i-MO SD1 Series User manual

OPERATION MANUAL
SD1 Series
AC Variable Speed Inverter Drives

SD1 Series Inverters Contents
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Contents
Contents....................................................................................................................................i
Chapter 1 Safety Precautions ................................................................................................1
1.1 Safety Definition ............................................................................................................1
1.2 Warning Symbols...........................................................................................................1
1.3 Safety Guide..................................................................................................................2
1.3.1 Delivery and installation........................................................................................2
1.3.2 Commissioning & operating..................................................................................3
1.3.3 Maintenance and component replacement ..........................................................3
1.3.4 Disposal................................................................................................................3
Chapter 2 Product Overview ..................................................................................................5
2.1 Quick Startup.................................................................................................................5
2.1.1 Unpacking inspection............................................................................................5
2.1.2 Application confirmation........................................................................................5
2.1.3 Environment confirmation.....................................................................................5
2.1.4 Installation confirmation........................................................................................6
2.1.5 Basic commissioning ............................................................................................6
2.2 Data Related to Safety Standards.................................................................................7
2.3 Decommissioning ..........................................................................................................7
2.4 Product Specification.....................................................................................................7
2.5 Product Nameplate......................................................................................................10
2.6 Mode Code..................................................................................................................10
2.7 Rated Specifications....................................................................................................11
2.8 Structure Diagram .......................................................................................................12
Chapter 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 of main circuit terminals...........................................................................18
3.2.4 Wiring of control circuit .......................................................................................19
3.2.5 Control circuit terminals ......................................................................................20
3.2.6 Input/output signal connection figure..................................................................22
3.3 Overview of STO Function ..........................................................................................23
3.3.1 Logic table for STO function ...............................................................................24
3.3.2 Description of STO channel delay ......................................................................24

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3.3.3 STO function installation checklist......................................................................25
3.4 Layout Protection.........................................................................................................25
3.4.1 Protecting the inverter and input power cable in short-circuit situations.............25
3.4.2 Protecting the motor and motor cables...............................................................26
3.4.3 Implementing a bypass connection ....................................................................26
Chapter 4 Keypad Operation................................................................................................27
4.1 Keypad Introduction.....................................................................................................27
4.2 Keypad Display............................................................................................................30
4.2.1 Stop mode parameter.........................................................................................30
4.2.2 Run mode parameter..........................................................................................30
4.2.3 Fault status .........................................................................................................30
4.2.4 Function codes editing........................................................................................30
4.3 Operations on the Keypad...........................................................................................31
4.3.1 Modifying inverter function codes .......................................................................31
4.3.2 Setting a password for the inverter.....................................................................32
4.3.3 Viewing inverter status........................................................................................32
Chapter 5 Function Parameters ...........................................................................................33
P00 Group Basic Functions...............................................................................................33
P01 Group Start and Stop Control.....................................................................................40
P02 Group Motor 1 Parameters ........................................................................................46
P03 Group Vector Control .................................................................................................49
P04 Group SVPWM Control..............................................................................................53
P05 Group Input Terminals................................................................................................57
P06 Group Output Terminals.............................................................................................65
P07 Group HMI..................................................................................................................68
P08 Group Enhanced Functions .......................................................................................74
P09 Group PID Control......................................................................................................83
P10 Group Simple PLC and Preset Speed Control...........................................................88
P11 Group Protection Parameters.....................................................................................91
P13 Group SM Control ......................................................................................................95
P14 Group Serial Communication.....................................................................................96
P17 Group Status Viewing.................................................................................................98
Chapter 6 Fault Tracking.....................................................................................................102
6.1 Fault Prevention ........................................................................................................102
6.1.1 Periodical maintenance ....................................................................................102
6.1.2 Cooling fan........................................................................................................104
6.1.3 Capacitor...........................................................................................................105
6.1.4 Power cable......................................................................................................106
6.2 Fault Solution.............................................................................................................107
6.2.1 Indications of alarms and faults ........................................................................107
6.2.2 Fault reset.........................................................................................................107

