ECOFOREST Ecogeo basic Guía del usuario

MANUAL INSTALADOR

INSTALLER MANUAL

INSTALLERHANDBUCH

MANUEL DE INSTALLATION

INSTALLATIE-HANLEIDING

ecoGEO Basic

MODEL:

04 / 2016 SOFTWARE VERSION v01_B23

SERVICE CONTACT:

ecoGEO Compact

Installer manual ecoGEO

2. Heat pump installation

2.1. Transport and handling

The heat pump must be transported vertically and not exposed to adverse weather conditions. It can be lain carefully on its rear side

to facilitate transportation to the installation site.

NOTE

Do not tilt the heat pump more than 45º, since this could impair proper equipment operation.

Due to its heavy weight, the heat pump should be handled by two workers using a forklift for heavy

loads.

2.2. Dimensions and connections

The overall dimensions and hydraulic connections of the ecoGEO Compact and ecoGEO Basic heat pumps are described below.

Figure 1.1. Overall dimensions and hydraulic connections of the ecoGEO Compact model (Amounts in mm).

1736

139

462

537

282

720

175

300

425

1812

600

Installer manual ecoGEO

Figure 1.2. Overall dimensions and hydraulic connections of the ecoGEO Basic model (Amounts in mm).

No.

Description

No.

Description

Heating / cooling supply; G1-1/4” Male

Tap water inlet; G1" Female

Heating / cooling return; G1-1/4” Male

DHW outlet (G1" Female)

Brine supply; G1-1/4” Male

DHW recirculation return; G3/4” Female

Brine return, G1-1/4 Male

Drain; φ16 mm

DHW exchanger intake; G1” Male

Power cables inlet

DHW exchanger return; G1” Male

Control cables inlet

Table 1.1. Hydraulic connections key.

All the models are prepared for pipe connection both at the top and at the rear.

The factory installation is prepared for connection at the top. To connect at the rear, the connection fittings installed at the top must

be exchanged with the blind cable glands installed at the rear.

2.3. Unpacking

To unpack the heat pump, remove the wooden box carefully, remove the pallet anchoring screws and perform a check to make sure

the heat pump has not been damaged during transportation.

710

950

538

157

273

348

463

600

1060

Installer manual ecoGEO

Figure 1.3. Removing the screws fastening the heat pump to the pallet.

2.4. Assembly and disassembly of the covers

A Torx T20 screwdriver and a 10 mm wrench are needed to assemble and disassemble the covers.

ecoGEO Compact Models

1. Disassemble the top front cover. Remove the screws located at the upper part and pull the cover upwards.

2. Disassemble the bottom front cover. Remove the screws located at the upper part and pull upwards.

3. Disassemble the side covers. Loosen the screws and nuts located at the front and rear and remove the cover.

4. Once the covers have been removed, the acoustic insulation panels can be removed by pulling them outwards.

Figure 1.4. Disassembly of the covers of the ecoGEO Compact models.

ecoGEO Basic Models

1. Disassemble the top cover. Remove the screws located at the rear and pull the cover upwards.

2. Disassemble the front cover. Remove the screws located at the upper part and pull the cover upwards.

3. Disassemble the side covers. Loosen the screws and nuts located at the front and rear and top and remove the cover.

4. Once the covers have been removed, the acoustic insulation panels can be removed by pulling them outwards.

Installer manual ecoGEO

Figure 1.5. Disassembly of the covers of the ecoGEO Basic models.

NOTE

During cover disassembly, take care to remove the control panel cable without damaging it.

2.5. Recommended positioning

Choose a dry place where there is no risk of frost. Avoid installation against bedroom walls or walls of other rooms where noise

emissions can be annoying. If possible, install the heat pump with the rear part pointed toward an exterior wall. Avoid installation

near a corner, since this can amplify noise emission levels.

The heat pump should be installed on a stable base that can support the total weight of the equipment and the operating fluids in its

interior. Use the adjustable legs to compensate for possible irregularities on the supporting surface.

Figure 1.6. Positioning and levelling the heat pump.

2.6. Service areas

The minimum recommended distances to be left around the heat pump to facilitate installation, start-up and maintenance work are

indicated below.

Installer manual ecoGEO

Figure 1.7. Minimum recommended service areas around the heat pump (amounts in mm).

The space needed at the back of the heat pump can be either 50 mm or 300 mm, depending on which pipe connection alternative is

chosen, top or rear, respectively.

3. Hydraulic installation

NOTE

The installation schemes included from here on should be considered simply as a guide.

The design of the hydraulic installation must be performed by qualified personnel and in accordance

with applicable local regulations.

3.1. General instructions

The following recommendations should be taken into consideration for proper hydraulic installation.

Avoid excessive strain between the pipes and the heat pump connections to prevent leaks and/or transmission of vibrations.

Flexible hoses should be used for heat pump connections.

Install cut-off valves at all the hydraulic connections to facilitate future maintenance tasks.

Install traps at all the installation points where air pockets can form.

Place heat insulation on all circuit pipes to prevent unnecessary heat loss. Pay special attention to the heating insulation on

the brine circuit pipes, since these can reach temperatures below 0ºC, causing condensation and/or frost.

DANGER!

