RC Systems SenSmart 4000 User manual

8621 Hwy 6
Hitchcock, TX 77563
409-986-9800
www.rcsystemsco.com
UM-1067
Revision 6
Universal Gas Detector Series
Operations Manual

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Table of Contents
Table of Figures ................................................................................................................................. I
Chapter 1 Safety Information.......................................................................................................1
1.1 Safety Information –Read Before Installation and Applying Power ............................................................1
1.2 Contacting RC Systems Inc. ..........................................................................................................................1
Chapter 2 General Description .....................................................................................................2
Chapter 3 Installation Instructions ...............................................................................................3
3.1 Selecting a Location .....................................................................................................................................3
3.2 Mounting the Enclosure ...............................................................................................................................4
3.3 Power and Analog Outputs Wiring...............................................................................................................4
3.3.1 SenSmart 4000 ...................................................................................................................... 5
3.3.2 SenSmart 5000 and SenSmart 8000X ................................................................................... 5
3.4 Option Board Wiring ....................................................................................................................................6
3.4.1 SenSmart 5000 RS 485 Option Board.................................................................................... 6
3.4.2 SenSmart 5000 Relay Option ................................................................................................ 7
3.5 Remote Sensor Installation ..........................................................................................................................8
3.5.1 SenSmart 5000 Remote Sensor ............................................................................................ 8
3.5.2 SenSmart 8000X Remote Sensor .......................................................................................... 9
3.6 Sensor Installation and Replacement .........................................................................................................10
3.7 Smart Sensors.............................................................................................................................................10
Chapter 4 General Operating Instructions ..................................................................................11
4.1 Introduction................................................................................................................................................11
4.2 General Setup for SenSmart 4000 and SenSmart 5000 ..............................................................................11

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4.3 Wireless Network Setup for SenSmart 8000 and SenSmart 8000X ............................................................12
4.4 Normal Operation ......................................................................................................................................12
4.5 Fault Condition ...........................................................................................................................................12
4.6 Alarm Conditions ........................................................................................................................................13
4.6.1 SenSmart 4000 .................................................................................................................... 13
4.6.2 SenSmart 5000 .................................................................................................................... 13
Chapter 5 Calibration Procedure ................................................................................................14
5.1 Preparation ................................................................................................................................................14
5.2 Routine Calibration Procedure ...................................................................................................................16
5.3 Bump Test Procedure .................................................................................................................................17
Chapter 6 Maintenance Procedure.............................................................................................18
6.1 Regular Maintenance.................................................................................................................................18
6.2 Sensor Replacement ...................................................................................................................................18
Appendix 1 Gas Detector Specifications ........................................................................................19
Appendix 2 Sensor Specifications .................................................................................................22
Appendix 3 Modbus Table and Operations ...................................................................................24
Appendix 4 Menu Navigation .......................................................................................................25
Appendix 5 Antenna Selection......................................................................................................30
Antenna Transmission Range..................................................................................................................................30
Antenna Selection and Location ..............................................................................................................................30
Water-proofing Antenna Connections ....................................................................................................................31
Dipole and Collinear Antennas ................................................................................................................................31
Yagi Antennas..........................................................................................................................................................32
Mounting Near other Antennas ..............................................................................................................................32

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Coax Cables .............................................................................................................................................................32
Surge Protection and Grounding .............................................................................................................................33
Antenna Grounding .................................................................................................................................................33
Connections to other Equipment.............................................................................................................................34
Appendix 6 Ordering Information.................................................................................................35
Appendix 7 Frequently Asked Questions.......................................................................................36
Appendix 8 Channel States...........................................................................................................38
Appendix 9 Drawings ...................................................................................................................39

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Table of Figures
Figure 1 Mounting Dimensions..................................................................................................................... 4
Figure 2 SenSmart 4000 Wiring .................................................................................................................... 5
Figure 3 SenSmart 5000 Wiring .................................................................................................................... 5
Figure 4 SenSmart 5000 Modbus Option Wiring .......................................................................................... 6
Figure 5 SenSmart 5000 Relay Option Wiring............................................................................................... 7
Figure 6 Remote Sensor Option.................................................................................................................... 8
Figure 7 Stainless Steel Sensor Head .......................................................................................................... 10
Figure 8 Universal Gas Detector Data Display Screens............................................................................... 12
Figure 9 Calibration Diagram ...................................................................................................................... 15
Figure 10 Calibration Menu Flowchart .......................................................................................................16
Figure 11 Gas Detector Specifications Table .............................................................................................. 19
Figure 12 Water-proofing Antenna Connections........................................................................................ 31

