MHG Heating ThermSelect Series Mode d’emploi
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®
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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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