INVT Goodrive30 VFD Series User manual

Goodrive30 Series VFD Change history
No.
Change description
Version
Release date
1
First release
V1.0
December 2020
2
…
…
…

Goodrive30 Series VFD Contents
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Contents
Contents....................................................................................................................................i
1 Safety precautions ...............................................................................................................1
1.1 Safety definition.............................................................................................................1
1.2 Warning symbols...........................................................................................................1
1.3 Safety guidelines ...........................................................................................................2
1.3.1 Delivery and installation........................................................................................2
1.3.2 Commissioning and operation..............................................................................3
1.3.3 Maintenance and component replacement ..........................................................3
1.3.4 What to do after scrapping....................................................................................4
2 Product overview..................................................................................................................5
2.1 Quick startup .................................................................................................................5
2.1.1 Unpacking inspection............................................................................................5
2.1.2 Checking before applying .....................................................................................5
2.1.3 Environment confirmation.....................................................................................5
2.1.4 Installation confirmation........................................................................................6
2.1.5 Basic commissioning ............................................................................................6
2.2 Product specification .....................................................................................................7
2.3 Product nameplate ........................................................................................................9
2.4 Mode code.....................................................................................................................9
2.5 Rated specifications ....................................................................................................10
2.6 Structure diagram........................................................................................................11
3 Installation guidelines........................................................................................................14
3.1 Mechanical installation ................................................................................................14
3.1.1 Installation environment......................................................................................14
3.1.2 Installation direction............................................................................................15
3.1.3 Installation mode.................................................................................................15
3.2 Standard wiring............................................................................................................17
3.2.1 Wiring of main circuit ..........................................................................................17
3.2.2 Main circuit terminals..........................................................................................17
3.2.3 Wiring procedure of the main circuit terminals ...................................................19
3.2.4 Wiring of control circuit .......................................................................................19
3.2.5 Control circuit terminals ......................................................................................20
3.2.6 Input/output signal connection diagram..............................................................22
3.3 Wiring protection..........................................................................................................23
3.3.1 Protecting the VFD and input power cable in short circuit..................................23
3.3.2 Protecting the motor and motor cable ................................................................23
3.3.3 Bypass connection..............................................................................................23
4 Keypad operation procedure ............................................................................................25

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4.1 Keypad introduction.....................................................................................................25
4.2 Keypad display ............................................................................................................28
4.2.1 Displaying stopped-state parameters.................................................................28
4.2.2 Displaying running-state parameters..................................................................28
4.2.3 Displaying fault information.................................................................................29
4.2.4 Editing function codes.........................................................................................29
4.3 Operatons on the keypad ............................................................................................29
4.3.1 Modifying VFD function codes............................................................................29
4.3.2 Setting a password for the VFD..........................................................................30
4.3.3 Viewing VFD status ............................................................................................31
5 Function parameter list......................................................................................................32
P00 group Basic functions.................................................................................................33
P01 group Start and stop control.......................................................................................40
P02 group Motor 1 parameters..........................................................................................45
P03 group Vector control...................................................................................................51
P04 group SVPWM control................................................................................................56
P05 group Input terminals .................................................................................................62
P06 group Output terminals...............................................................................................70
P07 group HMI ..................................................................................................................73
P08 group Enhanced functions .........................................................................................82
P09 group PID control .......................................................................................................90
P10 group Simple PLC and multi-step speed control........................................................95
P11 group Protection parameters......................................................................................99
P13 group SM control......................................................................................................103
P14 group Serial communication.....................................................................................105
P17 group Status viewing................................................................................................107
6 Fault tracking....................................................................................................................111
6.1 Fault prevention.........................................................................................................111
6.1.1 Periodical maintenance .................................................................................... 111
6.1.2 Cooling fan........................................................................................................114
6.1.3 Capacitor ..........................................................................................................115
6.1.4 Power cable......................................................................................................116
6.2 Fault handling............................................................................................................116
6.2.1 Indications of alarms and faults........................................................................116
6.2.2 Fault reset.........................................................................................................116
6.2.3 VFD faults and solutions...................................................................................117
6.2.4 Other states ......................................................................................................121
7 Communication protocol.................................................................................................122
7.1 Brief instruction to Modbus protocol..........................................................................122
7.2 Application of the VFD...............................................................................................122
7.2.1 2-wire RS485....................................................................................................122

