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GD100-1R5G-SS2-PV
Operation Manual
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INVT GD100-0R4G-S2-PV, GD100-0R7G-SS2-PV, GD100-2R2G-SS2-PV, GD100-1R5G-SS2-PV, GD100-0R7G-S2-PV Operation Manual

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Solar Pumping Inver ter
Goodrive100-PV Series
Goodrive100-PV series solar pumping inverters Contents
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Contents
1.1 Safety definition ............................................................................................................. 3
1.2 Warning symbols ........................................................................................................... 3
1.3 Safety guidelines ........................................................................................................... 4
2.1 Unpacking inspection .................................................................................................... 6
2.2 Name plate .................................................................................................................... 6
2.3 Type designation key ..................................................................................................... 6
2.4 Product specifications .................................................................................................... 7
2.5 Rated specifications ...................................................................................................... 8
3.1 Mechanical installation .................................................................................................. 9
3.2 Standard wiring ............................................................................................................ 11
4.1 Keypad introduction ..................................................................................................... 16
4.2 Keypad displaying ....................................................................................................... 18
4.3 Keypad operation ........................................................................................................ 20
5.1 Inspection before operation ......................................................................................... 22
5.2 Trial run ........................................................................................................................ 22
5.3 Parameter settings ...................................................................................................... 22
5.4 Advanced settings ....................................................................................................... 22
6.1 Common function parameters for solar pumping inverter control ............................... 24
6.2 Parameters of special functions .................................................................................. 43
A.1 Boost module .............................................................................................................. 66
A.2 GPRS module and monitoring APP ............................................................................ 67
A.3 Cables ......................................................................................................................... 68
Goodrive100-PV series solar pumping inverters Contents
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A.4 Reactors ...................................................................................................................... 69
A.5 Filters........................................................................................................................... 70
B.1 Recommended configuration for solar pumping inverters .......................................... 71
B.2 Recommended configuration for inverters with the boost module .............................. 72
C.1 Solution introduction ................................................................................................... 73
C.2 IP54 protection-level inverters .................................................................................... 76
C.3 Wiring terminals .......................................................................................................... 77
C.4 Parameter setting method ........................................................................................... 78
D.1 External keypad structure ........................................................................................... 79
D.2 Dimensions of 0.4-2.2kW models ............................................................................... 80
D.3 Dimensions of 4-37kW models ................................................................................... 82
Goodrive100-PV series solar pumping inverters Safety precautions
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1 Safety precautions
Please read this manual carefully and follow all safety precautions before moving, installing, operating and servicing the inverter. If ignored, physical injury or death may occur, or damage may occur to the devices.
If any physical injury or death or damage to the devices occurs for ignoring to the safety precautions in the manual, our company will not be responsible for any damages and we are not legally bound in any manner.
1.1 Safety definition
Danger:
Serious physical injury or even death may occur if not follow relevant requirements
Warning:
Physical injury or damage to the devices may occur if not follow relevant requirements
Note:
Physical hurt may occur if not follow relevant requirements
Qualified electricians:
People working on the device should take part in professional electrical and safety training, receive the certification and be familiar with all steps and requirements of installing, commissioning, operating and maintaining the device to avoid any emergency.
1.2 Warning symbols
Warnings caution you about conditions which can result in serious injury or death and/or damage to the equipment, and advice on how to avoid the danger. Following warning symbols are used in this manual:
Symbols
Name
Instruction
Abbreviation
Danger
Danger
Serious physical injury or even death may occur if not follow the relative requirements
Warning
Warning
Physical injury or damage to the devices may occur if not follow the relative requirements
Do not
Electrostatic
discharge
Damage to the PCBA board may occur if not follow the relative requirements
Hot sides
Hot sides
Sides of the device may become hot. Do not touch.
Note
Note
Physical hurt may occur if not follow the relative requirements
Note
Goodrive100-PV series solar pumping inverters Safety precautions
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1.3 Safety guidelines
Only qualified electricians are allowed to operate on the inverter. Do not carry out any wiring and inspection or changing components when
the power supply is applied. Ensure all input power supply is disconnected before wiring and checking and always wait for at least the time designated on the inverter or until the DC bus voltage is less than 36V. Below is the table of the waiting time:
Inverter model
Minimum waiting time
1PH 220V
0.4kW-2.2kW
5 minutes
3PH 220V
4kW-7.5kW
5 minutes
3PH 380V
0.75kW-37kW
5 minutes
Do not refit the inverter unauthorized; otherwise fire, electric shock or other
injury may occur.
The base of the radiator may become hot during running. Do not touch to
avoid hurt.
The electrical parts and components inside the inverter are electrostatic.
Take measurements to avoid electrostatic discharge during relevant operation.
1.3.1 Delivery and installation
Please install the inverter on fire-retardant material and keep the inverter
away from combustible materials.
Do not operate on the inverter if there is any damage or components loss
to the inverter.
Do not touch the inverter with wet items or body, otherwise electric shock
may occur.
Note:
Select appropriate moving and installing tools to ensure a safe and normal running of
the inverter and avoid physical injury or death. For physical safety, the erector should take some mechanical protective measurements, such as wearing safety shoes and working uniforms.
Do not carry the inverter by its cover. The cover may fall off.  Ensure to avoid physical shock or vibration during delivery and installation.  Install away from children and other public places.  The inverter cannot meet the requirements of low voltage protection in IEC61800-5-1 if
the altitude of installation site is above 2000m.
The leakage current of the inverter may be above 3.5mA during operation. Ground with
proper techniques and ensure the grounding resistor is less than 10Ω. The conductivity of PE grounding conductor is the same as that of the phase conductor (with the same cross sectional area).
Goodrive100-PV series solar pumping inverters Safety precautions
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(+) and (-) are DC power supply input terminals. R, S and T (L,N) are AC power supply
input terminals. U, V and W are output terminals. Please connect the input power cables and motor cables with proper techniques; otherwise the damage to the inverter may occur.
1.3.2 Commissioning and running
Disconnect all power supplies applied to the inverter before the terminal
wiring and wait for at least the designated time after disconnecting the power supply.
High voltage is present inside the inverter during running. Do not carry out
any operation except for the keypad setting.
The inverter cannot be used as “Emergency-stop device”.
If the inverter is used to break the motor suddenly, a mechanical braking device should be provided.
Note:
Do not switch on or off the input power supply of the inverter frequently.  For inverters that have been stored for a long time, check and fix the capacitance and
try to run it again before utilization.
Cover the front board before running, otherwise electric shock may occur.
1.3.3 Maintenance and replacement of components
Only qualified electricians are allowed to perform the maintenance,
inspection, and components replacement of the inverter.
Disconnect all power supplies to the inverter before the terminal wiring.
Wait for at least the time designated on the inverter after disconnection.
Take measures to avoid screws, cables and other conductive matters to
fall into the inverter during maintenance and component replacement.
Note:
Please select proper torque to tighten screws.  Keep the inverter, parts and components away from combustible materials during
maintenance and component replacement.
Do not carry out any isolation and pressure test on the inverter and do not measure the
control circuit of the inverter by megameter.
1.3.4 What to do after scrapping
There are heavy metals in the inverter. Deal with it as industrial
effluent.
Goodrive100-PV series solar pumping inverters Product overview
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2 Product overview
2.1 Unpacking inspection
Check as follows after receiving products:
1. Check that there are no damage and humidification to the package. If not, please contact with local agents or INVT offices.
2. Check the information on the type designation label on the outside of the package to verify that the drive is of the correct type. If not, please contact with local dealers or INVT offices.
3. Check that there are no signs of water in the package and no signs of damage or breach to the inverter. If not, please contact with local dealers or INVT offices.
4. Check the information on the type designation label on the outside of the package to verify that the name plate is of the correct type. If not, please contact with local dealers or INVT offices.
5. Check to ensure the accessories (including user’s manual and control keypad) inside the device is complete. If not, please contact with local dealers or INVT offices.
2.2 Name plate
Figure 2-1 Name plate Note: This is the example of Goodrive100-PV standard products and the CE\TUV\IP20 certifications are marked according to the reality.
2.3 Type designation key
The type designation contains information on the inverter. The user can find the type designation on the type designation label attached to the inverter or the simple name plate.
GD100 – 5R5G – 4 5 – PV
① ② ③④ ⑤
Goodrive100-PV series solar pumping inverters Product overview
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Key
Sign
Description
Remarks
Product
abbreviation
①
Product
abbreviation
GD100 is short for Goodrive100.
Rated power
②
Power range
+ Load type
5R5G—5.5kW G—Constant torque load
Voltage
degree
③
Voltage
degree
4: AC 3PH 380V(-15%)~440(+10%) 2: AC 3PH 220V(-15%)~240(+10%) S2: AC 1PH 220V(-15%)~240(+10%) SS2: AC 1PH input/output 220V(-15%)~ 240(+10%)
Protection
level
④
Protection
level
Protection level. 5—IP54 The protection level of a standard inverter is IP20, but this field is not displayed.
Industrial
code
⑤
Industrial
code
PV stands for solar pumping.
2.4 Product specifications
Model
-SS2
-S2
-2
-4
AC input voltage (V)
220(-15%)~240(+10%)
(1PH)
220(-15%)~240
(+10%) (3PH)
380(-15%)~440
(+10%) (3PH)
Max. DC voltage (V)
440
440
440
800
Start-up voltage (V)
200
200
200
300
Lowest working
voltage (V)
150
150
150
250
Recommended DC
input voltage range
(V)
200~400
200~400
200~400
300~750
Recommended MPP
voltage (V)
330
330
330
550
Goodrive100-PV series solar pumping inverters Product overview
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2.5 Rated specifications
Series
Model
Rated output
power (Kw)
Rated input
current (A)
Rated output
current (A)
-SS2
(0.4-2.2 Kw)
GD100-0R4G-SS2-PV
0.4
6.5
4.2
GD100-0R7G-SS2-PV
0.75
9.3
7.2
GD100-1R5G-SS2-PV
1.5
15.7
10.2
GD100-2R2G-SS2-PV
2.2
24
14
-S2
(0.4-2.2 kW)
GD100-0R4G-S2-PV
0.4
6.5
2.5
GD100-0R7G-S2-PV
0.75
9.3
4.2
GD100-1R5G-S2-PV
1.5
15.7
7.5
GD100-2R2G-S2-PV
2.2
24
10
-2
(4-7.5kW)
GD100-004G-2-PV
4
17
16
GD100-5R5G-2-PV
5.5
25
20
GD100-7R5G-2-PV
7.5
33
30
-4
(0.75-110kW)
GD100-0R7G-4-PV
0.75
3.4
2.5
GD100-1R5G-4-PV
1.5
5.0
4.2
GD100-2R2G-4-PV
2.2
5.8
5.5
GD100-004G-4-PV
4.0
13.5
9.5
GD100-5R5G-4-PV
5.5
19.5
14
GD100-7R5G-4-PV
7.5
25
18.5
GD100-011G-4-PV
11
32
25
GD100-015G-4-PV
15
40
32
GD100-018G-4-PV
18.5
47
38
GD100-022G-4-PV
22
51
45
GD100-030G-4-PV
30
70
60
GD100-037G-4-PV
37
80
75
GD100-045G-4-PV
45
94
92
GD100-055G-4-PV
55
128
115
GD100-075G-4-PV
75
160
150
GD100-090G-4-PV
90
190
180
GD100-110G-4-PV
110
225
215
Note: If you need the inverters >37kW, contact INVT for customization.
Goodrive100-PV series solar pumping inverters Installation guidelines
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3 Installation guidelines
The chapter describes the mechanical installation and electric installation.
Only qualified electricians are allowed to carry out what described in this
chapter. Please operate as the instructions in Safety precautions. Ignoring these may cause physical injury or death or damage to the devices.
Ensure the power supply of the inverter is disconnected during the
operation. Wait for at least the time designated after the disconnection if the power supply is applied.
The installation and design of the inverter should be complied with the
requirement of the local laws and regulations in the installation site. If the installation infringes the requirement, our company will exempt from any responsibility. Additionally, if users do not comply with the suggestion, some damage beyond the assured maintenance range may occur.
3.1 Mechanical installation
3.1.1 Installation environment
The installation environment is the safeguard for a full performance and long-term stable functions of the inverter. Check the installation environment as follows:
Environment
Conditions
Installation site
Indoor
Environment
temperature
The ambient temperature of inverter is -10℃~50℃ while air temperature change should be less than 0.5℃ per minute. The inverter will be derated once ambient temperature exceeds 40℃. It is not recommended to use the inverter if ambient temperature is above 50℃. To ensure reliability, do not use the inverter if the ambient temperature changes frequently. Provide cooling fan or air conditioner to control the internal ambient temperature below the required one if the inverter is used in a close space such as in the control cabinet. When the temperature is too low, if the inverter needs to restart to run after a long stop, it is necessary to provide an external heating device to increase the internal temperature, otherwise damage to the devices may occur.
