aptos MAC 800R User manual

Version 1.0

© 2021 Aptos Solar Technology, LLC. All rights reserved. 2
Product Description
This system is composed of a group of microinverters that convert direct current (DC) into alternating
current (AC) and feeds it into the public grid. The system is designed for the incorporation of one
microinverter for two photovoltaic modules. Each microinverter works independently which guarantees
the maximum power generation of each photovoltaic module. This setup enables the user to control the
production of a single photovoltaic module directly, consequently improving the flexibility and reliability of
the system.
Manual Overview
This manual contains important instructions for the MACTM 800R microinverter and must be read in its
entirety before installing or commissioning the equipment. For safety, only a qualified technician who has
received training or have demonstrated skills, should install and maintain this microinverter under the
guide of this document.
Other Information
Product information is subject to change without notice. This user manual will be updated frequently,
please refer to Aptos Solar Technology's official website at www.aptossolar.com for the latest version.

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Contents
1. Important Information .....................................................................................................................................................5
1.1 Product Range.................................................................................................................................................5
1.2 Target Group....................................................................................................................................................5
1.3 Symbols Used..................................................................................................................................................5
2. Safety Overview...........................................................................................................................................................5
2.1 Important Safety Instructions.........................................................................................................................5
2.2 Explanation of Symbols..................................................................................................................................6
2.3 Radio Interference Statement .......................................................................................................................7
3. Product Description........................................................................................................................................................7
3.1 About 2-in-1 Unit..............................................................................................................................................7
3.2 Highlights..........................................................................................................................................................8
3.3 Terminals Introduction....................................................................................................................................8
3.4 Dimension(mm) ...............................................................................................................................................8
4. Product Function.......................................................................................................................................................9
4.1 Work Mode.......................................................................................................................................................9
5. Installation Guide ...................................................................................................................................................9
5.1 Accessories......................................................................................................................................................9
5.2 Installation Precaution ..................................................................................................................................10
5.3 Space Distance Required ............................................................................................................................10
5.4 Preparation.....................................................................................................................................................10
5.5 Installation Steps...........................................................................................................................................11
6. Troubleshooting ...................................................................................................................................................15
6.1 Troubleshooting List .....................................................................................................................................15
6.2 Status LED Indicator.....................................................................................................................................18
6.3 On-site Inspection (For qualified installer only) ........................................................................................19
6.4 Routine Maintenance....................................................................................................................................20
6.5 Replace Microinverter...................................................................................................................................21
7. Decommissions....................................................................................................................................................22
7.1 Decommissions .............................................................................................................................................22
7.2 Storage and Transportation.........................................................................................................................22
7.3 Disposal..........................................................................................................................................................22
8. Technical Data .....................................................................................................................................................22
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8.1 DC Input..........................................................................................................................................................23
8.2 AC Output.......................................................................................................................................................23
8.3 Efficiency, Safety, and Protection................................................................................................................23
8.4 Mechanical Data............................................................................................................................................24
8.5 Features..........................................................................................................................................................24
9. Grid Support Details............................................................................................................................................24
Appendix 1: ...............................................................................................................................................................27
Installation Map ....................................................................................................................................................27
Appendix 2: ...............................................................................................................................................................28
WIRING DIAGRAM –120VAC / 240VAC SPLIT PHASE: .............................................................................28
WIRING DIAGRAM – 120VAC / 208VAC THREE PHASE:..........................................................................29
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1. Important Information
1.1 Product Range
This manual describes the assembly, installation, commissioning, maintenance and
failure search for the following model of Aptos Solar Technology's microinverter:
MACTM 800R
1.2 Target Group
This manual is for qualified technicians who have been trained, or who have demonstrated
skills to install and maintain this Microinverter under the guidance of this document for safety
purposes.
1.3 Symbols Used
The safety symbols in this user manual are show as below.
2. Safety Overview
2.1 Important Safety Instructions
The MACTM 800R Microinverter is designed and tested according to international safety
requirements. However, certain safety precautions must be taken when installing and operating this
inverter. The installer must read and follow all instructions, cautions, and warnings in
this installation manual.
