MHG Heating ThermSelect Series Guida

ThermSelect®

As of 9 March 2011

Table of Contents

1Safety............................................................................................................................................................4

1.1 General.......................................................................................................................................................................... 4

1.2 Intended use.................................................................................................................................................................. 5

1.3 Explanation of symbols.................................................................................................................................................. 6

1.4 Personnel requirements ................................................................................................................................................ 7

1.5 Special dangers............................................................................................................................................................. 8

2Standards and Regulations......................................................................................................................11

2.1 Standards and Regulations ......................................................................................................................................... 11

3Transport, Packaging, Storage ................................................................................................................14

3.1 Safety notes for transport ............................................................................................................................................ 14

3.2 Inspection of the delivery............................................................................................................................................. 15

3.3 Notes on storage ......................................................................................................................................................... 15

3.4 Handling of packaging material ................................................................................................................................... 15

3.5 Disposal of packaging ................................................................................................................................................. 16

3.6 Disposal of the device ................................................................................................................................................. 16

4General .......................................................................................................................................................17

4.1 Product description...................................................................................................................................................... 17

4.2 What is included .......................................................................................................................................................... 18

4.3 Accessories ................................................................................................................................................................. 18

5Technical data............................................................................................................................................20

5.1 Dimensions and connection ratings............................................................................................................................. 20

5.2 Identification plate........................................................................................................................................................ 22

5.3 Technical data ............................................................................................................................................................. 24

5.4 Electrical data.............................................................................................................................................................. 26

6Installation..................................................................................................................................................36

6.1 Safety during assembly ............................................................................................................................................... 36

6.2 Requirements on the erection location of the heat pump ............................................................................................ 36

6.3 Assembly tools ............................................................................................................................................................ 39

6.4 Installation information................................................................................................................................................. 39

6.5 Hydraulic connection ................................................................................................................................................... 50

6.6 Electrical connection.................................................................................................................................................... 52

Table of Contents

7Commissioning .........................................................................................................................................62

7.1 Safety during startup ................................................................................................................................................... 62

7.2 Inspection prior to startup ............................................................................................................................................ 62

7.3 Commissioning ............................................................................................................................................................ 63

7.4 Setting the controller.................................................................................................................................................... 65

7.5 Parameterisation ......................................................................................................................................................... 66

7.6 Commissioning record................................................................................................................................................. 66

8Maintenance...............................................................................................................................................67

8.1 Maintenance................................................................................................................................................................ 67

8.2 Components relevant to safety.................................................................................................................................... 68

8.3 Work to be carried out ................................................................................................................................................. 68

8.4 Spare part drawing and legend.................................................................................................................................... 72

9Troubleshooting........................................................................................................................................73

9.1 Troubleshooting........................................................................................................................................................... 73

10 Warranty.....................................................................................................................................................76

10.1 Warranty...................................................................................................................................................................... 76

10.2 Manufacturer Certificate / EU Design Conformity Declaration..................................................................................... 79

10.3 Proof of Service ........................................................................................................................................................... 81

11 Hydraulic diagrams...................................................................................................................................86

11.1 Hydraulic diagrams...................................................................................................................................................... 86

12 Index...........................................................................................................................................................98

1. Safety ThermSelect®

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1 Safety

1.1 General

Assembly, Commissioning and Maintenance Instructions

- are addressed to technicians of professional heating companies.

- Contains important information for safe handling of the device.

Compliance with all specified safety information and handling in-

structions is the prerequisite for safe working.

- Must be following by all persons working on the device.

The information contained in this document is accurate and up to date

to the best of our knowledge at the time of writing. The information

provided serves as a reference for the safe operation of the product

named in the Assembly, Startup, and Maintenance Instructions. The

information provided is not transferable to any other products.

Safekeeping of documentation NOTE!

These instructions must remain on the device, so

that they are also available if required later. With a

change of operator, the instructions must be handed

over to the subsequent operator.

ThermSelect® 1. Safety

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1.2 Intended use

The devices are intended as heat sources for closed warm water

central heating systems and for central warm water preparation. Any

other or more comprehensive use is not as intended.

MHG Heiztechnik does not assume any liability for consequential

damages. The risk will be borne by the owner of the equipment

alone.

MHG devices have been built in accordance with the applicable

standards and guidelines as well as the valid safety rules. However,

personal injuries or property damage may occur if not used properly.

To avoid hazards, the device may only be used:

- For its intended purpose

- In a proper condition, in terms of safety equipment

- In compliance with the instructions for Assembly, Startup and

Maintenance, as well as the operating instructions

- In compliance with the necessary maintenance activities

- In compliance with the technologically required minimum and max-

imum values

- If malfunctions that may compromise safety have been remedied

immediately

- If all of the safety and warning signs attached on and in the device

are not removed and remain legible

CAUTION!

Device damage through weather impacts!

Electrical hazard through water and corrosion of the

enclosure and the components.

Therefore:

- The internal unit may not be operated outdoors. It is

suitable only for operation in rooms.

CAUTION!

System damage from frost!

