A.O. Smith HSE-HAS User manual

User Guide
Water Heater
HSE-HAS/HSE-HAS-PLUS
15, 25, 35 and 50 Litres
Superior quality.
Wired remote control.
EXPERT SERVICE
Monday to Friday: 9 a.m. to 8 p.m.
Saturday & Sunday: 9 a.m. to 6 p.m.
# For calls registered at A. O. Smith Call Centre before 4 p.m. only.
Available only in selected cities. For more details, please call our
1800-103-2468/1860-500-2468 or log on to www.aosmithindia.com
1800-103-2468/ 1860-500-2468
[phone] (Send SMS) or
[email protected]
*Remote Control
*Applicable only for HSE-HAS-PLUS models

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-ecient solutions. Ours are
the only Water Heaters with the Blue Diamond®Glass Lining for the inner tank. This cutting-edge
technology prevents sediment and scaling, ghts 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
Customer Care No. 1800-103-2468/1860-500-2468.
Or
Factory Address:
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.
CIN: U31909KA2006PTC040282
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. In 2013, additional 150,000 sq. ft. was added in Bengaluru factory.
A. O. Smith's India plant has extensive engineering and technical resources and has the latest
technologies incorporated. A. O. Smith is the rst 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-ecient solutions.
About A. O. Smith

Contents
What's in the box?
User Guide
HSE-HAS and HSE-HAS-PLUS models
USER GUIDE
Wall Mounting
Accessories
Electric Water
Heater with Wired
Remote Control
Remote
Accessories
Read Before Operation......................................................................................... 1
General ........................................................................................................................ 2
Specications............................................................................................................ 3
Key Features.............................................................................................................. 5
Safety Precautions.................................................................................................. 6
Installation................................................................................................................. 6
Conversion from Wall Mounting Installation to Floor Mounting....... 9
Connecting Multi-function Safety Valve....................................................... 10
Connecting to Water Supply.............................................................................. 12
Operation ................................................................................................................... 14
Troubleshooting...................................................................................................... 20
Circuit Diagram........................................................................................................ 22
Warranty ..................................................................................................................... 23
Jurisdiction ................................................................................................................ 24
Expert Company Service...................................................................................... 24
Service and Maintenance .................................................................................... 26

1
On Receipt
It is our policy to promote safe delivery of all orders. This product shipment has been thoroughly
checked, packed and quality certied before leaving our factory.
Visible Loss or Damage
If any of the goods called for on the bill of lading or express receipt are damaged or the quantity is
short, do not accept them until the freight or express delivery agent makes an appropriate notation
on your freight bill or receipt.
Concealed Loss or Damage
When a shipment has been delivered to you in apparent good condition, but upon opening the
packaging if any loss or damage has taken place while in transit, inform the carrier’s agent/
A. O. Smith representative immediately.
About this manual
This manual is a guide to good practice for operating and periodic maintenance of the
A. O. Smith HSE-HAS/HSE-HAS-PLUS Water Heater.
Do not operate the Water Heater before reading the user manual.
Please follow instructions in this manual to ensure personal safety and proper operation of this
product. Always install, operate, inspect and maintain this product in accordance with all applicable
standards. Please store this user manual carefully for any future reference.
Read Before Operation

2
General
Indicates an imminently hazardous situation which, if not avoided, will result
in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided, could result
in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided, may result in
minor or moderate injury or property damage.
This is the safety alert symbol. This symbol alerts you to potential hazards that
can hurt you and others. All safety messages will follow the safety alert
symbol and either the word“DANGER” or “WARNING”.
DANGER
WARNING
CAUTION
These instructions have been written as a guide for the proper installation and operation of your
Water Heater. A. O. Smith will not accept any liability where these instructions have not been
followed. However, for your safety and to avoid damage caused by improper installation, it is
recommended that Water Heater must be installed by an Authorised Service Technician.
Before proceeding with the installation instructions:
1. Inspect the Water Heater and its component parts for possible damage. Do Not install or
attempt to repair any damaged component parts. If you detect any damage in the Water
Heater, please contact the dealer where the Water Heater was purchased or call A. O. Smith
Customer Care Centre.
2. Verify that the voltage being supplied corresponds to that which is marked on the Water
Heater manual.
Important
DO NOT use this Water Heater if any part has been under water. Immediately contact A. O. Smith
Service personnel to inspect the Water Heater and replace any part of the control system which
has been under water. Failure to follow this instruction can result in property damage, serious
injury or death.
WARNING
Safety
Your safety and the safety of your loved ones is paramount. There are several safety-related messages
in this manual, which have been provided during various steps such as the installation, operation and
maintenance of your HSE-HAS/HSE-HAS-PLUS Water Heater. These messages point out potential
hazards and also educate on how to reduce any potential risks. Please always read and follow all
safety messages as provided in this user manual.