Symbol
Usage
Indicates a hazardous situation that can result in deadly electric shock
hazards, other serious physical injury, or fire hazards.
Indicates directions which must be fully understood and followed in
entirety in order to avoid potential safety hazards including equipment
damage or personal injury.
Indicates the described operation must not be carried out. The reader
should stop, use caution, and fully understand the operations
explained before proceeding.
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2.2 Explanation of Symbols
Symbol
Usage
Treatment
To comply with European Directive 2002/96/EC on waste Electrical and
Electronic Equipment and its implementation as national law, electrical
equipment that has reached the end of its life must be collected separately and
returned to an approved recycling facility. Any device no longer required must
be returned to an authorized dealer or approved collection and recycling facility.
All operations including transport, installation, start-up, and maintenance must be carried out by
qualified, trained personnel.
Before installation, check the unit to ensure is free of any transport or handling damage, which
could affect installation integrity or safety clearances. Choose installation location carefully and
adhere to specified cooling requirements. Unauthorized removal of necessary protections,
improper use, incorrect installation/ operation may lead to serious safety and shock hazards
or equipment damage.
Before connecting the Microinverter to the power distribution grid, contact the local power
distribution grid company to get appropriate approvals. This connection must be made only by qualified
technical personnel. It is the responsibility of the installer to provide external disconnect switches and
Over current Protection Devices (OCPD).
Only one photovoltaic module can be connected to one input of the inverter. Do not connect
batteries or other sources of power supply. The inverter can be used only if all the technical
characteristics are observed and applied.
Do not install the equipment in adverse environmental conditions such as flammable,
explosive, corrosive, extreme high/low temperature, or high humidity. Do not use the equipment
when the safety devices do not work or are disabled.
Always use personal protective equipment, including gloves and eye protection during the installation.
Inform the manufacturer about non-standard installation conditions.
Do not use the equipment if any operating anomalies are found. Avoid temporary repairs.
All repairs should be carried out using only qualified spare parts, which must be installed in
accordance with their intended use and by a licensed contractor or authorized Aptos service
representative.
Liabilities arising from commercial components are delegated to their respective manufacturers.
If the inverter has been disconnected from the public network, please use extreme
caution as some components can retain charge sufficient to create a shock hazard. Ensure all
surfaces and equipment are under touch-safe temperatures and voltage potentials prior to handling
any part of the inverter.
Aptos Solar Technology accepts no liability for damage from incorrect or improper operation.
Electrical installation & maintenance shall be conducted by licensed electrician and shall comply
with Local Wiring Rules.
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Caution
Do not come within 8 inches (20cm) of the microinverter for any length of time
while it is in operation.
Danger of high voltages
Danger to life due to high voltage in the microinverter.
Beware of hot surface
The inverter can become hot during operation. Avoid contact with metal
surfaces during operation.
FCC mark
The inverter complies with the requirements of part 15 of FCC rules.
Read manual first
Please read the installation manual before installation, operation, and
maintenance.
2.3 Radio Interference Statement
This microinverter has been tested and found to comply with the limits for part 15 of FCC rules, which
can provide reasonable protection against harmful energy. However, if not installed according to
instructions, the microinverter may cause harmful interference to radio equipment. There is no
guarantee that the interference will not occur in a particular installation.
To confirm that the radio or television reception is interfered by this equipment, turn the
equipment off and on. If this equipment does cause harmful interference to the radio or
television equipment, correct the interference using one or more of the following measures:
1) Relocate the receiving antenna.
2) Increase the separation between the microinverter and the receiving antenna.
3) Place the shield between the microinverter and the receiving antenna, such as metal /
concrete roof.
4) Contact your dealer or an experienced radio/TV technician for help.
3. Product Description
3.1 About 2-in-1 Unit
“The world’s first daisy-chain, 2-in-1 Unit Microinverter” features extremely wide DC input
operating voltage range (16-60V) and low start-up voltage (22V only).
