SOLARFOCUS Vampair Manuale utente

Installation manual for qualified personnel

Read carefully before operating.

DR-0072-EN / v41-202205

Air source heat pump vampair

1 About this manual 3

1.1 Limitation of liability 3

2 Safety information 3

3 Technical requirements 3

3.1 Warranty, guarantee, liability 3

3.1.1 Technical requirements for warranty and gua-

rantee claims 3

3.1.2 Conditions for claims 4

3.1.3 Claims rendered void 4

3.1.4 Limitation of liability 4

3.2 Standards, guidelines, regulations 5

3.3 Specifications for cooling mode 5

3.4 Installation location, installation position 5

3.5 Foundation for the heat pump 6

3.6 Line routing, connection 6

3.7 Heating system fill-up water 7

3.7.1 Avoiding scale buildup 7

3.7.2 Avoiding water-side corrosion 7

3.8 Information about the hydraulic connection 8

4 Product information 9

4.1 Product description 9

4.2 Functional components 10

4.3 Scope of delivery 11

4.4 Principle of operation 12

4.5 Innovative technologies 13

4.6 Dimensions 13

4.7 Accessories 13

4.8 Technical specifications 14

5 Prepare heat pump 17

5.1 Transport 17

5.2 Attach sealing tape 18

5.3 Dismantling the cover 18

5.4 Remove cladding 18

5.5 Remove transport lock 18

5.6 Connect the heat pump to the power supply

before commissioning 18

6 Install electric heating element 19

6.1 Important information 19

6.2 Heating element and components 19

6.3 Mount heating element 20

6.4 Connect the heating element 20

6.5 Fit the sensors (2x) in the heating element 21

7 Hydraulic connection 22

7.1 Make condensate drain, seal 22

7.2 Rinse the lines 22

7.3 Install the primary circuit circulation pump 22

7.4 Connect the primary circuit 23

7.4.1 Connection on the condenser 23

7.4.2 Cut insulating mat (only required for K 08 and K 10) 23

7.4.3 Primary circuit connection set 23

7.4.4 Fit temperature sensor T1 for condenser 26

7.4.5 Heat pump pipe 26

7.5 Pipe dimensions: Residual delivery height

information 27

7.5.1 vampair K 08, K 10 27

7.5.2 vampair K 12, K 15 27

8 Electrical connection 28

8.1 Access to terminal area 28

8.2 Terminal assignment 28

8.3 Seal the connection cable piping 29

8.4 Terminal area, electrical supply 30

8.5 Electrical connection plan 31

8.6 Connect ecomanager-touch control 32

8.6.1 Overview 32

8.6.2 Surface-mounted installation 32

8.6.3 Display power supply 32

8.6.4 Connect CAN bus 32

8.6.5 Connect RS485 bus 33

8.7 Connect electronic module D1 33

8.7.1 Terminal assignment - overview 33

8.7.2 Connection of the bus cable 33

8.7.3 Bus terminating resistor 34

8.7.4 Connect the primary circuit circulation pump 34

8.7.5 Connect the flow sensor 35

8.7.6 Heating circuit - switch externally (optional) 35

8.7.7 Connecting the mains power supply to the elec-

tronic module 35

8.7.8 Device address of the electronic module 36

8.7.9 Elec. fuses in the electronic module 36

8.8 Outside temperature sensor - position 36

8.9 Connecting the control to the internet 36

8.10 Smart Grid Ready 36

9 Initial commissioning 37

10 Foundation plan 38

10.1 Downward line connection 38

10.2 Line connection to the rear 41

10.3 Condensate drain 41

11 Flat roof set-up 42

12 Plant schematic 45

2 Installation manual vampair

Content

1 About this manual

Language

The language of the original manual is German. Ver-

sions of this manual in all other languages are trans-

lations of the original.

Storage

Keep the manual for the entire service life of the pro-

duct and ready to hand. The manual must be passed

on to the new owner when the product is dis-

mantled/reused. If the manual is lost or destroyed,

request a new copy from the manufacturer.

Instructions and warnings

The instructions used in this manual are highlighted

with symbols and signal words. The signal word indi-

cates the level and nature of the danger.

iIndicates information for correct handling of

the product.

!CAUTION - Material damage is possible if

these instructions are not complied with.

