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Idiomas disponibles
Idiomas disponibles
SAFETY INFORMATION (CONT.)
ENCLOSURES FOR SELF-CONTAINED
PROPANE GAS SUPPLY SYSTEMS
An enclosure for a propane gas cylinder shall
be ventilated by openings at both the upper
and lower levels of the enclosure. The effective
ness of the opening(s) for purposes of ventilation
shall be determined with the propane gas supply
cylinder in place. This shall be accompanied by
one of the following:
a) One side of the enclosure shall be completely
open; or
b) For an enclosure having four sides, a top and a
bottom :
i)
At least two ventilation openings shall be
provided in the sidewalls of the enclosure,
located at the valve level, equally sized,
spaced at a minimum of 90 degrees (1.57
rad), and unobstructed. The opening(s)
shall have a total free area of not less than
1 in
/lb (14.2 cm
2
ii) Ventilation opening(s) shall be provided
at floor level of the enclosure and shall
have a total free area of not less than ½
in
/lb (7.1 cm
/kg) of stored fuel capacity.
2
2
If ventilation openings at floor level are
in a sidewall, there shall be at least two
openings. The bottom of the openings
shall be 1 in (25.4 mm) or less from the floor
level and the upper edge no more than
5 in (127 mm) above the floor level. The
openings shall be equally sized, spaced at
a minimum of 90 degrees (1.57 rad), and
unobstructed .
iii) Every opening shall have minimum
dimensions to permit the entrance of a 1/8
in (3.2 mm) diameter rod.
iv) Ventilation openings in sidewalls shall
not communicate directly with other
enclosures of the heater.
/kg) of stored fuel capacity.
2
The cylinder valve shall be readily accessible
for hand operation. A door on the enclosure to
gain access to the cylinder valves is acceptable,
provided it is non-locking and can be opened
without the use of tools. Designs using a cover
to gain access to the cylinder and cylinder valve
shall be provided with handles or equivalent at a
minimum of 180 degrees apart to facilitate lifting
of the cover.
The enclosure for the propane gas cylinder shall
isolate the cylinder from the burner compartment
to provide
a) Shielding from radiation;
b) A flame barrier; and
c) Protection from foreign material, such as hot
drippings.
There shall be a minimum clearance of 2 in
(50.8 mm) between the floor of the propane gas
cylinder enclosure and the ground.
Leak tested inside the enclosure. When the
appliance is equipped with a CGA No. 600
connection, the cylinder must be disconnected
when the heater is not in use.
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