Ispring WF Series Operation and maintenance manual

If you have any questions or concerns when installing, operating, or
maintaining your Whole House Central Water Filtration System, call us:
1-678-261-7611
or visit www.ispringfilter.com
When you call, please be prepared to provide the model of your product.
iSpring Water Systems
WF SERIES INSTALLATION INSTRUCTIONS & OPERATION MANUAL
Model WF150K
iSpring Whole House Central Water Filter
Warranted by
iSpring Water Systems
3020 Trotters PKWY
Alpharetta, GA 30004
(Ver. 01/2020)
Copyright ©2005-2020 ISPRING WATER SYSTEMS, LLC. All rights reserved.

Table of Contents Page
Product Operation & Specifications .............................................................................................3
Before You Start...........................................................................................................................4
Optional Parts.......................................................................................................................... 5-7
How a Central Water Filtration System Works....................................................................... 8-10
Installation Requirements .................................................................................................... 11-12
Installation Instructions .........................................................................................................13-16
Programming the Central Water Filtration System............................................................... 17-19
Care of Your Central Water Filtration System............................................................................20
Troubleshooting.........................................................................................................................21
Dimensions
TOP VIEW
SIDE VIEW FRONT VIEW
2

Product Operation & Specifications
While testing was performed under standard laboratory conditions, actual performance of the
system may vary based on local water conditions.
SPECIFICATIONS
Model WF150K
Hydrostatic Test Pressure
350 psi (24.15 bar)
Working Pressure Limits (minimum / maximum)
20 ~ 125 psi
(1.38 ~ 8.62 bar)
Water Temperature Limits (minimum / maximum)
33.8 ~ 102.2 °F
(1 ~ 39 °C)
Riser Pipe Diameter Required
1.050 inch (26.7mm)
Electrical Adapter
Input: AC110V/AC240V
，
50Hz/60Hz
Output: AC12V
Pressure Tank Thread
2.5″NPSM
Inlet/Outlet Connector
3/4″
* From independent laboratory test data.
3

Before You Start
If you have any questions, or there are missing parts or damage, please call 1-678-261-7611 or visit
www.ispringfilter.com
When you call, please be prepared to provide the of your product.
Warning
This machine can only use 120V / 60Hz unidirectional AC power.
Do not place anything on the power cord, and set the unit where the power cord will not be
stepped on or tripped over.
Do not overload sockets or extension cords. Otherwise, it may cause overload or electric shock.
If there is smoke, abnormal odor or abnormal noise in this machine, please unplug the power
plug of this machine, these conditions may cause fire or electric shock.
Do not touch the plug with wet hands to prevent electric shock.
Note
The product installation and use must strictly comply with the requirements of this manual. Do
not perform any operation on the product without reading and understanding the contents of
this manual.
This product is only suitable for municipal tap water that complies with national standards and
is used under conditions of water supply pressure of 0.14MPa ~ 0.35MPa.
If the user activates this product, it means that he has carefully read, understood and accepted
the contents of this manual, especially the safety instructions.
The user understands and agrees that failure to operate per this practical manual may result in
product damage, water leakage, water seepage, and other losses.
Under correct use and maintenance, the lifespan of the wading products manufactured by the
company is ten years, of which the purchased configuration parts: 5 years for electronic
products, filter materials, wearing pieces (such as The seal ring) is one-time use. At that time,
the user should stop using the original product or component and replace it in time.
4

Optional Parts
1. Inlet/Outlet Screw Standards:
2. Inlet/Outlet Screw Adaptor: Connect Screw NPT6M
3. Inlet/Outlet Connections Types:
5

Optional Parts
4. Drain line Flow Controls(DLFC) and Injector:
Different Size DLFC is available for different tanks as follows:
Replacing Injector and DLFC according to the following picture.
6

