Water Heater
EWS 1 & 3 Litres
EWS 1 Product Design: REGD/237701
EWS 3 Product Design: REGD/237702
EWS 3 Litres
Why people prefer an A. O. Smith water heater...
SUPERIOR QUALITY
RELIABILITY
EXPERT SERVICE
Get the best quality that
ensures, you have a water
heater that works in
Indian water conditions.
Heating technology that
will always give you hot
water… Guaranteed!
Guaranteed* A. O. Smith
Service within 24 hours.
Call: 1800-103-2468
INNOVATIVE
Instant water heater with
Glass Coated Heating
Element.
* Conditions Apply
Size: 210mm (H) x 148mm (W)
Part No.: 323976-000_R3
Approved on: 10-05-2013
User Guide
Congratulations!
And welcome to the A. O. Smith family.
We would like to thank you for the trust you have shown in choosing an A. O. Smith water
heater. You can be sure it will live up to your expectations. Thousands of delighted users all over
the world trust A. O. Smith water heaters for their families. This user guide will introduce you
to your water heater. Follow the instructions carefully and look forward to enjoying long years
of trouble-free service.
A. O. Smith is a company known for its innovative technologies and energy-efficient solutions.
Ours are the only water heaters with the Blue Diamond® Glass lining for the inner container of
the storage water heater. This cutting edge technology prevents sediment and scaling, fights
corrosion and extends the life of your water heater.
Our customer-centric approach manifests itself in many other ways too. If you need any
information or assistance with your water heater, just call us from any phone, anywhere in the
country to our Toll Free Customer Care No. 1800-103-2468.
Or
Factory Address:
Manufactured by A. O. Smith India Water Products Private Limited
(formerly known as A. O. Smith India Water Heating Private Limited)
Plot 300, Phase - II, KIADB Industrial Area, Harohalli, Kanakapura Taluk,
Ramanagara District, Karnataka – 562 112, India.
About A. O. Smith?
A. O. Smith India Water Products Private Limited was established in 2006. Since then, the
A. O. Smith team has conducted numerous focus group studies and spent endless research
hours determining what India wanted in a water heater. Backed by 75 years of proven
technological advances, A. O. Smith India has created a stylish design with features demanded
by the Indian consumer.
The A. O. Smith plant with manufacturing facilities spread over 76,000 sq.ft. is located on
20 acres, just outside Bengaluru, in the KIADB Industrial Area, Harohalli. The India operations
is the 16th A. O. Smith manufacturing facility worldwide. A. O. Smith's India plant has extensive
engineering and technical resources and has the latest technologies incorporated. A. O. Smith
is the first manufacturer to invest in and produce glass lined water heaters in India.
Today, A. O. Smith Corporation is one of the largest water heater manufacturers in the world
and is a global leader in innovative technology and energy efficient solutions.
What's in the box?
Electric
Water Heater
User Guide
Wall Mounting
Accessories
Heater
Water EWS 1 & 3 Litres
&
Fit itge
For t it
Why people
prefer an
REGD/237701
Design: REGD/237702
Product
EWS 1 Product Design:
EWS 3
EWS 3
A. O. Smith
Litres
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water heater.
TY
RELIABILItechnology that
hot
Heating
give you !
will alwaysGuaranteed
QUALITYthat
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SERVICE
Smith
* A. O.
24 hours.
Guaranteed
within
2468
Service
Call: 1.800.103.
EXPERT
water…
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Get the you have a
ensures that works in
heater
conditions.
water
Indian
IVE
with
heater
water
Heating
Instant
Glass Coated
INNOVAT
Element.
User Guide
* Conditions
Apply
Contents
Specifications..............................................................................................1
Key features ................................................................................................2
Installation ..................................................................................................3
Operation instruction .................................................................................5
Troubleshooting..........................................................................................6
Circuit Diagram...........................................................................................6
Warranty .....................................................................................................7
Jurisdiction..................................................................................................8
Warranty Card.............................................................................................9
Service and Maintenance ...........................................................................10
Specifications
Model
EWS 3
EWS 1
Volume [litres]
3
1
No. of Element
One
One
Power [kW]
3/4.5
3/4.5
~230/50
~230/50
Temperature range [°C]
25-75
25-75
Working Pressure [Bar]
6.5
6.5
Inlet/Outlet connections [Inch]
½
½
Tank Warranty [Year]
5
5
2.6
3.36
Voltage/Frequency [V/Hz]
Net Weight [kg]
Dimensions
Model
EWS 3
EWS 1
EWS 3 Litre
EWS 1 Litre
A
A
A [mm]
245
215
B1 [mm]
348
306
B2 [mm]
384
346
C [mm]
197
167
1
Outlet
2
Inlet
3
Safety Valve
4
Thermostat
5
Thermal - Cutout
6
Front Casing
7
Back Casing
8
Heating Element
9
Inner Container
B1
B2
10
11
11
10
3
3
1
1
2
2
C
C
9
10 Green Lamp Indicator
9
11 Red Lamp Indicator
8
12 Reset Button
B1
B2
Part Descriptors
8
7
6
7
6
4
5
4
12
Caution: *Safety valve has been factory fit with the water heater and set at 0.8 MPa
(8 Bar) rated pressure.