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Aptos Solar Technology's 2-in-1 unit microinverter MACTM 800R is the perfect solution for PV
systems with an uneven number of panels due to its industry-leading 96.50% (peak efficiency
96.70%).
3.2 Highlights
- Peak output power up to 600W/700W/800W; Adapted to 60 & 72 cells PV panels.
- Peak efficiency 96.70%; CEC weighted efficiency 96.50%.
- Static MPPT efficiency 99.80%; Dynamic MPPT efficiency 99.76% in overcast weather.
- Power factor (adjustable) 0.8 leading……0.8 lagging.
- External antenna for stronger communication with DTU.
- High reliability: NEMA6 (IP67) enclosure; 6000V surge protection.
3.3 Terminals Introduction
3.4 Dimension(mm)
Object
Description
A
AC Connector (Male)
B
AC Connector (Female)
C
DC Connectors
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4. Product Function
4.1 Work Mode
Normal: Under this mode, Microinverter is operating normally and will convert DC power into AC
power to support the house loads and feed into the Public Grid
Zero Export Control: Under this mode Microinverter’s generation is limit base on the current house
loads, there will be no extra power feed in to the Public Grid.
Standby: There are several circumstance that Microinverter will stay in Standby mode:
- The current condition is contradicted with Microinverter operating requirement.
- No house loads or the Export control value has been set as “0” on the DTU under the Zero Export
Control mode.
5. Installation Guide
5.1 Accessories
*Note: All accessories above are not included in the package and need to be purchased separately. Please contact
our sales representative for the pricing. (M8 screws need to be prepared by installer-self.)
Object
Description
A
AC End Cable (Female), 2m 12AWG Cable
B
M8*25 Screws
C
DC Extension Cable, 1m
D
AC Female End Cap, IP67
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5.2 Installation Precaution
Please install the Microinverter and all DC connections under the PV module to avoid direct
sunlight, rain exposure, snow layup, UV, etc. Allow a minimum of 2 cm space around the
microinverter enclosure to ensure ventilation and heat dissipation.
*Note: For some countries, the DTU will be required to meet the local grid regulation (e.g. G98/99 for UK etc.)
5.3 Space Distance Required
If the microinverters are installed on a concrete roof or steel roof, the communication with the DTU
may be slightly affected. Under such installation conditions, it is better for the microinverters to be
installed 50cm above the roof. Otherwise, more DTUs may be required to ensure communication
quality between the DTUs and the microinverters.
5.4 Preparation
Installation of the equipment is carried out based on the system design and the place in which the
equipment is installed.
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The installation must be carried out with the equipment disconnected from the grid (power
disconnect switch open) and with the photovoltaic modules shaded or isolated.
Referring to the Technical Data to make sure the environmental conditions fit the
microinverter’s requirement (degree of protection, temperature, humidity, altitude, etc.)
To avoid power de-rating due to an increase in the microinverter internal temperature, do not
expose it to direct sunlight.
To avoid overheating, always make sure the air flow around the inverter is not blocked.
Do not install in places where gasses or flammable substances may be present.
Avoid electromagnetic interference that can compromise the correct operation of electronic
equipment.
When choosing the position of installation, comply with the following conditions:
Install only on structures specifically conceived for photovoltaic modules (supplied by
installation technicians).
Install Microinverter underneath of the photovoltaic modules to make sure it works
in the shadow. If this condition cannot be met, it might trigger the inverter production de-
rating.
Fig.1 Installation position of microinverter
5.5 Installation Steps
Step 1. Fix Microinverter on the Rail
A) Mark the approximate center of each panel on the frame.
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B) Fix the screw on the rail.
C) Hang the microinverter on the screw (shown as pictured below), and tighten the screw. The
silver cover side of the Microinverter should be facing the panel.
Step 2. Connect AC Cables of Microinverter
A) Plug the AC connector of the first microinverter with the connector of the second microinverter to
form a continuous AC branch circuit.
*Note: The length of AC cable on Microinverter is around 2.06m. If the distance between two Microinverters is more
than 1.2m, please use the AC extension cable between two inverters (as picture indicated below).
B) Install the AC end cap on the open AC connector of the last microinverter in the AC branch circuit.
