Glow-worm Envirosorb2 7, Envirosorb2 14, Envirosorb2 12 Installation And Servicing

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Envirosorb2 7 / 12 / 14

Installation and Servicing

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INTRODUCTION

1 Instructions guidance ................................................................................................................... 3

1.1 Product documentation .......................................................................................3

1.2 Associated documents .......................................................................................3

1.3 Explanation of symbols .......................................................................................3

1.4 Guarantee registration ........................................................................................3

2 Appliance description ................................................................................................................... 3

2.1 Safety devices ....................................................................................................3

2.2 Data label ...........................................................................................................4

2.3 Regulation and statutory requirements .................................................................4

2.4 Concept of operation ...........................................................................................4

2.5 Hydraulic and refrigerant schematic .....................................................................6

3 Safety instructions and regulations ............................................................................................... 7

3.1 Safety instructions ..............................................................................................7

3.2 Regulations .......................................................................................................8

4 Recycling ..................................................................................................................................... 8

4.1 Appliance ...........................................................................................................8

4.2 Packaging ..........................................................................................................8

4.3 Refrigerant .........................................................................................................8

5 Guarantee / Responsibility ........................................................................................................... 9

5.1 Detailed guarantee .............................................................................................9

5.2 Appliance use / manufacturer responsibility .........................................................9

TECHNICAL DATA

6 Envirosorb ................................................................................................................................. 10

INSTALLATION

7 Appliance location ..................................................................................................................... 12

7.1 Heat pump location ...........................................................................................12

7.2 Clearances .......................................................................................................13

7.3 Command unit location......................................................................................13

8 Installing the command unit ........................................................................................................ 14

9 Installing the heat pump ............................................................................................................ 14

9.1 Scope of delivery ..............................................................................................14

9.2 Recommendations before installation ................................................................15

9.3 Dimensions ......................................................................................................15

9.4 Mounting ........................................................................................................16

9.5 Positioning the appliance ..................................................................................17

10 Examples of installation ............................................................................................................. 18

10.1 Installation with hydraulic module, control by control unit ...................................18

10.2 Installation with hydraulic module, DHW tank, control by control unit ...................20

11 Hydraulic connection .................................................................................................................. 22

12 Discharge of condensate ............................................................................................................ 22

TABLE OF CONTENTS

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13 Electrical connection .................................................................................................................. 22

13.1 Access to main board ........................................................................................23

13.2 Cable passage .................................................................................................23

13.3 Electrical wiring ................................................................................................23

13.4 Wiring diagram .................................................................................................24

14 Commissioning .......................................................................................................................... 28

14.1 Filling the glycol circuit ......................................................................................28

14.2 Activating the heat pump ...................................................................................28

14.3 Activating the options .......................................................................................28

14.4 Heating system test ..........................................................................................28

15 Speciﬁ c adjustment ................................................................................................................... 28

15.1 Adjusting the heating circuit ..............................................................................28

15.2 Settings for the command unit ...........................................................................29

16 User information ........................................................................................................................ 34

MAINTENANCE

17 Trouble-shooting ........................................................................................................................ 35

17.1 Fault diagnosis .................................................................................................35

17.2 Fault codes .......................................................................................................35

18 Servicing ................................................................................................................................... 36

19 Replacement of Parts .................................................................................................................. 36

20 Spare parts ................................................................................................................................ 36

TABLE OF CONTENTS

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INTRODUCTION

1 Instructions guidance

1.1 Product documentation

The instructions are an integral part of the appliance and must be handed to the user on completion of the installation in order to comply with the current regulation.

• Carefully read the manual, to understand all the information to enable safe installation, use and servicing. No liability can be accepted in the event of damage for not complying with the guidance in this instruction manual.

These instructions consist of, Installation, Servicing, Fault Finding and Replacement of Parts. The instructions are an integral part of the appliance and must be handed to the user on completion of the installation.

1.2 Associated documents

- 1 Instructions for user

- Instructions for other system components

1.3 Explanation of symbols

DANGER: Risk of injuries.

DANGER: Risk of electric shock.

ATTENTION: Risk of damage to the appliance or to its surroundings.

IMPORTANT: Important information.

1.4 Guarantee registration

Thank you for installing a new Glow-worm appliance in your home. Glow-worm appliances are manufactured to the very highest standard so we are pleased to oﬀ er our customers a Comprehensive Guarantee.

This product is guaranteed for 24 months from the date of installation or 30 months from the date of manufacture, whichever is the shorter, for parts and labour.

The second year of guarantee, from the beginning of the 13th month onwards after installation or manufacture, is conditional upon the heat pump having been serviced by a competent person approved at the time by the Health and Safety Executive, in accordance with the manufacturer’s recommendations. We strongly recommend regular servicing of your appliance, but where the condition is not met, any chargeable spare parts or components issued within the applicable guarantee period still beneﬁ t from a 12 month warranty from the date of issue by the manufacturer.

We recommend you complete and return as soon as possible your guarantee registration card (delivered with the hydraulic module). If your guarantee registration card is missing you can obtain a copy or record your registration by telephoning the Glow-worm Customer Service number 01773 828100.

2 Appliance description

2.1 Safety devices

- This appliance is designed for use in heating with an external temperature of between -20°C and 30°C. Outside this range, the heat pump stops.

- A set of security devices based on measuring the temperature within the circuits and the current in the compressor protects it against excess pressure in the refrigerating ﬂ uid.

- A ﬂ ow detector protects the appliance as a whole.

- To prevent stagnation of the refrigerant ﬂ uid when the compressor is stopped, a safety device is activated when the outside temperature lowers. The compressor is then heated by a low electrical current through the motor windings,

- A temperature sensor on exit from the compressor limits the functioning of the heat pump when the temperature measured by this sensor is greater than 100°C. From 117°C, the heat pump stops.

- A temperature sensor on the ﬁ nned heat exchanger and a tachometer on the fan checks that the fan is working.

- A water ﬂ ow sensor ensures the security of the water circulation. If the ﬂ ow is too low (< 420 l/h), the appliance stops and re-starts when the ﬂ ow comes within the normal functioning range (>500l/h).

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2.2 Data label

The data label certiﬁ es the country where the appliance is intended to be installed.

Data label location:

Key 1 Data label

2.3 Regulation and statutory requirements

2.3.1 CE Mark

The CE mark indicates that the appliances described in this manual are in compliance with the following directives:

- European directive n°2004-108 from the European Parliament and Council relative to electromagnetic compatibility

- European directive n°2006-95 from the European Parliament and Council relative to low voltage

- European directive No. 97-23 of the European Parliament and the Council regarding pressure equipment

- European directive No. 2007-1494 of the Commission, dated December 17, 2007, determining, in accordance with Directive No. 2006-842 of the European Parliament and the Council, the label type and the additional requirements as regards the labelling of products and equipment containing certain ﬂ uorinated greenhouse eﬀ ect gas.

- European directive No. 2006-842 of the European Parliament and the Council of May 17, 2006 on certain ﬂ uorinated greenhouse gasses (OJEU of June 14, 2006)

2.3.2 Local regulations

Benchmark places responsibilities on both manufacturers and installers. The purpose is to ensure that customers are provided with the correct equipment for their needs, that it is installed, commissioned and serviced in accordance with the manufacturer’s instructions by a competent person approved at the time by the Health and Safety Executive and that it meets the requirements of the appropriate Building Regulations. The Benchmark Checklist can be used to demonstrate compliance with Building Regulations and should be provided to the customer for future reference.

Installers are required to carry out installation, commissioning and servicing work in accordance with the Benchmark Code of Practice which is available from the Heating and Hotwater Industry Council who manage and promote the Scheme.

• Visit www.centralheating.co.uk for more information.

2.4 Concept of operation

A heat pump (HP) is a thermodynamic machine which transfers heat from one location to another. To do so, it employs the characteristics of a refrigerant ﬂ uid.

The system is composed of the following circuits:

- The refrigeration circuit which transfers heat to the water circuit following the evaporation, compression, condensation and expansion of the ﬂ uid.

- The heating circuit.

2.4.1 In heating mode

3 4

Key 1 Finned heat exchanger 2 Reverse cycle valve 3 Ventilating fan 4 Compressor 5 Pressure regulator 6 Exchanger with plates

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2.4.2 In defrosting and cooling mode

3 4

Key 1 Finned heat exchanger 2 Reverse cycle valve 3 Ventilating fan 4 Compressor 5 Pressure regulator 6 Exchanger with plates

2.4.3 Min. and Max. temperature settings in heating

-20 -10 0 10 20 30

Key A Water temperature B Air temperature

2.4.4 Min. and Max. temperature settings in cooling

01020304050

Key A Water temperature B Air temperature

2.4.5 Principle for controlling the heat pump

Control using the Glow Worm control unit. This conﬁ guration is recommended in the case of an installation with the Glow Worm hydraulic unit. The Glow Worm system of active management of the heat pump using dry 12V contacts. The command unit is used only as a conﬁ guration tool.

