Eneren HHP-EWM User manual

HF61GJ0824 / 09_23

USER MANUAL AND TECHNICAL MANUAL

HHP-EWM

TRANSLATION OF THE ORIGINAL INSTRUCTIONS

AIR-WATER REVERSIBLE HEAT PUMP

Modello - Model

Matricola - Serial number

Codice identicativo - ID code

Data di produzione - Date of production

Categoria PED/ 2014/68/EU - Category PED/ 2014/68/EU

Procedura di valutazione conformità PED - PED conformity module

Max pressione ammissibile (PS) lato alta pressione - Max allowable pressu-

re (PS) high pressure side [bar-r]

Max pressione esercizio (PS) lato bassa pressione - Max allowable pressure

(PS) low pressure side [bar-r]

Max/min temperatura di stoccaggio - Max/min storage temperature [°C]

Max/min temperatura ambiente di funzionamento - Max/min ambient

working temperature [°C]

Potenza frigorifera* - Cooling capacity* [kW]

EER*

Potenza termica* - Heating capacity* [kW]

COP*

Refrigerante - Refrigerant [Ashrae 15/1992] / GWP

Carica refrigerante - Refrigerant charge [kg]

C1 C2 C3 C4

Refrigerante aggiunto - Added refrigerant [kg]

C1 C2 C3 C4

Carica totale refrigerante - Total charge refrigerant [kg]

CO2 equivalenti - CO2 equivalent [t]

Taratura pressione lato alta - High pressure switch set [bar-r]

Taratura pressione lato bassa - Low pressure switch set [bar-r]

Taratura valvola sicurezza refrigerante lato alta/bassa pressione - Safety

valve refrigerant high/low pressure side set [bar-r]

Massima pressione esercizio circuito acqua - Max working pressure water

circuit [bar-r]

Taratura valvola sicurezza acqua - Safety valve water side set [bar-r]

Alimentazione elettrica - Power supply

Potenza massima assorbita - Max absorbed power [kW]

Corrente massima - Full load ampere FLA [A]

Corrente di spunto - Starting current LRA [A]

Schema elettrico - Wiring diagram

Schema frigorifero - Refrigeration diagram

Peso a vuoto - Empty weight [kg]

* EN14511-2

Contiene gas uorurati ad effetto serra disciplinati dal protocollo di Kyoto/

Contains uorinated greenhouse gases governed by the Kyoto protocol

Ermeticamente sigillato/Hermetically sealed

SAFETY SYMBOLS

CWARNING

With reference to additions or

recommendations for the cor-

rect use of the unit.

ADANGER

With reference to dangerous

situations that may occur with

the use of the unit to guarantee

personal safety.

BATTENTION

With reference to dangerous

situations that may occur with

the use of the unit to prevent

damage to property and to the

unit itself.

Each unit has an identication plate that is located on

its frame and inside the electrical control panel, which

shows all the data necessary for the installation, main-

tenance and traceability of the machine.

THE LABEL SHOWS THE FOLLOWING DATA:

ŪManufacturer/Marketing body

ŪCE mark, possibly accompanied by a subscript that

identies the certifying body for the Pressure Equip-

ment Directive 2014/68/EU (PED). The number of

the certifying body must be indicated for units of a

PED category equal to or greater than class 2.

ŪSeries and size of the unit

ŪDate of manufacture

ŪMain technical data

Note the model, the serial number, the nal refrigerant

charge and the machine reference diagrams attached

to this manual so that they can be easily found in case

of data plate damaging and system maintenance.

BATTENTION

Never remove the label. This shows the serial number

of the unit from which it is possible to obtain informa-

tion about the technical features and the components

installed, to then identify the unit correctly.

Manufactured by Tecnorefrigeration S.p.A.

Viale Spagna, 31/33 - 35020 Tribano (PD) - Italy

Tel. +39 049 9588511 - Fax +39 049 9588522 - [email protected] - www.tecnorefrigeration.it

HHP-EWM |HF61GJ0824

INTRODUCTION

HHP-EWM

REVERSIBLE AEROTHERMAL UNIT

CWARNING

CAREFULLY READ THIS MANUAL BEFORE USING THE

UNIT.

CDECLARATION OF CONFORMITY

The declaration of conformity is attached separately to

the documents on board the unit, usually placed inside the

electrical compartment.

Dear Customer,

Thanking you for choosing our products, we are pleased to provide you this manual for the correct use of equipment.

Please read the recommendations described in the following pages carefully and keep the manual available to personnel

who will be responsible for managing and maintaining the unit.

