PATTERN PT-HD4224 high-frequency solar inverter front view

Inverters

PT-HD4224 High-Frequency Solar Inverter

Compact 24V solar inverter for battery-based backup and off-grid applications.

PT-HD4224 · 24VDC · 4000W battery-mode output

Pure sine wave AC output
Integrated MPPT with 5000W maximum PV input
LCD displays operating mode, input, output, load and battery status
10ms UPS-mode or 20ms normal-mode transfer time

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Technical Specifications

Model	PT-HD4224
Inverter Type	High-frequency hybrid solar inverter
AC Input	220 / 230 / 240VAC; L+N+PE
AC Input Voltage Range	90–280VAC ±3V (normal) / 170–280VAC ±3V (UPS)
Input Frequency	50 / 60Hz, automatic
Output Power (Battery Mode)	4000W
AC Output Voltage	220 / 230 / 240VAC ±5%
Output Frequency	50 / 60Hz ±0.1%
Waveform	Pure sine wave
Transfer Time	10ms (UPS mode) / 20ms (normal mode)
Peak Power	8000VA
Battery Nominal Voltage	24VDC
Constant Charging Voltage	28.2VDC, adjustable
Float Charging Voltage	27VDC, adjustable
Solar Controller	MPPT
Maximum PV Power	5000W
MPPT Voltage Range	60–500VDC
Best Vmp Working Range	300–400VDC
Maximum PV Input Voltage	500VDC
Maximum PV Input Current	18A
Maximum PV Charging Current	120A
Maximum AC Charging Current	100A
Maximum Charging Current	120A
Display	LCD
Communication Port	RS232, 2400 baud
Communication Expansion	RS232 / RS485 / lithium battery BMS / WiFi / dry contact; confirm configuration
Parallel Operation	Not supported
Grid Feed-in	Supported; 170–265VAC, 17.4A nominal output current
Operating Temperature	-10–50°C
Operating Humidity	20–95%, non-condensing
Storage Temperature	-15–60°C
Altitude	≤1000m; maximum 4000m with load derating
Noise	≤50dB
Product Dimensions (L×W×H)	433×330×138mm
Package Dimensions (L×W×H)	512×420×207mm
Gross Weight	9.71kg
Output Power (PV Mode)	4500W

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Applications

·Home backup power
·Small off-grid solar systems
·Compatible small commercial backup loads

OEM / ODM & Packaging

Contact PATTERN for OEM/ODM branding and configuration requirements.

Package dimensions 512×420×207mm; gross weight 9.71kg.

System Details

BMS, Communication & Compatibility

Communication Interfaces

·RS232 communication port, 2400 baud
·RS485, lithium BMS, WiFi and dry-contact expansion listed in the datasheet; confirm supplied configuration

Parallel Expansion

PT-HD4224 does not support parallel operation.

FAQ

PT-HD4224 High-Frequency Solar Inverter — Frequently Asked Questions

What is the output power?

The datasheet specifies 4000W in battery mode, 4500W in PV mode and 8000VA peak power. Maximum PV input power is 5000W.

Does it support parallel operation or grid feed-in?

Parallel operation is not supported. The datasheet lists grid feed-in parameters of 170–265VAC and 17.4A nominal output current.

What battery voltage does this model use?

The nominal battery voltage is 24VDC. Confirm the battery type and settings with PATTERN before installation.

Does it support lithium battery communication?

The datasheet lists lithium battery BMS communication among the expansion options. Confirm the supplied ports, battery protocol and optional modules with PATTERN.