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2.5 Hydraulic and refrigerant schematic

Key 1 Fan (1 fan for the 7 kW model, 2 fans for the 12 and 14 kW models) 2 Outside air temperature sensor 3 Finned heat exchanger 4 Finned heat exchanger temperature sensor 5 4-way cycle inversion gate 6 Temperature sensor for compressor suction 7 Silencer 8 Expansion vessel (in this position for the 7 kW model) 9 Automatic purge vent for the heat pump circuit 10 Water ﬂ ow detector for the heat pump circuit 11 Circulator for the heat pump circuit 12 Safety valve for the heat pump circuit 13 Expansion vessel (in this position for the 12 and 14 kW models) 14 Flow temperature sensor for the heat pump

15 Return temperature sensor for the heat pump 16 Draining valve for the heat pump circuit 17 Plate to plate exchanger 18 Pre-expansion temperature sensor 19 Anti-slugging bottle 20 Rotary compressor 21 Liquid tank 22 Silencer 23 Compressor discharge temperature sensor 24 Electronic expansion unit

A Heat pump return B Heat pump ﬂ ow C Evacuation from the safety valve to a container for recovering glycol

water

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3 Safety instructions and regulations

3.1 Safety instructions

Incorrect installation can cause electric shock or appliance damage.

• Never disable security devices and do not try to adjust them.

• Be sure to consider the following handling techniques and

precautions:

• Grip the appliance at its base

• Use safety clothing where appropriate, e.g. gloves, safety

footwear.

• Ensure safe lifting techniques are used:

• Keep back straight.

• Avoid twisting at the waist.

• Avoid upper body/top heavy bending.

• Always grip using the palm of the hand.

• Use designated hand holds.

• Keep load as close to body as possible.

• Always use assistance if required.

• Under no circumstances must the user interfere with or adjust

sealed parts.

• When assembling the connections, correctly position the seals to avoid any leakage of water.

• This appliance contains metal parts (components) and care should be taken when handling and cleaning, with particular regard to edges.

The basic safety instructions must be followed before attempting to maintain or replace spare parts:

• Stop the appliance.

• Electrically isolate the appliance from the power supply.

• Hydraulically isolate the appliance using the isolation valves if

provided.

• Should you need to replace hydraulic components, drain the appliance.

• Protect all the electrical components from water while working on the appliance.

• Use only original spare parts.

• Use only new O-rings and gaskets.

• After having completed work on water carrying components,

check for their tightness.

• When work on the appliance is completed, perform an operational test and check for safety.

R410A Refrigerant

Important: any action carried out on the refrigerant circuit must be performed by qualiﬁ ed personnel.

- Use only R410A refrigerant.

• The tools used for charging, for measuring pressure, for

creating a vacuum and for the recovery of the ﬂ uid must be compatible with and employed solely for R410A.

• Welding is to be carried out with nitrogen and the circuit’s airtightness is to be tested under pressure, with nitrogen.

• Reﬁ lling must be eﬀ ected during the liquid phase.

• In case of leakage, do not add ﬂ uid: drain the remaining

ﬂ uid from the circuit and eliminate, in accordance with the applicable regulations.

Evacuating refrigerant into the atmosphere is prohibited. The refrigerant must be properly recovered in a container suitable for recycling.

• Create a vacuum in the circuit with a maximum pressure of 30 mbar (static pressure).

• Bleed the circuit before any welding work.

Do not smoke or light ﬂ ames during the emptying and ﬁ lling of the circuit. The gases emitted during the combustion of the refrigerant are ﬂ ammable.

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3.2 Regulations

3.2.1 Statutory requirements

IMPORTANT

Where no British Standards exists, materials and equipment should be ﬁ t for their purpose and of suitable quality and workmanship.

The installation of this appliance must be carried out by a competent person in accordance the rules in force in the countries of destination.

Manufacturer’s instructions must not be taken as overriding statutory requirements.

Standards

On installing and commissioning the appliance you must adhere to the technical rules, standards and provisions in eﬀ ect at the time.

Reminder of existing regulatory acts

- EC regulation No. 20372000 from the 29th of June 2000 This European regulation repeals regulation No. 3093/94 and presents the elimination schedules of CFC and HCFC. It also deals with the collection of refrigerants, system leaks, particularly systems containing more than 3 kg of CFC or HCFC, as well as the minimum level of qualiﬁ cation required by the technicians.

- EC regulation No. 0842/2006 from the 17th of May 2006 regarding the containment, use, collection and disposal of the ﬂ uorinated greenhouse gases, the labelling and elimination of the products and equipment containing these gases, the restriction of use and banning of certain products from the market, as well as the training and certiﬁ cation of personnel and companies operating in the activities targeted by this regulation: refrigeration, air-conditioning, heat pumps and ﬁ re protection systems containing greenhouse gases.

3.2.2 Other regulations

Control of Substances Hazardous to Health

Under Section 6 of The Health and Safety at Work Act 1974, we are required to provide information on substances hazardous to health. The adhesives and sealants used in this appliance are cured and give no known hazard in this state.

The refrigerant used in this appliance is R410a the use of which is strictly controlled by F Gas regulation EN842/2006.

4 Recycling

The recycling of the packaging must be carried out by the qualiﬁ ed professional who installed the appliance. The recycling of any refrigerant ﬂ uid must be carried out by a suitably qualiﬁ ed refrigerant engineer.

4.1 Appliance

Most of the appliance is made of recyclable materials.

This symbol indicates that this appliance must not be disposed of with household waste, that it should be selectively collected for energy recovery, reuse or recycling.

• Take the appliance to an appropriate collection point for the treatment, evaluation and recycling. The collection point must accept appliances containing refrigerant ﬂ uids for their recovery via recycling either within the elimination centre or by an authorised service provider.

By complying with this directive, you will contribute to the preservation of natural resources and the protection of human health.

4.2 Packaging

The competent person who installed the appliance must:

• Sort the waste so as to separate those which can be recycled (cardboard, plastics...) from those that cannot.

• Dispose of the waste in compliance with regulations in force.

4.3 Refrigerant

The appliance contains R410A refrigerant. The refrigerant should only be handled by an approved specialist. Avoid all contact with skin and eyes.

R410A ﬂ uorinated greenhouse gases are contained within a fully sealed system (Kyoto Protocol PES 1975).

Under normal use and conditions, the refrigerant is not dangerous.

Degassing refrigerant ﬂ uid into the atmosphere is prohibited, except when necessary to ensure personal safety.

Prior to disposing of the appliance, the refrigerant must be properly recovered in a container suitable for recycling.

The personnel approved for this recuperation must have an appropriate certiﬁ cation according to the regulations in force.

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5 Guarantee / Responsibility

5.1 Detailed guarantee

Thank you for installing a new Glow-worm appliance in your home.

Glow-worm appliances are manufactured to the very highest standard so we are pleased to oﬀ er our customers a Comprehensive Guarantee.

This product is guaranteed for 24 months from the date of installation or 30 months from the date of manufacture, whichever is the shorter, for parts and labour.

The second year of the parts guarantee, from the beginning of the 13th month onwards after installation or manufacture, is conditional upon the heat pump having been serviced by a competent person approved at the time by the Health and Safety Executive, in accordance with the manufacturer’s recommendations. We strongly recommend regular servicing of your appliance, but where the condition is not met, any chargeable spare parts or components issued within the applicable guarantee period still beneﬁ t from a 12 month warranty from the date of issue by the manufacturer.

5.2 Appliance use / manufacturer responsibility

The guarantee detailed above is applicable on the condition that:

- The appliance is installed by a competent person in accordance with installation instructions.

- The appliance is used for normal domestic purposes and in accordance with the manufacturer’s operating and maintenance instructions.

- The appliance is serviced, maintained, by a competent person.

- The repair or replacement of parts during the guarantee period does not have the eﬀ ect of extending the period.

The manufacturer has no responsibility whatsoever for any damage resulting from:

- Any defects or damage resulting from incorrect or poor installation, inadequate servicing, or maladjustment.

- Any defects in the system to which the appliance is connected.

- Tout défaut résultant d’une protection antigel non adaptée.

- Any deterioration or maladjustment following changes in the nature or pressure of the water used, or a change in the characteristics of the electrical supply voltage.

• For further details, refer to your Terms and Conditions.

This appliance is intended to be installed only within the designated countries displayed on the type plate.

This appliance is not designed to be used by persons (including children) with physical, sensory or mental restrictions, or a lack of experience or knowledge. To ensure the safety of these persons, they must seek help from and be guided by persons who are competent to explain the usage of this appliance.

• Make sure that children do not play with this appliance.

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TECHNICAL DATA

This technical data is valid for a new appliance with its own heat exchangers.

