Potter NGP-300D, Инструкция по установке, эксплуатации и обслуживанию

Страница: 14 / 36

14
Manual: NGP-300D
8. Standard Air Filling Method
1. Before beginning, make sure the water supply to the
sprinkler system is turned off.
2. Make sure all piping connections have been made
according to installation instructions.
3. Close all Air Maintenance Device valves. If multiple
AMDs are used, ensure all valves are in closed position.
See Figure 7.
As shown in Figure 8:
4. Open the Nitrogen cabinet.
5. Open the Bypass Valve (Yellow Handle).
6. Close the Nitrogen "Inlet" Valve (Blue Handle) and the
Nitrogen "Outlet" Valve (Blue Handle).
7. Close the Nitrogen Test Port Valve (Green Handle).
8. Ensure the ball valve installed (by contractor) at the
nitrogen storage tank outlet is closed. Also ensure air
storage tank petcock and nitrogen storage tank petcock
are closed.
NOTE:
AMD shown in closed position
Nitrogen "Outlet" Valve
(Blue Handle)
Nitrogen Test Port Valve
(Green Handle)
Nitrogen "Inlet" Valve
(Blue Handle)
Bypass Valve
(Yellow Handle)
Figure 7
Figure 8
(CLOSED)
(CLOSED)
(CLOSED)
firealarmresources.com