Kronoterm WP2 LF-202S Manuel d'utilisation

Instructions for Use and Installation

Of the Heat Pump for Heating DHW

WP2 LF-202S

WP2 LF-302S

The manual has to be handed over to the end user after installation.

ID.: 17-16-20-2976-06 / 6.2017

ENG

ID.: 17-16-20-2976-06 | 6.2017

Manual for use and installation - Version 06 / Status 6.2017

Printed in Slovenia, copyright: Kronoterm d.o.o.

This document is copyrighted. Any use outside the provisions of the copyright law without the

permission of Kronoterm d.o.o. is illegal and punishable by law. All previous versions of this

document are void. We reserve the right to make changes and mistakes in print.

ID.: 17-16-20-2976-06 | 6.2017

1 Index

1Index 2

2Important information 4

2.1 Symbols 4

2.2 General warnings and instructions 4

2.3 Safety warnings and instructions 5

2.4 Obligations of the manufacturer 8

2.5 Obligations of the installer during installation 8

2.6 Customer support and service 8

2.7 Obligations of the user 8

2.8 Factory testing 9

2.9 Storage 9

2.10 Transport 9

2.11 Delivery package 10

3Technical description 10

3.1 General 10

3.2 Components 11

3.3 Operating principle 13

4The position of connections and dimensions 14

5Installation of the device 15

5.1 Minimal clearance from the device 16

5.2 Levelling of the device 17

5.3 Hydraulic connection 17

5.4 Installation of air ducts. 19

5.5 Connection for water condensate 21

5.6 Connecting the pipe heat conductor 22

5.7 Installation of the temperature sensor for the external controller 25

5.8 Electrical connection 26

5.8.1 The electrical connection of the additional heat source and external switch 26

6Commissioning of the device 27

6.1 Filling the device with water 27

6.2 Inspections before commissioning 27

6.3 Connecting the device to the electrical supply 28

6.4 Commissioning of the device 28

7Controller 29

7.1 Controls 29

7.2 The program and parameters 30

7.3 Settings for programmes and parameters 31

7.3.1 Setting the water temperature 31

7.3.2 Switching between various operation programmes 31

7.3.3 Display and settings of parameters 31

7.3.4 Programme “Antifreeze” P.0 31

7.3.5 Programme “Normal” P.1 31

7.3.6 Programme “Res. Source” P.3 31

7.3.7 Programme “Automatic” P.5 32

7.3.8 Programme “Photovoltaic-PV” P.6 32

7.3.9 Programme “External signal” P.7 32

7.3.10 Parallel operation of the device’s generator and electric heater (only automatic

programmes P.5, P.6 and P.7): 32

7.3.11 Programme “Overheating-antilegionella” 33

7.3.12 Programme “Quick heating” of water 33

8Warnings and errors 34

8.1 Warnings 34

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8.2 Errors 34

9Disposal 35

10 Care and maintenance 35

11 Disturbances in the operation 35

12 Electrical wiring diagram 35

13 Technical data 37

14 Legend of data label 38

ID.: 17-16-20-2976-06 | 6.2017

2 Important information

The manual describes the process of installation and maintenance of the device. The

installation and maintenance can only be performed by qualified personnel. Read the manual

carefully before the installation, this way you will be informed about the intended use,

functionality and process of handling the device.

The manual has to be handed over to the end user after installation.

In case the product shall be given to a third person for use, the manual has to be

handed over to them as well.

Definitions:

An informed person is a person who reads this manual.

A qualified person has a certificate of expert qualifications.

The authorised technician is trained and authorised by the manufacturer to perform

maintenance and servicing of the device.

The user uses the device according to its use.

The installer is a person professionally trained for performing hardware and/or electro-

installation work and mounting of the device.

Incorrect use of the device can lead to damage of the device, property or injury to the user.

For limiting risks, the important information in this manual is highlighted with symbols.

2.1 Symbols

Various levels of danger can occur while performing installation, maintenance and use.

Warnings in the manual will guide you to properly and safely handle the device by avoiding

eventual dangers and ensure correct operation of the device.