Optional Parts
5. Bypass Assembly
7

How a Central Water Filtration System Works
(1) Product Functions and Features
The whole house central water filtration series products, use imported filter material KDF and
high-quality coconut shell activated carbon to purify further municipal tap water, which can
effectively reduce the odor, residual chlorine, and organic content in tap water.
The automatic backwashing device of the system can loosen and wash the filter material and
remove pollutants from the sewage pipe. The whole house central water filtration series has
excellent effluent water quality and abundant water purification flow, which can meet the needs of
drinking and bathing requirements of families and enterprises and institutions, make the whole
house's water use safe. Its main functions are as follows:
(a) Fully Automatic Control
Built-in time controller, twenty-four-hour time control, according to the set interval days
or the amount of treated water, the filter material is cleaned at the set regeneration
time (usually in the early morning).
The regeneration cycle can be set according to time or water volume.
Arbitrarily set the start time of the regeneration process.
Cycle function programming
Service: After this machine filters the municipal pipeline water, it can provide drinking
water per specifications.
Backwash: Backwash can remove the impurities remaining in the upper layer of the
filter material, and remove the toxic and harmful substances adsorbed in the filter
material, restore the performance of the filter material, extend the life of the filter
material, and prevent filter media does second-time pollute to the water quality.
Purge / Rinse: Further, rinse the filter material, drain the dirty water, and fill the
machine with filtered, purified water, compact the filter material, keep the filter material
always operating in high quality, for the next water purification cycle to get ready.
(b) Dechlorination and Antibacterial
Effectively remove residual chlorine
Inhibit bacteria and algae breeding
Extend the life of activated carbon
(c) Efficient Filtering
Coconut shell granular activated carbon further removes residual chlorine and organic
matter and improves water quality.
8

How a Central Water Filtration System Works
(d) Water Purification Process:
Municipal Tap WaterActivated CarbonAlloy Filter MediaPurified Water
(2) Structure
Automatic multi-way electronic control valve
Made of high-strength polyphenylene ether (PPE) with glass fiber, hygienic, reliable
and durable
Corrosion resistance and rust-free
Structural science and well-designed
Filter
Using high-purity copper-zinc alloy filter
Polyethylene (PE) liner fiberglass tank
Made of synthetic materials, light and strong
Corrosion resistance and rust-free
One-piece, leak-proof
Granular activated carbon
Use high-quality coconut shell granular activated carbon
(3) Valve
This valve is controlled with simple, user friendly electronics displayed on a large LCD
screen. The main page displays the current date and time. In addition, the main page also
shows key valve information including: current capacity setting, volume remaining (meter
mode); regeneration days, regeneration days remaining (timer mode).
Key Pad
9

How a Central Water Filtration System Works
Main Functions
Daily Reserve
Backwash Override/Rinse Override
Forced Regeneration
Smart Clean
Multi-Language Function:
English , Spanish and other language are available to meet the different country.
Continuous water monitoring / Continuous no water monitoring
Auto-locking:
All keys will be locked after 3 minutes during the stand-by status. Press and hold
“MENU” key for 3 seconds to unlock.
Please refer to the programming manual for more details.
10

Installation Requirements
(1) Equipment Installation Conditions
The installation location should be well ventilated and protected against wind and rain.
Avoid direct sunlight and radiation from other heat sources.
The relative humidity of the installation and use environment does not exceed 75%
RH.
Equipment and pipes installed outdoors should be insulated and frost-proofed.
The inlet water must meet the water quality standard of municipal tap water. The
water pressure is 0.14 mPa - 0.35 mPa, and the instantaneous wave crest cannot
exceed 0.6 mPa.
There should be a floor drain within 500mm from the installation position and keep the
floor drain unobstructed, and it should not be tightly connected with the sewage pipe
of the equipment.
There should be a sewage pipe with an outer diameter of DN50 PVC within 100 mm
from the edge of the material and keep it open.
If the equipment is installed indoors, the installation equipment must be equipped with
water leakage protection.
A 220 V / 10 A five-eye power socket must be reserved. At the same time, the power
supply and plug of the product must be installed on a higher wall position 500 mm
above the ground and equipped with good grounding, leakage protection, and
waterproof devices.
The place where the equipment is installed should be level, and the ground bearing
capacity should be more than 300 kg / m2.
(2) Installation Precautions
During transportation, this product is strictly prohibited from being placed horizontally,
and its inclination is not less than 45°.
Please ensure that there is proper space around the device, and do not apply external
force to the device and its connecting pipes.
Do not install this product near corrosive substances or gases, as this may cause
corrosion to the product.
Do not place flammable items near the product or place items on the product.
All inlet and outlet pipes are recommended to use water pipes and fittings that meet
the standards of domestic drinking water. The connection of water pipes and circuits
should comply with national or industry standards, and the pipe connections should
comply with relevant federal installation regulations.
Please pay attention to the height and placement angle of the pipeline when it is
connected. After the pipeline is connected, there must be no apparent stress to avoid
11

