Milesight GS100 Series User manual

RESIDENTIAL GAS DETECTOR
FEATURING LoRaWAN®
GS100 Series
All Software & files can be downloaded from
https://www.milesight-iot.com/documents-download/
Milesight IoT Co., Ltd. www.milesight-iot.com
Cloud App Quick Start Guide

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DANGER
Extinguish all naked flames, including all smoking material;
Check and ensure gas appliances are off;
Open doors and windows to improve ventilation;
Do NOT use a phone, light a match, or turn on or off any electrical
equipment indoors;
EVACUATE IMMEDIATELY and NOTIFY the gas supplier and/or 24h-service
gas emergency to test and make safe, any necessary repair carried out;
Do NOT re-enter the place until told to do so by authorities.
If you hear the gas leak alarm or smell the gas even without an alarm,
please keep calm and carry out the following actions, not necessarily in
the order given:
WARNING
Please read this guide carefully before operation and retain it for future
reference.
This detector is not guaranteed to prevent personal injuries or property
damage associated with a gas leak. Please ensure that your gas appliances
and piping systems are properly installed, used and maintained to reduce the
possibility of a gas leak.
This installation should strictly comply with the electrical safety regulations
of the local region.
The output installation with other appliances and gas valves should be
conducted by a qualified service person. Do not overload the output
maximum capacity so as to avoid damage to the detector.
Do not modify, disassemble, strike or crush the device, this will cause the fault
alarms.
Do not expose the detector to corrosive gas, silicon vapor or high levels of
volatile organic compounds.
Keep the device away from the water to prevent damage to the detector and
electric shock.
Do not paint or cover the device, which may block the air inlets and interfere
with the detector work.
Keep the device out of childrens’ reach.
Do not place your ear directly against or in close proximity to the device when
it is alarming.

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1. Packing List
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Please check the package contents to verify that you have received the items below.
If anyof the above items is missingordamaged, please contact yoursales
representative.
Table of Contents
1. Packing List……………………………………………………………………………….........................
2. Hardware Introduction……………………………………………………………………………………....
3. Wirings…………………………………………………...........................................................
4. LED and Buzzer Patterns ………………………..................................................……
5. Installation Instruction…………………………......................................................…
6. Configuration Guide………….............................................................…....………
7. Maintenance………….............................................................…....………............
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5
6
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1 × Warranty Card1 × Quick Start Guide
2 × Wall Mounting Kits
1 × Residential Gas Detector 1 × Power Adapter
Series Quick Guide
2. Hardware Introduction
NFC Area
LED Indicators
Test/Mute/Reset/Reboot Button
Buzzer
8. Declaration of Conformity………….............................................................…..11
9. FCC Statement…………..............................................................................…..11

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3. Wirings
Power Interface（DC 12V）
Relay Output
The historical record interface is only for a professional use.
Users can use Milesight ToolBox App to read the historical
records.
Valve Output
Historical Record Interface
Air Inlet
Wiring Diagram
The relay output can connect the device up to 250 VAC/10A, and the
solenoid valve output is a 12V/100ms pulse output.
L
L
N
Fan Emergency Shutoff Valve
COMNO
RELAY
+_
VALVE OUT
Wiring Step
Insert a flathead screwdriver into the square holes and insert the wire into
the circle holes, then release the screwdriver and ensure the cable is locked.
Note: power off all devices when wiring, and do not touch the bare wires
after the device is powered on.

