HPC EI Series - LP Tank Enclosure Design & Specifications

10
Remote LP Tank System Enclosure Requirements - If Applicable
• Ventilation openings in sidewalls shall not communicate directly
with other enclosures of the appliance. See Tables 6.1 and 6.2.
LP Tank Size
Top Opening
Bottom Opening
20 LB (9.1 KG)
20 in
2
(130 cm
2
)
10 in
2
(65 cm
2
)
30 LB (13.6 KG)
30 in
2
(195 cm
2
)
15 in
2
(100 cm
2
)
Table 6.1 – LP tank enclosure opening specifications by tank size.
LP Tank Enclosure Specifications
2 Openings for each top and bottom - 180° apart
From LP tank base to bottom of opening - Max. 1" (25.4mm)
From floor to base of LP tank - Min. 2" (50.8mm)
Table 6.2 – LP tank enclosure opening specifications.
• 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 the equivalent at a minimum of 180
degrees apart to facilitate lifting of the cover.
• The enclosure for the LP-gas cylinder shall isolate the cylinder from
the burner compartment to provide:
- Shielding from radiation;
- A flame barrier; and
- Protection from foreign material.
• There shall be a minimum clearance of 2 inches (50.8mm) between the
floor of the non-disposable LP-gas cylinder enclosure and the ground.
• The design of the enclosure shall be such that:
- A non-disposable LP-gas cylinder can be connected,
disconnected, and the connections inspected and tested outside
the cylinder enclosure; and
- Those connections, which could be disturbed when installing the
cylinder in the enclosure, can be leak-tested inside the enclosure.