These symbols mark various risks for the user or the device.

DANGER: Risk of situations which can lead to serious physical injuries.

WARNING: Risk of situations which can lead to minor physical injuries.

CAUTION: Risk of situations which can lead to damage or malfunction of the

device.

This symbol marks information for the user.

NOTE: A notice which holds important information regarding the device,

requirements and the manufacturer.

2.2 General warnings and instructions

NOTE

Read the instructions for use and installation before installation.

NOTE

Any remaking or replacement of original components of the device eliminates

the manufacturer’s guarantee for safe and functional operation. In the case of

undesignated and incorrect use of the device, the manufacturer is not

responsible for the consequences and will not acknowledge claims for

damages in these cases. The user is solely responsible for injuries and

damages on the device itself or on other objects resulting from undesignated

and incorrect use of the device.

ID.: 17-16-20-2976-06 | 6.2017

NOTE

The installation of the device has to be performed in accordance with the

manual; otherwise the manufacturer does not acknowledge the warranty.

NOTE

It is necessary to consider all technical data and instructions in this manual

as well as all warnings and notes during planning, design, installation and use

of the device.

DANGER

Failure to comply with the manual and good practise while connecting the

device to the power supply can lead to serious injury or death.

WARNING

This device is intended for home use. Use of the device in hotels, stores,

farms, light industry and other public buildings is permitted to experts or

specially trained staff.

WARNING

Connecting the device to the power source can only be performed by a

qualified installer.

2.3 Safety warnings and instructions

WARNING

The device cannot be installed on a location where air is polluted with toxic

agents which could damage the device (stables, warehouses with dangerous

substances, outdoors, etc.)

WARNING

The inlet pipe of the device has to be fitted with a safety valve with a nominal

pressure of 0.6 MPa (6 bar) which prevents pressure raising in the water

heater above the nominal pressure.

WARNING

Transportation of the device is allowed in upright position. In case the device

is laid on the side, it is necessary to consider the instructions on the package

or in this manual.

WARNING

The buffer tank for DHW is intended for storing drinking water, this is why the

water has to be in accordance with the national regulations on drinking water

in force; otherwise, damage to the device and a termination of the warranty

can arise.

WARNING

If there is no water in the buffer tank for DHW, the device must not be in

operation.

ID.: 17-16-20-2976-06 | 6.2017

WARNING

The connecting cable has a standard plug suitable for a standard socket (16

A; 230 V ac). This socket has to have its own power supply directly from the

main electrical cabinet. Other devices must not be connected to the same

line.

WARNING

The water from the device is emptied through the inlet pipe of the DHW buffer

tank. For this reason, it is advisable to install a special link or discharge valve

between the safety valve and the inlet pipe.

WARNING

For ensuring proper functioning of the safety valve, the valve has to be

checked regularly. Clean the lime scale if necessary and make sure the safety

valve is not blocked.

WARNING

Water can drip from the drainage pipe of the overflow, the pipe must be

subjected to outdoor air

If you fit the valve with a pipe, it must be facing

downward so the water inside cannot freeze.

WARNING

It is prohibited to play with the device. Children are not allowed to clean the

device without supervision.

WARNING

The device can be operated independently only by persons who are familiar

with the safe operation of the device and understand possible hazards of its

operation. Children older than 8 and people with reduced physical and mental

capacities and lacking experience and knowledge can only operate the device

under the supervision of an informed person.

WARNING

It is prohibited to move, shift, clean and service the device while in operation.

WARNING

Children are not allowed to clean the device and perform maintenance without

supervision.

WARNING

Before installation and any further adjustments to the device, it is necessary

to consider the instructions for safe use and maintenance.

WARNING

Installation has to be performed in accordance with regulations and

instructions of the manufacturer. It has to be performed by a professionally

trained person.

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WARNING

The device must not be obstructed, objects must not be laid up against it.

Free access to the device must be provided at all time. If during the operation

of the device the water temperature exceeds 85 °C, the service department

has to be notified.

