Detcon SW-AV2-N4 User manual

DETCON MODEL SW-AV2-N4
NEMA4, Wireless Alarm Station with DB3 Horn
Operator’s Installation and Instruction Manual
Covers SW-AV2-N4
DETCON, Inc.
4055 Technology Forest Dr. Suite 100,
The Woodlands, Texas 77387
Ph.281.367.4100 / Fax [phone]
www.detcon.com
April 11, 2014 • Document #4489 • Revision 0.0

SW-AV1-N4
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SW-AV1-N4
SW-AV1-N4 I.M. iii
Table of Contents
1.0 Description................................................................................................................................................ 1
1.1 Strobe ................................................................................................................................................... 1
1.2 Horn...................................................................................................................................................... 2
1.3 Smart Battery Pack............................................................................................................................... 2
1.4 RXT Series Wireless Transceivers....................................................................................................... 2
1.5 RL4 Relay Module............................................................................................................................... 3
2.0 Installation................................................................................................................................................ 4
3.0 Operation.................................................................................................................................................. 7
4.0 Parts List................................................................................................................................................... 8
5.0 Specifications............................................................................................................................................ 8
6.0 Warranty.................................................................................................................................................. 8
7.0 Revision Log............................................................................................................................................. 8
Table of Figures
Figure 1 Basic N4 Wireless Alarm Station.......................................................................................................... 1
Figure 2 Strobe..................................................................................................................................................... 1
Figure 3 Horn....................................................................................................................................................... 2
Figure 4 RXT Transceiver.................................................................................................................................... 3
Figure 5 RL4 Module........................................................................................................................................... 3
Figure 6 Dimensional........................................................................................................................................... 4
Figure 7 AC Terminals......................................................................................................................................... 5
Figure 8 Unit Wiring........................................................................................................................................... 6

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SW-AV1-N4 I.M. iv
Shipping Address: 4055 Technology Forest Suite 100, The Woodlands Texas 77381
Mailing Address: P.O. Box 8067, The Woodlands Texas 77387-8067
Phone: [phone] • Fax: [phone] • www.detcon.com •[email protected]
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1.0 Description
The Detcon SW-AV1-N4 Alarm Station is a wireless, AC powered alarm station with battery backup. The
unit is designed to meet NEMA4 water tight, dust tight requirements.
Figure 1 Basic N4 Wireless Alarm Station
The alarm station can be positioned almost anywhere with only the need for an AC Power Source.
Communication is performed via the Detcon RXT-320 series transceiver. Access to the unit is only necessary
for battery maintenance or exchange. The unit consists of a 15V Power Supply, a 12V 2900mAh battery, an
RL4 I/O Module for alarm control, a transceiver for network communication, a Strobe, and a Horn.
1.1 Strobe
The alarm station strobe is configured with choice of dome colors such as amber, blue, clear, green, magenta,
or red. The strobes are rated NEMA4 and utilize a Strobe Guard, and gasket to complete the NEMA4 rating.
The strobes produce 2.2 joules of energy while drawing relatively low current and have a flash rate of 60~80
per second.
5.65
3.4
Figure 2 Strobe

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1.2 Horn
This range of light weight all GRP, flameproof sounders is intended for use in potentially explosive gas and
dust atmospheres and has been designed with high ingress protection to cope with the harsh environmental
conditions found offshore and onshore in the oil, gas and petrochemical industries. The Horn is rated for
C1D2 Groups A, B, C, and D locations, is UL, cUL listed, and ATEX approved. The Horn has the ability to
produce up to 118dBA output.
Figure 3 Horn
1.3 Smart Battery Pack
SmartWireless® Alarm Station is powered by an internal 15VDC Power Supply and a rechargeable Smart
Battery Pack. If there is a loss of AC the battery pack is capable of delivering continuous operation in a no
alarm condition for up to eight weeks. The internal battery pack is recharged by the use of the power supply.
The battery pack consists of rechargeable Lithium-Ion batteries and is equipped with integrated safety
electronics that include fuel gauge, voltage, current and temperature monitoring circuits. This “smart”
circuitry continuously monitors the battery’s condition and reports critical status information to the wireless
transceiver. Improper use of the battery pack may be hazardous to personnel or the environment and will void
the warranty.
1.4 RXT Series Wireless Transceivers
The wireless function of the alarm station is made possible by Detcon’s RXT-320 series wireless transceiver.
They operate at 2.4GHz and conform to non-licensed radio frequency appliance usage around the
world. Wireless network integrity and security is accomplished using direct sequence spread spectrum
wireless mesh technology. Every device in the network is capable of functioning as a router and repeater for
all other devices in the network. This means that subscribers can “hop” through neighboring devices to
communicate with each other thereby widening network access points. This unique and innovative technology
is designed to create a robust network that automatically routes around congestion and line-of-sight obstacles
while improving throughput as subscriber device density increases.