Humidity
RH≤90%. No condensation is allowed.
Storage
temperature
-40°C~+70°C. The temperature change rate is less than 1°C/minute.
Goodrive100-PV series solar pumping inverters Installation guidelines
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Environment
Conditions
Running
environment
condition
The installation site of the inverter should: keep away from the electromagnetic radiation source; keep away from contaminative air, such as corrosive gas, oil mist and flammable gas; ensure foreign objects, such as metal power, dust, oil, water cannot enter into the inverter(do not install the inverter on the flammable materials such as wood); keep away from direct sunlight, oil mist, steam and vibration environment.
Altitude
Below 1000m If the altitude is above 1000m, please derate 1% for every additional 100m.
Vibration
≤ 5.8m/s
2
(0.6g)
Installation
direction
The inverter should be installed on an upright position to ensure sufficient cooling effect.
Note:
Goodrive100-PV series inverters should be installed in a clean and ventilated
environment according to enclosure classification.
Cooling air must be clean, free from corrosive materials and electrically conductive dust.
3.1.2 Installation direction
The inverter may be installed on the wall or in a cabinet. The inverter needs be installed in the vertical position. Check the installation site according to the requirements below. See Appendix D Dimension drawings for frame details.
3.1.3 Installation manner
(1) The inverters ≤ 2.2kW support wall mounting and rail mounting.
a) Wall mounting b) Rail mounting
Figure 3-1 Installation manners
Goodrive100-PV series solar pumping inverters Installation guidelines
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Note: The minimum space of A and B is 100mm. H is 36.6mm and W is 35.0mm. (2) The inverters ≥ 4kW support wall mounting and flange mounting.
Figure 3-2 installation manners
1) Mark the locations of installation holes. For details about the holes, see the inverter dimension diagram in the appendix.
2) Fix the screws or bolts into the marked locations.
3) Lean the inverter against the wall.
4) Fasten the tightening screws on the wall.
3.2 Standard wiring
3.2.1 Terminals of main circuit
The figure below shows the standard wiring of inverter.
Wall mounting
Flange installation
Goodrive100-PV series solar pumping inverters Installation guidelines
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Well
S2
S3
COM
GD100-PV
inverter
High water level switch
Low water level
switch
Common
terminal
Water
tower
S1
S4
COM
Forced switch to
mains
Single/two phase algorithm shifting
Common
terminal
(+) (-)
Q1
PV input
U V W
Water
pump
Figure 3-3 Standard wiring diagram
The DC breaker Q1 must be installed as the protection switch for PV input. In parallel connection, the combination box special for PV must be used. When the distance between the PV input component and inverter exceeds
10 meters, type-II surge protection devices must be configured at the DC side.
When the distance between the pump and inverter exceeds 50 meters, it is
recommended to configure output reactors. See appendix A.4 for the output reactor model selection.
The inverter automatically runs after being powered on. If parameters need
to be set, follow the parameter setting instructions in chapter 5.
Before connecting the braking resistor cable, remove the yellow labels of
PB, (+), and (-) from the terminal blocks. Otherwise, poor connection may occur.
Goodrive100-PV series solar pumping inverters Installation guidelines
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Terminals of main circuit
Terminal
Name
Function
R, S, T
(L, N)
AC input
3PH (1PH) AC input terminals, connected to the grid Note: Use the screws equipped with the inverter for wiring.
(+), (-)
PV input
Solar cell panel input terminals
U, V, W
Inverter
output
3PH/1PH AC output terminals, connected to the pump motor
Note: 1PH motors must connect to terminals U and W.
Safety
grounding
Safety protection grounding terminal. Each inverter must be grounded
Description for -SS2 single-phase output models
1) Generally, the output terminals U and W of the inverter connect to the phase cables of the single-phase motor.
2) If the single-phase pump cannot be started, the two-phase control method must be used, and the start-up and running capacitors (if any) of the motor must be removed. The figure below shows the internal wiring of the common single-phase motor. In the figure, L1, L2, C1, and C2 indicate the running winding, start-up winding, running capacitor, and start-up capacitor. When the motor speed exceeds 75% of the rated speed, the start-up capacitor is switched off.
U1
U2
V2
V1
L
N
L1
L2
C1
C2
Internal wiring of the single-phase motor winding after removing the starting and running capacitor:
Goodrive100-PV series solar pumping inverters Installation guidelines
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U1
U2
V2
V1
L1
L2
C1
C2
W
U
V
U1
U2
V2
V1
L1
L2
U1 and V1 are the common terminals of the windings. Connect them to the output terminal W of the solar pumping inverter. Connect U2 to the output terminal U of the inverter. Connect V2 to the output terminal V of the inverter. (Note: Use the screws equipped with the inverter.) Connect S4 of the inverter to COM in short circuited manner.
3.2.2 Terminals of control circuit
Functions of control terminals
Category
Terminal
symbol
Terminal name
Terminal function
Power supply
24V
24V power supply
It provides the power of 24V±10% and maximum current of 200mA. It functions as the working power supply of digital input and output or externally connects to the sensor power supply.
COM
Common terminal
Digital input
S1
Forced switch to
mains
Terminal feature parameters:
1. Internal impedance: 3.3kΩ
2. Acceptable voltage input: 12~24V
3. Maximum input frequency: 1kHz S1: Forcible switch to mains (Switching-on indicates switching to mains, and switching-off indicates input controlled by the
S2
Full-water alarm
S3
Empty-water
alarm
S4
Single/two phase
algorithm
Goodrive100-PV series solar pumping inverters Installation guidelines
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Category
Terminal
symbol
Terminal name
Terminal function
switching
keypad.) S2: It connects to the high-water switch of the normally open contact by default. S3: It connects to the low-water switch of the normally closed contact. S4: A high electrical level corresponds to the single-phase algorithm. A low electrical level corresponds to the two-phase algorithm.
Communication
RS485+
RS485-
485
communication
485 communication terminals, using the ModBus protocol
422TX+
422TX-
422RX+
422RX-
422
communication
Communication terminals special for the boost module.
Relay output
RO1A (ROA)
Normally open
contact of relay 1
1. Contact capacity: 3A/AC250V, 1A/DC30V
2. They cannot be used for high frequency switch output. During the application of auto mains & PV switching, the AC input contactor coil is controlled by the normally closed contact of the relay.
RO1B (ROB)
Normally closed
contact of relay 1
RO1C
(ROC)
Common terminal
of relay 1
Goodrive100-PV series solar pumping inverters Keypad operation procedure
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4 Keypad operation procedure
4.1 Keypad introduction
Keypads are used to control GD100-PV series inverters, read the state data and adjust parameters. If external keypads are needed, select keypad extension wires.
Figure 4-1 Keypad diagram for inverters ≤ 2.2kW
Figure 4-2 Keypad diagram for inverters ≥ 4kW
Note: External keypads can be configured for inverters ≤ 2.2kW. The keypads of inverters ≥ 4kW can be used as external keypads.
Serial
No.
Name
Description
1
State
LED
RUN/TUNE
LED off means that the inverter is in the stopping state; LED blinking means the inverter is in the parameter autotune state;
Goodrive100-PV series solar pumping inverters Keypad operation procedure
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Serial
No.
Name
Description
LED on means the inverter is in the running state.
FWD/REV
FED/REV LED LED off means the inverter is in the forward rotation state; LED on means the inverter is in the reverse rotation state.
LOCAL/REMOT
LED for keypad operation, terminals operation and remote communication control
LED off means that the inverter is in the keypad operation state; LED blinking means the inverter is in the terminals operation state; LED on means the inverter is in the remote communication control state.
TRIP
LED for faults LED on when the inverter is in the fault state; LED off in normal state; LED blinking means the inverter is in the pre-alarm state.
2
Unit
LED
Mean the unit displayed currently
/
Hz
Frequency unit
RPM
Rotating speed unit
A
Current unit
％
Percentage
V
Voltage unit
3
Display
zone
5-figure LED display displays various monitoring data and alarm code such as set frequency and output frequency.
Display
Mean
Display
Mean
Display
Mean
Display
Mean
0 1 2 3 4 5 6
7
8 9 A
B
Goodrive100-PV series solar pumping inverters Keypad operation procedure
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Serial
No.
Name
Description
C D E
F
H I L
N
n o P
r
S t U v . -
4
Buttons
Programming key
Enter or escape from the first level menu and remove the parameter quickly.
Entry key
Enter the menu step-by-step. Confirm parameters.
UP key
Increase data or function code progressively.
DOWN key
Decrease data or function code progressively
Right-shift key
Move right to select the displaying parameter circularly in stopping and running mode.
Select the parameter modifying digit during the parameter modification.
Run key
This key is used to operate on the inverter in key operation mode.
Stop/
Reset key
This key is used to stop in running state and it is limited by function code P07.04.
This key is used to reset all control modes in the fault alarm state.
Quick key
The function of this key is confirmed by function code P07.02.
5
Keypad
port
External keypad port. When keypads are valid, both the local and external keypad LEDs are on.
4.2 Keypad displaying
The keypad displaying state of GD100-PV series inverters is divided into stopping state parameter, running state parameter, function code parameter editing state and fault alarm state and so on.
Goodrive100-PV series solar pumping inverters Keypad operation procedure
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4.2.1 Displayed state of stopping parameters
When the inverter is in the stopping state, the keypad will display stopping parameters as shown in figure 4-2. In the stopping state, various kinds of parameters can be displayed. Select the parameters to be displayed or not by P07.07. See the instructions of P07.07 for the detailed definition of each bit. In the stopping state, there are 4 parameters that can be displayed. They are: set frequency, bus voltage, input terminals state, and output terminals state.
》/SHIFT can shift the parameters from left to right. QUICK/JOG(P07.02=2) can shift the
parameters from right to left.
4.2.2 Displayed state of running parameters
After the inverter receives valid running commands, the inverter will enter into the running state and the keypad will display the running parameters. RUN/TUNE LED on the keypad is on, while the FWD/REV is determined by the current running direction which is as shown in figure 4-2. In the running state, there are 6 parameters that can be displayed. They are: running frequency, set frequency, bus voltage, output voltage, output current, and rotating speed. 》
/SHIFT can shift the parameters from left to right. QUICK/JOG(P07.02=2) can shift the
parameters from right to left.
4.2.3 Displayed state of faults
If the inverter detects the fault signal, it will enter into the fault pre-alarm displaying state. The keypad will display the fault code by flicking. The TRIP LED on the keypad is on, and the fault reset can be operated by the STOP/RST on the keypad, control terminals or communication commands.
4.2.4 Displayed state of function codes editing
In the state of stopping, running or fault, press PRG/ESC to enter into the editing state (if there is a password, see P07.00). The editing state is displayed on two classes of menu, and the order is: function code group/function code number → function code parameter, press
DATA/ENT into the displayed state of function parameter. On this state, press DATA/ENT to
save the parameters or press PRG/ESC to escape.
Goodrive100-PV series solar pumping inverters Keypad operation procedure
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Figure 4-3 Displayed state
4.3 Keypad operation
Operate the inverter via operation panel. See the detailed structure description of function codes in the brief diagram of function codes.
4.3.1 How to modify the function codes of the inverter
The inverter has three levels menu, which are:
1. Group number of function code (first-level menu)
2. Tab of function code (second-level menu)
3. Set value of function code (third-level menu) Remarks: Press both the PRG/ESC and the DATA/ENT can return to the second-level menu
from the third-level menu. The difference is: pressing DATA/ENT will save the set parameters into the control panel, and then return to the second-level menu with shifting to the next function code automatically; while pressing PRG/ESC will directly return to the second-level menu without saving the parameters, and keep staying at the current function code. Under the third-level menu, if the parameter has no flickering bit, it means the function code cannot be modified. The possible reasons could be:
1) This function code is not modifiable parameter, such as actual detected parameter, operation records and so on;
2) This function code is not modifiable in running state, but modifiable in stop state. Example: Set function code P00.01 from 0 to 1.
Figure 4-4 Sketch map of modifying parameters
4.3.2 How to set the password of the inverter
GD100-PV series inverters provide password protection function to users. Set P07.00 to gain the password and the password protection becomes valid instantly after quitting from the function code editing state. Press PRG/ESC again to the function code editing state,
Goodrive100-PV series solar pumping inverters Keypad operation procedure
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“0.0.0.0.0” will be displayed. Unless using the correct password, the operators cannot enter it. Set P07.00 to 0 to cancel password protection function.