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6.2.3 Inverter faults and solutions..............................................................................107
6.2.4 Other states ......................................................................................................114
Chapter 7 Communication Protocol ..................................................................................115
7.1 Modbus Protocol Introduction....................................................................................115
7.2 Application .................................................................................................................115
7.2.1 Two-wire rs485..................................................................................................115
7.2.2 Rtu mode ..........................................................................................................118
7.2.3 Ascii mode.........................................................................................................121
7.3 Command Code and Communication Data...............................................................122
7.3.1 Rtu mode ..........................................................................................................122
7.3.2 Ascii mode.........................................................................................................126
7.4 Data Address Definition.............................................................................................129
7.4.1 Function code address format rules .................................................................129
7.4.2 Description of other function addresses in modbus..........................................130
7.4.3 Fieldbus scale...................................................................................................134
7.4.4 Error message response ..................................................................................135
7.5 Read/Write Operation Example.................................................................................137
7.5.1 Example of reading command 03h...................................................................137
7.5.2 Example of write command 06h .......................................................................137
7.5.3 Examples of continuously writing command 10h..............................................139
7.6 Common Communication Faults ...............................................................................141
Appendix A Technical Data.................................................................................................142
A.1 Ratings......................................................................................................................142
A.1.1 capacity ............................................................................................................142
A.1.2 derating.............................................................................................................142
A.2 CE .............................................................................................................................143
A.2.1 ce marking........................................................................................................143
A.2.2 compliance with the european emc directive ...................................................143
A.3 EMC Regulations ......................................................................................................143
A.3.1 inverters of category c2....................................................................................143
A.3.2 inverters of category c3....................................................................................144
Appendix B Dimension Drawings......................................................................................145
B.1 External Keypad Structure ........................................................................................145
B.2 Inverter Chart ............................................................................................................146
Appendix C Optional Peripheral Accessories..................................................................151
C.1 Wiring of Peripheral Accessories..............................................................................151
C.2 Power Supply............................................................................................................152
C.3 Cables.......................................................................................................................152
C.3.1 power cables....................................................................................................152
C.3.2 control cables...................................................................................................153
C.4 Breaker and Electromagnetic Contactor...................................................................154

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C.5 Reactors....................................................................................................................155
C.6 Filter..........................................................................................................................157
C.6.1 c3 filter model instruction .................................................................................157
C.6.2 c3 filter..............................................................................................................157
C.6.3 installation instruction for c3 filter.....................................................................158
C.6.4 c2 filter type instruction ....................................................................................158
C.6.5 c2 filter model selection....................................................................................159
C.7 Braking Resistors......................................................................................................160
C.7.1 selecting braking resistors................................................................................160
C.7.2 braking resistor installation...............................................................................161
Appendix D STO Function Description .............................................................................163
D.1 STO Function Logic Table.........................................................................................163
D.2 STO Channel Delay Description...............................................................................164
D.3 STO Function Installation Check List........................................................................164
Appendix E Further Information ........................................................................................166
E.1 Product and Service Inquiries ...................................................................................166
E.2 Feedback of IMO Inverter Manuals...........................................................................166
E.3 Documents on the Internet........................................................................................166

SD1 Series Inverters Safety Precautions
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Chapter 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.
Electrical equipment should be installed, operated, service and maintained only by competent
personnel. No responsibility is assumed by IMO Precision Controls Ltd for any consequences
arising out of the use of this product.
1.1 Safety Definition
Danger:
Serious physical injury or even death may occur if related
requirements are not followed.
Warning:
Physical injury or damage to the devices may occur if related
requirements are not followed.
Note:
Physical hurt may occur if related requirements are not followed.
Qualified
electricians:
People intending upon working on this device should be
appropriately qualified in electrical safety, should be in receipt of
the relevant safety certification and be familiar with all the steps
and requirements of installing, commissioning, operating and
maintenance of the device.
1.2 Warning Symbols
The warning symbols alert you to the conditions which can result in serious injury or death
and/or damage to the equipment and provides advice on how to avoid potential danger. The
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.
No touch Electrostatic
discharge
Damage to the PCBA board may
occur if 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

SD1 Series Inverters Safety Precautions
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1.3 Safety Guide
Only qualified electricians are allowed to operate on the inverter.
Do not perform any wiring, inspection, or component changes when the
power supply is connected. Ensure the power supply is disconnected
before wiring or any inspection takes place, and always wait for at least
the appropriate designated time, or until the DC bus voltage is less than
36V. See table below for waiting times:
INVERTER model
Minimum waiting time
1PH 230V
0.4kW~2.2kW
5 minutes
3PH 230V
0.4kW~7.5kW
5 minutes
3PH 400V
0.75kW~110kW
5 minutes
Do not carry out any unauthorized refitting of the inverter; otherwise, fire,
electric shock or other serious injury may occur.

