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La Marche Manufacturing Company
www.lamarchemfg.com
LMC – Sun Series
Hybrid Inverter (Grid-Tied / Off-Grid)
This manual is subject to change without notice. You may obtain the newest version of the manual at www.lamarchemfg.com
106 Bradrock Dr. Des Plaines 60018-1967
Tel: 847 299 1188
Fax: 847 299 3061
Installation and Operation Manual
CPN 142881
Instruction Drawing Number: P25-LLMSN-1
Revision A00
Rev. Date: 04/21
Issue Date: 2/12
Rev. A01
ECN: 22861
ECN: 19412
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Summary of Contents for La Marche LMC SUN Series
- Page 1 La Marche Manufacturing Company www.lamarchemfg.com LMC – Sun Series Hybrid Inverter (Grid-Tied / Off-Grid) Installation and Operation Manual This manual is subject to change without notice. You may obtain the newest version of the manual at www.lamarchemfg.com 106 Bradrock Dr. Des Plaines 60018-1967...
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Page 2: Important Safety Instructions
Important Safety Instructions Before using this equipment, read all manuals and other documents related to this inverter and other equipment connected to this unit. Always have a copy of an inverter’s manual on file nearby, in a safe place; if a replacement copy of a manual is needed, it can be found at www.lamarchemfg.com. Electrical Safety WARNING: Hazardous voltages are present at the input of power systems. -
Page 3: Unit Location
If any damage is observed, take pictures and contact the carrier immediately to file a damage claim. Contact La Marche for a Return Material Authorization number to have the inverter sent back for evaluation and repair. -
Page 4: Table Of Contents
Table of Contents Important Safety Instructions ....................1 Electrical Safety ............................1 Mechanical Safety ............................ 1 Battery Safety ............................1 Unit Location ............................2 Check for Damages ..........................2 Returns for Service ..........................2 Inspection Checklist ..........................2 Handling ..............................2 Table of Contents ........................ -
Page 5: Model Scope/General Description
(if any) refer to the cover page of the manual package. If the manual package that is included with the inverter is no longer available, contact La Marche and provide the model or serial number to receive a list of the included... -
Page 6: Product Overview
Product Overview Figure 1: Basic hybrid PV System Overview NOTE: For parallel model installation and operation, please check separate parallel installation guide for the details. LCD display 9. PV connectors Status indicator 10. Battery connectors Charging indicator 11. Circuit breaker Fault indicator 12. -
Page 7: Equipment Handling
Equipment Handling Storing the LMC SUN If the LMC SUN is to be stored for more than a few days after delivery, it should be stored within its shipping container. The location chosen for storage should be within an ambient temperature of 32 to 122° F (0 to 50°C) with a non- condensing relative humidity of 0 to 90%. -
Page 8: Wall Mounting The Lmc Sun
2.2.1 Wall Mounting the LMC SUN Consider the following points before selecting where to install: Do not mount the inverter on flammable construction ⚫ materials. Mount on a solid surface ⚫ Install this inverter at eye level in order to allow the LCD ⚫... -
Page 9: Ac Input/Output Connection
Recommended battery cable and terminal size: Ring terminal: Model Typical Battery Wire Size Ring Terminal Torque Amperage Capacity Value Cable Dimensions mm 2 D (mm) L (mm) 2KW and 1*2AWG 39.2 140A 200AH 2-3 Nm 2*6AWG 33.2 180A 600AH 2*4AWG 10.5 10-12 Nm Table 2: Recommended battery cable and terminal size... -
Page 10: Pv Connection
Figure 5: AC Input connection to the inverter Figure 6: AC Output connection to the inverter CAUTION: Be sure to connect AC wires with correct polarity. If L and N wires are connected reversely, it may cause utility short-circuited when these inverters are worked in parallel operation. 2.3.3 PV Connection CAUTION: Before connecting to PV modules, please install separately a DC circuit breaker between inverter and PV modules. -
Page 11: Communication Connection
Solar Charging Mode INVERTER MODEL Max. PV Array Open Circuit Voltage 145Vdc PV Array MPPT Voltage Range 30 - 115Vdc 60 - 115Vdc MPP Number User should follow below steps to implement PV module connection: Remove insulation sleeve 10 mm for positive and negative conductors. Check correct polarity of connection cable from PV modules and PV input connectors. -
Page 12: Operation
OPERATION Power ON/OFF: Figure 7: Power On/Off switch of the inverter Once the unit has been properly installed and the batteries are connected well, simply press on/Off switch (located on the button of the case) to turn on the unit. Operation and Display Panel The operation and display panel, shown in below chart, is on the front panel of the inverter. -
Page 13: Lcd Display Icons
LCD Display Icons Icon Function Input source information Indicates the AC input Indicates the 1 st PV panel input Indicates the 2 nd PV panel input Left digital display information Indicate input voltage, input frequency, battery voltage, PV1 voltage, PV2 voltage, charger current Middle digital display information Indicates the setting programs. -
Page 14: Lcd Setting
Mode operation information Indicates unit connects to the mains. Indicates unit connects to the 1 st PV panel Indicates unit connects to the 2 nd PV panel Indicates the solar charger is working Indicates the DC/AC inverter circuit is working. Mute operation Indicates unit alarm is disabled. - Page 15 If selected, acceptable AC input voltage range will be within 170- 280VAC. 220Vac 230V (Default) Output voltage 240Vac 50Hz (default) 60Hz Output frequency Solar energy provides power to charge battery as first priority. Solar supply priority Solar energy provides power to the loads as first priority.
