AlphainnoTec Paros 4 User manual

83071000aUK

Air/Water Heat Pumps

Indoor installation

Operating Manual

Paros 4

2Subject to technical amendments without prior notice | 83071000aUK | ait-deutschland GmbH

Table of contents

1 About this operating manual ...................... 3

1.1 Validity....................................................... 3

1.2 Reference documents............................... 3

1.3 Contact...................................................... 4

2 Safety ............................................................... 4

2.1 Intended use ............................................. 4

2.2 Personnelqualications............................ 4

2.3 Personal protective equipment ................. 4

2.4 Residual risks............................................ 4

2.5 Disposal .................................................... 5

2.6 Avoid damage to property......................... 5

3 Description...................................................... 6

3.1 Delivery condition ..................................... 6

3.2 Layout ....................................................... 7

3.3 Accessories............................................... 7

3.4 Function .................................................... 8

4 Operation and care....................................... 8

4.1 Energy-conscious and environmentally-

aware operation ........................................ 8

4.2 Care .......................................................... 8

5 Delivery, storage, transport and

installation ....................................................... 9

5.1 Scope of supply ........................................ 9

5.2 Storage...................................................... 9

5.3 Transport and unpacking .......................... 9

5.4 Installation............................................... 10

5.5 Installation of air ducting ..........................11

6 Installing the hydraulic connections ........11

7 Electrical installation................................... 13

8 Flushing,llingandventing ...................... 17

8.1 Heating water quality .............................. 17

8.2 Flush,llandventtheheatingcircuit...... 18

9 Insulate hydraulic connections ................ 19

10 Overowvalve ............................................. 19

11 Commissioning ............................................ 20

12 Maintenance................................................. 21

12.1 Basic principles....................................... 21

12.2 Maintenance as required ........................ 21

12.3 Cleanandushcondenser ..................... 21

12.4 Yearly maintenance................................. 21

13 Faults.............................................................. 22

14 Dismantling and disposal.......................... 22

14.1 Disposal and recycling............................ 22

Technical data / Scope of supply................... 24

Performance curves.......................................... 25

Dimensonal drawings........................................ 27

Installation plans................................................. 28

Coastal installation............................................. 36

Hydraulic integration.......................................... 37

Paros 4 with hydraulic station HSV 4................ 37

Paros 4 with hydraulic module HV 4 and

bu󰀨ertankinseries................................. 38

Paros 4 with wall-mounted controller WR 4

and separation tank ................................ 39

Keys hydraulic integration ................................ 40

Circuit diagrams.................................................. 42

Subject to technical amendments without prior notice | 83071000aUK | ait-deutschland GmbH

1 About this operating manual

This operating manual is part of the unit.

►Before working on or with the unit read the

operating manual carefully and follow it for all

activities at all times, especially the warnings and

safety instructions.

►Keep the operating manual to hand at the unit and

hand over to the new owner if the unit changes

hands.

►If you have any questions or anything is unclear,

ask the local partner of the manufacturer or the

factory’s customer service.

►Note and follow all reference documents.

1.1 Validity

Thisoperatingmanualreferssolelytotheunitidentied

by the nameplate ( “Nameplates”, page 7).

1.2 Reference documents

The following documents contain additional

information to this operating manual:

●Planning & design manual, hydraulic integration

● Installationmanualoftheexibleairductsystem

ADH

●Operating manual of the hydraulic unit or the wall-

mounted controller

●Operating manual of the heating and heat pump

controller

●Brief description of the heat pump controller

● Operating manual of the expansion board

(accessories)

●Log book

Symbols and markings

Identicationofwarnings

Symbol Meaning

Safety-relevant information.

Warning of physical injuries.

Safety-relevant information.

Warning of physical injuries.

Flammable materials.

DANGER Indicates imminent danger resulting

in severe injuries or death.

WARNING Indicates a potentially dangerous

situation, which can result in severe

injuries or death.

CAUTION Indicates a potentially dangerous

situation, which can result in

moderate or minor injuries.

IMPORTANT Indicates a potentially dangerous

situation, which can result in

property damage.

Symbols in the document

Symbol Meaning

Informationforqualiedpersonnel

Information for the owner/operator

Requirement for action

Procedural instructions:

Single step action prompt

1., 2., 3., …Procedural instructions:

Numbered step within a multi-step

action prompt. Keep to the given

order.

