Kronoterm WPG-07-1 HT Manuale di riferimento

Manual for Installation, Use and

Maintenance

For heat pumps earth-water and water-water

WPG-07-1 HT, WPG-10-1 HT

WPG-15-1 HT, WPG-18-1 HT

WPG-21-1 HT

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

ENG

Id.: 17-16-32-3048-01 | 7.2017

Manual for Installation, Use and Maintenance of the earth-water and water-water heat pump

WPG-07-1 HT, WPG-10-1 HT, WPG-15-1 HT, WPG-18-1 HT, WPG-21-1 HT

Id: 17-16-32-3048-00 | 7.2017

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.

Important information 5

1.1

Symbols 5

1.2

General 6

1.3

Safety warnings and instructions 6

1.4

Obligations of the manufacturer 9

1.5

Obligations of the installer during installation 9

1.6

Obligations of the authorised contractor for commissioning at first commission. 9

1.7

Obligations of the user 9

1.8

Factory testing 10

Transport and installation of the device 11

2.1

Transport 11

2.2

Installation of the device 11

2.3

Storing and warehousing of the device 11

2.4

Delivery package 11

2.5

Package and worn-out device management 12

Installation of the device 13

3.1

General 13

Minimal clearance from the device 15

Levelling of the device 15

Removal of the lid. 16

Set up and connection of the external sensor. 17

3.2

Heating system of machine installations 17

The scheme of the heating system 18

Preparing the heating hydraulic system - secondary 20

Charging of the heating system 22

Heat source - primary 24

Underground water - primary 24

3.3

Electrical connection 25

Description of elements in the electrical cabinet 26

Schematic display of the control system - TT3000 27

Connection of the internal control unit – TT3000 28

Electrical connection of the power cable 30

3.4

Basic input-output module MD1 - WPG 33

Connection of the elements to the internal control unit TT3000 34

Main circulation pump connection 36

Connecting heating cycle 2 (direct cycle - optional) 37

Connection of heating cycle 2 (optional) 37

DHW connection (optional) 40

Connection of the device’s remote on/off (optional) 41

External switch of heating/cooling (optional) 41

Connecting the cooling valve (optional) 42

Connecting the relay of the additional source DOVOG- gas/oil DHW (optional) 42

3.5

Connection of the room temperature corrector KT-1 and KT-2 43

Commissioning of the device 44

Maintenance 44

5.1

Cleaning the water filter 44

5.2

Monitoring the pressure in the heating system 44

5.3

Cleaning of the heat conductors 45

Cleaning of the heating system (water side) 45

5.4

Operation malfunctions 45

Technical data 46

6.1

Dimensions of the device 46

6.2

Technical data 47

6.3

Operating envelope 52

Heating mode 52

Cooling mode 52

6.4

Noise 53

6.5

Legend of data label 55

1. 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.

An authorised commission contractor is trained by the manufacturer and authorised to perform

commission.

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. To reduce

risk the manual points out important information with the use of symbols.

1.1 Symbols

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 requirements

of the manufacturer.

1.2 General

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.

NOTE

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

manual; otherwise the manufacturer does not acknowledge the warranty.

NOTE

The device is designed for yearly use of 2000 hours. Choosing an inadequate

power of the device can lead to yearly operation of above 2000 hours which

will reduce the lifespan of the device.

NOTE

Devices with the rated current higher than 16 A are in accordance with IEC

61000-3-12.

NOTE

After connecting the device it is necessary to acquire the guarantee or consult

the operator of the distribution network that the impedance of the network is

lower than prescribed for the individual type of device in the technical data.

This way the device will operate within acceptable limits of disruptions.

Otherwise it is necessary to connect the device to the network using a soft

start 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

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

qualified installer.

1.3 Safety warnings and instructions

DANGER

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

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 informed 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 with lack of experience and knowledge can only

operate the device under the supervision of an informed person.

WARNING

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

consider the manual for safe use and maintenance.

WARNING

Installation has to be performed in accordance with national regulations on

electrical installations and with the instructions of the manufacturer. It has to

be performed by a professionally trained person.

CAUTION

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

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 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 fluorinated greenhouse gas. This is why tampering with

the device is only allowed to persons authorised for working with the

refrigerant as defined by the national legislation in force. While performing

works on the device, it is necessary to prevent the refrigerant to leak into the

atmosphere.

WARNING

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.

WARNING

Electrical installations have to be inspected in accordance with regulations on

the requirements for low voltage electrical installations in buildings by the

installer of electrical installations.

DANGER

Connecting the devices power cable can be performed by a qualified

electrician. During the procedure the device must not be live.

WARNING

In case the power cable of the device is damaged it has to be immediately

replaced. The replacement can only be performed by the manufacturer and

authorised maintenance worker.

WARNING

Before opening the device disconnect all electrical circuits and make sure the

device is not live.

CAUTION

Putting any kinds of items on or next to the device is prohibited.

CAUTION

In case the device is placed on the ground which is more subject to the

transfer of vibrations than a classical concrete panel with a screed, it is

necessary to underlay the device with a suitably thick and quality anti-vibration

underlay.

CAUTION

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.

CAUTION

In three-phase versions of the device, it is necessary to ensure the correct

arrangement of phases when connecting it to the power supply.

CAUTION

For the correct operation of the device, the electrical distributor has to provide

electricity of adequate quality (SIST EN 50160). In normal conditions this is

within ± 10 % of the rated voltage The data about the state of the electrical

grid have to be acquired from the electrical distributor.

CAUTION

Operation of the device with a frequency converter is forbidden.

CAUTION

Connecting the device to the electrical network has to be performed in

accordance with the standards for connecting devices to the electrical

network. Connect the device to the electrical network via the power supply

cut-off which is installed into the electrical installation under the regulations in

force.

1.4 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 arising from:

Non-compliance with the manual for the device.

Incorrect and/or inadequate maintenance of the device.

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

1.5 Obligations of the installer during installation

The installer is responsible for installing 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.

1.6 Obligations of the authorised contractor for commissioning at

first commission.

CAUTION

The first commission can only be performed by the contractor of commissions appointed by

the manufacturer in accordance with the instructions for commission.

The contractor for commissions is responsible for commissioning the device in accordance with the

following requirements:

Performs the first commission and with the installer of others section of heating system

eliminates all eventual irregularities found at the commission.

To train the user for operating the device and settings.

Alerts the user to regularly maintain the device for keeping the device functioning properly

throughout its entire lifespan.

Gives the user all the documentation accompanying the device.

1.7 Obligations of the user

For ensuring unobstructed and effective operation of the device the user has to follow the following

instructions:

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

use.

To have a qualified and authorised installer perform the installation of the device.

To have a contractor for commissions perform the commission.

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

functioning and how to operate the device.

Ensure regular yearly inspections and maintenance of the device by the authorised

maintenance worker.

Store this manual in an appropriate dry place close to the device.

1.8 Factory testing

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

Tightness of the cooling cycle,

Water-tightness

Electrical safety and

Functionality.

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