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Intelligent Low-Flow
Duct Smoke Detectors
Intelligent Models Available
DH200PL
(non-relay)
DH200RPL
(with relay)
Product Overview
Air velocity rating from
100 to 4000 feet
per minute (0.5 to 20.32 m/sec.)
Patented telescopic sampling tube
Easily accessible code wheels
Outside mounting tabs
Easy and quick mounting to round
or rectangular ducts from 1′–12′
(0.3–3.7 meters) wide
Easy to clean
UL recognized field-replaceable
power and sensor boards
Transparent cover for convenient
visual inspection
UL 268A listed
3-year warranty
DH200PL (non-relay)
Has outputs for remote LED display,
remote test
Incorporates zener diodes to conserve
power for communications to other
devices
Requires com line power only
DH200RPL (with relay)
Powered outputs for remote LED, and
remote test and sounder
Two form “C” auxiliary contacts
Can be configured as a relay version or
jumpered to mimic a non-relay version
Patented cover tamper trouble signal
Requires both com line power and one of
the following; 24VAC/DC or
120/220VAC for operation
The System Sensor Innovair™ DH200 Low-Flow Series photoelectric air duct smoke
detectors are capable of sensing smoke in air velocities from 100 to 4,000 feet per min-
ute (0.5 to 20.32 m/sec).
This Innovair features low-flow technology that enables duct smoke detection through-
out a broad range of airflow environments. Many difficult to solve HVAC applications
occur in low airflow duct applications where reliable smoke detection is critical. Innovair
low-flow technology can detect smoke at air speed velocities of 100 feet per minute or
greater, while continuing the same reliable performance to 4,000 feet per minute.
The DH200 Series Detector samples air currents passing through a duct and gives
dependable performance for shutdown of fans, blowers, and air conditioning systems,
preventing the spread of toxic smoke and fire gases through the protected area.
These intelligent sensors communicate and are continuously monitored through the com-
munication line. Detector sensitivity changes caused by dirt, temperature, or humidity
are reported to the panel, allowing compensation algorithms to maintain the sensor’s set
sensitivity. An advance indication at the panel specifies the sensor address, allowing for
selected maintenance to be performed as needed.
Remote alarm annunciation can be accomplished by using the RA400Z Remote
Annunciator or the RTS451 or RTS451KEY Remote Test Station. Both these devices
allow testing of the detector from a remote location.
The Innovair family is designed for simplified installation and easy maintenance. The
modular construction allows for easy cleaning and uncomplicated field replacement of
the UL recognized power and sensor boards.
WARNING:
Duct smoke detectors have specific 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 fire detection system.
Refer to NFPA 72 and 90A for additional duct smoke detector application information.
DH200PL
DH200RPL
APPROVED
S911
3013287
2125
342-02-E
CS308
3240-1209:155
Architect/Engineer Specifications
The duct smoke detector shall be a System
Sensor Model DH200PL or DH200RPL
Intelligent Low-Flow Duct Smoke Detector
to be used with compatible control pan-
els. The duct smoke detector shall be UL
listed per UL 268A, Standard for Smoke
Detectors for Duct Applications, specifi-
cally for use in air handling systems. The
detector shall operate in air velocities from
100 to 4000 feet per minute. The detec-
DH200PL Specifications
Voltage Range
15 to 32 VDC
Standby Current
300µA @ 24 VDC (one communica-
tion ever y 5 seconds with LED blink
enabled)
Accessory Current Loads
Device
RA400Z
RTS451/RTS451KEY
Standby
0 mA
0 mA
Alarm
10 mA Max.
7.5 mA Max.
tor shall be an intelligent photoelectronic
detector. It shall be capable of local testing
via magnetic switch or remote testing from
the RTS451 or RTS451KEY Remote Test
Station. The duct smoke detector housing
shall incorporate an airtight smoke cham-
ber in compliance with UL 268A. The
housing shall be capable of mounting to
either rectangular or round ducts without
adapter brackets. An integral filter system
shall be included to reduce dust and resi-
due effects, thereby reducing maintenance
and servicing. Sampling tubes shall be eas-
ily installed after the housing is mounted
to the duct by passing through the duct
housing. Terminal connections shall be of
the strip and clamp method suitable for
12-18 AWG wiring.