DANGER - Failure to comply with this instruc-

tion poses a danger to people.

1.1 Limitation of liability

SOLARFOCUS GmbH assumes no liability for injury

or material damage resulting from:

–Failure to observe the instructions in this manual.

–Use of the product for any purpose other than for

its intended use.

–Deployment of unqualified personnel.

–Use of non-approved spare parts.

–Technical modification of the product by the sys-

tem operator.

Warranty, guarantee

See General Terms of Business and Delivery Con-

ditions of SOLARFOCUS GmbH.

Manufacturer

SOLARFOCUS GmbH

Werkstrasse 1, A-4451 St.Ulrich

Company register no. 281755x

Tel.: +43 7252 50 002-0, Fax: +43 7252 50 002-10

[email protected]

www.solarfocus.com

Service Hotline

–Email: [email protected]

2 Safety information

Installation and commissioning

–Heat pump may only be installed and put into

operation by certified qualified personnel

(SOLARFOCUS service technician or

SOLARFOCUS service partner).

–Install heat pump outdoors only.

–Never disconnect the heat pump from the power

supply (except electrical work). Otherwise risk of

frost damage

Maintenance and repair

–Have repairs done by qualified personnel only

Improper repairs can lead to risks for the user and

inefficient operating conditions.

–Use original spare parts only

Handling of refrigerant R410A

–The heat pump uses refrigerant R410A. Work on

the cooling circuit may be performed only by a

qualified refrigerant electrician.

–Wear suitable gloves and goggles when working

with refrigerant.

What to do in case of escaping refrigerant

–Escaping refrigerant[1] can cause frostbite if it tou-

ches the exit point. If refrigerant escapes do not

touch any components of the heat pump.

[1] Recognizable by oily residue, which is left when exiting.

–Avoid skin or eye contact with the refrigerant. In

case of skin or eye contact with the refrigerant, a

doctor should be consulted.

–Switch off heat pump, Contact qualified per-

sonnel.

3 Technical requirements

3.1 Warranty, guarantee, liability

Guarantee claims are valid as part of a heat pump

maintenance agreement.

3.1.1 Technical requirements for warranty

and guarantee claims

The following technical requirements must be obser-

ved as a precondition for a warranty and guarantee

claim.

Installation manual vampair 3

1 About this manual

Regular maintenance

–Have the heat pump serviced annually by qua-

lified personnel

Specifications for the heating system's fill-up/-

make-up water

–Check pH value: this must be in the range of

8.2 to 9.5

–Avoiding scale buildup > 7(=limescale on heat

exchanger surfaces):

–Take the water hardness into account

–Soften the fill-up water, or better: desalinate it.

–Avoiding water-side corrosion > 7(is triggered by

the oxygen in the water):

–Correct system planning, correct dimen-

sioning, take material combinations into

account.

–Repair leaks immediately.

–Expansion tank > 8(prevents air from being

drawn in when the system cools down): Cor-

rectly set the pressure, check it regularly.

–Existing underfloor heating: Take care with

old, diffusion-open plastic pipes > 9

3.1.2 Conditions for claims

For warranty and guarantee claims observe the fol-

lowing points:

–The warranty begins at the time at the time of han-

dover (delivery note, commissioning log).

–The guarantee period is calculated from the date

of initial commissioning (according to the control's

operating hour counter).

–The warranty periods are based on the relevant

regulations.

–We must be notified promptly and accurately of

any damage incurred, so that the cause can be

clarified.

–If the system has defects despite correct instal-

lation (in compliance with the technical docu-

mentation), we grant a warranty provided that the

system has been examined by the plant customer

service (commissioning log).

–The guarantee applies to technical, construction-

related faults and faults in the manufacture of the

system that prevent correct and problem-free

usage.

–We are not liable for parts that were not produced

by SOLARFOCUS. However, we are prepared to

transfer our existing claims against the producer

(relating to this defect) to the buyer.

–In fulfilling the warranty/guarantee services, we

shall cover only the assembly time and the mate-

rials used, but not any travel or accommodation

costs necessary for the fitters/engineers or any

return transport costs.

–SOLARFOCUS GmbH assumes no liability for

any consequential costs of damages.

–The repair and/or warranty replacement shall be

carried out on site or in the SOLARFOCUS fac-

tory at our discretion.