The password protection becomes effective instantly after retreating from the function code editing state. Press PRG/ESC again to the function code editing state, “0.0.0.0.0” will be displayed. Unless using the correct password, the operators cannot enter it.
Figure 4-5 Sketch map of password setting
4.3.3 How to watch the inverter state through function codes
GD100-PV series inverters provide group P17 as the state inspection group. Users can enter into P17 directly to watch the state.
Figure 4-6 Sketch map of state watching
Goodrive100-PV series solar pumping inverters Commissioning guidelines
-22-
5 Commissioning guidelines
Disconnect all power supplies applied to the inverter before the terminal
wiring and wait for at least the designated time after disconnecting the power supply.
High voltage is present inside the inverter during running. Do not carry out
any operation except for the keypad setting.
The inverter automatically runs once power on. If parameters need to be
set, follow the guidelines in this chapter.
5.1 Inspection before operation
Before powering on the inverter, ensure that:
a) The inverter is grounded reliably. b) The wiring is correct and reliable. c) The AC/DC breaker is selected correctly. d) The PV input voltage is in the allowed range of the inverter. e) The type, voltage, and power of the motor match those of the inverter.
5.2 Trial run
Close the DC breaker. The inverter automatically runs with a delay of 10 seconds. Check the water yield of the pump. If the water yield is normal, the trial run is successful. If the water yield is under the normal value, exchange any two motor cables, connect the cables, and perform trial run again.
5.3 Parameter settings
The inverter automatically runs by default once being powered on. If you want to set parameters, press QUICK/JOG within 10 seconds since the inverter power-on to switch to the keypad control mode (LOCAL/REMOT is off) and then set parameters. If the running indicator is already on after the inverter is powered on, press STOP/RST to enter the parameter setting mode. After parameter setting, turn off and then turn on the power switch. The inverter runs again.
5.4 Advanced settings
Note: The default settings of the inverter for the water pump can apply to most conditions and the advanced settings are not required in most cases.
5.4. PI adjustment to the water yield
If the user requires large or low water yield, it is necessary to adjust PI (P15.06~P15.10)
Goodrive100-PV series solar pumping inverters Commissioning guidelines
-23-
properly. The bigger PI parameters, the stronger the effect is, but the frequency fluctuation of the motor is bigger. In reserve, the lower the water yield is, the more stable the motor frequency is.
5.4.2 Special settings for single phase motors
a) When the single phase motor is in bad running performance, the user can adjust P04 VF curve settings: set P04.00=1 and set P04.03~P04.08 to appropriate values according to commissioning conditions; increase the voltage if the motor cannot start and decrease the voltage if the current is high. b) When the light is normal and the system starts slowly, increase P15.28 initial voltage differential value appropriately. c) For single phase motors with two-phase control (capacitor-removing): ① The maximum voltage needs to be less than 1/1.6 of the bus voltage. It is recommended to set the rated voltage P02.04 less than 200V, or limit the maximum voltage output by multi-dot V/F curve. ② Observe the currents of the windings through P17.38 and P17.39, the switched current is the combination current of the two windings. The impedances of the windings are different, so the currents are different at the same voltage output. ③ P04.35 can be used to change the output currents of the main and secondary windings. It is recommended that qualified engineers perform adjustment since the voltage adjustment is associated with motor design parameters. Otherwise, the motor performance may be impacted.
Goodrive100-PV series solar pumping inverters Function parameters
-24-
6 Function parameters
“○”: means the set value of the parameter can be modified on stop and running state; “◎”: means the set value of the parameter cannot be modified on the running state; “●”: means the value of the parameter is the real detection value which cannot be modified; Note: The inverter implements auto checking and restriction on the parameter modification property. This prevents users from modifying parameters by misoperation.
6.1 Common function parameters for solar pumping inverter control
Function
code
Name
Detailed illustration of parameters
Default
Modify
P00 Group Basic function group
P00.00
Speed control
mode
0: SVC 0 No need to install encoders. Suitable in applications which need low frequency, big torque for high accuracy of rotating speed and torque control. Relative to mode 1, it is more suitable for the applications which need small power. 1: SVC 1 1 is suitable in high performance cases with the advantage of high accuracy of rotating speed and torque. It does not need to install pulse encoder. 2: SVPWM control 2 is suitable in applications which do not need high control accuracy, such as the load of fan and pump, and suitable when one inverter drives multiple motors.
2
◎
P00.01
Run command
channel
Select the run command channel of the inverter. The control command of the inverter
1
○
Goodrive100-PV series solar pumping inverters Function parameters
-25-
Function
code
Name
Detailed illustration of parameters
Default
Modify
includes: start, stop, forward/reverse rotating, jogging and fault reset. 0: Keypad running command channel(“LOCAL/REMOT” light off) Carry out the command control by RUN,
STOP/RST on the keypad.
Set the multi-function key QUICK/JOG to
FWD/REV shifting function (P07.02=3) to change the running direction; press RUN and STOP/RST simultaneously in running state to make the inverter coast to stop. 1: Terminal running command channel (“LOCAL/REMOT” flickering) Carry out the running command control by the forward rotation, reverse rotation and forward jogging and reverse jogging of the multi-function terminals. 2: Communication running command channel (“LOCAL/REMOT” on); The running command is controlled by the upper monitor via communication.
P00.03
Max. output
frequency
This parameter is used to set the maximum output frequency of the inverter. Users need to pay attention to this parameter because it is the foundation of the frequency setting and the speed of acceleration and deceleration. Setting range: P00.04~400.00Hz
50.00Hz
◎
Goodrive100-PV series solar pumping inverters Function parameters
-26-
Function
code
Name
Detailed illustration of parameters
Default
Modify
P00.04
Upper limit of the
running frequency
The upper limit of the running frequency is the upper limit of the output frequency of the inverter which is lower than or equal to the maximum frequency. Setting range: P00.05~P00.03 (Max. output frequency)
50.00Hz
◎
P00.05
Lower limit of the
running frequency
The lower limit of the running frequency is that of the output frequency of the inverter. The inverter runs at the lower limit frequency if the set frequency is lower than the lower limit.
Note: Max. output frequency ≥ Upper limit frequency ≥ Lower limit frequency
Setting range: 0.00Hz~P00.04 (Upper limit of the running frequency)
0.00Hz
◎
P00.11
ACC time 1
ACC time means the time needed if the inverter speeds up from 0Hz to the Max. output frequency (P00.03). DEC time means the time needed if the inverter speeds down from the Max. Output frequency to 0Hz (P00.03). GD100-PV series inverters have four groups of ACC/DEC time which can be selected by P05. The factory default ACC/DEC time of the inverter is the first group. Setting range of P00.11 and P00.12:
0.0~3600.0s
Depend
on mode
○
P00.12
DEC time 1
Depend
on mode
○
Goodrive100-PV series solar pumping inverters Function parameters
-27-
Function
code
Name
Detailed illustration of parameters
Default
Modify
P00.13
Running direction
selection
0: Runs at the default direction. The inverter runs in the forward direction. FWD/REV indicator is off. 1: Runs at the opposite direction. The inverter runs in the reverse direction. FWD/REV indicator is on. Modify the function code to shift the rotation direction of the motor. This effect equals to the shifting the rotation direction by adjusting either two of the motor lines (U, V and W). The motor rotation direction can be changed by QUICK/JOG on the keypad. Refer to parameter P07.02. Note: When the function parameter comes back
to the default value, the motor’s running
direction will come back to the factory default state, too. In pump application scenarios, the inverter cannot run in the reverse direction. This function code cannot be modified. 2: Forbid to run in reverse direction: It can be used in some special cases if the reverse running is disabled.
0
○
P00.15
Motor parameter
autotuning
0: No operation 1: Rotation autotuning Comprehensive motor parameter
0
◎
Goodrive100-PV series solar pumping inverters Function parameters
-28-
Function
code
Name
Detailed illustration of parameters
Default
Modify
autotune. It is recommended to use rotation autotuning when high control accuracy is needed. 2: Static autotuning It is suitable in the cases when the motor cannot de-couple form the load. The antotuning for the motor parameter will impact the control accuracy. 3: Static autotuning 2 (No autotuning for non-load current and mutual inductance)
P00.18
Function
restore parameter
0: No operation 1: Restore the default value 2: Clear fault records
Note:
The function code will restore to 0 after finishing the operation of the selected function code. Restoring to the default value will cancel the user password. Use this function with caution.
0
◎
P01 Group Start-up and stop control
P01.08
Stop mode
0: Decelerate to stop. After the stop command becomes valid, the inverter decelerates to reduce the output frequency during the set time. When the frequency decreases to 0Hz, the inverter stops.
0
○
Goodrive100-PV series solar pumping inverters Function parameters
-29-
Function
code
Name
Detailed illustration of parameters
Default
Modify
1: Coast to stop. After the stop command becomes valid, the inverter ceases the output immediately. And the load coasts to stop at the mechanical inertia.
P01.18
Operation protection
0: The terminal running command is invalid when powering on. 1: The terminal running command is valid when powering on.
1
○
P01.21
Restart after
power off
0: Disabled 1: Enabled
1
○
P02 Group Motor 1 parameters
P02.00
Motor type
0: Asynchronous motor 1: Reserved
0
◎
P02.01
Rated power of
asynchronous
motor
0.1~3000.0kW
Set the parameter of the asynchronous motor. In order to ensure the controlling performance, set the P02.01~P02.05 according to the name plate of the asynchronous motor. GD100-PV series inverters provide the function of parameter autotuning. Correct
Depend
on model
◎
P02.02
Rated frequency of asynchronous
motor
0.01Hz~P00.03
50.00 Hz
◎
P02.03
Rated rotating
speed of
asynchronous
motor
1~36000rpm
Depend
on model
◎
P02.04
Rated voltage of
asynchronous
motor
0~1200V
Depend
on model
◎
Goodrive100-PV series solar pumping inverters Function parameters
-30-
Function
code
Name
Detailed illustration of parameters
Default
Modify
P02.05
Rated current of
asynchronous
motor
0.8~6000.0A
parameter autotuning comes from the correct setting of the motor name plate. In order to ensure the controlling performance, please configure the motor according to the standard principles, if the gap between the motor and the standard one is huge, the features of the inverter will decrease. Note: Resetting the rated power (P02.01) of the motor can initialize the motor parameters P02.02~P02.10.
Depend
on model
◎
P02.06
Stator resistor of
asynchronous
motor
0.001~65.535Ω
After the motor parameter autotuning finishes, the set values of P02.06~P02.10 will be updated automatically. These parameters are basic parameters controlled
Depend
on model
○
P02.07
Rotor resistor of
asynchronous
motor
0.001~65.535Ω
Depend
on model
○
P02.08
Leakage
inductance of
asynchronous
0.1~6553.5mH
Depend
on model
○
Goodrive100-PV series solar pumping inverters Function parameters
-31-
Function
code
Name
Detailed illustration of parameters
Default
Modify
motor
by vectors which directly impact the features. Note: Users cannot modify the parameters freely.
P02.09
Mutual inductance
of asynchronous
motor
0.1~6553.5mH
Depend
on model
○
P02.10
Non-load current
of asynchronous
motor
0.1~6553.5A
Depend
on model
○
P04 Group SVPWM control
P04.00
V/F curve setting
These function codes define the V/F curve of GD100-PV series motor 1 to meet the need of different loads. 0: Straight line V/F curve; applying to the constant torque load 1: Multi-dots V/F curve 2: 1.3th power low torque V/F curve 3: 1.7th power low torque V/F curve 4: 2.0th power low torque V/F curve Curves 2~4 apply to the torque loads such as fans and water pumps. Users can adjust according to the features of the loads to get the best performance. 5: Customized V/F(V/F separation); in this mode, V can be separated from f and f can be adjusted through the frequency given channel set by P00.06 or the voltage given channel set by P04.27 to change the feature of the curve. Note: Vb in the below picture is the motor rated voltage and fb is the motor rated
4
◎
Goodrive100-PV series solar pumping inverters Function parameters
-32-
Function
code
Name
Detailed illustration of parameters
Default
Modify
frequency.
bfb
V
Output
voltage
Output
frequency
Linear type
1.3th power low torque V/F curve
Square
type
1.7 t h power low torque V/F curve
2.0th power low torque V/F curve
P04.01
Torque boost
Torque boost to the output voltage for the features of low frequency torque. P04.01 is for the Max. output voltage Vb. P04.02 defines the percentage of closing frequency of manual torque to fb. Torque boost should be selected according to the load. The bigger the load is, the bigger the torque is. Too big torque boost is inappropriate because the motor will run with over magnetic, and the current of the inverter will increase to add the temperature of the inverter and decrease the efficiency. When the torque boost is set to 0.0%, the inverter is automatic torque boost. Torque boost threshold: below this frequency point, the torque boost is valid, but over this frequency point, the torque boost is invalid.