Our company is at your complete disposal for any and all questions that you should require both in the unit starting phase

and at any time of its utilization.

Should scheduled and unscheduled maintenance be necessary, please contact our After-sales Technical Service for assis-

tance and spare parts.

Please nd here attached our direct contacts in case you may need assistenace:

www.eneren.it

WWW

Eneren S.r.l.

Viale Spagna, 31/33

35020 Tribano (PD) - ITALY

tel. +39 049 9588511

Fax: +39 049 9588522

e-mail: [email protected]

www.eneren.it

HHP-EWM |USER MANUAL AND TECHNICAL MANUAL

START-UP INSTRUCTIONS

1 YOUR INSTALLATION

All the tips required for a perfect installation of the equipment can be found in the installation manual.

2 REQUIRED ACCESSORIES FOR A PROPER INSTALLATION OF THE UNIT

To ensure ecient unit operation and validity of the guarantee, check the correct sizing of the following hydraulic compo-

nents installed inside the machine to make sure they match system connection requirements. Please refer to par. 8.4General

guidelines for plumbing connectionsp.34

3 FIRST START-UP

With at least 15 working days in advance, send the machine start request via email or fax to the following contact ENEREN:

Fax. 049 9588522

e-mail: [email protected]

Tel. 049 9271513

ENEREN Assistance will organize the intervention by putting you in contact with Authorized Technical Assistance Center of

the area.

All the preliminary checks and testing of the machine will be carried out together with your staff.

Your staff will be given instructions for the correct running of the machine.

4 WARRANTY ISSUE

For the warranty to be valid, the rst start-up by an Authorized Technical Assistance Center is mandatory

After testing, the Authorized Technical Assistance Center will issue a valid test certicate for the machine warranty.

5 CONNECTIONS

Check the minimum diameters required for water pipes according to the heads, see par. 5.3Characteristic curves of the

circulation pumps p.17.

Check the diameters of refrigeration pipes, see par. 5.5Liquid refrigerant lines and refrigerant chargep.18.

