Quick reference

Printed as "Battery Type ①Sealed (Default) ②Gel ③Flooded ④ User"; the overview says "Support 3 charging preprogram options: Sealed, Gel, Flooded." The User type is set through the MT50 meter or the PC software.

Location: PDF page 20 (printed page 17), section 3.4 Battery Type

Printed as "The battery fuse should be installed as close to battery as possible. The suggested distance is within 150mm." The 40-page manual (PDF page 15) adds "A fuse which current is 1.25 to 2 times the rated current of the controller, must be installed on the battery side with a distance from the battery not greater than 150 mm."

Location: PDF page 15 (printed page 12), installation note 3

Printed as "Battery input voltage range 8V～32V", shared by the four HY-MPPT columns; the 40-page manual prints "Battery voltage range 8～32V".

Location: PDF page 25 (printed page 22), section 5 Technical Specifications, Electrical Parameters table, Battery input voltage range row

Printed as "Nominal system voltage 12/24VDC Auto", one value shared by the four HY-MPPT columns. The 40-page manual prints "System nominal voltage 12/24VDC Auto" with a footnote that with a lithium-ion battery the system voltage can't be identified automatically.

Location: PDF page 25 (printed page 22), section 5 Technical Specifications, Electrical Parameters table, Nominal system voltage row

The 36-page manual's table prints "Rated charge current 10A 20A 30A 40A" for the HY-MPPT10, HY-MPPT20, HY-MPPT30 and HY-MPPT40 columns; this is the HY-MPPT40 column. The 40-page manual (PDF page 28) prints the same 40A in its sixth (HY-MPPT 40) column, after two Tracer AN columns.

Location: PDF page 25 (printed page 22), section 5 Technical Specifications, Electrical Parameters table, Rated charge current row, HY-MPPT40 column

Printed as "Communication RS485(RJ45 interface)" and, in the overview, "With RS-485 communication bus interface and Modbus communication protocol". The 40-page manual prints "RS485 interface 5VDC/100mA".

Location: PDF page 25 (printed page 22), section 5 Technical Specifications, Electrical Parameters table, Communication row; PDF page 4, Overview

Printed as "Maximum Power Point Tracking (MPPT) controller in HY-MPPT series"; the 40-page manual's tables print HY-MPPT40 beside the Tracer AN models under its MPPT title.

Location: PDF page 2, Important Safety Instructions

The Mechanical Parameters table prints "Dimension 228mmx164mmx55mm 252mmx180mmx63mm"; this is the second (HY-MPPT40) column. No length, width or height labels are printed, so the figures stay in the printed order. The 40-page manual (PDF page 29) prints the same figures in its fourth (HY-MPPT40) column.

Location: PDF page 26 (printed page 23), section 5 Mechanical Parameters table, Dimension row, HY-MPPT40 column

Printed as "Enclosure IP30" in both ACOPOWER HY-MPPT manuals.

Location: PDF page 25 (printed page 22), section 5 Technical Specifications, Environmental Parameters table, Enclosure row

Printed as "Grounding Common positive" in the section 5 table and "The HY-MPPT series is a positive ground controller. Any positive connection of solar, load or battery can be earth grounded as required." in the installation notes; the overview (PDF page 4) says "Based on common positive design". The 40-page manual prints common negative (kept below); the two manuals disagree.

Location: PDF page 25 (printed page 22), section 5 Technical Specifications, Electrical Parameters table, Grounding row; PDF page 15 (printed page 12), installation note 4

Printed as "The controller requires at least 150mm of clearance above and below for proper air flow." in both ACOPOWER HY-MPPT manuals.

Location: PDF page 14 (printed page 11), section 2.4 Mounting

Printed as "Rated discharge current 10A 20A 30A 40A" for the four HY-MPPT columns; this is the HY-MPPT40 column. The 40-page manual prints the same 40A in its sixth (HY-MPPT 40) column.

Location: PDF page 25 (printed page 22), section 5 Technical Specifications, Electrical Parameters table, Rated discharge current row, HY-MPPT40 column

Printed as "with maximum conversion efficiency of 98%" in the series features; the 40-page manual prints the same. Manufacturer claim, not an independent test.

Location: PDF page 4 (printed page 1), Overview features

Printed as "HY-MPPT40 40A 520W/12V 1040W/24V 1560W/12V 3120W/24V": Max. PV Array Power 1560W/12V 3120W/24V. The manual warns the controller is damaged when the array's actual operating power exceeds three times the rated charge power (1.5 times with reversed polarity). The section 5 table's "Max. PV input power" row prints the rated charge power figures instead.

Location: PDF page 13 (printed page 10), section 2.2 PV array table, HY-MPPT40 row, Max. PV Array Power column

Printed as "Max. PV open circuit voltage 100V at minimum operating environment temperature 92V at 25℃ environment temperature", shared by the four HY-MPPT columns. The 40-page manual prints 100V (footnote: at minimum operating environment temperature) and 92V (footnote: at 25℃) across its four HY-MPPT columns; its Tracer AN columns print 60V and 46V instead.

Location: PDF page 25 (printed page 22), section 5 Technical Specifications, Electrical Parameters table, Max. PV open circuit voltage row

Printed as "Advanced Maximum Power Point Tracking (MPPT) technology, with efficiency no less than 99.5%"; the 40-page manual prints "Advanced MPPT technology, with efficiency no less than 99.5%".

Location: PDF page 4 (printed page 1), Overview features

Printed as "MPP Voltage range VBAT+2V～72V" (battery voltage plus 2 V up to 72 V), shared by the four HY-MPPT columns; the 40-page manual prints "(Battery voltage +2V)～ 72V" across its HY-MPPT columns.

Location: PDF page 25 (printed page 22), section 5 Technical Specifications, Electrical Parameters table, MPP Voltage range row

Printed as "Working environment temperature range* -25℃～+45℃", with the footnote "Please operate controller at permitted ambient temperature. If over permissible range, please derate capacity in service."

Location: PDF page 25 (printed page 22), section 5 Technical Specifications, Environmental Parameters table, Working environment temperature range row

Printed as "HY-MPPT40 40A 16/6" (Max. PV input current, then Max. PV wire size in mm2/AWG). The 40-page manual (PDF page 13) prints the same 40A.

Location: PDF pages 13 and 14 (printed pages 10 and 11), section 2.3 PV Wire Size table, HY-MPPT40 row

Printed as "HY-MPPT40 40A 520W/12V 1040W/24V 1560W/12V 3120W/24V" (Rated Charge Current, Rated Charge Power, Max. PV Array Power). The section 5 Electrical Parameters table of both manuals prints the same 520W/12V 1040W/24V in a row labeled "Max. PV input power". The 40-page manual's PV array table prints the same rated charge power.

Location: PDF page 13 (printed page 10), section 2.2 PV array table, HY-MPPT40 row, Rated Charge Power column

Printed as "Self-consumption ≤20mA(12V); ≤16mA(24V)", shared by the four HY-MPPT columns.

Location: PDF page 25 (printed page 22), section 5 Technical Specifications, Electrical Parameters table, Self-consumption row

Printed as "Storage temperature range -35℃～+80℃".

Location: PDF page 25 (printed page 22), section 5 Technical Specifications, Environmental Parameters table, Storage temperature range row

The Mechanical Parameters table prints "Weight 1.2kg 1.9kg"; this is the second (HY-MPPT40) column.

Location: PDF page 26 (printed page 23), section 5 Mechanical Parameters table, Weight row, HY-MPPT40 column