6 Envirosorb

Description Unit 7 12 14

Min. operating outside temperature (in heating) °C -20 -20 -20

Max. operating outside temperature (in heating) °C 30 30 30

Speciﬁ cations, with radiators

(ﬂ ow : 45°C, return : 40°C, outside dry temperature (wet) 7 (6)°C)

Heating output kW 7.4 12.95 14

Power input kW 2.34 4.3 4.36

Rated electrical current A 10 18.7 19

COP* A7(6) W45-40 3.16 3.01 3.21

Speciﬁ cations, with underﬂ oor heating

(ﬂ ow : 35°C, return : 30°C, outside dry temperature (wet) : 7 (6)°C)

Heating output kW 7.2 11.9 14.5

Power input kW 1.84 3.04 3.57

Rated electrical current A 8 13.2 15.6

COP* A7(6) W35-30 3.91 3.91 4.06

Refrigerant circuit

Type of refrigerant

Quantity of refrigerant kg 1.81 2.485 3.385

Type of compressor Rotary

Type of oil Polyolester

Type of regulator Electronic

Fan speed rpm 1000 805 1050

Maximum operating pressure (PS)

bar454545

Pa 45 x 10

45 x 10

Heat pump circuit

Max. supply pressure.

bar333

Pa 3 x 10

3 x 10

Min. supply pressure

bar 0.5 0.5 0.5

Pa 50 x 10

50 x 10

Nominal water ﬂ ow rate in heating mode l/h 1200 2100 2500

Flow rate detection threshold l/h 500 500 500

Min. volume of the installation l 28 42 49

Max volume of heat pump circuit, without auxiliary tank, for a water outlet temperature of 35°C

l659595

Minimum ﬂ ow temperature setting (in heating) °C 20 20 20

Maximum ﬂ ow temperature setting (in heating) °C 60 60 60

Volume of water in the heat pump l 1.2 2.3 2.3

TECHNICAL DATA

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Description Unit 7 12 14

Electrical

Supply voltage/frequency V/Hz 1/N/PE 230V 50Hz

Fuse 15 type B 25 type D 25 type D

Maximum absorbed power (P max) kW 2.7 5.1 5.1

Maximum absorbed current (I max) A 14 23 20

Index of electrical protection IPX4 IPX4 IPX4

Electrical classiﬁ cation 111

Description Unit 7 12 14

Dimensions

Height mm 821 1363 1363

Width mm 908 908 908

Depth mm 326 326 326

Ø Water circuit connections " 1 1 1

Nett total weight kg 71 105 130

Sound power level : overall exterior noise (according to EN 12102 and EN ISO 9614-1)

dBA 64 67 68

* Coeﬃ cient Of Performance (according to EN 14511) ** Energy Eﬃ ciency Ratio (according to EN 14511)

Fluorinated greenhouse gases as identiﬁ ed in the Kyoto protocol, are contained within a fully sealed system.

TECHNICAL DATA

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• Do not place near to stale air extraction fans.

• Allow room for electricity cables (high and low voltage).

• Explain these requirements to the appliance user.

7.1.2 Discharge of condensates

>100mm

• Make allowance for a condensate discharge circuit.

7.1.3 Regulations

• Please ensure that all correct permissions have been obtained from the local planning oﬃ ce, prior to siting the appliance.

INSTALLATION

All the drawings dimensions are shown in mm.

7 Appliance location

7.1 Heat pump location

7.1.1 Instructions

• Before choosing a site for the appliance, carefully read the safety warnings and installation manual.

• Ensure there is suﬃ cient space available for the appliance, taking care that minimum clearances are adhered to ensure that the connections to the water, gas and ﬂ ue can be accessed and inspected (see chapter Clearances).

• Observe current regulations.

• Install the appliance outside.

• Do not install the appliance:

- near a heat source,

- near ﬂ ammable materials,

- near the ventilation points of adjacent buildings

- beneath deciduous trees.

• Take into account the following when installing the heat pump:

- prevailing winds,

- the noise generated by the fan and the compressor

- the visual impact on the surrounding neighbourhood.

• Avoid areas exposed to strong winds directed against the appliance’s air outlet.

• Set the appliance on one of the following supports:

- concrete slabs,

- crane beam,

- concrete blocks.

• Do not install the fan facing the nearby windows. If necessary, install a noise barrier.

• To avoid transmission of vibrations to the surrounding buildings:

- use hoses for water connections,

- install anti-vibration pads.

• Ensure that the appliance is protected from water and from snow.

• Do not expose the heat pump to corrosive or dusty atmospheres (near to dirt roads, for example).

INSTALLATION

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7.2 Clearances

- Respect the minimum dimensions shown in the drawing above in order to ensure a correct air ﬂ ow and to facilitate maintenance operations.

- Make sure that the available space is suﬃ cient for the installation of the water system piping.

7.3 Command unit location

• Install the command unit in a room protected from frost

INSTALLATION

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8 Installing the command unit

• Make sure that the materials used for performing the installation are compatible with those of the appliance.

• Determine the place of assembly. See the chapter "Location".

Key 1 Mounting screw 2 Wall support 3 Rawlplug 4 Electric terminal block

• Separate the command unit from the wall support (3).

• Pass the electrical connection cables through the hole on the

left of the connector and connect them onto terminal (4). See the chapter "Installation examples".

• Position the support (3) on a wall.

• Drill holes for the ﬁ xing screws in accordance with the 2 ﬁ xing

holes on the wall support (3).

• Insert the rawlplugs (2) in the holes.

• Fix the support (3) with the ﬁ xing screws (supplied).

Key 1 Command unit 2 Wall support

• Assemble the command unit (1) on the wall support (2).

9 Installing the heat pump

9.1 Scope of delivery

2.1

2.2

2.4

2.3

2.2

2.4

2.3

3.1

3.2

Key 1 Heat pump (x1)

2 Packet of accessories (x1)

2.1 Condensate connection (x1)

2.2 Leak-tight seal for passing mains and low-voltage cables

(x2)

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2.3 Protection against the sharp edges of the sheet metal for the cable passage (if necessary)

(x1)

2.4 Leak-tight seal for the cable passage (if necessary) (x1)

3 Packet of documents (x1)

3.1 Installation manual (x1)

3.2 Instructions for use (x1)

4 Command unit (x1)

• Check the contents of the package.

9.2 Recommendations before installation

9.2.1 Design of the heating circuit

The heat emitters may be either low temperature (underﬂ oor heating, etc.), or medium temperature (warm radiator, etc.).

We recommend that you provide suﬃ cient ﬂ ow for the temperature diﬀ erence between ﬂ ow and return to be equal to 7 C for a underﬂ oor heating and 15 C for radiators.

The route of the piping will be designed to take all measures necessary to avoid air pockets and facilitate the permanent venting of the installation. Vents must be provided at each high point of the pipes, and on all the radiators.

Always leave a radiator open.

We recommend installing a drainage valve at the lowest point of the installation.

In the case of the use of thermostatic valves, it is imperative not to ﬁ t to all radiators, taking care to ﬁ t these valves in rooms with high input and never in rooms where the room thermostats are installed.

- If it is an old installation, it is essential to rinse the radiator circuit before installing the new appliance and to add an antisludge ﬁ lter.

- If a component of the system is not to be installed immediately, protect the various connections so plaster and paint cannot compromise the seal on the subsequent connection.

• Install the following components on the heating circuit return:

- a heating ﬁ lter,

- 2 quarter-turn shut-oﬀ valves (1 each side of the ﬁ lter),

- an air separator (if necessary),

- an anti-sludge ﬁ lter (if necessary).

• In the case of a underﬂ oor heating, install a security device to prevent overheating, with manual reset (55°C) on the heating circuit ﬂ ow. Connect the overheating security device to the glycol pump of the heat pump.

9.2.2 Design of the heat pump circuit

Installation pipework must be designed and installed to ensure venting of air from the system is possible.

Ensure that the water ﬂ ow rate of the water circuit corresponds to the nominal water ﬂ ow rate of the appliance (see ¨Technical data¨ chapter).

• Install the following components on the rear section of the heat pump:

- a ﬁ lter,

- a ¼ shut –oﬀ valve on each side of the ﬁ lter,

- a drain valve,

- an air separator (if necessary)

- a sludge deposit (if necessary).

• Install a ¼ turn shutoﬀ valve in the ﬂ ow of the heat pump.

In order to avoid the transmission of vibrations to surrounding structures, use ﬂ exible hoses for the hydraulic connections at least 1 metre from the heat pump.

Insulate the pipes with a UV- and hightemperatureresistant insulation.

9.3 Dimensions

9.3.1 Envirosorb 7

150

600

908

326

821

INSTALLATION

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9.3.2 Envirosorb 12, Envirosorb 14

150

600

908

326

1363

9.3.3 Command unit

132

9.4 Mounting

9.4.1 Unpacking the appliance

• Carefully remove the packaging and protections without damaging the parts of the appliance.

Key 1 Transport pallet 2 Attachment screws 3 Heat pump

• Remove the screws from the transport pallet at the front and rear of the unit.

INSTALLATION

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9.4.2 Transportation of the appliance

With regards to the Manual Handling Operations, 1992 Regulations, the following lift operation exceeds the recommended weight for a one man lift.

Warning! Two people at minimum are necessary to move the appliance.

Warning! Do not lean the appliance more than 45° during transportation as this may damage the refrigeration circuit which could lead to a complete system failure.

We recommend that you move the appliance with a trolley or with suitable handling equipment.

If you move the appliance with a two-wheeled trolley, respect the following regulations:

• Only lift the appliance from the back.

• Attach the appliance to the two-wheeled trolley with a strap.

• Protect surfaces in contact with the trolley to avoid scratching

or damaging the appliance.

• Use a suﬃ ciently solid ramp to lower the appliance from the pallet.

• Move the appliance to the installation site.

9.5 Positioning the appliance

With regards to the Manual Handling Operations, 1992 Regulations, the following lift operation exceeds the recommended weight for a one man lift.

Key 1 Concrete block 2 Mounting screw

• Fix the heat pump onto the concrete blocks (1) using the ﬁ xing screws.