HHP-EWM |HF61GJ0824

TABLE OF CONTENTS

1 INTRODUCTION � � � � � � � � � � � � � � � � � � � � � � � �p.4

2 START-UP INSTRUCTIONS� � � � � � � � � � � � � � �p.5

USER MANUAL � � � � � � � � � � � � � � � � � � � � � � � � �p.7

3 GENERAL DESCRIPTION � � � � � � � � � � � � � � � �p.8

3.1 PRECAUTIONS FOR USE. . . . . . . . . . . . . . . . . . . . . . .p.8

3.2 PREMISE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .p.8

3.3 LIABILITY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .p.8

3.4 INTENDED USE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .p.8

3.5 GENERAL INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . .p.9

4 SAFETY INSTRUCTIONS� � � � � � � � � � � � � � � �p.10

4.1 SAFETY PRESCRIPTIONS. . . . . . . . . . . . . . . . . . . . .p.10

5 DESCRIPTION OF THE PRODUCT AND

TECHNICAL DATA � � � � � � � � � � � � � � � � � � � � �p.13

5.1 MAIN COMPONENTS. . . . . . . . . . . . . . . . . . . . . . . . .p.13

5.2 OPERATING LIMITS. . . . . . . . . . . . . . . . . . . . . . . . . .p.15

5.3 CHARACTERISTIC CURVES OF THE

CIRCULATION PUMPS . . . . . . . . . . . . . . . . . . . . . . .p.17

5.4 CALIBRATION OF CONTROL DEVICES. . . . . . . . . . .p.18

5.5 LIQUID REFRIGERANT LINES AND REFRIGERANT

CHARGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .p.18

5.6 SYSTEM BOOKLET . . . . . . . . . . . . . . . . . . . . . . . . . .p.23

6 INSPECTION AND TRANSPORT � � � � � � � � �p.24

6.1 INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .p.24

6.2 LOCATION OF SAFETY DATA PLATES . . . . . . . . . . .p.24

6.3 RESIDUAL RISK AREAS. . . . . . . . . . . . . . . . . . . . . . .p.25

6.4 LIFTING AND CONVEYANCE. . . . . . . . . . . . . . . . . . .p.26

6.5 UNPACKING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .p.26

7 RETIRING THE UNIT � � � � � � � � � � � � � � � � � � �p.27

7.1 ENVIRONMENT PROTECTION . . . . . . . . . . . . . . . . .p.27

7.2 WASTE ELECTRICAL AND ELECTRONIC

EQUIPMENT MANAGEMENT. . . . . . . . . . . . . . . . . . .p.27

7.3 PACKAGING DISPOSAL. . . . . . . . . . . . . . . . . . . . . . .p.28

TECHNICAL MANUAL � � � � � � � � � � � � � � � � � �p.29

8 INSTALLATION � � � � � � � � � � � � � � � � � � � � � � � �p.30

8.1 POSITIONING AND INSTALLATION . . . . . . . . . . . . .p.30

8.2 REQUIREMENTS FOR THE INSTALLATION OF

UNITS WITH A2L REFRIGERANT . . . . . . . . . . . . . . .p.32

8.3 QUALITY OF THE WATER IN THE SYSTEMS . . . . . .p.34

8.4 GENERAL GUIDELINES FOR PLUMBING

CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .p.34

8.5 BUFFER TANK FOR HEATING AND COOLING

CIRCUIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .p.35

8.6 CONTROL AND SAFETY DEVICES . . . . . . . . . . . . . .p.35

9 ELECTRICAL CONNECTIONS � � � � � � � � � � � �p.38

9.1 GENERAL DESCRIPTION. . . . . . . . . . . . . . . . . . . . . .p.38

9.2 EXTERNAL ENABLING CONTROLS . . . . . . . . . . . . .p.38

9.3 REMOTE SUMMER-WINTER SWITCHING . . . . . . . .p.38

10 START-UP � � � � � � � � � � � � � � � � � � � � � � � � � � � �p.40

10.1 PRELIMINARY CHECKS . . . . . . . . . . . . . . . . . . . . . .p.40

10.2 START-UP THE UNIT . . . . . . . . . . . . . . . . . . . . . . . . .p.40

10.3 SELECTING THE OPERATING MODES . . . . . . . . . . .p.41

10.4 SETTING THE SET-POINTS. . . . . . . . . . . . . . . . . . . .p.42

10.5 CHECKS DURING OPERATION . . . . . . . . . . . . . . . . .p.42

10.6 STOPPING THE UNIT . . . . . . . . . . . . . . . . . . . . . . . .p.43

11 ROUTINE MAINTENANCE AND CHECKS � �p.44

11.1 WARNINGS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .p.44

11.2 MAINTENANCE TABLE . . . . . . . . . . . . . . . . . . . . . . .p.44

11.3 REFRIGERATION CIRCUIT REPAIRS. . . . . . . . . . . . .p.45

11.4 TIGHTNESS TEST . . . . . . . . . . . . . . . . . . . . . . . . . . .p.45

12 TROUBLESHOOTING � � � � � � � � � � � � � � � � � � �p.46

12.1 UNIT ALARM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .p.46

12.2 TROUBLESHOOTING. . . . . . . . . . . . . . . . . . . . . . . . .p.46

13 SAFETY DATA SHEET OF REFRIGERANT

� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �p.47

14 MAINTENANCE TABLE � � � � � � � � � � � � � � � � �p.48

15 SYSTEM DIAGRAMS � � � � � � � � � � � � � � � � � � �p.49

16 NOTES � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �p.51

HHP-EWM |USER MANUAL AND TECHNICAL MANUAL

USER MANUAL

HHP-EWM |HF61GJ0824

3 GENERAL DESCRIPTION

3.1 Precautions for use

The operating rules contained in this manual are solely ap-

plicable for the units:

HHP-EWM

The instructions manual must be read and used as follows:

Ūevery unit operator and maintenance technician must

carefully read the entire manual and comply with that

stipulated therein;

Ūthe employer must ensure that the operator has the re-

quirements to operate the unit and has carefully read the

manual;

Ūread the instructions manual carefully and consider it an

integral part of the unit;

Ūthe instructions manual must be readily available to op-

erating personnel and maintenance technicians;

Ūkeep the manual throughout the life of the unit;

Ūmake sure that any update is included in the text;

Ūhand the manual to any other user or subsequent owner

of the unit;

Ūuse the manual in such a way so as not to damage its

content;

Ūdo not, for any reason, remove, tear or rewrite parts of

the manual;

Ūkeep the manual away from humidity and heat;

Ūif the manual is lost or partially damaged and therefore

the contents can no longer be read entirely, it is advisa-

ble to request a new manual from the manufacturer by

communicating the code found on the cover or the serial

number of the unit.

3.2 Premise

The operating rules described in this manual are an integral

part of the unit supply.

