Ispring RO500AK Service manual

RO500 and RO500AK 3-Stage Under Sink Reverse
Osmosis System
INSTALLATION INSTRUCTIONS
& OWNER’S MANUAL
Ver. 08/2021
Copyright ©2005-2021 ISPRING WATER SYSTEMS, LLC. All rights reserved.

We stand behind our products
Since 2005, iSpring has been dedicated to providing high-quality drinking water to families across
the United States. We provide various residential faucets and water filtration systems that purify
your water in everyday life and deliver pure, healthy, and tasty water to you and your family.
At iSpring, we strive to develop products to the highest of standards and aim to make excellent
drinking water accessible for all households. With affordable pricing, reliable quality, prompt
delivery, and top-notch customer service, we hope to assist in bringing you great water for years to
come.
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Prior to Installation
Read this instruction manual carefully prior to installation.
Keep this manual readily available for future reference.
Table of Contents
User Information.....................................................................................................3
Component Identification.......................................................................................4
Product Features .....................................................................................................5
Product Structure and Size .....................................................................................6
Filter Life Indicator ................................................................................................6
Installation
Preparation..............................................................................................................7
Feed Water Adapter Installation.............................................................................7
Filter Installation.....................................................................................................8
System Installation and Setup ................................................................................9
Faucet Installation.................................................................................................11
Connecting Faucet Power Supply and Main Power Supply ................................12
Using the System
Starting for the First Time....................................................................................13
Routine Maintenance............................................................................................13
Fault Codes...........................................................................................................14
Filter Service Life Display ...................................................................................14
Machine Function Description .............................................................................15
Filter Service Life Reset.......................................................................................16
Manual Rinsing Mode ..........................................................................................16
Warranty
Warranty...............................................................................................................17
Warranty Registration...........................................................................................18
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User Information
The user must adhere to the installation specifications described in this Product Installation and
Operation Manual (hereinafter referred to as the "instruction manual"). iSpring is not responsible
for damage, loss, or injury resulting from neglect, improper maintenance, or unauthorized
modification of products.
●The unit should be placed only on flat surfaces. Do not mount on a wall.
●This product is designed for residential use only. Contact iSpring customer service to
inquire about usage in non-residential settings.
●The operating temperature range is 41°F - 100°F. If the water temperature or ambient
temperature falls below 41°F, immediately shut off the inline water supply, turn off the inline water
adapter, and drain the remaining water from the system.
●In case of malfunction due to damage or failure of the power supply system, unplug the
system immediately and contact iSpring customer service for guidance.
●If leaking occurs, shut off the inline water supply by turning off the adapter. Then unplug
the system and contact iSpring customer service.
●Use only authorized iSpring parts and filters. Using unauthorized or aftermarket
components will void the product warranty.
●This product is equipped with built-in systems to prevent internal leaks and minimize the
risk of water damage. However, it is recommended that users check external fittings and
connections regularly to ensure all components are secure and operating properly.
●Unauthorized modification and disassembly are strictly prohibited and will void the
warranty.
●Never touch the power cord connector when your hands are wet, as this may result in
electric shock.
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Component Identification
System Body with
filters pre-installed
Power Supply Smart Faucet
Feed Water Adapter
1/4" and 3/8" PE Pipe
Drain Saddle
1/4" C-Clip 3/8" C-Clip
Instruction Manual and
Warranty Card
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Product Features
1) Product Scope
A. For residential use ONLY.
B. Applicable water quality: municipal.
2) Water Treatment Process
Municipal tap water → Composite filter → Reverse osmosis filter → Post-activated carbon
filter (Alkaline filter on RO500AK model only) → Purified water
3) Filtration Performance
Stage
Filter
Purpose
1st Composite filter
Removes unpleasant chlorine, taste, odors, cloudiness and coloring.
Removes dirt, sand, silt, rust, and scale particles and absorbs THMS
and pesticides.
2nd Reverse osmosis
membrane
Removes lead (removes up to 98% of lead), chlorine, fluoride,
arsenic, hormones, asbestos, calcium, sodium, and more using a
0.0001 (one ten-thousandth) micron membrane.