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7.2.2 RTU mode.........................................................................................................125
7.3 RTU command code and communication data .........................................................129
7.3.1 Command code 03H, reading N words (continuously up to 16 words) ............129
7.3.2 Command word 06H, writing a word.................................................................130
7.3.3 Command code 08H, diagnosis........................................................................131
7.3.4 Command code 10H, continuous writing..........................................................132
7.4 Data address definition..............................................................................................133
7.4.1 Function code address format rules .................................................................133
7.4.2 Description of other function addresses...........................................................134
7.4.3 Fieldbus scale...................................................................................................137
7.4.4 Error message response ..................................................................................138
7.5 Read/Write operation example..................................................................................140
7.5.1 Examples of read command 03H .....................................................................140
7.5.2 Examples of write command 06H.....................................................................141
7.5.3 Examples of continuously write command 10H................................................142
7.6 Common communication faults .................................................................................144
Appendix A Technical data.................................................................................................145
A.1 Derated application ...................................................................................................145
A.1.1 Capacity ...........................................................................................................145
A.1.2 A.1.2 Derating...................................................................................................145
A.2 CE .............................................................................................................................146
A.2.1 CE marking.......................................................................................................146
A.2.2 EMC compliance declaration............................................................................146
A.3 EMC regulations........................................................................................................146
A.3.1 VFD category of C2..........................................................................................147
A.3.2 VFD category of C3..........................................................................................147
Appendix B Dimension drawings......................................................................................148
B.1 External keypad structure .........................................................................................148
B.2 VFD dimensions........................................................................................................149
Appendix C Optional peripheral accessories...................................................................155
C.1 Wiring of peripheral accessories...............................................................................155
C.2 Power supply ............................................................................................................157
C.3 Cables.......................................................................................................................157
C.3.1 Power cables....................................................................................................157
C.3.2 Control cables ..................................................................................................157
C.4 Breaker and electromagnetic contactor....................................................................158
C.5 Reactors....................................................................................................................160
C.6 Filters ........................................................................................................................161
C.6.1 C3 Filter model description ..............................................................................161
C.6.2 C3 Filter model selection..................................................................................162
C.6.3 C3 filter installation instruction .........................................................................163

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C.6.4 C2 Filter model description ..............................................................................163
C.6.5 C2 Filter model selection..................................................................................164
C.7 Braking resistors .......................................................................................................165
C.7.1 Braking resistor selection.................................................................................165
C.7.2 Braking resistor installation ..............................................................................167
Appendix D Further information........................................................................................168
D.1 Product and service queries .....................................................................................168
D.2 Feedback on INVT VFD manuals .............................................................................168
D.3 Documents on the Internet........................................................................................168

Goodrive30 Series VFD 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 variable-frequency drive (VFD). 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
related requirements
Warning:
Physical injury or damage to the devices may occur if not follow
related requirements
Note:
Physical hurt may occur if not follow related 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 installation,
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 related requirements are not
followed
Warning
Warning
Physical injury or damage to the devices
may occur if related requirements are not
followed
Do not
Electrostatic
discharge
Damage to the PCBA board may occur if
not related requirements are not followed
Hot sides
Hot sides
Sides of the device may become hot. Do
not touch.
Note
Note
Physical hurt may occur if related
requirements are not followed
Note

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1.3 Safety guidelines
Only qualified electricians are allowed to operate on the VFD.
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 VFD or until the DC bus voltage is less than 36V.
The waiting time list is as follows.
VFD module
Minimum waiting time
1PH 220V
0.4kW-2.2kW
5 minutes
3PH 220V
0.4kW-7.5kW
5 minutes
3PH 380V
0.75kW-110kW
5 minutes
Do not refit the VFD 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 VFD are electrostatic.
Take measurements to avoid electrostatic discharge during related
operation.
1.3.1 Delivery and installation
Please install the VFD on fire-retardant material and keep the VFD away
from combustible materials.
Connect the braking optional parts according to the wiring diagram.
Do not operate on the VFD if there is any damage or components loss to
the VFD.
Do not touch the VFD 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
VFD and avoid physical injury or death. For physical safety, the erector should take some
mechanical protective measurements, such as wearing exposure shoes and working
uniforms.
Ensure to avoid physical shock or vibration during delivery and installation.
Do not carry the VFD by its cover. The cover may fall off.
Install away from children and other public places.
The leakage current of the VFD 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. For models higher