Additional information, e.g. a tip on

making work easier, information on

standards

Reference to further information

elsewhere in the operating manual

or in another document

●Listing

Secure connections against twisting

4Subject to technical amendments without prior notice | 83071000aUK | ait-deutschland GmbH

1.3 Contact

Addresses for purchasing accessories, for service

cases or for answers to questions about the unit and

this operating manual can be found on the internet and

are kept up-to-date:

●Germany: www.alpha-innotec.de

●EU: www.alpha-innotec.com

2 Safety

Only use the unit if it is in proper technical condition

and only use it as intended, safely and aware of the

hazards, and follow this operating manual.

2.1 Intended use

The unit is designed for household use and is solely

intended for the following purposes:

●Heating

●Domestic hot water preparation (optional, with

accessories)

●Cooling

►Proper use includes complying with the operating

conditions ( “Technical data / Scope of supply”,

page 24) and the operating manual and noting

and following the reference documents.

►When using the local regulations note: laws,

standards, guidelines, directives.

All other uses of the unit are not as intended.

2.2 Personnelqualications

The operating manuals supplied with the product are

intended for all users of the product.

The operation of the product via the heating and heat

pump control and work on the product which is intend-

ed for end customers / operators is suitable for all age

groups of persons who are able to understand the ac-

tivities and the resulting consequences and can carry

out the necessary activities.

Childrenandadults who arenot experiencedin han-

dling the product and do not understand the neces-

sary activities and the resulting consequences must

be instructed and, if necessary, supervised by persons

experiencedin handlingtheproduct and whoarere-

sponsible for safety.

Children must not play with the product.

Theproductmayonlybeopenedbyqualiedpersonnel.

All procedural instructions in this operating manual are

solelydirectedatqualiedspecialistpersonnel.

Only qualied, skilled personnel is able to carry out

the work on the unit safety and correctly. Interference

by unqualied personnel can cause life-threatening

injuries and damage to property.

►Ensure that the personnel is familiar with the local

regulations, especially those on safe and hazard-

aware working.

► Ensurethatthepersonnelarequaliedtohandle

ammable(primary)refrigerant.

►Work on the refrigerating circuit may only be car-

ried out by qualied personnel with appropriate

qualicationsforrefrigerationsysteminstallation.

► Allowqualiedpersonnelwith“electrical”training

only to carry out work on the electrics and

electronics.

► Allow qualied, skilled personnel only to do any

other work on the system, e.g.

●Heating installer

●Plumbing installer

During the warranty and guarantee period, service

work and repairs may only be carried out by personnel

authorised by the manufacturer.

2.3 Personal protective equipment

During transport and work on the unit, there is a risk of

cuts due to the sharp edges of the unit.

►Wear cut-resistant protective gloves.

During transport and work on the unit, there is a risk of

foot injuries.

►Wear safety shoes.

When working on liquid-conveying lines, there is a risk

of injury to the eyes due to leakage of liquids.

►Wear safety goggles.

2.4 Residual risks

Electric shock

Components in the unit are live with life-threatening

voltage. Before working on the unit:

►Disconnect unit from power supply.

►Protect unit against being switched back on again.

►Residual voltage at the inverter. Wait 5 minutes

before opening the device.

Subject to technical amendments without prior notice | 83071000aUK | ait-deutschland GmbH

Existing earthing connections within housings or on

mounting plates must not be altered. If this should nev-

ertheless be necessary in the course of repair or as-

sembly work:

►Restore earthing connections to their original con-

dition after completion of the work.

Injuries caused by moving parts

►Only switch on the unit once outer panels and the

exibleairductsystemADHhavebeentted.

Injuries caused by high temperatures

►Before working on the unit, let it cool down.

Injuries and environmental damage due to

refrigerant

WARNING

The unit contains ammable (primary)

refrigerant that is hazardous to health and

the environment. If (primary) refrigerant

leaks from the unit, there is a risk of an

explosion:

1. Switcho󰀨unit.

2. Keep the unit away from ignition sources.

3. Thoroughly ventilate installation area.

4. Notify authorised after sales service.

Safety labels

►Observe safety labels on and in the unit.

2.5 Disposal

Environmentally harmful media

Improper disposal of environmentally harmful media

((primary) refrigerant) damages the environment:

►Collect media safely.

►Dispose of the media in an environmentally-friend-

ly manner according to the local regulations.

2.6 Avoid damage to property

The ambient air at the heat pump installation site, as

well as the air drawn in as a heat source, must not

contain any corrosive constituents!

Constituents such as

●Ammonia

●Sulphur

●Chlorine

●Salt

● Sewergasses,uegasses

can cause damage to the heat pump, which could lead

to the complete failure / destruction of the heat pump!