Step 3. Connect AC End Cable
A) Make the end cable
1. Dissemble the AC port into 3 parts
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2. Insert the AC cable from Part 3 to Part 2 and complete with wiring for the L, N, and Ground
inside Part 1 AC port accordingly:
G: Yellow/Green wire *Note: L: Brown wire N: Blue wire
Please use 12 AWG cable as AC end cable.
3. Plug the AC port Part 2 into Part 1 once complete with the wiring. Next screw the Part 3
on and complete the AC extension cable:
B) Connect the AC end cable to the AC male connector from the first Microinverter to complete the
circuit.
C) Connect the other side of the AC end cable to the distribution box and wire it to the local grid
network.
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Step 4. Create an Installation Map
A) Peel the removable serial number label from each microinverter (the position of the label is
shown as below.)
B) Affix the serial number label to the respective location on the installation map.
Step 5. Connect PV Modules
A) Mount the PV modules above the microinverter.
B) Connect the DC cables of the PV modules to the DC input side of the
microinverter.
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Step 6. Energize the System
A) Turn on the AC breaker of the branch circuit.
B) Turn on the main AC breaker of the house. Your system will start to generate power after about
a 2-minute wait time.
Step 7. Set Up the Monitoring System
Refer to the DTU User Manual or DTU Quick Install Guide, and Quick Installation Guide for HMP
Online Registration to install the DTU and set up your monitoring system.
6. Troubleshooting
6.1 Troubleshooting List
Alarm
Code
Alarm Name
Suggestion
121
Over temperature
protection
1. Check the ventilation and ambient temperature at the microinverter
installation position.
2. If the ventilation is poor or the ambient temperature exceeds the limit,
improve the ventilation and heat dissipation.
3. If both the ventilation and ambient temperature meet the requirements,
contact your dealer or Aptos technical support.
125
Grid configuration
parameter error
1.Check if the grid configuration parameter is correct and upgrade again.
2.If the fault still exists, contact your dealer or Aptos technical
support.
126
Software error code
126
1. If the alarm occurs accidentally and the microinverter can still work
normally, no special treatment is required.
2. If the alarm occurs frequently and cannot be recovered, contact your
dealer or Aptos technical support.
127
Firmware error
1.Check if the firmware is correct and upgrade again.
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2.Check the communication between DTU and Aptos monitoring
system, the communication between DTU and microinverter. Then try
again.
3.If the fault still exists, contact your dealer or Aptos technical
support.
128
Software error code
128
1. If the alarm occurs accidentally and the microinverter can still work
normally, no special treatment is required.
2. If the alarm occurs frequently and cannot be recovered, contact your
dealer or Aptos technical support.
129
Software error code
129
1. If the alarm occurs accidentally and the microinverter can still work
normally, no special treatment is required.
2. If the alarm occurs frequently and cannot be recovered, contact your
dealer or Aptos technical support.
130
Offline
1.Please make sure that the microinverter works normally.
2.Check the communication status between the DTU and Aptos
monitoring system or between the DTU and the microinverter. If
the communication is poor, try to make some improvements.
3.If the alarm occurs frequently and cannot be recovered, contact your
dealer or Aptos technical support.
141
Grid overvoltage
1. If the alarm occurs accidentally, the grid voltage may be abnormal
temporarily. The microinverter can recover automatically after grid
voltage becomes normal.
2. If the alarm occurs frequently, check whether the grid voltage is within
the acceptable range. If no, contact the local power operator or change
the grid overvoltage protection limit via Aptos monitoring system with the
consent of the local power operator.
142
10-min value grid
overvoltage
1. If the alarm occurs accidentally, the grid voltage may be abnormal
temporarily. The microinverter can recover automatically after grid
voltage becomes normal.
2. If the alarm occurs frequently, check whether the grid voltage is within
the acceptable range. If no, contact the local power operator or change
the grid overvoltage protection limit via Aptos monitoring system with the
consent of the local power operator.
143
Grid undervoltage
1. If the alarm occurs accidentally, the grid voltage may be abnormal
temporarily. The microinverter can recover automatically after grid
voltage becomes normal.
