Wecon VD2 SA Series User manual

Wecon VD2 SA Series Servo Drives Manual (Lite V1.1)
WECON technology Co., Ltd
1
Wecon VD2 SA Series
Servo Drives Manual
(Lite V1.1)
Website: http://www.we-con.com.cn/en
Phone:[phone]
Date: September 24, 2022

Wecon VD2 SA Series Servo Drives Manual (Lite V1.1)
WECON technology Co., Ltd
2
Preface
This manual is applicable to Wecon VD2 Series absolute value servo drives (VD2 SA series).
In order to use this series of servo drives correctly, please read this manual carefully in advance and
save it for later use.
During use, if you have any doubts about the function and performance of this equipment, please
contact our technicians for relevant assistance to use this equipment smoothly.
The company's products are constantly being improved and upgraded, and the contents of this
manual are subject to change without notice.
This manual is suitable for introductory and use reference books for elementary and intermediate
readers. At the same time, all interpretation rights of this manual belong to our company.
The danger caused by failure to operate as required may result in serious injuries or even death.
The danger caused by failure to operate as required may result in moderate or minor injuries, and
equipment damage.

Wecon VD2 SA Series Servo Drives Manual (Lite V1.1)
WECON technology Co., Ltd
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User manual change record
The following table lists the servo driver models and supported firmware.
Supported models
Corresponding model
Supported
firmware
Wecon VD2SA
series servo drives
manual
VD2-010SA1G
VD2A
V1.10
V1.12
V1.13
VD2-014SA1G
VD2-016SA1G
VD2B
VD2-019SA1G
VD2-021SA1G
VD2-025SA1G
VD2B
V1.12
V1.13
VD2-030SA1G
VD2F-003SA1P
VD2F
V1.00
V1.01
V1.02
VD2F-010SA1P
VD2F-014SA1P

Wecon VD2 SA Series Servo Drives Manual (Lite V1.1)
WECON technology Co., Ltd
1
Contents
1. Safety reminder .........................................................................................................................1
1.1 Safety precautions ......................................................................................................................1
1.2 Precautions for storage and transportation ............................................................................ 2
1.3 Precautions during installation ................................................................................................ 2
1.4 Precautions during wiring .........................................................................................................3
1.5 Precautions during operation ................................................................................................... 3
1.6 Precautions during maintenance and inspection ....................................................................4
2. Product Information .................................................................................................................. 5
2.1 Servo drives ................................................................................................................................ 5
2.1.1 Servo drive model naming ..................................................................................................5
2.1.2 The composition of servo drive......................................................................................... 7
2.1.3 Specification of servo drive................................................................................................ 9
2.2 Servo motors ............................................................................................................................ 10
2.2.1 Servo motor model naming ..............................................................................................10
2.2.2 Composition of Servo motor ............................................................................................ 10
2.2.3 Specification of servo motor ............................................................................................ 11
3. Installation of servo drive and motor .......................................................................................12
3.1 Installation of servo drive....................................................................................................... 12
3.1.1 Dimensions (Unit: mm) .................................................................................................... 12
3.1.2 Installation site ..................................................................................................................13
3.1.3 Installation environment ..................................................................................................13
3.1.4 Installation matters .......................................................................................................... 14
3.2 Installation of servo motor ......................................................................................................17
3.2.1 Installation dimensions (unit: mm) .................................................................................17
3.2.2 Installation site ..................................................................................................................20
3.2.3 Installation environment ..................................................................................................20
3.2.4 Installation precautions ................................................................................................... 20
4. Wiring ..................................................................................................................................... 22
4.1 Main circuit wiring ...................................................................................................................22
4.1.1 Main circuit terminals .......................................................................................................22
4.1.2 Power wiring ..................................................................................................................... 25
4.1.3 Precautions for main circuit wiring .................................................................................29
4.2 Power line connection of servo drive and servo motor ........................................................ 29
4.2.1 Power line ..........................................................................................................................29
4.2.2 Brake device cable ............................................................................................................ 30
4.3 Encoder cable connection of servo drive and servo motor .............................................. 30
4.4 Servo drive control input and output wiring .........................................................................34
4.4.1 CN2 pin distribution ......................................................................................................... 34
4.4.2 Wiring diagram of each mode ..........................................................................................36
4.4.3 Position instruction input signal ..................................................................................... 38
4.4.4 Analog input signal ........................................................................................................... 40
4.4.5 Digital input and output signals .......................................................................................41
4.4.6 Brake wiring ...................................................................................................................... 46
4.5 Communication signal wiring ................................................................................................. 46
4.5.1 Communication connection with servo host computer (RS422) ..................................47
4.5.2 Communication connection with PLC and other device (RS485) .................................49

