Goodwe SDT G2 Series User manual

User Manual
Grid-Tied PV Inverter
SDT G2 Series
4-25kW
V1.1-2022-08-15

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User Manual V1.1-2022-08-15
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Content User Manual V1.1-2022-08-15
CONTENTS
"CPVU5IJT.BOVBM
"QQMJDBCMF.PEFM 
5BSHFU"VEJFODF 
4ZNCPM%FOJUJPO 
6QEBUFT 
4BGFUZ1SFDBVUJPO
(FOFSBM4BGFUZ 
%$4JEF 
"$4JEF 
*OWFSUFS*OTUBMMBUJPO 
1FSTPOBM3FRVJSFNFOUT 
1SPEVDU*OUSPEVDUJPO
"QQMJDBUJPO4DFOBSJPT 
4VQQPSUFE(SJE5ZQFT 
"QQFBSBODF 
1BSUT
%JNFOTJPO
*OEJDBUPST
/BNFQMBUF
$IFDLBOE4UPSBHF
$IFDL#FGPSF3FDFJWJOH 
%FMJWFSBCMFT 
4UPSBHF 
*OTUBMMBUJPO
*OTUBMMBUJPO3FRVJSFNFOUT 
*OWFSUFS*OTUBMMBUJPO 
.PWJOHUIF*OWFSUFS
*OTUBMMJOHUIF*OWFSUFS

III
Content
User Manual V1.1-2022-08-15
&MFDUSJDBM$POOFDUJPO
4BGFUZ1SFDBVUJPOT 
$POOFDUJOHUIF1&$BCMF 
$POOFDUJOHUIF17*OQVU$BCMF 
$POOFDUJOHUIF"$0VUQVU$BCMF 
$PNNVOJDBUJPO 
$POOFDUJOHUIF$PNNVOJDBUJPO$BCMFPQUJPOBM
*OTUBMMJOHUIF$PNNVOJDBUJPO.PEVMFPQUJPOBM
&RVJQNFOU$PNNJTTJPOJOH
$IFDL*UFNT#FGPSF4XJUDIJOH1PXFS0/ 
1PXFS0O 
4ZTUFN$PNNJTTJPOJOH
*OEJDBUPSTBOE#VUUPO 
4FUUJOH*OWFSUFS1BSBNFUFSTWJB-$% 
-$%.FOV*OUSPEVDUJPO
*OWFSUFS1BSBNFUFS*OUSPEVDUJPO
4FUUJOH*OWFSUFS1BSBNFUFSTWJB"QQ 
.POJUPSJOHWJB4&.41PSUBM 
.BJOUFOBODF
1PXFS0UIF*OWFSUFS 
3FNPWJOHUIF*OWFSUFS 
%JTQPTJOHPGUIF*OWFSUFS 
5SPVCMFTIPPUJOH 
3PVUJOF.BJOUFOBODF 
5FDIOJDBM1BSBNFUFST

1
01 About This Manual
User Manual V1.1-2022-08-15
Model Nominal Output Power Nominal Output Voltage
GW4K-DT 4KW 230/400, 3L/N/PE
GW4000-SDT-20 4KW 400, 3L/N/PE
GW5K-DT 5KW 230/400, 3L/N/PE
GW5000-SDT-20 5KW 400, 3L/N/PE
GW6K-DT 6KW 230/400, 3L/N/PE
GW6000-SDT-20 6KW 400, 3L/N/PE
GW8K-DT 8KW
400, 3L/N/PE
GW10KT-DT 10KW
GW12KT-DT 12KW
GW15KT-DT 15KW
GW17KT-DT 17KW
GW20KT-DT 20KW
GW25KT-DT 25KW
*:.$8'7 8KW
*:.$8'7 10KW
*:.$8'7 15KW
*:.$8'7 20KW
GW8000-SDT-20 8KW 3/N/PE, 220/380, 230/400,
240/415
GW10K-SDT-20 10KW
GW12K-SDT-20 12KW
GW12KLV-SDT-20 12KW 220/127, 3L/N/PE
GW15K-SDT-20 15KW 3/N/PE, 220/380, 230/400,
240/415
GW17K-SDT-20 17KW
GW20K-SDT-20 20KW
1 About This Manual
This manual describes the product information, installation, electrical connection,
commissioning, troubleshooting, and maintenance. Read through this manual before installing
DQGRSHUDWLQJWKHSURGXFW$OOWKHLQVWDOOHUVDQGXVHUVKDYHWREHIDPLOLDUZLWKWKHSURGXFW
features, functions, and safety precautions. This manual is subject to update without notice. For
PRUHSURGXFWGHWDLOVDQGODWHVWGRFXPHQWVYLVLWhttps://en.goodwe.com/.
1.1 Applicable Model
7KLVPDQXDODSSOLHVWRWKHOLVWHGLQYHUWHUVEHORZ6'7*IRUVKRUW
1.2 Target Audience
This manual applies to trained and knowledgeable technical professionals. The technical
personnel has to be familiar with the product, local standards, and electric systems.

