HLPA03D723B Danfoss Holip Inverter

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

1. Model Explanation

2. Key Electrical Parameters

3. Размеры & Electrical Specifications

3.1 Physical Dimensions (Unit: мм)

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. Электропроводка & Terminal Definitions

4.1 Main Circuit Terminals

4.2 Control Circuit Terminals (Стандартный)

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. Функции & Applications

Основные функции

Built-in PID controller: Suitable for closed-loop control (pressure, flow, temperature)

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

Comprehensive protection: Перегрузка по току, перенапряжение, пониженное напряжение, overheat, потеря фазы, motor overload

Communication: RS485 standard, Modbus RTU, for centralized control

Типичные применения

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

Конвейеры: Smooth start, multi-speed, load-adaptive

Mixers: High starting torque, strong overload capability

Packaging machinery: Precise speed control, positioning

6. Замена & Selection Guide

6.1 Same-Brand Upgrades

6.2 Cross-Brand Equivalents

Critical Replacement Notes

1. Voltage match: Must be 220 V input
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. Fault Troubleshooting

8. Установка & Maintenance

8.1 Installation Standards

Vertical mounting, away from direct sunlight and heat sources

Температура окружающей среды: -10°C~40°C (derate above 40°C)

Влажность: 5%~95% (non-condensing)

Высота: ≤1000 m (derate above 1000 м)

8.2 Maintenance Schedule

Daily: Check temperature, fan noise, unusual odors

Quarterly: Clean heatsink, tighten terminals

Yearly: Check capacitors, replace worn fan

8.3 Braking Unit

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

Braking resistor: 50 Ой / 100 Вт (adjust per application)

9. Technical Specifications

Модель: HLPA03D723B (HOLIP HLP‑A Series)

Rated Power: 3.7 кВт

Input Voltage: 220 V Single/Three Phase, 50 Гц (±15%)

Rated Output Current: 17 А

Перегрузочная способность: 150%/1 min, 180%/0.2 с

Метод управления: V/F control, built-in PID, simple PLC

Starting Torque: 150% rated torque at 1 Гц

Размеры (W×H×D): 125×210×185 mm

Weight: Приблизительно. 2.8 кг

Practical Troubleshooting for HLPA03D723B (3.7kW/220V)

1. Fault Codes (Самый распространенный)

1.1 OC / Перегрузка по току

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

Решения:

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 / Overvoltage

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

Решения:

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

1.3 UV / Пониженное напряжение

Причины: Низкий 220 В, loose wiring, потеря фазы

Решения:

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

1.4 OH / Overheat

Причины: Blocked vents, faulty fan, high ambient temp

Решения:

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

1.5 OL / Motor Overload

Причины: Heavy load, wrong motor parameters, low torque

Решения:

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

1.6 GF / Ground Fault

Причины: Motor leakage, grounded cable, poor insulation

Решения:

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

1.7 CE / Communication Error

Причины: RS485 interference, wrong wiring

Решения:

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

Решения:

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 / noise

Решения:

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

2.3 Frequency cannot rise / limited

Решения:

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 В (will damage IGBT module)

Top 3 недостатки: OC, OV, UV

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