The heating system can freeze in case of frost.

Therefore:

- Leave the heating system in operation during a

frost period, so that the rooms are sufficiently tem-

pered. This also applies in the case of the opera-

tor's absence or if the rooms are vacant.

1. Safety ThermSelect®

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1.3 Explanation of symbols

The section provides an overview of all important safety aspects for

optimum personal safety, as well as for safe and fault-free opera-

tion.

The handling instructions and safety notes specified in these instruc-

tions must be followed to prevent accidents, personal injuries and

property damages.

DANGER!

… indicates life-threatening situations due to

electric current.

WARNING!

… indicates a possibly hazardous situation, which

can lead to death or serious injuries, if not avoided.

PRECAUTION!

… indicates a possibly hazardous situation, which

can lead to minor or slight injuries, if not avoided.

CAUTION!

... indicates a possibly hazardous situation, which

can lead to property damage, if not avoided.

NOTE!

... highlights useful tips and recommendations, as

well as information for efficient and fault-free opera-

tion.

ThermSelect® 1. Safety

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1.4 Personnel requirements

WARNING!

Danger to life if not sufficiently qualified!

Improper handling leads to considerable personal

injuries and property damages.

Therefore:

- Assembly, startup and maintenance works, repairs

or change to the set fuel quantity may only be car-

ried out by a heating

and/or air conditioning professional.

- Consult professionals in case of doubt.

The following qualifications for various task areas are listed in the

instructions:

- Equipment operator

must be informed about the handling of the equipment; in particu-

lar, he must receive the operating instructions for the device. He is

responsible for the proper operation of the system and must en-

sure that it is regularly serviced by a specialist fitter.

- Technical personnel

are able because of their technical training, know-how and expe-

rience as well as knowledge of the relevant regulations to carry

out the work activities assigned to them and to detect possible

dangers on their own.

- Cooling systems technician

must provide certification in accordance with Article 5 of the

Commission Regulation (EC) No 303/2008 establishing, pursuant

to Regulation (EC) No 842/2006 of the European Parliament and

of the Council. 2, Sentence 1 of ChemKlimaschutzV (Chemicals-

Climate Protection Regulation)

1. Safety ThermSelect®

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1.5 Special dangers

In the following section the remaining risks are specified which result

based on the risk analysis.

The safety information listed here and the warning instructions in the

subsequent chapters of this manual must be followed to reduce

health risks and to avoid dangerous situations.

Electrical current DANGER!

Risk to life through electrical current!

Contact with live components can cause serious inju-

ries.

Therefore:

- Work on electrical systems may only be performed

by professional electricians.

- Turn off electric power before beginning the work

activities and secure against being turned on again.

- In case of damaged insulation, immediately cut off

the power supply and initiate the repair.

Hot surfaces PRECAUTION!

Risk of burning from hot surfaces!

Contact with hot components can cause burns.

Therefore:

- Always wear protective gloves when working near

hot components.

- Make sure that all components have cooled down

to the ambient temperature before commencing any

work.

- Do not touch the compressor and hot gas line dur-

ing operation.

ThermSelect® 1. Safety

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Refrigerant The safety datasheet concerning refrigerant R 407 C is available for

download at www.mhg.de\Download\Sicherheitsdatenblätter.

NOTE!

in case of emergencies, ring

the telephone number below:

+44(0)208 762 83 22 [CareChem 24] (Europe)

WARNING!

Danger to life through lack of oxygen!

Vapours of the refrigerants R 407 C are heavier than

air and may cause suffocation by displacing oxygen.

Therefore:

- Exercise special caution when entering lower lying

closed rooms.

- Work on the refrigerant circulation may only be per-

formed by persons possessing a refrigeration cer-

tificate in accordance with ChemKlimaschutzV.

- Do not smoke when handling refrigerant as its

products of decomposition in the lit cigarette act as

an irritant and a poison!

PRECAUTION!

Risk of injury due to refrigerant!

Refrigerant is corrosive and causes cold burns upon

contact with skin.

Therefore:

- Wear chemical-resistant protective gloves when

handling refrigerant at any time.

- Wear protective glasses to avoid contact with eyes.

1. Safety ThermSelect®

10/100

Changes to the device WARNING!

Risk of life through electrical shock as well as de-

struction of the device from water leakage!

The operating permit becomes void when making

modifications to the device!

Therefore:

Do not make any modifications to the following

items:

- To the safety valve and to the outlet line for the

heating water

- To structural circumstances, which can have an

influence on the operating safety of the device.

- Opening and/or repairing original parts (e.g. drive,

controller)

WARNING!

Risk to life and damage to the environment through

refrigerant leakage!

The operating permit becomes void when making

modifications to the device!

Therefore:

Do not make any modifications to the following

items:

- To the interior or exterior unit of the device

- On the lines for water, electrical power and refrige-

rant

Heating water WARNING!

Risk of poisoning through heating water!

The use of heating water leads to poisoning.

Therefore:

- Never use heating water as drinking water because

it is contaminated from dissolved deposits.

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