Tank & Valve

Gravity Transfer

Configure Gravity Transfer in HPzenAi Smart. Moves water between tanks through valve control without running a pump.

What it does

Move water between tanks without a pump.

Moves water between tanks through valve control without running a pump. Use this automation when the selected field devices should work together without repeated manual setup.

CategoryTank & Valve

Works with

Level SensorsValvesRelay Controllers

Automation Logic

When

Trigger

The receiving tank falls below the refill point.

Default

Upper tank level is above 70%

Choices

Upper tank level is above60%70%80%Enter value

Example: choose "Upper tank level is above" and keep the default 70%, select another preset, or enter another value.

If

Condition

The source tank has enough water and the transfer valve is available.

Default

Lower tank level is below 40%

Choices

Lower tank level is below30%40%50%Enter valueNo condition

Example: choose "Lower tank level is below" and keep the default 40%, select another preset, or enter another value.

Then

Action

Open the transfer valve until the receiving tank reaches the stop level.

Default

Open transfer valve until lower tank reaches 80%

Choices

Open transfer valve until lower tank reaches70%80%90%Enter valueOpen transfer valve for30 min60 minEnter valueOnly notify me

Example: choose "Open transfer valve until lower tank reaches" and keep the default 80%, select another preset, or enter another value.

Active

Allowed Time

Use Day or All day depending on site operating rules.

Default

All day

Choices

All dayDay (6 AM - 6 PM)Night (6 PM - 6 AM)

Example: keep All day for protection workflows, or choose Day or Night when operation should stay inside site hours.

Automation Details

Recommended use

Elevated source tanks, gravity distribution lines, and transfer between storage zones.

Device Inputs

Level Sensors, Valves, Relay Controllers

Output Behavior

Open the transfer valve until the receiving tank reaches the stop level.

Safety Note

Confirm the source tank has a minimum reserve before allowing transfer.

Test Method

Confirm the transfer valve opens only when source level is sufficient.

Visual reference coming soon

Future screenshot area for the Gravity Transfer setup screen and saved Smart card.

Gravity Transfer Walkthrough

Walkthrough video coming soon

Before You Start

Device Readiness

Link every device used by this workflow and confirm each one is online.

Device Selection

Choose the exact tank, pump, valve, relay, or meter that should be controlled.

Safe Test

Test with safe thresholds or manual observation before leaving the workflow enabled.

Guided Setup

Set Up Gravity Transfer

Step 1 / 12

9:41

1

Open the HPzenAi app.

Step 1 / 12

Commissioning Checks

• Confirm the valve opens and closes at the expected tank condition.
• Confirm the transfer valve opens only when source level is sufficient.
• Confirm the saved card shows the correct workflow, devices, schedule, and enabled state.
• Review the event history after testing so the action is recorded as expected.
• Keep safety-critical workflows active all day unless the site needs a specific time window.

Troubleshooting

• If the Save button is disabled, complete every required trigger, condition, action, and timing field.
• If the workflow does not run, confirm the devices are online and the active time allows it to run now.
• If the action does not complete, check whether the target device is already in that state or cannot accept commands.
• If notification behavior is missing, confirm phone notification permission and recent device data.

Create an AutomationWorkflow CatalogSchedules & Active TimeTroubleshooting