Kohler Finial K-20012T-CP User manual

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科勒公司保留任何时候不经通知即可改变产品特
性、包装或产品可供类型的权利。
说明书包括重要的安装、保养及清洁方面的内容，
请把这些资料交给用户阅读。
Finial Sensor Faucet
芬尼奥台盆感应龙头（单冷型/不含电源盒/0.5GPM）
FINIAL COLD ONLY(W/O P)0.5GPM
芬尼奥台盆感应龙头 (冷热混合型/不含电源盒/0.5GPM）
FINIAL MIXER(W/O P)0.5GPM
芬尼奥台盆感应龙头（单冷型/不含电源盒/0.35GPM）
FINIAL COLD ONLY(W/O P)0.35GPM
芬尼奥台盆感应龙头（单冷型/不含电源盒/0.26GPM）
FINIAL COLD ONLY(W/O P)0.26GPM
芬尼奥台盆感应龙头（单冷型/不含电源盒/0.5GPM）
FINIAL COLD ONLY(W/O P)0.5GPM
芬尼奥台盆感应龙头（冷热混合型/不含电源盒/0.5GPM）
FINIAL MIXER(W/O P)0.5GPM
芬尼奥台盆感应龙头-典雅黑（单冷型不含电源盒0.5GPM）
FINIAL SENSOR FAUCET COLD ONLY(W/O P)2BZ
芬尼奥台盆感应龙头-罗曼银（单冷型不含电源盒0.5GPM）
FINIAL SENSOR FAUCET COLD ONLY(W/O P)BN
芬尼奥台盆感应龙头-玫瑰金（单冷型不含电源盒0.5GPM）
FINIAL SENSOR FAUCET COLD ONLY(W/O P)RGD
安装之前
1
All information is based on the latest product information
available at the time of publication, Kohler Co. reserves the
right to make changes to product characteristics, packaging,
or availability at any time without notice. Please deliver these
instructions for the consumer. They contain important
installation, maintenance and cleaning information.
BEFORE YOU BEGIN
1293596-T01-A
1
科勒（中国）投资有限公司
中国上海市闸北区江场三路158号 邮编：200436
制造商：上海科勒电子科技有限公司
中国上海市宝山区丰翔路1955号 邮编:200444
K-20012T-CP
K-20013T-CP
K-20012T-S3-CP
K-20012T-S5-CP
K-20012H-CP
K-20013H-CP
K-20012T-2BZ
K-20012T-BN
K-20012T-RGD

2
1293596-T01-A
维修交流龙头时，必须断开交流电源并关闭
水源。
Turn off the electrical source and shut down water
supply before servicing faucet.
1. 手伸到出水口下方感应范围
内（感应距离随面盆、周围的情
况而自动调节），水龙头出水。
手离，0.5～1秒，水龙头自动止
水。
使用说明 OPERATING INSTRUCTIONS
2. 冷热混水龙头水温调节：先
关闭热水角阀，再将冷水角阀旋
至冷水最大状态，再缓慢打开热
水角阀，以免烫伤。如冷水水压
大，打开全部热水角阀后，仍无
合适水温，请再缓慢减少冷水出
水量，直至水温使用舒适。
1. Place your hands under the faucet within the
sensor range ( the sensor range will auto-adjust
to its surroundings , the faucet should be on.)
The faucet will automatically turn off after 0.5~1
second after moving your hands away from the
sensor. The sensing distance will be adjusted
automatically per the condition of the lavatory
and surrounding environment.
Adjust the water temp for faucet with
temperature mixture: turn off hot water valve
first, and then turn on the water and adjust to full
cold, slowly turn on hot water valve to avoid
scalding. If cold water pressure is high and
unable to gain proper comfortable water temp
even hot water valve is fully open, turn down
cold water capacity slowly until water temp is
comfortable for use.
2.
2
10.
11.
对于冷热混水龙头，先将连接热水的角阀关
闭，以免烫伤。
12.
修理面盆时，用黑色电工胶布粘住感应窗口。 11.
For faucet with temperature mixer, please turn off valve
before connecting to hot water to avoid scalding.
12.
Cover the sensing window with black tape when repairing
lavatories.
