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M414905
34
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
Gas Requirements
IMPORTANT: Any product revisions or conversions
must be made by the Manufacturer’s Authorized
Dealers, Distributors or local service personnel.
IMPORTANT: The tumbler must be isolated
from
the gas supply piping system by closing its
individual manual shut-off valve during any
pressure testing of the gas supply piping system at
test pressure equal to or less than
0.5 psig
(3.45 kPa, 34.5 mbar).
IMPORTANT: The tumbler and its manually
operated appliance gas valve must be disconnected
from the gas supply piping system during any
pressure testing of that system at test pressures in
excess of
0.5 psi (3.45 kPa, 34.5 mbar).
IMPORTANT: The installation must comply with
local codes or, in the absence of local codes:
● with the latest edition of the “National Fuel
Gas Code,” ANSI Z223.1/NFPA 54 in the
U.S.A.,
● with CAN/CSA-B149.1 or Natural Gas and
Propane Installation Code in Canada,
● and Australian Gas Association/Australian
L.P. Gas Association requirements in
Australia.
Obtain specific gas service pipe size from the gas
supplier. Refer to Table 5 for general pipe size.
The following must be furnished and installed by the
customer for the gas service line to each tumbler.
Refer to Figure 18.
● Sediment traps
● Shut-off valves
● Supply pressure taps
It is important that equal pressure be maintained at all
tumbler gas connections. This can be done by
installing a 1 inch (25.4 mm) pipe gas loop to maintain
equal pressure at all gas connections. Refer to
Figure 19.
NATURAL GAS line pressure must be maintained at
7 ± 1.5 inch water column pressure (1.74 ± 0.37 kPa)
with all gas appliances running (tumblers, water
heaters, space heaters, furnace, etc.). An in-line
pressure regulator may be required if the line pressure
exceeds 8 water column inches (2.0 kPa) with all gas
appliances running.
LIQUID PETROLEUM GAS (L.P.) line pressure must
be maintained at 11 ± 0.3 water column inches (2.74 ±
0.07 kPa) with all gas appliances running (tumblers,
water heaters, space heaters, furnace, etc.).
CE GASES refers to Installing CE Gas Drying
Tumblers section, the above data does not apply to the
CE.
WARNING
To reduce the risk of fire or explosion, DO
NOT CONNECT THE GAS LINE TO THE
TUMBLER IF THE GAS SERVICE IS NOT
THE SAME AS THAT SPECIFIED ON THE
TUMBLER SERIAL PLATE! It will first be
necessary to convert the gas burner
orifice and gas valve. Appropriate
conversion kits are available.
W060
WARNING
To reduce the risk of fire or explosion, if
the tumbler is to be connected to
Liquefied Petroleum (L.P.) gas, a vent to
the outdoors must be provided in the
room where the tumbler is installed.
W062