Warning: Do not tamper or detach the safety valve from the water heater.
1
5
12
Key Features
Glass Coated Heating Element
Scale and sediment build-up on the surface of the element can lead to
premature failure. A. O. Smith Glass Coating helps to prevent scale formation
and extends the life of the heating element.
High-rated Pressure
6.5
BAR
The container has a high pressure withstanding capacity of 95 psi (6.5 bar
equivalent to 65 metres water head), which makes it suitable for high-rise
buildings.
Hi-tech Thermostat & Cutout
It has a superior Thermostat. In case a fault occurs and the water temperature
exceeds the preset temperature, the Thermal Cutout cuts off the power supply
to assure safety.
Rust-proof Outer Body
Superior quality ABS outer body prevents rusting. The elegantly styled water
heater matches kitchen and bathroom décor.
3 year Warranty on Heating Element
3
This Instant Water Heater gives you a 3 year* warranty on the Glass Coated
Heating Element.
5 year replacement Warranty on Inner Container
5
The Inner Container is highly dependable, it comes with a 5 year replacement
warranty.
*The heating element has a 2 year warranty that can be extended to 3 years if registered within the first two months of purchase.
2
Installation
Mounting
EWS 3 Litre
EWS 1 Litre
54.5 mm
173mm
116 mm
65mm
Water heater must be mounted on the wall by fixing 3 nos. of screws (as provided)
1.
Make sure that the wall can withstand at least twice the weight of water heater when
completely filled with water.
2.
Use a drill bit with diameter of 6mm to drill 3 holes at least 35mm deep in the wall, as
shown in the above diagram.
3.
Insert the expansion anchors into the holes, tighten the screws providing sufficient gap for
mounting the water heater.
4.
Hang the water heater using the 3 screws on the wall and ensure the water heater is fixed
steadily.
Plumbing
1.
Make necessary plumbing with reference to the above installation diagram.
2.
It is recommended that suitable nylon/SS braided hoses should be used. These hoses
should have a minimum pressure rating of 6.5 Bar and should be compatible for hot water
applications.
3.
Connect the cold water pipe to the inlet [blue].
4.
Connect the hot water pipe to the outlet [red].
Attention: Make sure a suitable sealing tape is used for all water connections to prevent
leakage. Meanwhile, the hoses should not be tightened excessively over the inlet/outlet
tubes of the product. The hexagonal faces of the inlet outlet tubes must be held firmly by
means of a suitable wrench while fastening the hoses onto them. Failure to do so will
result in damages to the product and voids the guarantee.
3
Electrical Connections
?
The Power cord is provided with this water heater. Customer should procure a suitable plug
with adequate ratings.
?
For a 3kW unit , the power plug should be having a minimum 15 A rating.
?
For a 4.5kW unit , the power plug should be having a minimum 20 A rating.
?
The Power plug should be BIS certified in view of Product performance and Safety.
Warning:
Connect the water heater using independent sockets, adhering to national standards, to
ensure reliable earthing. Do not use adapters. Use pen multimeter to check whether the
live line and neutral line are not reverse, to ensure complete safety.
Note :
?
The RED, BLACK and GREEN wires in the power cord corresponds to Live, Neutral & Earth
connections.
?
These should be connected in the Plug accordingly. It is not permitted to leave out or
short the earth wire with Neutral.
?
Reliable earthing in the circuit should be ensured by the customer before installation.
?
Ensure that the Live, Neutral & Earth Terminals in the plug corresponds to the same in the
socket.
?
Use a pen multimeter to check the socket for any reversed Live & neutral lines and take
corrective action by a qualified electrician if required.
Filling Water
1.
Open a hot water faucet nearby to permit the air to escape.
2.
Open the cold water inlet valve fully, filling the heater and the piping.
3.
Close the hot water faucet when water flows.
4.
Check all the connections to see if there is any leak. In case of a leak, drain the heater
completely, repair the leaking joint and then refill the heater.
EWS 3 Litre
EWS 1 Litre
Safety Valve
Hot water outlet
Safety Valve
Cold water inlet
Hot water outlet
4
Cold water inlet
Operation Instructions
1.
Ensure the installation is done as per instructions (refer Mounting, Plumbing & Electrical
Connections section in pages 3 & 4).
2.
Ensure the inner container is filled with water (refer Filling Water section in page 4).