6. 对于交流龙头，安装时务必按照说明书的要求
正确连接导线，龙头安装完毕后才可向电源盒供
电。
7. 一个交流电源盒最多可供两个感应龙头。
8. 交流电的总电源必须有合适熔断丝加以保护。
9. 请勿使产品感应窗口靠近强紫外线或电磁场。
6. For electric connection on AC faucets, carefully follow the
installation instructions provided. Only provide to the electric
power box after the installation is conpleted.
7. Only install a maximum of two faucets to one AC/DC
transformer.
8. Ensure electrical source is fitted with a suitable fuse to
protect AC/DC transformer unit from damage.
9. Do not put the faucet near strong ultraviolet or
electromagnetic field.
安装之前（续） BEFORE YOU BEGIN(Continued)
10.
1.一定要先彻底冲洗供水管以清除管道中的杂质,
使用水源为自来水或可供饮用水。
2. 请勿将强力及冲击施于产品，以免造成故障，
引起漏水。
3. 安装、清洁龙头时，切勿损伤感应窗口表面，
以免造成故障。
NOTES:
注意事项:
1. Flush the water supply pipes thoroughly to remove debris.
Faucet is designed for tap water or potable water.
2. Handle the faucet with care to avoid damaged.
3. Do not damage the surface of sensing window when
installing or cleaning the faucet.
4. 如果是安装新的洗面盆，可将水龙头和排水组
件先安装好到面盆上。
4. For new installations, install the faucet and drain to the
lavatory before installing the lavatory.
5. 对于直流龙头，安装时注意电池的正负极不能
装反，电池盒盖要拧紧，防止电池受潮。
5. As for DC type faucets, please pay special attention to
insert direction matches battery poles. Tighten the battery
cover completely to prevent its exposure to moisture.

K-2759T-1 皓玥修边式台上盆
K-2075T-1 史瑞夫台上脸盆
K-2351T-1 希玛龙台上脸盆
K-2196T-1 斑宁登修边式台上脸盆
K-2009T-1 富丽奥修边式台上脸盆
K-2881 维克椭圆形台下脸盆
K-2883 维克圆形台下脸盆
K-2339T 梅玛台下脸盆
K-2940T 温蒂斯大尺寸台下脸盆
K-2240T 温蒂斯台下脸盆
K-2319 贝卡夫台下盆
K-2768T-1 皓玥台下盆
K-2215T-M 拉蒂纳台下脸盆
K-2751T 希玛龙台下盆
K-2336T 蒂梵诗台下脸盆
K-99184T 乔司 21"椭圆形台下盆
K-97011T 乔司16"正圆形台下盆
K-97012T 乔司16"正圆形台下盆
K-2210T 卡斯登台下脸盆
K-2211T 卡斯登台下脸盆
K-2219T 利尼亚台下脸盆
1293596-T01-A
3
注意：如果使用非推荐的脸盆，可能会
产生溅水在脸盆外面感应效果差等情况。
NOTE: Use of a non-recommended lavatory may result
in water spillage outside the lavatory which will cause the
poor sensing problem.
K-2759T-1 Karess Self-rimming Lavatory
K-2075T-1 Serif® Self-rimming Lavatory
K-2351T-1 Cimarron® Self-rimming Lavatory
K-2196T-1 Pennington® Self-rimming Lavatory
K-2009T-1 Folio® Self-rimming Lavatory
K-2881 Verticyl® Oval Undercounter Lavatory
K-2883 Verticyl® Round Undercounter Lavatory
K-2339T MEMOIRS® Undercounter Lavatory
K-2940T Vintage® Undercounter Lavatory
K-2240T Vintage® Undercounter Lavatory
K-2319 Bancroft® Undercounter Lavatory
K-2768T-1 Karess Undercounter Lavatory
K-2215T-M Ladena® Undercounter Lavatory
K-2751T Cimarron® Undercounter Lavatory
K-2336T DEVONSHIRE® Undercounter Lavatory
K-99184T Chalice™ Undercounter Lavatory
K-97011T Chalice™ Undercounter Lavatory
K-97012T Chalice™ Undercounter Lavatory
K-2210T CAXTON™ Undercounter Lavatory
K-2211T CAXTON™ Undercounter Lavatory