Decommissioning/emptying heating

If the system / heat pump is decommissioned or

emptied,afterithasbeenlledalready,itisnecessary

toensurethatthecondenserandanyheatexchangers

present have been completely emptied in the event

of frost. Residual water in heat exchangers and

condensers can result in damage to components.

►Empty system and condenser completely, open

vent valves.

►Blast out with compressed air if necessary.

Improper action

Requirements for minimum scale and corrosion

damage in hot water heating systems:

●Proper planning, design and commissioning

●Closed system with regard to corrosion

●Integration of an adequately dimensioned

pressure maintaining device

●Use of demineralised heating water (VE water) or

water corresponding to the VDI 2035 norm

●Regular servicing and maintenance

If a system is not planned, designed, started up and

operated in accordance with the given requirements,

there is a risk that the following damage and faults will

occur:

●Malfunctions and the failure of components, e.g.

pumps, valves

● Internal and external leaks, e.g. from heat

exchangers

6Subject to technical amendments without prior notice | 83071000aUK | ait-deutschland GmbH

●Cross-section reduction and blockages in

components,e.g.heatexchanger,pipes,pumps

●Material fatigue

●Gas bubbles and gas cushion formation

(cavitation)

● Negativee󰀨ectonheattransfer,e.g.formationof

coatings, deposits, and associated noises, e.g.

boilingnoises,ownoises

►Note and follow the information in this operating

manual for all work on and with the unit.

Unsuitablequalityofthellandmake-up

water in the heating circuit

The e󰀩ciency of the system and the life of the heat

generator and the heating components depend

decisively on the quality of the heating water.

If the system is lled with untreated drinking water,

calcium precipitates as scale. Limescale deposits

form on the heat transfer surfaces of the heating. The

e󰀩ciency drops and energy costs rise. In extreme

casestheheatexchangersaredamaged.

►Fill the system with deionised heating water

(VE water) or with water corresponding to the VDI

2035 norm only (low-salt operation of the system).

3 Description

3.1 Delivery condition

1 Accompanying parts package

2 Heat pump

Subject to technical amendments without prior notice | 83071000aUK | ait-deutschland GmbH

3.2 Layout

NOTE

This section essentially names the

components relevant for fullling the tasks

described in this operating manual.

1 Evaporator

2 Condensate pan

3 Modulebox

4 Condenser

5 Inverter unit

6 Filter dryer

7 Expansionvalve(cooling,defrost)

8 Compressor (in the insulated housing)

9 Expansionvalve(heating)

10Electricalswitchbox

11 Fan

Nameplates

One nameplate is attached to the outside of the unit on

a side facade at the factory, a second one ist attached to

themoduleboxinsideoftheunit.

Another nameplate is included in the scope of delivery.

►Glue this nameplate into the logbook fpr heat

pumps.

The nameplates contain the following information at

the very top:

●Model, item number

●Serial number

The nameplates also contain an overview of the most

important technical data.

3.3 Accessories

Functionally necessary accessories

Only use genuine accessories made by the manufac-

turer of the device.

● Flexibleairductsystem ADH

●Wall-mounted controller WR 4

●Hydraulic module HV 4

●Hydraulic station HSV 4

Additional accessories

The following accessories are available for the unit

through the manufacturer's local partner:

●Electrical connection kit EVS or EVS 8

●Air / magnetic sludge separator

●Domestic hot water tank

●Bu󰀨ertank

●3-way switching valve with valve motor

●Overflow valve

●Room thermostat to switch the cooling function

●Dew point monitor to protect a system with cooling

functionatlowowtemperatures

●Room control unit to control the main functions

from the living room

8Subject to technical amendments without prior notice | 83071000aUK | ait-deutschland GmbH

4 Operation and care

NOTE

The unit is operated via the control panel

of the heating and heat pump controller

( operating manual of the heating and

heat pump controller).

4.1 Energy-conscious and

environmentally-aware operation

The generally accepted requirements for an energy-

conscious and environmentally-aware operation of a

heating system also apply when using a heat pump.

The most important measures include:

● Nounnecessarilyhighowtemperature

●No unnecessarily high domestic hot water

temperature (note and follow local regulations)

●Do not open windows with gap / tilt open

(continuous ventilation), but instead open wide for

a short time (shock ventilation).

●Make sure that the controller settings are correct.

4.2 Care

Wipe down the outside of the unit only using a damp

cloth or cloth with mild cleaning agent (washing-up

liquid, neutral cleaning agent). Do not use any harsh,

abrasive, acid or chlorine-based cleaning agents.

3.4 Function

Liquid refrigerant is evaporated (evaporator), the

energy for this process is environmental heat and

comes from the outside air. The gaseous refrigerant

is compressed (compressor), this causes the pressure

to rise and therefore the temperature too. The

gaseousrefrigerantatahightemperatureisliqueed

(condenser).