Warning: This water heater should not be operated with insufficient amount of water.
Failure to do so may result in damage to the water heater & injuries to the users. This
will also make the warranty null & void.
3.
Plug in the electrical power cord & switch on the electrical supply.
Warning: The water heater should be connected to the mains using a power plug
conforming to national standards and suitable current carrying capacity (refer Electrical
Connections in page 4).
Do not switch on the heater, if the water in the inner container is in frozen condition.
4.
Once the water heater is switched on, both the red & green indicators will glow. Red light
indicates the heating & green light indicates the power supply to the water heater.
5.
After the water reaches the preset temperature, the red light will switch off indicating that
the heating is completed & water heater is in standby mode. The water heater will be in
standby mode until the hot water is withdrawn from the outlet or the temperature of
the water drops due to passage of time.
6.
Open the outlet faucet to get the hot water. Upon withdrawing sufficient amount of hot
water, the water heater will again enter into heating mode. This is indicated by glowing of
red & green lights.
7.
After usage, switch off the electrical supply & close the outlet valve.
Caution: Hot water over 50°C will cause scalding. In order to protect you and your family
especially for the safety of children, ensure that the hot water flow & cold water mix is
adjusted in the faucet accordingly before usage. It is advised not to use the outlet from
this water heater directly in a shower or in a faucet. Suitable mixing with cold water is
required before usage.
5
Troubleshooting
Problem
Possible Cause(s)
Solution
• Green and Red
light off
No power to heater
Turn on electrical switch. Check for
blown fuses or tripped breaker
• No hot water
Thermal cutout switch open
Press Reset button
Control circuit or internal
wiring error
Call Customer Care Centre
• Green light on
Red light off
Non-functioning
thermostat
Call Customer Care Centre
• No hot water
Control circuit or internal
wiring error
• Water heats slowly
Non-functioning element
Call Customer Care Centre
• Thermostat does
not shut off
Non-functioning
thermostat
Call Customer Care Centre
Improper calibration
Call Customer Care Centre
• Piping connection
leaks
Connection not sealed
Call plumber
• Leaky cover
Tank or parts leak
Shut off power immediately and
Call Customer Care Centre
Note: Call Customer Care Centre on 1800-103-2468
Circuit Diagram
2
3
1
L
5
N
G
1.
2.
3.
4.
5.
4
6
Cut-out
Indicator Lamp Green
Thermostat
Indicator Lamp Red
Heating Element
Warranty
Product warranty
Your A. O. Smith water heater is warranted against defects
arising from faulty design, workmanship and materials for a
period of 24 months from the date of the invoice, subject to
the following conditions:
1.
The customer will notify the Company promptly about
defects noticed and give the Company or its Authorised
service provider adequate opportunity to inspect, test
and remedy them, for which the customer will deposit
the goods, if necessary, with the Company's
Office/Authorised service provider along with the
original invoice.
2.
Special warranty from the date of purchase is subject to
the following conditions:
•
Tank
- 5 Years
•
Glass Coated Heating Element
- 2 + 1 Years*
•
Rest of the parts
- 2 Years
5
Warranty
on tank
3
Extended
Warranty*
* Register your product with the
A. O. Smith Customer Care
Centre [1800-103-2468] within
60 days of purchase and you will
get an extended warranty on the
element [from 2 years to 3 years].
3.
Inspection and Test Report of the Company's
Office/Authorised service provider will be treated as
final and binding under the warranty for determining
the defects, repairs/alterations required or carried out,
or certifying working of the goods thereafter.
4.
The Company or its Authorised service provider will be
entitled to retain any defective part replaced under the warranty.
5.
The Company's liability under the warranty will be limited only to defects which occur
under conditions of proper installation, normal operation and under proper use. It
excludes defects occurring because of abuse, faulty care or maintenance and
repairs/alterations to product or the parts by unauthorised person.
6.
The water heater should not be operated without water inside the tank. This will make the
warranty null and void.
7.
In case of dry heating (water heater operated without water inside the tank), if the water
heater or any component of the water heater is changed, then it will be done on a
chargeable basis. After any repair or part replacement in the water heater, the basic
warranty continues as per the actual date of purchase.
8.
Components subject to wear, such as anode, are not covered under this warranty.
9.
The customer will have no claim under this warranty in respect of any personal injury,
damage or property or consequential damages, or for utilisation of the goods not in
accordance with the user guide.
7
General Terms of Warranty
1.
The “goods” shall mean the goods described in the purchase agreement.
2.
“The customer” shall mean the original purchaser under the purchase agreement.
3.
“The Company” shall mean A. O. Smith India Water Heating Pvt. Ltd.
4.
The “Purchase Agreement” shall mean the General Terms and Conditions of Sale agreed
upon by the customer and the Company as printed on the Invoice.
