Initial power-up – Amico Dome Loaded Manifold Nema-4 NFPA User Manual
Page 19
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19
Initial Power-Up
Release the two latches on either side of the manifold control panel and remove the cover.
Verify the following:
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Both master valves located on both header bars are turned fully counter clockwise (open).
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All four line regulator isolation valves are open (handles horizontal).
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Power supply has been connected.
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Both red “empty” indicators on the front of the manifold are illuminated.
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If connected to a master alarm panel, “Secondary Supply” alarm is activated.
Close 3/4” source shut-off valve.
Slowly open one cylinder on the right side of the manifold
Verify the following:
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Right bank red “empty” LED goes out.
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Right bank green “in use” LED illuminates.
•
Right bank cylinder contents gauge reads cylinder pressure.
Slowly open one cylinder on the left side of the manifold.
Verify the following:
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Left bank red “empty” LED goes out.
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Left bank yellow “ready” LED illuminates.
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Left bank cylinder contents gauge reads cylinder pressure.
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If connected to a master alarm panel, “secondary supply” alarm is not activated.
Close right bank cylinder. Slightly depress bleed valve located on the side of the regulator. Verify the
following:
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Right bank cylinder contents gauge drops slowly.
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As the right cylinder contents gauge is nearly depleted, the manifold changes over to the left bank.
•
After change-over, the right bank green “In Use” LED goes out and the red “Empty” LED illuminates.
•
After change-over, the left bank yellow “Ready” LED goes out and the green “In Use” LED illuminates.
Verify the “line pressure” gauge reading is acceptable.
Slowly open one cylinder on the right side of the manifold
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