2. If the alarm occurs frequently, check whether the grid voltage is within
the acceptable range. If no, contact the local power operator or change
the grid undervoltage protection limit via Aptos monitoring system
with consent from the local power operator.
3. If the fault still exists, check the AC switch or AC wiring.
144
Grid overfrequency
1. If the alarm occurs accidentally, the grid frequency may be abnormal
temporarily. The microinverter can recover automatically after grid
frequency becomes normal.
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2. If the alarm occurs frequently, check whether the grid frequency is
within the acceptable range. If no, contact the local power operator or
change the grid overfrequency protection limit via Aptos monitoring
system with the consent of the local power operator.
145
Grid underfrequency
1. If the alarm occurs accidentally, the grid frequency may be abnormal
temporarily. The microinverter can recover automatically after grid
frequency becomes normal.
2. If the alarm occurs frequently, check whether the grid frequency is
within the acceptable range. If not, contact the local power operator or
change the grid underfrequency protection limit via Aptos monitoring
system with the consent of the local power operator.
146
Rapid grid frequency
change rate
1. If the alarm occurs accidentally, the grid frequency may be abnormal
temporarily. The microinverter can recover automatically after grid
frequency becomes normal.
2. If the alarm occurs frequently, check whether the grid frequency
change rate is within the acceptable range. If no, contact the local power
operator or change the grid frequency change rate limit via Hoymiles
monitoring system with the consent of the local power operator.
147
Power grid outage
Please check whether there is a power grid outage.
148
Grid disconnection
Please check whether the AC switch or AC wiring is normal.
149
Island detected
1. If the alarm occurs accidentally, the grid voltage may be abnormal
temporarily. The microinverter can recover automatically after grid
voltage becomes normal.
2. If the alarms occur frequently on all the microinverters in your station,
contact the local power operator to check whether there is a grid island.
3. If the alarm still exists, contact your dealer or Aptos technical
support.
205
Input port1
overvoltage
1.Please make sure that the PV module open-circuit voltage is less than
or equal to the maximum input voltage.
2.If the PV module open-circuit voltage is within the normal range,
contact your dealer or Aptos technical support.
206
Input port2
overvoltage
1.Please make sure that the PV module open-circuit voltage is less than
or equal to the maximum input voltage.
2.If the PV module open-circuit voltage is within the normal range,
contact your dealer or Aptos technical support.
207
Input port1
undervoltage
1.Please make sure that the PV module open-circuit voltage is less than
or equal to the maximum input voltage.
2.If the PV module open-circuit voltage is within the normal range,
contact your dealer or Aptos technical support.
208
Input port2
undervoltage
1.Please make sure that the PV module open-circuit voltage is less than
or equal to the maximum input voltage.
2.If the PV module open-circuit voltage is within the normal range,
contact your dealer or Aptos technical support.
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209
Port1 No input
1. Please confirm whether this port is connected to the PV module;
2. If the PV module is connected, please check the DC cable connection
between this port and the PV module.
210
Port2 No input
1. Please confirm whether this port is connected to the PV module;
2. If the PV module is connected, please check the DC cable connection
between this port and the PV module.
301
Hardware Error Code
301
1. If the alarm occurs accidentally and the microinverter can still work
normally, no special treatment is required.
2. If the alarm occurs frequently and cannot be recovered, contact your
dealer or Aptos technical support.
302
Hardware Error Code
302
1. If the alarm occurs accidentally and the microinverter can still work
normally, no special treatment is required.
2. If the alarm occurs frequently and cannot be recovered, contact your
dealer or Aptos technical support.
303
Hardware Error Code
303
1. If the alarm occurs accidentally and the microinverter can still work
normally, no special treatment is required.
2. If the alarm occurs frequently and cannot be recovered, contact your
dealer or Aptos technical support.
304
Hardware Error Code
304
1. If the alarm occurs accidentally and the microinverter can still work
normally, no special treatment is required.
2. If the alarm occurs frequently and cannot be recovered, contact your
dealer or Aptos technical support.
