solarV MT11 Remote Display Meter for the DuoRacer Solar Controller Instruction Manual

Important Safety Instructions

Thank you for selecting the remote meter.

General safety information

• Please contact our company or transportation if the product has been damaged.
• Please read this manual carefully before using the product and pay attention to the safety information.
• Keep the product away from rain, exposure, severe dust, vibrations, corrosive gas and intense electromagnetic interference.
• Do not allow water to enter the product.
• There are no user serviceable parts inside the product. Do not disassemble or attempt to repair it.

Recommendations

• The MT11 is only allowed to connect with DR-N series charge controller. Please confirm before purchase and installation.
• Please do not install MT11 in a situation with strong electromagnetic interference.

Overview

The MT series remote meter is an accessory which is compatible with the DuoRacer series controller. It can monitor the running data and working status of the controller via the remote meter. The remote meter can browse the controller’s parameters, set the battery type and temperature unit, and clean the generated energy. It is suitable for RV, Camper, Boat, and so on.
Features：

• Automatically identify and display the type, model and relevant parameter data of controllers.
• Real-time display the operational data and working status of the connected devices in digital, graphics and textual forms by a large-screen multifunction LCD.
• Three touch buttons are easy and quick to operate.
• No need for external power supply. Charge controller supplies the power for MT11.
• It can browse the controller’s parameters, set the battery type and temperature unit, and clean the generated energy.
• Real-time display of failure information of the connected devices.
• Longer communication distance based on RS485.

Product classification

1. MT11(include the 1.5m communication cable)
   • Remote meter MT11
   • 1.5m communication cable (Model: CC-RS485-RS485-3.81-4P-150)
   • Base of MT11
2. MT11 (include the 5m communication cable)
   • Remote meter MT11
   • 5m communication cable (Model: CC-RS485-RS485-3.81-4P-500)
   • Base of MT11
3. MT11 (include the 10m communication cable)
   • Remote meter MT11
   • 10m communication cable (Model:CC-RS485-RS485-3.81-4P-1000)
   • Base of MT11
4. MT11(Do not include the communication cable)
   • Remote meter MT11
   • 1.5m communication cable (Model: CC-RS485-RS485-3.81-4P-150)
   • Do not include Base of MT11

NOTE: The user can purchase the product according to the requirement.

Installation

Base of MT11 (Optional accessory)

Mechanical parameter	Parameter
Overall dimension	114 x 114 x 44.41mm
Mounting dimension	88.6 x 88.6mm
Terminal	Φ5

Wall installation steps

• Step1: Locate and drill screw holes based on the Frame Mounting dimension of the base, and erect the plastic expansion bolts.
• Step2: Use four PA4.2×32 self-tapping screws to fix the Frame.
• Step3: Remove the decorative shell.
• Step4: Use four M4×8 pan head screws to mount MT11 Surface on the Frame.
• Step5: Install the decorative shell.
  

Surface mounting steps

• Step1: Locate and drill screw holes based on the installation size of the surface.
• Step2: Remove the decorative shell
• Step3: Use four M4×8 cross recessed pan head screws with M4 nuts to mount MT11 surface onto the panel.
• Step4: Install the decorative shell

NOTE: Take full consideration of the plugging/unplugging space of the communication cable and the length of the cable during installation to see if they are appropriate.

Product Features

Front View

LCD display screen
Man-machine interaction operation interface. Refer to the chapter 5 Display and Operation.
Buttons
The meter buttons include two function buttons and one switch button.

	Press the button	PV array parameters Storage battery parameters Browse the start battery parameters automatically (Auto)
	Press the button	Browse the PV array parameters Browse the Storage battery parameters Browse the start battery parameters
	Press the button and hold on 5s	Temperature units Battery type
	Press the button	The meter is powered ON
	Press the button and hold on 5s	The meter is powered OFF

Rear View

RS485 communication port
It is used to connect the controller which powers the MT11.

