Victaulic FireLock NXT 769N Series Manuals

Manuals and User Guides for Victaulic FireLock NXT 769N Series. We have 2 Victaulic FireLock NXT 769N Series manuals available for free PDF download: Installation, Maintenance, And Testing Manual, Rebuild Instructions

Victaulic FireLock NXT 769N Series Installation, Maintenance, And Testing Manual (38 pages)

Actuated Valve with Preaction Trim

Brand: Victaulic | Category: Control Unit | Size: 17 MB

Table of Contents
4
Hazard Identification
4
Installer Safety Information
4
Important Installation Information
4
Hydrostatic Testing
5
Receiving the Shipment
5
Trim Dimensions
6
Trim Components - Exploded View Drawing
7
Internal Valve Components - Section View and Exploded View Drawings
8
Air Supply Requirements
9
Base- or Riser-Mounted Air Compressors
9
Shop Air or Tank-Mounted Air Compressors
9
Compressor Requirements and Settings for a Series 769N Firelock NXT Actuated Valve Installed with Series 746-LPA Dry Accelerators
9
Settings for Air Supervisory Pressure Switches and Alarm Pressure Switches
9
Initial System Setup
10
Resetting the System
14
Weekly External Inspection
16
Monthly External Inspection
16
Required Main Drain Test
18
Required Water Flow Alarm Test
18
Required Water Level and Low-Air Alarm Tests for the System Supervisory Switch
21
Required Water Level and Low-Air Alarm Tests for the Pilot Supervisory Switch
23
Required Partial Operational Trip Test
25
Required Full Operational Trip Test
26
Required Internal Inspection
28
Removing and Replacing the Clapper Seal
31
Removing and Replacing the Clapper Assembly
32
Installing the Cover Plate Gasket and Cover Plate
33
Removing and Replacing the Diaphragm Assembly
34
Cleaning the Cartridge in the Air and Priming Manifold Assemblies
35
Replacing the Filter in Series 798 Pneumatic/Pneumatic Actuators
35
Troubleshooting
36

Victaulic FireLock NXT 769N Series Rebuild Instructions (13 pages)

Dry Valves; Deluge Valves, and Actuated Valves with Preaction Trim

Brand: Victaulic | Category: Plumbing Product | Size: 10 MB

Table of Contents
2
Hazard Identification
2
Overview of Replacement Parts
3
Removing the System from Service
4
Instructions for Replacing Internal Valve Components
5
Placing the System Back in Service
12

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Victaulic FireLock NXT 769N Series Manuals

Victaulic FireLock NXT 769N Series Installation, Maintenance, And Testing Manual (38 pages)

Table of Contents

Victaulic FireLock NXT 769N Series Rebuild Instructions (13 pages)

Table of Contents

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