305
Hardware Error Code
305
1. If the alarm occurs accidentally and the microinverter can still work
normally, no special treatment is required.
2. If the alarm occurs frequently and cannot be recovered, contact your
dealer or Aptos technical support.
306
Hardware Error Code
306
1. If the alarm occurs accidentally and the microinverter can still work
normally, no special treatment is required.
2. If the alarm occurs frequently and cannot be recovered, contact your
dealer or Aptos technical support.
307
Hardware Error Code
307
1. If the alarm occurs accidentally and the microinverter can still work
normally, no special treatment is required.
2. If the alarm occurs frequently and cannot be recovered, contact your
dealer or Aptos technical support.
308
Hardware Error Code
308
1. If the alarm occurs accidentally and the microinverter can still work
normally, no special treatment is required.
2. If the alarm occurs frequently and cannot be recovered, contact your
dealer or Aptos technical support.
6.2 Status LED Indicator
The LED flashes five times at start-up. All green flashes (1s gap) indicate normal start-
up.
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(1) Start-up Process
Flashing Green five times (0.3s gap): Start-up success
Flashing Red five times (0.3s gap): Start-up failure
(2) Run Process
Flashing Fast Green (1s gap): Producing power.
Flashing Slow Green (2s gap): Producing power, but one input is abnormal.
Flashing Slow Green (4s gap): Producing power, but there is no communication with DTU.
Flashing Red (1s gap): Not producing power; AC grid invalid (Voltage or frequency out of
range).
Flashing Red (0.5s gap): There is a fault except the abnormality of grid.
(3) Other Status
Flashing Red and Green alternately: Firmware is corrupted.
*Note: All the faults are reported to the DTU, refer to the local APP of the DTU or Aptos Monitoring Platform for more
information.
6.3 On-site Inspection (For qualified installer only)
To troubleshoot an inoperable microinverter, complete the following steps in the order shown.
1. Verify the utility voltage and frequency are within ranges shown in the appendix Technical Data of
this microinverter.
2. Check the connection to the utility grid. Verify utility power is present at the inverter in question by
removing AC, then DC power. Never disconnect the DC wires while the microinverter is producing
power. Re-connect the DC module connectors and watch for five short LED flashes.
3. Check the AC branch circuit interconnection between all the microinverters. Verify each inverter is
energized by the utility grid as described in the previous step.
4. Make sure that any AC breakers are functioning properly and are closed.
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5. Check the DC connections between the microinverter and the PV module.
6. Verify the PV module DC voltage is within the allowable range shown in appendix "Technical
Data" of this manual.
7. If the problem persists, please call Aptos customer support.
Warning
Do not try to repair the microinverter. If the troubleshooting fails, please return it to the factory for replacement.
6.4 Routine Maintenance
1. Only authorized personnel are allowed to carry out the maintenance operations and are responsible
to report any anomalies.
2. Always use the personal protective equipment provided by the employer when carrying out
the maintenance operation.
3. During normal operation, check that the environmental and logistic conditions are correct. Make sure
that the conditions have not changed over time and that the equipment is not exposed to adverse
weather conditions and has not been covered with foreign bodies.
4. DO NOT use the equipment if any problems are found, restore the normal conditions after the fault
is removed.
5. Conduct an annual inspection on various components and clean the equipment with a vacuum
cleaner or special brushes.
Do not attempt to dismantle the Microinverter or make any internal repairs! In order to preserve the
integrity of safety and insulation, the Microinverters are not designed to allow internal repairs!
The AC output wiring harness (AC drop cable on the Microinverter cannot be replaced. If the cord is
damaged, then the equipment should be properly disposed.
Unless otherwise indicated, maintenance operations must be carried out with the equipment
disconnected from the grid (power switch open and the photovoltaic modules obscured or isolated.
For cleaning, do not use rags made of filamentary material or corrosive products that may
corrode parts of the equipment or generate electrostatic charges.
Avoid temporary repairs. All repairs should be carried out using only genuine spare parts.
Each branch should provide a circuit breaker, but no need for central protection unit.
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