The base of the heatsink may become hot during running. Do not touch to
avoid harm.
The electrical parts and components inside the inverter are electrostatic.
Take precautions to avoid electrostatic discharge during related operation.
1.3.1 Delivery and installation

Please install the inverter on fire-retardant material and keep the inverter
away from combustible materials.
Connect the optional brake parts (braking resistors, braking units, or
feedback units) according to the wiring diagram.
Do not work on or operate the inverter if there is any damage to the
inverter, or any component loss.
Do not touch the inverter with wet items; otherwise, electric shock may
occur.
Note:
Select appropriate tools for moving and installing the inverter to ensure a safe and normal
installation, avoiding physical injury or death. For physical safety, the installer should take
the necessary precautions, such as wearing protective shoes and working uniforms.
Ensure to avoid physical shock or vibration during delivery and installation.
Do not carry the inverter by its cover. The cover may fall off.
Install away from children and public places.
The leakage current of the inverter may be above 3.5mA during operation. Ground properly
and ensure the grounding resistor is less than 10Ω. The conductivity of PE grounding
conductor is the same as that of the phase conductor.
R, S and T are the input terminals of the power supply, while U, V and W are the motor

SD1 Series Inverters Safety Precautions
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terminals. Please connect the input power cables and motor cables properly; otherwise, the
damage to the inverter may occur.
1.3.2 Commissioning & operating

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 may start up by itself when P01.21=1. Do not get close to the
inverter and motor.
The inverter cannot be used as "Emergency-stop device".
The inverter cannot be used to brake the motor suddenly. A mechanical
brake 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 capacitance and ensure it
runs correctly before operation with motors. See Maintenance and Fault Diagnostics.
Cover the front board before running, otherwise electric shock may result.
1.3.3 Maintenance and component replacement

Only well-trained and qualified professionals are allowed to carry out
maintenance, inspection, and component replacement on the inverter.
Disconnect all power supplies to the inverter before terminal wiring. Wait
for at least the designated time after disconnection.
Take the necessary measures to avoid screws, cables, and other
conductive materials from falling into the inverter during maintenance and
component replacement.
Note:
Please use the appropriate amount of torque to tighten screws.
Keep the inverter, its parts, and components away from combustible materials during
maintenance and component replacement.
Do not perform any isolation or pressure tests on the inverter, and do not measure the
control circuit of the inverter using a megameter.
1.3.4 Disposal

The inverter contains heavy metals. At point of disposal, treat as industrial
waste.

SD1 Series Inverters Safety Precautions
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
When the life cycle ends, the product should enter the recycling system.
Dispose of it separately at an appropriate collection point instead of
placing it in the normal waste stream.

SD1 Series Inverters Product Overview
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Chapter 2 Product Overview
2.1 Quick Startup
2.1.1 Unpacking inspection
Check the following items after receiving the product.
1. Whether the packing box is damaged or dampened.
2. Whether the model identifier on the exterior surface of the packing box is consistent
with the purchased model.
3. Whether the interior surface of the packing box is abnormal, for example, in wet
condition, or whether the enclosure of the product is damaged or cracked.
4. Whether the nameplate of the product is consistent with the model identifier on the
exterior surface of the packing box.
5. Whether the accessories (including the user manual and control keypad) inside the
packing box are complete.
If any of the problems described in the check items are found, contact the local dealer or our
company.
2.1.2 Application confirmation
Confirm the following items before using the inverter.
1. Mechanical type of the load to be driven by the inverter. Check whether the inverter will
be overloaded in actual operation and whether the power level needs to be raised.
2. Whether the actual running current of the to-be-loaded motor is lower than the rated
current of the inverter.
3. Whether control precision implemented by the inverter meets the requirement of the
actual load.
4. Whether the supply voltage is consistent with the rated voltage of the inverter.
2.1.3 Environment confirmation
Check the following items before you install and use the inverter.
1. Whether the ambient temperature in the application is higher than 40°C. If yes, derate
the machine by 1% for every increased 1°C. Do not use the inverter in environments
where the temperature is higher than 50°C.
Note: If the inverter is installed in a cabinet, the ambient temperature is the air
temperature inside the cabinet.
2. Whether the ambient temperature in application is lower than ~10°C. If yes, configure a
heating device.
Note: If the inverter is installed in a cabinet, the ambient temperature is the air
temperature inside the cabinet.
3. When the altitude exceeds 3000m, consult the local IMO dealer or office for details.

