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Smoke Detector PSD – 2 & 4 Wire Units 

Summary of Contents for PSD Series

Page 1: ...www fenwal direct eu www prevent a fire eu Smoke Detector PSD 2 4 Wire Units ...

Page 2: ...re detection feature rated at 15 F 8 3 C per minute All detectors are designed for 2 Wire and 4 Wire installation using the appropriate Detector bases The Smoke and Heat Detectors are UL Listed fo Open Area Protection applications per UL 268 and UL 521 respectively Detectors may also be installed in systems intended for Releasing Devic Service through use of a compatible Fire Alarm Control Panel D...

Page 3: ...iling obstructions high air exchange rates etc reduced spacing must be used to achieve adequat protection Computer rooms and other such installations may require spacing with a maximum of 200 square feet 18 6 m2 due to high air exchang rates For additional information consult NFPA 72 and the Fenwal Automatic Fire Detection Application Engineering Manual MC 402 Per UL Listing open area smoke detect...

Page 4: ...m is required 6 Locate detectors on the downstream side of filters to sense fires in the filters However it should be noted that should the filters block the ai flow sufficient air flow may no longer be present for proper operation of the duct detector 7 Locate detectors whenever possible where they can be conveniently observed and readily serviced 8 Locate detectors in return air ducts ahead of m...

Page 5: ...EST SWITCH 3 6 5 4 RA 914 REMOTE LED TEST SWITCH 3 6 5 4 END OF PANEL LINE DEVICE CIRCUIT Figure 3 Detector Using 2 Wire 2WRLT Base with Remote Indicator and Remote Test Switch Optio FIRST DETECTOR BASE LAST DETECTOR BASE AUX RELAY AUX AUX RELA RELAY Y RA 914 CONTACTS RA 914 RA 914 CONT CONTACTS ACTS REMOTE LED FORM C REMOTE REMOTE LED LED FORM FORM C C TO CONTROL PANEL INITIATING CIRCUIT 8 7 3 6 ...

Page 6: ... been activated insert a smal screwdriver into the slot on the base to push the plastic tab while simultaneously turning the detector head counterclockwise see Figure 6 Use small bladed screwdriver 1 to push locking tab Test magnet 4 position 7 5 BREAK PLASTIC TAB BY TWISTING TOWARD CENTER OF BASE 1 BODY 2 CONTACT ARM 3 2 6 3 CONTACT SPRING 4 TERMINAL PLATE 5 JUMPER WIRE remove before installation...

Page 7: ...ING FENWAL SERIES 70 201000 XXX BASE RETROFIT ADAPTER MA 001 P N 70 501000 003 CPD 705x PSD 715x THD 705x Figure 8 Installing Mechanical Adapter MA 00 DETECTOR TESTING AND SENSITIVITY METERIN FREQUENC Testing shall be performed upon installation of the detector and once a year thereafter as stated in NFPA 72 latest edition Smoke Detector sensitivit shall be metered within one year of installation ...

Page 8: ... should alarm as indicated by stead illumination of the alarm indicator LEDs To return each detector to normal operation reset the control unit 4 Failure to alarm in test 3 indicates a defective detector requiring service 5 After taking appropriate corrective action re engage Alarm Signal Devices Releasing Devices and Extinguishing Systems and ensure that th entire system is returned back to norma...

Page 9: ...y Module 70 500000 102 4WRM Spare 4 Wire Relay Module DETECTOR ACCESSORIE Part No Model Description 06 117883 001 Test Magnet 29 116788 001 EOL Supervisory Relay 70 200000 911 RA 911 Remote Alarm Indicator 70 200000 914 RA 914 Remote Alarm Indicator w Smoke Detector Test Switch 70 500000 002 ST 001 Smoke Detector Sensitivity Tester 70 500000 003 DST 003 Wireless Infrared Smoke Detector Sensitivity...

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