Wiring diagram for DH200PL Duct Smoke Detector using a UL listed control panel
COM (+)
COM (+)
COMMON
RA400Z
RTS451
KEY
COM(+)
+
COMMUNICATION
LINE
COMMON
RA400Z
RTS451
KEY
COM(+)
COM (-)
COM(-)
–
UL LISTED CONTROL
PANEL
1ST DETECTOR
IN LOOP
2ND DETECTOR
IN LOOP
Wiring diagram for DH200PL Duct Smoke Detector with optional RA400Z
(Must break tab on back of RA400Z when used with DH200PL.)
RA400Z
COMMON
COMMON
RA400Z
RTS451
KEY
COM(+)
COM(-)
TEST
+
DH200PL
RA400Z
Wiring diagram for DH200PL Duct Smoke Detector with RTS451/RTS451KEY
TEST
RA400Z
RTS451
KEY
COMMON
COM(+)
COM(-)
COMMON
RA400Z
RTS451
KEY
COM(+)
COM(-)
TEST
TEST
COMMON
TEST
4
1
LED
5
6
FIELD INSTALLED
JUMPER
2
3
RESET
FOR RTS451, TERMINAL 3 IS NOT USED.
(RTS451 DOES NOT HAVE A TERMINAL 6.)
FOR RTS451KEY, TERMINALS 3 AND 6
ARE NOT USED.
DH200PL
RTS451/RTS451KEY
COM(-)
TEST
COM (-)
DH200RPL Specifications
Current Requirements (using no accessories)
Power supply voltage
Max. standby current
Max. alarm current
Alarm response time
Power up time
Contact Ratings
Alarm auxiliar y contacts* (DPDT)
10 A @ 30 VDC
10 A @ 277 VAC (0.75 power factor)
240 VA @ 249 VAC (0.4 power factor)
1
⁄
8
HP @ 120 VAC
1
⁄
4
HP @ 240 VAC
Supervisory contact (SPST)
2.0 A @ 30 VDC (resistive)
*Minimum switching current for auxiliar y contact
must be 100 mA DC minimum @ 5 VDC.
20-30 VDC
26 mA
87 mA
3 to 10 sec.
2 sec.
24 VAC, 50-60HZ
65 mA RMS
182 mA RMS
3 to 10 sec.
2 sec.
120VAC, 50-60Hz
44 mA RMS
52 mA RMS
3 to 10 sec.
2 sec.
220/240 VAC, 50-60Hz
25 mA RMS
30 mA RMS
3 to 10 sec.
2 sec.
Accessory Current Loads at 24 VDC
Device
PA400
RA400Z
RTS451/RTS451KEY
Standby
0 mA
0 mA
0 mA
Alarm
15 mA Max.
12 mA Max.
10 mA Max.
Wiring diagram for DH200RPL Duct Smoke Detector using a UL listed control panel
NOTE: Jumper J1 shunt must be installed for 2-W applications. J1 shunt must be removed for power PCB super vision.
COM (+)
COM (-)
COM (+)
+
COMMUNICATION
LINE
1
2
1 2
COM (-)
–
UL LISTED CONTROL
PANEL
NOTE: External power of 24V AC/DC or
120/220 VAC must be connected in
order to power all remote horn or
strobe accessories.