K-2219T LINIA™ Undercounter Lavatory
K-2764T-1 皓玥时尚碗盆
K-15096T 艾贝一体化盆
K-15095T 艾贝一体化盆
K-2264T 苔丝修边式台上脸盆
K-2186T-1 芬乐尔台上脸盆
K-2991-1 纽英伦修边式台上盆(长方形)单孔
K-2992-1 纽英伦修边式台上盆(椭圆形)单孔
K-2189T-1 珀特勒修边式脸盆
K-2241T-1 梅玛修边式台上脸盆
K-2220T 温蒂斯脸盆
K-2764T-1 Karess Vessel
K-15096T Urbanity™ Vanity
K-15095T Urbanity™ Vanity
K-2264T TRESHAMTM Self-rimming Lavatory
K-2186T-1 Fleur® Self-rimming Lavatory
K-2991-1 Tresham™ Self-rimming Lavatory (Rectangle）
K-2992-1 Tresham™ Self-rimming Lavatory（Oval）
K-2189T-1 Portrait® Self-rimming Lavatory
K-2241T-1 Memoirs® Self-rimming Lavatory
K-2220T Vintage® Self-rimming Lavatory
建议搭配脸盆
MATCHING LAVATORY RECOMMENDATIONS

162
Vessel rim
24484T-NA
DC Power Unit
直流电源盒
K-20013T-CP FINIAL MIXER(W/O P)0.5GPM
芬尼奥台盆感应龙头 (冷热混合型/不含电源盒/0.5GPM）
K-20013H-CP FINIAL MIXER(W/O P)0.5GPM
芬尼奥台盆感应龙头（冷热混合型/不含电源盒/0.5GPM） Whole metope
47
125
Drain
54
162 116
Vessel rim 5 6
41.2
66.5
31.75
Output: DC6V
直流电压6V
84
226
16305T-NA
AC/DC transformer
54
72
直流电压6V
注意: ,
安装尺寸 ROUGH-IN DIMENSIONS
Whole metope
NOTE: When installing a self-rimming lavatory
make sure the distance between the wall and the
lavatory does not exceed 10cm.
Input: AC220V
220V
Output: DC6V
10cm,
K-20012T-CP FINIAL COLD ONLY(W/O P)0.5GPM
芬尼奥台盆感应龙头（单冷型/不含电源盒/0.5GPM）
K-20012T-S3-CP FINIAL COLD ONLY(W/O P)0.35GPM
芬尼奥台盆感应龙头（单冷型/不含电源盒/0.35GPM）
K-20012T-S5-CP FINIAL COLD ONLY(W/O P)0.26GPM
芬尼奥台盆感应龙头（单冷型/不含电源盒/0.26GPM）
K-20012H-CP FINIAL COLD ONLY(W/O P)0.5GPM
芬尼奥台盆感应龙头（单冷型/不含电源盒/0.5GPM）
1293596-T01-A4
125
116 5 6
K-20012T-2BZ FINIAL COLD ONLY(W/O P)2BZ
芬尼奥台盆感应龙头-典雅黑（单冷型不含电源盒0.5GPM）
K-20012T-BN FINIAL COLD ONLY(W/O P)BN
芬尼奥台盆感应龙头-罗曼银（单冷型不含电源盒0.5GPM）
K-20012T-RGD FINIAL COLD ONLY(W/O P)RGD
芬尼奥台盆感应龙头-玫瑰金（单冷型不含电源盒0.5GPM）

INSTALLATION
安装步骤
如何安装水龙头
一 龙头与面盆的安装固定
将龙头电控盒及线(8)和进水软管（7）穿
过橡胶垫片（2），并将橡胶垫片（2）嵌
入龙头(1)底部的盘槽中，再将电控盒及
线(8)和进水软管(7)从面盆安装孔穿过，
从台盆下方依次将垫片(3)压片(4)固定环
(5)穿过电控盒及线(8)和进水软管(7)，
穿时需先穿电控盒及线(8)再穿进水软管
(7)，将固定环按照图示方向拧在牙管
上，用十字螺丝刀将两个螺钉(6)紧固在
固定环上，由螺钉端部压紧压片(4)固定
水龙头。
注意:龙头安装时与电控盒（8）连接的
两根光纤不可弯折，否则会造出感应不灵
敏或不感应现象。
技术参数
电源：直流电源盒 4节5号碱性电池(LR06×4)
环境温度：1～55
进水温度：0.5～71
适用水压：0.05～
0.86MPa
TECHNICAL SPECIFICATION
Power: DC Power Unit 4 pieces of AA size alkaline batteries
℃
℃
二 安装阀体组件
关闭角阀（11），
对于冷热混水型的阀体组件安装是先将三
通进水软管组件的两端与角阀（11）连
接，然后把阀体组件（9）进水口处的保
护帽旋出，将阀体组件（9）进水口与三
通进水软管组件（10）连接；
对于单冷型的阀体组件安装是把阀体组件
（9）进水口处的保护帽旋出，将主阀体
组件（9）进水口与角阀（11）连接；
How to Install the Faucet
1.Secure Faucet on Lavatory
电源盒 输入 220V 50/60Hz
0.5
0.5～1
AC/DC transformer Input
约1.9L/min
K-2012T-S3-xx 约1.4L/min
K-2012T-S5-xx 约1.0L/min
K-2012T/H-xx
K-2013T/H-xx
About 1.9L/min
K-2012T-S3-xx About 1.4L/min
K-2012T-S5-xx About 1.0L/min
K-2012T/H-xx
K-2013T/H-xx
1293596-T01-A
5
1
2
3
4
2. Install Valve Assembly
Turn valve off (11).
