Epever MT75 Manuale utente
Remote Meter
USER MANUAL
MT75
Contents
1. Safety Instructions................................................................1
2. Overview ..............................................................................2
3. Appearance ..........................................................................3
4. Accessories ..........................................................................4
5. Installation Instructions .........................................................5
6. Indicator Instruction ..............................................................7
7. Button Instruction..................................................................8
8. LCD Display .........................................................................9
9. Error Codes..........................................................................11
10. Specifications .....................................................................13
11. Dimension ..........................................................................15
12. Recommended Applications................................................16
12.1 Standard Application....................................................16
12.2 Upgrade Application ....................................................17
12.3 Advanced Application ..................................................18
12.4 Pro. Application ...........................................................20
1
1. Safety Instructions
Please keep this manual for future reference.
Please read this manual and safety information carefully before
using the product.
Keep the product away from rain, exposure, severe dust,
vibration, corrosion, and intense electromagnetic interference.
Please avoid water, and other liquids enter into the product.
There are no user serviceable parts inside the product. Do not
disassemble or attempt to repair it.
2
2. Overview
MT75 is a new generation of remote meter which can monitor the
EPEVER solar charge controller and inverter on one screen at the
same time. This product provides multiple solutions to fit different
requirements from off-grid users.
Features:
Dual RJ45 communication ports
4.7-inch LCD screen, real-time dynamic display of system data
Visually error codes, timely notification of warnings and faults
Load ON/OFF button to control the load output directly
Dry contact output and enable switch design
Remote control inverter ON or OFF
Friendly connect with different EPEVER devices
3
3. Appearance
❶
Decorative shell
❽
Battery parameter button
❷
PV indicator
❾
PV parameter button
❸
Battery indicator
❿
Base (optional)
❹
Load indicator
⓫
Dry contact interface①
❺
LCD
⓬
RS485 port 1(RJ45)
❻
Load ON/OFF button
⓭
RS485 port 2(RJ45)
❼
Load parameter
button
⓮
Dry contact
enable switch ①
4
①Working Principle:
Dry
contact
Dry contact
enable switch
+5V
GND
Dry contact
Interface
Dry contact rated value: 5A/30VDC; Max. value: 0.5A/60VDC
4. Accessories
Category
Name
Number/Model
Included
Accessories
2P-3.81 plug
2 pcs
RS485 cable
2 pcs/CC-RS485-RS485-
200U
Optional
Accessories
Base of MT75
1 pcs
RS485 cable
CC-RS485-RS485-
50/100/200/300/500/1000U
（0.5/1/2/3/5/10 meter）
Relay interface
cable
C-2P3.81-2P3.81-
50/100/200/300/500/1000U
（0.5/1/2/3/5/10 meter）
5
5. Installation Instructions
Before Installation
1. Check whether the ID of the solar controller is 1; if not, please set
it to 1.
2. Check whether the ID of the inverter is 3; if not, please set it to 3.
3. Wall installation or surface mounting installation is optional.
Wall Installation
Step 1: Locate and drill screw holes based on the frame mounting
dimension (175x50mm), and erect the plastic expansion bolts.
Step 2: Use four M5 self-tapping screws to fix the frame.
Step 3: Remove the decorative shell.
Step 4: Use two M4 pan head screws to mount the MT75 surface on
the base.
Step 5: Install the decorative shell.
6
Surface Mounting Installation
Step 1: Locate based on the installation size (176mm), and drill screw
holes (no smaller than 158.2x85mm).
Step 2: Remove the decorative shell.
Step 3: Use two M4 pan head screws to fix MT75.
Step 4: Install the decorative shell.
7
6. Indicator Instruction
Indicator
Color
Status
Instruction
Green
ON solid
PV is charging
Green
OFF
No PV charge
Green
Fast
flashing
PV over voltage
Green
ON solid
Battery normal
Green
Fast
flashing
Battery over voltage
Orange
ON solid
Battery under voltage
Red
ON solid
Battery over discharge
Red
Slow
flashing
Battery over temperature
Battery under temperature
Controller over temperature
Green
ON solid
Load switch ON
Green
OFF
Load switch OFF
Green
Fast
flashing
System voltage error
Orange
Fast
flashing
8
7. Button Instruction
Button
Operation
Instruction
Click
Display PV parameters in cycle
Click
Display battery parameter in cycle
Click
Display load parameter in cycle
Exit the fault page
Press for 5S
Check error code information
Click
Control the switch of solar controller
and inverter in sync①
Press for 5S
Clear the total of PV generated power,
total DC load usage, and total AC load
usage
①When the output of the solar controller and inverter is out of sync, click to turn
off all the loads' output at the same time, click again to turn on all the load
outputs.
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