Goodrive30 Series VFD Safety precautions
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than 30kW, the cross sectional area of the PE grounding conductor can be slightly less
than the recommended area.
R, S and T are the input terminals of the power supply, while U, V and W are the motor
terminals. Please connect the input power cables and motor cables with proper
techniques; otherwise, the damage to the VFD may occur.
1.3.2 Commissioning and operation
Disconnect all power supplies applied to the VFD before the terminal
wiring and wait for at least the designated time after disconnecting the
power supply.
High voltage is present inside the VFD during running. Do not carry out
any operation except for the keypad setting.
The VFD may start up by itself when P01.21=1. Do not get close to the
VFD and motor.
The VFD cannot be used as "Emergency-stop device".
The VFD cannot be 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 VFD frequently.
For VFDs 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 component replacement
Only qualified electricians are allowed to perform the maintenance,
inspection, and components replacement of the VFD.
Disconnect all power supplies to the VFD before the terminal wiring. Wait
for at least the time designated on the VFD after disconnection.
Take measures to avoid screws, cables and other conductive matters to
fall into the VFD during maintenance and component replacement.
Note:
Please select proper torque to tighten screws.
Keep the VFD, parts and components away from combustible materials during
maintenance and component replacement.
Do not carry out any isolation and pressure test on the VFD and do not measure the
control circuit of the VFD by megameter.

Goodrive30 Series VFD Safety precautions
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1.3.4 What to do after scrapping
The heavy metals inside the VFD should be treated as industrial effluent.
When the life cycle ends, the product should enter the recycling system.
Dispose of it separately at an appropriate collection point but not place it
in the normal waste stream.

Goodrive30 Series VFD Product overview
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2 Product overview
2.1 Quick startup
2.1.1 Unpacking inspection
Check as follows after receiving products:
1. Check whether the packing box is damaged or dampened. If yes, contact local dealers
or INVT offices.
2. Check the model identifier on the exterior surface of the packing box is consistent with
the purchased model. If no, contact local dealers or INVT offices.
3. Check whether the interior surface of packing box is abnormal, for example, in wet
condition, or whether the enclosure of the VFD is damaged or cracked. If yes, contact
local dealers or INVT offices.
4. Check whether the name plate of the VFD is consistent with the model identifier on the
exterior surface of the packing box. If no, contact local dealers or INVT offices.
5. Check whether the accessories (including user's manual and control keypad) inside the
packing box are complete. If not, please contact with local dealers or INVT offices.
2.1.2 Checking before applying
Check the machine before beginning to use the VFD:
1. Check the load type to verify that there is no overload of the VFD during work and
check whether the power class of the VFD needs to be increased.
2. Check whether the actual running current of the motor is less than the rated current of
the VFD.
3. Check whether the control accuracy required by the load is the same with that of the
VFD.
4. Check whether the grid voltage is consistent with the rated voltage of the VFD.
2.1.3 Environment confirmation
Check as follows before the actual installation and usage:
1. Check whether the ambient temperature of the VFD exceeds 40°C. If it exceeds 40°C,
derate 1% for every increase of 1°C. It is not recommended to use the VFD if the
ambient temperature exceeds 50°C.
Note: For the cabinet VFD, the ambient temperature means the air temperature inside
the cabinet.
2. Check whether the ambient temperature of the VFD in actual use is lower than -10°C. If
yes, use heating facilities.
Note: For the cabinet VFD, the ambient temperature means the air temperature inside
the cabinet.
3. Check whether the altitude of the VFD in actual use exceeds 1000m. If it exceeds
1000m, derate 1% for every increase of 100m. When the altitude exceeds 3000m,