Communication cable’s models
CC-RS485-RS485-3.81-4P-150(Included)
CC-RS485-RS485-3.81-4P-1000(Optional)
CC-RS485-RS485-3.81-4P-2000(Optional)

Pins definition

PIN	Definition
1	DC5V
2	RS-485-B
3	RS-485-A
4	GND

Display and Operation

LCD Display

Icon	Instruction	Icon	Instruction
	BATT1 battery capacity level①0～12%		BATT2battery capacity level①0～12%
	BATT1battery capacity level①13%～35%		BATT2battery capacity level①13%～35%
	BATT1battery capacity level①36%～61%		BATT2battery capacity level①36%～61%
	BATT1battery capacity level①62%～86%		BATT2battery capacity level①62%～86%
	BATT1battery capacity level① 87%～100%		BATT2battery capacity level① 87%～100%
	Day		PV array
	Night		BATT1 charging icon
	Display the parameters of PV		BATT2 charging icon
	Display the parameters of BATT1		BATT1temperature parameters
	Display the parameters of BATT2	AES	AES signal icon
	Setting icon	Batt.Ty	Battery type icon
	Auto global view sign	min	Minimum voltage icon
	Fault Icon	max	Maximum voltage icon

1. Battery power capacity is calculated by the linear relationship between the disconnect voltage of low voltage and float charging voltage.

Auto Global View Mode

Operation:

• Step1: Press the button, Auto appears.
• Step2: Press the button, select the .
  

Echo Loop：PV voltage —PV current —PV power—Battery power—BATT1 voltage—BATT1 current—Max. BATT1 voltage—Min.BATT1 voltage—BATT1 temperature—BATT1 battery type—BATT2 voltage—BATT2 current—Max. BATT1 voltage—Min.BATT2 voltage—PV voltage

Temperature units

Operation:

• Step1: Press the  button under the battery temperature interface.
• Step2: Press the  button to select the temperature unit.
• Step3: Press the button to set successfully.

Clear the generated energy

Press the and button and hold on 5s to clear the generated energy.

Battery type

1. Operation:
   • Step1: Press the button and hold 5s under the battery type interface.
   • Step2: Press the button when the battery type interface is flashing.
   • Step3: Press the button to confirm the battery type.
2. Battery type
   

   SEL 1	BATT112V Sealed	SEL 2	BATT124V Sealed
   GEL 1	BATT112V Gel	GEL 2	BATT124V Gel
   FLd 1	BATT112V Flooded	FLd 2	BATT124V Flooded
   Li F4	LiFePO4(4S)	Li F8	LiFePO4(8S)
   Li C3	Li-NiCoMn (3S)	Li C6	Li-NiCoMn (6S)
   USE	User

CAUTION: The battery voltage is set as default and not changeable when selecting the default battery type. Please change to “User” battery type before adjusting the battery voltage.

CAUTION: Set the voltage of the “User” battery type via PC software only.

1. Lead-acid Battery Control Voltage Parameters
   The parameters are in the 12V system at 25 ºC. Please double the values in the 24V system.

   Voltage parameter\Battery type	Sealed	Gel	Flooded	User
   Over Voltage Disconnect Voltage	16.0V	16.0V	16.0V	9~17V
   Charging Limit Voltage	15.0V	15.0V	15.0V	9~17V
   Over Voltage Reconnect Voltage	15.0V	15.0V	15.0V	9~17V
   Equalize Charging Voltage	14.6V	— —	14.8V	9~17V
   Boost Charging Voltage	14.4V	14.2V	14.6V	9~17V
   Float Charging Voltage	13.8V	13.8V	13.8V	9~17V
   Boost Reconnect Charging Voltage	13.2V	13.2V	13.2V	9~17V
   Low Voltage Reconnect Voltage	12.6V	12.6V	12.6V	9~17V
   Under Voltage Warning Reconnect Voltage	12.2V	12.2V	12.2V	9~17V
   Under Volt. Warning Voltage	12.0V	12.0V	12.0V	9~17V
   Low Volt. Disconnect Voltage	11.1V	11.1V	11.1V	9~17V
   Discharging Limit Voltage	10.6V	10.6V	10.6V	9~17V
   Equalize Duration (min.)	120	— —	120	0~180
   Boost Duration (min.)	120	120	120	10~180

   NOTE:

   1. When the battery type is sealed, gel, flooded, the adjusting range of equalizing duration is 0 to180min, and boost duration is 10 to180min.
   2. The following rules must be observed when modifying the value of the parameter in user battery type (factory default value is the same as sealed type):
      1. A. Over Voltage Disconnect Voltage > Charging Limit Voltage ≥ Equalize Charging Voltage ≥ Boost Charging Voltage ≥ Float Charging Voltage > Boost Reconnect Charging Voltage.
      2. B. Over Voltage Disconnect Voltage > Over Voltage Reconnect Voltage
      3. C. Low Voltage Reconnect Voltage > Low Voltage Disconnect Voltage ≥ Discharging Limit Voltage.
      4. D. Under Voltage Warning Reconnect Voltage > Under Voltage Warning Voltage ≥ Discharging Limit Voltage.
         Boost Reconnect Charging voltage > Low Voltage Disconnect Voltage.
2. Lithium Battery Control Voltage Parameters The parameters are in the 12V system at 25 ºC; please double the values in the 24V system.
   