–The company SOLARFOCUS will determine whe-

ther such work requires a repair or whether the

parts are to be replaced free of charge.

3.1.3 Claims rendered void

The warranty and guarantee claims are rendered

void if one of the following points applies:

–Non-compliance with the technical requirements

> 3

–Damage during transport.

–Wilful damage.

–Damage due to force majeure (water, fire, etc.).

–Non-observance of information in the planning,

installation and operation manual.

–Insufficient energy or water, fault in the hydrau-

lics.

–Incorrect operation, failure to perform main-

tenance and cleaning as prescribed.

–Commissioning and maintenance carried out by

non-certified companies.

–Undocumented commissioning (no com-

missioning log) and/or maintenance (main-

tenance log).

–It is almost impossible to produce flawless pain-

ted parts; for this reason, slight defects that do not

adversely affect proper use shall not be deemed

as grounds for complaint.

–No claims can be ß under the warranty if unaut-

horised intervention (or action that has not been

explicitly approved by us the manufacturer) has

been carried out. In addition, the goods must be

paid for within the specified payment timeframe.

3.1.4 Limitation of liability

SOLARFOCUS GmbH assumes no liability for injury

or material damage resulting from:

–Failure to observe the instructions in this manual.

–Use of the product for any purpose other than for

its intended use.

–Deployment of unqualified personnel.

–Use of non-approved spare parts.

–Technical modification of the product by the sys-

tem operator.

4 Installation manual vampair

1 About this manual

3.2 Standards, guidelines, regulations

The following bodies of regulations must be con-

sidered and adhered to during planning, installation

and operation of the heating system:

Standards for heat pump systems

–EN 378-2 - Refrigerating systems and heat

pumps - Safety and environmental requirements

–ISO 6529 - Protective clothing - Protection

against chemicals - Determination of resistance of

protective clothing materials to permeation by

liquids and gases

–EN 60335-1 - Household and similar electrical

appliances - Safety - Part1: General requi-

rements

–EN 60335-2-40 - Household and similar electrical

appliances - Safety

–EN 61000-3-3 - Electromagnetic compatibility

(EMC) - Part 3-3: Limits - Limitation of voltage

changes ≤16 A per phase

–EN 61000-3-11 - Electromagnetic compatibility

(EMC) - Part 3-11: Limits - Limitation of voltage

changes ≤75 A per phase

–EN 55014 - Electromagnetic compatibility. Requi-

rements for household appliances, electric tools

and similar apparatus.

–DIN 8901 - Refrigerating systems and heat

pumps with flammable refrigerants of group L3

(Germany)

–DGV (SR 819.121) - Pressure equipment safety

ordinance (Switzerland)

–DBV (SR 819.122) - Pressure vessel ordinance

(Switzerland)

–SN EN 378 - Refrigerating systems and heat

pumps - Safety and environmental requirements

(Switzerland)

Standards for heating water

–ÖNORMH 5195-1 - Heat transfer media for buil-

ding services systems, Part 1: Preventing

damage from corrosion and scale formation in clo-

sed hot water heating systems (Austria)

–VDI 2035 - Prevention of damage in hot water

heating systems (Germany)

–SWKI BT 102-01 - Water quality for building sys-

tems (Switzerland)

–UNI 8065 (Italy)

3.3 Specifications for cooling mode

!CAUTION - Observe the following points

when using the heat pump for room cooling.

Failure to comply poses a risk of damage due

to moisture in building elements (due to con-

densation).

–If the temperature falls below the dew point tem-

perature in the cooling system (lines, cooling sur-

face, buffer tank), water precipitates out of the air.

Condensation forms on the cooled system parts.

–The system must have insulation suitable for coo-

ling (=diffusion-resistant).

–Take particular care when using carbon steel -

risk of external corrosion

–Use room control with humidity sensor, e.g.

SOLARFOCUS Art. 26610. This regulates the

cooling flow temperature, taking the room tem-

perature and room humidity into account, and pre-

vents the temperature falling below the dew point.

–If room control with humidity sensor is not used:

Position the dew-point sensor on the lines.