INSTALLATION

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10 Examples of installation

10.1 Installation with hydraulic module, control by control unit

230V

INSTALLATION

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Key 1 Heat pump 2 Power supply and electrical protection for the heat pump (*) 3 Command unit for the heat pump 4 Glow Worm control unit (*) 5 Glow Worm hydraulic module (*) 6 Anti-sludge ﬁ lter (*) A Flow heat pump circuit B Return heat pump circuit E Return heating circuit F Flow heating circuit H Discharge from the safety valve to a container for recovering glycol

water solution

(*) Not delivered with the appliance

Adjusting the heat pump's command unit

• To ﬁ nd out the description of each function, see the chapter "Speciﬁ c adjustment".

The setting of codes 112, 114, 117, 122, 123, 124, 125, 126 must be identical on the heat pump command unit and the systempro control unit.

Menu Name of the function Value Factory setting

100 Type of system regulation 22 101 Conﬁ guration of the command unit 00 112 External calibrated adjustment graphs 7 - 12 (*) 8 114 ECO heating mode 1 - 20°C (*) 5°C 117 External calibrated adjustment graphs for cooling 0 (*) 2

122 Maximum reference exterior temperature 24 - 46°C (*) 40°C 123 Exterior temperature from which the heat pump stops in cooling mode 0 - 30°C (*) 22°C 124 Minimum temperature of water in the installation in cooling mode 4 - 20°C (*) 4°C 125 Maximum temperature of water in the installation in cooling mode 4 - 20°C (*) 12°C 126 Conﬁ gurations exterior sensor 22

146 Conﬁ guration for stopping the heat pump if control by S1 contact input 1 2 147 Conﬁ guration of the output between terminal channels 5 and N 1 1

148 Limit exterior temperature (T0) -20°C -20°C

155 Functioning of main circulator 01

(*) Refer to the system installation manual for pairing the settings of these codes.

Application conditions

- Command unit used as conﬁ guration tool (see the chapter "Location of the appliance"),

- Installation with underﬂ oor heating (< 53°C) or low- temperature radiator (<60°C),

For the dimensioning of the cables and the electrical protection on the appliances, see the chapter "Electrical connection".

Envirosorb

71214 Minimum volume of the installation (l) 28 42 49 Max volume of heat pump circuit, without additional vessel, for a water outlet temperature of 35°C (l)

65 95 95

Volume of water in the heat pump

1.2 2.3 2.3

Nominal water ﬂ ow rate (m³/h) 1.2 2.1 2.5

INSTALLATION

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10.2 Installation with hydraulic module, DHW tank, control by control unit

230V

2 3

6.1

6.2

230V

6.1

R6.1

INSTALLATION

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Key 1 Heat pump 2 Power supply and electrical protection for the heat pump (*) 3 Power supply and electrical protection for the booster heating (*) 4 Glow Worm control unit (*) 5 Command unit for the heat pump 6 Domestic hot water tank (option) (*)

6.1 Electrical booster element

6.2 Temperature sensor for hot water tank 7 Glow Worm hydraulic module (*) 8 3-way valve (with return spring) for the domestic hot water tank (*) 9 Anti-sludge ﬁ lter (*) R6.1 Additional electrical heater relay A Flow heat pump circuit B Return heat pump circuit E Return heating circuit F Flow heating circuit H Discharge from the safety valve to a container for recovering glycol

water solution

(*) Not delivered with the appliance

If the "Domestic hot water tank" option is chosen, it must be connected electrically to the systempro control unit (see the installation manual for the system).

Adjusting the heat pump's command unit

• To ﬁ nd out the description of each function, see the chapter "Speciﬁ c adjustment".

The setting of codes 112, 117, 122, 123, 124, 125, 126 must be identical on the heat pump command unit and the systempro control unit.

Menu Name of the function Value Factory setting

100 Type of system regulation 22 101 Conﬁ guration of the command unit 00 112 External calibrated adjustment graphs 7 - 12 (*) 8 117 External calibrated adjustment graphs for cooling 0 (*) 2

146 Conﬁ guration for stopping the heat pump if control by S1 contact input 1 2 147 Conﬁ guration of the output between terminal channels 5 and N 1 1

148 Limit exterior temperature (T0) -20°C -20°C

153 Mode of activation hot-water demand contact S5 1 1 155 Functioning of main circulator 01

(*) Refer to the system installation manual for pairing the settings of these codes.

Application conditions

- Command unit used as conﬁ guration tool (see the chapter "Location of the appliance"),

- Installation with underﬂ oor heating (< 53°C) or low- temperature radiator (<60°C),

- Control unit for the system not included.

For the dimensioning of the cables and the electrical protection on the appliances, see the chapter "Electrical connection".

Envirosorb

71214 Minimum volume of the installation (l) 28 42 49 Max volume of heat pump circuit, without additional vessel, for a water outlet temperature of 35°C (l)

65 95 95

Volume of water in the heat pump

1.2 2.3 2.3

Nominal water ﬂ ow rate (m³/h) 1.2 2.1 2.5

INSTALLATION

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11 Hydraulic connection

• Take care to clean the pipes before assembly removing any debris or burrs. Grease and oils may need to be removed they are not possible to remove by cleansing and ﬂ ushing. Foreign bodies in the system may enter the appliance and interrupt its operation.

• Do not use any solvent products, due to the risk of damaging the circuit.

• Only use original seals supplied with the appliance.

Make sure that mechanical connections are not overtightened.

Insulate the pipes (between the heat pump and the installation including those underground) with an UVand high-temperature-resistant insulation.

1m min.

key 1 Heat pump ﬂ ow circuit ¼ turn shut-oﬀ valve in the direction of the

building (not included) (*)

2 Return circuit ¼ turn shut-oﬀ valve in the direction of the heat pump

(not included) (*) 3 Return circuit hose in the direction of the heat pump (not supplied) 4 Cap 5 Return connection (Ø1 ") to the heat pump 6 Flow heat pump connection (Ø1 ") to the building 7 Flow heat pump circuit hose in the direction of the building (not

supplied)) 8 Insulation (not supplied) (*) To be installed as close as possible to the heat pump

• Remove the protection caps (4) located on the connections.

• Comply with the values given in the table below when making

the hydraulic connections of the heat pump circuit.

Max linear distance (without elbows or

additional pressure drops)

Tubes to be installed

≤ 20 m ¾" or Ø internal = 20 mm

≤ 30 m 1" or Ø internal = 26 mm

• Connect a hose and a shut-oﬀ valve to the return connection to

the heat pump.

• Connect a hose and a shut-oﬀ valve to the ﬂ ow heat pump

connection in the direction of the building.

• Install the ﬁ lter on the heat pump return pipe. Install it between 2 shut-oﬀ valves in order to be able to remove if from the circuit and clean it periodically.

• Insulate all exposed pipework.

12 Discharge of condensate

When the appliance is operational, it will produce condensation that needs to be drained oﬀ .

600150 150

430

400

363

Key 1 Evacuation bend for condensates 2 Holes pre-cut in the base of the heat pump

• Install the bend (1) delivered with the appliance and connect it to an evacuation pipe with an internal diameter of 16 mm (not supplied).

• Make sure that the condensates evacuation pipe does not freeze.

The discharge capacity of the condensate increases if the pre-cut holes (2) present in the base are open. Open the pre-cut holes using a hammer.

If you choose to open the pre-cut holes (2) present in the base, take the necessary precautions to recover the condensates and stop them freezing.

13 Electrical connection

Incorrect installation can cause electric shock or appliance damage. The electrical connection of the appliance must be made only by a qualiﬁ ed engineer.

The appliance must be connected directly to an accessible, ﬁ xed, switched, electrical outlet.

The manufacturer declines any responsibility for damages to persons or others caused by the incorrect installation of the appliance earthing. This includes failure to comply with current standards.

Electrical components have been tested to meet the equivalent requirements of BSEN 7671 and the BEAB regulations.

The cables connecting the installation's electrical panel and the heat pump must be:

- Suitable for a ﬁ xed installation.

INSTALLATION

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- weather resistant.

- equipped with wires adapted to appliance’s power rating.

• Connect the heat pump to an electrical panel via an independent protection system (diﬀ erential breaker with at least 3 mm between each contact). See the table below.

Additional protection may be required during installation to ensure buﬀ er category II.

The power supply cut-oﬀ devices must allow complete disconnection of the power under the conditions required for over-voltage category III.

Description Unit 7 12 14

Electricity supply

V-ph-

230 - 1 - 50

Acceptable voltage range V 207/254 Maximum power absorbed kW 2.7 5.1 5.1 Maximum current A 14 23 20 Power fuse (gL) A 15 Type B 25 Type D 25 Type D Maximum current in glycol

pump

13.1 Access to main board

Key 1 Terminal blocks for 230 V and 12 V connection 2 Front panel

• Remove the fastening screws (A).

• Slide the front panel (2) downwards (B) and pull it towards

yourself (B) using the handle.

• To close the appliance, carry out the operations in reverse order.

13.2 Cable passage

The low and mains voltage cables must be inserted in diﬀ erent sleeves.

Key 1 Mains-voltage cable passage 2 Low-voltage cable passage

• Insert the electrical power cables in passages (1) and (2) provided for this purpose.

• Make sure that the electrical cables are not in contact with the compressor and the hot pipes.

• Fix the electrical cables with the clamps installed inside the heat pump.

13.4 Electrical wiring

Key Recommended cable section 1 230 V power cable H07RN-F 3 x 2.5 mm² 2 12 V cable 0.75 mm²

230 V cable (outputs 2A maximum)

0.75 mm²

Connection cable for the command unit

4 x 0.75 mm²

INSTALLATION

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ʎPP

ʎPP

ʎPP

ʎPP

• Attach the electrical cables using the cable pass-through located in the electrical box in order to ensure good resistance to pulling (for the 14kW model, use the anti-wrench connector supplied with the appliance).