2
01 About This Manual User Manual V1.1-2022-08-15
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1.4 Updates
The latest document contains all the updates made in earlier issues.
V1.0 2022-03-15
• First Issue
V1.1 2022-08-15
• 8SGDWH 8.2.1 LCD Menu Introduction.
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DANGER
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WARNING
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CAUTION
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NOTICE
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SUREOHPVWRVDYHWLPH

3
User Manual V1.1-2022-08-15 02 Safety Precaution
2 Safety Precaution
2.1 General Safety
2.2 DC Side
Notice
• The information in this document is subject to change due to product updates or other
reasons. This manual cannot replace the product labels or the safety precaution unless
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• Before installations, read through the user manual to learn about the product and the
precautions.
• $OOLQVWDOODWLRQVVKRXOGEHSHUIRUPHGE\WUDLQHGDQGNQRZOHGJHDEOHWHFKQLFLDQVZKRDUH
familiar with local standards and safety regulations.
• 8VHLQVXODWLQJWRROVDQGZHDUSHUVRQDOSURWHFWLYHHTXLSPHQWZKHQRSHUDWLQJWKH
HTXLSPHQWWRHQVXUHSHUVRQDOVDIHW\:HDUDQWLVWDWLFJORYHVFORWKVDQGZULVWVWULSVZKHQ
WRXFKLQJHOHFWURQGHYLFHVWRSURWHFWWKHLQYHUWHUIURPGDPDJH
• 6WULFWO\IROORZWKHLQVWDOODWLRQRSHUDWLRQDQGFRQࢉJXUDWLRQLQVWUXFWLRQVLQWKLVPDQXDO7KH
PDQXIDFWXUHUVKDOOQRWEHOLDEOHIRUHTXLSPHQWGDPDJHRUSHUVRQDOLQMXU\LI\RXGRQRW
IROORZWKHLQVWUXFWLRQV)RUPRUHZDUUDQW\GHWDLOVYLVLWhttps://en.goodwe.com/warranty.
asp .
Notice
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follow all the safety instructions and cautions before any operations. Improper operation
PLJKWFDXVHSHUVRQDOLQMXU\RUSURSHUW\GDPDJHDVWKHLQYHUWHUVDUHHOHFWULFDOHTXLSPHQW
DANGER
&RQQHFWWKH'&FDEOHVXVLQJWKHGHOLYHUHG'&FRQQHFWRUVDQGWHUPLQDOVThe manufacturer
VKDOOQRWEHOLDEOHIRUWKHHTXLSPHQWGDPDJHLIRWKHUFRQQHFWRUVRUWHUPLQDOVDUHXVHG
WARNING
• Ensure the component frames and the bracket system are securely grounded.
• Ensure the DC cables are connected tightly and securely.
• 0HDVXUHWKH'&FDEOHXVLQJWKHPXOWLPHWHUWRDYRLGUHYHUVHSRODULW\FRQQHFWLRQ$OVRWKH
YROWDJHVKRXOGEHXQGHUWKHSHUPLVVLEOHUDQJH
• 7KH39PRGXOHVXVHGZLWKWKHLQYHUWHUPXVWKDYHDQ,(&FODVV$UDWLQJ
• If there are more than 3 PV strings on input side, an additional fuse installation will be
suggested.
• :KHQH[SRVHGWRVXQOLJKWWKH39DUUD\ZLOOJHQHUDWHYHU\KLJKYROWDJHZKLFKFDQFDXVH
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4
02 Safety Precaution User Manual V1.1-2022-08-15
2.4 Inverter Installation
DANGER
• 7HUPLQDOVDWWKHERWWRPRIWKHLQYHUWHUFDQQRWEHDUPXFKORDG2WKHUZLVHWKHWHUPLQDOV
will be damaged.
• $OOODEHOVDQGZDUQLQJPDUNVPXVWEHFOHDUDQGGLVWLQFWDIWHUWKHLQVWDOODWLRQ'RQRWEORFN
alter, or damage any label.
• :DUQLQJODEHOVRQWKHLQYHUWHUDUHDVIROORZV
2.5 Personal Requirements
NOTICE
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safety precautions and correct operations.
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DQGUHSODFHWKHHTXLSPHQWRUSDUWV
2.3 AC Side
WARNING
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• $QDGGLWLRQDOSURWHFWLYHGHYLFHOLNHWKHFLUFXLWEUHDNHURUIXVHLVUHFRPPHQGHGRQWKH$&
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current.
• <RXDUHUHFRPPHQGHGWRXVHFRSSHUFDEOHVDV$&RXWSXWFDEOHV&RQWDFWWKHPDQXIDFWXUHU
if you want to use other cables.
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RࢆWKHLQYHUWHUࢉUVWEHIRUH
any operations.
Potential risks exist. Wear
proper PPE before any
operations.
Read through the guide
before any operations.
Delayed discharge. Wait until
the components are totally
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High-temperature hazard. Do
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Do not dispose of the product
as household waste. Discard
the product in compliance with
local laws and regulations,
or send it back to the
manufacturer.
CE marking. Grounding point. Indicates the
position for connecting the PE
cable.
RCM marking. 1$ 1$
NJO