SD1 Series Inverters Product Overview
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When the altitude exceeds 1000m, derate by 1% for every increase of 100m.
4. Whether the ambient humidity is higher than 90% or condensation occurs. If yes, take
extra protective measures.
5. Whether there is direct sunlight or biological invasion in the application environment. If
yes, take extra protective measures.
6. Whether there is dust or inflammable and explosive gas in the application environment.
If yes, take extra protective measures.
2.1.4 Installation confirmation
Check the following items after the installation of the inverter is complete.
1. Whether the input power cables, and motor cables meet the current-carrying capacity
requirements of the actual load.
2. Whether the peripheral accessories are correctly selected and properly installed, and
whether the installation cables meet the current-carrying capacity requirements of the
accessories, including the input reactor, input filter, output reactor, output filter, DC
reactor, braking unit, and braking resistor.
3. Whether the inverter is installed on non-flammable materials, and whether its
heat-emitting accessories (such as reactor and braking resistor) are kept away from
inflammable materials.
4. Whether all the control cables are wired separately from power cables, and whether
electromagnetic compatibility (EMC) specification requirements are taken into full
account during the wiring.
5.
Whether all the grounding systems are properly grounded according to the
requirements of the inverter.
6. Whether all the installation spacings of the inverter meet the requirements stated in the
manual.
7. Whether the installation of the inverter meets the requirements stated in the manual.
8. Check that the external connection terminals are tightly fastened and whether the
torque meets the requirements.
9. Whether screws, cables, or other conductive items drop into the inverter. If yes, take
them out.
2.1.5 Basic commissioning
Complete the basic commissioning as follows before using the inverter.
1. Perform autotuning if required. Remove the motor load, if possible, to perform dynamic
parameter autotuning; and if the load cannot be removed, you can perform static
autotuning.
2. Adjust the ACC/DEC time according to the actual operation conditions of the load.

SD1 Series Inverters Product Overview
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3. Perform commissioning on the machine in jogging mode and check whether the
rotating direction of the motor meets the requirement. If no, exchange the wires of any
two phases of the motor to change the running direction of the motor.
4. Set all control parameters and then run the machine.
2.2 Data Related to Safety Standards
IEC/EN 61508 (type A system)
ISO 13849**
SIL
PFH
HFT
SFF
λdu
λdd
PTI*
PL
CCF
MTTFd
DC
Category
2 8.73*10-10 1
71.23%
1.79*10-9 0 1 year d 57
343.76
year
60% 3
3 8.53*10-10 1
99.38%
0.64*10-10 3.3*10-9
3
months
e 57
207.04
year
98.09%
3
* PTI: proof test interval.
** According to the categorization defined in EN ISO 13849-1.
2.3 Decommissioning
Before decommissioning any safety system from active service:
Evaluate the impact of decommissioning on adjacent operating units and facilities or other
field services.
Conduct a proper review and obtain required authorization.
Ensure that the safety functions remain appropriate during decommissioning activities.
Implement appropriate change management procedures for all decommissioning activities.
2.4 Product Specification
Function
Specification
Power input
Input voltage (V) AC 1PH 200V~240V, rated voltage: 230V AC 3PH 200V~240V, rated voltage: 230V
AC 3PH 380V~480V, rated voltage: 400V
Allowable voltage
fluctuation
-15%~+10%
Input current (A)
Refer to section 2.7 "Rated Specifications".
Input frequency (Hz)
50Hz or 60Hz; allowed range: 47~63Hz
Power output
Output voltage (V)
0~input voltage
Output current (A)
Refer to section 2.7 "Rated Specifications".
Output power (kW)
Refer to section 2.7 "Rated Specifications".
Output frequency (Hz)
0~400Hz
Technical
control
feature
Control mode
SVPWM, SVC
Motor
Asynchronous motor
Adjustable-speed ratio
Asynchronous motor 1:100 (SVC)