13.5 Wiring diagram

13.5.1 Command board 7kW, 12kW, 14kW

1FS

1TR

1PS

1LWT 1EWT

1PCB

Key 1PS Circulator 1LWT Flow temperature sensor for heat pump circuit 1TR Temperature sensor for detecting the end of defrost 1EWT Temperature sensor for ﬂ ow of heat pump circuit 1FS Flow detector 1T Transformer 1PCB Command board

INSTALLATION

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13.5.2 Board of power 7kW

RWC

40CF

7CM

123

41CF

8CM

P25

P24

P23

P22

P21

P20

P35

P34

P19

P18

P04

P05

P06

1P.C.BOARD

P11

P08

1MCC1530

42CF

123

43CF

CN805

P33 P32

44CF

9CM

P31 P30

CN701

45CF

123

F7 P03 P10 P02

CN806

CN300

CN700

CN503

CN502

CN501

CN500

46CF

47CF

48CF

49CF

50CF

51CF

Y/G

R12

1TB

N 3 L N PE

230V1~50Hz

/2.10/J4.1

/2.03/J3.1

/2.08/J1.1

1TD

1TS

1FM

6CM

1TE

1TO

1RV

1PMV

Key 1FM Fan motor 1PMV Electronic expansion unit 1TS Temperature sensor for compressor suction 1TO Exterior temperature sensor 1TD Compressor discharge temperature sensor 1TE Temperature sensor for plate to plate exchanger 1RV 4-way cycle inversion gate 1R Filtering coil 1 2R Filtering coil 2 6CM Compressor engine 1F Fuse

INSTALLATION

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13.5.3 Board of power 12kW

Y/G

WRW G

P R B

W C Y

YBB

9bbabb+]

)



C)



C)





CN

CN02

CN03

PCBOAR'

2PCBOAR'

7CM

 23

4C)

 23

P08



CN700



CN02

42C)

 234

43C)

 234



44C)

 234 6



P09

CN3

CN0

CN702

8CM

 23

4C)

 23

P2 P3



46C)

 2

47C)

 2



CN0

CN04

P2

48C)

 23



CN303

P24



49C)

 234

0C)

 234



CN800

CN06

P28 P29

C)

 234



CN302



2C)

 23

3C)

 2



P9

CN04

CN03

P20 P7 P8

CN600



4C)

 23



C)



CN09

CN0

CN

CN30

6C)

 2



CN600

7C)

 234



CN300

8C)

 2



CN60

9C)

 2



CN604

60C)

 2

7+ERMO67A7

)ORbCOMPRE66OR



CN00



6C)

 2



CN60



CN606

 N 3

-4b/b/20

-3b/b/203

-b/b/208

1TD 1TS

1TH

1FM 2FM

1CM

1TE 1TO

1RV

1PVM

Key 1RV 4-way cycle inversion gate 1TH Temperature sensor for the ﬁ nned heat exchanger 1TD Compressor discharge temperature sensor 1TS Temperature sensor for compressor suction 1TE Temperature sensor for plate to plate exchanger 1TO Exterior temperature sensor 1CM Compressor 1FM Fan 1 2FM Fan 2 1PVM Electronic expansion unit

INSTALLATION

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13.5.4 Board of power 14kW

1TB

230V1~50Hz

2TB

1 2 3

J4.1//2.10

J3.1//2.03

J1.1//2.08

U V W



63CF

64CF

CN400

(WHITE)

CN300

(WHITE)

CN609

(BLUE)

CN610

(YELLOW)

CN604

(WHITE)

CN603

(WHITE)

CN602

(YELLOW)

CN601

(WHITE)

CN600

(WHITE)

CN710

(WHITE)

SW802

SW804

SW803

ONONON

432143214321

SW801

CN704

(BLUE)

SW800

RY704

P04

CN701

(WHITE)

P05

CONTROLP.C.BOARD

MCC1571

P06

CN04

(WHITE)

P07

CN200

F03

T10A,250V~

F01

T25A,250V~

CN201

P01

L/F

P02

CN202

P09

10CM

11CM



49C

L N

65CF

66CF

67CF

68CF

69CF

70CF

71CF

72CF

123456

73CF

1234

74CF

123456

75CF

1TD

1TS

1TL

1R 2R

2FM

1FM

1CM

1TE

1TO

1RV

1PVM

Key 1RV 4-way cycle inversion gate 1TL Temperature sensor for the ﬁ nned heat exchanger 1TD Compressor discharge temperature sensor 1TS Temperature sensor for compressor suction 1TE Temperature sensor for plate to plate exchanger 1TO Exterior temperature sensor 1CM Compressor 1FM Fan 1 2FM Fan 2 1R Filtering coil 1 2R Filtering coil 2 1PVM Electronic expansion unit

INSTALLATION

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14 Commissioning

At the time of commissioning, complete all relevant sections of the Benchmark Checklist located on the inside back pages of this document.

• Check that the diﬀ erential breaker is installed.

• Check that the hydraulic and electrical connections are correct.

• Check that the ﬁ lter on the heat pump return is installed.

• Check the airtightness of the connections.

• Open all the hydraulic circuits’ valves.

14.1 Filling the glycol circuit

Warning! Do not dispose of glycol into drains and the environment.

We recommend that you use propylene glycol enriched with corrosive inhibitors.

• Mix 1 part propylene glycol with 2 parts water. This 30% mixture ensures antifreeze protection down to an exterior temperature of -15 °C.

• Use an antifreeze test kit to ensure accurate dosing.

• Make sure that the hydraulic circuit is purged.

• In order to drain the glycol circuit after ﬁ lling, use a ﬁ ll pump.

• Put the heat pump circuit under pressure between 1.5 and 2 bars.

The level of glycol may decrease during the ﬁ rst month following the commissioning of the installation. It may also vary in accordance with the outdoor temperature.

Any residue of glycol solution should be kept in an appropriate container to be re-used for the next ﬁ lling.

• Ensure any leftover glycol solution is left with the end user and retained in a safe place.

14.2 Activating the heat pump

Make sure that all the electrical connections have been made.

Make sure that the setting for the maximum temperature at heating ﬂ ow is compatible with the installation.

• Position the circuit breaker located on the electrical circuit box and connected to the heat pump to the ON position.

The main screen for the command unit is displayed.

• See the chapter "Example installation" to enter all the settings corresponding to your installation.

14.3 Activating the options

• See the instructions for each option to activate them and enter their settings.

14.4 Heating system test

• Ensure that there is a heating demand to the control unit. In the case of a multi-zone conﬁ guration, perform the test zone by zone and ensure that the appropriate zone gets warmer.

• Ensure that all the heating circuit’s thermostatic valves are open.

• Balance the heat emitters, if necessary.

15 Speciﬁ c adjustment

15.1 Adjusting the heating circuit

The maximum heating output temperature must be adjusted in accordance with the characteristics of your installation.

Ensure that the heating curve setting is compatible with the installation.

Make sure that the functioning mode for the boiler's circulator is not in permanent mode, but synchronised with heating demand (with the room thermostat).

Key 1 Speed I 2 Speed II 3 Speed III 4 Speed selector

• Turn the circulator's speed selector to choose speed I.

• Open all the thermostatic valves on the radiators to the

maximum.

• Adjust the temperature to the maximum on all the room thermostats in your home.

• Put your installation into service by forcing a heating request when the circulator should start.

• Wait 10 to 15 min and measure the diﬀ erence in temperature between ﬂ ow and return of the heat pump (temperatures can be displayed using parameters 137 (return) and 138 (ﬂ ow)). The diﬀ erence should be between 5 and 6°C.

• If the diﬀ erence is greater than 6°C, select a higher pump speed or reduce the circuit pressure drops.

INSTALLATION

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Envirosorb 7 ﬂ ow/pressure curves

720 1440 2160 2880

Key 1 Speed I 2 Speed II 3 Speed III A Available pressure (kPa) B Flow in the circuit (l/h)

Envirosorb 12, Envirosorb 14 ﬂ ow/pressure curves

720 1440 2160 2880

Key 1 Speed I 2 Speed II 3 Speed III A Available pressure (kPa) B Flow in the circuit (l/h)

15.2 Settings for the command unit

15.2.1 Overall view

1 2 3 4 5 6 7

10 9 8

13 12

Key 1 Selection of “standby” mode in the weekly programming 2 Hold the selected temperature or runs the scheduled program 3 Choice of functioning mode

4 Display 5 Scroll up 6 Scroll down 7 Validation 8 Temperature Night 9 Temperature Eco 10 Temperature Comfort 11 Setting day/time/minute 12 Programme: time when time interval begins 13 Programme: choice of time interval 14 Programme: group of days

15.2.2 Appliance conﬁ guration parameters

If the parameters are changed, it is important to leave the control box connected for at least 10 seconds so that the change is properly saved.

• Press simultaneously on the button (

) and (M) for 3

seconds. The parameter number is displayed and its value blinks.

• Press the button (

) to access the parameter "302".

• Press the button (M). The value of the parameter ﬂ ashes.

Description of parameter 302

Setting

Factory

setting

Min Max

0 = Cooling only 1 = Heating + cooling 2 = Heating only

02 2

• Press the buttons ( ) to modify the value.

