Auer HTi70 6 Manuel utilisateur

Made in

France

Manual ref.: 1897763

Edition no21.110

Installation and User manual

HTi70

High temperature, ultra modulating

Heat pump

HTi70 6

Ref. 955000

HTi70 8

Ref. 955010

The information contained in this document is non-contractual. The manufacturer reserves the right to modify any technical specifications and equipment of any appliances without prior notice

- MANUAL HTi70 6 & 8 KW HEAT PUMPS -

TABLE OF CONTENTS

1SAFETY ............................................................. 3

2 PLEASE READ IMMEDIATLY ........................... 5

2.1 - Conservation of documents ............................................................5

2.2 - Symbols used ........................................................................................5

2.3 - Abbreviations and acronyms...........................................................5

3  DELIVERY AND STORAGE............................. 5

3.1 - Delivery terms and conditions........................................................ 5

3.2 - Storage and transport........................................................................5

3.2.1 - General information ................................................................................................5

3.2.2 - Transporting with a forklift .................................................................................. 5

3.2.3 - Transporting manually............................................................................................5

4  INTRODUCTION............................................. 6

4.1 - Operation................................................................................................6

4.2 - Accessories (included) .......................................................................6

4.3 - Accessories available to order.........................................................6

5  INSTALLATION................................................ 7

5.1 - Standard conguration .....................................................................7

5.2 - Installation site......................................................................................8

5.2.1 - Accepted installation sites ....................................................................................8

5.2.2 - Minimum distances for placement .................................................................... 8

5.2.3 - Prohibited installation sites ..................................................................................8

5.3 - Setting up...............................................................................................9

5.3.1 - Condensates drainage............................................................................................ 9

5.4 - Hydraulic installation........................................................................10

5.4.1 - Hydraulic connections on the installation ....................................................10

5.4.2 - Hydraulic connection between Heat pump and pilot .............................11

5.4.3 - Heat pump water inlet lter (supplied)..........................................................11

5.5 - Connecting to the power supply.................................................11

5.5.1 - General recommendations.................................................................................11

5.5.2 - Accessing the connection terminals ...............................................................12

5.5.3 - Recommendations for connecting the system to the power supply..12

5.5.4 - Connection to the power supply......................................................................12

5.5.5 - Communication bus cable between the heat pump and the pilot......13

6  MAINTENANCE AND TROUBLESHOOTING 14

6.1 - General information .........................................................................14

6.2 - Maintenance on the hydraulic circuit.................................................14

6.3 - Maintenance of the Heat pump ...................................................14

6.4 - Maintenance of the electrical components..........................................14

6.5 - Consulting the meters .....................................................................14

6.6 - Sensor data curve charts.................................................................15

6.6.1 - Water inletandoutlet - de-icingsensor - airintakesensor- sensorsinstalled on

compressors1and2 -...............................................................................................................................15

6.7 - Modication.........................................................................................15

6.8 - Decommissioning..............................................................................15

6.8.1- Interim Decommissioning of Product..............................................................15

6.8.2- Final decommissioning of the product ...........................................................15

6.9 - Recycling and Disposal....................................................................15

6.9.1- Disposal of refrigerant ...........................................................................................15

7  LIST OF SPARE PARTS .................................. 16

8  WARRANTY ................................................... 17

8.1 - Warranty coverage ............................................................................17

8.2 - Limitations of warranty....................................................................17

8.2.1 - General information ..............................................................................................17

8.2.2 - Cases (not limited to) for exclusion from warranty ....................................17

8.2.2.1 - Heating circuit water ............................................................................17

8.2.2.2 - Handling....................................................................................................17

8.2.2.3 - Installation site........................................................................................17

8.2.2.4 - Electrical connections ..........................................................................17

8.2.2.5 - Hydraulic connections .........................................................................17

8.2.2.6 - Accessories...............................................................................................17

8.2.2.7 -Maintenance.............................................................................................17

APPENDIX .......................................................... 18

A1 - Technical specications....................................................................18

A1.1 - General characteristics..........................................................................................18

A1.2 - Performances............................................................................................................18

A2 - EU declaration .....................................................................................19

A3 - Frost protection ..................................................................................19

A4 - Treatment of the water in the heating circuit ..........................19

A4.1 - Preparing the hydraulic circuit (rinsing) .........................................................19

A4.2 - Filling water..............................................................................................................19

A4.3 - Treatment of the heating circuit........................................................................19

A5 - Dimensions...........................................................................................20

A5.1 - HTi70 6 kW Heat pump ...........................................................................................20

A5.2 - HTi70 8 kW Heat pump ...........................................................................................21

A6 - Product technical information sheet ..........................................22

A6.1 - HTi70 6 kW Heat pump ...........................................................................................22

A6.2 - HTi70 8 kW Heat pump ...........................................................................................23

A7 - Internal wiring diagram ...................................................................24

NOTES / MAINTENANCE ................................... 26

- MANUAL HTi70 6 & 8 KW HEAT PUMPS -3

1-SAFETY

Danger resulting from improper qualications

• Any work carried out by an unqualied

person can result in damage to the

installation or in physical injury.