The high temperature is hereby discharged to the

heating water and is used in the heating circuit.

The liquid refrigerant at a high pressure and high

temperature is depressurised (expansion valve).

The pressure and temperature drop and the process

begins again.

The heated heating water can be used for the domestic

hot water charging or for the building heating. The

temperatures required and use are controlled by the

heat pump controller. Reheating, drying out screed or

increasing the domestic hot water temperature can be

carried out using an electric heating element, which

is activated by the heat pump controller as and when

necessary.

The vibration decoupling for the hydraulics prevent

structure-borne sound and vibrations from being

transferredintothexedpipesandthereforeintothe

building.

Cooling

Cooling is integrated in the units. The following

options are possible for units with cooling function

( operating manual of the heating and heat pump

controller):

●Active cooling

Cooling in conjunction with hydraulic module

HV 4 or hydraulic station HSV 4 possible to 18°C.

Possible to 7 °C in conjunction with wall-mounted

controller WR 4.

●Cooling below 18°C is only possible in the case

ofhydraulicintegrationwithseparationbu󰀨ertank

●Control of the cooling function via the heating and

heat pump controller

●Changeover between heating and cooling

operation

Subject to technical amendments without prior notice | 83071000aUK | ait-deutschland GmbH

5 Delivery, storage, transport

and installation

IMPORTANT

Damage to the housing and the unit components

due to heavy objects.

►Do not place any objects on the unit.

5.1 Scope of supply

►Check delivery immediately after receipt for

externallyvisibledamageandcompleteness.

►Notify supplier of any defects immediately.

The accompanying parts package contains:

●Hydraulic connection pipe with integrated vibra-

tion decouplingandseal(2x)

● Condensatedrainsyphon(1x)

● Pipeconnector(1x)

● Springclampsforcondensationhose(2x)

● Insulationforcondensatedrainsyphon(1x)

●Documents (manuals, ERP data and label)

●Nameplate

5.2 Storage

►Do not unpack the unit until directly before

installation if possible.

►Store unit protected against

●Moisture/damp

●Frost

●Dust and dirt

5.3 Transport and unpacking

Notes on safe transport

The unit is heavy ( “Technical data / Scope of

supply”, page 24). There is a risk of injuries or

damage to property if the unit falls or overturns.

The hydraulic connections are not designed for

mechanical loads.

►Do not lift or transport the unit by the hydraulic

connections.

Transport the unit preferably with a pallet truck,

alternatively with a handcart or by carrying

►Do not tilt the unit by more than 45°.

5.3.1 Transport with a pallet truck

5.3.2 Unpacking

1. Remove plastic lms. Ensure that you do not

damage the unit.

2. Lift o󰀨 EPS packaging with the accompanying

parts package from the unit and put it in a safe

place.

3. Dispose of the transport and packaging material

in an environmentally friendly way and in

accordance with local regulations.

5.3.3 Transport with a handcart

1. Remove the front panel and put it down in a safe

place.

10 Subject to technical amendments without prior notice | 83071000aUK | ait-deutschland GmbH

2. Remove the side panels and put it down in a safe

place.

Exampleofrightsidepanel:

►Proceed in reverse order to reattach the panels.

3. Lift the unit from the front onto a handcart and se-

cure it there before transporting it to the installa-

tion site.

≤ 45°

5.3.4 Carrying the unit

1. Remove the panels of the unit.

“5.3.3 Transport with a handcart”, page 9

►Carry the unit to the installation site with 2 per-

sons.

5.4 Installation

CAUTION

In the air outlet area the air temperature is

approx. 5 K below the ambient temperature.

Under certain climatic conditions, an ice

layer can therefore form in the air outlet

area. Install the heat pump such that the

air blower does not discharge into footpath

areas

Installation room and space requirements

NOTE

Note and follow the local regulations and

standards regarding the installation room and

space requirements. The table shows the

regulations according to EN 378-1 relevant

in Germany.

Refrigerant Limit value [kg/m³]

R 134a 0.25

R 404A 0.52

R 407C 0.31

R 410A 0.44

R 448A 0.39

R 454B 0.059

“Technical data / Scope of supply”, page 24

Minimum room volume = Refrigerant capacity [kg]

Limit value [kg/m³]

NOTE

If several heat pumps of the same type are

installed, only one heat pump need to be

taken into account. If several heat pumps of

di󰀨erent types are installed, only the heat

pump with the largest refrigerant volume

needs to be taken into account.

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