• Press the button (M) to conﬁ rm the parameter setting.

The other parameters 301, 303, 304, 305 and 306 must not be modiﬁ ed.

• Press the button (OK) to exit the menu and validate the settings.

15.2.3 Parameters set by the installer

This menu lets you enter the settings intended for the ﬁ nal user.

• Press simultaneously on buttons (

) and ( ) for 3 seconds. The parameter number is displayed and its value blinks.

• Press the button (M) to access the parameter. The value of the

parameter ﬂ ashes.

• Press the buttons (

) to modify the value.

• Press the button (M) to conﬁ rm the parameter setting.

• Press the buttons (

) to move to the next parameter.

• Perform the previous operations again for the other parameters.

• Press the button (OK) to exit the menu and validate the settings.

INSTALLATION

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Code Function Description

Setting

Factory

setting

Modiﬁ able parameter

Min Max

Default functioning mode

Choose the default functioning mode for the heat pump: 0 = Stopped 2 = Cooling 3 = Heating

03 0 Yes

2 Protection against frost

Function to protect the installation against frost when the heat pump is stopped. 1 = Deactivated 2 = Activated

12 1 Yes

Temperature triggering protection against frost

Choose the ambient temperature of the dwelling from which the installation's protection against frost is activated.

6°C 12°C 6°C Yes

Correction of the ambient temperature

This parameter lets you correct the heat pump's temperature setting by increasing or reducing the temperature of the water in the installation to improve the adjustment of the ambient temperature of the room.

-5°C +5°C 0°C Yes

5 Silent mode

This mode lets you reduce the noise emitted by the heat pump (at night, for example), by reducing the frequency at which the compressor functions. 1 = Deactivated 2 = Activated

12 1 Yes

Compressor frequency reduction

This parameter deﬁ nes the percentage reduction of the compressor frequency. 50% 100% 75% Yes

Temperature of the dwelling

This parameter displays the current temperature level: 1 = Temperature Comfort 2 = Temperature Night 3 = Temperature Eco

13 - No

Ambient temperature setting

This parameter displays the ambient temperature setting when you press one of the buttons "Comfort", "Night" and "Eco".

12°C 38°C - No

9 Ambient temperature

This parameter displays the ambient temperature of the room measured by the sensor installed in the command unit.

-20°C 50°C - No

10 Humidity rate

This parameter displays the rate of humidity of the room measured by the sensor installed in the command unit.

0 100 - No

11 Exterior temperature This parameter displays the exterior temperature measured by the heat pump. -30°C 90°C - No 12 Not used

Correction to the ambient temperature (command unit position)

This parameter corrects the measurement of the ambient temperature following an error in positioning the command unit.

-5°C +5°C 0°C Yes

Programme time intervals

Choose the number of time intervals available for weekly programming: 2 = 2 time intervals 4 = 4 time intervals 6 = 6 time intervals

24 6 Yes

"Comfort" heating temperature

Choose the ambient temperature in heating mode for the "Comfort" temperature. 12°C 38°C 20°C Yes

"Comfort" cooling temperature

Choose the ambient temperature in cooling mode for the "Comfort" temperature. 12°C 38°C 24°C Yes

"Night" heating temperature

Choose the ambient temperature in heating mode for the "Night" temperature. 12°C 38°C 18°C Yes

"Night" cooling temperature

Choose the ambient temperature in cooling mode for the "Night" temperature. 12°C 38°C 26°C Yes

"Eco" heating temperature

Choose the ambient temperature in heating mode for the "Eco" temperature. 12°C 38°C 15°C Yes

"Eco" cooling temperature

Choose the ambient temperature in cooling mode for the "Eco" temperature. 12°C 38°C 28°C Yes

Ambient temperature setting

This parameter displays the ambient temperature of the room where the command unit is installed.

12°C 38°C - No

22 Displaying fault codes This parameter displays the last occurring fault code. - - - No 23 Fault history Every 4 seconds, this parameter displays the latest fault codes that appear. - - - No

15.2.4 Reinitialisation of parameters

This function is used to reinitialise the control box parameters (factory settings).

The return to factory settings is irreversible. All the personalised settings of the control box will be lost.

• Press the 2 buttons (

) and (M) for 10 seconds.

When selecting for the ﬁ rst time, the ﬁ gure 999 appears in the temperature display area and the ﬁ gure 10 appears in the time display area.

• Hold down the (

) button until 0 is displayed on the screen.

The message “FD” is displayed in the temperature area.

The control box then restores the factory default parameters.

• Restart the entire system to complete the restore.

INSTALLATION

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15.2.5 After-sales service parameters

This menu lets you make adjustments to the following functions according to the appliances connected, and reset all these parameters.

• Press simultaneously on button (

) and ( ) for 3 seconds.

The parameter number is displayed and its value blinks.

• Press the button (M) to access the parameter. The value of the parameter ﬂ ashes.

• Press the buttons (

) to modify the value.

• Press the button (M) to conﬁ rm the parameter setting.

• Press the buttons ( ) to move to the next parameter.

• Perform the previous operations again for the other

parameters.

• Press the button (OK) to exit the menu and validate the settings.

Code Function Description

Setting

Factory setting

Modiﬁ able parameter

Min Max

100

Type of system regulation

1 = Not used 2 = Regulation with system of management by contact 3 = Not used 4 = Not used 5 = Not used 6 = Not used 7 = Not used

17 2 Yes

101

Conﬁ guration of the command unit

0 = Command unit used as conﬁ guration tool 1 = Not used 2 = Not used

02 0 Yes

102

Updates to the command unit software

This parameter displays the latest update to the software that is made on the heat pump's command unit.

-- - No

103

Version of the command unit's software

This parameter displays the version of the heat pump's command unit software - - - No

104 Test modes

By activating these various test modes, you can trigger special functions on the appliance. 0 = No test 1 = Force the circulator 2 = Force output between terminals 5 and N (code 147) 3 = Force output between terminals 4 and N (code 106) 4 = Force output between terminals 11 and N (code 108) 5 = Force output between terminals 12 and N (code 156) 6 = Force the 3-way gate 7 = Not used 8 = Not used

09 0 Yes

105

Reset the counter for the circulator functioning time

This parameter resets, to zero, the functioning time counter for the heat pump's circulator.

000 (no)

165

(yes)

000 (no)

Yes

106

Conﬁ guration of the output between terminal channels 4 and N

Conﬁ guration of the booster heating 1 = Command booster heating 2 = Not used

12 1 Yes

107

Humidity rate threshold

This parameter deﬁ nes the humidity rate threshold from which the dehumidiﬁ er is switched on.

20% 100% 50% Yes

108

Conﬁ guration of the output between terminal channels 11 and N

Conﬁ guration of dehumidiﬁ er 1 = Not used 2 = Dehumidiﬁ er command

12 2 Yes

109

Threshold for protection against frost

This parameter deﬁ nes the temperature level of the installation's water from which protection against frost is activated. This threshold corresponds to the set temperature to which you should add 3°C.

0°C 6°C 0°C Yes

110

Reset the counter for the compressor's functioning time

This parameter resets, to zero, the functioning time counter for the heat pump's compressor.

000 (no)

165

(yes)

000 (no)

Yes

111

Status of water ﬂ ow detector

This parameter lets you check the state of the water ﬂ ow detector 1 = Suﬃ cient water ﬂ ow detected 0 = No water ﬂ ow or insuﬃ cient ﬂ ow

-- - No

INSTALLATION

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Predeﬁ ned heating curves (code 112)

-20 -15 -10 -5 0 5 10 15 20

1211109

Key 7 Heating graph n°7 8 Heating graph n°8 (factory setting) 9 Heating graph n°9 10 Heating graph n°10 11 Heating graph n°11 12 Heating graph n°12 A Heating ﬂ ow temperature (°C) B Exterior temperature (°C)

Code Function Description

Setting

Factory

setting

Modiﬁ able parameter

Min Max

112

Predeﬁ ned heating curves

0 = Personalised graph (see codes 118 to 121) 1 to 6 = Not used 7 to 12 = Pre-deﬁ ned graphs (see above graphs)

112 8 Yes

114 ECO heating mode Reduction oﬀ set for the installation's water temperature setting in heating mode. 1°C 20°C 5°C Yes 116 ECO cooling mode Increase oﬀ set for the installation's water temperature setting in cooling mode. 1°C 10°C 5°C Yes 117 Not used

Personalised heating curves (codes 118, 119, 120, 121)

-20 -15 -10 -5 0 5 10 15 20

Key 1 Code 118 2 Code 119 3 Code 120 4 Code 121 A Heating ﬂ ow temperature (°C) B Exterior temperature (°C)

Code Function Description

Setting

Factory setting

Modiﬁ able

parameter

Min Max

Setting codes 118 to 121 is necessary only if code 112 = 0.

118

Minimum reference exterior temperature

Choose the minimum reference exterior temperature for the region where the heat pump is installed.

-20°C 10°C -7°C Yes

119

Exterior temperature from which the heat pump stops in heating mode

When the exterior temperature reaches the input value, heat pump stops. Choose the exterior temperature from which the heat pump must stop in heating mode.

10°C 30°C 20°C Yes

120

Minimum temperature of water in the installation in heating mode

Choose the minimum temperature of the water in the installation in heating mode.