0.0%
○
P04.02
Torque boost close
20.0%
○
Goodrive100-PV series solar pumping inverters Function parameters
-33-
Function
code
Name
Detailed illustration of parameters
Default
Modify
Setting range of P04.01: 0.0%: (automatic) 0.1%~10.0% Setting range of P04.02: 0.0%~50.0%
P04.03
V/F
frequency point 1
of motor 1
If P04.00 =1, the user can set V//F curve by P04.03~P04.08. V/F is set to the motor load. Note: V1＜V2＜V3; f1＜f2＜f3. If the low-frequency voltage is high, overtemperature and burning may occur and the overcurrent stall and protection may occur to the inverter.
Setting range of P04.03: 0.00Hz~P04.05 Setting range of P04.04: 0.0%~110.0% (rated voltage of motor1) Setting range of P04.05: P04.03~P04.07 Setting range of P04.06:
0.0%~110.0%(rated voltage of motor1) Setting range of P04.07: P04.05~P02.02(rated frequency of
0.00Hz
○
P04.04
V/F
voltage point 1 of
motor 1
00.0%
○
P04.05
V/F
frequency point 2
of motor 1
00.00 Hz
○
P04.06
V/F
voltage point 2 of
motor 1
00.0%
○
P04.07
V/F
frequency point 3
of motor 1
00.00 Hz
○
P04.08
V/F
voltage point 3 of
motor 1
00.0%
○
b
f
截至
f
提升
V
b
V
Output voltage
Output frequency
Goodrive100-PV series solar pumping inverters Function parameters
-34-
Function
code
Name
Detailed illustration of parameters
Default
Modify
motor1) or P04.05~P02.16(rated frequency of motor1) Setting range of P04.08: 0.0%~110.0% (rated voltage of motor1)
P04.09
V/F slip
compensation gain
This function code is used to compensate the change of the rotation speed caused by load during compensation SVPWM control to improve the rigidity of the motor. It can be set to the rated slip frequency of the motor which is counted as below: △ f=fb-n*p/60 Of which, fb is the rated frequency of the motor, its function code is P02.01; n is the rated rotating speed of the motor and its function code is P02.02; p is the pole pair of the motor. 100.0% corresponds to the rated slip frequency△ f. Setting range: 0.0~200.0%
0.0%
○
P04.34
Single-phase drive
mode
Ones: Single-phase motor control mode 0: Disabled; 1: Enabled (The function is reserved. The control mode of the single-phase motor is specified by the external terminal command.) Tens: Voltage of the secondary winding (V phase) reverse 0: Not reversed; 1: Reversed Setting range: 0~0x11
0x00
◎
P04.35
Voltage ratio of V
and U
0.00~2.00
1.40
○
Goodrive100-PV series solar pumping inverters Function parameters
-35-
Function
code
Name
Detailed illustration of parameters
Default
Modify
P05 Group Input terminals
P05.00
HDI input type
0: High-speed pulse input. See P05.49~P05.54. 1: HDI switch input
1
◎ P05.01
S1 terminals
function selection
0: No function 1: Forward rotation operation 2: Reverse rotation operation 3: 3-wire control operation 4: Forward jogging 5: Reverse jogging 6: Coast to stop 7: Fault reset 8: Operation pause 9: External fault input 10: Increasing frequency setting(UP) 11: Decreasing frequency setting(DOWN) 12: Cancel the frequency change setting 13: Shift between A setting and B setting 14: Shift between combination setting and A setting 15: Shift between combination setting and B setting 16: Multi-step speed terminal 1 17: Multi-step speed terminal 2 18: Multi-step speed terminal 3 19: Multi-step speed terminal 4 20: Multi-step speed pause 21: ACC/DEC time 1
42
◎
P05.02
S2 terminals
function selection
43
◎
P05.03
S3 terminals
function selection
44
◎
P05.04
S4 terminals
function selection
45 ◎ P05.05
S5 terminals
function selection
1
P05.09
HDI terminals
function selection
46
◎
Goodrive100-PV series solar pumping inverters Function parameters
-36-
Function
code
Name
Detailed illustration of parameters
Default
Modify
22: ACC/DEC time 2 23: Simple PLC stop reset 24: Simple PLC pause 25: PID control pause 26: Traverse pause (stop at the current frequency) 27: Traverse reset (return to the center frequency) 28: Counter reset 29: Torque control prohibition 30: ACC/DEC prohibition 31: Counter trigger 32: Reserved 33: Cancel the frequency change setting 34: DC brake 35: Reserved 36: Shift the command to the keypad 37: Shift the command to terminals 38: Shift the command to communication 39: Pre-magnetized command 40: Clear the power 41: Keep the power 42: Forced switch to mains input (Switching-on indicates switching to mains input; switching-off indicates the input mode is controlled by the keypad.) 43: Full water signal 44: Non-water signal
Goodrive100-PV series solar pumping inverters Function parameters
-37-
Function
code
Name
Detailed illustration of parameters
Default
Modify
45: Two-phase control mode of the single-phase motor 46: Boost module-free PV digital input (for auto switching) 47~63: Reserved
P05.10
Polarity selection
of the input
terminals
0x000~0x10F
BIT8
BIT3
BIT2
BIT1
BIT0
HDI
S4
S3
S2
S1
0x000
◎
P06 Group Output terminals
P06.03
Relay RO1 output
selection
0: Invalid 1: In operation 2: Forward rotation operation 3: Reverse rotation operation 4: Jogging operation 5: Inverter fault 6: Frequency degree test FDT1 7: Frequency degree test FDT2 8: Frequency arrival 9: Zero speed running 10: Upper limit frequency arrival 11: Lower limit frequency arrival 12: Ready for operation 13: Pre-magnetizing 14: Overload alarm 15: Underload alarm 16: Completion of simple PLC stage 17: Completion of simple PLC cycle 18: Setting count value arrival
30
○
P06.04
Relay RO2 output
selection
5
○
Goodrive100-PV series solar pumping inverters Function parameters
-38-
Function
code
Name
Detailed illustration of parameters
Default
Modify
19: Defined count value arrival 20: External fault valid 21: Reserved 22: Running time arrival 23: MODBUS communication virtual terminals output 24~26: Reserved 27: Weak light 28~29: Reserved 30: Shift to PV mode (If the system works in PV mode, relay output is high.)
P06.05
Polarity selection
of output
terminals
The function code is used to set the pole of the output terminal. When the current bit is set to 0, output terminal is positive. When the current bit is set to 1, output terminal is negative.
BIT1
BIT0
RO2
RO1
Setting range: 0~F
0
○
P06.10
Switch on delay of
RO1
0.000~50.000s
10.000s
○
P06.11
Switch off delay of
RO1
0.000~50.000s
10.000s
○
P06.12
Switch on delay of
RO2
0.000~50.000s
0.000s
○
Goodrive100-PV series solar pumping inverters Function parameters
-39-
Function
code
Name
Detailed illustration of parameters
Default
Modify
P06.13
Switch off delay of
RO2
0.000~50.000s
0.000s
○
P07 Group Human-Machine Interface
P07.02
QUICK/JOG
function selection
0: No function 1: Jogging running. Press QUICK/JOG to begin the jogging running. 2: Shift the display state by the shifting key. Press QUICK/JOG to shift the displayed function code from right to left. 3: Shift between forward rotations and reverse rotations. Press QUICK/JOG to shift the direction of the frequency commands. This function is only valid in the keypad commands channels. 4: Clear UP/DOWN settings. Press QUICK/JOG to clear the set value of UP/DOWN. 5: Coast to stop. Press QUICK/JOG to coast to stop. 6: Shift the running commands source. Press QUICK/JOG to shift the running commands source. 7: Quick commissioning mode (based on non-factory parameters) Note: Press QUICK/JOG to shift between forward rotation and reverse rotation, the inverter does not record the state after shifting during powering off. The inverter
6
◎
Goodrive100-PV series solar pumping inverters Function parameters
-40-
Function
code
Name
Detailed illustration of parameters
Default
Modify
will run according to parameter P00.13 during next powering on.
P07.03
QUICK/JOG the
shifting sequence
of running
command
When P07.02=6, set the shifting sequence of running command channels. 0: Keypad control→terminal control →communication control 1: Keypad control←→terminals control 2: Keypad control←→communication control 3: Terminals control←→communication control
1 ○ P07.04
STOP/RST stop
function
Select the stop function by STOP/RST. STOP/RST is effective in any state for the keypad reset. 0: Only valid for the keypad control 1: Both valid for keypad and terminals control 2: Both valid for keypad and communication control 3: Valid for all control modes
1
○
P07.11
Boost module
temperature
When the inverter is configured with the boost module, this function code displays the temperature of this module. This function code is valid only in the AC mode. This function code is invalid in the PV mode.
-20.0~120.0°
●
P07.12
Converter module
-20.0~120.0°
●
Goodrive100-PV series solar pumping inverters Function parameters
-41-
Function
code
Name
Detailed illustration of parameters
Default
Modify
temperature
P07.15
MSB of inverter
power
consumption
Display the power used by the inverter. Inverter power consumption=P07.15*1000+P07.16 Setting range of P07.15: 0~65535(*1000) Setting range of P07.16: 0.0~999.9 Unit: kWh
●
P07.16
LSB of inverter
power
consumption
●
P07.27
Current fault type
0:No fault 1:IGBT U phase protection(OUt1) 2:IGBT V phase protection(OUt2) 3:IGBT W phase protection(OUt3) 4:OC1 5:OC2 6:OC3 7:OV1 8:OV2 9:OV3 10:UV 11:Motor overload(OL1) 12:The inverter overload(OL2) 13:Input side phase loss(SPI) 14:Output side phase loss(SPO) 15: Overheat of the boost module (OH1) 16: Overheat fault of the inverter module(OH2) 17: External fault(EF) 18: 485 communication fault(CE) 19:Current detection fault(ItE)
●
P07.28
Previous fault
type
● P07.29
Previous 2 fault
type
● P07.30
Previous 3 fault
type
● P07.31
Previous 4 fault
type
● P07.32
Previous 5 fault
type
●
P07.57
Previous 6 fault
type
●
P07.58
Previous 7 fault
type
●
P07.59
Previous 8 fault
type
● P07.60
Previous 9 fault
type
●
P07.61
Previous 10 fault
type
●
Goodrive100-PV series solar pumping inverters Function parameters
-42-
Function
code
Name
Detailed illustration of parameters
Default
Modify
P07.62
Previous 11 fault
type
20:Motor antotune fault(tE) 21: EEPROM operation fault(EEP) 22: PID response offline fault(PIDE) 23: Braking unit fault(bCE) 24: Running time arrival(END) 25: Electrical overload(OL3) 26~31:Reserved 32: Grounding short circuit fault 1(ETH1) 33: Grounding short circuit fault 2(ETH2) 34: Speed deviation fault(dEu) 35: Maladjustment(STo) 36:Underload fault(LL) 37: Hydraulic probe damage(tSF) 38: PV reverse connection fault(PINV) 39: PV overcurrent(PVOC) 40: PV overvoltage(PVOV) 41:PV undervoltage(PVLV) 42: Fault on communication with the boost module (E-422) 43: Bus overvoltage detected on the boost module (OV) Note: Faults 38~40 can be detected in boost. The boost module stops working once after detecting a fault. The boost module sends back the fault information to the inverter module in the next data sendback. Alarms:
● P07.63
Previous 12 fault
type
● P07.64
Previous 13 fault
type
●
P07.65
Previous 14 fault
type
●
P07.66
Previous 15 fault
type
● P07.67
Previous 16 fault
type
● P07.68
Previous 17 fault
type
● P07.69
Previous 18 fault
type
● P07.70
Previous 19 fault
type
●
P07.71
Previous 20 fault
type
●
Goodrive100-PV series solar pumping inverters Function parameters
-43-
Function
code
Name
Detailed illustration of parameters
Default
Modify
Weak light alarm (A-LS) Underload alarm (A-LL) Full water alarm (A-tF) Water-empty alarm (A-tL)
P08 Group Enhanced functions
P08.28
Times of fault
reset
0~10
5
○
P08.29
Interval time of
automatic fault
reset
0.1~3600.0s
10.0s
○
6.2 Parameters of special functions
Function
code
Name
Detailed illustration of parameters
Default
Modify
P11 Group Protective parameters
P11.00
Phase loss
protection
0x000~0x011 LED ones: 0: Input phase loss software protection disabled 1: Input phase loss software protection enabled LED tens: 0: Input phase loss software protection disabled 1: Input phase loss software protection enabled LED hundreds: Reserved 000~111
Depend
on model
○
Goodrive100-PV series solar pumping inverters Function parameters
-44-
Function
code
Name
Detailed illustration of parameters
Default
Modify
P11.01
Frequency
decrease at
sudden power loss
0: Disable 1: Enable
0
○
P11.02
Frequency
decrease ratio at
sudden power loss
Setting range: 0.00Hz~P00.03/s After the power loss of the grid, the bus voltage drops to the sudden frequency decrease point, the inverter begin to decrease the running frequency at P11.02, to make the inverter generate power again. The returning power can maintain the bus voltage to ensure a rated running of the inverter until the recovery of power.