For mixing water valve assembly
installation, connect water inlet hose
assembly to both ends of stop valve (11),
then unscrew valve assembly (9) water inlet
protection cap, connect valve assembly (9)
inlet to Tee water inlet hose assembly (10);
for cold water faucet installation, unscrew
valve assembly (9) water inlet protection
cap, connect valve assembly (9) inlet to
valve (11);
5
6
7
8
7
9
10
11
7
9
11
Insert faucet control box/wire (8) and inlet
hose (7) through gasket (2), then seat
gasket (2) in the groove on the underside of
the faucet. Insert faucet control box/wire (8)
and inlet hose (7) through lavatory mounting
hole, then insert gasket (3), tab (4) retainer
(5) through control box/wire (8). Remember
insert faucet control box/wire (8) first and
then inlet hose (7), fasten retainer on stud
as shown in the directions. Last, fasten two
screws (6) on retainer, press tab (4) from the
top of screws to secure the faucet.
NOTE: Do not bend two optical fibers
connected between faucet and control box
(8), otherwise, it will cause insensitive or
non-sensing problems.
超时用水控制：超时用水1分钟，自动止水。
Overtime Flowing Control: Automatically stop flushing when
the faucet senses an object for more than 1 minute
continuously
Ambient Temperature: 1~55℃
Supply Water Temperature: 0.5~71℃
Supply Water Pressure: 0.05~0.86MPa

1293596-T01-A
6
三 安装排水组件 Install Drain
注意：建议在连接供水时,在供水管上
连接一个临时橡皮或塑料软管，冲洗
供水管道，确保水干净，管道内无沙
石、垢物等。
NOTE: It is recommended to attach a
temporary rubber or plastic hose to the
supply hose, and then flush the hose
to remove dirt and debris.
旋下排水器盘片(12)，在其底面沿
周围涂上一圈密封油灰。把排水
本体(13)由底下插入面盆。
Unscrew the drain flange (12) and apply
plumber's putty to its underside. Insert the
drain body (13) to the lavatory from below.
把尾管(15)接上存水弯(16)，尾管需
插入存水弯25mm到55mm之间。
Connect the tailpiece(15) to the trap(16).
The tailpiece should extend 25mm to
55mm into the trap.
Thread the drain flange (12) onto the drain
body (13). Tighten the locknut (14) by
hand from below. Remove excess putty.
NOTE: Do not change the position of the
drain after the locknut(14) is tightened, is
tightened as doing so will cause damage
to the putty seal.
把排水器盘片(12)旋入排水本体
(13)。从下方用手拧紧锁紧螺母
(14)，去除多余的油灰。
注意：在锁紧螺母(14)拧紧后，不
可再调整排水本体的位置，否则将
会破坏油灰密封。
1. 取出电池盒组件， 旋松螺钉
（17），按电池盒盖（18）上的正
负极标示装入4节5号电池，紧锁电
池盒盖（18）的螺钉（17）后。
注意：电池极性不能装反，新旧
电池不能混用。
2. 在合适的位置打孔，打入膨胀管，
用自攻螺钉固定电池盒。将相同颜
色接插件分别连接。
注意：接插件位置朝上。
17
18
四 安装直流电源盒 4. Install DC Power Unit
1. Take out battery case assy., and
loosen the screws(17). Place 4 AA batteries
into the battery case according to negative
and positive electrode marks on the battery
case cover(18). Tighten the screws on the
battery case cover(18).