20°C 60°C 40°C Yes

121

Maximum temperature of the water in the installation in heating mode

Choose the maximum temperature of the water in the installation in heating mode.

20°C 60°C 55°C Yes

122 Not used 123 Not used 124 Not used 125 Not used

INSTALLATION

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Code Function Description

Setting

Factory setting

Modiﬁ able

parameter

Min Max

126

Conﬁ gurations exterior sensor

Choose the type of exterior-temperature sensor: 1 = Remote sensor (connected onto terminal block 23 and 24) 2 = Sensor installed on the heat pump.

12 2 Yes

127 Exterior temperature

This parameter displays the external temperature measured by the sensor installed in the heat pump.

-- - No

128

Temperature of the cooling circuit battery

This parameter displays the temperature of the heat pump's cooling circuit battery. - - - No

129

Compressor suction temperature

This parameter displays the compressor's suction temperature. - - - No

130

Compressor discharge temperature

This parameter displays the compressor's discharge temperature. - - - No

131

Functioning state of the heat pump

This parameter displays the functioning state of the heat pump: 0 = Stopped 2 = Cooling mode 3 = Heating mode 4 = Fault 5 = Defrost mode

-- - No

132

Maximum frequency of compressor

This parameter displays the maximum frequency of the compressor allowed by the heat pump's command board.

-- - No

133

Required compressor frequency

This parameter displays the compressor frequency required by the heat pump's command board.

-- - No

134

Real compressor frequency

This parameter displays the real frequency of the compressor variator. - - - No

135

Counter that times the functioning of the compressor

This parameter displays the number of hours during which the compressor has functioned since ﬁ rst activation.

-- - No

136

Capacity of the heat pump

This parameter displays the capacity of the heat pump. - - - No

137

Return temperature of the heat pump circuit

This parameter displays the return temperature of the heat pump's circuit. - - - No

138

Flow temperature of the heat pump's circuit

This parameter displays the ﬂ ow temperature of the heat pump's circuit. - - - No

139

Temperature of the cooling ﬂ uid in the plate to plate exchanger

This parameter displays the temperature of the cooling ﬂ uid in the plate to plate exchanger

-- - No

140

State of functioning of the system

This parameter displays the state of functioning of the system: 0 = Stopped 1 = Standby mode 2 = Cooling mode 3 = Heating mode 4 = Booster heating functioning 5 = Booster cooling functioning 4 = Nominal heating 5 = Nominal cooling 8 = Frost protection mode 9 = Defrost 10 = Protection against overheating 11 = Guard interval 12 = System fault

-- - No

141 Fault codes This parameter displays the fault codes for the heat pump. - - - No

142

Version of the heat pump's software

This parameter displays the version of the heat pump's software. - - - No

143

Update to the heat pump's software

This parameter displays the latest update made to the heat pump's software. - - - No

144

Counter that times the functioning of the circulator

This parameter displays the number of hours during which the circulator has functioned since ﬁ rst activation.

-- - No

145

Temperature setting calculated for the installation's water

This parameter displays the temperature setting for the installation's water calculated by the command board according to climatic graphs.

-- - No

INSTALLATION

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Code Function Description

Setting

Factory setting

Modiﬁ able

parameter

Min Max

146

Conﬁ guration for stopping the heat pump if control by S1 contact input

1 = Immediate halt (as soon as contact S1 moves into the open position, the heat pump stops). 2 = Gradual halt (as soon as contact S1 opens, the speed of the compressor gradually reduces. This conﬁ guration is used to delay the shutdown of the compressor after contact S1 switches to the open position and to limit the number of compressor cycles per hour to 3.

12 2 Yes

147

Conﬁ guration of the output between terminal channels 5 and N

1 = Unit alarm 2 = Ambient temperature setting reached

1 2 1 Yes

148

Limit exterior temperature (T0)

This parameter deﬁ nes the exterior temperature that is the functioning limit and where the heat pump stops. In this conﬁ guration, only the booster heating functions. See the chapter "Conﬁ guring the booster heating".

-20°C 65°C -20°C Yes

149

Choice of display in the command unit's temperature zone

1 = Ambient temperature 2 = Temperature of water leaving the installation 3 = Temperature of water returning to the installation 4 = Temperature of the cooling ﬂ uid in the plate to plate exchanger 5 = Compressor suction temperature 6 = Compressor discharge temperature 7 = Exterior temperature

17 1 Yes

150

Exterior temperature bivalence point (T1)

This temperature deﬁ nes the external temperature from which the power of the heat pump alone is not suﬃ cient to meet the needs of the installation. Below this temperature, the booster heating and the heat pump can function together. See the chapter "Conﬁ guring the booster heating".

30°C -20°C 0°C Yes

151

Delays for switching on booster heating

This parameter deﬁ nes the period from which the booster heating is switched on when: T0 < exterior T° < T1.

160

minutes

Yes

152

Diﬀ erential stop/ start booster heating

This parameter deﬁ nes the diﬀ erential between the installation's water temperature setting and the water temperature from which the booster heating switches on when: T0 < exterior T° < T1.

1°C 20°C 5°C Yes

153

Mode of activation hot-water demand contact S5

1 = Always active (demand for hot water is always met) 2 = Activated only in heating and cooling modes (demand for hot water is met only in heating or cooling mode)

12 1 Yes

154

Booster heating functioning

This parameter de

ﬁ nes the functioning of the booster heating when: exterior T° < T0. 0 = Continuous functioning 1 = ON/OFF functioning depends on the ambient temperature. In case of a thermostat fault, switch to mode 3. 2 = ON/OFF functioning depends on the installation's water temperature.

12 1 Yes

155

Functioning of main circulator

This parameter deﬁ nes the functioning mode for the main circulator for an external temperature < T0 (code 148) 0 = Stopped 1 = ON/OFF cycle identical to the booster heating 2 = Continuous operation

02 1 Yes

156

Conﬁ guration of the output between terminals 12 and N

Conﬁ guration of the output (connection between terminal channels 12 and N) 0 = Not used 1 = ON/OFF cycle identical to the main pump The water pump works continuously in case of demand for hot water. 2 = ON/OFF cycle identical to the main pump The pump is halted in case of demand for hot water.

02 2 Yes

157

Functioning of the additional circulator

This parameter deﬁ nes the functioning mode for the additional circulator for an external temperature < T0 (code 148) 0 = Stopped 1 = ON/OFF cycle identical to the booster heating 2 = Continuous operation

02 1 Yes

158

Diﬀ erential on the temperature setting from the ambient air

This parameter deﬁ nes the diﬀ erential on the ambient temperature setting in the case where the parameter 100 is conﬁ gured to 4 (regulation with the command unit used as the room thermostat).

+/-

0.2°C

+/-

1°C

+/- 0.3°C No

- advise the user of the precautions necessary to prevent damage to the system, appliance and the building;

- remind the user to service the appliance annually.

- The user shall not interfere with or adjust sealed components.

- All servicing must be carried out by a competent person approved at the time by the Health and Safety Executive.

16 User information

At the end of the installation, the installer must:

- explain the operation of the appliance and its safety devices to the user, if necessary provide a demonstration and answer any questions;

- hand over to the user all the required documentation,

- ﬁ ll in the documents where necessary;

INSTALLATION

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MAINTENANCE

Any work carried out on the refrigerant circuit must be conducted by qualiﬁ ed engineers.

The faults described in this chapter require the services of a qualiﬁ ed professional and, if necessary, a Glow-worm Groupservice engineer.

17 Trouble-shooting

17.1 Fault diagnosis

The following checks should be performed before proceeding onto speciﬁ c diagnostics:

• Make sure that the electricity supply has not been interrupted and that the appliance is connected correctly.

• Ensure that the isolating valves are open.

• Check that all external controls are connected correctly.

17.2 Fault codes

The faults described in this chapter should be carried out by a qualiﬁ ed engineer or a Glow-worm Groupservice engineer.

17.2.1 Fault codes accessible from the install menu

When the symbol “a” blinks at the bottom left of the control box, the appliance has a fault. You should access parameters 22 (last fault code) and 23 (history of last 4 faults) on the installer menu.

• Simultaneously press the (

) and ( ) buttons for 3 seconds, the parameter number is displayed and its value blinks.

• Press the buttons (

) until parameter 22 or 23 is displayed.

• Press the (M) button to access the parameter, the value of the parameter blinks.

• Press the (

) buttons to modify the value.

• Press the (M) button to conﬁ rm the parameter setting.

• Press the (OK) button to exit the menu and conﬁ rm the settings.

• Refer to the “Hydraulic and refrigerant schematic” chapter to

identify the sensor positions.

Code Description

3 Heat pump return temperature sensor fault (n°15)

4 Pre-regulator temperature sensor fault (n°18)

5 Remote outside air temperature sensor fault

6 Loss of communication with the command unit

7 Control box ambient air temperature sensor fault

8 Power matching fault between the electronic control circuit board

and the appliance

9 Water ﬂ ow rate (n°10) or circulator pump (n°11) sensor fault

Code Description

10 Outside air temperature greater than the maximum in heating

(parameter 119)

11 Air temperature higher than the maximum value for heating

12 Outside air temperature greater than the maximum in cooling

(parameter 123)

14 Loss of compressor signal

15 Heat pump outlet temperature sensor fault (n°14)

17 Outside air temperature sensor fault (n°2)

Protection against short-circuits in G-Tr variator

Error in controlling the position of the compressor rotor

Error in current variator sensor

22 Fin exchanger (n°4) or compressor intake (n°6) temperature

sensor fault

23 Compressor outlet temperature sensor fault (n°23)

24 Outside fan fault

26 Other outside faults

27 Compressor blocked

28 Compressor outlet temperature error

29 Compressor breakdown

30 Low pressure switch

31 Over-pressure valve

17.2.2 Speciﬁ c faults shown on the control box main screen

The faults listed below are identiﬁ ed directly on the control box main screen.