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RF Channel
Selector Switch
MSD
LSD
Modbus
Address
Switches
RF Connector
Figure 4 RXT Transceiver
The radio module is housed in a black ABS box mounted inside the alarm station enclosure. The package
includes two PCAs mounted inside the black ABS box (radio PCA and Smart battery charging PCA). The
battery PCA includes circuitry to safely recharge the battery from a 24VDC input and a fuel gauge circuit to
monitor the charge remaining in the battery.
The radio PCA includes a 2.4Ghz radio and a rotary switch for setting the RF channel of the system (Figure 4).
Use a small screwdriver to rotate the switch until the arrow points to the desired RF channel number (16
channels available, 0h-Fh).
NOTE All devices within the network must be on the same RF channel to operate correctly.
Each radio module is required to have a unique Modbus™address. These addresses typically start at 01h and
continue sequentially for each Alarm Station in the gas detection system. The radio PCA includes a pair of
rotary switches to set this address (Figure 4). Refer to the Controller Manual for more information.
1.5 RL4 Relay Module
The alarm station utilizes the Detcon RL4 I/O Module to control the alarms (Figure 5). The RL4 is required to
have a unique Modbus™address. These addresses typically start at 80h and continue sequentially for each
Alarm Station in the gas detection system. Refer to the Controller Manual for more information. The alarm
station is wired for proper operation of Alarm 1 and Alarm 2, with Alarm 1 wired to the Strobe, and Alarm 2
wired to the Horn.
RELAY
COMM
M
S
D
L
S
D
Alarm 1
Alarm 2
Alarm 3
Fault
Relay 4
Relay 3
Relay 1
Relay 2
Modbus
Address
Switches
NC CNO
NC CNO
C NCNO
C NCNO
MSD
LSD
Figure 5 RL4 Module

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2.0 Installation
NOTE: The wireless alarm station is a precision instrument and care should be taken when handling it.
1. The location for mounting the wireless alarm station should be carefully selected. Occasional access
to the unit will be necessary for battery replacement and maintenance. Mount the unit securely on a
wall or flat vertical surface using the provided mounting holes (hardware not provided).
12.75"
13.75"
33.25"
6.8"
11.4"
8"
11.85"
Ø0.312"
Mounting
Holes
Figure 6 Dimensional
2. The Battery pack for the unit is shipped separately, and should be installed before AC power is
applied. Unpack the battery pack and inspect it to ensure that there is no physical damage to the pack.
Locate the battery bracket and remove the bracket (remove the four 6-32 screws).
Figure 7 Battery Pack and Bracket

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3. Place the battery in the bracket, and re-install the bracket in the unit, securing it with the 6-32 screws
removed earlier. Locate the small plug from the battery bracket, and plug it into the receptacle from
the transceiver.
Figure 8 Battery Connections
4. Terminal Blocks are provided for AC connection to the Unit. The power supply is rated for
110~220VAC, 50~60Hz operation. Connect the incoming AC power to the terminals labeled ‘VAC
(L1)’, ‘NEU (L2)’, and ‘GROUND’.
VAC (L1) NEU (L2) GROUND
Figure 9 AC Terminals
5. The unit RXT-320 should be set to the correct RF Channel, and Modbus™address for the alarm
station to communicate with the network. The RL4 Module should also have the correct Modbus™
address set for the RL4 to communicate properly with the controller.
6. When all connections have been made, and the RXT-320 Modbus™and RF Channel have been
properly set, apply power to the unit.

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VAC (L1) NEU (L2) GROUND
Black White
Red
Black Black
White Black
Black
Blue
White
TB1-J1
SBA-+
Black
Red
COM
NO NC
White
Red
ADD 2
RELAY
COMM
M
S
D
L
S
D
COM
NO NC
Red Red
ADD 1
White Blue Black Red
Black
Black
White
Red Red Red
Black Black Black
Red
Black
Red
Black
Green
Horn Battery Pack
Power Supply
RXT-320 Transceiver
Strobe
Figure 10 Unit Wiring