During installation work on the hydraulic circuits, take special care to prevent liquid from spilling on the

internal electrical heat pump components, which could cause personal injury due to electrocution

and/or poor equipment operation.

300

500

600

50 - 300

300

600

50 - 300

500

Installer manual ecoGEO

Do not install components that might cover the inlet or outlet of the safety valves; this could lead to a

risk of some of its components breaking and cause injuries and/or material damage.

3.2. Brine circuit

The ecoGEO heat pumps can be used with horizontal or vertical (A) geothermal brine systems or by using groundwater (B).

Aerothermal brine can also be used by replacing the geothermal collector with one or more ecoGEO AU12 aerothermal units (C).

Finally, hybrid collection can be obtained by combining a geothermal collector with one or more ecoGEO AU12 aerothermal units

(D).

Geothermal brine systems

Brine systems with more than one circuit must be connected in parallel, so the flow rate through each one is similar.

Groundwater brine systems

Groundwater brine systems must use a midway exchanger to prevent the heat pump evaporator from corrosion, freezing or getting

dirty.

Hybrid brine systems

In hybrid brine installations, the aerothermal collector and the geothermal collector must be connected in series so the antifreeze

mixture circulates first through the aerothermal collector and then through the geothermal collector.

On the other hand, open / close 3-way valves must be installed between the outlet and return of each collector so the collector can

be bypassed when it is not in use.

Figure 1.8. Brine circuit connection options.

Integrated components

The following brine circuit components are included within the heat pump.

Variable speed and high efficiency outlet pump (energy class A).

Expansion vessel with a capacity of 8 litres, with pre-adjusted pressure of 0.75 bar (pressure gauge).

DO17

DO16

AO3

DO6

DO16

AO3DO16

Installer manual ecoGEO

Safety valve loaded at 3 bar (pressure gauge).

Drain valve.

Installation instructions

Follow the instructions below to wire the brine circuit.

Install the necessary components to carry out the filling/discharge of the return pipe.

Install a particulate filter in the return pipe with a mesh size no greater than 1 mm. It is recommended to install shut off valves

immediately before and after the filter to make it easier to clean or replace.

Check that the volume of the expansion vessel integrated in the heat pump is capable of absorbing any overpressures from

the circuit. If this volume is not enough, install a supplementary external expansion vessel.

If necessary, adjust the pressure of the expansion vessel integrated in the heat pump to guarantee that the circuit remains

pressurised at all points.

3.3. Heating / Cooling circuit

The ecoGEO heat pumps can be connected to various types of heating / cooling systems, both directly and by separating buffer

storage tanks. On the other hand, these enable control over several devices that are external to the heating / cooling system directly

from the heat pump's electrical panel.

Heating / cooling system

The ecoGEO heat pumps are designed to be used with heating systems with nominal outlet temperatures of up to 55ºC; such as

underfloor heating systems, low temperature radiators or convectors. They are not recommended for use in heating systems that

require higher temperatures.

The ecoGEO heat pumps can be used with cooling systems with nominal outlet temperatures of up to 7ºC, such as convectors and

underfloor cooling systems.

Special care should be taken in the design and control in installations with underfloor cooling, to prevent problems of condensation

on floors.

The models that are not equipped with integrated passive cold allow control of external passive cooling equipment.

Direct installation

In simple heating / cooling systems, ecoGEO heat pumps can be installed directly into the distribution system, in systems with

underfloor heating, low temperature radiators and convectors.

Figure 1.9. Wiring scheme directly to the heating / cooling system.

DI12

DI11

DI10

DI9

DI8

DI7

DI6

DI5

FBus2

DO5

DG1

DO14

AO4

AI13

SG3

DO15

AO5

AI14

SG4

DO6

AO3

AI12

SG2

TT T

Installer manual ecoGEO

Installation using buffer storage tanks

If required by the application, the heat pump can also be connected to the heating / cooling system using a buffer separator tank. To

do so, it is equipped with two temperature probes that are used to control a buffer storage tank for heating and a buffer storage tank

for cooling. In installations where there is only one buffer storage tank for heating and cooling, both probes have to be installed in

the storage tank. Install the temperature probes at the points where heating / cooling production begins. Heating / cooling production

is stopped by the return temperature probe installed inside the heat pump.

Figure 1.10.Wiring scheme using two buffer storage tanks.

Figure 1.11.Wiring scheme using a single buffer storage tank.

Outlet units

These can manage as many as four different outlet temperatures. This is done by managing one direct outlet unit and three combined

outlet units. The combined outlet units have to use modulating 3-way valves with an analogue signal of 0-10Vdc. Each outlet unit has

independent terminals for heating and cooling demands. These signals are supplied with 24Vac or 24Vdc voltage.

DO10

AI16

AI15

DO13

DO12

DI12

DI11

DI10

DI9

DI8

DI7

DI6

DI5

FBus2

DO5

DG1

DO14

AO4

AI13

SG3

DO15

AO5

AI14

SG4

DO6

AO3

AI12

SG2

TT T

DO10

AI16

AI15

DI12

DI11

DI10

DI9

DI8

DI7

DI6

DI5

FBus2

DO5

DG1

DO14

AO4

AI13

SG3

DO15

AO5

AI14

SG4

DO6

AO3

AI12

SG2

TT T

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