These rules are also intended for the previously trained op-

erator specically to operate this type of unit and contain

all the necessary and important information for operating

safety and optimal, proper use of the unit. Avoid hasty and

incomplete preparation that lead to improvisation and cause

many accidents.

Before starting to work, read through and strictly observe the

following suggestions:

Ūthe operator must always have the instructions manual

at his disposal;

Ūplan each action carefully;

Ūbefore starting work, make sure the safety devices func-

tion correctly and you have no doubts on how they work;

otherwise, do not start-up the unit;

Ūcarefully observe the warnings relating to special haz-

ards contained in this manual;

Ūpreventive and thorough maintenance guarantees con-

stantly high operating safety for the unit. Never delay

repairs and always have them carried out solely by qual-

ied personnel; only original spare parts are to be used.

3.3 Liability

The MANUFACTURER cannot be held liable for any personal

accident or damage to property, which may arise from:

Ūfailure to comply with the instructions provided in this

manual regarding unit management, use and mainte-

nance;

Ūviolent actions or incorrect manoeuvres when perform-

ing maintenance on the unit;

Ūalterations made to the unit without prior written author-

isation from the MANUFACTURER;

Ūincidents beyond the normal and correct use of the unit.

In any case, if the user attributes the incident to a defect in

the unit, he must prove that the damage caused was a main

and direct consequence of this “defect”.

BATTENTION

ŪWhen installing or servicing the unit, the rules stipulat-

ed in this manual must be complied with together with

those on board the unit and in any case all necessary

precautions must be taken.

ŪThe presence of pressurised uids in the refrigerant cir-

cuit and of electrical components can create hazardous

situations during installation and maintenance.

ŪTherefore, only qualied personnel may perform work on

the unit.

ŪTHE UNIT MUST BE STARTED UP FOR THE FIRST TIME

ONLY BY QUALIFIED PERSONNEL AUTHORISED BY THE

COMPANY PLACING IT ON THE MARKET.

ŪFAILURE TO COMPLY WITH THE RULES STIPULATED

IN THIS MANUAL AND ANY ALTERATION TO THE UNIT

WITHOUT PRIOR AUTHORISATION WILL IMMEDIATELY

MAKE THE WARRANTY NULL AND VOID.

ŪBefore performing any work on the unit, ensure it has

been disconnected from the power supply.

ŪFor maintenance service or repairs always and exclu-

sively use original spare parts. THE MANUFACTURER

declines all responsibility for damages that may occur

due to non-compliance with the above.

ŪThe unit is covered by the warranty according to the con-

tractual agreements established at the time of sale.

ŪHowever, the warranty is rendered null and void if the reg-

ulations and user instructions stipulated in this manual

are not complied with.

ŪIn the event of a fault, do not try to repair it yourself or

have an unauthorised technician perform the repairs.

The warranty will otherwise be rendered null and void.

3.4 Intended use

HHP-EWM are air-water heat pumps which, without using

any type of combustion or ame, allow the entire home to be

heated or cooled and technical hot water to be produced for

sanitary purposes in a completely autonomous way, thanks

to the exchange of heat with the outside air.

HHP-EWM |USER MANUAL AND TECHNICAL MANUAL

Their use is recommended within the functioning limits car-

ried in this manual, or else the warranty attached to the sales

contract would cease.

Any other use is to be considered inappropriate and the

manufacturer declines all liability for any damage caused to

persons, property or the unit that may derive from such use.

ADANGER

ŪPlace the unit in environments where there is no risk of

explosion, corrosion or re.

ŪImproper use could cause serious repercussions on the

unit.

ŪAll routine and special maintenance operations must be

performed with the unit off and the power supply discon-

nected.

ŪWait approximately 30 minutes after switching off the

unit before carrying out any maintenance operations to

avoid burns.

ŪThe indoor unit is only for indoor use, the outdoor unit is

only for outdoor use.

BATTENTION

ŪBefore performing any work on the unit, each operator

must be perfectly aware of how the unit and its controls

work and must have read and understood all the techni-

cal information in this manual.

ŪIt is forbidden to use the unit in conditions or for us-

es other than what is indicated in this manual and the

MANUFACTURER may not be held responsible for break-

downs, accidents or injuries due to failure to comply with

this prohibition.

ŪDo not repair high pressure pipes with welds.

ŪIt is forbidden to tamper with, alter or modify, even par-

tially, the systems or equipment described in the instruc-

tion manual, and in particular, the guards and warning

symbols required for personal safety.

