
vertically.
Warning: DO NOT connect to an
unregulated or high pressure propane
line or to a high pressure commercial
natural gas line.
Warning: The heater must be isolated
from the gas supply piping system
during any pressure testing of that
system at test pressures equal to or
more than 0.5 psig. If overpressure has
occurred, such as through improper
testing of the gas lines or malfunction of
the supply system, the gas valve must
be checked for safe operation.
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