SONOFF TH R3 Smart Temperature and Humidity Monitoring Switch User Manual
- June 5, 2024
- SonOFF
Table of Contents
- SONOFF TH R3 Smart Temperature and Humidity Monitoring Switch
- Product Introduction
- Buttons instructions
- LED indicator status instruction
- Features
- Device Installation
- Wiring instruction
- Device pairing
- Alexa voice control instructions
- Specifications
- Control modes
- Factory Reset
- FCC Warning
- References
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)
SONOFF TH R3 Smart Temperature and Humidity Monitoring Switch
Product Introduction
Note: The device weight is less than 1kg. The installation height of less than 2m is recommended.
Buttons instructions
| Actions | Results |
|---|---|
| Single-click | Device on/off |
| Double-click | Auto-mode enable/disable |
| Long press for 5s | Enter the Pairing mode |
LED indicator status instruction
| LED indicator status | Status instruction |
|---|---|
| Blue LED indicator flashes(one long and two short) | **** |
Pairing mode
Blue LED indicator keeps on| Device is oline
Blue LED indicator quick flashes once| Fail to connect to router
Blue LED indicator quick flashes twice| Connected to router but fail to connect
to server
Blue LED indicator quick flashes three times| Firmware updating
Green LED indicator keeps on| Auto-mode is on
Features
TH R3/Elite is a DIY smart switch with temperature and humidity monitoring,
and required to use with the temperature and humidity sensors correspondingly.
Device Installation
Power off
Note: Please install and maintain the device by a professional electrician. To avoid electric shock hazard, do not operate any connection or contact the terminal connector while the device is powered on!
Wiring instruction
Remove protective cover
Press the white button on the top of the wire connecting hole to insert the wire corresponding, then release.
- Dry contact wire conductor size: 0.13-0.5mm², wire stripping length: 9-10mm.
- Make sure all wires are connected correctly.
Insert the sensor
Compatible SONOFF sensors: DS18B20, MS01, THS01, AM2301, Si7021. Compatible sensor extension cables: RL560. Some old version sensors need to be used with the accompanying adapter.
Device pairing
Download the eWeLink App
Power on
After powering on, the device will enter the Bluetooth Pairing Mode during the
first use. The Wi-Fi LED indicator changes in a cycle of two short and one long
flash and release.
Note: The device will exit the Bluetooth Pairing Mode if not paired
within 3mins. If you want to enter this mode, please long press button for
about 5s until the Wi-Fi LED indicator changes in a cycle of two short and one
long flash and release.
Add device
Method 1: Bluetooth Pairing 
Tap “+” and select “Bluetooth Pairing”, then operate following the prompt on the App.
Method 2: Scan QR code
In the Pairing mode, tap “Scan QR code” to add the device by scanning the QR code on its back.
Alexa voice control instructions
- Download the Amazon Alexa App and sign up an account.
- Add Amazon Echo Speaker on the Alexa App.
- Account Linking (Link Alexa account on the eWeLink App)
- After linking the accounts, you can discover devices to connect on the Alexa App according the prompt.
Note: Account linking method of Google Assistant, Xiaodu, Tmall Genie, Mate Xiaoai and etc is similar., the guides on the App shall prevail.
Specifications
| Model | THR316, THR320, THR316D, THR320D |
|---|---|
| Input | THR316, THR316D: 100-240V ~ 50/60Hz 16A Max THR320, THR320D: 100-240V ~ |
50/60Hz 20A Max
Output| THR316, THR316D: 100-240V ~ 50/60Hz 16A Max THR320, THR320D: 100-240V
~ 50/60Hz 20A Max
Dry contact output| 5-30V，1A Max
Wi-Fi| IEEE 802.11 b/g/n 2.4GHz
LED screen size| THR316D, THR320D：43x33mm
App supported systems| Android & iOS
Working temperature| -10℃~40℃
Working humidity| 5%-95% RH, non-condensing
Shell material| PC V0
Dimension| THR316, THR320：98x54x27.5mm THR316D, THR320D：98x54x31mm
LAN control
A communication method to control the devices directly without going through
the Cloud, which requires your smartphone and device connect to the same WIFI.
