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Wiring Instructions

The 14506873-001 is designed for easy wiring. The housing provides a terminal strip with clamping plates. Wiring con-
nections are made by stripping approximately 3/8-inch of insulation from the end of the wire, sliding this bare end under
the plate, and tightening the clamping plate screw.

The 14506873-001 is built for 120/240 VAC or 24 VAC/DC to operate auxiliary functions. See Figure 5A for operating and
wiring details.

Notes on Jumper Wire J5 (See Figure 5A):

If the jumper wire is cut in a 2-wire application, the unit will not function.

1. When the detector is used in a 4-wire application (relay circuit is being used to control fans, dampers, etc.), jumper

wire J5, located between the two terminal strips on the printed circuit board, must be cut to insure power supply super-
vision.

2. When the detector is used in a 2-wire application (relay control is not being used for any control of fans, dampers,

etc.), jumper wire J5 must be left in place.

120/240 VAC OPERATION

To complete the wiring for 110/120 VAC operation, connect the power supply wires to terminals 15 and 16 (see Figure
5A). If 220/240 VAC operation is preferred, connect the power supply wires to terminals 16 and 17. 

24 VAC/DC OPERATION

To complete the wiring for 24 VAC or DC connect the power supply wires to the terminals marked 7 and 8. Polarity is not
important.

STEP 6. INSTALL THE FILTERS

Most duct installations are subject to dust accumulation.
System filters remove a large percentage of this contami-
nation, but cannot remove all of it. Dust inside the duct
detector causes problems. First, very fine particles of dust
can enter the detector sensing chamber and cause the
unit to go into alarm. Second, the accumulation of dust
and dirt necessitates a more frequent periodic cleaning
schedule, which can result in substantial cost and/or down
time.

Disposable sampling tube filters can greatly reduce the
nuisance alarms caused by dust, and can also significant-
ly extend the maintenance interval. To install the sampling
tube filters, simply push the filter adapter into the exhaust
tube, and then push the filter onto the adapter tube on the
left, as shown in Figure 6. Then install the other filter over
the end of the inlet sampling tube.

Caution:

Filters require periodic cleaning or replacement, depending on the amount of dust and dirt accumulated.
Visually inspect the filters at least quarterly; inspect them more often if the dust accumulation warrants it.
Replacement filters can be ordered from Honeywell (exhaust tube/intake tube filter P/N SSDF360500).

The filters do not substantially affect smoke behavior even when they are up to 90% clogged. Quarterly visual inspection
is usually often enough to determine if filters should be replace because only a high percentage of contamination affects
duct detector performance.

SAMPLING TUBE

FILTERS

SAMPLING TUBE

MOUNTING

SCREWS

DETECTOR HEAD

EXHAUST 

FILTER ADAPTER

DETECTOR BASE

INLET SAMPLING TUBE

FOAM GASKET

H500-03-00

6

I56-475-09R

H500-03-00

7

I56-475-09R

Figure 5. Wiring Diagram

Note:

Auxiliary devices (SSDRA400Z, SSDP

A400, SSDR

TS451/SSDR

TS451KEY) and auxiliary control contacts will

not

function without auxiliary power

. See Figure 5A

for voltage/termination.

A78-2450-475

ALARM SIGNAL (+)

AUX POWER (-)

2

6

(+)

(-)

DUCT DETECTOR

14506873-001

SSDPA400 (OPTIONAL)

AUDIBLE ALERT

ALARM SIGNAL (+)

AUX POWER (-)

2

6

(+)

(-)

DUCT DETECTOR

14506873-001

SSDRA400Z (OPTIONAL)

REMOTE (LED)

ANNUNCIATOR

RED

ALARM SIGNAL (+)

AUX POWER (-)

2

6

1

2

DUCT DETECTOR

14506873-001

SSDRTS451/SSDRTS451KEY

(OPTIONAL) REMOTE 

TEST STATION

R

E

D

5

3

1

4

TEST (+)

3

ACCESSORY CURRENT LOADS AT 24VDC

DEVICE

SSDPA400

SSDRA400Z

SSDRTS451/SSDRTS451KEY

STANDBY

     0mA

     0mA

     0mA

ALARM

15mA MAX

10mA MAX

10mA MAX

ANY COMBINATION OF ACCESSORIES MAY BE USED

SUCH THAT THE GIVEN CURRENT LOADS TOTAL:

AUX POWER (+)

TEST (-)

STANDBY STATE:

ALARM STATE:

26mA MAX AT 24 VDC

87mA MAX, 24 VDC (TERMINALS 3 & 6)

20mA MAX, 12 VDC, ALARM CONTACTS (TERMINALS 2 & 6).

NOTE: THE 

SSDRTS451/SSDRTS451KEY

 RESET 

CANNOT BE USED ON THE 14506873-001.

TEST (-)

RESET

(NOT USED)

45

6789

1

0

1

1

1

2

13

14

15

16

17

+-

COMMUNICATION

LINE

FROM PANEL

(+)

(-)

(+)

(-)

COMMUNICATION

LINE TO REST

OF SYSTEM

NOTE: FOR POWER SUPPLY

WIRES, POLARITY IS NOT

IMPORTANT.

ALWAYS RUN AUXILIARY CONTROL

WIRING IN SEPARATE CONDUIT

J5

K2

123

24 VAC &

24 VDC

240 VAC

120 VAC

NOTE: JUMPER WIRE (J5)

IS REQUIRED TO BE

INTACT FOR 2-WIRE

APPLICATIONS ONLY.