Goodrive30 Series VFD Product overview
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consult the local INVT dealer or office for details.
4. Check whether the humidity of the actual usage site exceeds 90% and condensation
occurs. If yes, take additional protective measures.
5. Check whether the actual use site may be exposed to direct sunlight or may have the
chance of ingress of foreign objects. If yes, take additional protective measures.
6. Check whether there is dust, explosive gas, or flammable gas in the actual use site. If
yes, take additional protective measures.
2.1.4 Installation confirmation
Check the following after the VFD installation:
1. Check whether the load ranges of the input power cable and motor cable meet the
actual load requirement.
2. Check whether correct accessories are selected for the VFD, the accessories are
correctly and properly installed, and the installation cables meet the requirements of all
components (including the reactor, input filter, output reactor, output filter, DC reactor,
braking unit and braking resistor).
3. Check whether the VFD is installed on non-flammable materials and the heat-radiating
accessories (such as the reactor and braking resistors) are away from flammable
materials.
4. Check whether all control cables and power cables are run separately and the routing
complies with EMC requirement.
5. Check whether all grounding systems are properly grounded according to the
requirements of the VFD.
6. Check whether all the installation clearances of the VFD meet the requirements in the
operation manual.
7. Check whether the installation conforms to the instructions in the operation manual. It is
recommended that the VFD be installed uprightly.
8. Check whether the external connection terminals of the VFD are tightly fastened and
the torque is appropriate.
9. Check whether there are screws, cables, or other conductive items left in the VFD. If
yes, get them out.
2.1.5 Basic commissioning
Complete the basic commissioning as follows before the actual use of the VFD:
1. Autotuning. If possible, de-coupled from the motor load to start dynamic autotuning. Or
if not, static autotuning is available.
2. Adjust the ACC/DEC time according to the actual running of the load.
3. Commissioning the device via jogging and check that the rotation direction is as
required. If not, change the rotation direction by changing the wiring of motor.
4. Set all control parameters and then operate.

Goodrive30 Series VFD Product overview
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2.2 Product specification
Function
Specification
Power input
Rated input
voltage (V)
1PH 220V (-15%)–240V(+10%)
3PH 220V (-15%)–240V(+10%)
3PH 380V (-15%)–440V(+10%)
Rated input
current (A)
Refer to "Rated specifications".
Rated frequency
50Hz or 60Hz; allowed range: 47–63Hz
Power output
Output voltage (V)
0–input voltage
Output current (A)
Refer to "Rated specifications".
Output power
(kW)
Refer to "Rated specifications".
Output frequency
(Hz)
0–400Hz
Technical
control
performance
Control mode
SVPWM, SVC
Motor type
Asynchronous motor and permanent magnet
synchronous motor
Speed regulation
ratio
Asynchronous motor 1:100 (SVC), synchronous
motor 1:20 (SVC)
Speed control
precision
±0.2% (SVC)
Speed fluctuation
±0.3% (SVC)
Torque response
< 20ms ( (SVC)
Torque control
precision
10%
Starting torque
Asynchronous motor: 0.5Hz/150% (SVC)
Synchronous motor: 2.5 Hz/150% (SVC)
Overload capacity
150% for 1 minute, 180% for 10 seconds, and
200% for 1 second.
Running
control
performance
Frequency setting
method
Settings can be implemented through keypad
digits, analog, pulse frequency, multi-step speed
running, simple PLC, PID, Modbus
communication, and so on.
Settings can be combined and the setting
channels can be switched.
Automatic voltage
regulation
The output voltage can be kept constant although
the grid voltage changes.

Goodrive30 Series VFD Product overview
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Function
Specification
Fault protection
Provide comprehensive fault protection functions,
such as protection against overcurrent,
overvoltage, undervoltage, overtemperature,
phase loss, and overload.
Speed tracking
restart
Used to implement impact-free smooth startup for
rotating motors.
Peripheral
interface
Analog input
One input (AI2) 0–10V/0–20mA and 1 input (AI3)
-10–10V.
Analog output
Two inputs (AO1 and AO2) 0–10V/0–20mA.
Digital input
Four regular inputs; max. frequency: 1kHz;
One high-speed input; max. frequency: 50kHz
Digital output
One Y1 terminal output
Relay output
Two programmable relay outputs:
RO1A: NO; RO1B: NC; RO1C: common terminal;
RO2A: NO; RO2B: NC; RO2C: common terminal.
Contact capacity: 3A/AC250V
Others
DC reactor
DC reactors have been built in the 18.5kW and
higher VFD models as standard configuration.
Installation mode
Wall and rail installation for the 1PH 220V/3PH
380V (≤2.2KW) and 3PH 220V (≤0.75KW) VFD
models.
Wall and flange installation for the 3PH 380V
(≥4kW) and 3PH 220V (≥1.5kW) VFD models.
Braking unit
Braking units have been built in the 37kW and
lower VFD models as standard configuration.
Braking units have been built in the 45–110kW
VFD models as optional configuration.
EMI filter
3PH 380V (≥4kW) and 3PH 220V (≥1.5kW) VFD
models can satisfy the requirements of IEC
61800-3 C3, other models can satisfy the
requirements of IEC 61800-3 C3 by installing
optional external filter. The whole series can
satisfy the requirements of IEC 61800-3 C2 by
installing optional external filter.
Temperature of
running
environment
-10–+50°C; derating is required if the ambient
temperature exceeds 40°C.