   Voltage parameter\Battery type	LiFePO4 (4S)	Li-NiCoMn (3S)	User
   Over Voltage Disconnect Voltage	15.6V	13.5V	9～17V
   Charging Limit Voltage	14.6V	12.6V	9～17V
   Over Voltage Reconnect Voltage	14.5V	12.5V	9～17V
   Equalize Charging Voltage	14.5V	12.5V	9～17V
   Boost Charging Voltage	14.5V	12.5V	9～17V
   Float Charging Voltage	13.8V	12.2V	9～17V
   Boost Reconnect Charging Voltage	13.2V	12.1V	9～17V
   Low Voltage Reconnect Voltage	12.4V	10.5V	9～17V
   Under Voltage Warning Reconnect Voltage	12.5V	11.0V	9～17V
   Under Volt. Warning Voltage	12.0V	10.5V	9～17V
   Low Volt. Disconnect Voltage	11.0V	9.3V	9～17V
   Discharging LimitVoltage	10.8V	9.3V	9～17V

The following rules must be observed when modifying the parameter values in User for the lithium battery. 

1. A.Over Voltage Disconnect Voltage>Over charging protection voltage(Protection Circuit Modules(BMS))+0.2V※;
2. B.Over Voltage Disconnect Voltage>Over Voltage Reconnect Voltage＝Charging Limit Voltage ≥ Equalize Charging Voltage＝Boost Charging Voltage ≥ Float Charging Voltage>Boost Reconnect Charging Voltage;
3. C.Low Voltage Reconnect Voltage>Low Voltage Disconnect Voltage ≥ Discharging Limit Voltage;
4. D.Under Voltage Warning Reconnect Voltage>Under Voltage Warning Voltage≥ Discharging Limit Voltage;
5. E.Boost Reconnect Charging voltage> Low Voltage Reconnect Voltage;
6. F.Low Voltage Disconnect Voltage ≥ Over-discharging protection voltage (BMS)+0.2V.

WARNING: The voltage parameters of the lithium battery can be set, but you must refer to the voltage parameters of lithium battery BMS.

WARNING: The required accuracy of BMS shall be at least 0.2V. If the deviation is higher than 0.2V, the manufacturer will assume no liability for any system malfunction caused by this.

Fault indication

Fault	Fault indicator	Charge indicator	LCD	Instruction
BATT2 over voltage	Red Fast flashing	_		Battery level shows full, battery frame blink, fault icon blink.
BATT2 over- discharged	_	_		Battery level shows empty, battery frame blink, fault icon blink.
BATT2 over temperature	Red Fast flashing	_		Battery level shows current capacity, battery frame blink, fault icon blink, the temperature icon blink.
BATT2 system erro T1 1	Red Fast flashing	Green Fast flashing		Battery level shows empty, battery frame blink.

Technical Specifications

Model	MT11
Apply to model	DRN series
Self-consumption(Power on)	13mA/5Vdc
Self-consumption(Power off)	4mA
Communication way	RS485
Communication port	3.81-4P
RS485 cable	CC-RS485-RS485-3.81-4P-150(1.5m) CC-RS485-RS485-3.81-4P-500(5m) CC-RS485- RS485-3.81-4P-1000(10m)
Environment temperature	-20℃～+70℃
Storage temperature range	-20℃～+70℃
Enclosure	IP20
Dimension	98.4×98.4mm
Base cover dimension	114×114mm
Weight	0.11kg

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www.solarv.de
info@solarv.de

Copyright © 2021 SolarV GmbH

 

Documents / Resources

solarV MT11 Remote Display Meter for the DuoRacer Solar Controller [pdf] Instruction Manual MT11, Remote Display Meter for the DuoRacer Solar Controller

References

• User Manual