–For further information, see Heat pump planning

document, DR-0302

–Standards

–ISO 12241 - Thermal insulation for building equipment

and industrial installations - Calculation rules

–DIN 4140 - Insulation work on industrial installations and

building equipment - Execution of thermal and cold insu-

lations

3.4 Installation location, installation posi-

tion

–Outdoor installation only

–The ground must be seepable (due to condensate

discharge > 6) and local regulations and con-

ditions must be observed.

–The heat pump is weatherproof and requires no

additional protective measures (roofing, ...).

Exception: In the event of a risk of roof avalan-

ches, mechanical protection for the heat pump

must be provided, e.g. protective roof).

–The air flow through the evaporator must not be

impaired on the air intake and exhaust side (e.g.

by shrubs, walls,...).

–Do not install the heat pump with the air outlet

side against the main wind direction. Preferred

installation is on a wall, with minimum distance,

see foundation plan > 38.

–Take noise development into consideration (do

not place in front of the bedroom window, next to

the terrace, near neighbours ...).

–Ensure free accessibility (e.g. for service work).

–Installation in a sink is not permitted (lack of air

exchange due to sinking, cold air).

–The sucked air must not be contain ammonia.

The use of exhaust air from animal stables is the-

refore not permitted.

–When using heat pumps near the sea, the high

salt content of the air can lead to increased cor-

rosion (invalidation of warranty if ignored). The

use of heat pumps is harmless from a distance of

12 km to the sea.

Installation manual vampair 5

1 About this manual

3.5 Foundation for the heat pump

Requirements for the foundation

The foundation for the heat pump must fulfil the fol-

lowing requirements:

–Horizontal orientation

–Weatherproof, frost-proof

–Sufficient load-bearing capacity

–Seals the heat pump at the bottom (prevents

sound output; prevents the ingress of rodents)

–Vibration-resistant

Concrete foundation

–In the case of a primary circuit connection from

below > 24 provide the required feed-throughs in

the concrete foundation.

–Position the heat pump directly on the concrete

foundation (affix the supplied sealing tape to the

underside of the heat pump base > 18)

–Screwing the heat pump to the concrete foun-

dation is not required

–Insulate the heat pump laterally with moisture-resi-

stant XPS panels (do not use EPS panels)

–Optional: For easy preparation of the concrete

foundation see article Insulating brick for foun-

dation (Art. No. 25350, Instructions DR-0132).

This XPS-shaped block allows fast, convenient

formation of the foundation, including the precise

placement of the heat pump pipe.

Condensate discharge

iWhen defrosting the evaporator, condensate

accumulation of up to 50 litres per 24 h is pos-

sible, even over a longer period. This quantity

of fluid must be reliably discharged.

2 methods of discharging:

Drain into the ground: If sufficient water-permeable

earth layers are present, it is sufficient to lay the drain

pipe in gravel fill to a depth of 90 cm (frost-free) > 38 ff

!CAUTION - When placing the heat pump

close to the building, it must be ensured that

the condensation does not damage the buil-

ding.

!CAUTION - Use a perforated version ("drai-

nage pipe") as on-site drain pipe > 22.

Discharge into the sewage system: Outdoors is pos-

sible, or to frost-free depth indoors (basement, ...) is

possible. In both cases provide sufficient slope and

trap (siphon) If a part of the drainage hose can not be

laid frost-free, it must be heated by a heating cable.

►Connect the condensate drain line > 22

Permissible installation types

–On continuous concrete foundation

–On concrete flat roof

Impermissible installation types

–On pad or strip foundation

–On structures that can oscillate (e.g. supporting

frames made of wood or metal, terraces, light-

weight ceilings)

–On wall/facade (e.g. with metal support bracket)

3.6 Line routing, connection

Protect lines against frost

–Lay the heat pump pipe (with heating flow and

return line) at frost-free depth.

–Lay the outlet of the condensate drain hose > 6 to

frost-free depth.

Observe heat pump pipe connection

Abb. 2-1

see foundation plan > 38:

6 Installation manual vampair

1 About this manual

3.7 Heating system fill-up water

In regard to the fill-up water quality, two key points

must be observed (in accordance with Guideline

VDI2035):

–Avoiding scale buildup (limescale)

–Avoiding water-side corrosion (caused by oxygen

in the heating water)

The lowest possible rate of corrosion of the installed

metal materials is primarily achieved when the circula-

tion water is in the correct pH range (8.2 to 9.5), while

at the same time, the electrical conductivity is as low

as possible (50 to 100 µS/cm).