Voltage
degree
220V
400V
Frequency
decrease
point
260V
460V
0.00Hz/s
○
P15 Group Special functions for PV inverters
P15.00
PV inverter
selection
0: Invalid 1: Enable 0 means the function is invalid and the group of parameters cannot be used 1 means the function is enabled, and P15 parameters can be adjusted
1
◎ P15.01
Vmpp voltage
reference
0: Voltage reference 1: Max. power tracking 0 means to apply voltage reference mode. The reference is a fixed value and given by P15.02.
1
◎
Goodrive100-PV series solar pumping inverters Function parameters
-45-
Function
code
Name
Detailed illustration of parameters
Default
Modify
1 means to apply the reference voltage of Max. power tracking. The voltage is changing until the system is stable. Note: If terminal 43 is valid, the function is invalid.
P15.02
Vmpp voltage
keypad reference
0.0~6553.5Vdc If P15.01 is 0, the reference voltage is given by P15.02. (During test, reference voltage should be lower than PV input voltage; otherwise, the system will run at lower limit of frequency).
250.0V
○
P15.03
PI control deviation
0.0~100.0% (100.0% corresponds to P15.02) If the ratio percentage of real voltage to reference voltage, which is abs(bus voltage-reference voltage)*100.0%/ reference voltage, exceeds the deviation limit of P15.03, PI adjustment is available; otherwise, there is no PI adjustment and the value is defaulted to be 0.0%. abs: absolute value
0.0%
○
P15.04
Upper frequency
of PI output
P15.05~100.0% (100.0% corresponds to P00.03) P15.04 is used to limit the Max. value of target frequency, and 100.0% corresponds to P00.03. After PI adjustment, the target frequency
100.0%
○
Goodrive100-PV series solar pumping inverters Function parameters
-46-
Function
code
Name
Detailed illustration of parameters
Default
Modify
cannot exceed the upper limit.
P15.05
Lower frequency
of PI output
0.0%~P15.04 (100.0% corresponds to P00.03) P15.05 is used to limit the Min. value of target frequency, and 100.0% corresponds to P00.03. After PI adjustment, the target frequency cannot be less than the lower limit.
20.0%
○
P15.06
KP1
0.00~100.00 Proportion coefficient 1 of the target frequency The bigger the value is, the stronger the effect and faster the adjustment is.
5.00
○
P15.07
KI1
0.00~100.00 Integral coefficient 1 of the target frequency The bigger the value is, the stronger the effect and faster the adjustment is.
5.00
○
P15.08
KP2
0.00~100.00 Proportion coefficient 2 of the target frequency The bigger the value is, the stronger the effect and faster the adjustment is.
35.00
○
P15.09
KI2
0.00~100.00 Integral coefficient 2 of the target frequency The bigger the value is, the stronger the effect and faster the adjustment is.
35.00
○
Goodrive100-PV series solar pumping inverters Function parameters
-47-
Function
code
Name
Detailed illustration of parameters
Default
Modify
P15.10
PI switching point
0.0~6553.5Vdc If the absolute value of bus voltage minus the reference value is bigger than P15.10, it will switch to P15.08 and P15.09; otherwise it is P15.06 and P15.07.
20.0V
◎
P15.11
Water level control
0: Digital input of the water-level control 1: AI1(the water-level signal is input through AI1, not supported currently) 2: AI2 (the water-level signal is input through AI2) 3: AI3 (the water-level signal is input through AI3) If the function code is 0, the water-level signal is controlled by the digital input. See 43 and 44 functions of S terminals in group P05 for detailed information. If the full-water signal is valid, the system will report the alarm (A-tF) and sleep after the time of P15.14. During the alarm, the full-water signal is invalid and the system will clear the alarm after the time of P15.15. If the empty-water signal is valid, the system will report the alarm (A-tL) and sleep after the time of P15.16. During the alarm, the empty -water signal is invalid and the system will clear the alarm after the time of P15.17.
0
◎
Goodrive100-PV series solar pumping inverters Function parameters
-48-
Function
code
Name
Detailed illustration of parameters
Default
Modify
If the function code is 1~3, it is the reference of water-level control analog signal. For details, see P15.12 and P12.13.
P15.12
Full-water level
threshold
0.0~100.0% This code is valid when P15.11 water level control is based on analog input. If the detected water level control analog signal is less than the water level threshold P15.12 and keeps in the state after the delay time P15.14, the system reports A-tF and sleeps. If the delay time is not reached, the signal is bigger than the water level threshold, the time will be cleared automatically. When the measured water level control analog signal is less than the water level threshold, the delay time will be counted again. 0 is full water and 1 is no water. During the full-water alarm, if the detected water level signal is higher than the threshold of P15.12 and the delay counts, the alarm is cleared after the time set by P15.15 is reached in this continuous state continues. During the non-continuous application, the delay timing will clear automatically.
25.0%
○
Goodrive100-PV series solar pumping inverters Function parameters
-49-
Function
code
Name
Detailed illustration of parameters
Default
Modify
P15.13
Empty-water level
threshold
0.0~100.0% This code is valid when P15.11 water level control is based on analog input. If the detected water level control analog signal is greater than the water level threshold P15.13 and keeps in the state after the delay time P15.16, the system reports A- tL and sleeps. If the delay time is not reached (that means non-continuous), the delay time is automatically cleared. When the detected water level control analog signal is less than the water level threshold, the delay counts. During the empty-water alarm, if the detected water level control analog signal is less than the water level threshold P15.13 and delay counts, the empty-water alarm is cleared after the delay time set by P15.17 in this continous state. In the non-continuous state, the delay time is automatically cleared.
75.0%
○
P15.14
Full water delay
0~10000s Time setting of full water delay (This function code is still valid when the digital indicates the full-water signal.)
5s
○
P15.15
Wake-up delay in
full water state
0~10000s
20s
○
Goodrive100-PV series solar pumping inverters Function parameters
-50-
Function
code
Name
Detailed illustration of parameters
Default
Modify
Time setting of wake-up delay in full-water state (This function code is still valid when the digital indicates the full-water signal.)
P15.16
Empty-water delay
0~10000s Time setting of empty-water delay (This function code is still valid when the digital indicates the empty-water signal.)
5s
○
P15.17
Wake-up delay in
empty-water state
0~10000s Time setting of wake-up delay in empty-water state (This function code is still valid when the digital indicates the empty-water signal.)
20s
○
P15.18
Hydraulic probe
damage
0.0~100.0%
0.0%: Invalid. If it is not 0.0%, when the signal is longer than P15.18, it will report tSF fault directly and stop.
0.0%
◎
P15.23
Delay time of weak
light
0.0~3600.0s Delay time of weak light If the output frequency is less than or equal to the lower limit of PI output frequency and the state lasts for the set value, it will report A-LS and sleep. If the state is not continuous, the delay counting will be cleared automatically. Note: If the bus voltage is lower than the undervoltage point or the PV voltage is lower than 70V, it will report the weak
100.0s
○
Goodrive100-PV series solar pumping inverters Function parameters
-51-
Function
code
Name
Detailed illustration of parameters
Default
Modify
light alarm without any delay time. If P15.32=0, the system will switch to the mains input when the light is weak.
P15.24
Delay time of
wake-up at weak
light
0.0~3600.0s Delay time of wake-up at weak light If the weak light alarm is reported, after the delay time of wake-up, the alarm will be cleared and it will run again. When P15.32=0, if the PV voltage is higher than P15.34, after the delay time, it will switch to PV input mode.
300.0s
○
P15.25
Initial reference
voltage display
0.0~2000.0V
0
●
P15.26
Min. voltage
reference during
max. power
tracking
0.00~1.00 This function code is used to set the minimum voltage reference during maximum power tracking. Min. voltage reference during max. power tracking = Solar cell panel open-circuit voltage * P15.26. Solar cell panel open-circuit voltage = P15.25+ P15.28 Track the maximum power in the range of Min. voltage reference~P15.27. P15.27 must be greater than Min. voltage reference. The less the difference, the faster the tracking is. The maximum voltage needs to be in the range. P15.26 and P15.27 can be adjusted according to site operation.
0.70
○
Goodrive100-PV series solar pumping inverters Function parameters
-52-
Function
code
Name
Detailed illustration of parameters
Default
Modify
P15.27
Max. voltage
reference during
max. power
tracking
Min. voltage reference during max. power tracking~P15.31 Valid in MPPT Max. tracking voltage, the tracked max. voltage The default value depends on model.
Model
Max.
voltage
reference
Max.
Vmppt
-SS2
400
400
-S2
400
400
-2
400
400
-4
750
750
400.0V
○
P15.28
Adjustment of
initial reference
voltage
0.0~200.0V MPPT begins to change from the reference voltage Initial reference voltage =PV voltage-P15.28
5.0V
○
P15.29
Adjustment of
upper and lower
limit time of Vmppt
0.0~10.0s When P15.29 is set to 0.0, the automatic adjustment is invalid. If it is not 0.0, the upper and lower limits of Vmppt will be adjusted automatically at the inveral set by P15.29. The medium value is the current PV voltage and the limit is P15.30: Maximum/Minimum reference voltage=Current PV voltge±P15.30 and it will update to P15.26 and P15.27 at the same time.
1.0s
○
P15.30
Adjustment of
5.0~100.0V
30.0V
○
Goodrive100-PV series solar pumping inverters Function parameters
-53-
Function
code
Name
Detailed illustration of parameters
Default
Modify
upper and lower
limits of Vmppt
Adjustment of the upper and lower limits
P15.31
Max. value of
Vmppt
P15.27~6553.5V The upper limit cannot exceed the P15.28 when Vmppt is the maximum value. During the maximum power tracking, the upper limit of the solar cell panel reference voltage will not exceed the value set by P15.31. The factory value depends on the model. By default, the value for the -4 models is 750V and the value for other models is 400V.
400.0V
○
P15.32
PV input and
mains input
selection
0: Automatic shift 1: Mains input 2: PV input If the value is 0, the system will switch between PV input and mains input according to the detected PV voltage and threshold; If the value is 1, the system will force to switch to mains input; If the value is 2, the system will force to switch to PV input. Note: When the terminal input 42 is valid, the function code will be invalid.
2
◎
P15.33
Threshold to
switch to mains
input
0.0V~P15.34 If PV voltage is lower than the threshold or the light is weak, it can switch to mains
70.0V
○
Goodrive100-PV series solar pumping inverters Function parameters
-54-
Function
code
Name
Detailed illustration of parameters
Default
Modify
input through the relay output. If the value is 0, it is invalid. For inverters without the boost module, the switching point voltage is determined by the external voltage detection circuit. For inverters with the boost module, the switching point voltage is 70V.
P15.34
Threshold to
switch to PV input
P15.33~400.0V If PV voltage is greater than the threshold, it can switch to PV input through the relay output after the time set by P15.24. To prevent frequent switching, this threshold must be greater than P15.33. If the value is 0.0, it is invalid. The default value depends on model.
100.0V
○
P15.35
Rated pump flow
The pump flow is
Q
N
if the pump runs at the rated pump frequency and rated lift. Unit: cubic meter/hour.
0.0
○
P15.36
Rated pump lift
The pump lift is
N
H
if the pump runs at the rated frequency and rated current. Unit: meter
0.0
○
P15.37
Voltage setting at
PV undervoltage
point
When the PV voltage is less than the preset voltage, the system reports the PV undervoltage (UV) fault. The default value depends on the model
.
70.0
○
Goodrive100-PV series solar pumping inverters Function parameters
-55-
Function
code
Name
Detailed illustration of parameters
Default
Modify
Model
PV UV
point
-SS2
140V
-S2
140V
-2
140V
-4
240V
Any model with
the boost module
70V
Setting range: 0.0~400.0
P15.39
Model
This function code is provided for users to change models. For example, if the user wants to use model -4 (default after factory delivery) as model -2, P15.39 must be set to 2. 0: -SS2 220V; single-phase input; single-phase output 1: -S2 220V; single-phase input; three-phase output 2: -2 220V; three-phase input; three-phase output 3: -4 380V; three-phase input; three-phase output Setting range: 0~3
0
◎
P17 Group State viewing
P17.38
Current of the
main winding
It is the current of the main winding when applying capacitance-removing to control the single phase motor.