Installation Requirements
damage to the water pipe or the product due to the pressure of the pipeline after long-
term use.
There must be a space (about 10 cm) between the outlet of the sewage pipe and the
sewage to prevent the sewage from flowing back to the product; the underground
sewage pipe should be 30 cm higher than the ground, and the sewage pipe should be
fixed on the sewage pipe (do not Insert the sewage pipe directly into the sewage in
the sewer or sewer).
If the water inlet pressure is higher than 0.35Mpa, a pressure reducing valve must be
installed at the water inlet pipe of the water purifier. If the water inlet pressure is lower
than 0.14Mpa, a booster pump must be installed at the water inlet pipe of the water
purifier to ensure the product. The working pressure meets the technical requirements.
Besides, a pressure reducing valve or booster pump should be installed between the
water inlet pipe and the water supply pipe of this product.
When installing, please pay attention to the direction of water flow, connect the inlet
and outlet pipes according to the inlet and outlet signs, and make sure that there is no
water leakage after installation.
Please ensure that the distance between the water outlet of the product and the water
inlet of the water heater is higher than 3 meters. If the connection distance of 3 meters
cannot be guaranteed, it is recommended to install a check valve between the water
purifier and the hot water heater to prevent hot water from causing severe damage to
the internal treatment system of the water purifier.
The installation and commissioning of all machines must be operated by a
professional technician.
(3) Equipment Installation
(a) Confirm the installation conditions, unpack the equipment, check that the accessories are
complete, prepare the installation tools, and confirm that the water inlet and outlet pipes,
power supplies, sewage pipes, and floor drains at the installation site meet the
requirements.
(b) Close the indoor water inlet valve completely, then open any faucet in the room to
remove the remaining water in the indoor water pipe.
(c) Connect the water inlet and outlet pipes, pay attention to the direction of the water inlet
and outlet, and prevent the connection pipes from bearing stress.
(d) Connect the equipment drain hose and clamp to ensure a secure connection.
(e) Insert the sewage hose into the sewage pipe and fix it with a pipe clip or nylon tape to
prevent the high water pressure during sewage discharge, which will cause the sewage
hose to pop out and cause sewage to overflow.
12

Installation Instructions
(1) Precautions Before Commissioning
Check whether the water inlet pipe and sewage pipe are connected as required. All
piping connections comply with relevant national standards.
Fix the sewage pipe on the sewer pipe, and do not insert it directly into the sewer pipe.
A gap of 100 mm shall be maintained with the bottom of the sewer pipe.
Check whether the pressure of the water source is within the range of 0.14 mPa - 0.35
mPa.
(2) Equipment Installation
(a) First, close the water outlet of the machine, operate the control valve to the backwashing
state, and slowly open the water inlet valve (the valve should be opened at an angle of
about 45°). The air in the tank is exhausted until it is full (when hearing the sound of water
flowing from the sewage pipe, it means that the air in the machine has been exhausted).
(b) Operate the control valve to the service state and observe whether there is water leakage
or leakage at each connection part. After ensuring safety, close the water inlet valve and
soak the filter material for 10 minutes.
(c) Fully open the water inlet valve, operate the control valve to the backwash state, and
backwash until the effluent is no visible to the naked eye, then perform at least two filter
material washing processes and return to the service state. Make sure the water is
completely clear before entering the use state.
(d) Filter material washing process: backwashing (5-10 minutes) and washing (5 minutes).
(e) Check again whether there is water seepage in the laying pipeline and whether the
fittings at the connection parts with the original pipeline cause loosening or water
seepage due to construction.
(f) Connect the power supply and set up the system parameters of the equipment (see the
control valve manual for details).
(g) Clean the installation site.
(3) Material details
13

Installation Instructions
One machine and the accessories: ①power adapter (white box, 1 pcs.) (adhered to the
base), ②sewage pipe (translucent pipe, 1 pcs.), ③stainless steel braided hose (NPT6M
connector, 2pcs.), ④stainless steel clamps (in the PE bag, 1 pcs.), ⑤hex key (in the PE
bag, 1 pcs.).
(a) The water inlet is connected to the stainless steel braided hose, and the other end is
connected to the water inlet channel.
(b) The water outlet is connected to the stainless steel braided hose, and the other end is
connected to the water outlet.
(c) The sewage outlet is inserted into the sewage pipe; stainless steel clamp is locked and
clamped tightly outside.
(d) Plug the power adapter, and connect the other end to the socket to supply power.
14

