Home » System Sensor wfdtnr Install and Maint Instructions
File preview
Click the button below to download immediately for free
Show text preview
~SYsTEM SENSOR Division of Pittway 3825 Ohio Avenue, St. Charles, Illinois 60174 FAX: 630-377-6495 AND MAINTENANCE INSTRUCTIONS Vane-type Detector Ratings: Threshold Bandwidth (Flow Rate): 4 – 10 GPM Pressure Rating: Installed: Temperature Range: Weight: A @ 125/250 VAC A @ 24 VDC PSI (Max.) 31/4″W 41/4″D above pipe tee F – 120 F (0 C – 49 C) lbs. Read Carefully And Save instruction manual contains important information the installation and operation of waterflow detectors. who install waterflow detectors for use by oth- must leave this manual or a copy of it with the user. all instructions carefully before beginning. Tee Depth Requirements Figure 1) Depth Threaded Sweat Poly B CPVC 1 1 11/4 1 11/2 1 2 1″ CPVC/Central 1/4″ 1. Mounting dimensions: vane-type waterflow detectors in wet-pipe systems DO NOT USE IN DRY-PIPE, DELUGE, OR PRE-AC- SYSTEMS. The sudden inrush of water in such sys- may break the vane off or damage the mechanism. Do use in potentially explosive atmospheres. Do not leave wires exposed. 3/4″ 1/4″ Of Operation waterflow detectors mount to wet-pipe systems Water flow in the pipe deflects a vane. Deflection of vane produces a switched output. All detectors will ac- on a sustained flow of water greater than 10 gallons minute (gpm) but will not activate if the flow rate is than 4 gpm. Pipe Tees WFDTNR fits 1″ NPT threaded ferrous and 1″ – 2″ sweat brass, 11/2″ polybutylene plastic and 1″ plastic tees having a 1″ threaded NPT branch (see Fig- 1 and chart for recommended tee depths). Guidelines installing any waterflow alarm device, be thor- familiar with: 72: Maintenance and Use of Local Signalling Systems DEPTH” TO DEPTH TEE ADAPTOR (END OF TREE) FIT TOP TEE AND OF HEX ADAPTOR TEE FITTING VANE 13: 25: of Sprinkler Systems, specifically 3.17 Testing and Maintenance of Sprin- Systems, specifically Chapters 4 and 5 for Residential Dwellings for Multifamily Dwellings 13D: 13R: applicable NFPA standards, local codes and the re- of the authority having jurisdiction. to follow these directions may result in failure of the to report a waterflow condition. System Sensor is Manuals Online! – 2. Assembly diagram: PROOF (P/N WFDW) SCREW Use of thread sealant or tape is recommended. height gage (located at end of paddle tee) to ensure depth of detector on tee fitting. See Figure 1. gage must fit between top of tee fitting and under of hex tee adapter. A gap between gage and tee is acceptable. When correctly installed, the de- must face in the proper direction of waterflow and aligned with the pipe. Remove the plastic cover with the tamper proof wrench Move the actuator lever back and forth to for binding. If the vane binds, remove the detector correct the problem before proceeding. NPT THREAD FLOW sure the direction-of-flow arrow points in the correct di- otherwise a waterflow condition will go unre- See Figure 2. responsible for devices that have been improperly in- tested or maintained. Mount the detector where there is adequate clearance installation and removal and a clear view of it for in- See Figure 1 for mounting dimensions. Locate to protect from damage, 6-7 feet above the floor. On
~SYsTEM SENSOR Division of Pittway 3825 Ohio Avenue, St. Charles, Illinois 60174 FAX: 630-377-6495 AND MAINTENANCE INSTRUCTIONS Vane-type Detector Ratings: Threshold Bandwidth (Flow Rate): 4 – 10 GPM Pressure Rating: Installed: Temperature Range: Weight: A @ 125/250 VAC A @ 24 VDC PSI (Max.) 31/4″W 41/4″D above pipe tee F – 120 F (0 C – 49 C) lbs. Read Carefully And Save instruction manual contains important information the installation and operation of waterflow detectors. who install waterflow detectors for use by oth- must leave this manual or a copy of it with the user. all instructions carefully before beginning. Tee Depth Requirements Figure 1) Depth Threaded Sweat Poly B CPVC 1 1 11/4 1 11/2 1 2 1″ CPVC/Central 1/4″ 1. Mounting dimensions: vane-type waterflow detectors in wet-pipe systems DO NOT USE IN DRY-PIPE, DELUGE, OR PRE-AC- SYSTEMS. The sudden inrush of water in such sys- may break the vane off or damage the mechanism. Do use in potentially explosive atmospheres. Do not leave wires exposed. 3/4″ 1/4″ Of Operation waterflow detectors mount to wet-pipe systems Water flow in the pipe deflects a vane. Deflection of vane produces a switched output. All detectors will ac- on a sustained flow of water greater than 10 gallons minute (gpm) but will not activate if the flow rate is than 4 gpm. Pipe Tees WFDTNR fits 1″ NPT threaded ferrous and 1″ – 2″ sweat brass, 11/2″ polybutylene plastic and 1″ plastic tees having a 1″ threaded NPT branch (see Fig- 1 and chart for recommended tee depths). Guidelines installing any waterflow alarm device, be thor- familiar with: 72: Maintenance and Use of Local Signalling Systems DEPTH” TO DEPTH TEE ADAPTOR (END OF TREE) FIT TOP TEE AND OF HEX ADAPTOR TEE FITTING VANE 13: 25: of Sprinkler Systems, specifically 3.17 Testing and Maintenance of Sprin- Systems, specifically Chapters 4 and 5 for Residential Dwellings for Multifamily Dwellings 13D: 13R: applicable NFPA standards, local codes and the re- of the authority having jurisdiction. to follow these directions may result in failure of the to report a waterflow condition. System Sensor is Manuals Online! – 2. Assembly diagram: PROOF (P/N WFDW) SCREW Use of thread sealant or tape is recommended. height gage (located at end of paddle tee) to ensure depth of detector on tee fitting. See Figure 1. gage must fit between top of tee fitting and under of hex tee adapter. A gap between gage and tee is acceptable. When correctly installed, the de- must face in the proper direction of waterflow and aligned with the pipe. Remove the plastic cover with the tamper proof wrench Move the actuator lever back and forth to for binding. If the vane binds, remove the detector correct the problem before proceeding. NPT THREAD FLOW sure the direction-of-flow arrow points in the correct di- otherwise a waterflow condition will go unre- See Figure 2. responsible for devices that have been improperly in- tested or maintained. Mount the detector where there is adequate clearance installation and removal and a clear view of it for in- See Figure 1 for mounting dimensions. Locate to protect from damage, 6-7 feet above the floor. On