- Page 16 60A (default) Maximum charging current: To configure total charging current For 2kW and 3kW models, setting for solar and utility chargers. range is from 10A to 140A. For 5KW (Max. charging current = utility model, setting range is from 10A to charging current + solar charging 180A.
- Page 17 12V model default setting: 10.2V 24V model default setting: 20.4V Low DC cut off battery voltage 48V model default setting: 40.8V setting If self-defined is selected in program 14, this program can be set up. Setting range is from 10.2V to 12.0V for 12Vdc model, 20.4V to 24V for 24Vdc model and 40.8V to 48.0V for 48Vdc model.
- Page 18 24.0V 24.5V 25.5V 25.0V Available options for 48V models: 44.0V 45.0V Battery stop discharging voltage when grid is available 46.0V (default) 47.0V 48.0V 49.0V 50.0V 51.0V Available options for 12V models: Battery fully charged 12.0V 12.3V 12.5V 12.8V 13.0V Battery stop charging voltage when grid is available 13.5V (default) 13.3V...
- Page 19 14.3V 14.5V Available options for 24V models: Battery fully charged 24.5V 25.5V 26.5V 27V (default) Battery stop charging voltage 27.5V when grid is available 28.5V Available options for 48V models: Battery fully charged 48.0V 49.0V 50.0V 51.0V 52.0V 53.0V 54.0V...
- Page 20 55.0V 56.0V Battery stop charging voltage when grid is available 58.0V 57.0V Return to default display If selected, no matter how users screen (default) switch display screen, it will automatically return to default display screen (Input voltage/output voltage) after no button is pressed for 1 Auto return to default display minute.
- Page 21 00:00 (Default) Start charging time for AC charger The setting range of start charging time for AC charger is from 00:00 to 23:00, increment of each click is 1 hour. 00:00 (Default) Stop charging time for AC charger The setting range of stop charging time for AC charger is from 00:00 to 23:00, increment of each click is 1 hour.
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Page 22: Display Setting
Time Setting– Month For month setting, the range is from 01 to 12. Time Setting – Year For year setting, the range is from 16 to 99. Display Setting The LCD display information will be switched in turns by pressing “UP” or “DOWN” key. The selectable information is switched as below order: input voltage, input frequency, PV voltage, charging current, battery voltage, output voltage, output frequency, load percentage, load in Watt, load in VA, load in Watt, DC discharging current, main board firmware version and SCC firmware version. - Page 23 Battery Voltage=27.0V, load percentage = 68% Battery voltage and load percentage Battery Voltage=27.0V, load in VA=1.08kVA Battery voltage and load in VA Battery Voltage=27.0V, load in Watt=1.88kW Battery voltage and load in Watt PV1 Voltage=69V, charging power=1.58kW PV1 voltage and PV1 charger power PV2 Voltage=69V, charging power=1.58kW PV2 voltage and PV2 charger power...
- Page 24 Charging current=30A, discharging current=0A Charger current and DC discharging current Today energy = 6.3kWh PV energy generated today This month energy = 358kWh. PV energy generated this month This year energy = 8.32MWh PV energy generated this year Total energy = 13.9MWh PV energy generated totally Real date Nov 28, 2015.
- Page 25 Real time 13:20. Real time Version 00001.00 Main board firmware version Version 00002.00 SCC firmware version...
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Page 26: Operating Mode Description
Operating Mode Description Operating mode Behaviors LCD display Battery is charged by utility. Battery is charged by PV energy. Standby mode Note: *Standby mode: The inverter is not turned on yet Battery is charged by utility and PV energy. but at this time, the inverter No output power, solar can charge battery without or utility charger... - Page 27 PV energy charges battery, utility and PV energy provide power to the load. PV energy charges battery, PV energy provides power to the load and feeds remaining energy to the grid. PV energy and battery energy supply power to the load.
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Page 28: Warning Indicator
Warning Indicator Warning Code Warning Event Icon flashing Fan locked Battery over charged Low battery Overload Faults Reference Code Fault Code Fault Event Icon on Fan locked Over temperature Battery voltage is too high Battery voltage is too low Output short circuited Output voltage abnormal Over load time out Bus voltage is too high... -
Page 29: Specifications
Specifications MODEL RATED OUPUT POWER 2000 W 3000W 5000W PV INPUT (DC) Max. PV Power 2000W 4000W 6000W Max. PV Array Open Circuit Voltage 145 VDC 145 VDC 145 VDC MPPT Range @ Operating Voltage 30 VDC-115 VDC 60 VDC-115 VDC 60 VDC-115 VDC Number of MPP Tracker GRID-TIE OPERATION... -
Page 30: Trouble Shooting
Trouble Shooting Problem LCD/LED/Buzzer Explanation / Possible cause What to do Unit shuts down LCD/LEDs and buzzer will automatically during be active for 3 seconds The battery voltage is too low Re-charge battery. startup and then (<1.91V/Cell) Replace battery. process. complete off. -
Page 31: Manufacturer's Warranty
1. The equipment can be returned to the La Marche factory to have the inspections, parts replacements and testing performed by factory personnel. Should it be necessary to return a piece of equipment or parts to the factory, the customer or sales representative must obtain authorization from the factory. -
Page 32: Document Control And Revision History
Document Control and Revision History Part Number: 142881 Instruction Number: P25-LLMSN-1 Issue ECN: 22861- 04/21 22861 – 04/21 22585 – 05/20...
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