A.O. Smith EES - 30 Fehlerbehebungshandbuch

EES 30 EES 66

EES 40 EES 80

EES 52 EES 120

United Kingdom & Ireland

ELECTRIC HOT WATER STORAGE HEATERS

Installation, User and Service Manual

Innovation has a name.

0313297 3918 –Changes Reserved.

Read this manual carefully

Warning

Read this manual carefully before using the

device. Not reading this manual and not

following the instructions in this manual may

lead to personal injuries and damage to the

device.

Nothing from this edition may be copied,

reproduced and/or made public by means of

press, photocopying or in any other way

without the prior written permission of

A.O. Smith Water Products Company.

A.O. Smith Water Products Company

reserves the right to change the

specifications as

mentioned in this manual.

Trademarks

All brand names mentioned in this manual

are registered trademarks of the respective

suppliers.

Liability

A.O. Smith Water Products Company does

not accept any liability for claims of third

parties as a result of incompetent use other

than mentioned in this manual and in

conformity with the General Terms and

Conditions as filed with the Chamber of

Commerce.

For further information see the General

Terms and Conditions. These can be

obtained from us free of charge.

Although utmost care has been taken in

ensuring a correct and, where necessary,

complete description of the relevant parts,

the manual may contain errors and some

things may be unclear.

Should you still discover faults or things

which are unclear, please inform us about

this. It helps us to further improve the

documentation.

Additional information

If you have any remarks or questions

concerning specific subjects related to the

device, please do not hesitate to contact:

A.O. Smith Water Products Company

P.O. Box 70

5500 AB Veldhoven

The Netherlands

Telephone: (free) 0870 - AOSMITH

0870 - 267 64 84

General: +31 40 294 25 00

Fax: +31 40 294 25 39

E-Mail: info@aosmith.co.uk

Website: www.aosmith.co.uk

For problems with respect to connections to

electricity and water supplies, please contact

the supplier/installation engineer of your

installation.

CONTENTS

1. GENERAL...................................................................................................................4

1.1 Description of the apparatus........................................................................................4

1.1.1 Packaging material......................................................................................................4

1.1.2 Disposal......................................................................................................................4

1.2 Technical safety devices..............................................................................................4

1.2.1 Thermostat..................................................................................................................4

1.3 Technicaldescription ....................................................................................................4

1.3.1 Dimensions .................................................................................................................5

1.3.2 Technical Data ............................................................................................................6

1.3.3 EcoDesign Data ..........................................................................................................7

2. FOR THE INSTALLER................................................................................................8

2.1 Installation instructions ................................................................................................8

2.2 Installation...................................................................................................................8

2.2.1 Water connection.........................................................................................................8

2.2.2 Electrical connection....................................................................................................8

2.3 Putting into operation...................................................................................................9

2.3.1 Filling of the heater......................................................................................................9

2.3.2 Putting into operation...................................................................................................9

2.3.3 Putting out of operation ...............................................................................................9

2.3.4 Temperature control....................................................................................................9

2.4 Maintenance..............................................................................................................10

2.4.1 Sacrificial anode........................................................................................................10

2.4.2 Decalcification...........................................................................................................10

2.5 Measures to be taken at moments of failures ............................................................10

2.5.1 Safety thermostat......................................................................................................10

2.5.2 Water temperature not right.......................................................................................10

2.5.3 Warm water temperature too high .............................................................................10

2.5.4 Probability of a water leakage....................................................................................10

2.5.5 Measures ..................................................................................................................11

2.6 Spare Parts...............................................................................................................11

3. FOR THE USER........................................................................................................12

3.1 Instructions for use....................................................................................................12

3.2 Use ...........................................................................................................................12

3.3 Putting out of operation .............................................................................................12

3.4 Maintenance..............................................................................................................12

3.5 In case of failures......................................................................................................12

4. WARRANTY .............................................................................................................13

4.1 General warranty.......................................................................................................13

4.2 Tank warranty............................................................................................................13

4.3 Conditions of installation and use ..............................................................................13

4.4 Exclusions.................................................................................................................13

4.5 Extent of the warranty................................................................................................14

4.6 Claims.......................................................................................................................14

4.7 Obligations for A.O. Smith.........................................................................................14

1. GENERAL

1.1 Description of the apparatus

The construction and equipment of the

electric storage heater meet the European

standards for electric household apparatus

(EN60335-1 and EN60335-2-21). Thus, the

heater is in conformity with the European

directives of electric household apparatus,

implying the authority to bear the CE-mark.

The heater is appropriate for aworking power

of 8 bar (=800 kPa). The tank is of steel plate

and has got a glasslined coating, in its

interior. Simultaneously, the tank is provided

with two sacrificial anodes, as an additional

protection against corrosion. A thick FFC

insulating layer, surrounded by a steel casing

is preventing it from an unnecessary loss of

heat. As soon as the heater will be

completely filled with water, it will continually

be under the pressure of the water supply.

Draining hot water, the heater will

immediately be refilled with cold water. A

good transmission of heat is given by the use

of incoloy heating elements.

Additional comfort can be created by making

use of a circulation pipe with the

corresponding pump. The connection of the

above pipe will have to take place at the cold

water pipe.

