A.O. Smith TE-35 User manual

User Manual
Tankless Electric
Water Heater

Contents
What’s in the box?
1. Tankless Electric Water Heater
2. User Manual
3. Wall Mounting Accessories
General Information ....................................................................... 1
Safety Instructions ......................................................................... 2
.............................................................................. 3
Safety Precautions ......................................................................... 4
Installation ................................................................................ 5
Plumbing instructions ..................................................................... 7
Operation ................................................................................. 8
Troubleshooting .......................................................................... 11
Circuit Diagram ........................................................................... 12
Warranty Terms and Conditions ........................................................... 13

General Information
On Receipt
It is our policy to promote safe delivery of all orders. This product shipment has been thoroughly
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 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.
Disposal of this Product
(Waste Electrical and Electronic Equipment)
This marking on the product, accessories or User Manual indicates that the product and its
electronic accessories should not be disposed of with other household waste at the end of their
working life. To prevent possible harm to the environment or human health from uncontrolled
waste disposal, please separate these items from other types of waste and recycle them
responsibly to promote the sustainable re-use of material resources.
they can take these items for environmentally safe recycling. This product and its electronic
accessories should not be mixed with other commercial wastes for disposal.
1

Safety Instructions
The safety of you and 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 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.
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
Indicates an imminently hazardous situation which, if not avoided, will result
in death or serious injury.
WARNING
Indicates a potentially hazardous situation, which if not avoided, could result
in death or serious injury.
CAUTION
Indicates a potentially hazardous situation which, if not avoided, may result
in minor or moderate injury or property damage.
WARNING
Do not use this Water Heater if any part has been under water. Immediately contact an
Authorised Service Technician to inspect the Water Heater and contact A. O. Smith Service
personnel to 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.
IMPORTANT
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.
2

Model TE-35
Power [W] 3500
Voltage/Frequency [V/Hz]
Rated Current [Amps] 15
Required circuit breaker [Amps] 20
Working water
pressure
N/cm2
Water head (metres)
Inlet/Outlet connections [inch]
Net Weight (kgs.)
TE-55
5500
230~/50
24
32
1.2
2 - 60
2 - 61.2
½ BSP
2.1
Dimensions
Figure 1
252 mm
250 mm
Front view Side viewRear view
90 mm
3

Figure 2
3
Front view without
Service cover
Front view with
Service cover
Rear view
15
14
11
10
12
13
3
2
4
1
5
6
9
8
7
Part Description Part Description
1 Cold water inlet 9 Rear cover
2 Hot water outlet 10 Terminal blocks
3 LED display 11 Cable faster
4 Outlet Temperature sensor 12 Triac
5 Transformer 13 Flow sensor
6 Filter plate 14 Service cover
7 Heating chamber 15 Mounting bracket
8 Thermal Cut-out
Safety Precautions
During Installation
Do not install the Water Heater where there is
direct sunlight or rain. It is has to be installed
indoors only.
Figure 3
CAUTIO
N
Do not install the Water Heater where water
splashes on the Water Heater.
Figure 4
CAUTIO
N
4

Installation
Bubble level indicator and Impact drill tool are available.
Mounting the Water Heater
It is recommended as per IS 302-1 to have 6
inches clearance from wall.
Select a place to mount Water Heater in a
Figure 5
Water
Heater
6 inch.
6 inch.
CeilingCeiling
Wall
Wall
Water Heater must be located within 2 ft.
(approx.) from a 230 V power supply with
proper grounding.
Make sure that the wall can withstand at
least twice the weight of the Water Heater
Figure 6
2 ft.
False
Wall
Solid
Concrete
Wall
Solid
Concrete
Wall
Solid
Concrete
Wall
Solid
Concrete
Wall
OFF
ON
5

Installation (contd...)
Remove the Mounting bracket from the
back side of the product.
Mark the holes using Mounting bracket
(Step 1).
Drill 4 holes of diameter 6 mm (Step 2).
Figure 7
1
2
Holes
Drilling
Tool
Mounting
bracket
Insert the Expansion Anchor into the hole
(Step 1).
Insert the Mounting screw over the
Expansion Anchor through the Mounting
bracket and tighten the Mounting screw by
Figure 8
Expansion
Anchor
Mounting
screw
Mounting
bracket
Concrete
Wall
Concrete
Wall
Concrete
Wall
Concrete
Wall
1
2
Mount the Water Heater on the Mounting bracket. Tug downwards on the Water Heater to
Figure 9
Mounting
bracket
Mounting
screw
Water
Heater
2
Concrete
Wall
Concrete
Wall
Concrete
Wall
Water
Heater
Water
Heater
1
6

Plumbing instructions
Figure 10 Installation Diagram
Hot
Water Tap
Hot
Water Tap
Cold
Water Tap
Cold
Water Tap
*Flexible
Hose
1
2
tape
Upward
installation
Downward
installation
*Flexible Hoses to be procured by the customer, not part of standard product.
1.
leakage.
2. Make necessary plumbing with reference to the Installation Diagram. (Refer “Installation
Diagram”)
3. Install rubber seal rings at the inlet and outlet connections.
4. Connect the cold water pipe to the inlet.
5. Connect the hot water pipe to the outlet.
7

CAUTION
Use only Nylon/ Stainless Steel (SS) braided hoses (Flexible Hoses) having a minimum
pressure rating of 6 Bar and hoses should be compatible for hot water applications.
Failure to follow this instruction can result in property damage.
Operation
Figure 11 1. Open a nearby hot water faucet to permit air to escape.
2.
to the unit.
3.
4. When all water connections are completed, check for leaks and
take corrective action before operating.
CAUTION
so may result in damage to the Water Heater and injuries to the user. This will also make the
warranty null and void.
Once the Mounting and Plumbing is completed, then only the power supply should be
switched ON.
Do not splash water directly or clean with benzene, pesticides, thinner, alcohol, etc., but use
a soft, dry cloth to clean the Water Heater.
Connecting to Electrical Supply
Figure 12
OFF
ON
Customer should procure a circuit breaker of 32 Amps ratings with
Ensure that wires are connected to circuit breaker and reliable
earthing has been done.
Ensure that the unit should be connected to a single circuit (single
phase supply).
Ensure a separate electric supply cable of 2.5 sq. mm from main
pole breaker is used.
8