SmartHeat Classic Guide produit

Operating & installation instru

tions

classic

Subject to technical changes.

V 1

www.SmartHeat.de

By choosing the heat pump classic you have decided to purchase a proven product. The unit

considers the nowledge acquired in many years of using heat pumps with state-of-the-art

technique.

The heat pumps of the SmartHeat product range distinguish themselves by an optimization

according to ecological points of view. The increasing performance as well as the use of

coolants which are very harmful to the environment are to important criteria which had been

ta en into consideration when designing the units.

A high performance equals to a high ratio of regenerative environment (heat) energy, which is

used to heat living rooms - and thus complies with a little part

of CO

-emissions and little electrical power consumption. When operating a heat pump the

user thus contributes to the protection of our environment and saves heating cost.

While using non-toxic, non-explosive and non-flammable coolants ozone-depleting chlorinated

hydrocarbons are being replaced.

Please thoroughly read the present operating instructions and ma e sure to observe the safety-

relevant notes.

1.1.

Subject to technical changes.

Operating & installation instru

tions

classic

www.SmartHeat.de

Inhaltsverzeichnis

General notes .............................................................................................................................................................. 3

1.1

Limitation of liability ........................................................................................................................................ 3

1.2

Duty of care of the operator ............................................................................................................................. 3

1.3

Basic instructions .............................................................................................................................................. 4

Purpose ....................................................................................................................................................................... 4

2.1

Proper use .......................................................................................................................................................... 4

Product description .................................................................................................................................................... 5

3.1

Functional description / Application ran e .................................................................................................... 5

3.2

Option i - Inverter technolo y ......................................................................................................................... 7

3.3

Option R - Active coolin ................................................................................................................................. 7

3.4

Option - Passive coolin .................................................................................................................................... 9

Device view .............................................................................................................................................................. 11

Transportation .................................................................................................................................................................. 12

Installation ................................................................................................................................................................. 13

5.1

General notes ................................................................................................................................................... 13

5.2

Minimum clearances for the installation ...................................................................................................... 13

Assembly ................................................................................................................................................................... 14

6.1

General notes ................................................................................................................................................... 14

6.2

Preparation ...................................................................................................................................................... 14

6.3

Connection at the side of the heat source ...................................................................................................... 14

6.4

Connection of the heatin system .................................................................................................................. 15

6.5

Electrical connection ....................................................................................................................................... 16

Commissioning .......................................................................................................................................................... 19

7.1

General notes ................................................................................................................................................... 19

7.2

Preparation ...................................................................................................................................................... 19

7.3

Notes for the proper aeration and de-aeration ............................................................................................. 19

7.4

Control ............................................................................................................................................................. 21

Maintenance, cleaning and care instructions ............................................................................................................. 22

8.1

Maintenance .................................................................................................................................................... 22

8.2

Cleanin of the heatin system ...................................................................................................................... 22

8.3

Care .................................................................................................................................................................. 22

Failure ....................................................................................................................................................................... 23

Dry heating ........................................................................................................................................................... 23

Decommissioning .................................................................................................................................................. 24

Hydraulic examples ............................................................................................................................................... 25

12.1

Basic notes ....................................................................................................................................................... 25

12.2

Hydraulic schematics ...................................................................................................................................... 25

Appendix ............................................................................................................................................................... 31

Operating & installation instru

tions

classic

Subject to technical changes.

V 1

www.SmartHeat.de

1 General notes

1.1 Limitation of liability

All technical information data and notes for installation and operation included in these instructions are state-of-the-art

at the time of printing and are performed considering our present experiences and nowledge in all conscience. It is not

possible to derive any claims from the information, illustrations and descriptions of these instructions.

The manufacturer does not assume any liability for damages due to:

- Improper use

- Use of not admitted spare parts

- Unauthorized retrofitting of any ind

- Technical changes

- Improper changes of the coolant quantity

- Non-observance of the operating and installation instructions

- Damages resulting of the non-observance of applicable standards

1.2 Duty of care of the operator

In the design and completion of heat pumps all corresponding EC directives, DIN and VDE standards and regulations

are complied with (refer to EC declaration of conformity).

The relevant VDE-, EN- and IEC- standards must be complied with for electrical connection of heat pumps. The local

connecting conditions of the utilities must be observed.