Goodrive30 Series VFD Product overview
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Function
Specification
Altitude
Below 1000m.
When the altitude exceeds 1000m, derate by 1%
for every increase of 100m.
When the altitude exceeds 3000m, consult the
local INVT dealer or office for details.
Ingress protection
rating
IP20
Note: The VFD with plastic casing should be
installed in metal distribution cabinet, which
conforms to IP20 and of which the top conforms to
IP3X.
Safety
Meet the requirement of CE.
Cooling mode
Forced air cooling.
2.3 Product nameplate
Model: GD30-2R2G-S2
Power(output): 2.2kW
Input: AC1PH220V(-15%)-240V(+10%)24A47Hz-63Hz
Output: AC3PH0V-Uinput 10A0Hz-400Hz
Shenzhen INVT Electric Co., Ltd.
S/N: Made in China
IP20
Figure 2-1 Product nameplate
Note: This is a nameplate example of a standard VFD product. The CE/TUV/IP20 marking on
the top right will be marked according to actual certification conditions.
2.4 Mode code
The model code contains product information. You can find the model code on the VFD
nameplate or simplified nameplate.
GD30 –2R2G –S2
①②③
Figure 2-2 Product model
Field
No.
Description
Content
Abbreviation
of product
series
①
Abbreviation of
product series
GD30: Goodrive30 series VFD
Rated power
②
Power range +
Load type
2R2–2.2kW
G: Constant torque load

Goodrive30 Series VFD Product overview
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Field
No.
Description
Content
Voltage class
③
Voltage class
S2: AC 1PH 220V(-15%)–240V(+10%)
2: AC 3PH 220V(-15%)–240V(+10%)
4: AC 3PH 380V(-15%)–440V(+10%)
Note:
Braking units have been built in the 37kW and lower VFD models as standard configuration.
Braking units are not standard configuration for the 45–110kW VFD models. (If you want to
use braking units for these models, add suffix "-B" at the end of the model codes in your
purchase orders, for example, GD30-045G-4-B.)
2.5 Rated specifications
Model
Voltage
class
Output power
(kW)
Input current
(A)
Output current
(A)
GD30-0R4G-S2
1PH 220V
0.4
6.5
2.5
GD30-0R7G-S2
0.75
9.3
4.2
GD30-1R5G-S2
1.5
15.7
7.5
GD30-2R2G-S2
2.2
24
10
GD30-0R4G-2
3PH 220V
0.4
3.7
2.5
GD30-0R7G-2
0.75
5
4.2
GD30-1R5G-2
1.5
7.7
7.5
GD30-2R2G-2
2.2
11
10
GD30-004G-2
4
17
16
GD30-5R5G-2
5.5
21
20
GD30-7R5G-2
7.5
31
30
GD30-0R7G-4
3PH 380V
0.75
3.4
2.5
GD30-1R5G-4
1.5
5.0
4.2
GD30-2R2G-4
2.2
5.8
5.5
GD30-004G-4
4
13.5
9.5
GD30-5R5G-4
5.5
19.5
14
GD30-7R5G-4
7.5
25
18.5
GD30-011G-4
11
32
25
GD30-015G-4
15
40
32
GD30-018G-4
18.5
47
38
GD30-022G-4
22
51
45
GD30-030G-4
30
70
60
GD30-037G-4
37
80
75
GD30-045G-4
45
98
92
GD30-055G-4
55
128
115
GD30-075G-4
75
139
150

