Sri DIGITEK® Dual Overhead Tank Water Level Controller
Engineered specifically for single-phase submersible and monoblock pumps managing **two separate overhead tanks (T1 & T2)**. This advanced heavy-duty system automatically switches ON the pump whenever either overhead tank drops below 50%, and switches OFF only when *both* tanks reach 100% capacity.
How this model fits your system
- 01Underground sump
- 02Single sump pump
- 03Two overhead tanks
Conceptual application view. Confirm the pump, starter, sensors and tank arrangement before installation. Refer to the model’s wiring instructions.
⚙️ Key Features & Operating Logic
Smart Dual Tank Switching Logic
Automatically triggers the pump ON when *any* overhead tank falls below 50%, and switches OFF once *both* tanks are fully filled to 100%.
Independent 2-Level Tank Probes
Monitors 50% and 100% level stages independently across both overhead tanks (T1 and T2), paired with a 3-stage underground sump indicator.
Heavy Duty 30 Amps Relay
Equipped with a robust 30A relay capable of handling motors directly without requiring an external magnetic starter.
Advanced Dry-Run Protection
Detects dry running conditions caused by faulty foot valves or pipeline air leaks, shutting down the pump automatically with a fault indication.
Voltage Protection & Surge Defense
Features built-in surge protection and automatic voltage cut-off if supply voltage drops below 180V or exceeds 250V AC.
Manual, NEED & Bypass Switches
Includes Auto/Manual soft switch for utility tasks, an optional NEED switch for forced activation, and a Rocker Bypass Switch for failure overrides.
📋 Technical Specifications
| Model Code | ULDX-HA-02-DT (Heavy Duty Dual Overhead Tank Controller) |
|---|---|
| Manufacturer | Smart Care Systems |
| Relay Rating | 30 Amps Heavy Duty Relay (Direct connection for motors above 1 HP) |
| Application Configuration | Single-Phase Submersible/Monoblock Sump Pumps with TWO Overhead Tanks (T1 & T2) |
| Tank Level Stages | 2 Levels per Overhead Tank (50% & 100%) + 3 Stages for Sump |
| Working Voltage Cut-Off | Below 180V AC or Above 250V AC |
| Special Features | Water Flow Indication, Dry-Run Protection, Surge Defense, and Soft-Touch NEED Switch |
🏡 Ideal Applications
Properties with Two Overhead Tanks
Designed for residential or commercial buildings featuring two separate storage tanks fed by a single common pump.
Single-Phase Submersible & Monoblocks
Directly drives high-capacity motors up to and above 1 HP using an integrated heavy-duty 30A relay.
Multi-Level Apartments
Automates synchronization between a sump and dual roof tanks without requiring manual intervention.