5
User Manual V1.1-2022-08-15 03 Product Introduction
3 Product Introduction
3.1 Application Scenarios
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WKH'&SRZHUJHQHUDWHGE\WKH39PRGXOHLQWR$&SRZHUDQGIHHGVLWLQWRWKHXWLOLW\JULG7KH
LQWHQGHGXVHRIWKHLQYHUWHULVDVIROORZV
PV String ,QYHUWHU
Circuit
Breaker 8WLOLW\
Grid
Power
distribution
cabinet
Transformer
3.2 Supported Grid Types
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,QYHUWHU ,QYHUWHU ,QYHUWHU ,QYHUWHU
,QYHUWHU
L1
L2
L3
N
PE
PE
TN-S
L1
L2
L3
PEN
PE
TN-C
L1
L2
L3
N
PE
PE
TN-C-S
L1
L2
L3
N
PE
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L1
L2
L3
PE
IT

6
03 Product Introduction User Manual V1.1-2022-08-15
3.4 Appearance
3.4.1 Parts
GW4K-DT, GW4000-SDT-20, GW5K-DT,
GW5000-SDT-20, GW6K-DT, GW6000-
SDT-20
GW8K-DT, GW10KT-DT
GW12KT-DT, GW15KT-DT
1. LED Indicator 2. /&'RSWLRQDO 3. %XWWRQRSWLRQDO
4. PE Terminal 5. Mounting Plate 6. PV Input Terminal
7. DC Switch 8. 9HQWLODWLRQYDOYH 9. %OXHWRRWKRU:L)L/$1.LWRU
WiFi or 4G or GPRS Port
10. RS485 or Smart
Meter COM Port 11. DRED or Remote Shutdown COM Port 12. $&2XWSXW3RUW
13. Fan

7
User Manual V1.1-2022-08-15 03 Product Introduction
*:.$8'7*:.$8'7*:.$8'7
*:.$8'7*:.7'7*:.7'7
GW25KT-DT
GW8000-SDT-20, GW10K-SDT-20 GW12K-SDT-20, GW12KLV-SDT-20,
GW15K-SDT-20, GW17K-SDT-20,
GW20K-SDT-20
1. LED Indicator 2. /&'RSWLRQDO 3. %XWWRQRSWLRQDO
4. PE Terminal 5. Mounting Plate 6. DC Switch
7. 86%3RUW)RU%UD]LO
RQO\ 8. PV Input Terminal 39[1] 9. 39,QSXW7HUPLQDO39
10. DRED or Remote
Shutdown COM Port 11.
Bluetooth or Wi-Fi/
/$1.LWRU:L)LRU*RU
GPRS Port
12. RS485 or Smart Meter
COM Port
13. $&2XWSXW3RUW 14. 9HQWLODWLRQ9DOYH 15. Fan[2]
[1]: GW25KT-DT: 3 x PV+/PV-; other models: 2 x PV+/PV-
>@:LWKRXW)DQ*:.$8'7*:.$8'7

