Ketko CWM-DF24A Guide
Online Electric Water Heater
Instruction Manual and Warranty Card
Water inlet
Model : CWM-DF24A
00
Introduction
Part Name
Features
Attention
Installation
Installation
Operational Manual
External Cleaning ang Maintaince
Fault Finding
Specification and Electric Circuit
Content
Please read this instruction sheet carefully before use
Please keep it properly for reference.
1
2
3
5
7
8
11
12
13
14
01
Heating, controlling and showering three in one
Dear Customer,.......
For your use, please read this book carefully before operating
the machine, in order to use the machine properly; please study
the right installation, maintenance and operation of this machine.
And after reading, please keep this book proper in place, for
further reference in the future.
Our company's after sales service will be always with you, no
matter what problems you meet during use, please contact our
after sales service centre, we will hold the principle of honesty
and provide the best service for you.
Tips:Safety is most important when using
instant electric water heaters!
According to research, most electric shock accidents are not caused by water heater
itself but by environment. In most countries the families' electricity environment has
unsafe concerns, like wiring of wire, no earth wire, defective earth wire or incorrect
wire connection etc. Creepage protection device on normal water heaters can only
protect creepage caused by water heater itself, but not creepage caused by environment.
This product use wall insulation safe guarder technology, forms a constant safe resistance
between human body and power supply, make sure your shower environment is safe.
Remark:
- If the supply cord is damaged, it must be replaced by the manufacturer, its
service agent or similarly qualified persons in order to avoid a hazard .
- This appliance is not intended for use by persons (including children) with
reduced physical, sensory or mental capabilities, or lack of experience and
knowledge, unless they have been given supervision or instruction concerning
use of the appliance by a person responsible for their safety.
- Children should be supervised to ensure that they do not play with the appliance.
- This appliance must be provided to ensure all-pole disconnection from the
supply mains.
Instant shower integration expert
Part Name
Remark: All the pictures in this instruction sheet are for reference
only, due to continue improvement of products, product and accessories
you buy may not be exactly the same as pictures in the book, please
come to an understanding!
Front cover
1,Front cover 2,Screen 3，Cable input 4， Water inlet
5， Water outlet 6,Pressure relief valve 6,Screw hole
Back cover
02
03
Features
Safe
Energy saving
Temperature setting for different seasons
Start it when use, no pre-heating or thermal insulation is required,
save energy and electricity.
Professional nickel chrome heating elements have 99% heating
efficiency.
Heating can's part temperature is lower than 63℃, lime
scale cannot be formed, faster, longer and higher heating efficiency.
Multi water supply system, supply water for different bathrooms
and kitchen.
Nice appearance
Neat and compact industrial design, nice looking,
luxurious and generous
No pre-heating is required; hot water is available after turn on the
machine, convenient and fast shower.
High efficiency
Fast
High temperature protection (When temperature is higher than
75±5℃, power will be off automatically, water heater cannot
start heating. Heating without water protection.Safe earth wire
protection
Intelligent control system, water and power cut off, high pressure
or temperature protection.
Creepage indicator.
Orientation of this design is high technology, humanization.
High technology
Large screen indication for water output temperature and output
power information, easy to check working status.
''Patent designed'' Start with Nickel chrome........
nickel chrome heating elements plus wall insulation
defender, protect user's safety.
''German'' Start with Nickel chrome........
electricity insulation technology, advanced technology in the world.
04
Low flow protection Heating will start only if water flow is
higher than 2.8L/Min
Fast
''Patent designed'' Start with Nickel chrome..............
heating can, nickel elements contained is 5 times higher
than normal heating materials, much stronger for
corrosion and lime scale protection, suitable in different
water and area.
05
18 32
60 80 60 6
6
6
21
24
36
40
Attention
Warning label Any place with this label, refers to appliance safety and human
safety, operation must follow the requirement exactly, otherwise,
appliance might be damaged or put user in danger
Please check ammeter's type and capacity,
make sure it meets appliance's request.
Normal Meter Smart Meter Mechanical Meter
Please prepare independent power
distribution for bathroom (depends on
installation place of water heater), use
special copper core between power supply
and bathroom which complies with water
heater's requirement
Air switch used for water heater should
meet with following specification
Power Air switch
Please exactly follow requirements
and advises stated in this instruction
sheet while installation and
maintenance
Please ask professional people's help
when wire connection, ammeter or
switch has problems.
Before wire connection, please connect
water way first and test.
Please install on a firm wall surface.
Electric water heater must have good earth
wire connection
Please reserve water inlet, outlet and
water pipes base on position of
installation.
18
380V Ammeter's type and capacity
Power Copper core section
21
24
Important : Please Do Not Install a
3 Pin Plug andSocket connection,
Provide an Air Circuit Breaker of
suitable rating as mentioned above.
06
Prohibited sign Any place with this label, is absolutely prohibited behavior,
otherwise, appliance might be damaged or put user in danger.
Do not use product when it is frozen, or
suspect to be frozen, before use, product
must be ice-out.
Do not use product when shower head or
hose is damaged.
Do not put your hand in direct contact
with faucet's water outlet before starting,
please confirm water output temperature
before use.
Please cut off power if water suddenly
ceases to flow during use.
Do Not use Plug to connect power....
this product must be connected with
special copper core from air switch.
Air switch is not the direct switch of
controlling water heater, please do not
switch on/off frequently, to affect its
sensitivity and cause danger.
This product should not be installed
outside the house.
This product should not be installed at
where does not have drainage.
This product should not be installed at
where is suspected to be frozen.
Attention
This product should not be installed at
where might be splashed directly with
water, please keep installation vertical
to ensure senstivity of flow switch
07
Water pipes and wire entry reservation before installation
Reserve water pipes
Pipe layout before bathroom decoration
Confirm place to install water heater, then reserve one water outlet and one water
inlet accordingly, the distance between these two points is 5-15cm. From family's
main power supply, add a special copper core which complies with water heater's
request to the air switch, reserve under the wall and connect to wire connection in
the bathroom.
Main switch
Reserved
wire outlet
Wire pack
About
Hot water
outlet
Water pipe reservation
A:Shower only
Water inlet connector
(outlet hose can be
connected with water
heater's hot water
outlet directly)
Hose
Represent water pipes
and concealed pipes
hide under the wall
B:Multi water supply
(Only for sink inside bathroom)
Triangular valve
or water mixing
valve
Cold water inlet
Circle centre's
distance
Floor
Sliding rail Sliding rail
Hot water
supply for
sink
Tee
Hose
Represent water pipes
and concealed pipes
hide under the wall
Cold water inlet
Installation
08
根據安裝前預留的最佳安裝位置，可參考下列安裝要點進行安裝。
Remove front cover, then according to reserved water inlet and outlet's
position, choose proper place to install water heater, and then fix it on
the wall with screws (Refer to picture 2)
PIC 2
2、Connect water heater to water inlet/outlet with nipple inner joints.
3、According to connection requirement, decide if the piece at the front
cover's bottom should be removed or not.
4、Testing with water, make sure each connection is well connected and
without any leaking, then connect light electricity plate and front cover.
5、Choose proper place to install sliding rail and shower handset.
This product must be installed by installer assigned by our company's after
sales service centre or sales department.
Choose proper place to put product on the wall, refer to the following steps:
Installation
Water pipe connection: (before wire connection)
Attention: before connect with hot water outlet, please let cold water flows for 20 seconds
to flash out impurities inside pipe, avoid blocking water heater.
For all water heaters which just be installed or haven't been used for a
considerable period, before use, please check their water connection, make sure
water flows out from shower head smoothly, then connect power and use.
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