Wecon VD2 SA Series Servo Drives Manual (Lite V1.1)
WECON technology Co., Ltd
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5. Panel ....................................................................................................................................... 50
5.1 Panel composition ....................................................................................................................50
5.2 Panel display.............................................................................................................................50
5.2.1 Display switching .............................................................................................................. 51
5.2.2 Status display .................................................................................................................... 51
5.2.3 Parameter display............................................................................................................. 51
5.2.4 Fault display ...................................................................................................................... 53
5.2.5 Monitor display ................................................................................................................. 54
5.3 Panel operation ........................................................................................................................ 55
5.3.1 Parameter setting ..............................................................................................................55
5.3.2 Jog operation ..................................................................................................................... 56
5.3.3 Factory reset ......................................................................................................................57
6. Parameters .............................................................................................................................. 58
Group P00 Basic settings ...............................................................................................................58
Group P01 Control parameters .....................................................................................................62
Group P02 Gain adjustment .......................................................................................................... 66
Group P03 Self-adjusting parameters .......................................................................................... 67
Group P04 Vibration suppression ................................................................................................ 68
Group P05 Signal input and output .............................................................................................. 70
Group P06 DI/DO configuration ................................................................................................... 74
Group P07 multi-segment position .............................................................................................. 78
Group P10 Accessibility .................................................................................................................85
Group P12 Communication parameters .......................................................................................87
Group P13 Communication input and output terminal ..............................................................88
Group U0 Universal monitoring ....................................................................................................89
Group U1 Warning monitoring ..................................................................................................... 94
Group U2 Device monitoring .........................................................................................................96
7. Malfunctions ........................................................................................................................... 98
7.1 Faults and warnings handling at startup ............................................................................... 98
7.1.1 Position control mode ...................................................................................................... 98
7.1.2 Speed control mode .......................................................................................................... 99
7.1.3 Torque control mode ...................................................................................................... 100
7.2 Faults and warnings handling during operation ................................................................. 101
7.2.1 Overview ..........................................................................................................................101
7.2.2 Fault and warning code table .........................................................................................102
8. Modbus register address ....................................................................................................... 110
Group P00 Basic settings .........................................................................................................110
Group P01 Control parameter .................................................................................................111
Group P02 Gain adjustment .................................................................................................... 113
Group P03 Self-adjustment parameters .................................................................................113
Group P04 Vibration suppression .......................................................................................... 114
Group P05 Signal input and output ........................................................................................ 115
Group P06 DIDO configuration ............................................................................................... 116
Group P07 multi-segment position ........................................................................................ 118
Group P10 Accessibility ...........................................................................................................122
Group P12 Communication parameters .................................................................................123
Group P13 Virtual input terminal ...........................................................................................123
Group U0 Monitoring parameters .......................................................................................... 124

Wecon VD2 SA Series Servo Drives Manual (Lite V1.1)
WECON technology Co., Ltd
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Group U1 Warning monitoring ............................................................................................... 126
Group U2 Device monitoring ...................................................................................................127