NOTE: do not mistake the battery electrodes,
and do not use the new and used batteries
together.
2. Determine the installation location of
battery case per rough-in.
Drill holes and place sheath in it. Secure the
battery case with self-tapping screws and
connect each colored connector to the
corresponding connector of the same color.
NOTE: Connectors shall face up.
12
13
Apply plumber’s
putty
涂油灰
12
14
13
1
1
然后拔去软管头部的保护套，将软管（7）
插入阀体出水口快速夹头中。注意主阀体
组件与墙面保持平行，与角阀连接牢固，
软管插到夹头底部，如果没有插到底易漏
水。
then remove hose protector, insert hose (7)
into valve outlet quick connector. Pay
attention to valve assembly as it must be
parallel to the wall. For a good valve
connection, insert the hose into the bottom
of connector; otherwise a leakage problem
may occur.

1293596-T01-A
7
安装交流电源盒
一个交流电源盒供一个感应龙头
Wire connection illustration for one to one
INSTALL AC POWER SUPPLY
(For AC-powered touchless
faucets only)
(仅限于交流感应龙头)
一个交流电源盒供两个感应龙头
Wire connection illustration for one to two
Connect to
AC Power
接交流电源
Connect to
Faucet
接感应龙头
Connect to
AC Power
接交流电源
Connect to
Faucet
接感应龙头
注意：禁止将交流AC220V接入直流DC接线端。
NOTE: Do not connect 220V AC power to a DC connector.
交流电源盒
AC Power Supply
交流电源盒
AC Power Supply
接220V交流电
Connect to AC 220V
Switch
开关 Wire Tube
穿线管
接220V交流电
Connect to AC 220V
Switch
开关
Wire.Tube
穿线管

HOW TO CHANGE TO A MIXING SENSOR
FAUCET (If customerpurchases tee inlet
assy 1284583-SP)
如何转换成混水感应龙头
(若用户另购三通进水软管
组件1284583-SP)
1. ( )
0.5mm
2
0.3mm
2
m
2.
s
1. AC power unit (sticker on the back) should be installed in a
dry place away from water. Customer should prepare wire
tube and wire according to their requirement. Wire tube should
be mounted into the wall. Suggested wire: AC connection
wire adopts wire with protecting layer or sleeve and the section
should be ≥ 0.5mm . The section of DC connection wire
should be ≥ 0.3mm . The connection pattern must follow the
illustrations above.
2.After wire layout finished, check and repair if needed.
Then connect AC connector to AC connector within FPC
pipe, DC connect or (black-orange) on electrical box to
faucet power cord connector (wire from valve
box). Finally turn on AC power source.Faucet will commence
auto-sense mode which will take 2minutes. The faucet will
not work during this period.
( )
AC 2分钟
AC
DC
8
1293596-T01-A
2
2
≤400
用户自备角阀G1/2外螺纹
Please prepare external
thread angle valve G1/2
三通进水软管组件
Tee, Inlet Assy.

1. 感应指示灯的各种闪烁情况
感应指示灯是使用者了解感应龙头有效、唯一
的途径。所以明白了感应指示灯闪烁所代表的
含义，可以正确使用感应龙头，
IMPORTANT CONSUMER INFORMATION
清理说明
适用于所有加工处理过的表面，以中性肥皂水清
洗镀层表面，再以干净的软布彻底擦干整个表
面。许多清洁剂，比如氨水，去污粉及洁厕灵
等，会对电镀表面造成伤害，切忌使用。
有腐蚀性的清洁剂或溶剂不可使用于科勒的水龙
头及其配件上。
用户须知
安装结果检查
检查并确保所有衔接处都已拧紧，打开排水系统
和主要供水源，检查并修理有漏水的接口。
INSTALLATION CHECKLIST
Check and ensure that all connections are tight. Open the
drain. Turn on main water supply and check for leaks.
Repair leakage when necessary.
CLEANING INSTRUCTIONS
Applicable for all finishes: clean the finish with a mild soap.
Wipe entire surface completely dry with a clean soft cloth.
