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6.

Fig. 2

Model DDX-LP Low Pressure Dry Pipe System 
Valve Legend
(

Note:

 Some items omitted for clarity)

Содержание N2-Blast DDX-LP PrePaK

Страница 1: ...rePaK system incor porates a South Tek Systems FPS 900 pressure swing adsorp tion N2 Blast nitrogen generator complete with independent air compressor nitrogen storage tank and control system The nitr...

Страница 2: ...ar The 2 2 1 2 3 and 8 sizes are rated for a maximum pressure of 250 psi 17 2 bar and the 4 and 6 sizes are rated for a maximum pressure of 300 psi 20 7 bar Water temperature must be maintained betwee...

Страница 3: ...3 Fig 1...

Страница 4: ...nal box mounted on the inside of the enclosure All field wiring connec tions are made at this terminal box A separate power connection is provided for the optional air compressor Note The air compress...

Страница 5: ...16 Secure the handle of the Model B Manual Emergency Station in the OFF position with a nylon tie supplied with the assembly Inspection And Testing Of The DDX LP PrePaK Systems Refer to Figure 2 1 Wat...

Страница 6: ...6 Fig 2 Model DDX LP Low Pressure Dry Pipe System Valve Legend Note Some items omitted for clarity...

Страница 7: ...7 Fig 3...

Страница 8: ...er has drained then close Note Leaving the condensate drain open for an extended pe riod of time may allow excess air nitrogen to bleed off and result in accidental release of the Model LP Dry Pilot A...

Страница 9: ...r can lead to incorrect gas supply The nitrogen generator produces nitrogen at a low flow rate which quickly dissipates into the air Nitrogen is not poison ous but do not directly inhaled since high c...

Страница 10: ...not adjust the factory preset cut in and out pressure without first consulting with South Tek Systems Patented BlastOff Leak Detection System The BlastOff Leak Detection is a patented feature which se...

Страница 11: ...r further troubleshoot ing Low System Pressure Alarm Mode Lo n2 The low system pressure alarm activates when a sys tem pressure is detected below the normal functioning limits of the nitrogen generato...

Страница 12: ...esponding filter housings Hand tighten only After replacing the filters check the filter bowls for leaks by turn ing on the unit momentarily Turn the unit off to reinstall the front cover and then pow...

Страница 13: ...Fig 5 Nitrogen Generator Filter Locations 13...

Страница 14: ...o 580 gallons 9 Nitrogen Generator Model B1 Accelerator 3 3 2 1 HP 115 VAC Systems up to 1170 gallons 4 4 3 1 2 HP 220 VAC 60 Hz Systems up to 580 gallons A 2 w System Side Control Valve 4 1 HP 220 VA...

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