HLPA03D723B Danfoss Holip Inverter

HLPA03D723B is a general-purpose inverter from Danfoss Holip HLP‑A series, 3.7 kilovatios, 220 V three-phase/single-phase. It is suitable for constant-torque loads, with an overload capacity of 150% para 1 minute, built-in PID and simple PLC, ideal for industrial applications such as plastic extrusion and conveyors.

1. Model Explanation

2. Parámetros eléctricos clave

3. Dimensiones & Electrical Specifications

3.1 Dimensiones físicas (Unit: milímetros)

Mounting Requirements: Mount vertically. Leave ≥100 mm clearance above and below, ≥50 mm left and right for ventilation. Avoid dust, oil, and humidity.

3.2 Electrical Installation

4. Alambrado & Terminal Definitions

4.1 Main Circuit Terminals

4.2 Control Circuit Terminals (Estándar)

Wiring Notes: Separate main power and control wiring. Use shielded cable for analog signals, grounded at one end. Avoid parallel routing with power cables.

5. Características & Applications

Funciones principales

Built-in PID controller: Suitable for closed-loop control (presión, flow, temperatura)

Simple PLC: 16-step speed, program run, traverse function

Protección integral: sobrecorriente, sobretensión, subtensión, overheat, pérdida de fase, motor overload

Comunicación: RS485 standard, Modbus RTU, for centralized control

Aplicaciones típicas

Plastic extruders: Optimized for constant torque, stable low-speed high-torque operation

Conveyors: Smooth start, multivelocidad, load-adaptive

Mixers: High starting torque, strong overload capability

Maquinaria de embalaje: Precise speed control, positioning

6. Reemplazo & Guía de selección

6.1 Same-Brand Upgrades

6.2 Cross-Brand Equivalents

Critical Replacement Notes

1. Voltage match: Must be 220 entrada V
2. Current match: Rated current ≥17 A
3. Mounting match: Dimensions and cooling compatible
4. I/O match: Analog/digital interfaces compatible
5. Parameter transfer: Save old parameters, reconfigure per new manual
6. Solución de problemas de fallas

8. Instalación & Maintenance

8.1 Installation Standards

Vertical mounting, away from direct sunlight and heat sources

Temperatura ambiente: -10°C~40°C (derate above 40°C)

Humedad: 5%~95% (non-condensing)

Altitud: ≤1000 m (derate above 1000 metro)

8.2 Programa de mantenimiento

A diario: Check temperature, fan noise, unusual odors

Trimestral: Clean heatsink, tighten terminals

Yearly: Check capacitors, replace worn fan

8.3 Unidad de frenado

For quick stop / high inertia: external braking unit HBR‑03D7 (para 3.7 kilovatios)

Braking resistor: 50 Ω / 100 W. (adjust per application)

9. Technical Specifications

Modelo: HLPA03D723B (HOLIP HLP‑A Series)

Rated Power: 3.7 kilovatios

Voltaje de entrada: 220 V Single/Three Phase, 50 Hz (±15%)

Corriente de salida nominal: 17 A

Capacidad de sobrecarga: 150%/1 min, 180%/0.2 s

Método de control: Control V/F, built-in PID, simple PLC

Starting Torque: 150% rated torque at 1 Hz

Dimensiones (Ancho×Alto×Profundidad): 125×210×185 mm

Peso: Aprox.. 2.8 kilos

Practical Troubleshooting for HLPA03D723B (3.7kW/220V)

1. Fault Codes (Más común)

1.1 OC / sobrecorriente

Causas: Motor jam, shorted cable, fast acceleration, poor motor insulation

Soluciones:

1. Check for seized motor or overload
2. Increase acceleration time
3. Inspect U/V/W cables for damage or short
4. Run inverter without motor to isolate fault

1.2 OV / Sobretensión

Causas: Fast deceleration, high mains voltage, high-inertia load

Soluciones:

1. Increase deceleration time
2. Add external braking resistor (≈50Ω/100W)
3. Check if input exceeds 250 V

1.3 UV / Subtensión

Causas: Bajo 220 V, loose wiring, pérdida de fase

Soluciones:

1. Measure R/S/T voltage (no lower than 180 V)
2. Tighten power terminals
3. Monofásico: connect R & S only

1.4 OH / Overheat

Causas: Blocked vents, faulty fan, high ambient temp

Soluciones:

1. Clean heatsink and fan
2. Verify fan operation
3. Maintain ≥10 cm clearance top/bottom

1.5 OL / Sobrecarga del motor

Causas: Heavy load, wrong motor parameters, low torque

Soluciones:

1. Reduce load
2. Check motor rated current setting
3. Increase torque boost

1.6 GF / Ground Fault

Causas: Motor leakage, grounded cable, poor insulation

Soluciones:

1. Test motor insulation
2. Check output cable for grounding
3. Secure PE connection

1.7 CE / Communication Error

Causas: RS485 interference, wrong wiring

Soluciones:

1. Check A/B wiring polarity
2. Use shielded cable, grounded at one end
3. Route away from power cables
4. Abnormal Operation (No Fault Code)

2.1 Keypad displays but motor does not run

Soluciones:

1. Check if in terminal control, no start signal
2. Verify DI1 (FWD) is closed
3. Check frequency reference (0 V/0 mA)

2.2 Motor vibration / ruido

Soluciones:

1. Lower carrier frequency
2. Tighten motor cables
3. Increase torque boost at low speed

2.3 Frequency cannot rise / limited

Soluciones:

1. Check maximum frequency parameter
2. Verify analog signal (0‑10 V/4‑20 mA)
3. Check for false multi-speed input
4. Important Notes for HLPA03D723B

220 V ONLY: DO NOT connect to 380 V (will damage IGBT module)

Arriba 3 fallas: OC, OV, UV

Single-phase input must be tightly secured; loose terminals often cause UV faults