2-wire low-pro?e duct smoke detector outside mounting tabs patented plastic sampling tube ul recognized ?ld-replaceable power and sensor boards built-in reset button easy to clean 12/24 vdc operation photoelectronic models available remote test station option air velocity rating from 500 to 4000 fpm remote annunciator option easy and quick mounting to round or rectangular ducts from 1 12 wide textured cover for convenient visual inspection ul 268a listed 3-year warranty the system sensor dh100 2-wire duct smoke detector is available as a photoelectronic model. this new design allows for simpli?d cleaning and maintenance. the dh100 samples air currents passing through a duct and gives dependable performance for management of fans, blowers, and air conditioning systems, preventing the spread of toxic smoke and ?e gases through the protected area. warning: duct smoke detectors have speci c limitations. duct smoke detectors are: not a substitute for an open area smoke detector, not a substitute for early warning detection, and not a replacement for a building s regular re detection system. refer to nfpa 72 and 90a for additional duct smoke detector application information. model DH100P 2-wire photoelectronic detector product overview approved DH100P 2-wire photoelectronic detector
architectural/engineering speci cations the air duct smoke detector shall be a system sensor model dh100 series duct smoke detector. the detector housing shall be ul listed per ul 268a speci?ally for use in air handling systems. the detector shall operate at air velocities of 500 feet per minute to 4000 feet per minute. it shall be capable of local testing via magnetic switch or remote testing using the rts451key remote test station. the unit shall be reset by local reset button or rts451key. the duct detector housing shall incorporate an airtight smoke chamber in compliance with ul 268a, standard for smoke detectors for duct applications. the housing shall be capable of mounting to either rectangular or round ducts without adapter brackets. an integral ?ter system shall be included t o reduce dust and residue effects on detector and housing, thereby reducing maintenance and servicing. sampling tubes shall either be plastic or be easily installed after the housing is mounted to the duct by passing through the duct housing. the encl o- sure shall meet all applicable nec and nfpa standards regarding electrical junction boxes. terminal connections shall be of the strip and clamp method suitable for 12-18 awg wiring. size 14 3 8 (37 cm.)l 5 1 2 (14 cm.)w 2 3 4 (7 cm.)d shipping weight 3 1 4 lbs. operating temperature range 32 to 131 f (0 to 55 c) operating humidity range 10% to 93% relative humidity air duct velocity 500 to 4000 ft./min. standard specifications electrical ratings system voltage 12/24 vdc ripple voltage 4 volts peak to peak start-up capacitance 0.02f maximum standby ratings 8.5 vdc minimum 35 vdc maximum 120a maximum alarm ratings 4.2 vdc minimum at 10ma 6.6 vdc maximum at 100ma alarm current must be limited to 100ma or less by the control panel. if used, the ra400z remote lamp operates within the specified alarm currents reset voltage: 2.50 vdc minimum reset time: 0.3 sec. maximum start-up time 34.0 sec. maximum
dh100 wiring guide system wiring diagram for 2-wire duct smoke detectors (detectors powered from initiating device circuit) wiring diagram for rts451key remote test station to 2-wire duct smoke detectors 1 2 3 4 5 6 7 3 4 5 test + test / reset reset + test reset ra + ra v out + v in + 8 7 8 v in / v out v in + v in / v out dh100 rts451 or rts451key 6 2 1 alarm led no connection + panel coil note please note that the magnetic coil supplied with the rts451/rts451key is not required when these accessories are used with the dh100 detectors. the functionality of the magnetic coil has been designed into the circuitry of the innovair duct smoke detectors. 4 (+) (+) 5 8 ( ) ( ) in ( ) out 1st detector in loop dh100 ( ) ra400z (optional) remote alarm led 2.8 vdc nom. in alarm 4 (+) (+) 5 8 ( ) ( ) in ( ) out last detector in loop dh100 ( ) ra400z (optional) remote alarm led 2.8 vdc nom. in alarm e o l r style d optional wiring ul listed compatible 2-wire control panel alarm initiation loop (+) ( ) eol resistor specified by panel manufacturer supervisory switch 76 (+) in (+) out supervisory switch 76 (+) in (+) out
system sensor headquarters 3825 ohio avenue st. charles, il 60174 ph: 800-sensor2 fx: 630/377-6495 documents on demand 1-800-736-7672 x3 www.systemsensor.com system sensor canada ph: 905.812.0767 fx: 905.812.0771 system sensor uk ph: 011.44.1403.276500 fx: 011.44.1403.276501 system sensor in china ph: 011.86.29.524.6253 fx: 011.86.29.524.6259 system sensor in singapore ph: 011.65.273.2230 fx: 011.65.273.2610 system sensor far east ph: 011.852.2191.9003 fx: 011.852.2736.6580 system sensor australia ph: 011.613.54.281.142 fx: 011.613.54.281.172 apa451 piezo annunciator (ul s4011) rts451key remote test station with key (ul s2522) pa400 with ps24low add-on strobe (ps12/24slensw smoke lens option available) (ul s3593) rts451 remote test station (ul s2522) ra400z remote annunciator (ul s2522) system sensor sales and service ? 1999 system sensor. the company reserves the right to change product speci cations without notice. a05-976-02 10/99(10k) #554 ordering information part number description DH100P 2-wire photoelectronic duct smoke detector a5069 replacement photoelectronic detector head a5061 replacement 2-wire power board accessories st-1.5 metal sampling tube duct widths 1 2 st-3 metal sampling tube duct widths 2 4 st-5 metal sampling tube duct widths 4 8 st-10 metal sampling tube duct widths 8 12 t80-71-00 replacement telescoping sampling tube p48-55-00 replacement end cap for t80-71-00 rts451key remote test station with key lock (see below) rts451 remote test station ra400z remote annunciator alarm led (see below) apa451 remote annunciator with piezo alarm mod400r sensitivity test module f36-09-00 replacement air filters (two per package) m02-04-00 test magnet p48-21-00 end cap for metal sampling tubes s08-39-01 photo replacement screen pa400 mini-alert sounder ps24lo mini-alert add-on strobe ps12/24slensc ceiling-mount smoke lens ps12/24slensw wall-mount smoke lens system sensor provides system exibility with a variety of accessories, including two remote test stations, and several different means of visible and audible system annunciation. as with our duct detectors, all duct smoke detector accessories are ul listed. accessories alarm power f i r e alarm reset alarm on reset test
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