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4. LED and Buzzer Patterns
Warm-up Time (About 180s)
Work Properly
Abnormal Working/Collection
/Output
Steady Fault Light On,
While Others Off Beep Once Every 0.5s
Threshold Alarm: 8% LEL
End of Working Life
Test: Press the Button (≤3s)
when Device Is Working Properly
Mute: Press the Button (≤3s)
when Device Is in Alarm Status
Steady Alarm Light On,
While Others Off Stop Beeping for 1 Min
All Lights Blink until the
Test Complete Beep 1s
Invalid Light Blinks, While
Others Off Beep Once Every 0.5s
Steady Alarm Light On,
While Others Off Keep Beeping
All Blinks Beeping Twice when
the Warm-up Completes
Steady Power Light On,
While Other Lights Off /
Status & Function LED Buzzer
Reboot: Hold On the Button for
3s to 10s
Reset to Factory Default: Hold
On the Button for More Than 10s All Lights Blink Quickly
All Lights Blink Slowly /
/
5. Installation Instruction
Recommended Installation Locations
The residential gas detector is designed to be installed in every room where
gas leak may occur, such as kitchen. The installation location should meet
these requirements:
within the range of the LoRaWAN®gateway;
close to the ceiling and be higher than any door or window;
keep away from the gas supply between 1.5m to 4m;
keep away from the ceiling between 10cm to 30cm.
On the top of cookware or sink or way of smoke;
Enclose space or the place where curtains, furniture or other objects block
the flow of air to the detector;
Dusty or dirty environments may block the air inlets;
Damp or very humid location which except operating humidity (0 to 95%),
such as bathroom;
Next to a door or window or any air ventilation openings like ventilation fan,
vents, etc.
Do not install the device outdoors;
Locations to Avoid
Behind metal objects and obstacles;
The place with lots of electromagnetic interferences;
The place where strong vibration may happen or easy to be subjected to
physical shock;
1.5m < L < 4m
10cm < H < 30cm

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In an area except for the operating temperature (-10°C to 55°C) or large
temperature difference;
The places spraying alcohol, perfume, fresheners, hair spray, gasoline, paint
and other aerosols.
Installation Steps
1. Take off the mounting bracket on the back of the device, drill 2 holes on the
wall according to the wall mounting bracket, and then fix the wall plugs into the
wall.
2. Fix the mounting bracket to the wall plugs with screws, and note the bracket
should not be installed upside down.
3. Hang the device to the bracket.

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1. Connect the outputs to the solenoid valve, fan or other devices.
2. Power on the detector, and wait for about 180s for the warm-up process.
When the warm-up finishes, the buzzer will beep twice and all indicators will
stop blinking except for the Power indicator.
3. Press the Test button to check if the LED indicators and buzzer work
properly and if the outputs are able to control the gas value and fan.
4. Download the“Milesight ToolBox” App on an NFC-supported smartphone.
5. Open the“Milesight ToolBox” App and attach the smartphone with the NFC
area to read/write the device until the App shows a successful prompt. It’s
suggested to configure a device password for security.
(Default password: 123456)
iOSAndroid
7. Maintenance
6. Configuration Guide
The working life of the detector is 5 years, replace the device if you
observe the Invalid indicator blinks.
The newly decorated or re-decorated room should be ventilated for
some time before installing the detector.
It’s suggested to press the Test button to check the LED indicators,
buzzer and outputs every month; besides, check if the device is
online and send periodic status on the IoT platform.
To ensure the air inlets are not blocked, wipe the device with a clean
dry cloth, do not use a very wet cloth, alcohol, harsh chemicals or
detergents which may damage the detector.
Do not use a lighter or other gas to test the detector, which may
damage the detector.
Milesight IoT Display is in conformity with the essential requirements and other
relevant provisions of the CE and FCC.
8. Declaration of Conformity
9. FCC Statement
Any Changes or modifications not expressly approved by the party responsible
for compliance could void the user’s authority to operate the equipment.
This device complies with part 15 of the FCC Rules. Operation is subject to the
following two conditions:
1. This device may not cause harmful interference.
2. This device must accept any interference received, including interference that
may cause undesired operation.

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FCC Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an
uncontrolled environment. This equipment should be installed and operated
with minimum distance 20cm between the radiator& your body. This transmitter
must not be co-located or operating in conjunction with any other antenna or
transmitter.
instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following
measures:
1.Reorient or relocate the receiving antenna.
2.Increase the separation between the equipment and receiver.
3.Connect the equipment into an outlet on a circuit different from that to which
the receiver is connected.
4.Consult the dealer or an experienced radio/TV technician for help.
Note: This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the