5.
“Invoice” shall mean the Invoice issued for the Unit by the Company or Authorised Dealer
to the customer describing the goods and indicating, inter alia, the total purchase price
thereof, the name of the customer and the place where the goods are to be installed.
6.
“User Guide” shall mean the instructions for installation leaflet published by the Company
and delivered to the customer.
Note: Follow any one for registration of the Extended Warranty
• Call our dedicated Customer Care Centre 1800-103-2468.
• Fill up the details in our website link
(http://www.aosmithindia.com/warranty-form.aspx) to register.
• Fill up the details in the Warranty Card and mail the same to A. O. Smith India Water
Products Private Limited., factory address.
Post Warranty
1.
The customer may be offered a yearly Service Contract at the prevailing Company rates
and terms.
2.
In case the customer does not wish to enter the Service Contract, he has the option of
calling our Authorised service provider and having his A. O. Smith Water Heater unit
serviced on actual basis i.e. by paying the Labour Cost and Spares needed to attend to that
Service or Complaint Call at the prevailing Company rates. Such service will be rendered by
the Company in towns or places where the Company has its Authorised service providers.
3.
In case of product repair after warranty by Authorised service provider, all expenses of
transporting the goods to and from the Authorised service provider shall be borne by the
customer directly.
4.
If, during such service, it is necessary for the Company or Authorised service provider to
replace or repair defective components or parts, the customer shall be required to pay for
the same as per the Company's prevailing price list.
Jurisdiction
The courts of competent jurisdiction at Bengaluru, Karnataka shall have exclusive jurisdiction
over all matters arising out of any disputes in relation to the product.
Guaranteed Service
1.
Different models has different service delivery levels.
2.
Service level mentioned for particular models are applicable for Metros & A Class Cities e.g.
Delhi & NCR, Bangalore, Hyderabad, Mumbai, Kolkata, Pune, Goa, Cochin, Chennai,
Chandigarh & Ahmedabad.
3.
Service level deliverables are valid up to city municipal limit only.
4.
Service level may differ in case of public holidays & unavoidable conditions due to natural
climate, any political & regional regulations.
8
Warranty Card
Customer Copy to be retained by the Customer
Invoice Number: ___________________________ Dated: _________________________
Unit Serial Number: __________________________________
Model: _________________________ Capacity: ______________________
Customer's Name and Address: ______________________________________________
___________________________________________________________________________
___________________________________________________________________________
Ph: _______________ Mobile: _____________________ E-mail: ___________________
Dealer’s Stamp and Signature
Warranty Card
Company Copy to be sent back to the Company
Invoice Number: ___________________________ Dated: _________________________
Unit Serial Number: __________________________________
Model: _________________________ Capacity: ______________________
Customer's Name and Address: ______________________________________________
___________________________________________________________________________
___________________________________________________________________________
Ph: _______________ Mobile: _____________________ E-mail: ___________________
Dealer’s Stamp and Signature
9
For Service needs:
Please contact our A. O. Smith
Toll Free Number : 1800-103-2468
SMS us
: +91 77029 28887
Email us
: aosmithcs@hotwater.com
For grievances please contact : wecare@hotwater.com
Registered Office
Manufactured by A. O. Smith India Water Products Private Limited
(formerly known as A. O. Smith India Water Heating Private Limited)
Plot 300, Phase - II, KIADB Industrial Area, Harohalli, Kanakapura Taluk,
Ramanagara District, Karnataka – 562 112, India.
¡
Toll Free No.: 1800-103-2468 ¡
Website: www.aosmithindia.com
Regional Office
Delhi:
105 & 106, Plot No. 19,
Sagar Plaza, Laxmi Nagar District Centre,
Vikas Marg, Laxmi Nagar,
New Delhi - 110 092.
Chennai:
No:267, Second Floor,
Kilpauk Garden Road, Kilpauk,
Chennai - 600 010.
Kolkata:
224 A, Office No. 811,
8th Floor, Krishna Building,
AJC Bose Road,
Kolkata - 700 017.
Mumbai:
Sanjar Enclave,
No. 509, CTS No. 428, S. V. Road,
Opp. Milap Cinema, Kandivali (West),
Mumbai - 400 067.
Pune:
401 & 402, Citi Mall,
Ganeshkhind Road,
Near Pune University,
Pune - 411 007.
10
Part No.: 323976-000_R3 Dt: 10-05-2013
Manufactured by A. O. Smith India Water Products Private Limited
(formerly known as A. O. Smith India Water Heating Private Limited)
Plot 300, Phase - II, KIADB Industrial Area, Harohalli, Kanakapura Taluk, Ramanagara District, Karnataka – 562 112, India.
Toll Free: 1800-103-2468 n
Website: www.aosmithindia.com