The TrolMaster Delta-1 is a pre-configured 3-phase variable frequency drive (VFD) designed specifically for Hydro-X Pro fan-speed automation. It connects to the Hydro-X Pro through the TrolMaster VFD-1 module and provides continuous, stepless speed control for compatible 3-phase AC industrial fans. Unlike a standard VFD that requires manual programming, the Delta-1 arrives factory-configured for the TrolMaster ecosystem, allowing the Hydro-X Pro to adjust fan speed automatically in response to environmental conditions.
• SKU: Delta-1
• Manufacturer: Delta / TrolMaster-configured
• VFD Type: Variable Frequency Drive
• Input Voltage: 3PH 380–480V, 50/60Hz
• Input Current — Normal Duty: 11.6A
• Input Current — Heavy Duty: 9.9A
• Output Voltage: 3PH 0–460V
• Output Current — Normal Duty: 10.5A
• Output Current — Heavy Duty: 9A
• Output Power: 5HP / 3.7kW
• Output Capacity — Normal Duty: 8.0 kVA
• Output Capacity — Heavy Duty: 6.9 kVA
• Frequency Range: 0–599Hz
• Motor Compatibility: 3-phase AC motors only
• Single-Phase Motors: Not compatible
• Compatible Controller: TrolMaster Hydro-X Pro via VFD-1
• Controller Interface: RJ45 connection to VFD-1
• RJ45 Cable: Included
• Factory Configuration: Parameters pre-set for TrolMaster VFD-1/Hydro-X Pro operation
• Fan Control: Continuous, stepless speed control
• Standard Enclosure: IP20 / UL Open-Type
• Standard Ambient Temperature: -20°C to 50°C
• Optional Conduit Box: NEMA 1 / UL Type 1
• Ambient Temperature with Conduit Box: -20°C to 40°C
• Typical Applications: Industrial supply, exhaust and circulation fans
• Standalone VFD: Can physically operate as a standalone drive, but it is specifically configured for the TrolMaster ecosystem
• Programming Required: No manual VFD parameter programming required
• Important Voltage Note: Not suitable for 208V or 240V 3-phase input systems
Key Advantage: The Delta-1 eliminates much of the complexity normally associated with VFD commissioning because it arrives factory-configured for Hydro-X Pro and VFD-1 integration. It enables true variable-speed ventilation, allowing fan speed to respond continuously to temperature, humidity and CO₂ conditions instead of simply switching fans on and off.