1.1.1 Packaging material

The packaging protects the device against

transportation damage. The selected

packaging material is environmentally

friendly, recyclable and can be disposed of in

a relatively easy and environmentally friendly

way.

1.1.2 Disposal

Old and discarded devices contain

substances that are to be recycled. Please

take the local laws with respect to waste

processing into account when disposing of

old and discarded devices.

Never dispose of your old device through the

domestic waste, but bring it to a municipal

collection point for electric and electronic

equipment. If necessary, ask your

dealer/installer for information. Store the old

device outside the reach of children.

1.2 Technical safety devices

1.2.1 Thermostat

The heater is provided with one or two

regulating thermostats with a setting range

between 32 °C and 82 °C. Further on, the

heater is equipped with one safety

thermostat, being set at 95 °C.

1.3 Technical description

IMD-0299

1.3.1 Dimensions

Description

Unit

EES 30

EES 40

EES 52

Total height

930

1110

1370

Diameter of the apparatus

520

Height of drain tap

110

Height of T&P plug

730

970

1210

Connection cold water

3/4 " - 14 NPT

Connection hot water

3/4 " - 14 NPT

Connection T&P plug

3/4 " - 14 NPT

Connection drain tap

3/4 " - 14 NPT

Description

Unit

EES 66

EES 80

EES 120

Total height

1530

1540

1620

Diameter of the apparatus

560

610

710

Height of drain tap

110

Height of T&P plug

1360

1330

1385

Connection cold water

3/4 " - 14 NPT

Connection hot water

3/4 " - 14 NPT

Connection T&P plug

3/4 " - 14 NPT

Connection drain tap

3/4 " - 14 NPT

1.3.2 Technical Data

Type

Unit

EES 30

EES 40

EES 52

Tankage

lt.

115

155

190

Number of elements

Capacity (220 V)

2,5

Capacity (240 V)

3,0

Heating time up to 60°C *

(220/240 V)

min

159/134

214/180

263/221

Heating time up to 40°C *

(220/240 V)

min

95/87

129/118

158/133

Tap capacity 1st hour 60°C **

(220/240)

lt.

149/157

187/194

219/227

Tap capacity continuous 60°C **

(220/240)

lt/hr.

43/52

Tap capacity 1st hour 40°C **

(220/240)

lt.

248/261

311/324

366/379

Tap capacity continuous 40°C **

(220/240)

lt/hr.

72/86

Weight

Type

Unit

EES 66

EES 80

EES 120

Tankage

lt.

250

300

450

Number of elements

Capacity (220 V)

2,5

Capacity (240 V)

3,0

Heating time up to 60°C *

(220/240 V)

min

346/291

415/349

632/523

Heating time up to 40°C *

(220/240 V)

min

208/174

249/209

374/314

Tap capacity 1st hour 60°C **

(220/240)

lt.

276/284

323/330

463/471

Tap capacity continuous 60°C **

(220/240)

lt/hr.

43/52

Tap capacity 1st hour 40°C **

(220/240)

lt.

459/473

538/551

772/785

Tap capacity continuous 40°C **

(220/240)

lt/hr.

72/86

Weight

125

1.3.3 EcoDesign Data

Description

unit

EES 30

EES 40

EES 52

Load Profile

Energy Efficiency Class

Water Heating Efficiency

39.3

38.0

Daily Electricity Consumption

kWh

11.907

12.394

20.320

Daily Fuel Consumption

kWh GCV

0.000

Mixed Water 40°C (V40)

ltr.

143

187

237

Additional Load Profile

Energy Efficiency

Daily Electricity Consumption

kWh

Daily Fuel Consumption

kWh GCV

Mixed Water 40°C (V40)

ltr.

Description

unit

EES 66

EES 80

EES 120

Load Profile

Energy Efficiency Class

Water Heating Efficiency

38.0

37.8

37.3

Daily Electricity Consumption

kWh

20.039

21.500

20.830

Daily Fuel Consumption

kWh GCV

0.000

Mixed Water 40°C (V40)

ltr.

295

368

552

Additional Load Profile

Energy Efficiency

Daily Electricity Consumption

kWh

Daily Fuel Consumption

kWh GCV

Mixed Water 40°C (V40)

ltr.

2. FOR THE INSTALLER

2.1 Installation instructions

The heater will not be installed but in spaces

meeting the national and local regulations.

These spaces will be frost protected.

2.2 Installation

The installation will be effected according to

the current general and local regulations of

the electric and water works, and that, by an

authorized installer.

2.2.1 Water connection

The max. admissible working pressure of the

heater will amount to 8 bar. On the cold water

side, the heater will have to be provided with

a stop valve, as well asan approved inlet

combination. The overpressure side, of the

inlet combination, will have to be connected

to an open water discharge. Insulating long

pipes, will prevent from waste of energy.

2.2.2 Electrical connection

The electric installation will always be

effected by an authorized installer, as well as

according to the general and current

regulations of the electricity works. This

heater will have to be provided with a main

switch, as soon as a fixed connection is

involved.