Wecon VD2 SA Series Servo Drives Manual (Lite V1.1)
WECON technology Co., Ltd
1
1. Safety reminder
1.1 Safety precautions
This section describes the important items that users must observe, such as product confirmation,
storage, transportation, installation, wiring, operation, inspection, and dispoal. Please follow the
steps required by this manual for trial operation.
✎After the power is turned off for more than 5 minutes and the power indicator is off, use a
multimeter to confirm that the voltage across the high-voltage capacitor has dropped to a safe
voltage, and then proceed with the disassembly and assembly of the drive, otherwise the residual
voltage may cause electric shock.
✎Please never touch the inside of the servo drive, otherwise it may cause electric shock.
✎Please insulate the connection part of the power terminal, otherwise it may cause electric
shock.
✎The grounding terminal of the servo drive must be grounded, otherwise it may cause electric
shock.
✎Please install the servo drive, servo motor, and external braking resistor on non-combustible
materials, otherwise it may cause a fire.
✎Be sure to connect an electromagnetic contactor and a non-fuse circuit breaker between the
power supply and the main circuit power supply of the servo drive. Otherwise, when the
equipment fails, it may cause fire because it cannot cut off the large current.
✎In the servo drive and servo motor, please do not mix with oil, grease and other flammable
foreign objects and screws, metal pieces and other conductive foreign objects, otherwise it may
cause a fire.
✎When the servo motor is connected to the machine, if an operation error occurs, it will not
only cause damage to the machine, but also sometimes cause personal safety accidents.
✎Do not damage or pull the cable forcefully, do not subject the cable to excessive force, or place
heavy objects underneath, otherwise electric shock may occur, causing the product to stop
operating or burn out.
✎Do not use the brake of the brake motor for normal braking, otherwise it may cause a
malfunction.
✎Except for the designated operator, please do not set up, disassemble and repair the
equipment, otherwise it may cause electric shock or injury.
✎Do not remove the cover, cables, connectors and optional accessories while the power is on,
otherwise it may cause electric shock.
✎Please install a stop device on the machine side to ensure safety.
✎Please take measures to ensure that your personal safety will not be endangered when
restarting, otherwise it may cause injury.
✎Do not modify this product, otherwise it may cause personal injury or mechanical damage.

Wecon VD2 SA Series Servo Drives Manual (Lite V1.1)
WECON technology Co., Ltd
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1.2 Precautions for storage and transportation
Please keep and install in the following environment:
✎Places without direct sunlight;
✎Places where the ambient temperature does not exceed product specifications;
✎Places where the relative humidity does not exceed product specifications;
✎Places where condensation will not occur due to rapid changes in temperature;
✎Places free of corrosive gas and flammable gas;
✎Places without combustible materials nearby;
✎Places with less dust, salt and metal powder;
✎Places where there is no splash of water, oil, medicine, etc.;
✎Places where vibration or shock will not affect the product (places that exceed product
specifications);
✎Places that will not be exposed to radiation;
Storage or installation in environments other than the above may cause product failure or
damage:
✎Please use the correct method for handling according to the weight of the product;
✎Do not hold the motor cable or motor shaft for transportation;
✎When operating the servo unit and servo motor, please pay attention to sharp parts such as
the corners of the device.
1.3 Precautions during installation
✎Do not install this product in a place where water will be splashed or in an environment prone
to corrosion;
✎Please be sure to comply with the devices of the installation direction, otherwise it may cause
device failure;
✎When installing, please make sure to keep the specified distance between the servo drive and
the inner surface of the electric cabinet and other machines, otherwise it may cause fire or device
failure;
✎Do not apply excessive impact, otherwise it may cause equipment failure;
✎Do not sit on the product or place heavy objects on it, otherwise it may cause personal injury;
✎Do not use this product near flammable gases and combustibles, otherwise there may be a risk
of electric shock or fire;
✎Do not block the suction and exhaust ports, and do not allow foreign objects to enter the
product, otherwise it may cause device failure or fire due to the aging of internal components.

Wecon VD2 SA Series Servo Drives Manual (Lite V1.1)
WECON technology Co., Ltd
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1.4 Precautions during wiring
✎Do not connect the three-phase power supply to the output terminals U, V, W of the servo
drive, otherwise it may damage the device or cause a fire;
✎Please connect the output U, V, W of the servo drive and the U, V, W of the servo motor
directly. Do not use the electromagnetic contactor during the connection, otherwise it may cause
abnormal operation or malfunction of the device;
✎When the DO output terminals are connected to the relay, please pay attention to the polarity
of the freewheeling diode, otherwise the drive may be damaged and the signal can not be output
normally;
✎Please fix the power terminal and the motor terminal firmly, otherwise it may cause a fire
hazard;
✎Do not connect the 220V servo unit directly to the 380V power supply;
✎Do not pass the power line and signal line through the same pipe or bundle them together.
When wiring, the power line and signal line should be separated by more than 30cm;
✎Use twisted-pair shielded cables for signal cables and encoder cables, and the shielding layer
should be grounded at both ends;
✎The wiring length of the signal input line is recommended to be within 3M, and the wiring
length of the encoder is recommended to be within 15M;
✎When using in the following places, please take adequate shielding measures.
✎When interference occurs due to static electricity.
✎Places where strong electric or magnetic fields are generated;
✎Places where there may be radiation;
✎When checking the status, please make sure that the CHARGE indicator is off.
1.5 Precautions during operation
✎During trial operation, in order to prevent accidents, please run the servo motor without load
(not connected to the drive shaft), otherwise it may cause injury.
✎When the servo motor is running, do not touch its rotating part, otherwise it may cause injury.
✎Be sure to set the correct moment of inertia ratio, otherwise it may cause vibration.
✎When it is installed on the supporting machine and starts to run, please set the user
parameters in accordance with the machine in advance. If you start running without setting
parameters, it may cause the machine to lose control or malfunction.
✎When installing on the supporting machinery and starting to run, please put the servo motor in
a state where it can be stopped in an emergency at any time, otherwise you may get injured.
✎When using a servo motor on a vertical axis, please install a safety device to prevent the
workpiece from falling under alarm, overtravel, etc. states. In addition, please set the servo lock
stop setting when the overtravel occurs, otherwise the workpiece may fall in the overtravel state.
✎Since extreme user parameter adjustments and setting changes will cause the servo system to
become unstable, please never make settings, otherwise it may cause injury.