3.7.1 Avoiding scale buildup

What is scale buildup?

Scale buildup is the formation of firmly adhering depo-

sits on water-contacting walls of hot water heating

systems. This can subsequently lead to damage

(stress cracks in metal, leaks).

Causes of scale buildup

The cause of scaling is the presence of calcium carbo-

nate in the water.

The following calculation/table determines the total

permitted hardness of the fill-up water. If the value is

exceeded, the fill-up water must be treated, e.g. sof-

tened.

Calculation of the total permitted hardness of the

fill-up water

To use the table, the specific system volume for the

system must be determined:

System volume divided by total heat output results in

the specific system volume

1166 litres / 25 kW =46.64 l/kW specific system

volume

Table:Total permitted hardness of the fill-up water

Total heat

output

Specific system volume (VDI 2035)

<20

l/kW

≥ 20 <50

l/kW

≥ 50

l/kW

< 50 kW ≤ 16.8°dH ≤ 11.2°dH < 0.11°dH

50 - 200 kW ≤ 11.2°dH ≤ 8.4°dH < 0.11°dH

20 - 600 kW ≤ 8.4°dH < 0.11°dH < 0.11°dH

> 600 kW < 0.11°dH < 0.11°dH < 0.11°dH

In our example: if the total hardness of the fill-up

water is more than 11.2dH, then the fill-up water

must be treated.

3.7.2 Avoiding water-side corrosion

Corrosion is usually triggered by the available oxygen

in the water. This value can be brought into a safe

range with proper planning, design, installation and

maintenance of the heating system. A constant input

of oxygen should be avoided.

Important in this regard:

–Expansion tank > 8: Air must be prevented from

being drawn in when the heating system is coo-

ling down. Ensure:

–Correct planning and implementation of the

expansion tank.

–Regular check of the system pressure, expan-

sion tank pre-pressure.

–Immediate repair of leaks in the heating system.

–In the case of older underfloor heating, ensure

pipes are diffusion resistant > 9

Check the pH of the fill-up water

–The pH value must be between 8.2 and 9.5.

–If this pH value does not self adjust after a week of

operation, it must be raised by adding 10 g/m³ tri-

sodium phosphate (Na3PO4) or 5 g/m³ sodium

hydroxide (NaOH). Allow 2 to 4 weeks of ope-

ration before further corrections.

–Exception: If aluminium materials are used in the

heating system, a pH from 8.2 to 8.5 must be met

(pH> 8.5 increased corrosion tendency).

Resistance of materials to water constituents

Irrespective of legal requirements, the following limit

values in the heating water used for different mate-

rials may not be exceeded or fallen below in order to

ensure safe operation of the heat pump. For this, an

analysis of the water must be carried out before com-

missioning.

If the pre-commissioning water analysis for one indi-

cator shows a "-" or an "o" for two indicators, treat-

ment of fill and make-up water is required.

Limits for the quality of the heating water:

Substance in

water

Concentration

mg/l or ppm

Stainless

steel Copper

Alkalinity

(HCO3-)

<70 + o

70-300 + +

>300 + o/+

Sulphate

(SO42-)

<70 + +

70-300 + o / -

>300 o -

HCO3-/ SO4->1.0 + +

<1.0 + o / -

Installation manual vampair 7

1 About this manual

Substance in

water

Concentration

mg/l or ppm

Stainless

steel Copper

Electrical con-

ductivity

<10 μS/cm + o

10-500 μS/cm + +

>500 μS/cm + o

pH value] <6.0 o o

6.0-7.5 o/+ o

7.5-9.0 + +

>9.0 + o

Ammonia

(NH4+)

<2 + +

2-20 + o

>20 + -

Chloride (Cl-) <300 + +

>300 o o / +

Free chlorine

(Cl2)

<1 + +

1-5 + o

>5 o/+ o / -

Hydrogen sul-

phide (H2S)

<0.05 + +

>0.05 + o / -

CO2<5 + +

5-20 + o

>20 + -

Total hardness

(°dH)

4.0-8.5 + +

Nitrate (NO3) <100 + +

>100 + o

Iron (Fe) <0.2 + +

>0.2 + o

Aluminium (Al) <0.2 + +

>0.2 + o

Manganese

(Mn)

<0.1 + +

>0.1 + o

The water quality should be rechecked after 4 to 6

weeks as it may change due to chemical reactions

during the first few weeks of operation.

