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fIgURE 10. wIRINg DIAgRAM fOR RTS451/RTS151/RTS451kEy/RTS151kEy REMOTE TEST STATION TO 
2-wIRE D2-AUS DUCT DETECTOR:

24 VAC (+10%, –15%)

FULL WAVE RECTIFIED,

UNFILTERED POWER

MAY BE USED

RTS451/RTS451KEY

(OPTIONAL) REMOTE

TEST STATION

MAGNET

TEST

SWITCH

ALARM

LED (RED)

4

5

2

1

(+)

(–)

+ RA

+ RTS

– RA

+ TEST COIL

– TEST COIL

+ IN

+ OUT

(–)

(+)

D2-AUS

24 VDC

AUX POWER

SUPPLIED

BY USER

(100mA

SUPPLY)

RTS451/RTS451KEY

(OPTIONAL) REMOTE

TEST STATION

24 VAC (+10%, –15%)

FULL WAVE RECTIFIED,

UNFILTERED POWER

MAY BE USED

MAGNET

TEST

SWITCH

ALARM

LED (RED)

4

5

2

1

(+)

(–)

+ RA

+ RTS

– RA

+ TEST COIL

– TEST COIL

+ IN

+ OUT

24 VDC

AUX POWER

SUPPLIED

BY USER

(100mA

SUPPLY)

D2-AUS

NOTE:

 THE USE OF EITHER THE RTS451 OR RTS451KEY REQUIRES THE INSTALLATION OF AN ACCESSORY COIL, DCOIL, SOLD 

SEPARATELY. SEE FIGURE 9 ABOVE FOR REFERENCE.

METHOD #1 - AUX POWER LOCATED

 AT DUCT DETECTOR

METHOD #2 - AUX POWER LOCATED

AT TEST STATION

H0612-13

SS-300-023 

I56-3641-001R 

 

 

©2010 System Sensor

ThREE-yEAR LIMITED wARRANTy

System  Sensor  warrants  its  enclosed  product  to  be  free  from  defects  in  materials  and 
workmanship  under  normal  use  and  service  for  a  period  of  three  years  from  date  of 
manufacture. System Sensor makes no other express warranty for the enclosed product. 
No agent, representative, dealer, or employee of the Company has the authority to in-
crease or alter the obligations or limitations of this Warranty. The Company’s obligation 
of this Warranty shall be limited to the replacement of any part of the product which 
is  found  to  be  defective  in  materials  or  workmanship  under  normal  use  and  service 
during the three year period commencing with the date of manufacture. After phoning 
System  Sensor’s  toll  free  number  800-SENSOR2  (736-7672)  for  a  Return  Authorization 
number, send defective units postage prepaid to: System Sensor, Returns Department, RA 

#__________, 3825 Ohio Avenue, St. Charles, IL 60174. Please include a note describing 
the malfunction and suspected cause of failure. The Company shall not be obligated to 
replace  units  which  are  found  to  be  defective  because  of  damage,  unreasonable  use, 
modifications, or alterations occurring after the date of manufacture. In no case shall the 
Company be liable for any consequential or incidental damages for breach of this or any 
other Warranty, expressed or implied whatsoever, even if the loss or damage is caused by 
the Company’s negligence or fault. Some states do not allow the exclusion or limitation of 
incidental or consequential damages, so the above limitation or exclusion may not apply 
to you. This Warranty gives you specific legal rights, and you may also have other rights 
which vary from state to state.

Please refer to insert for the Limitations of Fire Alarm Systems

[13] OPTIONAL ACCESSORIES

The  D2-AUS  duct  smoke  detector  can  be  used  with  the  RA400Z/RA100Z, 
RTS451/RTS151, or RTS451KEY/RTS151KEY remote test station.

fIgURE 8. wIRINg DIAgRAMS fOR OPTIONAL ACCESSORIES:

ALARM + 

AUX OUT – 

15

20

(+)

(–)

RED

RA400Z 

(OPTIONAL) 

REMOTE (LED)

ANNUNCIATOR

D2-AUS

DUCT DETECTOR

H0611-04

[13.1] RTS451/RTS151/RTS451kEy/RTS151kEy REMOTE TEST 
STATION

The  RTS451/RTS151/RTS451KEY/RTS151KEY  Remote  Test  Station  facilitates 
test  of  the  alarm  capability  of  the  duct  smoke  detector  as  indicated  in  the 
RTS451/RTS151/RTS451KEY/RTS151KEY manual. The D2-AUS duct smoke de-
tector must be reset by the system control panel. If a system control panel is 
used, the panel itself may also require testing.

To install the RTS451/RTS151/RTS451KEY/RTS151KEY, connect the device as 
shown in 

Figure 10

 on page 6; wire runs must be limited to 25 ohms or less 

per interconnecting wire. 

NOTE: The use of a remote test station requires the installation of an acces-
sory coil, part number DCOIL, sold separately. See Figure for reference.
1)  Install DCOIL in housing pocket insuring that arrow is pointing toward detector
2)  Install DCOIL mounting screw
3)  Connect each DCOIL lead to a Test Coil Terminal

fIgURE 9. D2-AUS wITh OPTIONAL TEST COIL:

H0561-00

TEST COIL TERMINALS

TEST COIL

TEST COIL SCREW

Summary of Contents for D2-AUS

Page 1: ...revent the detector from activating when smoke is present in the air duct 2 General Description Smoke introduced into the air duct system will be distributed throughout the entire building Smoke detectors designed for use in air duct systems are used to sense the presence of smoke in the duct Model D2 AUS Duct Smoke Detector utilizes photoelectric technology for the detection of smoke This detecti...

Page 2: ...and 10 4 4 tests Figure 2 REMOVE SCREW AND PIVOT DETECTOR AS SHOWN BELOW REPLACE SCREW TO SECURE DETECTOR IN PLACE H0550 00 5 3 Drill the Mounting Holes Remove the paper backing from the mounting template supplied Affix the tem plate to the duct at the desired mounting location Make sure the template lies flat and smooth on the duct 5 3 1 For rectangular side by side mounting configuration Center ...

Page 3: ...ither side of the 1000Ω resistor Allow unit to warm up for 15 seconds With both HIGH and LOW pressure ports open to ambient air measure and record the voltage drop across the 1000Ω resistor measurement 1 4 00 volts is typical Using flexible tubing and rubber stoppers connect the 6 Sampling Tube Installation 6 1 Sampling Tube Selection The sampling tube must be purchased separately Order the correc...

Page 4: ... being used before wiring the detector loop 8 1 Wiring Instructions The D2 AUS detectors are designed for easy wiring The housing provides a terminal strip with clamping plates Wiring connections are made by sliding the bare end of the wire under the plate and tightening the clamping plate screw See Figure 6 below for system wiring 9 DETECTOR STATUS INDICATION Detector status is indicated by the L...

Page 5: ... m sec Spray aerosol smoke into the duct through the 6 4 mmhole for five seconds Wait two minutes for the duct smoke detector to alarm If the duct smoke detector alarms air is flowing through the detec tor Remove the duct smoke detector cover and blow out the residual aerosol smoke from the chamber and reset the duct smoke detector Use duct tape to seal the aerosol smoke entry hole Aerosol smoke c...

Page 6: ...nction and suspected cause of failure The Company shall not be obligated to replace units which are found to be defective because of damage unreasonable use modifications or alterations occurring after the date of manufacture In no case shall the Company be liable for any consequential or incidental damages for breach of this or any other Warranty expressed or implied whatsoever even if the loss o...

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