0.00~100.00A
0.0A
●
P17.39
Current of the
It is the current of the secondary winding
0.0A
●
Goodrive100-PV series solar pumping inverters Function parameters
-56-
Function
code
Name
Detailed illustration of parameters
Default
Modify
secondary winding
when applying capacitance-removing to control the single phase motor.
0.00~100.00A
P18 Group State viewing special for solar converters
P18.00
PV reference
voltage
MPPT is implemented at the converter side. This value is determined at the converter side.
●
P18.01
Current PV
voltage
It is transferred from the boost module or equal to the bus voltage.
●
P18.02
Display of MPPT
min. reference
voltage
The value displays the minimum voltage reference during maximum power tracking. It equals the solar cell panel open-circuit voltage multiplied P15.26.
●
P18.04
Current inductive
current
It is transferred from the boost module. This function code is valid only in AC mode and invalid in PV mode.
●
P18.07
PV input power
Reserved. Unit: kW
●
P18.08
Previous PV input
power
Reserved
●
P18.09
Previous PV
voltage
Reserved
●
P18.10
Device
configuration
display
0x00~0x11 Ones on LED 0: PV power supply 1: AC grid power supply Tens on LED 0: Detection indicates the system contains the boost module.
●
Goodrive100-PV series solar pumping inverters Function parameters
-57-
Function
code
Name
Detailed illustration of parameters
Default
Modify
1: Detection indicates the system does not contain the boost module.
P18.11
Current pump flow
Unit: cubic meter/hour
0.0 ● P18.12
Current pump lift
Unit: meter
0.0
●
P18.13
MSBs in total pump
flow
This function code displays the 16 most significant bits (MSBs) in the total pump flow. Unit: cubic meter
0
●
P18.14
LSBs in total pump
flow
This function code displays the 16 least significant bits (LSBs) in the total pump flow. Unit: cubic meter. Total pump flow = P18.13*65535+ P18.14
0.0
●
P18.15
Total pump flow
resetting
Setting this value to 1 can reset the total pump flow. P18.13 and P18.14 will accumulate the flow after resetting. After the resetting succeeds, P18.15 is automatically set to 0.
0
◎
P19 Group Voltage boost (converter module communicates with boost module through 485)
P19.00
Boost voltage loop
KP
0.000~65.535
0.500
○
P19.01
Boost voltage loop
KI
0.000~65.535
0.080
○
P19.02
Boost current loop
KP
0.000~65.535
0.010
○
P19.03
Boost current loop
KI
0.000~65.535
0.010
○
P19.04
Upper limit of the
output current of
boost voltage loop
Upper limit output of mppt voltage loop PI, upper limit of the boost current loop reference current
12.0A
○
Goodrive100-PV series solar pumping inverters Function parameters
-58-
Function
code
Name
Detailed illustration of parameters
Default
Modify
PI
P19.05~15.0A
P19.06
Bus reference
voltage
This function code is set to the bus reference voltage at PV input when the system contains the boost module. By default, this function code is set to 350V for models of 220V and 570V for models of 380V. Setting range: 300.0V~600.0V
350.0V
◎
P19.07
Boost voltage loop
KP1
If the difference between the bus reference voltage and actual bus voltage is greater than 20V, the boost voltage loop uses this group PI parameter. Otherwise, the boost voltage loop uses the first group PI parameter. Setting range: 0.000~65.535
0.500
○
P19.08
Boost voltage loop
KI1
If the difference between the bus reference voltage and actual bus voltage is greater than 20V, the boost voltage loop uses the PI parameters of this group. Otherwise, the boost voltage loop uses the PI parameters of the first group. Setting range: 0.000~65.535
0.080
○
P19.10
Boost software
version
Once being powered, the boost module sends its version information to the converter module.
0.00
●
Note:
The time when the pump inverter operated to the lower limit of PI output frequency after
inverter start-up is determined by the ACC time.
Goodrive100-PV series solar pumping inverters Function parameters
-59-
Delay time counting follows the rules if multiple fault conditions are met simutaneously: For
example, if all fault conditions of weak light, full water, and underload are met at the same time, the inverter will count the delay time for each fault independently. If the delay time of a fault is reached, the fault is reported. The delay time counting of the other two faults keeps. If the reported fault is resolved but the conditions of the other two faults persist, the delay time counting of the other two faults continues. If a fault condition is not met during counting, the delay time of this fault is cleared.
Goodrive100-PV series solar pumping inverters Fault diagnosis and solution
-60-
7 Fault diagnosis and solution
Do as follows after the inverter encounters a fault:
1. Check to ensure there is nothing wrong with the keypad. If not, please contact with the local INVT office.
2. If there is nothing wrong, please check P07 and ensure the corresponding recorded fault parameters to confirm the real state when the current fault occurs by all parameters.
3. See the following table for detailed solution and check the corresponding abnormal state.
4. Eliminate the fault and ask for relative help.
5. Check to eliminate the fault and carry out fault reset to run the inverter.
Fault code
Fault type
Possible cause
Solutions
OUt1
IGBT U
1. The acceleration is too fast.
2. This phase IGBT is damaged internally.
3. Interference causes misoperation.
4. The drive wire is connected improperly.
5. The load transients or is abnormal.
6. The grounding is short circuited.
1. Increase the acceleration time.
2. Change the power unit.
3. Check the drive wire.
4. Check whether the peripheral equipment has strong interference sources.
OUt2
IGBT V
OUt3
IGBT W
OV1
Overvoltage when
acceleration
1. The input voltage is abnormal.
2. There is large energy feedback.
3. No braking components.
4. Braking energy is not open.
1. Check the input power.
2. Check if the DEC time of the load is too short or the inverter starts during the rotation of the motor or it needs to increase the energy consumption components.
3. Install the braking components.
4. Check the setting of relative function codes.
OV2
Overvoltage when
deceleration
OV3
Overvoltage when
constant speed
running
OC1
Overcurrent when
acceleration
1. The acceleration or deceleration is too fast.
2. The voltage of the grid is too low.
3. The power of the inverter is
1. Increase the ACC time.
2. Check the input power.
3. Select the inverter with a larger power.
4. Check if the load is short
OC2
Overcurrent when
deceleration
Goodrive100-PV series solar pumping inverters Fault diagnosis and solution
-61-
Fault code
Fault type
Possible cause
Solutions
OC3
Overcurrent when
constant speed
running
too low.
4. The load transients or is abnormal.
5. The grounding is short circuited or the output is phase loss.
6. There is strong external interference.
7. The overvoltage stall protection is not open.
circuited (the grounding short circuited or the wire short circuited) or the rotation is not smooth.
5. Check the output configuration.
6. Check if there is strong interference.
7. Check the setting of relative function codes.
UV
Bus undervoltage
1. The voltage of the power supply is too low.
2. The overvoltage stall protection is not open.
1. Check the input power of the supply line.
2. Check the setting of relative function codes.
OL1
Motor overload
1. The voltage of the power supply is too low.
2. The motor setting rated current is incorrect.
3. The motor stall or load transients is too strong.
1. Check the power of the supply line.
2. Reset the rated current of the motor.
3. Check the load and adjust the torque lift.
OL2
Inverter overload
1. The acceleration is too fast.
2. The rotating motor is reset.
3. The voltage of the power supply is too low.
4. The load is too heavy.
5. The motor power is too small.
1. Increase the ACC time.
2. Avoid the restarting after stopping.
3. Check the power of the supply line.
4. Select an inverter with bigger power.
5. Select a proper motor.
SPI
Input phase loss
Phase loss or fluctuation of input R,S,T
1. Check input power.
2. Check installation distribution.
SPO
Output phase loss
U,V,W phase loss output (or serious asymmetrical three phase of the load)
1. Check the output distribution.
2. Check the motor and cable. OH1
Rectifier overheat
1. Air duct jam or fan damage
1. Dredge the wind channel or
Goodrive100-PV series solar pumping inverters Fault diagnosis and solution
-62-
Fault code
Fault type
Possible cause
Solutions
OH2
IGBT overheat
2. Ambient temperature is too
high.
3. The time of overload
running is too long.
change the fan.
2. Decrease the environment
temperature.
EF
External fault
SI external fault input terminals action
Check the external device input.
CE
Communication
error
1. The baud rate setting is
incorrect.
2. Fault occurs to the
communication wiring.
3. The communication
address is wrong.
4. There is strong interference
to the communication.
1. Set proper baud rate.
2. Check the communication
connection distribution
3. Set proper communication
address.
4. Change or replace the
connection distribution or improve the anti-interference capability.
ItE
Current detection
fault
1. The connection of the
control board is not good.
2. Assistant power is bad
3. Hall components is broken
4. The magnifying circuit is
abnormal.
1. Check the connector and
repatch.
2. Change the Hall.
3. Change the main control
panel.
tE
Autotuning fault
1. The motor capacity does
not comply with the inverter capability.
2. The rated parameter of the
motor is not set correctly.
3. The offset between the
parameters from autotune and the standard parameter is huge
4. Autotune overtime
1. Change the inverter mode.
2. Set the rated parameter
according to the motor name plate.
3. Empty the motor load.
4. Check the motor connection
and set the parameter.
5. Check if the upper limit
frequency is above 2/3 of the rated frequency.
EEP
EEPROM fault
1. Error of controlling the write
and read of the parameters
2. Damage to EEPROM
1. Press STOP/RST to reset.
2. Change the main control
panel.
PIDE
PID feedback fault
1. PID feedback is offline.
1. Check the PID feedback
signal
Goodrive100-PV series solar pumping inverters Fault diagnosis and solution
-63-
Fault code
Fault type
Possible cause
Solutions
2. The PID feedback source
disappears.
2. Check the PID feedback
source.
END
Time arrival of factory setting
The actual running time of the inverter is above the internal setting running time.
Ask for the supplier and adjust the setting running time.
OL3
Electrical overload
The inverter will report overload pre-alarm according to the set value.
Check the load and the overload pre-alarm point.
ETH1
Grounding short
circuit fault 1
The grounding of the inverter output terminal is short circuited. The current detection circuit is faulty. The actual motor power sharply differs from the inverter power.
Check whether the motor wiring is proper. Change the Hall. Change the main control panel. Set motor parameters correctly.
ETH2
Grounding short
circuit fault 2
dEu
Velocity deviation
fault
The load is too heavy or stalled.
1. Check the load and ensure it
is normal. Increase the detection time.
2. Check whether the control
parameters are normal.
STo
Maladjustment fault
1. The control parameters of
the synchronous motors not set properly.
2. The autotuning parameter
is not correct.
3. The inverter is not
connected to the motor.
1. Check the load and ensure it
is normal.
2. Check whether the control
parameter is set properly or not.
3. Increase the maladjustment
detection time.
LL
Electronic
underload fault
The inverter will report the underload pre-alarm according to the set value.
Check the load and the underload pre-alarm point.
tSF
Hydraulic probe
damage
Hydraulic probe damage
Change the damaged hydraulic probe.
Goodrive100-PV series solar pumping inverters Fault diagnosis and solution
-64-
Fault code
Fault type
Possible cause
Solutions
PINV
PV reverse
connection fault
Incorrect PV wiring
Change the wiring direction of the positive and negative terminals and connect the cables again.
PVOC
PV overcurrent
1. The acceleration or
deceleration is too fast.
2. The inverter power is too
low.
3. The load transients or is
abnormal.
4. The grounding is short
circuited.
1. Increase the ACC or DCC
time.
2. Select the inverter with a
larger power.
3. Check if the load is short
circuited (the grounding short circuited or the wire short circuited) or the rotation is not smooth.
PVOV
PV overvoltage
1. The solar cell panel input
voltage is too high.
2. Model -4 is set as another
model.
1. Reduce the number of solar
cell panels that are wired in series.
2. Check and reset the model.
PVLV
PV undervoltage
1. The power of the solar cell
panel series is too low or it is cloudy and rainy weather.
2. The motor start-up current
is too high.
1. Increase the number of solar
cell panels or perform the test in the normal sun light.
2. Change the motor.
E-422
Fault on
communication with
boost module 422
Improper contact with the communication cables
Check the four communication cables of 422 and ensure that they are connected properly.
OV
Bus overvoltage
detected at the
boost module side
The sun light changes suddenly.
