Viessmann Vitotherm ES4 Manual de usuario

Please retain for future use

Operating instructions

for system users

6167225 GB 11/2020

Vitotherm ES4

Version ES4.A5 K

Version ES4.A5 OK

Version ES4.A5 OTK

Electric water heater

VITOTHERM ES4

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Danger

This symbol warns against the

risk of injury.

The appliance can be operated by

children aged 3 and older, as well as by

individuals with reduced physical,

sensory or mental faculties or those

lacking in experience and knowledge,

provided such individuals are supervised

or have been instructed in the safe use

of this appliance and any risks arising

from it.

Caution

Supervise children in the proximity

of the appliance.

■ Never permit children to play

with the appliance.

■ Cleaning and user maintenance

must never be carried out by

unsupervised children.

Caution

This symbol warns against the

risk of material losses and

environmental pollution.

Note

Details identified by the word "Note"

contain additional information.

Safety instructions explained

Target group

For your safety

Safety instructions

Safety instructions for working on the appliance

■The appliance may only be connected

and commissioned by authorised

contractors.

■Observe the specified electrical

connection requirements.

■Modifications to the existing

installation may only be carried out by

authorised contractors.

■The appliance must be earthed.

These instructions are intended for

users of the appliance

Before commissioning and operating the appliance, please read the documents

enclosed with the appliance.

Follow the safety instructions closely to prevent hazards, injury and material

losses.

Store the supplied documents in a safe place.

Connecting the appliance

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Safety instructions for operating the device

Danger

Hot surfaces can cause burns.

■ Do not open the appliance.

■ Do not touch the hot surfaces of

uninsulated pipes and fittings.

Auxiliary components, spare parts

and wearing parts

Caution

Components that were not tested

with the appliance may damage the

appliance or affect its function.

Have all installation or replacement

work carried out exclusively by

heating contractors.

Danger

Damaged equipment poses a

safety hazard.

Check the appliance for external

damage.

Never start up a damaged

appliance.

For your safety (cont.)

Safety instructions

■ All settings and work on the appliance

must be performed as specified in

these operating instructions.

Further work on the appliance may be

carried out only by authorised

contractors.

■ Do not open the appliance.

■ Do not remove its casings.

■ Do not modify or remove any

attached parts or installed

accessories.

■ Do not open or retighten any pipe

connections.

Working on the appliance Cleaning the appliance

■ Clean the exterior of the appliance

with a commercially available

domestic cleaning agent.

Do not use scouring agents,

solvent-based cleaners or steam

cleaners.

■ Regular maintenance ensures

trouble-free, energy efficient,

environmentally responsible and safe

operation.

Have the appliance tested and

serviced by an authorised contractor

at least every 3 years.

Danger

Incorrectly executed work on the

appliance can lead to life

threatening accidents.

Work on electrical equipment may

only be carried out by a qualified

electrician.

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For your safety

Safety instructions

■ For showers, the DHW temperature

must not exceed 55 °C.

If necessary, have safety equipment

installed to prevent scalding.

■ Temperatures above approx. 43 °C

can cause a burning sensation,

particularly in children.

■ The fittings will also become hot after

an extended runtime.

■ In the case of appliances for

reheating, the water running into the

appliance may already be hotter than

the required temperature.

Consequently the water may be too

hot when it is drawn off.

■ To prevent it from overheating, do not

cover the appliance.

■ At all times comply with the operating

conditions specified on the type plate.

Operation of the appliance

■ Ensure that the water can flow freely

from the water outlet.

■ Do not install any fittings or

appliances that will obstruct the free

flow of water from the water outlet.

■ Regularly descale the water outlets at

the draw-off points, e.g. shower head,

aerator, taps.

■ Use only fittings, aerators and shower

heads that have been recommended

by the manufacturer.

Operating appliances in

non-pressurised installations

Caution

Incorrect ambient conditions may

damage the appliance and put safe

operation at risk.

■ Ensure ambient temperatures

above 0 °C.

■ Avoid air contamination through

halogenated hydrocarbons

(e.g. as contained in paints,

solvents and cleaning agents).

Avoid excessive dust, e.g.

through grinding/polishing work.

■ Avoid constant high humidity

levels (e.g. through continuous

drying of laundry).

Installation room requirements

Danger

Easily flammable liquids and

materials (e.g. naphtha/petrol,

solvents, cleaning agents, paints or

paper) can trigger deflagration and

fire.

Never store or use such materials

in the installation room or in the

immediate vicinity of the appliance.

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For your safety (cont.)

Safety instructions

Danger

If there are leaks in the appliance,

there is a risk of electric shock.

■Isolate the appliance from the

power supply, e.g. at the

separate fuse or a mains isolator.

■Close the water supply pipe.

■Notify your heating contractor.