8
03 Product Introduction User Manual V1.1-2022-08-15
Name Description
PV Input Terminal 8VHGWRFRQQHFWWKH39PRGXOH'&LQSXWFDEOHV
DC Switch Start or stop DC input.
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9HQWLODWLRQYDOYH -
Communication
Port
8VHGWRFRQQHFWFRPPXQLFDWLRQPRGXOHVOLNH%OXHWRRWK:L)L/$1*
etc.
Smart Meter +
RS485 8VHGWRFRQQHFWWKH6PDUW0HWHURU56FRPPXQLFDWLRQFDEOH
'5('3LQ
/ Remote
6KXWGRZQSLQ
8VHGWRFRQQHFW'5('RUUHPRWHVKXWGRZQFRPPXQLFDWLRQFDEOH'5('
IRU$XVWUDOLDDQG1HZ=HDODQG5HPRWH6KXWGRZQRQO\IRU(XURSH
$&2XWSXW
Terminal 8VHGWRFRQQHFW$&RXWSXWFDEOH&RQQHFWWKHLQYHUWHUDQGWKHXWLOLW\JULG
Fans 8VHGWRFRROWKHLQYHUWHU:LWKRXW)DQ*:.$8'7*:.$8'7
LED Indicator ,QGLFDWHVZRUNLQJVWDWHRIWKHLQYHUWHU
LCD 2SWLRQDO8VHGWRFKHFNWKHSDUDPHWHUVRIWKHLQYHUWHU
Button 2SWLRQDO8VHGWRFRQWUROFRQWHQWVGLVSOD\HGRQWKH
screen.
Grounding Point 8VHGWRFRQQHFWWKH3(FDEOH
Mounting Plate 8VHGWRLQVWDOOWKHLQYHUWHU

9
User Manual V1.1-2022-08-15 03 Product Introduction
3.4.2 Dimension
Dimensions of GW4K-DT, GW4000-SDT-20, GW5K-DT, GW5000-SDT-20, GW6K-DT, GW6000-
SDT-20, GW10KT-DT:
433mm
354mm 147mm
200mm
45mm
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DT, GW25KT-DT, GW25KT-DT, GW8000-SDT-20, GW10K-SDT-20:
Dimensions of GW8K-DT, GW10KT-DT, GW12KT-DT, GW15KT-DT:
433mm
354mm 155mm
200mm
45mm
120mm
110mm 120mm
511mm
415mm 175mm

10
03 Product Introduction User Manual V1.1-2022-08-15
Dimensions of GW12K-SDT-20,GW12KLV-SDT-20, GW15K-SDT-20, GW17K-SDT-20, GW20K-SDT-20:
198mm
120mm
110mm 120mm
511mm
415mm

11
User Manual V1.1-2022-08-15 03 Product Introduction
Inverters Designed with LCD
3.4.3 Indicators
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EXWWRQVDQG/&'GLVSOD\RQWKHIURQWSDQHORIWKHLQYHUWHU/('LQGLFDWHVWKHZRUNLQJVWDWXVRI
WKHLQYHUWHU%XWWRQVDQG/&'DUHXVHGIRUFRQࢉJXUDWLRQDQGYLHZLQJSDUDPHWHUV
Indicator Status Description
21 :L)L,6&211(&7('$&7,9(
BLINK 1 = Wi-Fi SYSTEM IS RESETTING
%/,1. 127&211(&7('727+(5287(5
BLINK 4 = Wi-Fi SERVER PROBLEM
BLINK = RS485 IS CONNECTED
2)) :L)L,6127$&7,9(
ON = THE INVERTER IS FEEDING POWER
2)) 7+(,19(57(5,6127)((',1*32:(5$77+(020(17
21 $)$8/7+$62&&855('
2)) 12)$8/7