Adjust the boost PI parameters. Enlarge the values of P19.07 and P19.08.
A-LS
Weak light alarm
The sun light is weak or the solar cell panel configuration is insufficient.
The equipment automatically runs when the light becomes strong. Check whether the solar cell
Goodrive100-PV series solar pumping inverters Fault diagnosis and solution
-65-
Fault code
Fault type
Possible cause
Solutions
panel configuration is proper.
A-LL
Underload alarm
The reservoir is empty.
Check the reservoir.
A-tF
Full-water alarm
The reservoir is full.
If the user has set the full-water alarm function, the equipment automatically stops when the full-water alarm time reaches the specified time. In this situation, the user does not need to perform any operation. Otherwise, check whether terminals are wired incorrectly.
A-tL
Empty-water alarm
The reservoir is empty.
If the user has set the empty-water alarm function, the equipment automatically stops when the empty-water alarm time reaches the specified time. In this situation, the user does not need to perform any operation. Otherwise, check whether terminals are wired incorrectly.
Goodrive100-PV series solar pumping inverters Options and use
-66-
Appendix A Options and use
A.1 Boost module
The pumping inverters ≤ 2.2KW support the installation of the boost module (PP100-3R2-PV) to improve the utilization of the solar modules. The figure below shows the wiring method.
1. Connect PV+ and PV- of the boost module to the positive input terminal and negative input terminal of the modules respectively.
2. Connect the output terminals (+) and (-) of the boost module to the input terminals (+) and (-) of the pumping inverter.
3. Connect 422-communication receiving terminal RX of the boost module to 422-communication sending terminal TX of the pumping inverter. Connect 422-communication sending terminal TX of the boost module to 422-communication receiving terminal RX of the pumping inverter. Use twisted pairs for wiring.
4. If the wiring is connected, switch on the breaker Q1 at the DC side for automotive running.
GD100-PV
inverter
(+)
(-)
U
V
W
PV
input
Q1
PP100-3R2-PV
Boost module
(+)
(-)
PV+
PV-
Water pump
Shielded twisted pairs
422RX+
422TX-
422RX-
422TX+
422RX+
422RX-
422TX+ 422TX-
Figure A-1 Connection between the boost module and inverter
Boost module specifications
Model
PP100-3R2-PV
Input
Max. input power (W)
3200
Max. DC voltage (V)
600
Start-up voltage (V)
80
Min. working voltage (V)
70
Max. input current (A)
12
Output
Output voltage (V)
350/570 (automatically determined by the pumping inverter)
Goodrive100-PV series solar pumping inverters Options and use
-67-
Instruction of LEDs
Display state
Description
Green LED flickering
The boost module has been powered on, and the control circuit is working.
Green LED on
The boost module is running.
Red LED on
The boost module is faulty.
The figure below shows the installation dimensions of the boost module.
A.2 GPRS module and monitoring APP
The pumping inverters support the installation of the GPRS module to implement remote monitoring. The GPRS module connects to the inverters through 485 communication. The inverter operation state can be monitored on the APP in the mobile phone or web page in real time.
Method for connecting the GPRS to the inverter:
24V
COM
485+
485-
GD100-PV
inverter
GPRS
module
24V
GND
A
B
Antenna
Figure A-2 Connecting the GPRS module to the inverter
FAULT
RUN
FAULT
Goodrive100-PV series solar pumping inverters Options and use
-68-
For more information, see the GPRS/GPS adaptor operation guide matching the GPRS module or contact the local INVT office. When consulting, provide the product models and serial numbers.
A.3 Cables
A.3.1 Power cables
Dimension the input power and motor cables according to local regulations. Note: A separate PE conductor is required if the conductivity of the cable shield is not sufficient for the purpose.
A.3.2 Control cables
The relay cable needs the cable type with braided metallic screen. Keypads need to be connected with network cables. The network cables must be shielded in complicated electromagnetic environments. Communication cables must be shielded twisted pairs.
Note:
Run analog and digital signals in separate cables.  Check the insulation of the input power cable according to local regulations before
connecting to the drive.
Recommended power cables for standard inverter models
Model
Recommended cable size
(mm2)
Terminal
screw
Tightening
torque
(Nm)
(+)/(-), R/S/T, U/V/W
PE
GD100-0R4G-S2-PV
1.5
1.5
M4
0.8
GD100-0R7G-S2-PV
1.5
1.5
M4
0.8
GD100-0R4G-SS2-PV
1.5
1.5
M4
0.8
GD100-0R7G-4-PV
1.5
1.5
M4
0.8
GD100-1R5G-4-PV
1.5
1.5
M4
0.8
GD100-2R2G-4-PV
1.5
1.5
M4
0.8
GD100-1R5G-S2-PV
2.5
2.5
M4
0.8
GD100-2R2G-S2-PV
2.5
2.5
M4
0.8
GD100-0R7G-SS2-PV
2.5
2.5
M4
0.8
GD100-1R5G-SS2-PV
2.5
2.5
M4
0.8
GD100-2R2G-SS2-PV
2.5
2.5
M4
0.8
GD100-004G-4-PV
2.5
2.5
M4
1.2~1.5
Goodrive100-PV series solar pumping inverters Options and use
-69-
Model
Recommended cable size
(mm2)
Terminal
screw
Tightening
torque
(Nm)
(+)/(-), R/S/T, U/V/W
PE
GD100-5R5G-4-PV
2.5
2.5
M4
1.2~1.5
GD100-7R5G-4-PV
4
4
M5
2~2.5
GD100-004G-2-PV
4
4
M5
2~2.5
GD100-011G-4-PV
6
6
M5
2~2.5
GD100-5R5G-2-PV
6
6
M5
2~2.5
GD100-015G-4-PV
10
10
M5
2~2.5
GD100-7R5G-2-PV
10
10
M5
2~2.5
GD100-018G-4-PV
16
16
M5
2~2.5
GD100-022G-4-PV
25
16
M5
2~2.5
GD100-030G-4-PV
25
16
M6
4~6
GD100-037G-4-PV
35
16
M6
4~6
Note:
For the cable selection for model IP54, see the cables applicable to the models with the same power as model IP54 in this table. It is appropriate to use the recommended cable size under 40°C and rated current. The wiring distance should be no more than 100m. If the control cable and power cable must cross, the angle between them must be 90°. If the inside of the inverter is moist, the insulation resistance will decrease. If there is moisture in the inverter, dry up the inverter and measure the humidity again.
A.4 Reactors
If the distance between the inverter and the motor is longer than 50m, frequent overcurrent protection may occur to the inverter because of high leakage current caused by parasitic capacitance effects from the long cables to the ground. In order to avoid the damage of the motor insulation, it is necessary to add reactor compensation. If the distance between the inverter and motor is 50~100m, see the table below for model selection; if it exceeds 100m, consult with INVT technical support.
Output reactor model selection
Inverter power
Output reactor
GD100-004G-2-PV
OCL15A04704-1
Goodrive100-PV series solar pumping inverters Options and use
-70-
Inverter power
Output reactor
GD100-5R5G-2-PV
OCL20A03504-1
GD100-7R5G-2-PV
OCL40A01804-1
GD100-0R7G-4-PV
OCL5A14004-1
GD100-1R5G-4-PV
OCL5A14004-1
GD100-2R2G-4-PV
OCL7A10004-1
GD100-004G-4-PV
OCL10A07004-1
GD100-5R5G-4-PV
OCL15A04704-1
GD100-7R5G-4-PV
OCL20A03504-1
GD100-011G-4-PV
OCL30A02304-1
GD100-015G-4-PV
OCL40A01804-1
GD100-018G-4-PV
OCL50A01404-1
GD100-022G-4-PV
OCL60A01204-1
GD100-030G-4-PV
OCL80A00874-1
GD100-037G-4-PV
OCL90A00784-1
Note:
The rated derate voltage of the output reactor is 1%±15%. Above options are external, and the customer should specify the model when purchasing.
A.5 Filters
C3 filters are built in GD100-PV series inverters with rated power of equal to or greater than 4kW. Jumper J10 determines the connection. Connection method: Open the lower cover, find the location of J10, and insert the jumper terminals equipped with the inverter.
Note: After the filter is added, EMI input meets requirements for level C3.
Goodrive100-PV series solar pumping inverters Recommended solar modules
-71-
Appendix B Recommended solar modules
B.1 Recommended configuration for solar pumping inverters
Solar pumping inverter
model
Open-circuit voltage degree of solar module
37±1V
45±1V
Module
power±5Wp
Modules per
string *
strings
Module
power±5Wp
Modules per
string * strings
GD100-0R4G-SS2-PV
250
11*1
300
9*1
GD100-0R7G-SS2-PV
250
11*1
300
9*1
GD100-1R5G-SS2-PV
250
11*1
300
9*1
GD100-2R2G-SS2-PV
250
11*1
300
9*1
GD100-0R4G-S2-PV
250
11*1
300
9*1
GD100-0R7G-S2-PV
250
11*1
300
9*1
GD100-1R5G-S2-PV
250
11*1
300
9*1
GD100-2R2G-S2-PV
250
11*1
300
9*1
GD100-004G-2-PV
250
11*2
300
9*2
GD100-5R5G-2-PV
250
11*3
300
9*3
GD100-7R5G-2-PV
250
11*4
300
9*4
GD100-0R7G-4-PV
250
18*1
300
15*1
GD100-1R5G-4-PV
250
18*1
300
15*1
GD100-2R2G-4-PV
250
18*1
300
15*1
GD100-004G-4-PV
250
20*1
300
16*1
GD100-5R5G-4-PV
250
18*2
300
15*2
GD100-7R5G-4-PV
250
18*2
300
15*2
GD100-011G-4-PV
250
18*3
300
15*3
GD100-015G-4-PV
250
18*4
300
15*4
GD100-018G-4-PV
250
18*5
300
15*5
GD100-022G-4-PV
250
18*6
300
15*6
GD100-030G-4-PV
250
18*8
300
15*8
GD100-037G-4-PV
250
18*9
300
15*9
Goodrive100-PV series solar pumping inverters Recommended solar modules
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B.2 Recommended configuration for inverters with the boost module
PP100-3R2-PV
+
Solar pumping
inverter
Max. DC
input
current
Open-circuit voltage degree of solar module
37±1V
45±1V
(A)
Module
power±5Wp
Modules per
string * strings
Module
power±5Wp
Modules per
string * strings
GD100-0R4G-SS2-PV
12
250
4*1
300
3*1
GD100-0R7G-SS2-PV
12
250
5*1
300
4*1
GD100-1R5G-SS2-PV
12
250
8*1
300
7*1
GD100-0R4G-S2-PV
12
250
4*1
300
3*1
GD100-0R7G-S2-PV
12
250
5*1
300
4*1
GD100-1R5G-S2-PV
12
250
8*1
300
7*1
GD100-0R7G-4-PV
12
250
5*1
300
4*1
GD100-1R5G-4-PV
12
250
8*1
300
7*1
GD100-2R2G-4-PV
12
250
13*1
300
11*1
Goodrive100-PV series solar pumping inverters Inverter mains & PV switching solution
-73-
Appendix C Inverter mains & PV switching solution
C.1 Solution introduction
Generally, inverters do not allow simultaneous connection to mains and PV. If such simultaneous connection is required, switching control circuit must be configured externally. The figure below shows the solution for reference.
AC Input
(+)
S
T
AC breaker (QF1)
AC Contactor (KM1)
U
V
W
SPD(Surge Protection Device)
Fuse(FU)
M
R
S
T
R
(+)
(-)
GD100-PV
Inverter
B
C
A
+
-
Diode(D)
PV+
PV-
PV+
S
COM
HDI COM
PV Input
DC breaker (QF2)
Voltage Detection Circuit
RO1B RO1C
220V
~
KM1
QH100-PV Switching Module
A1
A2
PE
Figure C-1 Inverter mains & PV switching solution
Note: For the specifications and model selection of QH100-PV switching module, consult INVT local office.
C.1.1 QH100-PV switching module C.1.1.1 Models and specifications
QH100 – 055A – 4 – PV
① ② ③ ④ Switching module model description
Key
Sign
Description
Remarks
Product
abbreviation
①
Product
abbreviation
QH100 series mains&PV switching module
Goodrive100-PV series solar pumping inverters Inverter mains & PV switching solution
-74-
Key
Sign
Description
Remarks
Rated
current
②
Inverter power
055A: applies to inverters ≤15kW 110A: applies to inverters 18.5~37kW
Voltage
degree
②
Voltage degree
4: AC 3PH 380V(-15%)~440(+10%) 2: AC 3PH 220V(-15%)~240(+10%)
Industrial
code
④
Industrial code
PV stands for solar pumping.