SD1 Series Inverters Product Overview
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Function
Specification
Speed control accuracy
±0.2% (SVC)
Speed fluctuation
± 0.3% (SVC)
Torque response
<20ms (SVC)
Torque control accuracy
10%
Starting torque
0. 5Hz/150% (SVC)
Overload capability
150% of rated current: 1 minute
180% of rated current: 10 seconds
200% of rated current: 1 second
Running
control
feature
Frequency setting
method
Digital setting, analog setting, pulse frequency
setting, Preset
speed running setting, simple PLC
setting, PID setting, Modbus communication setting
Shift between the set combination and set channel.
Auto-adjustment of the
voltage
Keep a stable voltage automatically when the grid
voltage transients
Fault protection Provide comprehensive fault protection functions:
overcurrent, overvoltage, undervoltage,
overheating, phase loss and overload, etc.
Start after speed tracking
Smoothing starting for running motor
Peripheral
interface
Analog input
1 (AI2) 0~10V/0~20mA and 1 (AI3) -10~10V
Analog output
2 (AO1, AO2) 0~10V/0~20mA.
* AO2 output only available on SD1 >2.2kW
Digital input 4 common inputs, the max. frequency: 1kHz.
1 high speed input, the max. frequency: 50kHz
Digital output
1 Y1 terminal output
Relay output
2 programmable relay outputs
RO1A NO, RO1B NC, RO1C common terminal
RO2A NO, RO2B NC, RO2C common terminal
Contact capacity: 3A/AC250V
*Relay 2 output only available on SD1 > 2.2kW
Others
DC reactor
Standard embedded DC reactor for the inverters
(≥18.5kW)
Installation mode
Wall and rail installation of the inverter
s (single
phase 230V/three phase 400V, ≤2.2KW and three
phase 230V, ≤0.75KW)
Wall and flange installation of the inverters
(three
phase 400V, ≥4KW and three phase 230V, ≥1.5KW)
Braking unit Standard for the inverters≤
37kW and optional for
the inverters within 45~110kW

SD1 Series Inverters Product Overview
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Function
Specification
EMI filter
3PH 400V 4kW and above/3PH 230V 1.5kW and
above can comply with IEC 61800-
3 class C3,
others can meet requirements of IEC 61800-
3 class
C3 by installing external filter (optional). This series
of products can comply with IEC 61800-
3 class C2
by installing external filter (optional).
Ambient temperature
-10 to 50°C, derate 1% for every increased 1°C
when the temperature is higher than 40°C
Altitude
Below 1000m. If the elevation is above 1000m,
derate 1% for every additional 100m.
Ingress protection (IP)
rating
IP20
Note: The inverter with
plastic casing should be
installed in metal distribution cabinet which
conforms to IP20 and the top of which conforms to
IP3X.
Pollution level
Level 2
Safety regulation
Comply with CE requirements
Cooling mode
Forced air cooling

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2.5 Product Nameplate
Figure 2-1 Product nameplate
Note: These are product nameplate examples for the standard products. The mark such as
CE/TUV/IP20/UL will be applied according to the actual condition. The 1PH/3PH 220V models
of 2.2kW and lower and the 3PH 380V models of 11kW and lower have been UL certified.
2.6 Mode Code
The mode code contains information on the inverter.Users can find the mode code on the
nameplate attached to the inverter orthe simple nameplate.
SD1 – 2.5A – 43
① ②
③
Figure 2-2 Product model
Key No.
Detailed
description
Detailed content
Abbreviation of
product series
①Product
Abbreviation
SD1 = Series Name

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Key No.
Detailed
description
Detailed content
Rated current ②Rated Output
Current
2.5A= 2.5Amps continuous rating
Voltage class ③Supply Voltage 21:AC 1PH 200V (-15%) ~240V
(+10%)
23:AC 3PH 200V (-15%) ~240V
(+10%)
43:AC 3PH 380V (-15%) ~440V (+10%)
2.7 Rated Specifications
Model Voltage
degree Rated
output
power (kW) Rated input current (A)
Rated output
current (A) STO function
SD1-2.5A-21
Single
phase 230V
0.4
6.5
2.5
SIL2
SD1-4.2A-21
0.75
9.3
4.2
SD1-7.5A-21
1.5
15.7
7.5
SD1-10A-21
2.2
20
10
SD1-2.5A-23
Three phase
230V
0.4
3.7
2.5
SD1-4.2A-23
0.75
5
4.2
SD1-7.5A-23
1.5
7.7
7.5
SIL3
SD1-10A-23
2.2
11
10
SD1-16A-23
4
17
16
SD1-20A-23
5.5
21
20
SD1-30A-23
7.5
31
30
SD1-2.5A-43
Three phase
400V
0.75
3.4
2.5
SIL2
SD1-4.2A-43
1.5
5.0
4.2
SD1-5.5A-43
2.2
5.8
5.5
SD1-9.5A-43
4
13.5
9.5
SIL3
SD1-14A-43
5.5
19.5
14
SD1-18.5A-43
7.5
25
18.5
SD1-25A-43
11
32
25
SD1-32A-43
15
40
32
SD1-38A-43
18.5
47
38
SD1-45A-43
22
51
45
SD1-60A-43
30
70
60
SD1-75A-43
37
80
75
SD1-92A-43
45
98
92
SD1-115A-43
55
128
115
SD1-150A-43
75
139
150