The operator must in particular ma e sure that

The technically conditioned minimum and maximum values does not fall short or are exceeded.

The machine is only operated in proper, functional status and that in particular it is regularly chec ed if the

safety installations are wor ing properly.

Only sufficiently qualified and authorized staff who nows the operating instructions and in particular the in-

cluded safety instructions is allowed to install maintain and repair the machine.

All safety and warning instructions applied on and in the machine must not be removed and must be main-

tained legible.

These operating instructions must be stored in the range of the controller. It must be guaranteed that all persons who

have to perform activities on the machine can read the operating instructions at any time.

If it is necessary to switch off the complete system during the heating period,

there is a ris that the system freezes. In order to avoid damages caused by frost,

empty the water circuit of the system after complete switching off or decommis-

sioning of the system.

1.1.

Subject to technical changes.

Operating & installation instru

tions

classic

www.SmartHeat.de

1.3 Basic instructions

The heat pump must only be operated with all connected media.

A flow monitoring in the heating system must be guaranteed by the installation's

operator.

Before opening the unit it must be made sure that the heat pump is zero potential.

Only a specialist is allowed to set the control to manual operation for a short term

since in this way all control and safety functions are inoperative.

The unit must be installed on a sustainable, flat and horizontal ground.

The transportation of the heat pump must be performed with care. It is only al-

lowed to tilt the machine cabinet to more than 45° for a short term.

Only operate the heat pump within the usage frequency (refer to the data sheet)

(in Germany 50Hz).

In emergency situations decommission the heat pump resp. switch in currentless

condition (main and control voltage).

Only expert approved specialists are allowed to wor on the cooling circuit.

An external separator must be provided for all electrical supplies of the machine

(e.g. main switch).

The refrigerant circuit of the heat pump must be controlled by certified staff, ac-

cording to the regulation EC No 842/2006, at least every twelve months in order

to chec if the system is tight.

2 Purpose

2.1 Proper use

The heat pumps can be used in existing or newly constructed heating systems. The heat pump is only designed to heat

up heating water and service water. The existing operating and installation instructions are binding for the following

heat pumps:

classic serie:

BW / WW / DI

Please find the technical data of your heat pump in the annex.

Type Operating limit ∆T

Heating circuit BW / WW 25 … 55°C 5-7K

Heating circuit DI 25 … 55°C 5-7K

Heating circuit HT 25 … 65°C 5-7K

Heating circuit Option i 25 … 60°C 5-7K

Heat source BW / BW Option i -10 … 15°C 3-5K

Heat source WW / WW Option i 5 … 15°C 3-5K

Heat source DI -10 … 15 °C 3-5K

Operating & installation instru

tions

classic

Subject to technical changes.

V 1

www.SmartHeat.de

3 Product description

3.1 Functional description / Application range

Direct expansion - Heat Pump: classic DI

The SmartHeat classic DI heat pump operates with direct evaporation of the refrigerant at the heat source and avoids

installation of a brine water circuit in this way. In this case, the refrigerant flows through many parallel polyethylene-

coated safety copper tubes and evaporates. The copper tubes have been routed over an area as ground collectors and

ta e the evaporation heat directly from the ground. As the refrigerant can evaporate well below freezing point, there is

no need to route the ground collector in a frost-free area. Not too deep routing has the advantage that rain, melt water

and sun radiation can become quic er effective at the ground collector (evaporator) and the energy supply is made

available as usable energy by the heat pump. The heat emitting side of the SmartHeat classic heat pump operates with a

heat exchanger as a condenser and, in this way, heats the water for heating and domestic hot water (DHW).

Brine-water heat pump: SmartHeat classic BW

The SmartHeat classic BW heat pump is wor ing with a heat exchanger as evaporator and a heat exchanger as conden-

ser connected to a brine circuit and thus heats up water for heating purposes as well as drin ing water. The ground

collector of the BW system consists of brine water conveying PE pipes which are horizontally installed in a frost-free

area. Optionally (e.g. in case of shortage of space) deep probes may be used. In both cases the brine water is conveyed

as heat carrier medium through the enclosed circuit (brine circuit) by means of the pump. The required brine recircula-

tion pump as well as the expansion tan can be installed in the building or in an outside shaft.

Provide for sufficient aeration of the heat source circuit!