ŪIt is also forbidden to operate in manners different from

those indicated or fail to perform operations necessary

for safety reasons.

ŪSafety instructions are particularly important, as well as

general information contained in this manual.

3.5 General instructions

BATTENTION

ŪThis manual must be stored carefully in a place that is

known by the user of the unit, managers and operators

in charge of transport, installation, use, maintenance, re-

pairs and nal dismantling.

ŪThis manual indicates the intended use of the unit and

provides instructions regarding transport, installation,

assembly, adjustment and use. It provides information

regarding maintenance, ordering spare parts, the pres-

ence of residual risks and personnel training.

ŪPlease note that the use and maintenance manual is not

intended to be a substitute for adequate user experience.

ŪThis manual represents a reminder of the main opera-

tions to be performed by operators who have received

specic training, for example by attending training

courses held by the manufacturer, with reference to par-

ticular maintenance operations.

ŪThis manual is to be considered an integral part of the

unit and must be stored near the unit in a special contain-

er until the unit is eventually demolished.

ŪRequest a new copy from the manufacturer if it is lost or

deteriorated.

ŪMake sure all the users have thoroughly understood the

operating instructions together with the meaning of any

symbols on the unit.

ŪPossible accidents can be avoided by following these

technical instructions drafted in accordance with the Ma-

chinery Directive 2006/42/EC and subsequent additions.

ŪIn any case, always comply with national safety regula-

tions.

ŪDo not remove or damage the safety devices, labels and

notices, especially those imposed by law.

ŪAdhesive labels intended for safer use are applied to the

unit, therefore, it is very important to replace them if they

become illegible.

ŪThis manual reects the applicable technology at the

time the unit is sold and cannot be considered inade-

quate due to subsequent updates based on new expe-

rience.

ŪThe MANUFACTURER has the right to update the pro-

duction and manuals, without being obliged to update

previous production and manuals, except for exceptional

cases.

ŪAny updates or additions to this use and maintenance

manual are to be considered an integral part of the man-

ual and may be requested via the contact phone num-

bers listed in this manual.

ŪContact THE MANUFACTURER for further information

and to submit any proposals on how to improve the man-

ual.

ŪTHE MANUFACTURER kindly asks you to report the ad-

dress of the new owner in case of transfer of the unit,

in order to facilitate forwarding any supplements of the

manual to the new user.

HHP-EWM |HF61GJ0824

4 SAFETY INSTRUCTIONS

BATTENTION

The safety instructions below should be read carefully after

understanding the operation of the unit, and before proceed-

ing with its installation, commissioning and/or maintenance.

Electrical equipment must be installed, used, and maintained

by qualied personnel.

Personnel must have skills and knowledge relating to the

construction, installation and operation of electrical equip-

ment and must have received adequate safety training.

4.1 Safety prescriptions

4.1.1 Thoroughly know the unit

The unit must only be used by qualied personnel, who are

expected to know the arrangement and function of all con-

trols, instruments, indicators, indicator lights and various

data plates.

4.1.2 Wear protective clothing

Each operator must use personal protective equipment such

as gloves, headgear, safety goggles, safety shoes, and hear-

ing protection.

4.1.3 Use safety equipment

A rst aid kit and a re extinguisher must be placed near the

unit.

4.1.4 Fire extinguisher and a first aid kit

Check the presence and location of the re extinguisher.

Regularly check that the re extinguishers are charged and

their operating instructions are clearly understood.

It is required to be aware of where the rst aid box is kept.

Periodically check that the rst aid kit is stocked with disin-

fectants, bandages, drugs, etc.

The personnel must know what to do in the event of a re.

Make sure that emergency help phone numbers are readily

available.

In the event of a re, use a re extinguisher in compliance

with the regulations in force. Contact the re department.

CWARNING

The owner of the building where the unit is installed must

provide the required re extinguisher.

4.1.5 General precautions

Regulation (EU) 2023/1230 provides the following deni-

tions (Annex III - Part A):

DANGER ZONE: means any zone within and/or around ma-

chinery or a related product in which a person is subject to a

risk to his or her health or safety.

EXPOSED PERSON: any person found entirely or partially

within a danger zone.

OPERATOR: means the person or persons installing, oper-

ating, adjusting, maintaining, cleaning, repairing or moving

machinery or a related product;.

CWARNING

ŪBefore carrying out any operation or maintenance on the

unit it is mandatory to read and follow the instructions

given in the use and maintenance manual. During the

actual work, it would be too late: any not recommended

or wrong operation could then cause serious damage to

people or property.

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