12
03 Product Introduction User Manual V1.1-2022-08-15
Inverters Designed without LCD
Indicator Status Description
21 (48,30(1732:(521
2)) (48,30(1732:(52))
ON = THE INVERTER IS FEEDING POWER
OFF = THE INVERTER IS NOT FEEDING POWER
6,1*/(6/2:)/$6+ 6(/)&+(&.%()25(&211(&7,1*72
THE GRID
6,1*/()/$6+ &211(&7,1*727+(*5,'
21 :,5(/(66,6&211(&7('$&7,9(
BLINK 1 = WIRELESS SYSTEM IS RESETTING
%/,1. :,5(/(665287(5352%/(0
BLINK 4 = WIRELESS SERVER PROBLEM
BLINK = RS485 IS CONNECTED
2)) :,5(/(66,6127$&7,9(
21 $)$8/7+$62&&855('
2)) 12)$8/7

13
User Manual V1.1-2022-08-15 03 Product Introduction
3.4.4 Nameplate
The nameplate is for reference only.
Goodwe trademark, product type, and
product model
Technical parameters
6DIHW\V\PEROVDQGFHUWLࢉFDWLRQPDUNV
Contact information and serial
number
Model
Product: Grid-Tied PV Inverter
Vmax PV: ****V d.c.
Isc PV: **.*/**.*Ad.c.
MPPT voltage range: ***...***Vd.c.
Max. PV current: **/**Ad.c.
Rated grid voltage:3/N/PE Va.c.~ ***/***,***/***,***/***
Max current: **.*A a.c.
AC-grid frequency: **/**Hz
Rated/Max apparent power: **/**kV A
Power factor range: Default >*.**,*.*cap...*.*ind
Overvoltage-category:
DC้bAC๊
IP degree: IP65
Protective class: Class่
Operating temperature range: -**...**°C
Inverter topology: Non-isolated
Rated
ϔ
active power: *kW
: *****-***
GoodWe Technologies Co.,Ltd.
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RࢆWKHLQYHUWHUEHIRUHDQ\
operations.
Potential risks exist. Wear proper
PPE before any operations.
Read through the user
manual before any
operations.
Delayed discharge. Wait until the
components are discharged after
SRZHURࢆ
High-temperature hazard.
'RQRWWRXFKWKHHTXLSPHQW
WRDYRLGEHLQJKXUW
Do not dispose of the product
as household waste. Discard the
product in compliance with local
laws and regulations, or send it
back to the manufacturer.
CE Mark. RCM Mark.
NJO

14
04 Check and Storage User Manual V1.1-2022-08-15
4 Check and Storage
4.1 Check Before Receiving
&KHFNWKHIROORZLQJLWHPVEHIRUHUHFHLYLQJWKHSURGXFW
1. Check the outer packing box for damage, such as holes, cracks, deformation, and others
VLJQVRIHTXLSPHQWGDPDJH'RQRWXQSDFNWKHSDFNDJHDQGFRQWDFWWKHVXSSOLHUDVVRRQDV
possible if any damage is found.
2. &KHFNWKHLQYHUWHUPRGHO,IWKHLQYHUWHUPRGHOLVQRWZKDW\RXUHTXHVWHGGRQRWXQSDFNWKH
product and contact the supplier.
3. &KHFNWKHGHOLYHUDEOHVIRUFRUUHFWPRGHOFRPSOHWHFRQWHQWVDQGLQWDFWDSSHDUDQFH&RQWDFW
the supplier as soon as possible if any damage is found.
4.2 Deliverables
,QYHUWHU; 39%R[;1
PV Box
%UDFNHW;1
3RVLWLYH39
Connector
;1
1HJDWLYH39
&RQQHFWRU;1
PE OT
7HUPLQDO;
Cross
6FUHZGULYHU;1
6FUHZ;1
Communication
&RQQHFWRU;1
$&3,1
7HUPLQDO;1
Mounting
%UDFNHW;1
$&&RQQHFWRU
;1
Communication
0RGXOH;1
Expansion
Bolt ;1
PIN Terminal
;1
Documentation
;
$&&RQQHFWRU
;1
Mounting
%UDFNHW;1
$&FDEOH27
7HUPLQDO;1

