Robotic Pool Cleaner
User Manual
SKU: 72000RR
Read through the entire manual before running your new robotic
pool cleaner, and keep this manual handy for your reference.
SAVE THESE INSTRUCTIONS
www.watertechcorp.com
Email: sales@watertechcorp.com
Water Tech Corp.
10 Alvin Court, Suite 111, East Brunswick, NJ 08816
All trade names are registered trademarks of respective manufacturers listed.
Thank you for choosing Water Tech products, your support means a lot to us.
It’s our desire to provide you the best solution to free you up from pool cleaning
and enjoy your family time is always our pursuit.
The Pool Blaster CX-300 is dedicated to serving you high efciency, low power
consumption, easy operation and thorough pool cleaning work.
The robot offers a unique appearance and reliable functions one-button
activation, powerful suction and scrubbing, ne ltration, smart navigation,
remote control, and high compatibility with various pool shapes and constructions
materials assure you a convenient, intelligent, and optimal
pool cleaning.
Feel free to contact us by Email or visit our website with any questions. We are
very glad to hear your advice on our continuous improvement.
FCC Compliance
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may
cause undesired operation.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates,
uses and can radiate radio frequency energy and, if not used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a particular installation, If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment o and on, the user is encouraged to try and
correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit dierent than that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
NOTE: Changes or modications not expressly approved by the party responsible for compliance could void the user’s authority to
operate the equipment.
POOL BLASTER CX-300 AT A GLANCE
Product External Overview
Product Internal Overview
Packing List
GET STARTED
Charge your new Pool Blaster CX-300
Setup your new Pool Blaster CX-300
Choose your cleaning mode
Run your new Pool Blaster CX-300
HOW TO CLEAN YOUR FILTER
DEVICE SPECIFICATION
LIMITED WARRANTY
HOW TO MAINTAIN YOUR DEVICE
FAQ & TROUBLESHOOTING
CERTIFICATION
CUSTOMER CARE
01
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03
03
04
05
06
08
09
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12
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CONTENTS
Chlorine Max 4mg/L
pH 7.0 - 7.8
Temperature 41 - 95 ℉ (5 - 35 ℉)
NaCl Maximum 5000 PPM
Read the manual carefully before you use the cleaner. Your safety is the most
important thing. Please read through and operate the device as per instructions,
Water Tech Corp. is not held liable for any loss or injury caused by improper use.
1. Failure to operate the device as per the
warnings can result in serious injury,
electrocution or death.
2. The robot cleaner is NOT intended
for commercial use. The cleaner is
not intended for opening the pool
or use in fountains, garden ponds or
similar places.
3. Do not charge the robot in
direct sunlight
4. Do NOT attempt to open factory
sealed battery, motor or control
box compartment RISK OF SHORT
CIRCUIT OR FIRE
5. Keep hair, loose tting clothing and all
body parts away from openings and
moving parts of the cleaner.
6. The warnings, cautions and instruction
discussed in this instruction manual
cannot cover all possible conditions or
situations that could occur. It must be
understood, the operator should always
exercise intensive caution and common
sense when utilizing the cleaner.
7. Use only the accessories recommended
or sold by Water Tech Corp.
8. Dry the charging port after each
cleaning. Humidity in the charging
socket may cause a electric shock.
9. Do not charge the cleaner when it is
running (the indicator is on).
10. Use only the original and authorized power charger, Avoid charging
any other devices with this charger. Improper use may result in overheating or
corrosive liquid leakage from the battery.
11. Make sure the electrical outlet is protected by a ground fault circuit interrupter
(GFCI) and an earth leakage interrupter (ELI).
12. Do not use a cord-damaged charger to avoid any electrical shock.
13. Do not try to use extension cord to connect the charger.
14. Never allow children to ride on the cleaner or play with it as a toy.
15. Do not allow child to operate or maintain the device.
Failure to operate the device as per the cautions can cause a damage to the device
or personal injury.
1. Charge the unit before rst use.
2. Do not over charge the cleaner, which will reduce the battery life.
3. Charge the cleaner prior to being stored for a long time (over 6 months) to
maintain an optimal battery life.
4. Remember to wash and clean the lter basket after each use.
5. Store the cleaner in a cool and ventilated place, away from direct sunshine or any
heat source.
6. Use only the pool cleaner in the following water conditions:
Warnings
Cautions
SAVE THESE INSTRUCTIONS
16. Do not enter the pool when the cleaner is working in it.
17. Never expose or charge the device in ammable environments.
18. Only licensed professionals can disassemble the sealing parts of the cleaner.
19. Do not operate the cleaner while pool lter is running.
DANGER!
DANGER!
DANGER!
WARNING!
TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK, CAREFULLY FOLLOW THESE
INSTRUCTIONS. When using electrical
products, read, understand and follow all the
instructions stated in this manual.
DO NOT ALLOW WATER OR OTHER HIGHLY
CONDUCTIVE FLUIDS TO CONTACT THE
CHARGER OR CHARGING JACK PRIOR TO
OR WHILE CHARGING THE APPLIANCE. Pool
water is highly corrosive and will cause damage
to the charger or charging jack and can cause
short-circuit resulting in smoke, re and/or
serious personal injury. Make sure all surfaces
of the charger and charging jack are dry and no
water is present before charging the appliance.
Do NOT use this cleaner to pick up any toxic
substance, ammable, combustible liquids
(e.g. gasoline), or use in the presence of
explosive or ammable fumes.
DROWNING HAZARD. This device produces
suction. Risk of entrapment present. DO NOT
use when bathers are present. Never permit
children to use this product. Never permit
persons who cannot swim to use this product to
prevent the chance of drowning.
01 02
AT A GLANCE
Product External Overview
Product Internal Overview
Packing List
Device x 1
Charger x 1 Hook x 1 Floating Parts
Filter Basket x 1 User Manual x 1 Quick Start Guide x 1
Handle
Remove and transport the device with it.
Pump
Suck debris and pump out water through
the window.
Filter Basket
Store collected dirt and debris, need to be
washed after each use.
Do not operate the device when the top cover or scrubbing brushes are broken. If
there is any liquid leakage from the sealing part, stop charging or running
the device.
Sealed Part
Important components are sealed there.
For your safety, do not try to disassemble it
without authorization.
Top Cover Open Handle
Open the top cover to take out lter basket.
Charging Port
Connect the charging cable.
Track
Enhance device’s capability in climbing walls
and various obstacles.
ON/OFF Button
Turn on/Turn off the device.
Cleaning Mode Indicator
The chosen cleaning mode will be shown here.
LED Indicator
Different light colors to indicate device status.
Scrubbing Brush
Knock loose all dirt and roll them all into
the device.
LED Color Indication Status
Solid Power On
Flashing Under working
Flashing
Charging in progess, low battery or under
self-parking in the pool
Flashing Charging in progress
Solid Fully Charged / battery level
Solid or Flashing Fault
Solid : fully charged!
GET STARTED
Charge your new Pool Blaster CX-300
Set up your new Pool Blaster CX-300
Note:
Note:
Note:
The device has a lithium-ion rechargeable battery. Charge the battery before rst
use and when the battery is low.
Connect your device to a power outlet using the included cable and adapter.
You can turn on the device by pressing and holding the on/off button. The LED
indicator on the front will display a solid blue when the device is on.
The adapter has an indicator, which will display blue light indicating the power
supply status.
The LED indicator in the front of the device will change from a ashing light to a
ashing light during charging, and turn a solid light when fully charged.
Below is the indication of the LED lights when running, you may refer to it to know
different device status.
1. When charging, you should ensure your device is at least 3m (appr. 10ft) away
from the edge of the pool.
2. For reducing re risk, keep your device and adapter away from direct
sunshine or water when charging.
3. For your important safety, ensure the device is powered off and the charging
port is dry before charging.
4. The best charging environment is temperature at 32℉ - 95℉ (0℃ -35℃ ), RH
at 5% - 95%
1. When yellow light ashing, you should remove your device out of water and
charge it.
2. If red LED light is on, you can nd solution from trouble shooting in this manual
or call for service.
The LED will continue a ashing indicating low battery when powering on the
device, and you should charge it immediately.
03 04
Choose your cleaning mode
After your unit is on, you can cycle through and select your cleaning mode by
pressing the on/off button until the LED light is on your desired cleaning mode.
There are 3 cleaning modes on the device, and you can see details below.
Mode Type of cleaning
Full pool cleaning Wall + Floor + Waterline
Floor cleaning Floor only
Wall cleaning Wall only
Note:
1. You can preset your cleaning mode before putting the device into the pool. The
default mode is full pool cleaning.
2. If the device restarts, it will automatically enter the cleaning mode you set
last time.
05 06
Run your new Pool Blaster CX-300
Hold the handle of the cleaner and submerge it into the pool within 3 minutes of
turning it on, otherwise the device will be turned off. Allow air to vacate the cleaner
before releasing into the pool.
Let it sink down to the oor.
Note:
To achieve an optimal cleaning performance, you should ensure the water depth of
the pool is at least 19.5 in (50 cm) high from the top of the device.
07 08
Note:
1. You should ensure the device is powered off when open the top cover.
2. You need to clean the lter basket before being dry.
About 20 seconds of auto calibration
on the oor, the indicator light will
turn ashing blue. The cleaner is
ready to clean.