• Do not perform maintenance on this appliance

unless you are a qualied professional.

• If the appliance is malfunctioning or not

working, cut the electricicty supply to the

electrical components and seek advice from a

qualied professional.

Danger resulting from improper use

This appliance should not be used by anyone

(including children under the age of 8 years

old)with reduced physical, sensory or mental

capabilities, or by anyone with insucient

experience or knowledge of the appliance;

unless they are being supervised by someone

who is responsible for their safety and in

possession of the operating instructions of the

appliance, or if they have been instructed in

the proper use and in the risks of operating the

appliance.

Children must not play with the appliance.

Cleaning and maintenance of the appliance

must not be undertaken by children without

supervision.

Applicable areas of use

The appliance is intended for use an appliance

for the production of domestic hot water: it

must be connected to a heating installation,

and while complying with the instructions,

connected to the drinking water network.

The intended use of the appliance includes the

following points:

• Following the instructions for operating,

installing and maintaining this appliance and

all of its components.

• Ensuring the compliance of the appliance to

all inspection and maintenance conditions

which are listed in this manual.

Danger of death by electrocution

• Touching live electrical wires can cause

severe bodily injury, and lead to death by

electrocution.All installation and maintenance

work must be carried out with the appliance

switched o and by a qualied professional.

Before carrying out any work on the

appliance:

- Cut-o the electricity supply.

- Ensure that there is no possibility of the

power supply becoming active again.

- Wait at least 5 minutes for the capacitors

to lose their charge.

• Do not get water on any of the control or

electrical components. Always disconnect the

appliance from the electricity supply before

carrying out work on any of the electrical

components.

Danger of death if the pressure relief valves

are missing or defective

A defective pressure relief valve may prove

dangerous and could lead to burns or other

injuries by, for example, the pipes bursting.

The information presented in this document does

not contain all of the schematic diagrams needed

for a professional installation of the pressure relief

valves.

• Install the necessary pressure relief valves on

the circuit.

• Inform the user concerning the function and

the placement of the pressure relief valves.

• Respect all applicable national and international

regulations, standards and decrees.

Risk of material damage

The heat pump can only work when lled with

water. Never switch on the appliance if it is not

completely lled with water and purged of air.

Rules and regulations (decrees, standards,

laws)

Once the appliance is installed and switched

on, all decrees, directives, technical rules, safety

measures and standards, must be respected in

their current version in eect.

The electrical supply must conform to all

applicable regulations in the country of

installation, as well as the NFC 15-100 standard.

• Amethod ofdisconnection ensuringacomplete

cut-o must be installed in the xed piping to

conform to installation regulations (do not use

a movable outlet).

• Protect the appliance with a 2-pole circuit

breaker with a minimum contact opening of

3mm and must be grounded.

• The devices for electrical cut-o must remain

accessible.

• Water may drain from the discharge pipe of

the pressure limiting device. This pipe should

be kept open to open air.

• The pressure relief valve is mounted on the

condenser. Ensure that the drainage is properly

oriented to prevent water from leaking onto the

electrical components.

Maintenance - Troubleshooting

Maintenance and cleaning of the pilot must be

carried out at least once a year by a qualied

professional.

- MANUAL HTi70 6 & 8 KW HEAT PUMPS -

This appliance is in compliance with the

international standards concerning electrical

safety CEI 60335-1, CEI 60335-2-102. The

CE branding on the appliance attests to its

compliance with the following directives:

- Low voltage (LV): 2014/35/UE

- Electromagnetic compatibility(CEM):

2014/125/CE

- Ecodesign concerning products related to

energy: 2013-813-UE

-Any work on the refrigerant circuit must

be carried out by a qualied professional

with a category 1 certificate of aptitude.

The release of refrigerant fluid into the

atmosphere is prohibited, the refrigerant

fluid must be recovered before any work

is undertaken on the refrigerant circuit.

-The Heat pump uses R290 refrigerant uid.

Given the flammable nature of the fluid,

any work on the refrigerant circuit must

be done with appropriate materials and

by conforming to all regulations in eect.

