Thermia ATEC Guía

Commissioning

Atec

www.thermia.com

Thermia Värmepumpar is not liable or bound by warranty if these

instructions are not adhered to during installation or service.

The English language is used for the original instructions.

Other languages are a translation of the original instructions.

(Directive 2006/42/EC)

Table of Contents

1 About documents and decals ........................................................ 4

1.1 Introduction ................................................................ 4

1.2 Symbols in documents .......................................................... 4

1.3 Symbols on decals ............................................................ 4

2Checking piping and electrical installation ............................................... 6

2.1 Checking the piping installation .................................................... 6

2.2 Checking the electrical installation .................................................. 7

3Filling and bleeding .............................................................. 8

4Setting heat pump size ............................................................ 9

4.1 Setting heat pump size ......................................................... 9

5Configuration of control system ...................................................... 10

5.1 Select display language ......................................................... 10

5.2 Factory setting ............................................................... 10

5.3 Activation of optimum circulation (variable speed) pump ................................... 11

5.4 Set hot water start temperature and activate hot water ..................................... 11

5.5 Activate the electrical auxiliary heater in Atec Plus and Atec Total .............................. 12

5.6 Activate electrical auxiliary heater in Atec Standard ....................................... 13

5.7 Activate active cooling .......................................................... 14

5.8 Distribution circuits ............................................................ 15

6 Find start flow .................................................................. 16

6.1 Finding a start flow ............................................................ 16

7 Manual test .................................................................... 19

8 Starting up ..................................................................... 24

9 Tuning the system ................................................................ 26

10 Installation protocol and customer info ................................................. 29

11 Important information/Safety regulation ................................................ 30

11.1 General safety precautions ....................................................... 30

11.2 Refrigerant ................................................................. 31

11.3 Electrical connection ........................................................... 32

11.4 Water quality ................................................................ 32

11.5 Commissioning .............................................................. 33

Commissioning Atec

Thermia Värmepumpar VIGFG102 3

1 About documents and decals

1.1 Introduction

The following documents are available for this product:

▪Installation quick guide containing information to install a heat pump. Supplied with the heat pump on delivery.

▪The Service instructions contain information about the heat pump’s function, accessories, fault tracing and technical data. The in-

structions also contain tips and advice that should be followed before a heat pump installation. It is therefore recommended that

the instructions are read before installation. The Service instructions are available for download as below.

▪The Wiring diagrams that contain the wiring diagram for the heat pump intended for fault tracing and service. The Wiring diagrams

are available for download as below.

▪The User manual must handed over and gone through with the end customer. Supplied with the heat pump on delivery.

▪Country specific instructions and forms are available where relevant. Supplied with the heat pump on delivery.

▪Self-adhesive decals with translation text. Must be placed on the manufacturing plate in conjunction with installation. Supplied

with the heat pump on delivery.

The Service instructions and Wiring diagrams are available for download here:

www.thermia.com/documents

1.2 Symbols in documents

The instructions contain different warning symbols, which, together with text, indicate to the user that there are risks involved with ac-

tions to be taken.

The symbols are displayed to the left of the text and three different symbols are used to indicate the degree of danger:

Danger Indicates an immediate danger that leads to fatal or serious injury if necessary measures are not taken.

Warning Risk of personal injury!

Indicates a possible danger that can lead to fatal or serious injury if necessary measures are not taken.

Caution Risk of installation damage.

Indicates a possible hazard that can lead to item damage if necessary measures are not taken.

A fourth symbol is used to give practical information or tips on how to perform a procedure.

Information regarding making the handling of the installation easier or a possible operational technical disad-

vantage.

1.3 Symbols on decals

The following symbols can occur on decals on the different parts of the heat pump. Which symbols are used depends on the heat pump

model.

Commissioning Atec

VIGFG102 Thermia Värmepumpar

1.3.1 General

Warning, danger!

Read the documentation provided.

Warning, hazardous electrical voltage!

Warning, hot surfaces!

Warning, moving parts!

Warning, risk of crushing injury!