Goodrive30 Series VFD Product overview
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Model
Voltage
class
Output power
(kW)
Input current
(A)
Output current
(A)
GD30-090G-4
90
168
180
GD30-110G-4
110
201
215
2.6 Structure diagram
The following figure shows the structure of the VFD (3PH 380V, ≤2.2kW) (using the 0.75kW
VFD model as the example).
6
12
8
10
7
3
2
5
1
9
11
4
13
Figure 2-3 Product structure (3PH 380V, ≤2.2kW)
No.
Item
Description
1
External keypad port
Connect the external keypad.
2
Port cover
Protect the external keypad port.
3
Sliding cover
Protect the internal parts and components.
4
Hole for the sliding cover
Fix the sliding cover.
5
Trunking board
Protect the inner components and fix the cables of the
main circuit.
6
Product nameplate
See section 2.3 "Product nameplate" for detailed
information.
7
Potentiometer knob
Refer to Chapter 4 "Keypad operation procedure".
8
Control terminals
See Chapter 3 "Installation guidelines" for detailed
information.
9
Main circuit terminals
See Chapter 3 "Installation guidelines" for detailed
information.
10
Screw hole
Fix the fan cover and fan.

Goodrive30 Series VFD Product overview
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No.
Item
Description
11
Cooling fan
See Chapter 6 "Fault tracking" for detailed
information.
12
Fan cover
Protect the fan.
13
Bar code
The same as the bar code on the name plate.
Note: The bar code is on the middle shell which is
under the cover.
Note: In above figure, the screws at 4 and 10 are provided with packaging, and specific
installation depends on the requirements of customers.
The following figure shows the structure of the VFD (3PH 380V, ≥4kW) (using the 4kW VFD
model as the example).
Figure 2-4 Product structure (3PH 380V, ≥4kW)
No.
Item
Description
1
Keypad port
Connect the keypad.
2
Cover
Protect the internal parts and components.
3
Keypad
Refer to Chapter 4 "Keypad operation procedure".
4
Cooling fan
See Chapter 6 "Fault tracking" for detailed information.
5
Product nameplate
See section 2.3 "Product nameplate" for detailed
information.
6
Ventilation hole cover
Optional. Using the ventilation hole cover can enhance the
protection rating but also increase the internal temperature,
which requires derating.
7
Control terminals
See Chapter 3 "Installation guidelines" for detailed
information.

Goodrive30 Series VFD Product overview
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No.
Item
Description
8
Main circuit terminals
See Chapter 3 "Installation guidelines" for detailed
information.
9
The cable entry of
the main circuit
Fix the main circuit cables.
10
Simple nameplate
Refer to section 2.4 "Mode code".
11
Bar code
The same as the bar code on the name plate.
Note: The bar code is on the keypad, which is under the
keypad.

Goodrive30 Series VFD Installation guidelines
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3 Installation guidelines
The chapter describes the mechanical installation and electric installation of the VFD.
Only trained and qualified professionals are allowed to carry out the
operations mentioned in this chapter. Please carry out operations
according to instructions presented in chapter 1 "Safety precautions".
Ignoring these safety precautions may lead to physical injury or death, or
equipment damage.
Ensure the VFD power is disconnected before installation. If the VFD has
been powered on, disconnect the VFD and wait for at least the time
designated on the VFD.
Installation must be designed and done according to applicable local laws
and regulations. INVT does not assume any liability whatsoever for any
installation which breaches local laws and regulations. If
recommendations given by INVT are not followed, the VFD may
experience problems that the warranty does not cover.
3.1 Mechanical installation
3.1.1 Installation environment
Installation environment is essential for the VFD to operate at its best in the long run.
Environment
Condition
Installation
site
Indoors
Ambient
temperature
-10°C–+50°C, and the temperature changing rate is less than
0.5°C/minute.
When the ambient temperature exceeds 40°C, derate 1% for every
additional 1°C.
It is not recommended to use the VFD when the ambient
temperature is above 50°C.
In order to improve the reliability of the device, do not use the VFD if
the ambient temperature changes frequently.
Please provide cooling fan or air conditioner to control the internal
ambient temperature below the required one if the VFD is used in an
enclosed space such as in the control cabinet.
When the temperature is too low, if the VFD 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
The relative humidity (RH) of the air is less than 90%.
 Condensation is not allowed.