- In case of handling of fluid (recovery,

evacuation or relling), the appliance must

be switched o. Do not smoke or light any

ame (e.g. lighter, blowtorch) when handling

refrigerant uid. if work must be carried out on

therefrigerantcircuitusinga ame(blowtorch)

the refrigerant circuit must rst be evacuated

and replaced with a nitrogen atmosphere.

REFRIGERANT CIRCUIT

- MANUAL HTi70 6 & 8 KW HEAT PUMPS -5

Type and refrigerant charge.

PS High: Max high service pressure

PS Low: Max low service pressure

2 -PLEASE READ

IMMEDIATLY

This technical installation manual forms part of the appliance which

it refers to. In order for the warranty to be valid, the instructions must

be read prior to using the appliance.

The safety advice and instructions provided in this manual must be

strictly respected.

Our society is not liable for any damages caused from not following

the instructions provided, or improper handling, installation or use.

This technical installation manual can be modiﬁed without prior

notice.

This manual must be safeguarded and passed on to successive users

for future reference.

It will be considered as evidence in case of litigation.

2.1 - Conservation of documents

DHW.......Domestic Hot Water

DCW .......Domestic Cold Water

T°..............Temperature

HP............Heat pump

2.3 - Abbreviations and acronyms

Indicates warnings and important recommendations.

2.2 - Symbols used

Contains regulated substances, do not throw in the

garbage. If disposing, please respect all regulations

pertaining to the recovery of electric and electronic

equipment.

Consult the installation manual before any intervention

on the product, before handling, installation, use , and

maintenance.

Heat power output produced.

Max current protection (A)

Caution : contains a ﬂammable refrigerant ﬂuid.

Please make sure to respect the installation and

handling precautions.

3.2 - Storage and transport

Admissible storage and transport temperatures of the appliance

are between -20°C and +60°C.

The appliance must be stored in a room that does not contain

sources of ignition that are continuously operating (for example,

bare ﬁres, gas appliance or electric radiator in operation).

3.2.1 - General information

The appliances must be stored and transported packaged and

on their wooden pallets, in a vertical position, and completely

empty of water.

3.2.2 - Transporting with a forklift

When transporting with a forklift truck, the Heat Pump must be

on its wooden pallet.

When moving the Heat Pump do not lower or raise the unit

suddenly as the Heat Pump can easily lose it equilibrium. The Heat

Pump should be suitably secured to prevent it from tipping.

3.2.3 - Transporting manually

3.1 - Delivery terms and conditions

In general, the material is transported at the recipient’s own risk.

It is important to verify that all of the elements have been

received and that no damage has been sustained during

transport upon receipt of the appliance and before beginning the

installation procedures.

3 - DELIVERY AND

STORAGE

The Heat pump can be

transported manually.

The Heat pump must always

be transported in a horizontal

position, including during

installation.

Do not handlethe unit by its

hydraulic connections, but by

using the four straps.

Installation procedures must

be carried out by a qualiﬁed

professional, so as to prevent

any risks of bodily harm and/

or material damage.

Do not incline

more than 30°

Maintain a protective covering on the nned

heat exchanger during handling.

1. Heat pump

2. Hydraulic connection kit

(inside the heat pump)

3. Hydraulic pilot

- MANUAL HTi70 6 & 8 KW HEAT PUMPS -

4 - INTRODUCTION

Note: The Heat Pump is exclusively designed for heating

purposes.

It cannot be used for cooling.

The manufacturer cannot be held responsible for any other

usage of the appliance.

4.1 - Operation

The Heat pump is a closed and pressurised system in which the

refrigerant serves as the medium for transferring energy.

The evaporator •is a cooling exchanger which draws calories from

the air. The humidity in the air condenses on contact with the cold

surface, and forms condensation which must be drained regularly

during operation of the Heat pump (evacuation in …).

The condenser ‚is a plated heat exchanger which allows to transfer

the heat towards the heating water of the installation „.

The operating range of the Heat pump ranges from an air

temperature of -20°C to 40°C.

1. Compressor

2. Pressure reducer

3. Evaporator

4. Condenser

5. Ventilator

6. Heating inlet / outlet

7. Condensates drainage

It is FORBIDDEN:

• to operate the Heat pump using air

intake containing solvents or explosive

materials.

• to use air intake containing grease, dust, or

aerosol particles.

• to connect vented exhaust hoods to the

appliance.

Use of the appliances are FORBIDDEN if

the installation is not ﬁlled with water.

àExternal defrost kit (Réf. 754101)

to keep the external condensate evacuation duct from

freezing.

àHydraulic kit (Réf. 754204)

MF1’’ ﬂexible hose assembly to separate the heat pump from

the rest of the hydraulic system.

àAdjustable raiser kit for heat pump (Réf. 754600)

allows raise of the heat pump and catch up with ground levels.