Water-water heat pump: SmartHeat classic WW

The design of the SmartHeat classic WW heat pump is very similar to the design of the BW heat pump. However, in-

stead of the brine circuit an extraction well and an injection well are connected which convey ground water to the heat

pump. The WW heat pump is adapted to the higher temperature level of ground water compared to a brine circuit.

Also the necessary precautions had been ta en in order to allow a trouble-free operation also under the special re-

quirements of ground water (corrosion due to contents and free oxygen as well as accumulation of mud in the heat

exchanger).

The SmartHeat classic WW heat pump also heats up water for heating purposes in a heat exchanger for heating pur-

poses and hot water preparation designed as a condenser. The integration of a decoupling storage in the hot water

circuit reduces the frequency of operation of the heat pump.

Provide for sufficient aeration of the heat source circuit!

1.1.

Subject to technical changes.

Operating & installation instru

tions

classic

www.SmartHeat.de

Guidance value for the water quality

The ground water which is used as heat source must fulfil the following listed minimum requirements:

Soldered copper Alfa Nova

Conductivity in µ-Siemens / cm * < 450 < 700 +

pH - value

< 6

6 – 7

7 – 9

> 9

< 6

6 – 7

7 – 9

> 9

Total hardness in °dH < 15

> 15

< 15

> 15

Chloride in ppm < 50 < 100 +

Sulphate in ppm

< 50

50 – 100

> 100

< 50

50 – 100

> 100

Carbon dioxide in ppm

< 5

5 – 10

> 10

< 5

5 – 10

> 10

Ratio [HCO

] / [SO

] > 1 > 1 +

Nitrate in ppm < 100 < 100 +

Oxygen in ppm

< 1

1 – 8

> 8

< 1

1 – 8

> 8

Ammonia in ppm

< 2

2 – 10

> 10

< 2

2 – 10

> 10

Solute iron in ppm

< 0,2

0,2 – 0,5

>0,5

< 0,2

0,2 – 0,5

>0,5

Solute manganese in ppm

< 0,05

0,05 – 0,1

<0,1

< 0,05

0,05 – 0,1

<0,1

Hydrogen sulfide in ppm < 0,05 < 0,05 +

free chlorine in ppm < 0,5 < 0,5 +

Solids (suspended) mg/l;

Imperatively avoid fibre

substances

> 10

< 10

> 10

< 10

*at 20°C

+  The used materials are normally of good resistance.

o  If several factors are evaluated with o, corrosion can appear.

-  It is advised against using a water heat pump.

Furthermore, we recommend the installation of a flow meter in the well water circuit by the customer in order to

protect the heat pump against non-continuous volume flows and thus against possible damages.

Operating & installation instru

tions

classic

Subject to technical changes.

V 1

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3.2 Option i - Inverter technology

The advanced inverter technology will fit to the compressor speed stepless exact to each request heating or cooling

demand. An especially power-saving and efficient wor with high annual wor figures is guaranteed in comparison to

fixed speed compressors by this exact, intelligent and soft regulation.

3.3 Option R - Active cooling

General notes

The classic module active cooling allows you to operate your heat pump heating unit also with a cooling function in

addition to the nown hot and warm water preparation functions. These cooling function enables the cooling of the

building in relation with an appropriate distribution system when it is operated in summer.

Since the module active cooling is based on the use of a cooling circuit of the heat pump there is a possibility of cooling

also at increased outside and earth temperatures.

Operation

The heat pump module active cooling is based on the reversibly designed refrigerating circuit which is integrated in the

heat pump basic unit, i.e. the heat pump is wor ing in reverse operation. In this way it is possible to cool the heating

water in summer by means of a heat pump. The living rooms are cooled down and the ground is heated up.

Since the module active cooling is based on the use of the heat pump compressor the accruing power consumption is

comparable to the power consumption during the heating period.

Proper use

The classic module active cooling is an optional module for the upgrading of your heat pump device during production

at the factory. The indications for the following heat pumps are binding:

classic serie: BW / WW

The classic module active cooling represents a firmly combined unit together with

the classic heat pump.

The manufacturer cannot be held liable for damages and malfunctions which can

be traced bac to non-observance of the operating and installation instructions.

It is necessary to install safety devices. Please request any further information at

the service hotline: +49 3843 / 2279-111.

1.1.

Subject to technical changes.

