UNITED Nitrogen Pac SC-W, Установка, наладка, обслуживание

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UNITED FIRE SYSTEMS NITROGEN-
PAC™
MODEL SC-W
INSTALLATION, COMMISSIONING, AND MAINTENANCE MANUAL
REVISION 1.01 MAR 2021 - P/N 30-NPWICM-000
44
3.4.3. Inlet, Outlet, and Drain Connections. Refer to Figure 26. The Model NR-5 Nitrogen Receiver inlet is at the TOP
of the device, and the outlet is on the SIDE of the device. The drain valve is on the BOTTOM of the device.
(a)
The
inlet can receive the 1/2 NPT male end of the outlet hose, or 1/2” pipe may be used to connect the 1/2 NPT male
end of the outlet hose to the inlet.
(b
) The outlet should receive 1/2 NPT pipe to connect to the inlet of the Model NAMD-1 Nitrogen / Air Maintenance
Device(s).
(c)
The drain may be left unconnected, or tubing may be run to an approved drain. If the Model NR-5 Nitrogen Receiver
is riser-mounted, tubing may be run from the drain to the drain cup on the sprinkler valve.
Figure 26
Connections
– Model NR-5 Nitrogen Receiver
INLET
1/2 NPT FEMALE
OUTLET
1/2 NPT FEMALE
DRAIN CONNECTION
1/2 NPT FEMALE