4.2 - Accessories (included)

The components described below are delivered with the Heat

Pump:

à2-core sheathed cable linking the

Heat Pump and the Pilot (lg 10m)

àHydraulic Fitting

(included a 1’’ ﬁlter valve, a safety valve assembly 1’’, a hydraulic

connection [reduction F3/4 M1’’ + nipple MM 1’’])

4.3 - Accessories available to order

à2-core sheathed cable (Ref. 753102)

linking the Heat Pump and the Pilot (lg 20m)

20m length for connection instead of the

10m length delivered as standard.

- MANUAL HTi70 6 & 8 KW HEAT PUMPS -7

5.1 - Standard conguration

5 - INSTALLATION

•The Heat pump must be installed outside exclusively.

• Avoid any obstruction of the airﬂow of the ventilator.

Ensure that there is nothing blocking the exchanger’s air circulation. Ensure that the Heat pump is placed so that

it is sheltered from dominant winds.

It is prohibited to install the Heat pump:

• In a non-ventilated room.

• Near sources of excessive heat, combustible

materials, or near ventilation points of adjacent

buildings.

• Near a kitchen or workshop exhaust ducts; this

can result in a mixture of oil and air settling onto

the heat exchanger ﬁns which could hamper its

performance.

• In an area with ﬂammable gaz, acidic substances,

or alkalines which could cause irreversible

damage to the copper-aluminium heat

exchanger.

PROHIBITED INSTALLATION

• Avoid installing the Heat pump in a

location subject to noise reverberation such

as near windows or near the corners of buildings.

• As the condensates draining trough slopes

downward, the Heat pump must be installed on a

level base.

•The Heat pump must be easily accessible so as to

facilitate access for inspections and maintenance.

IMPORTANT INSTALLATION RULES

Pilot

HTi70

heat pump

2 electrical supplies

230V single phase

hydraulic

connection

communication

cable

2-core sheathed

- MANUAL HTi70 6 & 8 KW HEAT PUMPS -

5.2 - Installation site

The Heat pump is designed to be installed outdoors exclusively, while respecting a minimum of free space around the appliance in an area

free from excessive levels of dust. It should never be placed in an enclosed space.

The Heat pump is designed to operate in rainy weather conditions, although it can be installed under a well ventilated shelter (with a large

enough opening to allow suﬃcient air ﬂow for intake and exhaust).

Placed on the

ground or on a

terrace

(empty area)

Placed against a wall

+3dB (A) Placed in a yard

+9dB (A)

Placed in a corner

+6dB (A)

5.2.2 - Minimum distances for placement

Minimum distances to be respected for the placement of the Heat

pump:

≥ 30cm

≥ 1m

≥ 30cm

≥ 2m

5.2.1 - Accepted installation sites

Neighbouring

home

The noisepreventionscreenmustbemade of insulated

materials.

Neighbouring

home

Neighbouring

home

Oﬀset from all

windows

5.2.3 - Prohibited installation sites

Underneath a

window

Neighbouring

home

- MANUAL HTi70 6 & 8 KW HEAT PUMPS -9

5.3 - Setting up

The Heat pump must be installed on a hard and stable base, which is suﬃciently raised from ground level

to avoid risks of damage in case of ﬂooding or snow.

•

€

•

€

•

- Retrieve the 4 heat pump attachment tabs from the transport pallet

(•),

- Attach the heat pump to the oor using these 4 xing lugs

(•) by inserting the 4 anti-vibration pads (€) attached in the

documentation pouch.

5.3.1 - Condensates drainage

When the appliance is operating in frost protection mode,

the condensed water must be drained o. In order for the

condensates to drain properly, the drainage trough and hole must

be clean and free of all debris (leaves, grass, etc...).

If the condensates drainage pipe is connected to the rainwater

run-o system, it is advised to use a siphon.

Do not use any tools to remove ice (risk of damage to the heat

exchanger).

Condensates drainage is done from below the Heat pump (see

diagram below).

- MANUAL HTi70 6 & 8 KW HEAT PUMPS -

All piping should be thermally insulated,

especially the connecting pipes from the Pilot

to the Heat Pump.

The Heat Pump is equipped with a hydraulic

pressure relief valve set at 2.5 bars. A service

pressure below this value should be maintained.

5.4.1 - Hydraulic connections on the installation

5.4 - Hydraulic installation

In order to ensure that ﬂuids can circulate properly, it is advisable to check that the sizing of piping in the circuit is appropriate between the

Heat Pump and the Pilot.

1: Hydraulic pilot

2: Heat pump

3: Pressure relief valve G 1’’ M (set at 2.5 bars)

4: Filter valve G 1’’ M

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