J1 JUMPER
1ST DETECTOR
IN LOOP
J1 JUMPER
2ND DETECTOR
IN LOOP
Wiring diagram for DH200RPL Duct Smoke Detector with optional RA400Z
5 7
RA400Z
Wiring diagram for DH200RPL Duct Smoke
Detector with RTS451/RTS451KEY
RTS 451/RTS451KEY
1
ALARM SIGNAL
DO NOT BREAK TAB ON RA400Z
5
ALARM SIGNAL
3
NOT USED
6
NOT USED
7
AUX. POWER (—)
2
4
5
CIRCUIT
REFERENCE
5 = Alarm Signal
7 = Aux. Power (—)
4
TEST +
TEST —
3
TEST
SWITCH
Wiring diagram for DH200RPL Duct Smoke Detector with optional PA400
5 7
PA400
FOR RTS451, TERMINAL 3 IS NOT
USED. (RTS451 DOES NOT HAVE
A TERMINAL 6.) FOR RTS451KEY,
TERMINALS 3 AND 6 ARE NOT USED.
5 = Alarm Signal
7 = Aux. Power (—)
Innovair
™
200 Series Low-Flow Specifications
Operating Temperature Range
32° to 131°F (0° to 55°C)
Operating Humidity Range
10% to 93% relative humidity
(non-condensing)
Storage Temperature Range
–22º to +158ºF (–30º to +70º C)
Duct Air velocity
100 – 4000 ft./min. (0.5 – 20.32 m/s)
Shipping Weight
DH200PL:
3.35lbs. (1.5 kg)
DH200RPL:
Length
14
3
⁄
4
″
(37 cm)
3.90lbs. (1.8 kg)
Width
5
1
⁄
2
″
(14 cm)
Depth
2
3
⁄
4
″
(7 cm)
Ordering Information
Par t No.
DH200PL
DH200RPL
ST-1.5
ST-3
ST-5
ST-10
A5053
A5060
A5067
Description
Innovair
™
intelligent low-flow photoelectric non-
relay duct smoke detector
Innovair intelligent low-flow photoelectric with
relay duct smoke detector
Metal sampling tube duct widths 1′–2′
Metal sampling tube duct widths 2′–4′
Metal sampling tube duct widths 4′–8′
Metal sampling tube duct widths 8′–12′
Replacement photoelectric sensor board
Replacement power board for DH200RPL (w/relay)
Replacement power board for DH200PL (w/o relay)
™
Accessories
RTS451
RTS451KEY
RA400Z
PA400
F36-09-11
M02-04-00
P48-21-00
P48-61-00
S08-39-01
T80-71-00
Description
Remote test station (see below)
Remote test station w/key (see below)
Remote LED (see below)
Mini-Aler t
™
Sounder (see below)
Replacement filters
Test magnet
End cap for metal sampling tube
End cap for plastic sampling tube
Replacement photo insect screen
Replacement plastic sampling tube
ALARM
ALARM
RESET
ON
TEST
RESET
RTS451
Remote Test Station
(UL S2522)
RTS451KEY
Remote Test Station with
key (UL S2522)
RA400Z
Remote
Annunciator
(UL S2522)
PA400
Mini-Aler t
™
Sounder
(UL S3593)
Device cannot be wired
directly to DH200PL
(non-relay).
System Sensor Sales and Service
System Sensor Headquarters
3825 Ohio Avenue
St. Charles, IL 60174
Ph: 800/SENSOR2
Fx: 630/377-6495
Documents-on-Demand
800/736-7672 x3
www.systemsensor.com
System Sensor Canada
Ph: 905.812.0767
Fx: 905.812.0771
System Sensor Europe
Ph: 44.1403.276500
Fx: 44.1403.276501
System Sensor in China
Ph: 86.29.524.6253
Fx: 86.29.524.6259
System Sensor in Singapore
Ph: 65.6273.2230
Fx: 65.6273.2610
System Sensor – Far East
Ph: 85.22.191.9003
Fx: 85.22.736.6580
System Sensor – Australia
Ph: 613.54.281.142
Fx: 613.54.281.172
System Sensor – India
Ph: 91.124.637.1770 x.2700
Fx: 91.124.637.3118
© 2003 System Sensor. The company reserves the right to change product specifications without notice.
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