Most cleaners may contain chemicals, such as ammonia,
chlorine, toilet cleaner etc. which could adversely affect the
finish and are not recommended for cleaning. Do not use
abrasive cleaners or solvents on Kohler faucets and
fittings.
1. Light indicator Key
The indicator is the only and effective way to learn the
faucets working conditions. So the users can use the
sensor faucet correctly with knowing the meaning of the
sensor indicator's flashing.
1293596-T01-A
9
如何转换成恒温阀感应龙头
(若用户另购 恒温阀16294T-3-CP,
具体安装详见其说明书 )
墙面
Wall
接感应龙头
Connect to Sensor Faucet
注意：软管、三通、角阀请用户自备。
墙面
Wall
NOTE: User shall prepare hoses, tees and stop valves by
him/herself.
CHANGE TO THERMOSTATIC
SENSOR FAUCET (If user chooses to
order Thermostatic Valve K-16294T-3-
CP, refer to its installation instructions
for details.)
最小50mm
Min 50mm
恒温阀
Thermostatic valve
角阀
Stop Valve
角阀
Stop Valve
三通
Tee
出水口
Outlet
三通
Tee
三通
Tee
进热水
hot
进冷水
cold

用户须知（续） IMPORTANT CONSUMER INFORMATION
(Continued)
2. 超时出水控制
连续在感应状态下使用约一分钟，龙头自动止水。
自动止水后，手或物体离开感应范围后，再次进
入感应范围内，龙头正常工作，否则无反应。
指示灯
Indicator Light
When the faucet flows continuously for 1 minute, the
faucet will automatically stop.Objects must be removed
from the sensing range. Then the water will flow when
objects re-enter into the sensing range again. Otherwise,
the faucet will not work.
2. Timeout setting
As shown:
(1) Quick flashing means the faucet is in the
period of adjusting sensing distance after power
on for 2 minutes. During these 2 minutes, please
do not disturb auto adjustment or place objects
within the sensing range.
(2) The indicator flashes every 6 seconds (DC
type) indicates that the unit is out of battery and
has stopped working. Replease batteries.
(3) The indicator flashes every 2s: as for DC type
faucets, this indicates the unit is out of battery and
ceases working. Please replace batteries. For AC
faucet, it indicates two possibilities: one is that the
unit is out of battery; or poor DC terminal contact
under normal AC power supply.
(4) Under normal condition, the water will flow and
the indicator will flash once when objects are
detected. (The indicator does not flash when
faucet stops flowing.)
如图示:
(1) 快速闪烁，代表感应龙头正处于通电后
的两分钟自动调节阶段。期间，安装者、使
用者不得干扰其自动调节，感应范围内不要
放置物体。
(2) 间隔6秒钟闪烁一次（直流版本），表
示电池即将使用完，请更换电池。
(3) 间隔2秒钟闪烁一次：若直流感应龙头,
代表龙头电池耗尽，已停止工作，等待使
用者更换电池;若交流感应龙头，表示为两
种情况：一种为刚刚停电；另一种为在交
流供电正常的情况下，则电源盒直流接线
端接触不良。
(4) 在正常工作情况下，当有物体被感应
时，龙头出水，感应指示灯闪烁一次.(龙头
关闭，感应指示灯不闪烁）
10
1293596-T01-A
3.清洗过滤系统
该感应龙头的阀体组件内已包含了优良的过滤装
置。如管内杂质过多或水质较差，长期使用会引
起出水情况不良。请按以下步骤清洗过滤装置：
1. 关闭角阀。
3. Clean the Filtration System
The faucet includes connector assembly with high quality
filtration system. Excessive debris and water of bad
quality can cause block in the pipe, thus reducing water
flow. Please clean th filtration system as following:
1. Close the stop valve.
2.将主阀体组件取下，拿出滤网
(19)(20)，用水冲洗完毕后，重新
装入。
注意：在清洗完滤网后，不要遗失
平垫。
2. Remove the valve assembly and take out the
filter(19)(20)for cleaning, then re-install it.
NOTE: Ensure that the filter washer is installed after the
filter is cleaned.
4.自动清洗存水功能 4.
When the faucet is no used for a long period of time, it will
automatically flush to discharge the stagnant water inside
the faucet every 24hrs.
19
20
感应龙头长期处于不使用状态时，
每间隔24小时自动冲水一段时间排
出龙头内的存水。
Self-Cleaning the stagnant water