C.1.1.2 Terminals of QH100-PV switching module
Terminal
Name
Function
PV +
PV input
Connects to the voltage detection board input and diode module positive pole.
PV –
PV input
Connects to the voltage detection board input.
(+)
Switching module
output
Connects to the diode module negative pole.
S, COM
Voltage detection
signal
Switching on/off signal, corresponding to PV voltage higher/lower than the threshold. Connects to inverter terminals HDI and COM.
C.1.1.3 Installation dimensions
Figure C-2 Switching module installation dimensions (unit: mm)
Note: To ensure the secure running, add external ventilation and heat dissipation measures.
1 1 5 . 7
90
65
2 40 2 3 1
6
Goodrive100-PV series solar pumping inverters Inverter mains & PV switching solution
-75-
C.1.1 Model selection reference for low-voltage apparatus
Model
AC
breaker
(A)
DC
breaker
(A)
AC
contactor
(A)
SPD
Fuse
Diode
I
FAV
/
V
RRM
GD100-0R4G-S2-PV-AS
16
16A/
1000VDC
16
Type
Ⅱ,
1000V
DC
30A
25A/16
00V
GD100-0R7G-S2-PV-AS
16
16
GD100-0R4G-SS2-PV-AS
16
16
GD100-1R5G-S2-PV-AS
25
25
GD100-0R7G-SS2-PV-AS
16
16
GD100-2R2G-S2-PV-AS
40
40
GD100-1R5G-SS2-PV-AS
25
25
GD100-2R2G-SS2-PV-AS
40
40
GD100-0R7G-4-PV-AS
10
12
Type
Ⅱ,
1000V
DC
30A
GD100-1R5G-4-PV-AS
10
12
GD100-2R2G-4-PV-AS
10
12
GD100-004G-4-PV-AS
25
25
55A/
1600V
GD100-5R5G-4-PV-AS
25
25A/
1000VDC
25
GD100-004G-2-PV-AS
25
25
GD100-7R5G-4-PV-AS
40
40
GD100-5R5G-2-PV-AS
40
63A/
1000VDC
40
GD100-011G-4-PV-AS
50
50
GD100-7R5G-2-PV-AS
50
50
GD100-015G-4-PV-AS
63
63
GD100-018G-4-PV-AS
63
100A/
1000VDC
63
110A/
1600V
GD100-022G-4-PV-AS
100
95
GD100-030G-4-PV-AS
100
95
GD100-037G-4-PV-AS
125
125A/
1000VDC
115
Goodrive100-PV series solar pumping inverters Inverter mains & PV switching solution
-76-
C.2 IP54 protection-level inverters
INVT provides IP54 protection-level inverters, which are divided into two types: One type implements auto mains & PV switching and the other type does not implement auto switching. The figure below shows the inverter dimensions.
Figure C-2 IP54 inverter dimensional drawing
IP54 inverter dimensions (unit: mm)
Power (kW)
Model
W H D A B
37
GD100-037G-45-PV-AS
650
1000
250
400
975
30
GD100-030G-45-PV-AS
22
GD100-022G-45-PV-AS
18.5
GD100-018G-45-PV-AS
15
GD100-015G-45-PV-AS
550
900
225
400
875
11
GD100-011G-45-PV-AS
7.5
GD100-7R5G-45-PV-AS
GD100-7R5G-25-PV-AS
5.5
GD100-5R5G-45-PV-AS
GD100-5R5G-25-PV-AS
4
GD100-004G-45-PV-AS
GD100-004G-25-PV-AS
Goodrive100-PV series solar pumping inverters Inverter mains & PV switching solution
-77-
Power (kW)
Model
W H D A B
2.2
GD100-2R2G-45-PV-AS
550
700
200
400
675
GD100-2R2G-S25-PV-AS
GD100-2R2G-SS25-PV-AS
1.5
GD100-1R5G-45-PV-AS
GD100-1R5G-S25-PV-AS
GD100-1R5G-SS25-PV-AS
0.75
GD100-0R7G-45-PV-AS
GD100-0R7G-S25-PV-AS
GD100-0R7G-SS25-PV-AS
0.4
GD100-0R4G-S25-PV-AS
GD100-0R4G-SS25-PV-AS
Note:
1. The inverters that do not implement auto switching do not have the suffix -AS.
2. The inverters ≤ 2.2kW are equipped with the boost module, supporting auto switching.
3. For -S25 and -SS25 models with the boost module, the DC input voltage cannot be greater than 440V. For -45 models with the boost module, the DC input voltage cannot be greater than 600V.
C.3 Wiring terminals
The following figures show the wiring terminals of different models for IP54 inverters.
+ - R S T N U V W
Figure C-3 Wiring terminals of 4-37kW models
Goodrive100-PV series solar pumping inverters Inverter mains & PV switching solution
-78-
+ - R S U V WT
Figure C-4 Wiring terminals of -4 models for inverters ≤2.2kW
+ - L U V WN
Figure C-5 Wiring terminals of -S2/-SS2 models for inverters ≤2.2kW
Wiring terminal functions
Terminal
Name
Function
R, S, T
AC input
3PH 380/220V AC input terminals, connected to the grid
N
Neutral wire. For 4-37kW models, use 3PH 4-wire distribution system and connect the neutral wire to terminal N.
L, N
AC input
1PH 220V AC input terminals, connected to the grid
(+), (-)
PV input
Solar cell panel input terminals
U, V, W
Inverter output
3PH/1PH AC output terminals, connected to pump motor Note: 1PH motors must connect to terminals U and W.
Safety
grounding
Safety grounding terminal. Each inverter must be grounded properly.
Note: It is at the bottom of the chassis.
C.4 Parameter setting method
Connect the external PV voltage detection signal to the HDI terminal (auto switching by default). Ensure that the PV voltage detection threshold is 300V for the -4 models and it is
200V for the -2/-S2/-SS2 models. After the correct connection, set P15.32 to 0.
Goodrive100-PV series solar pumping inverters Dimension drawings
-79-
Appendix D Dimension drawings
D.1 External keypad structure
Keypad structure
Installation hole
Note: The external keypad is optional for the inverters (380V; ≤2.2kW) and the standard keypad of inverters (380V; ≥4kW) can be used as the external keypad. If the keypad is externally installed on an optional bracket, it can be 20 meters away from the inverter at most.
Installation bracket Installation dimension
Goodrive100-PV series solar pumping inverters Dimension drawings
-80-
D.2 Dimensions of 0.4-2.2kW models
(a) Wall mounting
Dimensions in wall mounting (unit: mm)
Model
W1
W2
H1
H2
D1
D2
Installation
hole (d)
GD100-0R4G-S2-PV
80.0
60.0
160.0
150.0
123.5
120.3
5
GD100-0R7G-S2-PV
80.0
60.0
160.0
150.0
123.5
120.3
5
GD100-0R4G-SS2-PV
80.0
60.0
160.0
150.0
123.5
120.3
5
GD100-1R5G-S2-PV
80.0
60.0
185.0
175.0
140.5
137.3
5
GD100-2R2G-S2-PV
80.0
60.0
185.0
175.0
140.5
137.3
5
GD100-0R7G-SS2-PV
80.0
60.0
185.0
175.0
140.5
137.3
5
GD100-1R5G-SS2-PV
80.0
60.0
185.0
175.0
140.5
137.3
5
GD100-2R2G-SS2-PV
80.0
60.0
185.0
175.0
140.5
137.3
5
GD100-0R7G-4-PV
80.0
60.0
185.0
175.0
140.5
137.3
5
GD100-1R5G-4-PV
80.0
60.0
185.0
175.0
140.5
137.3
5
GD100-2R2G-4-PV
80.0
60.0
185.0
175.0
140.5
137.3
5
Goodrive100-PV series solar pumping inverters Dimension drawings
-81-
(b) Rail mounting
Dimensions in rail mounting (unit: mm)
Model
W1
H1
H3
H4
D1
D2
Installation
hole (d)
GD100-0R4G-S2-PV
80.0
160.0
35.4
36.6
123.5
120.3
5
GD100-0R7G-S2-PV
80.0
160.0
35.4
36.6
123.5
120.3
5
GD100-0R4G-SS2-PV
80.0
160.0
35.4
36.6
123.5
120.3
5
GD100-1R5G-S2-PV
80.0
185.0
35.4
36.6
140.5
137.3
5
GD100-2R2G-S2-PV
80.0
185.0
35.4
36.6
140.5
137.3
5
GD100-0R7G-SS2-PV
80.0
185.0
35.4
36.6
140.5
137.3
5
GD100-1R5G-SS2-PV
80.0
185.0
35.4
36.6
140.5
137.3
5
GD100-2R2G-SS2-PV
80.0
185.0
35.4
36.6
140.5
137.3
5
GD100-0R7G-4-PV
80.0
185.0
35.4
36.6
140.5
137.3
5
GD100-1R5G-4-PV
80.0
185.0
35.4
36.6
140.5
137.3
5
GD100-2R2G-4-PV
80.0
185.0
35.4
36.6
140.5
137.3
5
Goodrive100-PV series solar pumping inverters Dimension drawings
-82-
D.3 Dimensions of 4-37kW models
H1
H2
W1
W2
D2
Ø
D1
(a) Wall mounting
Dimensions in wall mounting (unit: mm)
Model
W1
W2
H1
H2
D1
D2
Installation
hole (d)
GD100-004G-4-PV
146.0
131.0
256.0
243.5
167.0
84.5
6
GD100-5R5G-4-PV
146.0
131.0
256.0
243.5
167.0
84.5
6
GD100-7R5G-4-PV
170.0
151.0
320.0
303.5
196.3
113.0
6
GD100-011G-4-PV
170.0
151.0
320.0
303.5
196.3
113.0
6
GD100-015G-4-PV
170.0
151.0
320.0
303.5
196.3
113.0
6
GD100-004G-2-PV
170.0
151.0
320.0
303.5
196.3
113.0
6
GD100-5R5G-2-PV
170.0
151.0
320.0
303.5
196.3
113.0
6
GD100-7R5G-2-PV
170.0
151.0
320.0
303.5
196.3
113.0
6
GD100-018G-4-PV
200.0
185.0
340.6
328.6
184.3
104.5
6
GD100-022G-4-PV
200.0
185.0
340.6
328.6
184.3
104.5
6
GD100-030G-4-PV
250.0
230.0
400.0
380.0
202.0
123.5
6
GD100-037G-4-PV
250.0
230.0
400.0
380.0
202.0
123.5
6
Goodrive100-PV series solar pumping inverters Dimension drawings
-83-
(b) Flange installation
Dimensions in flange installation (unit: mm)
Model
W1
W2
W3
W4
H1
H2
H3
H4
D1
D2
Installation
hole
Nut
specs
GD100-004G-4-PV
170.2
131
150
9.5
292
276
260
6
167
84.5
6
M5
GD100-5R5G-4-PV
170.2
131
150
9.5
292
276
260
6
167
84.5
6
M5
GD100-7R5G-4-PV
191.2
151
174
11.5
370
351
324
12
196.3
113 6 M5
GD100-011G-4-PV
191.2
151
174
11.5
370
351
324
12
196.3
113 6 M5
GD100-015G-4-PV
191.2
151
174
11.5
370
351
324
12
196.3
113 6 M5
GD100-004G-2-PV
191.2
151
174
11.5
370
351
324
12
196.3
113 6 M5
GD100-5R5G-2-PV
191.2
151
174
11.5
370
351
324
12
196.3
113 6 M5
GD100-7R5G-2-PV
191.2
151
174
11.5
370
351
324
12
196.3
113 6 M5
GD100-018G-4-PV
266
250
224
13
371
250
350.6
20.3
184.6
104 6 M5
GD100-022G-4-PV
266
250
224
13
371
250
350.6
20.3
184.6
104 6 M5
GD100-030G-4-PV
316
300
274
13
430
300
410
55
202
118.3
6
M5
GD100-037G-4-PV
316
300
274
13
430
300
410
55
202
118.3
6
M5
Note: In flange installation mode, select flange installation boards.
Goodrive100-PV series solar pumping inverters Further information
-84-
Appendix E Further information
E.1 Product and service inquiries
Address any inquiries about the product to your local INVT offices, quoting the type designation and serial number of the unit in question. A listing of INVT sales, support and service contacts can be found by navigating to www.invt.com.cn.
E.2 Feedback of INVT Inverters manuals
Your comments on our manuals are welcome. Go to www.invt.com.cn and select Online Feedback of Contact Us.
E.3 Document library on the Internet
You can find manuals and other product documents in PDF format on the Internet. Go to www.invt.com.cn and select Service and Support of Document Download.
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