1.3.2 Electrical components

Outdoor unit

Outdoor sensor

Hot water sensor

Hot water top sensor

Flow guard

353

Drip tray

362

Shunt valve

304

Circulation pump

363

Exchange valve hot water

365

Supply line sensor

366

Return line sensor

406

Room sensor

408

EVU

417

Defrost sensor

Explanation

Component, ordinary delivery according to proposed sys-

tem solutions

Component, accessorie according to proposed system sol-

utions

1.3.3 Pipe connections

Tap water

Heating system

Brine system

Defrosting tank

Expansion tank with safety valve, brine

Air bleeding

Temperature and pressure relief valve

Outdoor unit

Water heater

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2 Checking piping and electrical installation

2.1 Checking the piping installation

Before filling the heating system, check the piping installation according to the checklist below.

For further information, also see the Installation Quick Guide.

Piping checklist OK Not OK

Are the pipe connections in accordance with the connection diagram?

Are the flexible hoses on the supply and return lines installed on the outdoor unit?

Is the strainer on return line mounted? See figure 1

Is an expansion vessel installed?

Is a valve-pipe with safety valve and manometer installed?

Is a volume tank installed? See Volume tank table below

Is a filler cock with non-return valve heating system installed?

DCB

Fig. 1: Strainer

A: Stopcock

B: Cover

C: Strainer

D: O-ring

Warning In order to secure the defrosting of the outdoor unit, a minimum amount of water must be contained in the

heating system. This is shown in the table below.

If the heating system itself holds the amount of water described in the table, a volume tank is not needed, but recommended.

Volume tank table Unit 6 kW 9 kW 11 kW 13 kW 16 kW 18 kW

Min water volume in heating system. Atec Standard and

Atec Plus l 120 180 220 260 320 360

Min water volume in heating system. Atec Total l 60 90 110 130 160 180

If the amount of water in the heating system is not sufficient, Low Pressure alarms may occur.

For Atec Total, also check:

Water heater checklist OK Not OK

Bleed valve installed

For Atec Standard, also check:

External Water heater checklist OK Not OK

Exchange valve installed (factory installed in Atec Plus and Atec Total)

Commissioning Atec

VIGFG102 Thermia Värmepumpar

2.2 Checking the electrical installation

Before turning on electrical power, check the electrical installation according to the checklist below

Electrical installation checklist OK Not OK

Are circuit-breakers installed?

One for indoor unit and one for outdoor unit (not included in the delivery)

Are correct fuses installed? See fuse table below

Positioning of the outdoor sensor. See image below

Is communication cable between heat pump and control centre connected? See Installation Quick Guide.

Especially check the shield connection.

Communication cable must be 2 pair shielded Twisted Pair and UV resistant for out-

door use.

Fuse table

Heat pump and control

units Unit 6 kW 9 kW 11 kW 13 kW 16 kW 18 kW

230V 1-N 50Hz heat pump A 20 32 —

230V 1-N, 50Hz control unit A 1617/3018/4019

400V 3-N 50Hz heat pump A 10 16

400V 3-N, 50Hz control unit A 1012/1613/1614/2015/2516

12) Heat pump with 3 kW additional heater.

13) Heat pump with 6 kW additional heater.

14) Heat pump with 9 kW additional heater.

15) 12 kW additional heater. (Compressor off). Power step 4

16) 15 kW additional heater. (Compressor off). Power step 5

17) Heat pump with 3 kW additional heater.

18) Heat pump with 6 kW additional heater.

19) Heat pump with 9 kW additional heater.

Positioning of the outdoor sensor

2/3 x H

Recommended location

Unsuitable location

▪Position the outdoor sensor on the north or north west side of the

house.

▪Make sure that the outdoor sensor is not placed in direct sun light.

▪For higher buildings, the sensor should be positioned between the

second and third storeys. Its location must not be completely pro-

tected from the wind but not in a direct draft. The outdoor sensor

should not be placed on reflective panel walls.

▪The sensor must be positioned at least 1 m from openings in the

walls that emit hot air.

▪If the sensor cable is connected through a pipe, the pipe must be

sealed so that the sensor is not affected by outgoing air.

