Hi, welcome to use Sonoff 4CH Pro! Sonoff 4CH Pro is a 4 channel (4-way) din rail mounting 433MHz RF remote WiFi switch that can independently control the 4 home appliances. It supports switching among 3 working modes: inching/interlock/self-locking mode. Power supply: 90-250v AC(50/60Hz)/5-24v DC. Max current: 10A/gang. 1. Download “eWeLink” app. Search “eWeLink” in APP Store for iOS version or Google play for Android version. 2.
You may choose to power up by 5-24V DC or by 90-250V AC. Each relay without voltage output.
. Add Device 1. Power up your device through 90-250v AC(50/60Hz) or 5-24v DC.
2. Press and hold one of the 4 ON/OFF buttons for 7 seconds until the wifi LED fast blinks 3 times and repeat. 3. Click the “+” icon on eWeLink to search device, click next. For iOS users, they will see two pairing method icons to select, here please select the 2nd icon. The App will auto-search the device. 4. Enter your home SSID & password: 4.1 If your WiFi doesn’t have a password, keep it blank. 4.2 Now eWeLink only support 2.4G wifi communication protocol, 5G-WiFi-router is not supported 5.
2. In inching mode, you can turn on the connected devices for 0.25 0.25-4s. 4s. For example, you can turn on CH1 connected device for 1s, then auto-off. 3. In interlock mode, you can turn on 1 device every time, and turn off other devices at the same time. For example, if you have turned d on CH2, then when you turn on CH3, CH2 will be auto auto-turned off at the same time.
We will introduce how to switch among the 3 modes below:
As you can see from the image, there are S5, S6, K6 and K5. CAUTION: Please cut off the power supply before switching S5, S6, K5, K6. Whether you use DC or AC input, make sure you have unplugged the power plug every time!!!It’s It’s very dangerous if you don’t cut off the power supply, and the new settings can not be activated. S6 is interlock /inching&self-locking switch:: Toggle to the right(0), it enters into interlock mode; Toggle to the left(1), it enters into inching &self-locking mode.
K5 is inching/self-locking switches:: From left to right, there are 1, 2, 3, 4, correspondingly for channel 1 (CH1), channel 2 (CH2), channel 3 (CH3), channel 4 (CH4). Toggle the switch down (0), the corresponding channel enters into inching mode; Toggle the switch up (1), the corresponding channel enters into self self-locking mode. Please note that if S6 is toggled to the right(0), yyour 4CH Pro is in interlock mode, it’s invalid to set K5. K6 is used to set the delay time for inching mode mode..
Clear 433MHz Coding: S5 is 433MHz code clearing button, please press and hold it until the 4 LEDs lit up green and off. 5. APP Features 1. Use WiFi to remote control 4 devices separately. Turn on/off by tapping on device icon. Device status will simultaneously display on the interface. 2. Share Control The owner can share the devices to other eWeLink accounts. While sharing devices, both should stay online on eWeLink.
Supports max 8 enabled single/repeat/countdown timer to auto-turn on/off connected appliances. Preset timers can work even WiFi is unavailable, but the device must keep power on. 4. Scene Scene allows triggering on/off your devices automatically. Scene Settings is in the upper right corner of Device List. You can set up scenes or smart scenes to trigger on/off Sonoff 4CH Pro. Users should select “Click to execute” in the condition, add different existing devices, name the scene and save it. 4.
FCC Caution 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. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
