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HT-MPPT Solar Charge Controller
48V 40A 50A 60A Series
User’s Manual
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Contents
1 Notes on this Manual ......................................................................... 3
2 Safety Instructions ............................................................................. 4
3 Unpacking .......................................................................................... 6
4 Assembly ...........................................................................................6
5 MPPT controller Connection ..............................................................7
6 Commissioning...................................................................................9
7 Meaning of LED and LCD function...................................................10
8 Technical Parameter............................................................................13
9 Maintenance and Cleaning.................................................................14
10 Storage and waste disposal..................................................................15
11 Recovery Processing and Warranty.....................................................15
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1. Notes on this Manual
This manual describes how to install and service MPPT solar charge controller.
1.1 Validity
This manual applies to the whole MPPT solar charge controller models produce by
our company:
1.2 Target Group
This manual is intended for the installer and the operator.
1.3 All manuals for the device and installed components must be stored in the
immediate vicinity of the charge controller and must be accessible at all times.
1.4 Symbols Used
The following types of safety messages and general information appear in this
document:
Warning!
WARNING indicates a hazardous situation which, if not avoided, could
result in machine stoppage or serious injury.
Warning!
WARNING indicates a hazardous situation which, if not avoided, could
result in machine stoppage or serious injury.
Note!
In order to operate this device well, please read the operation
instruction carefully.
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2. Safety Instructions
2.1 General Safety Instructions
2.2 Explanation of Symbols
Below is the explanation for all the symbols shown on the device and label.
Symbol Explanation
Risk of electric shock
Energy stored in capacitors will remain alive for 5 minutes; don’t touch within
the period after disconnection
Both the sides have circuit lines, disconnect both and don’t operate within 5
minutes after disconnection
No self-serviceable parts inside the enclosure, don’t attempt to remove the cover.
Only qualified persons are permitted to operate and maintain the equipment.
Only insulated tools are permitted to use to reduce risks of hazard to individuals.
Beware of hot surface.
The solar charge controller can become hot during operation. Avoid contact
during operation. And never put any goods onto the equipment under load.
Warning!
Due to high input working voltage, please be cautious, otherwise it is
danger to life.
• All work on the charge controller must only be carried out by an electrically
skilled person.
•The appliance is not to be used by children or persons with reduced physical
sensory or mental capabilities, or lack of experience and knowledge, unless
they have been given supervision or instruction.
•Children should be supervised to ensure that they do not play with the
appliance.
Caution!
Be careful for high temperature enclosure parts.
• Do not touch the enclosure of the charge controller during operation.
Please settle it on the cooling ventilation environment.
Caution!
Radiation is harmful for health.
•Do not stay closer less than 20 cm around the solar charge controller for a
long time.
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● Symbols on the Type Label
Symbol Explanation
CE FCC CB ROHS mark；
The device complies with the requirements of the applicable CE FCC CB ROHS
guidelines.
●Important Safety Instructions
When using the product, please do remember the below information to avoid the fire,
lightning or other personal injury:
Warning!
Ensure input DC voltage no more than Max. DC voltage .Over voltage may
cause permanent damage to solar charge controller or other losses, which will
not be included in warranty! This chapter contains important safety and
operating instructions. Read and keep this operation guide for future reference.
Warning!
Authorized service personnel must disconnect both DC and battery bank power
from the solar charge controller before attempting any maintenance or cleaning
or working on any circuits connected to the solar charge controller.
● Before using the solar charge controller, please read all instructions and cautionary
markings on the solar charge controller, and all corresponding sections of this
guide.
● Please use components and parts recommended or sold by I-Panda New Energy.
Otherwise may result in a risk of fire, electric shock, or injury to person.
● To avoid a risk of fire and electric shock, make sure that existing wiring is in good
condition and that wire is not undersized. Do not operate the solar charge controller
with damaged or substandard wiring.
● Do not disassemble the solar charge controller. It contains no user-serviceable parts.
See Warranty for instructions on obtaining service. Attempting to repair the solar
charge controller by yourself may result in a risk of electric shock or fire and will
make your warranty invalid.
● To reduce the risk of electric shock, authorized service personnel must use
insulating tool to operate the device.
● Keep away from flammable, explosive materials to avoid fire disaster.
● The installation place should be away from humid or corrosive substance.
● To reduce the chance of short-circuits, authorized service personnel must use
insulated tools when installing or working with this equipment.
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3. Unpacking
3.1 Device parts checking：
Object Quantity Description
A 1 unit Charge controller
B 2 pc Gallow pulley
C 4 set screw
D 2 pc joint
E 1 pc Temp sense
F 1 pc User manual
If there is any part missing, please contact your dealer.
3.2 Check for Transport Damage
Check the charge controller for visible external damage, such as cracks in the
enclosure. Contact your dealer if you find any damage.
3.3 Identifying the Charge Controller
You can identify the charge controller by the type label. The type label is in the
enclosure.
4. Assembly
4.1 Operator：technical personnel;
4.2 Selecting the Mounting Location
4.2.1 Dimensions
L * W * H：280mm*180mm*90mm
4.2.2 Net Weight
Weight：2.8kg
4.2.3 Ambient Conditions
Danger:
Danger to life due to fire or explosion.