Electrical conductivity

The probability of corrosion usually decreases with

decreasing electrical conductivity of the heating

water.

Low salt operation - filling with demineralised

water, see VDI 2035 sheet 2.

Low salt

Electrical conductivity at 25°C < 100 µS/cm

In the case of low-salt operation, feeding with non-

demineralised water can have a significant effect on

the pH value and push it into a critical range.

►Check the pH value regularly.

3.8 Information about the hydraulic

connection

Pressure equalisation through expansion tank

–The expansion tank prevents air from being

drawn in when the system cools down (issue: oxy-

gen input, heating system's fill-up water > 7)

–Dimension the expansion tank with a capacity of

12% of the total hydraulic system volume.

–Secure the expansion tank against shut-off. To do

this, either use the shut-off options on the way to

the expansion tank as cap valves, or unscrew the

hand lever (handwheel) and attach it to the expan-

sion tank with the wire in a clearly visible position.

–Installation of an expansion tank or a pressure

maintenance system is essential. Use of open

expansion tanks is not permitted.

–The pressure in the heating system (can be read

off the manometer) and the set pre-pressure in

the expansion tank must be checked regularly.

Install the temperature sensor in the immersion

sleeves

–Install the flow and return temperature sensor of

the heating system in the immersion sleeves.

–Exceptions are only permitted in the case of

installation in copper or carbon steel lines. In this

case, correct insulation of the sensor must be

ensured.

Installing the dirt and sludge separator

–Installation of a filter (<25μm) is a condition for

guarantee and warranty claims, e.g. use

SOLARFOCUS dirt and sludge separator. This

prevents the ingress of particles into the plate

heat exchanger (condenser).

Return hose version (structure borne sound

decoupling)

–To prevent structure-borne sound transmission

(and thereby resulting noise), a minimum length

of 30 cm and arched line routing must be obser-

ved for the primary circuit return hose; see infor-

mation on design > 23

8 Installation manual vampair

4 Product information

Caution with (older) diffusion-open plastic pipes,

e.g. existing underfloor heating

–In the case of older underfloor heating, the dif-

fusion-open plastic pipes can result in increased

oxygen input in the heating system. This has a cor-

rosion-inducing effect on the heating system com-

ponents (see: Avoiding water-side corrosion > 7).

–In this case, the system must be separated

(through installation of a heat exchanger).

–Newer plastic pipes (since around the mid 1980s)

are diffusion resistant in line with DIN 4726.

4 Product information

4.1 Product description

The air source heat pump vampair is a compact air

source heat pump for outdoor installation. As stan-

dard, it has a cooling function which extracts heat

from the heating surfaces in the living area (under-

floor heating, wall heating) and cools it by reversing

the circulation.

vampair works with inverter technology and Enhan-

ced Vaporized Injection > 13. The defrosting of the

evaporator is done by circulation reversal.

Rear side (intake grille)

Abb. 2-2

Front side (soundproofing slats)

Abb. 2-30:View K 08, K 10

Installation manual vampair 9

1 About this manual

4.2 Functional components

vampair K 08 and K10

The fan 2sucks the ambient air (outside air) through

the evaporator 3and blows it out through the sound-

proofing slats 1.

The condensate formed during defrosting of the eva-

porator is discharged through the outlet 8.

Abb. 2-4

1 Soundproofing slats

2 Fan

3 Evaporators

4 Intake grille

5 Terminal area (electrical connection terminals)

> 30

6 Overtemperature reset (OTR)[1] > 19

7 Outside temperature sensor > 36

8 Condensate drain > 6

[1]Only when using electric heating element (optional accessory)

Components cooling circuit (without evaporator)

Abb. 2-5:View from behind - left

1 Condenser (plate heat exchanger)

1a Primary circuit flow outlet

1b Primary circuit return inlet

2 Non-return valve

3 Liquid collector

4 Fluid line to evaporator

5 Suction gas line from evaporator

6 Filter dryer

7 Scroll compressor

8 Expansion valve

9 Four-way switchover valve

10 Pressure sensors

10 Installation manual vampair

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