3
Specications
Note: The above conguration is also available in LHS models
Model 15 Ltrs 25 Ltrs 35 Ltrs 50 Ltrs
A [mm] 320 320 395 395
B [mm] 604 804 810 1015
C [mm] 100 100 100 100
Model 15 Ltrs 25 Ltrs 35 Ltrs 50 Ltrs
D [mm] 126 126 149 149
E [mm] 180 380 260 380
F [mm] 334 334 409 409
Dimensions
*The set temperature may vary ± 5 °C.
Note: The above conguration is also available in LHS models.
Model
HSE-HAS HSE-HAS HSE-HAS HSE-HAS
HSE-HAS- HSE-HAS- HSE-HAS- HSE-HAS-
PLUS PLUS PLUS PLUS
Volume [L] 15 25 35 50
Power [W] HSE-HAS 2000
HSE-HAS-PLUS 2000 3000
Voltage/Frequency [V/Hz] 230~/50
Actual Stdg. Loss HSE-HAS 0.507 0.618 0.631 0.742
[kWh/24h/45°C di.] HSE-HAS-PLUS 0.558 0.680 0.706 0.816
Reheating Time for HSE-HAS 20 30 38 54
35°C rise [in min.] HSE-HAS-PLUS 20 30 24 35
Temperature range [°C] 25-75*
Rated water pressure N/cm2 80
Water head (metres) 80
Inlet/Outlet connections [inch] ½ BSP
Net Weight (kgs) 12 18 21 26
Note: Actual product may vary from the image shown.
C
DE
F
ØA
B
Front view
Rear view
Right view
C
D E
F
ØA
B
Front view
Rear view
Right view
Right Hand Side Inlet Outlet Models Left Hand Side Inlet Outlet Models
Figure 1

4
Part Description Model
1 Cold water inlet pipe with diuser All Models
2 Hot water outlet pipe All Models
3 Multi-function Safety valve All Models
4 Temperature Control Knob HSE-HAS models
4A Wired Remote Control HSE-HAS-PLUS models
5 Thermostat HSE-HAS models
5A Thermistor HSE-HAS-PLUS models
6 Blue sticker All Models
7 Red sticker All Models
8 Anode All Models
9 Heating Element All Models
10 Thermal Cut-out All Models
11 Installation Bracket All Models
Figure 2
Note: The above image shown is Right Hand Side model.
Without Service CoverWith Service Cover
4
3
1
7
8
10
9
5
11
4A
5A
6
2

5
Key Features
Note: A. O. Smith reserves the right to amend or modify the specications and features at any
time, as and when required without any prior notication.
Adjustable Thermostat:
Sets the temperature between
25ºC to 75ºC. (HSE-HAS)
Heating Element:
More ecient glass
coated Heating Element.
Insulation:
Better insulation with
Advanced Injected PUF.
Blue Diamond® Glass-Lining:
Protects inner tank from
corrosion.
LED Display Board:
Indicates the water temperature,
energy consumed and error
messages if there is a failure.
Digital Temperature Setting:
Sets the temperature between
25ºC to 75ºC.
Wired Remote Control:
Controls Water Heater functions
and diagnoses certain fault
conditions.
Energy Meter:
Displays total energy
consumption.
Express Heat:
Provides 33% faster heating
than 2 kW Water Heaters
(For HSE-HAS-PLUS 35 and
50 Litres)
Key Feature for HSE-HAS and HSE-HAS-PLUS
Other Feature for HSE-HAS-PLUS
* As compared to a regular 2 kW Water Heater

During Installation
Do not install the Water Heater where there is
direct sunlight or rain. It has to be installed
indoor only.
6
Do not install the Water Heater where water
splashes on the Water Heater.
Figure 3 Figure 4
CAUTION
Before installing, ensure that the following tools are available:
Figure 5
Tools Required
Hammer
Bubble Level Indicator Measuring Tape Impact
Drill Tool
Adjustable
Wrench
Teon Tape Ruler
CAUTION
Safety Precautions
Installation