The charge controller enclosure can become hot during operation.
• Do not mount the charge controller on flammable construction material.
• Do not mount the charge controller near highly flammable materials.
• Do not mount the charge controller in potentially explosive areas.
• Do not expose the charge controller to direct sunlight to avoid power
loss due to overheating.
Caution:
Danger of burn injuries due to hot enclosure parts.
• Mount the charge controller in such a way that it cannot be touched
inadvertently during operation.
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• The mounting location and method must be suitable for the weight and dimensions.
• Mount on a solid surface.
• The mounting location must be accessible at all times.
• The charge controller must be easy to remove from the mounting location at any
time.
• The ambient temperature should be between -20 °C and +60 °C to guarantee optimal
operation.
• Do not expose the charge controller to direct sunlight to avoid power losses due to
overheating.
4.2.4 Safety Clearance
Observe the following safety clearance to wall, other devices or objects to ensure
sufficient heat dissipation.
Direction Safety clearance
Sides 20cm
Top 30cm
Bottom 20cm
5. MPPT controller Connection
5.1 Safety
5.2 Connections of the PV power system
Danger!
Danger to life due to high voltage in the solar charge controller.
• Disconnect the PV array using a disconnection unit and secure it against
accidental reactivation.
• Disconnect the circuit breaker and ensure that it cannot be reconnected.
• Ensure that no voltage is present in the system.
Warning:
Risk of injury due to electric shock。
If all cables with different voltages are routed in parallel, damaged cable
insulations may lead to a short circuit.
• Route all cables separately.
Warning:
Over voltage can destroy the system.
• Use an external over voltage protector in areas with an increased risk of
thunderstorm and lightning.
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●PV String
Solar charge controller device can be connected in series into 1-strings PV modules.
Please select PV modules with excellent function and reliable quality. Open-circuit
voltage of module arrays connected in series should be less than Max. DC input
Voltage (145V); operating voltage should be conformed to MPPT voltage range.
Please use PV cable to connect modules to device. From junction box to device,
voltage drop is about 1-2%. So we suggest the solar charge controller install near PV
module, in order to save wire and reduce DC loss.
● DC Output
Solar charge controller is designed for battery charging.
Table 4 Cable and Micro-breaker Requirement
Model I-P-MSC
40A
I-P-MSC
50A
I-P-MSC
60A
Cable (Cu) ≥4mm ≥4mm ≥4mm
Micro-Breaker 63 A 63 A 63A
Micro-breaker should be installed between DC output and battery. Moreover,
micro-breaker should be installed between PV and device.
Note:
Please don’t connect the PV panel positive or negative to ground.
Warning:
PV module voltage is very high which belongs to dangerous
voltage
range, please comply with electric safety rules when
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Connections of break
5.3 Correct connections between joint and solar charge controller
6. Commissioning
6.1 Check the following requirements before commissioning:
All DC cables completely connected (PV strings and batteries)
6.2 Commissioning Procedure
1. Check the polarity of the battery and the PV array.
2. Close the solar charge controller. Fasten the lid to the enclosure using eight screws.
3. Connect the cables leading from the solar charge controller to the battery.
4. Switch on the circuit breaker and the disconnection unit.
5.Then turn on the controller and solar panel circuit breaker ;
6.Then controller began to enter the self-test mode ; system conditions are correct ,
the controller automatically enter the working mode ; otherwise into the error mode ;
7.The battery type can be selected in any mode, please take the following information
for reference ( Reference 7 LED and LCD indicator Description ).
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7. Meaning of the LED (Light Emitting Diodes) and LCD function
7.1 Panel Description
7.2 LED information
ALARM (Red）------ Fault light ( red)
POWER(Blue) ------ Charging lamp (blue )
STANDBY(Green)---- Power light ( green)
FUNCTION KEY----- function key
LED information
Condition Alarm（Red） Power(Blue) Standby(Green)
Power on off off on
Charge off on on
Fault on off on
Bat Chose
Type
off off off
In voltage constant working mode, power led will turn blue once per second
In current constant working mode, power led will blink blue per 3 second.
In float constant working mode, power led will always turn blue.
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7.3 LCD explanation
7.3.1 The controller has the three -state normal mode:
Operating
State
Information Display Description
1
Checking
Check the system parameters , and
compliance ;
2 Fault Mode Charge cut down
3
Normal state
charging
7.3.2 Information of LCD in different mode
MPPT
Information of LCD in different mode
Model 1
Display
Boot Mode
1 mode\website
2 BAT checking
3 PV volt checking
4 In volsen checking
5 Out volsen checking
Remarks：Shown above automatically next page , according to system conditions, and
then enter the normal operating mode or failure mode ;
Model 2
Display
Normal Mode
1 Display Model
2 Firmware Ver
3 Machine ID
4 BAT Type
5 Chg Cur
6 BAT volt
7 Opt Power
8 PV volt
9 In Temp
10 Buck 1 Temp
11 CC Mode charging
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Remarks：On this mode, shown the next page after each pressing of function key; when
error occurred, enter the failure mode automatically.