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3.0 Operation
The SW-AV1-N4 Wireless Alarm Stations provides a strobe and a horn. The wireless alarm station is set to
respond to alarms from the controlling unit via the RXT-320 transceiver. The controller/wireless network has
independent control over the strobes and the Horn, and they will be activated when the appropriate alarm is
activated, via the RL4 Module.
The unit needs to have both the Transceiver and the RL4 configured before the unit will operate properly. To
do this the RL4 Modbus™address must correspond to the setting of the controller, and the transceiver address
must be set properly for the transceiver to be recognized on the network. Refer to the Controller Manual for
more information.
The horn has up to 32 possible settings, for use in different configurations. The default settings of the horn are
factory set. To change the setting of the horn, remove the rear end of the horn, and set the dip switches
according to the Sound Signals Table.
Table 1 Sound Signals
TONE FREQ/DESCRIPTION SWITCH TONE
1 Alt Tones 800/970 Hz at 1/4 sec 11111
2 Sweeping 800/970 Hz at 7Hz 11110 Fast Sweep(LF)
3Sweeping 800/1000 Hz at 1 Hz 11101 Med Sweep(LF)
4
Continuous at 2850 Hz
11100
5Sweeping 2400-2850 Hz at 7 Hz 11011 Fast Sweep
6Sweeping 2400-2850 Hz at 1 Hz 11010
7Slow Whoop 11001 Slow Whoop
8Sweep 1200-500 Hz at 1 Hz 11000 Din Tone
9 Alt. Tones 2400/2850 Hz at 2 Hz 10111
10
Int. Tone of 970 Hz at 1 Hz
10110
Back-Up Alarm(LF)
11
Alt. Tones 800/970 Hz at 7/8 Hz
10101
12
Int. Tone at 2850 Hz at 1Hz
10100
Back Up Alarm(HF)
13 970Hz at 1/4 sec on 1 sec off 10011
14 Continuous at 970 Hz 10010
15 554Hz for 100ms / 440 Hz for 400ms 10001 French Fire Sound
16 Int. 660 Hz 150 ms on 150 ms off 10000 Swedish Fire Alarm
17 Int. 660 Hz 1.8 sec on 1.8 sec off 01111 Swedish Fire Alarm
18
Int. 660 Hz 6.5 sec on 13 sec off
01110
Swedish Fire Alarm
19
Continuous 660 Hz
01101
Swedish Fire Alarm
20
Alt 554/440 Hz at 1 Hz
01100
Swedish Fire Alarm
21
Int. 660 Hz at 7/8 Hz
01011
Swedish Fire Alarm
22
Int. 2850 Hz 150 ms on 100 ms off
01010
Pelican Crossing
23
Sweep 800-970 Hz at 50 Hz
01001
Low Freq. Buzz
24
Sweep 2400-2850 Hz at 50 Hz
01000
High Freq. Buzz
25
3 970Hz pulses 0.5on/0.5off, 1.5 off
00111
26
3 2850Hz pulses 0.5on/0.5off, 1.5 off
00110
27
Int. 3100 Hz 0.32s on / 0.68s off
00101
28
Spare/Customer Tone
0010
0
29
Spare/Customer Tone
00011
30
Spare/Customer Tone
00010
31
Spare/Customer Tone
00001
32
Spare/Customer Tone
00000

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4.0 Parts List
Detcon Part # Description
354-4900x6-024 12-80VDC Strobe (x represents color of lamp)
Strobe colors: Red (2), Amber (4), Green (5), Blue (6), Magenta (7), and Clear (9)
356-DB3007-024 MEDC DB3 Horn – 12-48VDC
360-3S6PFP-290 Battery Pack, LI Ion 12V Flat Pack
360-STP060-024 24VDC 2.5Amp Din-Rail Power Supply
975-041400-000 Model RL4 Addressable Relay Module
976-00132D-CHR RXT-320 Transceiver w Battery Charger
5.0 Specifications
Strobe
Dome Colors Amber / Blue / Clear / Green / Red / Magenta
Operating Current 0.4A @ 12VDC
Flash Rate/Minute 60~80
Output 50 Candela eff.
Lamp Source 5001 Xenon Strobe Lamp
Horn
Operating Current 0.760A @ 12VDC
dB Output 93~118db @ 1meter (Dependant on signal tone)
Duty Cycle Not rated for continuous duty (5 minute duty cycle)
Alarm Unit
Operating Current 1.2A Max
Operating Temperature -20ºC to 60ºC
Voltage 12VDC
Dimensions 14”H X 12”W X 6.5”D
6.0 Warranty
Detcon Inc., as manufacturer, warrants under intended normal use each new SW-AV1-DV2, SW-A1-DV2, and
SW-V1-DV2 Alarm station to be free from defects in material and workmanship for a period of one year. The
warranty period begins from the date of shipment to the original purchaser and ends one year thereafter. All
warranties and service policies are FOB the Detcon Inc. facility located in The Woodlands, Texas.
7.0 Revision Log
Revision Date Changes made Approval
0.0 04/11/14 Initial Release LU
Shipping Address: 4055 Technology Forest Suite 100, The Woodlands Texas 77381
Mailing Address: P.O. Box 8067, The Woodlands Texas 77387-8067
Phone: [phone] • Fax: [phone] • www.detcon.com •[email protected]