3rd
Carbon block filter
Further enhances the sense and taste of the water.
Alkaline Filter (On
RO500AK model only)
Adding back essential minerals, while enhancing the water taste.
4) Specifications
5) Filter Service Life Table:
Filter
Recommended replacement cycle
First stage composite filter
6 months
Second stage reverse osmosis membrane
24 months
Third stage carbon block filter
12 months
•This system works at maximum performance when connected to a municipal water supply with
an inlet pressure of 60 psi and a temperature of 75°F.
•The actual water flow rate will vary depending on several factors, such as water quality, high
TDS (500 ppm+), low temperatures (below 55°F), and low pressure (below 25 psi). These will
limit the performance of the system and reduce the filter’s life.
Specification
Working Pressure
15 - 70 psi
Working Temperature
41–100°F
Flow Rate of Purified Water
Up to 0.4 gal/min.
Power Specifications
Input: 100-240V AC
Output: 24 DC
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Product Structure and Size
1) Product Overview
First-stage composite filter (CF)
Third-stage carbon block filter (CB)
("CA" Alkaline filter on RO500AK models)
Second-stage reverse osmosis membrane (RO)
2) Dimensions
Filter Life Indicator
The filter life indicators are controlled by a timer and flow monitor.
Change the filter when the light runs red. To reset the indicator after filter replacement, see
"Filter Serve Life Reset".
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Installation
1) Preparation
A. It is strongly recommended to watch the video "iSpring RO500 Tankless RO Reverse
Osmosis 500GPD Water Filtration System DIY Installation" on Youtube.com prior to
installation.
B. Choose a suitable location for the system. Again, it cannot be mounted and must be placed
on a flat surface and make sure this system is to be installed on INDOOR cold-water supply
ONLY.
C. Check the packing list to confirm all accessories are included in the package. Contact
iSpring customer service if any components are missing.
D. Required tools:
2) Feed Water Adapter Installation
•Turn off the cold-water supply valve and unscrew the kitchen faucet connector pipe.
•Install the feed water adapter on the cold-water supply valve and tighten with a spanner
wrench: (make sure the O-ring is seated inside the adapter).
•Re-install the cold-water hose on the feed water adapter, then tighten with a spanner
wrench (make sure the O-ring is seated inside the hose cap).
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3) Filter Installation
This product features an easy-changing design that allows users to change the filter without
shutting off the water supply. To install the filter, follow the steps listed below.
Precautions
A. Make clean cuts on the tube to ensure a tight, sealed connection.
B. Always use the C-clips to secure the quick-fitting connections.
C. After assembly, check to ensure the connection is not leaking.
Step 1
Remove the COVERS AND RUBBER PLUGS on the upper end of each filter.
Step 2
Install each filter in the appropriate slot with the name of the filter listed on the side:
1. The composite filter is mounted to the bottom slot.
2. The reverse osmosis membrane is mounted to the top slot.
3. The post carbon filter or alkaline filter is mounted to the slot located in the middle.
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Installation: Insert the filters with the handles pointed outward. Align the arrow with the mark on
the side of the slot. The filter should fit snugly into the system’s fittings. Turn the filters clockwise
until the arrow on each filter is aligned with the mark on the top of the slot.
4) System Installation and Setup
A. Cut the WHITE 3/8" PE pipe to the appropriate length using a utility knife.
B. Insert one end of the tube into the feed water adapter. Tighten the nut using a spanner wrench.
C. Insert the other end of the WHITE tube into the 3/8" port marked "Inlet" at the top of the
system. Secure the connection by inserting the enclosed 3/8" C-clip.
D. Cut the 1/4" WHITE tubing and RED 1/4" red tubing with a utility knife to an appropriate
length.
E. Insert the WHITE tubing into the 1/4" port marked "Drinking Faucet". Insert the RED tubing
to the port marked "Drain" at the top of the system. Insert the 1/4" C-clips to lock the
connection.
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