Wecon VD2 SA Series Servo Drives Manual (Lite V1.1)
WECON technology Co., Ltd
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✎When an alarm occurs, reset the alarm after removing the cause and ensuring safety, and
restart the operation, otherwise it may cause injury.
✎Except for special purposes, do not change the maximum speed value (P1-10). If you change it
carelessly, it may damage the machine or cause injury.
✎When the power is turned on and within a period of time after the power is cut off, the heat
sink of the servo drive, the external braking resistor, the servo motor, etc. may experience high
temperature. Please do not touch it, otherwise it may cause burns.
✎If the power supply is restored after an instantaneous power failure occurs during operation,
the machine may restart suddenly, so please do not approach the machine, and press the stop
button when the power is off, and operate after the power supply is stable.
1.6 Precautions during maintenance and inspection
✎The power on and off operation should be carried out by professional operators.
✎When testing the insulation resistance of the drive, please cut off all the connections with the
drive first, otherwise it may cause the drive to malfunction.
✎Do not use gasoline, alcohol, acid and alkaline detergents to avoid discoloration or damage to
the casing.
✎When replacing the servo drive, please transfer the user parameters of the servo drive to the
new servo drive before restarting operation, otherwise the machine may be damaged.
✎Do not change the wiring when the power is on, otherwise it may cause electric shock or injury.
✎Do not disassemble the servo motor, otherwise it may cause electric shock or injury.

Wecon VD2 SA Series Servo Drives Manual (Lite V1.1)
WECON technology Co., Ltd
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2. Product Information
2.1 Servo drives
2.1.1 Servo drive model naming
Figure 2-1 Servo drive model
Figure 2-2 (VD2A) and Figure 2-3 (VD2B) show the exterior and nameplate of the VD2 series
absolute value servo drive.
Figure 2-4 shows the exterior and nameplate of the VD2F series absolute value servo drive.
Servo model
Rated input
Rated output
Manufacture number
Please operate according to the manual
and connect PE well in case of accident.
Incorrect wiring may cause servo
overspeed and injury to the servo.
WARNING
Danger
Hot
Caution
Electric
D141312008281XXXXXXX
MADE IN CHINA
V1.0.0
WECON Technology Co.,Ltd.
Model:
Output:
VD2-014SA1G
3PH AC 0~240V 0~400Hz 14A
Input: 1PH/3PH AC 200~240V 50/60Hz
Please operate according to the manual
and connect PE well in case of accident.
Incorrect wiring may cause servo
overspeed and injury to the servo.
or power failure within 15min to avoid
electric shock
Do not touch the radiator to avoid burns
WARNING
Danger
Hot
Caution
Electric
Figure 2-2 Exterior and nameplate of VD2A servo drive