Installation Instructions
(4) General Valve Installation
(a) Locate the softener tank and brine tank close to a drain where the system will be installed.
The surface should be clean and level.
(b) Perform all plumbing according to local plumbing codes.
Use a 1/2” minimum pipe or tubing size for the drain line.
Use a 3/4” pipe or tubing for backwash flow rates that exceed 7 gpm or length that
exceeds 20ft (6m).
(c) Only use Teflon tape on the drain fitting. Any solder joints near the valve must be done
before connecting any piping to the valve. Always leave at least 6” (152 mm) between the
valve and joints when soldering pipes that are connected to the valve. Failure to do this
could cause damage to the valve.
(d) Cut the 1” central pipe flush with top of each tank.
(e) Lubricate the o-ring on the bottom of valve that seals against the tank. Screw the valve on
to the tank. Be careful to not cross thread the valve into the tank. Only use silicone
lubricant.
(f) Add water until there is approximately 1” (25mm) of water above the grid plate. If the tank
does not have a grid, add water until it is above the air check in the brine tank. Do not
add salt to the brine tank at this time.
(g) If the unit has a bypass valve, place it in the bypass position.
(h) Slowly turn on the main water supply.
(i) Open a cold soft water tap nearby and let water run a few minutes or until the system is
free of foreign material resulting from the plumbing work. Close the water tap when water
runs clean.
(j) Place the bypass in the service position and let water flow into the mineral tank. When
water flow stops, slowly open a cold water tap nearby and let water run until air is purged
from the unit. Then close tap. 15

Installation Instructions
(5) General Valve Installation
(a) Installation：
i. Hold the knob or use a bypass tool to rotate the knobs.
ii. Water supply will be bypassed when the knobs are horizontal.
iii. It is in the status of service when knobs are in the vertical direction.
iv. When the bypass is in the status of service, it is available to take raw water and filter
water sample for testing at water taking port on both sides of the bypass.
v. Mount meter sensor into the meter sensor mounting hole, it can achieve meter and
control function after connecting the appropriate controller.
(b) Notes：
i. The water pressure requirement is 0.15~0.86 mPa, if the pressure is higher or lower
than this, it is recommended to install a pressure stabilizer.
ii. The operating ambient temperature requirement is 1℃~39℃,if the temperature is
higher or lower than this, heat preservation should be taken.
iii. Only use the food grade silicon grease for maintenance, any other kind of grease will
affect the lifetime of bypass.
iv. Do not remove the clips when the system is operating, relieve the pressure before
removing the clips.
v. This product should be installed where the child can not touch.
16

Programming the Central Water Filtration System
(1) Button Configuration
Key Pad Configuration
•MENU
This function is to enter the basic set up information required at the time of
installation.
•SET / REGEN
This function is to initiate an immediate or delayed manual regeneration.
•DOWN / UP
These buttons are used to increase or decrease the value of the settings while
in the programming mode.
(2) Main Display
"16:26" is the current time
"Dec. 12" is the current date
17

Programming the Central Water Filtration System
"07/07" is the number of days remaining before regeneration, The estimated number
of days until the next regeneration will occur, (currently set to regenerate once every 7
days; for example, "02/07" means to regenerate once every 7 days and enter the
regeneration mode after 2 days)
"02:00" is the current setting for regeneration time
(3) Function Key Description
(a) "MENU"
Press the key for 3 seconds in the standby mode to unlock.
Press the key once in the unlocked state to enter the user menu settings, which can
set the language, regeneration mode, time, etc.
In the user menu display, press this button to exit the menu display immediately.
(b) "SET / REGEN"
In the unlocked state, press the button for 3 seconds to enter the manual regeneration
mode. You can choose to delay regeneration or immediate regeneration.
Delayed regeneration means that the system will start a regeneration at the next
regeneration time regardless of the remaining regeneration days or water
consumption of the current system.
Immediate regeneration means that the system immediately starts a regeneration.
In the user menu display, press this button to enter the parameter setting option.
Press this button again to confirm the parameter setting.
(c) "↑" / "↓"
When the display is in a menu option, these two keys can be used to adjust the value
or option.
(4) Note
(a) About the combination key
Press"↑"and"↓"at the same time for 3 seconds to view the regeneration cycle and
regeneration time.
Pressing "MENU" and "SET / REGEN" at the same time for 3 seconds will
immediately start the regeneration mode.
18