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Chapter 1 Safety Information
1.1 Safety Information –Read Before Installation and Applying Power
The following symbols are used in this manual to alert the user of important instrument operating
issues:
This symbol is intended to alert the user to the presence of important operating and
maintenance (servicing) instructions.
This symbol is intended to alert the user to the presence of dangerous voltage within the
instrument enclosure that may be sufficient magnitude to constitute a risk of electric
shock.
WARNINGS:
WARNING- EXPLOSION HAZARD -DO NOT REPLACE FUSE UNLESS POWER HAS BEEN SWITCHED
OFF OR THE AREA IS KNOWN TO BE NON-HAZARDOUS.
WARNING- EXPLOSION HAZARD - DO NOT DISCONNECT EQUIPMENT UNLESS POWER HAS BEEN
SWITCHED OFF OR THE AREA IS KNOWN TO BE NON-HAZARDOUS.
Use a properly rated CERTIFIED AC power (mains) cable installed as per local or national codes
A certified AC power (mains) disconnect or circuit breaker should be mounted near the
controller and installed following applicable local and national codes. If a switch is used instead
of a circuit breaker, a properly rate CERTIFIED fuse or current limiter is required to be installed
as per local or national codes. Markings for positions of the switch or breaker should state (I)
for on and (O) for off.
Clean only with a damp cloth without solvents.
Equipment not used as prescribed within this manual may impair overall safety.
1.2 Contacting RC Systems Inc.
To contact RC Systems Inc., call, fax, email or write:
409–986-9800 FAX [phone] Email: [e-mail]
8621 Hwy. 6 Hitchcock, TX 77563
Or visit us on the Web at www.rcsystemsco.com
!

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SenSmart 8000 and 8000X
SenSmart 5000
SenSmart 4000
Chapter 2 General Description
The Universal Transmitter Series consists of a
common processor board connected to various
combinations of input output options. The
models are based on wireless vs wired
communications; and powering as follows:
SenSmart 4000 –Low-power, 4-20mA loop
powered gas detector for toxic and oxygen
detection. Includes a 4-20mA output.
SenSmart 5000 –10-30VDC powered gas
detector for toxic, oxygen, combustible, VOC and
CO2 detection. This model adds a color backlit
LCD display, and has Modbus and/or 4-20mA
communications and relays available.
SenSmart 8000 –Battery powered wireless gas
detector for toxic, oxygen, combustible and CO2
detection. Available in either 900MHz or 2.4GHz
models.
SenSmart 8000X –10-30VDC powered wireless
gas detector for toxic, oxygen, combustible and
CO2 detection. This model adds a color backlit
LCD display.
All models use RC Systems latest Smart Sensor
technology, providing smarter gas detection
with simplified solutions.

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Chapter 3 Installation Instructions
3.1 Selecting a Location
Factors such as air movement, gas density in relation to air,
emission sources and environmental variables affect correct
sensor location.
Air movement by fans, prevailing winds and convection should be
carefully evaluated to determine if a leak is more likely to raise gas
levels in certain areas within the facility.
Vapor density of a gas determines if it will rise or fall in air when
there are no significant currents. Lighter than air gases should have
the detector mounted 12 to 18 inches (30 to 45 cm) above the
potential gas leak, and heavier than air gases should be this
distance below the potential gas leak.
The Universal Series of gas detectors are designed for
rugged service in the field. However, sensors should always
be protected from environmental damage from water,
snow, shock, vibration and dirt.

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3.2 Mounting the Enclosure
Install the detector to a wall or bracket using the predrilled mounting flanges with I.D. 0.25
on 5 inch centers (Figure 1). If conduit is rigid and able to support the weight of the
universal detector, the mounting bolts may be omitted.
After you have determined the appropriate location for your gas detector, it is important to securely
mount the gas detector using the predrilled mounting flanges on the enclosure. Dimensions for the
mounting holes can be found for both the aluminum and poly enclosures in Figure 3-1.
Figure 1 Mounting Dimensions
3.3 Power and Analog Outputs Wiring
WARNING: Qualified personnel should perform the installation according to applicable
electrical codes, regulations and safety standards. Ensure correct cabling and sealing
fitting practices are implemented. Do not aim the sensor pointing upward.
Modular design simplifies the installation of the universal gas detectors. A top display assembly is
mounted with captive thumbscrews, and is easily removed to access field-wiring terminals. Option

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boards mount to the back of the display assembly, and power, input and output wires mount to the
power supply board.
3.3.1 SenSmart 4000
The SenSmart 4000 is powered through a non-polar 4-20mA loop connected to TB2. Connect the +10-
30VDC/4-20mA loop wires to TB2.1 and TB2.2 on the 2-wire 4-20mA Output Board (Figure 2).
TB2
1 2
TB2. - +10-30VDC/4-20mA
(non-polar)
TB2. - +10-30VDC/4-20mA
(non-polar)
1
2
Figure 2 SenSmart 4000 Wiring
3.3.2 SenSmart 5000 and SenSmart 8000X
The SenSmart 5000 and SenSmart 8000X are 10-30VDC powered, and have a dedicated 4-20mA output
terminal. Connect the 10-30VDC Positive wire to terminal TB2.1. Connect the 10-30VDC Negative
(Common) wire to terminal TB2.3. Connect the 4-20mA signal wire to terminal TB2.5 on the I/O Board
(not necessary for SenSmart 8000X wireless communication) (Figure 3).
TB2. - 10 to 30VDC
Positive (+)
TB2. - 10 to 30VDC
Common (-)
TB2. - 4-20mA Output
1
3
1
1
2
3
4
6
5
5
Figure 3 SenSmart 5000 Wiring