Wecon VD2 SA Series Servo Drives Manual (Lite V1.1)
WECON technology Co., Ltd
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Servo model
Rated input
Manufacture number
D141312008281XXXXXXX
MADE IN CHINA
V1.0.0
WECON Technology Co.,Ltd.
Model:
Output:
VD2-019SA1G
3PH AC 0~240V 0~400Hz 19A
Input: 1PH/3PH AC 200~240V 50/60Hz
Rated output
Please operate according to the manual
and connect PE well in case of accident.
Incorrect wiring may cause servo
overspeed and injury to the servo.
or power failure within 15min to avoid
electric shock
Do not touch the radiator to avoid burns
WARNING
Danger
Hot
Caution
Electric
Figure 2-3 Exterior and nameplate of VD2B servo drive
Servo model
Rated input
Manufacture number
D141312008281XXXXXXX
MADE IN CHINA
V1.0.0
WECON Technology Co.,Ltd.
Model:
Output:
VD2F-014SA1G
3PH AC 0~240V 0~400Hz 14A MAX
Input: 1PH/3PH AC 200~240V 50/60Hz
Rated output
Please operate according to the manual
and connect PE well in case of accident.
Incorrect wiring may cause servo
overspeed and injury to the servo.
or power failure within 15min to avoid
electric shock
Do not touch the radiator to avoid burns
WARNING
Danger
Hot
Caution
Electric
Figure 2-4 Exterior and nameplate of VD2F servo drive

Wecon VD2 SA Series Servo Drives Manual (Lite V1.1)
WECON technology Co., Ltd
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2.1.2 The composition of servo drive
Operation panel
High voltage indicator
L1
L2
L3
}
P+
C
D
U
V
W
}
}
Ground screw CN1:Encorder connector
CN3:RS422 communication port
C 5: RS485 communication port
C 6: RS485 communication port
Power input
Power input connector
Braking resistor
wiring
Motor power wire
Motor output connector
CN2:Control input and output terminals
N
N
Figure 2-5 Composition of VD2A servo drive
High voltage indicator
Power input terminal
Power input
Motor output terminal
Braking resistor wiring
Ground screw
CN5: R 4 5 communication portS 8
Cn6: RS4 5 communication port8
Cn3: R communication portS422
CN2: Control input and output terminal
CN1: Encoder connector
L1
L2
L3
L1C
L2C
}
P+
C
D
U
V
W
}
}
Figure 2-6 Composition of VD2B servo drive

Wecon VD2 SA Series Servo Drives Manual (Lite V1.1)
WECON technology Co., Ltd
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The 220V power supply specifications and 380V power supply specifications of the VD2B drive have
the same appearance and composition.
Opera on panel
High voltage indicator
CN 1: Encod er connector
C 2: connectorCo ntrol in put and output
Groun d screw
M ain pow er connector
L1
L2
P+
C
D
N
M o tor outpu t co n nector
U
V
W
PE
C 4: H ost com pu ter RS422 com m unica on
po rt or RS485 com m unica on port
C 3: H o st com pu ter RS422 com m unica on
po rt or RS485 com m unica on port
N
N
N
Figure 2-7 Composition of VD2F servo drive
Figure 2-8 Short connection of braking resistor

Wecon VD2 SA Series Servo Drives Manual (Lite V1.1)
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2.1.3 Specification of servo drive
Electrical specifications
Item
VD2A
VD2B
Model
VD2-010SA1G
VD2-014SA1G
VD2-016SA1G
VD2-019SA1G
Maximum output
current
10A
14A
16A
19A
Control power
supply
-
Single-phase AC 198 to 242V
50/60Hz
Power supply
Single-phase AC 198 to 242V, 50/60Hz
Braking resistor
External
Built-in and external
Built-in and external
Table 2-1 Electrical specification of single-phase 220V servo drive
Item
VD2F
Model
VD2F-003SA1P
VD2F-010SA1P
VD2F-014SA1P
Maximum output current
3A
10A
14A
Control power supply
-
Power supply
Single-phase AC 198 to 242V, 50/60Hz
Braking resistor
External
Built-in and external
Table 2-2 Electrical specification of single-phase 220V servo drive
Item
VD2B
Model
VD2-021SA1G
VD2-025SA1G
VD2-030SA1G
Maximum output current
21A
25A
30A
Control power supply
Single-phase AC 198 to 242V, 50/60Hz
Power supply
Three-phase AC 198 to 242V, 50/60Hz
Braking resistor
Built-in and external
Table 2-3 Electrical specification of three-phase 220V servo drive

Wecon VD2 SA Series Servo Drives Manual (Lite V1.1)
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2.2 Servo motors
2.2.1 Servo motor model naming
Figure 2-9 Servo motor naming
M a n u fa c t u re r c o d e
M o to r c o d e
N a m e p l a te
M o d e l
P a ra m e t e r
W ECO N Techn olo gy C o.,Ltd.
W D 8 0 M -0 7 53 0S -D 2 G
AC SERVO MOTOR
IN S :
IP : 65
F
Pn : 0 .75 KW In : 4.4A
Tn : 2.39N m
MADE IN CHINA
M034S7200828B00D0001
Motor Code XXXXXX ：
Serial nu mber
QR code
Figure 2-10 Servo motor nameplate
2.2.2 Composition of Servo motor
Motor housing
Motor shaft
Encoder connector
Power cable connector
Mounting hole
Figure 2-11 Motor composition of 40, 60 and 80 flange