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3 Filling and bleeding

1. Fill the system with cold water by opening the filler valve, that is on the valve pipe, to a pressure of 1 bar.

2. Open all radiator valves fully.

3. Bleed all radiators.

4. Bleed the outdoor unit. See figure 3.

5. Refill the heating system to a pressure of min. 1 bar.

6. Repeat the procedure until all air has been removed.

7. Check the system for leakage.

The system must be filled with antifreeze protection when the outdoor unit is operating in cooling mode un-

der a set temperature value under (< 15°C ). The reason is to avoid the potential risk of freezing of the outdoor

unit.

Leave all radiator valves fully open.

To bleed the out door unit, remove the lower front hatch and right hand side cover.

atec-043

T25

Fig. 2: Remove front hatch and side cover

atec-042

Fig. 3: Bleed the outdoor unit

Commissioning Atec

VIGFG102 Thermia Värmepumpar

4 Setting heat pump size

4.1 Setting heat pump size

The default heat pump size setting at shipping is NO SIZE (indicated by an asterisk next to the English text).

This means that the compressor cannot start and the installer must select a heat pump size before leaving this

menu. After the size has been set a factory reset starts and radiator heating appears as the first choice.

When power is supplied to the control unit, the first menu that appears in the display is the DIRECT EVAP. Menu. A heat pump size must

be set before configuring the control system and completing the commissioning.

To set the heat pump size initially:

▪Use the +or –buttons to select heat pump size in kW.

▪Press right arrow (>) to confirm the choice. An asterisk (*) will appear next to the chosen value.

▪Press left arrow (<) and wait until the default screen is displayed.

It is possible to select the heat pump size at a later stage by changing the settings in the Service Menu as

described below.

To enter the Service Menu, press and hold left arrow (<for at least 5 seconds. Use +or –to move up and down in the menu.

Set the output size of the heat pump in the menu:

▪SERVICE

▪INSTALLATION

▪SYSTEM

▪HEAT SOURCE

▪AIR

▪DIRECT EVAP.

▪Press right arrow (>) for approximately 20 seconds to enter the Heat Pump size entry.

▪Use +or –buttons to select Heat Pump size in kW.

▪Press right arrow (>) to confirm the choice. An asterisk (*) will appear next to the chosen

value.

▪Press left arrow (<) several times to navigate back to the Service Menu.

Commissioning Atec

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5 Configuration of control system

Before configuring the control system, the installation must be completed according to the instructions in the

preceeding chapters.

To avoid alarms during start-up, the outdoor unit must be powered on.

Make the settings in the order they appear in the text that follows.

Further information about parameters in the control system are found in the Information Menu and Service Menu chapters in the Tech-

nical Description.

5.1 Select display language

After the heat pump size has been set, it is possible to select the display language. It is also possible to go back and change the size

setting using the desired language.

The following settings are made in the Information Menu. To enter the Information Menu, press left arrow(<). Use +or –to move up and

down in the menu.

Select display language in the INFORMATION menu:

▪INFORMATION

▪Press –button several times to get to the LANGUAGE entry.

▪Press right arrow (>) button to enter the LANGUAGE menu.

▪Use +or –buttons to navigate to the desired language.

▪Press right arrow (>) to chose language. An asterisk (*) will appear next to chosen language.

▪Press left arrow (<) twice to exit the Information Menu.

5.2 Factory setting

Each time a factory reset is executed, parameters like AUX. HEATER, DEFROST, OPTIMUM, HOT WATER, and

HEAT CURVE return to their default values. This means that parameters like AUX. HEATER, OPTIMUM, and HOT

WATER will not be active until manually activated.

The following settings are made in the Service Menu. If not already in the Service Menu, enter the Service Menu by pressing and holding

left arrow (<) for at least 5 seconds. Use +or –to move up and down in the menu.

Make a factory setting and select heating system with the parameters in the SERVICE menu:

▪SERVICE

▪INSTALLATION

▪FACTORY SET

▪Use +or –buttons to select FLOOR or RADIATOR. If CANCEL is selected, the system is reset to the default delivery

setting.

▪Press right arrow (>) to select the appropriate value. If the system is a mix of radiator and floor heating, RADIA-

TOR is chosen.

▪An asterisk (*) will appear to confirm the setting .

▪To exit factory setting, press left arrow (<) 5 times to enter Service Menu.

Commissioning Atec

VIGFG102 Thermia Värmepumpar

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