The device will automatically move
to stop by the edge of wall when
nishing cleaning or battery low.
The cleaner begins to clean walls,
oor and waterline as default or
your set.
You should take the cleaner out vertically to drain inside water out quickly.
Hold the lter cover handle, press and open it.
Take out the lter basket. Empty all debris and rinse it with
clean water.
You can insert the included hook into
a pool rod and lift the cleaner out of
the pool.
HOW TO CLEAN YOUR FILTER
After rinsing, put the lter basket
into the cleaner and close the cover.
DEVICE SPECIFICATION
LIMITED WARRANTY
HOW TO MAINTAIN YOUR DEVICE
FAQ & TROUBLESHOOTING
Name Pool Blaster CX-300
Pool Size Max. 150m
2
Depth 13 ft. (4m)
Device Dimension 372(L) x 360(W) x 240(H) mm
Weight 7.8 kg.
Runtime 120 min. ~ 150 min.
Charge Time 2.5 hours
Power 65W
Charger Input 100-240V, 50-60Hz
Charger Output 25.2V/2.6A
Battery Capacity 4600mAh
Filter 180µm
Flow Rate 11.5 m
3
/H
Moving Speed 11m/min
Water Resistance IPX8
09 10
1. All Water Tech Corp. pool cleaners in the market have been inspected and
licensed to be sold as per local laws.
2. The warranty duration for battery, motor and PCB is two (2) years from the
purchasing date. Consumable parts, including lter basket, brush, wheels etc., are
beyond warranty.
3. The warranty apply only to original buyers, and not valid to resale and any other
kinds of transfer.
4. Any damages to the unit caused by improper use, unauthorized repair or
disassembly are not covered by Water Tech Corp.’s warranty.
5. The order number or record must be presented for any claim or repair within the
warranty period.
You should follow the steps to store your cleaner to maintain good performance.
a) Ensure the device is powered off.
b) Dry out the cleaner and lter basket.
c) Fully charge the battery.
d) Store the cleaner in a cool and ventilated place, away from direct sunshine, heat
source, frost and squeezing with an ambient temperature between 5℃/ 41 ℉
and 45℃ / 113℉.
e) Charge the cleaner every three months to ensure an optimal battery life.
Q: What pool shapes and construction materials is the cleaner suitable for?
A: The machine can be applied to rectangle, oval, or irregular shapes of in-ground
swimming pools. Applicable construction materials include PVC, gunite and other
high friction materials. (Slippery materials such as tiles, mosaics, and acrylic may
not work well. Please refer to the table for suggested solutions.)
Q: Will obstacles such as steps, shallow water areas, drains, slopes etc. in the
swimming pool affect the running?
A: The machine can climb steps, drains, and shallow water areas.
If you encounter the following situations when using the cleaner. Please refer to
the table for suggested solutions.
Note:
Note:
If your device do not work after a long-term low battery life or being off, please
contact after-sale team for help. For your safety, do not try to disassemble it
without authorization.
If you can not nd a solution from the table, please contact after-sale team.
No. Issues Details Possible Causes Suggested Solution
1
Device does
not work
A solid red light Impeller stuck Check the impeller and
clean foreign
A ashing red
light
Motor protection Restart
A ashing red
light
Not put the device
into the water or the
pool water is too
shallow
Restart and put it into the
pool immediately. Be sure
the water depth is over
0.5m.
A ashing
yellow light
Battery low Fully charge the device and
restart
2
Unable to
charge
Charger light
ashes
Poor contact Re-plug the charger
3
Do not climb walls Slippery
construction
materials
Stick oating parts (Contact
service team for instruction.)
Filter Basket too
dirty
Clean the lter basket
4
Abnormal wall
climbing
Climbing slowly Filter basket blocked Clean the lter basket
Sinking down
away from wall
or oating on
the water
Intake air Stick oating parts (Contact
service team for instruction.)
Filter basket blocked Clean the lter basket
6 Front side up when on the oor Filter basket blocked Clean the lter basket
7 Do not clean as set cleaning path Encounter obstacles Clean the lter basket
11 12
CERTIFICATION
CUSTOMER CARE
Water Tech Corp.’s robotic pool cleaners have passed all performance and reliability
tests and also has obtained relevant certications from the countries in which they
are sold. you can rest assured.
Rev.: 2.27.2024
Due to the need for continuous products improvement, the products in the manual
are subject to the real products, and Water Tech Corp reserves the right to
update products.
If you encounter any problems during use, please contact after-sale team. For more
details, please contact Water Tech Corp.’s website www.watertechcorp.com
Water Tech Corp.’s Customer Service:
Email: CustomerCare@watertechcorp.com
Tel: 800-298-8800