SD1 Series Inverters Product Overview
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Model Voltage
degree Rated
output
power (kW) Rated input current (A)
Rated output
current (A) STO function
SD1-180A-43
90
168
180
SD1-215A-43
110
201
215
2.8 Structure Diagram
The following figure shows the structure of the inverter (3PH 400V, ≤2.2kW) (using the 0.75kW
inverter model as the example).
Figure 2-3 Product structure (3PH 400V, ≤2.2kW)
No.
Name
Description
1
External keypad port
Connect the external keypad
2
Port cover
Protect the external keypad port
3
Cover
Protect the internal parts and components
4
Hole for the sliding cover
Fix the sliding cover
5 Gland plate
Protect the inner components and fix the cables of the
main circuit
6
Name plate
See section 2.5 "Product Nameplate" for details.
7
Potentiometer knob
Refer to Chapter 4 "Keypad Operation".
8
Control terminals
See Chapter 3 "Installation Guidelines" for details.
9
Main circuit terminals
See Chapter 3 "Installation Guidelines" for details.
10
Screw hole
Fix the fan cover and fan.
11
Cooling fan
See Chapter 6 "Fault Tracking" for details.
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

SD1 Series Inverters Product Overview
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No.
Name
Description
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 inverter (3PH 400V, ≥4kW) (using the 4kW
inverter model as the example).
Figure 2-3 Product structure (Three phase 400V, ≥4kW)
No.
Name
Description
1
External keypad port
Connect the external keypad
2
Cover
Protect the internal parts and components
3
Keypad
Refer to Chapter 4 "Keypad Operation".
4
Cooling fan
See Chapter 6 "Fault Tracking" for details
5
Name plate
See section 2.5 "Product Nameplate" for details.
6 Cover for the heat
emission hole
Optional, enhancement of the protective degree. It
is necessary to derate the inverter
because the
internal temperature is increasing
7
Control terminals
See Chapter 3 "Installation Guidelines" for details.
8
Main circuit terminals
See Chapter 3 "Installation Guidelines" for details.
9
The cable entry of the
main circuit
Fix the cables
10
Simple name plate
Refer to section 2.6 "Mode Code".
11 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

SD1 Series Inverters Installation Guidelines
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Chapter 3 Installation Guidelines
The chapter describes the mechanical installation and electric installation of the inverter.

Only qualified electricians are allowed to carry out what described in this
chapter. Please operate as the instructions in Chapter 1 "Safety
Precautions".Ignoring these safety precautions 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 be 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
-10°C to
+50°C, and the temperature changing rate is less than
0.5°C/minute.
If the ambient temperature of the inverter
is above 40°C, derate 1% for
every additional 1°C.
It is not recommended to use the inverter
if the ambient temperature is
above 50°C.
To improve the reliability of the device, do not use the inverter
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 inverter is used in a closed sp
ace
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 ma
y
occur.
Humidity 
RH ≤90%.

No condensation is allowed.

SD1 Series Inverters Installation Guidelines
-15-
Environment
Conditions
Storage
temperature
-40°C to +70°C, and the temperature changing rate is less than 1°C/minute.
Running
environment
condition
The installation site of the inverter should fulfill the following requirements.
Away from electromagnetic radiation sources.
Away from oil mist, corrosive gases, and combustible gases.
Ensure foreign object like metal powder, dust, oil,
and water will not fall into
the inverter (do not install the inverter onto combustible object like wood).
Away from radioactive substance and combustible objects.
Away from harmful gases and liquids.
Low salt content.

No direct sunlight.
Altitude
Below 1000m.
When the altitude exceeds 3000m, consult the local IMO
dealer or office for
details.

When the altitude exceeds 1000m, derate by 1% for every increase of
100m.
Vibration
Max. vibration acceleration: 5.8m/s
2
(0.6g)
Installation
direction
The inverter
should be installed on an upright position to ensure sufficient
cooling effect.
Note:
SD1 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. Refer to Appendix B "Dimension Drawings" for details.
3.1.3 Installation mode
a) Wall and rail mounting for the inverters (single phase 230V/three phase 400V, ≤2.2KW and
three phase 230V, ≤0.75KW)