15
User Manual V1.1-2022-08-15 04 Check and Storage
NOTICE
• 7KHQXPEHURIH[SDQVLRQEROWVVFUHZV39FRQQHFWRUV$&FDEOH277HUPLQDODQG3,1
WHUPLQDOVDUHYDULRXVGHSHQGLQJRQWKHGLࢆHUHQWLQYHUWHUV7KHDFWXDODFFHVVRULHVPD\
GLࢆHU
• &RPPXQLFDWLRQPRGXOHW\SHVLQFOXGLQJ:L)L*/$1*356%OXHWRRWKHWF7KHDFWXDO
PRGXOHGHOLYHUHGGHSHQGVRQWKHFRPPXQLFDWLRQPHWKRGRIWKHVHOHFWHGLQYHUWHU
• 7KHPRGHORIWKH$&FRQQHFWRUDQGPRXQWLQJEUDFNHWDUHYDULRXVGHSHQGLQJWKHGLࢆHUHQW
LQYHUWHUV7KHDFWXDODFFHVVRULHVPD\GLࢆHU
• 2QO\PRGHO*:.$8'7DQG*:.$8'7DUHHTXLSSHGZLWK39ER[DQG39ER[EUDFNHW
4.3 Storage
,IWKHHTXLSPHQWLVQRWWREHLQVWDOOHGRUXVHGLPPHGLDWHO\SOHDVHHQVXUHWKDWWKHVWRUDJH
HQYLURQPHQWPHHWVWKHIROORZLQJUHTXLUHPHQWV
1. Do not unpack the outer package or throw the desiccant away.
2. 6WRUHWKHHTXLSPHQWLQDFOHDQSODFH0DNHVXUHWKHWHPSHUDWXUHDQGKXPLGLW\DUH
appropriate and no condensation.
3. 7KHKHLJKWDQGGLUHFWLRQRIWKHVWDFNLQJLQYHUWHUVVKRXOGIROORZWKHLQVWUXFWLRQVRQWKH
packing box.
4. 7KHLQYHUWHUVPXVWEHVWDFNHGZLWKFDXWLRQWRSUHYHQWWKHPIURPIDOOLQJ
5. ,IWKHLQYHUWHUKDVEHHQORQJWHUPVWRUHGLWVKRXOGEHFKHFNHGE\SURIHVVLRQDOVEHIRUHEHLQJ
put into use.

16
05 Installation User Manual V1.1-2022-08-15
5 Installation
5.1 Installation Requirements
1. 'RQRWLQVWDOOWKHHTXLSPHQWLQDSODFHQHDUࢊDPPDEOHH[SORVLYHRUFRUURVLYHPDWHULDOV
2. ,QVWDOOWKHHTXLSPHQWRQDVXUIDFHWKDWLVVROLGHQRXJKWREHDUWKHLQYHUWHUZHLJKW
3. ,QVWDOOWKHHTXLSPHQWLQDZHOOYHQWLODWHGSODFHWRHQVXUHJRRGGLVVLSDWLRQ$OVRWKH
installation space should be large enough for operations.
4. 7KHHTXLSPHQWZLWKDKLJKLQJUHVVSURWHFWLRQUDWLQJFDQEHLQVWDOOHGLQGRRUVRURXWGRRUV
The temperature and humidity at the installation site should be within the appropriate range.
5. ,QVWDOOWKHHTXLSPHQWLQDVKHOWHUHGSODFHWRDYRLGGLUHFWVXQOLJKWUDLQDQGVQRZ%XLOGD
sunshade if it is needed.
6. 'RQRWLQVWDOOWKHHTXLSPHQWLQDSODFHWKDWLVHDV\WRWRXFKHVSHFLDOO\ZLWKLQFKLOGUHQȆV
UHDFK+LJKWHPSHUDWXUHH[LVWVZKHQWKHHTXLSPHQWLVZRUNLQJ'RQRWWRXFKWKHVXUIDFHWR
DYRLGEXUQLQJ
7. ,QVWDOOWKHHTXLSPHQWDWDKHLJKWWKDWLVFRQYHQLHQWIRURSHUDWLRQDQGPDLQWHQDQFHHOHFWULFDO
connections, and checking indicators and labels.
8. ,QVWDOOWKHHTXLSPHQWDZD\IURPHOHFWURPDJQHWLFLQWHUIHUHQFH
Installation Environment Requirements
Mounting Support Requirements
1. 7KHPRXQWLQJVXSSRUWVKDOOEHQRQࢊDPPDEOHDQGࢉUHSURRI
2. Make sure that the support surface is solid enough to bear the product weight load.
3. 'RQRWLQVWDOOWKHSURGXFWRQWKHVXSSRUWZLWKSRRUVRXQGLQVXODWLRQWRDYRLGWKHQRLVH
generated by the working product, which may annoy the residents nearby.