Programming the Central Water Filtration System
(b) During the menu setting process, if there is no operation within 1 minute, the system will
automatically return to the standby state.
(c) In the standby state, if there is no operation within 3 minutes, the system will
automatically lock, and the display can be processed after unlocking.
(d) The regeneration mode is only a timer type. You cannot click to enter the setting.
(e) Calendar setting, current time and regeneration time, "SET / REGEN" button is for
entering setting and switching options. After adjustment, press "MENU" to confirm and
return to the standby state.
(5) Press "MENU" to enter the following user menu settings
SYSTEM LANGUAGE:
You can choose the system language.
REGIONAL OPTION:
You can choose the system unit of measurement, metric, or US.
REGEN. MODE:
The control valve cannot be switched.
CURRENT DATE / CURRENT TIME:
The user can set the system time, and it is also used to
calculate the start of the regeneration cycle and regeneration
time.
REGEN. TIME:
This setting determines the time of day to perform a scheduled
regeneration. You can set the system's regeneration time
according to your routine. It is recommended to set it in a period
where water will not be used. The system defaults to 02:00 a.m.
REGEN. DAYS:
This value is the number of days between regenerations or back
washes to clean the filters. The user can set the number of days
in the regeneration cycle according to the water situation.
BA. WA. DURATION (BACK WASH DURATION) / RINSE
DURATION:
Users can adjust these parameters at any time with the help of
an application engineer based on the water environment.
LOAD DEFAULT:
If the selection is made, the processing time of each
regeneration cycle will be reset to the default value setting. The
capacity is three specifications of the tank, large, medium, and
small. The rinse time will return to the default value.
19

Care of Your Central Water Filtration
System
The product can be used frequently after the installation and commissioning are completed.
Under the condition of uninterrupted power supply, the user does not need to perform other
operations on the machine.
Regular replacement of filter materials under standard municipal water supply conditions, the
service life of activated carbon is 6 months, and the service life of KDF filter media is 12
months. If the filter material is replaced over time, it may cause problems such as the water
quality after filtration is reduced. To ensure that you use good quality water, be sure to change
the filter media regularly.
If the equipment fails or other exceptional circumstances, the inlet and outlet valves can be
closed (bypass valve is open), and the municipal water supply can be used directly. After
removal, open the water inlet and outlet valves of the device.
The automatic regeneration start time is late at night. The water during this period is not
purified. It is recommended not to use water at this time.
During the use of the water purifier, do not cut off the power, to avoid errors in the clock on the
water purifier, which will affect the original regeneration start time of the water purifier and
cause users to misuse unpurified water.
During the process of water purifier regeneration, if there is a power loss, more than one
discharge may occur, resulting in the waste of water resources.
If there is no one in the home for more than three days, close the main water purification valve
of the equipment. After the water purifier is stopped for a while, a regeneration operation should
be added to ensure the quality of the purified water before reuse.
If water consumption increases sharply (relative to normal usage) or the quality of raw water
decreases, the number of regenerations should be increased accordingly.
Do not apply external force to the device, and avoid direct sunlight and radiation from other
heat sources.
In case of power failure, readjust the current time and regeneration start time according to the
manual after the power supply is normal.
■ When the water supply in a residential area is shut down, the main water main valve should
be closed immediately. The municipal water supply may cause negative pressure to the
household pipeline and damage the equipment.
When the community stops watering, the bypass valve of the water purifier should be opened.
When the water supply is restored, the faucet in the home should be opened first, the
contaminated water should be released, and the bypass valve should be closed after being
clear. When the water supply is restored after the water is stopped, a large number of
pollutants in the water pipe will enter household equipment such as water purifiers and damage
the machine, and it will quickly lead to filter failure.
Water purifiers installed outdoors without regular maintenance, the parts of the system will fail
very soon, and even cause equipment to run inaccurately, or keep washing. It is recommended
that you check it regularly and maintain it regularly, and call your local dealer immediately if
something goes wrong. 20