CUT J5 FOR 4-WIRE

POWER SUPERVISION.

NOTE:

WHEN INITIATING AN ALARM, THE 

SSDRTS451/SSDRTS451KEY

 

REQUIRES 95mA MAXIMUM IN PRE-ALARM AND 103mA MAXIMUM IN 

ALARM. NOMINAL STANDBY CURRENT IS 0mA. ALARM CURRENT 

IS 10mA MAXIMUM WHEN TEST MAGNET IS REMOVED.

*

*

*

FIGURE 5A

FIGURE 5C

FIGURE 5D

FIGURE 5E

FIGURE 5B

A78-2451-01

Figure 6. Sampling Tube Filter Installation.

Summary of Contents for 14506873-001

Page 1: ...72 requirements The detector should be cleaned at least once a year TABLE OF CONTENTS GENERAL DESCRIPTION 1 Contents of the Duct Detector Housing Kit 2 INSTALLATION SEQUENCE 3 Verify Duct Air Velocity 3 Drill the Mounting Holes 3 Mount Duct Housing 3 Install the Inlet Tube 4 Ducts Less Than 8 ft 244 cm Wide 4 Ducts More Than 8 ft 244 cm Wide 5 Interim Modification of Inlet Tube 5 Field Wiring 5 Wi...

Page 2: ...respective code commands from the panel See panel instructions for details CONTENTS OF THE DUCT DETECTOR HOUSING KIT The 14506873 001 Air Duct Detector Housings consist of the following items See Figure 1 See Note 1 for Inlet Sampling Tube and Detector Supply information 1 Complete housing base and cover assembly 2 Two 10 sheet metal mounting screws 3 Two sampling tube filters 4 One test magnet 5 ...

Page 3: ...he duct See Figure 2 Location of detectors mounted in or on air ducts should be at least six duct widths downstream from any duct openings deflection plates sharp bends or branch connections Exception Where it is physically impossible to locate the detector accordingly the detector can be positioned closer than six duct widths but as far as possible from the opening bend or deflection plates STEP ...

Page 4: ...t tube If the inlet tube is shorter than the width of the air duct install the end cap into the inlet tube as shown in Figure 3 2 Slide the inlet tube into the bushing located in the center of the duct housing Position the tube so that the arrows point into the air flow 3 Secure the tube flange to the housing bushing with the two 6 self tapping screws 4 For tubes longer than the width of the air d...

Page 5: ...ibration This vibration can slowly open the seal around the tube and permit air to escape To prevent this from occurring a 3 inch floor flange available at most plumbing supply houses may be used This flange connector mounting technique makes the initial installation easier because a 1 in to 1 1 4 in 25 to 32 mm hole may be drilled where the flange connector will be used It is easier to push the i...

Page 6: ...CCESSORIES MAY BE USED SUCH THAT THE GIVEN CURRENT LOADS TOTAL AUX POWER TEST STANDBY STATE ALARM STATE 26mA MAX AT 24 VDC 87mA MAX 24 VDC TERMINALS 3 6 20mA MAX 12 VDC ALARM CONTACTS TERMINALS 2 6 NOTE THE SSDRTS451 SSDRTS451KEY RESET CANNOT BE USED ON THE 14506873 001 TEST RESET NOT USED 4 5 6 7 8 9 10 11 12 13 14 15 16 17 COMMUNICATION LINE FROM PANEL COMMUNICATION LINE TO REST OF SYSTEM NOTE F...

Page 7: ...ust accumulation System filters remove a large percentage of this contami nation but cannot remove all of it Dust inside the duct detector causes problems First very fine particles of dust can enter the detector sensing chamber and cause the unit to go into alarm Second the accumulation of dust and dirt necessitates a more frequent periodic cleaning schedule which can result in substantial cost an...

Page 8: ...utside of the housing see Figure 7 3 The LEDs on the detector should latch on as should any accessories SSDPA400 SSDRA400Z SSDRTS451 and the alarm condition should be verified at the control panel The control panel must be active for an alarm to be ini tiated A78 2452 00 A78 2453 00 Figure 7 Testing Detector Alarm Figure 8 Detector Head Removal B SSDRTS451 SSDRTS451KEY REMOTE TEST STATION The SSDR...

Page 9: ...nel should indicate an alarm condition PERIODIC MAINTENANCE REQUIREMENTS Air duct smoke detectors should be maintained at least once a year more often if the detector heads become obviously dirty The detectors must also be cleaned immediately after a fire Failure to properly maintain air duct smoke detectors may cause unnecessary false alarms Honeywell recommends that a permanent Detector Test Log...

Page 10: ... screens part no SSDRS14 d Brush or vacuum the inside of the cover Cover may then be blown out using clean compressed air e Vacuum sensing chamber before using clean compressed air to loosen and blow out any remaining debris f Press the screen back into the cover g Replace the detector cover on the sensing chamber Rotate it clockwise to lock it into place BOTH TYPES OF UNITS 5 Reinstall the detect...

Page 11: ...806A1037 or TC806A1052 are used the constraints above do not apply 2 The duct control circuitry auxiliary relay contacts and auxiliary alarm output may change states if the sensor is test ed and the LED is turned on for more than 4 seconds If the LED is latched on for less than 4 seconds the control circuitry of the 14506873 001 will NOT operate 3 The panel must not continuously poll the same unit...

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