Note: Operation notifications, operation records, firmware upgrades, smart scenes, devices sharing and devices delete are not supported when there is no external network connection.
Control modes
Manual mode: Turn on/off the device through the App and device itself
whenever you want.
Auto mode: Turn on/off the device automatically through presetting the
threshold of temperature and humidity.
Auto mode setting: Set the threshold of temperature & humidity and
effective time period, you can set up 8 automatic control programs in different
time periods
Auto mode enable/disable
Enable/disable the auto mode by double click the button on the device or
enable/disable it on the App directly.
Note: Manual control and Auto mode can work at the same time. In the auto
mode, you can turn on/off the device manually. After a while, auto mode will
resume execution if it detects changes in temperature and humidity.
Factory Reset
Deleting the device on the eWeLink app indicates you restore it to factory setting.
Common Problems
Fail to pair Wi-Fi devices to eWeLink APP
- Make sure the device is in pairing mode. After three minutes of unsuccessful pairing, the device will automatically exit pairing mode.
- Please turn on location services and allow location permission. Before choosing the Wi-Fi network, location services should be turned on and location permission should be allowed. Location information permission is used to obtain Wi-Fi list information. If you click Disable, you will not be able to add devices.
- Make sure your Wi-Fi network runs on the 2.4GHz band.
- Make sure you entered a correct Wi-Fi SSID and password, no special characters contained.Wrong password is a very common reason for pairing failure.
- The device shall get close to the router for a good transmission signal condition while pairing.
Wi-Fi devices “Offline” issue, Please check the following problems by the Wi-Fi
LED indicator status:
The LED indicator blinks once every 2s means you fail to connect to the
router.
- Maybe you entered the wrong Wi-Fi SSID and password.
- Make sure that your Wi-Fi SSID and password don’t contain special characters, for example, the Hebrew, Arabic characters, our system can’t recognize these characters and then fail to connect to the Wi-Fi.
- Maybe your router has a lower carrying capacity.
- Maybe the Wi-Fi strength is weak. Your router is too far away from your device, or there may be some obstacle between the router and device which blocks the signal transmission.
- Be sure that the MAC of the device is not on the blacklist of your MAC management.
The LED indicator flashes twice on repeated means you fail to connect to the server.
- Make sure the Internet connection is working. You can use your phone or PC to connect to the Internet, and if it fails to access, please check the availability of the Internet connection.
- Maybe your router has a low carrying capacity. The number of devices connected to the router exceeds its maximum value. Please confirm the maximum number of devices that your router can carry. If it exceeds, please delete some devices or get a lager router and try again.
- Please contact your ISP and confirm our server address is not shielded:
cn-disp.coolkit.cc (China Mainland) as-disp.coolkit.cc (in Asia except China) eu-disp.coolkit.cc (in EU) us-disp.coolkit.cc (in US)
If none of the above methods solved this problem, please submit your request via help&feedback on the eWeLink App.
FCC Warning
Changes or modifications not expressly approved by the party responsible for
compliance could avoid 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, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
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 distance20cm between the radiator & your body. This transmitter must
not be co-located or operating in conjunction with any other antenna or
transmitter.
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
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:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
Hereby, Shenzhen Sonoff Technologies Co., Ltd. declares that the radio equipment type THR316, THR320, THR316D, THR320D are in compliance with Directive 2014/53/EU.The full text of the EU declaration of conformity is available at the following internet address: https://sonoff.tech/usermanuals
Shenzhen Sonoff Technologies Co., Ltd.
3F & 6F, Bldg A, No. 663, Bulong Rd, Shenzhen, Guangdong, China ZIP code:
518000 Website: sonoff.tech