Operating & installation instru

tions

classic

www.SmartHeat.de

Planning and dimensioning

For planning and dimensioning of heating and cooling spaces consider the common technical rules.

For maximum transferable cooling capacity it can be calculated with 100 W/m

for wall and sealing spaces. For under-

floor spaces, which are used for cooling, lower transferring capacities should be considered – at maximum 20 … 25

W/m

. The surface of the floor is only suitable in lower rate for cooling a building.

Remar : During cooling operation the relative humidity of the air is raising. This may lead to undershooting the dew

point temperature and therefore condensing of water at the cooled spaces. If the condensing ta es place at the surface

or inside of the walls, there is the danger of damages by mildew.

Please consider that the room temperatur should not be lower than 6 K below

outside air temperature with respect to health!

Electrical connection

The module active cooling reveives the required electric power with the power supply of the heat pump. An additional

power supply is not required.

Hydraulic connection

For hydraulic connection there are no differences to heat pumps without the module active cooling. The outgoing and

bac flow maintain their flow direction and are changing to cooling outflow and cooling bac flow. Additional hydraulic

connections for cooling function are not available.

During start-up of the heat pump with module „Active Cooling“ ta e care of good

flow in heating circuit! Have a loo at the data sheet of the heat pump! If this flow

is not ensured, there is the possibility of freezing of the heat exchanger, if the heat

pump operates in cooling mode during start-up unintentionally. This may lead to

damages at the heat exchanger! A flow monitoring in the heating system must be

guaranteed by the installation's operator.

During start-up with cold heating water this may be possible also at sufficient

volume flow! The water of heating circuit should not be colder than 25°C at the

first start-up!

Operating & installation instru

tions

classic

Subject to technical changes.

V 1

www.SmartHeat.de

3.4 Option - Passive cooling

General notes

The module for externally passive cooling extends the application range of your classic heat pump by the function to

cool the building during the summer. This module is available for all classic-models of the series BW (brine/water) and

WW (water/water). Cooling of the heating water during the summer months is achieved be transferring heat from the

heating circuit to the brine circuit or the groundwater. When combining with a suitable heating and cooling system in

the house (combination of floor, wall and ceiling heating) the cooling effect can be realised for the desired rooms. As

the module for passive cooling goes without using the refrigerating circuit of the heat pump, this gives a very reasonable

possibility regarding energy consumption for cooling.

Application areas

The module for externally passive cooling is based on a plate heat exchanger, as well as switching over components (3-

way-valve), which has to be installed externally, and activating of cooling mode of the controller. Due to this combina-

tion it is possible, to cool down the heating water during the summer via the plate heat exchanger. In this case, the heat

is ta en up from the brine water or the ground-water and transported into the ground. The living spaces will be cooled

and the ground heated up.

By using the generously dimensioned heat exchanger, the separation of the heating water and brine water or ground-

water side continues to be ept. Filling of the heating side with antifreeze, li e on the brine side, is not necessary. As

the module for passive cooling operates without using the heat pump compressor, the occurring electricity consump-

tion is low by comparison. Only the two circulating pumps of the heating side as well as the brine water side or ground-

water side will be operated.

As the function of the passive cooling is realised only via a heat exchange, a reduction of the cooling effect has to be

assumed with increasing ground or ground-water temperature. The heat, transferred into the ground will, at least in

part, be stored and ta en bac when need for heating starts. This leads to an improvement of the capacity and annual

operating data and can, by this, reduce the incurred electricity costs. In principle, the hot-water preparation has priority

over the cooling function.

The achievable cooling capacity cannot be given as a fixed value. It depends on the lay-out of the plate heat exchanger,

as well as dimensioning of the cooling surfaces and the brine water or well system. A reduction of the cooling capacity

during the summer can occur especially in brine water systems, as the ground continues to be heated up. With increas-

ing brine temperatures the transferable cooling capacity of the heat exchanger is decreasing.

Specification-conform application

The classic-module for passive cooling is an optional module to upgrade your heat pump device during manufacture.

The information is applies for the following heat pumps:

classic serie: BW / WW

The classic–module for passive cooling is a unit solidly connected with the classic-

heat pump.

The manufacturer will not be liable for damages and operation interruptions

caused by not observing the operating and assembly instructions.

Please request any further information as well as a commissioning log at the ser-

vice hotline: +49 3843 / 2279-111.

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