Model 3
Display
Fault Mode
1 BAT CHG SYS
2 Firmware Ver
3 Machine ID
4 BAT Type
5
Fault Mode
（
See the fault type table）
6 Chg Cur
7 Bat volt
8 Opt Power
9 PV volt
10 Buck 1 Temp
Remarks: On this mode, shown the next page after each pressing of function key; when
error removed, enter the other mode ;
Error mode
Error code Description
PV Volt High over voltage at DC input voltage
PV Volt Low DC input voltage low (also at night and
during periods with low solar
irradiation)
In Relay Fault Input relay interrupted
Out Volt Low battery voltage is lower than 9 V
Out Volt High short circuit, overload or over current at
battery or PV array (also before first
commissioning)
Out Cur Over Over current at Output current
Out Relay Fault Output relay interrupted
Output Short short circuit in the sensor cable
BAT Polar Error Battery polar connect error
BAT Volt Error Battery is not standard
Buck1 Fault Buck1 circuit interrupted
Buck2 Fault Buck2 circuit interrupted
Bat Temp High Battery temperature too high
Enir Temp High Environment temperature too high
Buck Temp High charge controller temperature is higher
than 90 °C
Pv Vol Sensor Fail PV voltage sensor interrupted
Bus Sensor Fail Bus voltage senor interrupted
Buck Sensor Fail Buck voltage sensor fault
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Out Vol Sensor Fail Output voltage sensor fault
Out Cur Sensor Fail Output current senor interrupted
Battery Off Battery cable interrupted
7.4 Chosen for battery
When battery unselected, the default one is Gel battery for charging.
7.4.1 Function key
Types of battery can be set by function key.
Step 1:
Press the function key for 3 seconds, then LCD will display types of battery.
Step 2:
Press the key to choose the type of the battery which you need. When you press the function key
once, LCD will display one type of battery.
Step 3:
After choosing the matched battery, you need press the function key for 3 seconds to set types of
battery.
8. Technical Parameter
Model HT-MPPT-48V 30A
HT-MPPT-48V
40A
HT-MPPT-192V 50A HT-MPPT-192V 60A
Rated system voltage
48VDC
Rated charging current
30A 40A 50A 60A
Output capacity
1620W 2160W 2700W 3240W
PV open circuit voltage
input range
57V~145V
max power point voltage
range
60V~119V
Note!
Notice: all of operation must be in standby mode (disconnect to battery)
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9. Maintenance and Cleaning
9.1 Replacing the Thermal Fuses
Using incorrect thermal fuses may irreparably damage the solar charge controller.
• Only use the thermal fuses included in the scope of delivery
1. Open the solar charge controller as described in section "Opening the solar charge
controller"
2. Remove the broken thermal fuses from the sockets (A and B).
3. Insert new thermal fuses (included in the scope of delivery).
4. Close the solar charge controller as described in section "Closing the solar charge
controller".
9.2 Cleaning the Cooling Fin
Recommend PV open
circuit Voltage
135V±10V
Efficiency
≥98%
Empty loss
≤3W
Temperature
compensation algorithm
-2mV/ /2V℃
Temp sense
Battery temp sense
ambient working
temperature range
-25℃～+55℃
Storage temp. Range -35℃～+80℃
Altitude ≤4500m（2000m above the need to reduce power use）
relative humidity ≤95%，no condensation
IP level
IP30
Measurement WxDxH
180*90*280mm
Installation
MC4 input, and ADS for battery
N.G（kg）
2.5 2.6 3.1 3.6
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Clean the Fan air vents and internal cooling fin regularly by using the dry or small wet
cloth to wipe.
Attention:
• Liquid detergent or corrosive solvent cleaning are forbidden.
• Liquid is not allowed to down in the device.
• Make the air vent open.
•Carefully remove dirt with a suitable soft brush.
10. Storage and waste disposal.
10.1 Store the charge controller in a dry place with ambient temperatures between
-40 °C and +75 °C.
10.2 Disposal
Dispose of the solar charge controller at the end of its service life in accordance with
the disposal regulations for electronic waste which apply at the installation site at that
time.
11、Recovery Processing and Warranty
11.1 Recovery Processing
When the controller abnormal, please check the following question and contact the
customer service representative.
11.1.1 Controller failure mode：
Please check the fault tips in the failure mode, and then proceed to the appropriate
troubleshooting;
11.1.2 When the controller does not start properly:
1. Check the controller external solar panels with the correct polarity.
2. Check Battery Connection;
3. Check Battery;
4. Check circuit breaker;
5. Check internal fuse;
If the problem persists , please contact the customer service；
Please offer the following information：Equipment information: Model, Order No.,
serial-number(Stickers on the rear plate); Detailed description of the problem
(Type of system, occasionally/frequent problems, indicator light, data display, and so
on ).
11.2 Warranty
Within the warranty period, it is free to repair for the non-human fault. Otherwise,
should charge the cost of repairs.
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