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GrowHub A22 Manual

Safety Information

Please read the following information carefully before using the product. Failure to follow these safety instructions may result in serious injury and will release Vivosun of all liability and void all product warranties.

Carefully review all instructions before installation and use.
Confirm that your power source matches the product’s electrical specifications.
Do not connect devices that exceed the product’s 120–240V AC, 1800W, 15A rating.
Check local code regulations for any additional safety requirements to ensure compliant installation.
Plug the product in securely and keep it out of reach of children.
If you are unsure about the installation process, consult a licensed professional. Improper installation may void the warranty.
Do not hardwire this product. Retrofitting may cause injury or damage and will void the warranty.
This product is intended for dry, indoor use only. Avoid using it in hazardous environments such as flammable, explosive, chemical-laden, or wet areas.
Avoid covering power cords with rugs or fabrics.
Do not insert fingers or foreign objects into any openings, as this can result in electric shock, fire, or damage. Do not block or tamper with the product during operation.
Discontinue use immediately if the product malfunctions, has been dropped, or shows any signs of damage.
Ensure the plug is fully inserted into the socket before use for added safety.
Do not disassemble the product, as this may cause damage or create safety hazards.

Key Features

Easy Growing

Automatically control all your grow devices for an easy growing experience.

SGS Compatible

Connect your favorite grow devices to the Vivosun app for unified control and remote monitoring.

Protected Growing

Act before it becomes a real problem. Receive notifications and alerts whenever parameters fall outside your desired range.

Wide Compatibility

A max load of 15A supports most grow devices.

Product Contents

①

Temperature & Humidity Interface

④

Power Button

②

Power Socket

⑤

LED Indicator

③

USB Ports

⑥

Temperature & Humidity Sensor Probe

Specifications

Input

100–120V ~ 60 Hz

Rated Current

15A MAX FOR GENERAL USE

10A MAX FOR HEATER

MAX Total Output Power

1800 W FOR RESISTIVE LOAD

Working Temperature

-20°C – 45°C (-4°F – 113°F)

USB Port

TOTAL 5V 4e81ac31d08893a030cffc73c5ede90d 2A

Connectivity

IEEE 802.11 b/g/n, 2.4 GHz

LED Indicator

Status

Fast Flashing White

Wi-Fi disconnected.

Solid White

Wi-Fi connected. Default Manual Mode on the Vivosun app.

Solid Green

Wi-Fi connected. Cycle/Auto/ Recipe Mode on the Vivosun app.

Alternating White & Green

Wi-Fi connected. Cycle/Auto/ Recipe Mode is changing to Manual Mode.

Slow Flashing Green/White

Offline

Notice :

The LED indicator light will turn off after 5 seconds of operation to protect the plants. If you need to check the LED indicator status, briefly press the Power Button to activate the LED indicator.
When the GrowHub A22 is offline, the LED indicator will continuously flash green/white slowly until it reconnects to the network.

Installation & Connection

STEP 1

Plug the device into a mains outlet located outside the grow tent.

Notice :

Ensure the device is within 100 ft of the router.
Minimize obstructions (e.g. walls, windows) between the device and the router.

STEP 2

Connect GrowHub A22 to the Vivosun app

Step 2.1: Download the Vivosun app

Search "Vivosun" in the App Store or Google Play Store to download the Vivosun app.

Step 2.2: Add GrowHub A22

Tap '+' or cef400f0d7088ddef91f872a925b686a to add GrowHub A22. When connecting to the Vivosun app, the LED indicator will flash white.

*NOTE : * Make sure you have a 2.4G WiFi connection and that Bluetooth is enabled on your phone.

Step 2.3: Name Your Device

Once you’ve successfully connected your GrowHub, you can rename the device and start using it right away.

*NOTE : * You can either create a new Garden or add the GrowHub A22 to an existing one. It is fully compatible with the GrowHub Controllers E42, E42A, and E25.

All GrowHub Controllers in the same Garden will run the same recipe.

Operation

Local Function

LOCAL FUNCTION	OPERATION	LED INDICATOR
Turn On/Off the device	Press the Power Button	White (Wi-Fi disconnected or Manual Mode)
Change Cycle/ Auto/Recipe Mode to Manual Mode	Press and hold the Power Button for 3 seconds	Alternating white & green when holding the button; Become solid white confirms a successful change to Manual Mode
Restore to factory settings	Press and hold the Power Button for 6 seconds	Fast flashing white after successfully restoring to factory settings

LOCAL FUNCTION

OPERATION

LED INDICATOR

Turn On/Off the device

Press the Power Button

White (Wi-Fi disconnected or Manual Mode)

Change Cycle/ Auto/Recipe Mode to Manual Mode

Press and hold the Power Button for 3 seconds

Alternating white & green when holding the button; Become solid white confirms a successful change to Manual Mode

Restore to factory settings

Press and hold the Power Button for 6 seconds

Fast flashing white after successfully restoring to factory settings

APP Control

LED Indicator

Status

Remote On/Off

Turn On/Off the device on the Vivosun app

Timer Setting/Cycle

Turn On/Off the device at a set time

Auto Mode

Turn On/Off the device at a set temperature/humidity

Recipe* (Must work with other devices in the same garden)

Turn On/Off the device based on the stage/schedule/temperature/humidity

Notice : Auto Mode requires a current temperature/humidity measurement. You can add GrowHub A22 to your garden to customize your own smart growing.

Usage Scenarios

Scenario 1: Lighting Control

Connect the light inside the tent to the smart socket; control via the app.

Scenario 2: Irrigation Control

Connect the drip irrigation system from the self-priming water basin to the adapter, then plug it into the smart socket; control via the app.

Warranty

VIVOSUN offers a 2-year limited warranty on this product purchased directly from us or our authorized dealers, beginning on the original date of purchase.

This warranty is provided in addition to, and does not affect, your statutory rights under applicable consumer protection laws in the country where the product was purchased.

For the full Warranty Policy, please visit: https://www.vivosun.com/help/warranty-policy.

Alternatively, you may contact customer service at support@vivosun.com / +1 888-505-8486.

We help you grow your best green.

We provide the highest quality.

We relentlessly pursue the future.

We make growing more enjoyable.

We support every grower.