Fault Description

Control box ambient temperature sensor fault

In the case of an anomaly in the temperature sensor measurement, the temperature display is replaced by “--“.

Control box ambient humidity sensor fault

In the case of an anomaly in the humidity sensor measurement, the ambient humidity display is replaced by “--“.

Control box EEPROM fault

If the control box non-volatile memory (EEPROM) is defective, the code “E4” is displayed in the control box temperature display area. If the power is cut after this fault is displayed, the installer and aftersales parameters will be restored to their default values and the installation-speciﬁ c parameters will be erased. This fault can result in poor operation of the installation. In the case of an “E4” fault, replace the control box.

Communications fault If communication between the control box

and the heat pump control circuit board is disturbed, error “E3” is displayed in the ambient temperature display area. In this case, check the communication cable between the control box and the heat pump.

MAINTENANCE

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18 Servicing

To ensure the continued eﬃ cient and safe operation of the appliance it is recommended that it is checked and serviced as necessary at regular intervals. The frequency of servicing will depend upon the particular installation conditions and usage.

• Servicing/maintenance should be carried out by a competent person approved at the time by the Health and Safety Executive in accordance with the rules in force in the countries of destination.

• To obtain service, please call your installer or Glow-worm’s own service organisation.

• After servicing, complete the relevant Service Interval Record section of the Benchmark Checklist located on the inside back pages of this document.

IMPORTANT: any action carried out on the refrigerant circuit must be performed by qualiﬁ ed authorised personnel.

The refrigerant ﬂ uid contains gases that, when released into the atmosphere, may aﬀ ect the environment by depleting the ozone layer, contributing to the greenhouse eﬀ ect and an increase in temperature. The risk of leakage cannot be excluded for devices intended to operate for many years and subject to the eﬀ ects of the environment.

• See the "Safety instructions" chapter for a list of operations to be performed prior to the maintenance of the application.

• Once the maintenance operations have been completed, consult the ¨Start Up¨ chapter to restart the appliance.

Annual Maintenance

• Check the proper functioning of safety devices.

• Check the pressure of the water system.

• Check that there are no traces of rust or oil around the cooling

circuit’s components.

• Ensure that the appliance’s components are neither worn nor broken.

• Check that the wires are ﬁ rmly attached to the electrical terminals.

• Check the appliance’s earthing.

• Check the starting temperature of the heat pump and the

adjustment points.

• Check for any ice in the compressor.

• Remove any dust from the power supply.

• Clean the air / refrigerant battery and make sure that air

circulates between the ﬁ ns and around the unit.

• Check that the fan rotates freely.

• Check the pressure of the expansion vessel.

19 Replacement of Parts

• Do not use reconditioned or copy parts, only use original parts supplied by Glow-worm.

• If a part is required, contact the Glow-worm service organisation.

• Please quote the name and serial number of the appliance,

this information will be on the data plate on the side of the appliance.

• If in doubt seek advice from the local gas company or Glowworm’s own service organisation.

Replacement of parts must be carried out by a competent person approved at the time by the Health and Safety Executive.

19.2.1 Mains supply cable

The main supply cable must be replaced by a qualiﬁ ed and competent electrician.

• If the main supply cable is damaged, replace it refering to the chapter "Electrical connection".

20 Spare parts

In order to guarantee the safe and prolonged life of the product, manufacturers genuine spare parts must be used.

This appliance displays a CE Mark of conformity. Only use the manufacturer’s genuine, new spare parts.

• Ensure that spare parts are correctly mounted in the right position and direction. After ﬁ tting any spare part or servicing, the appliance must be tested for its safe operation.

MAINTENANCE

Page 39

Notes: [1] Installers should be members of an appropriate Competent Persons Scheme. [2] All installations in England and Wales must be notiﬁed to Local Area Building Control (LABC) either directly or through a Competent Persons Scheme. A Building Regulations Compliance Certiﬁcate will then be issued to the customer. [3] May be required for systems covered by G3 Regulations

www.centralheating.co.uk

AIR TO WATER HEAT PUMP COMMISSIONING CHECKLIST

This Commissioning Checklist is to be completed in full by the competent person who commissioned the heat pump and associated equipment as a means of demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference.

Failure to install and commission this equipment to the manufacturer’s instructions will invalidate the warranty but does not affect statutory rights.

Customer Name

Address

Telephone Number

Heat Pump Make and Model

Heat Pump Serial Number

Commissioned by (print name) Certiﬁed Operative Reg. No.

[1]

Company Name & Address Commissioning Date

Telephone No.

Building Regulations Notiﬁcation Number (if applicable)

[2]

Commissioning Engineer’s Signature

Customer’s Signature

(To conﬁrm demonstration of equipment and receipt of appliance instructions)

ALL INSTALLATIONS

The heating, hot water and ventilation systems complies with the appropriate Building Regulations Yes

All electrical work complies with the appropriate Regulations Yes

The heat pump and associated products have been installed and commissioned in accordance with the manufacturer’s instructions Yes

The operation of the heat pump and system controls have been demonstrated to the customer Yes

The manufacturer’s literature, including Benchmark Checklist and Service Record, has been explained and left with the customer Yes

CENTRAL HEATING MODE

Heating Flow Temperature °C Heating Return Temperature °C

ALL SYSTEMS

The heating system has been ﬁlled and pressure tested Yes

Expansion vessel for heating is sized, ﬁtted & charged in accordance with manufacturer’s instructions Yes

The heat pump is ﬁtted on a solid/stable surface capable of taking its weight Yes

The system has been ﬂushed and cleaned in accordance with BS7593 and heat pump manufacturer’s instructions Yes

What system cleaner was used?

What inhibitor was used? Qty litres

Is the system adequately frost protected? Yes

OUTDOOR UNIT

Are all external pipeworks insulated? Yes

Is the fan free from obstacles and operational? Yes

Has suitable consideration been made for waste water discharge? Yes

DOMESTIC HOT WATER MODE Measure and Record

Is the heat pump connected to a hot water cylinder? Unvented Vented Thermal Store Not Connected

Hot water has been checked at all outlets Yes Have Thermostatic Blending Valves been ﬁtted? Yes Not required

ADDITIONAL SYSTEM INFORMATON

Additional heat sources connected: Gas Boiler Oil Boiler Electric Heater Solar Thermal Other

CONTROLS - SYSTEM AND HEAT PUMP Tick the appropriate boxes if applicable

1. Time & Temperature Room Thermostat & Programmable Load/Weather Optimum Start Control to Heating Programmer/Timer Roomstat Compensation Control

2. Time & Temperature Cylinder Thermostat & Combined with Heat Control to Hot Water Programmer/Timer pump main controls

3. Heating Zone Valves (including underﬂoor loops) Fitted Not Required

4. Hot Water Zone Valves Fitted Not Required

5. Thermostatic Radiator Valves Fitted Not Required

6. Heat Pump Safety Interlock

[3] Built In Provided

7. Outdoor Sensor Fitted Not Required

8. Automatic Bypass System Fitted Not Required

9. Buffer Vessel Fitted Yes No If YES, Volume Litres

Page 40

Service Record

It is recommended that your heating system is serviced regularly and that the appropriate Service Interval Record is completed.

Service Provider

Before completing the appropriate Service Interval Record below, please ensure you have carried out the service as described in the manufacturer’s instructions.

Always use the manufacturer’s speciﬁed spare part when replacing controls.

Date:

Engineer Name:

Company Name:

Telephone No.

Operative ID No.

Comments:

Signature:

Date:

Engineer Name:

Company Name:

Telephone No.

Operative ID No.

Comments:

Signature:

Date:

Engineer Name:

Company Name:

Telephone No.

Operative ID No.

Comments:

Signature:

Date:

Engineer Name:

Company Name:

Telephone No.

Operative ID No.

Comments:

Signature:

Date:

Engineer Name:

Company Name:

Telephone No.

Operative ID No.

Comments:

Signature:

Date:

Engineer Name:

Company Name:

Telephone No.

Operative ID No.

Comments:

Signature:

Date:

Engineer Name:

Company Name:

Telephone No.

Operative ID No.

Comments:

Signature:

Date:

Engineer Name:

Company Name:

Telephone No.

Operative ID No.

Comments:

Signature:

Date:

Engineer Name:

Company Name:

Telephone No.

Operative ID No.

Comments:

Signature:

Date:

Engineer Name:

Company Name:

Telephone No.

Operative ID No.

Comments:

Signature:

Service 1 Service 2

Service 3 Service 4

Service 5 Service 6

Service 7 Service 8

Service 9 Service 10

Page 41

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0020117819_01 - 05/11

GLOW-WORM

Nottingham Road, Belper, Derbyshire. DE56 1JT

Because of our constant endeavour for improvement, details may vary slightly from those shown in these instructions.

www.glow-worm.co.uk

Subject to engineering changes