WARNING

It has to be made sure that the device does not endanger anybody. Access

to the device has to be denied to children and persons who are not informed

about the operation of the device.

WARNING

The device must not be placed in a room where it cannot be removed. Later

walling or setting up of other obstacles next to the device is forbidden.

WARNING

The servicing and maintenance of the device can only be performed by a

person authorised by the manufacturer. In case of a malfunction, first contact

the installer who installed the device.

WARNING

The device must never be cleaned with cleaning agents containing sand,

soda, acid or chlorides because these might damage the surface of the

device.

WARNING

The device contains the coolant R134a, which is classified as a greenhouse

gas according to the Kyoto protocol. This is why operating the device is only

allowed to persons authorised for working with the coolant as defined by the

national legislation in force. While performing works on the device, it is

necessary to prevent the coolant to leak into the atmosphere.

DANGER

Connecting the devices power cable must be performed by a qualified

electrician. During the procedure the device must not be live. The cord has to

be accessible and the socket must be of such type which enables the cord to

be pulled out in a simple manner.

CAUTION

To avoid danger, a damaged power cable can only be replaced by the

manufacturer or an authorised installer.

ID.: 17-16-20-2976-06 | 6.2017

2.4 Obligations of the manufacturer

The manufacturer guarantees that the device is in accordance with current European directives

and standards. The device is marked with the mark CE and it has all the necessary

documentation.

We reserve the right to make changes to the manual without prior notice.

As manufacturer, we do not take responsibility for the consequences in the following cases:

Non-compliance with the manual for the installation of the device.

Non-compliance with the manual for the device.

Wrong and/or inadequate maintenance of the device.

2.5 Obligations of the installer during installation

The installer is responsible for installing and commissioning the device in accordance with the

following requirements:

To thoroughly study the instructions for use and installation accompanying the device

before installation.

To install the device in accordance with the instructions and national legislation, policies

and standards in force.

To perform the first commission and eliminate all eventual irregularities found during

commission.

To train the user for operating the device and settings.

To alert the user to regularly maintain the device for keeping the device functioning

properly throughout its entire lifespan.

To instruct the user about the operation of the whole system.

To give the user all the documentation accompanying the device.

2.6 Customer support and service

The manufacturer of the device provides customer support and service during the warranty

period.

When filing a service claim, provide the following information:

The precise product code.

Serial number.

Year of manufacture.

All needed information is provided on the label printed on the device.

NOTE

In case of any change or replacement of original parts, forced or incorrect use of

the device, the warranty is terminated. Eventual costs arising from the service

procedure are fully covered by the user.

During the warranty period service and maintenance can only be performed by the

manufacturer or authorised service provider. Otherwise, the warranty is

terminated.

2.7 Obligations of the user

The user must ensure uninterrupted and efficient operation of the device by considering the

following instructions:

Thoroughly study the instructions for installation and use accompanying the device.

Installation and commissioning of the device have to be performed by a qualified and

authorised person.

Allow the authorised contractor for commissions or ask him to thoroughly explain the

functioning and how to operate the device.

ID.: 17-16-20-2976-06 | 6.2017

Ensure regular inspections and maintenance of the device by the authorised

maintenance worker.

These instructions for installation and use must be kept in a suitable dry place close to

the device.

2.8 Factory testing

For ensuring the high quality standard, every device is tested in production for the following:

Tightness of the cooling cycle.

Water-tightness.

Air-tightness.

Electrical safety.

Functionality.

2.9 Storage

The device has to be stored in a dry and clean place. The allowed storing temperature is

between 10 °C and 45 °C, for a short period (up to 24h) also up to 55 °C.

2.10Transport

The device packed in a cardboard packaging can be transported in the vertical or horizontal

position. In a horizontal position, the device can only be tilted to the right (seen from the front

side) as defined on the cardboard packaging.

CAUTION

Horizontal transport in the cardboard packaging is allowed only up to a distance of

150 km.

If the device is transported without a cardboard packaging, it has to be properly protected.

When transporting the device in horizontal position, the device can be tilted to the side, as

marked on the picture:

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