If water escapes from the appliance

Danger

If water escapes from the

appliance, there is a risk of

scalding.

Do not touch the hot water.

Faults on the appliance

■Isolate the appliance from the power

supply, e.g. at the separate fuse or

a mains isolator.

■ Close the shut-off valve of the cold

water supply.

■Notify your heating contractor.

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Product information

Operating instructions

Intended use

The appliance is used for the heating of

domestic hot water and can supply one or

more draw-off points as applicable.

The appliance is intended for domestic use.

It can be operated safely by untrained

persons. The appliance can also be used in

a non-domestic environment, e.g. in a small

business, as long as it is used in the same

way.

Any use that differs from or goes beyond this

is considered inappropriate.

Intended use also extends to compliance with

these instructions and with the instructions for

any accessories used.

Electric water heater for pressurised or

non-pressurised installation.

Max. water pressure in system: 0.6 MPa

■Corrosion-resistant stainless steel

cylinder

Anode does not need to be replaced on

a regular basis.

■Efficient heating module

Output: 2000 W

DHW heating from 10 to 40 °C in 5.5 min

for 5 l.

■

Energy efficiency class A

Very low energy loss.

■ Functional temperature control

Water temperature can be variably

adjusted between 23 and 70 °C

Types of installation

Types ES4.A5 OK and ES4.A5 OTK:

Appliances for installation above a washbasin

with water connections pointing vertically

downwards.

Type ES4.A5 K:

Appliances for installation below a washbasin

with water connections pointing vertically

upwards.

Note:

In a pressurised installation, water may

occasionally escape from the safety valve.

In a non-pressurised installation, water may

occasionally escape from the hot water

draw-off point.

This is not a malfunction.

Any water that occasionally escapes must be

able to drain away freely at all times.

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Operating instructions

Operation

Switching on

Caution

The appliance may be damaged if it is

switched on before it is completely filled.

Do not switch on the appliance until the

integral cylinder is completely filled with

water.

Draining

Caution

In a pressure-tested installation, the

appliance may be damaged if the safety

valve is not functioning correctly.

■ Open the safety valve regularly and

remove any deposits.

■ Check the safety valve regularly for

blockages and correct operation:

Turn the lever of the safety valve so

that water flows out of the outlet

pipe. If no water comes out of the

outlet pipe, the valve is faulty and the

appliance must not be operated.

Caution

The appliance may be damaged if

operated in areas at risk from frost.

If there is a risk of frost, drain the

appliance completely:

■ Appliances installed above

washbasins (types ES4.A5 OK and

ES4.A5 OTK):

Undo the connection pipe from the

inlet connector (cold water). Open

the hot water tap.

■ Appliances installed under the

washbasin (type ES4.A5 K):

Undo flexible hoses from inlet and

outlet connectors (hot and cold

water). Unhook the appliance at the

wall and turn it 180° to drain it.

Temperature control

A rotary switch for adjusting the temperature

is located on the front of the appliance.

■ Switching on:

Turn the temperature switch clockwise.

The water temperature can be variably

adjusted between " " (~7 °C) and "○○○"

(~70 °C). In heating mode, the LED

illuminates and the water is heated.

■ Switching off:

Turn the temperature switch anticlockwise.

Position when appliance is switched off:

See adjacent diagram.

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Operation (cont.)

Operating instructions

Faults

Venting

Caution

Air in the water installation may damage

the appliance.

Vent the system after working on the

appliance or the water installation.

1. Switch off the power supply, e.g. at the

separate fuse or a mains isolator.

2. Open and close the hot water tap several

times to vent the water installation until a

constant, even flow of water is achieved.

3. Turn the rotary switch to the required

temperature.

4. Switch on the power supply.

No. Fault Background Remedy

The appliance is not

heating the water

and the LED is not

illuminated.

Power supply fault. Check the fuses.

Fault with the rotary

temperature switch.

Replace the rotary

temperature switch.

(Heating contractor)

The appliance is not

heating the water and

the LED is illuminated.

Fault with the heating

module.

Replace the appliance.

(Heating contractor)

Fault with the temperature

limiter.

Switch on the temperature

limiter or replace it.

(Heating contractor)

The appliance is heating

the water and the LED is

not illuminated.

Fault with the LED. Replace the LED.

(Heating contractor)

Operation (cont.)

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Operating instructions

Specification

VITOTHERM DHW cylinder ES4.A5 K ES4.A.5 OK ES4.A.5 OTK

Contents l 5

Voltage 220 - 240 V~

Rated output W 2000

Rated current A 8.3 - 9.1

Temperature range °C 23 - 70

Pressure resistance MPa 0.6

Dimensions (height x width x depth) mm 427 x 285 x 163

Weight

(dry) kg 4.4

IP rating IP 24

Water connection (male thread) G 1/2"

Water connection (mixer tap) - - G 1/2"

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