Wecon VD2 SA Series Servo Drives Manual (Lite V1.1)
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Flange
Motor shaft
Motor housing
Encoder
Encoder socket
Motor power cable socket
Figure 2-12 Motor composition of 110 and 130 flange
2.2.3 Specification of servo motor
Wecon motor model
Motor
code
Flange
size
Rated
power
(KW)
Rated
torque
(N.m)
Voltage
(V)
Rated
speed
(rpm)
Encoder type
Brake
WE130M-10025S-A1F
A091
130
1.0
4.0
220
2500
17-bit single turn absolute magnetic
No
WE130M-15025S-A1G
A111
130
1.5
6.0
220
2500
17-bit single turn absolute magnetic
Yes
WE130M-26025S-C1F
C191
130
2.6
10
220
2500
17-bit multi turn absolute magnetic
No
WE80M-12030S-C1G
C231
80
1.2
4.0
220
3000
17-bit multi turn absolute magnetic
Yes
WE110M-18030S-D2G
D131
110
1.8
6.0
220
3000
23-bit multi turn absolute optical
Yes
WE130M-23015S-D2F
D161
130
2.3
15.0
220
1500
23-bit multi turn absolute optical
No
Table 2-1 Wecon Motor Specifications
✎Note: Only part of motor models are displayed, please refer to the “Model Selection Manual” for
details.

Wecon VD2 SA Series Servo Drives Manual (Lite V1.1)
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3. Installation of servo drive and motor
3.1 Installation of servo drive
3.1.1 Dimensions (Unit: mm)
43
160
156 33
152
5.2
Figure 3-1 Installation dimensions of VD2A servo drive
85
160
185 70
152
5.2
Figure 3-2 Installation dimensions of VD2B servo drive

Wecon VD2 SA Series Servo Drives Manual (Lite V1.1)
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Figure 3-3 Installation dimensions of VD2F servo drive
3.1.2 Installation site
1Please install it in an installation cabinet free from sunlight and rain;
2In a place without vibration;
3Please do not install in the environment of high temperature, humidity, dust and metal dust;
4Do not use this product near corrosive and flammable gases such as hydrogen sulfide, chlorine,
ammonia, sulfur, chlorinated gas, acid, alkali, salt, etc., or combustible materials.
3.1.3 Installation environment
The installation environment of the servo drive has a direct impact on the normal function of it and
its service life. Therefore, the installation environment of servo drive must meet the following
conditions:
Item
Specification
Ambient temperature
-10℃to 40℃(no freezing)
Ambient humidity
-20% to 90%RH (non-condensing)
Storage temperature
-20℃to 60℃
Storage humidity
-20% to 90%RH (non-condensing)
Protection grade
IP65
Vibration
Less than 0.5G (4.9m/s2), 10 to 60Hz (non-continuous operation)
Power Systems
TN system*
✎Note:
*: The neutral point of the power system is directly connected to the ground, and the exposed
metal components are connected to the ground through a protective grounding conductor.

Wecon VD2 SA Series Servo Drives Manual (Lite V1.1)
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3.1.4 Installation matters
(1) Installation specifications
In order to achieve a good cooling cycle effect, ensure that there is enough ventilation space around
it when installing the servo drive, and be sure to comply with the installation standards in the
control cabinet shown in the figure below, otherwise it may cause the drive to malfunction. For
typical minimum installation dimensions, please refer to Figure 3-4.
>50mm
>50mm
>20mm
>50mm
>50mm
>20mm >20mm
>50mm
>50mm
>20mm >20mm
CN2
CN1
Charge
VD2A VD2F
VD2B
Figure 3-4 Minimum installation size
(2) Parallel installation
When multiple units are installed in parallel, the minimum distance between each other should be
20mm, and the distance between each other should be at least 100mm. Please refer to Figure 3-5
and Figure 3-6 for details. To prevent temperature rise, a cooling fan can be placed on the upper
part. If you need a smaller spacing installation, please consult us.