Warning:

Earth/Ground the equipment

1. Power supply connection

2. Safety thermostat of two poles

3. Regulating thermostat (with priority

switch)

4. Heating elements

5. Regulating thermostat

Wiring diagram for non-simultaneous use of

heating elements

Scope:

EES 30, EES 40, EES 52, EES 66, EES 80,

EES 120

Power supply: 220-240 V 50-60 Hz IP40

2.3 Putting into operation

2.3.1 Filling of the heater

1. Installthe draintap and check whether it is

closed.

2. Open the cold water tap leading to the

heater and the rest of the taps of warm

water outlet, for ventilation. The

apparatus will be filled, as soon as water

is flowing out of every outlet.

3. Again, turn off all the taps of warm water

outlets.

2.3.2 Putting into operation

1. Check, whether the heater is filled with

waterand whether all electric connections

leading to it are actually well carried out.

2. Check whether the cold water inlet is

open.

3. Open the covering plate at the front

remove the insulation to be found

thereunder. Now, theregulating

thermostats will be accessible. And can

subsequently be adjusted at the

demanded temperature, by turning the

selector switch by a screwdriver.

4. Set the demanded temperature, on the

regulating thermostat (see table). The

temperature adjustedex works is of

60°C.

Temperature in °F

Temperature in °C

100

110

120

130

140

150

5. Replacetheinsulationand put back the

coveringplate.

6. With a fixed connection, switch on the

main switch or, otherwise, put the plug

into the socket. Thereon, the apparatus

will be in operation and start to work,

automatically.

2.3.3 Putting out of operation

1. For short periods: Remove theplugfrom

the sockey or, if the connection is fixed,

switch off the main switch.

2. For longer periods, it will be

recommendable to not only act according

to the advises sub 1, but also shut of the

water supply pipe and, as soon as the

heater will be cooled off, let out the water

(fittingan outlet pipe on the drain tap and

open it), in view of the danger of frost.

(Open the nearest warmwater drain taps,

as well, so that the tank can be

ventilated). Whenever the heater will

have to be emptied completely, detach it

and let it slope in the direction of the

drain tap.

2.3.4 Temperature control

The apparatus is under the pressure of the

water supply (max. 8 bar). There will be

supplied the same quantity of cold water as

the one used up of hot water. This implies

that in the moment of showing the thermostat a

temperaturebeing inferior to the set one, the

electric circuit will be closed,makingan

electriccurrentpassthroughtheheating

element.Afterhaving reached thedemanded

temperature, the thermostat will interrupt the

contact again. High water temperature will

involve a calcium precipitation,inside

the heater. Therefore, it is recommended to

maintain the adjusted temperature of 60 °C, so

that less furring will occur. Moreover, a built in

safety thermostat will completely interrupt the

currentsupply, at a water temperature of 95 °C.

2.4 Maintenance

At least once a year, the heater will have to

be checked and cleaned by an expert, to

guarantee its good function.

Important advises

The heater must NEVER be put into

operation, with the cold water supply

turned off.

The heater must not be under pressure

nor voltage, in the course of a

maintenance.

2.4.1 Sacrificial anode

The service life of the anodes is determined

by the quality and quantity of the water

flowing through. That is why iet will be

recommendable to have the anodes

inspected, every year.

1. Turn off the cut-off cock of the feed pipe

of cold water.

2. Open the nearest warm water tap, to

eliminate the water pressure of the

heater and the waterconduit.

3. Loosen the anode by the right key.

4. Inspect and replace it, whenever used off

by60%.

5. Screw in the anode to be waterproof.

If the anode must be replaced, make sure

that the new one always will be of exactly the

same type. This can be checked by the type

of the heater, as well as by the complete

serial number.

2.4.2 Decalcification

The lime forming is a sequel of the quality

and the demand of the water. Besides, lime

forming will always be of a higher degree with

high water temperatures than with low ones.

Therefore, it is recommended to adjust the

temperature at 60 °C, so that the degree of

calcium precipitation can be kept at a low rate.

Decalcification will have to be done by using

appropriate means. If you need more detailed

information thereon, the relevant instructions

are available.

2.5 Measures to be taken at

moments of failures

Whenever there is a failure, the items given

below will have to be checked before calling

a trouble-shooting service.

2.5.1 Safety thermostat

Every heater has got a number of safety

thermostats interrupting the electric circuit, at

high water temperatures (95°C). These

safety thermostats cannot be reset but after a

decrease of the temperature by 20°C.

Subsequently, the regulating thermostat will

be checked: if it has been adjusted at a high

temperature, the thermostat will probably be

broken and must be replaced.

2.5.2 Water temperature not right

1. Check the adjustment of the regulating

thermostat.

2. Check whether there are leakages and/or

open taps.

3. Check whether the wiring is still correctly

connected.

4. It’s possible that the consumption of hot

water is higher than it had been

calculated,originally.

5. Inspect whether the cold water inlet pipe

has got the right position.

2.5.3 Warm water temperature too high

Check whether the regulating thermostat is

set too high.

2.5.4 Probability of a water leakage

1. Check whether the drain tap is

completely shut.

2. Check whether the water connections are

waterproof.

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