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1. 42 MIV 4 7623746 v02 03072015 7 Maintenance 7 1 Troubleshooting 7 2 General 7 Maintenance Caution All work on the refrigeration circuit must be done by a qualified professional according to prevailing codes of practice and safety in the profession recovery of the refrigerant brazing under nitro gen All brazing work must be done by qualified welders Caution This appliance is fitted with pressurised equipment including the refrigeration pipes Caution Use only original parts to replace a defective refrigeration compo nent Caution Use only dehydrated nitrogen for detecting leaks or for pressur ised tests Caution The safety devices may only be set corrected or replaced by a qualified professional Maintenance operations are important for the following reasons To guarantee optimum performance To extend the life of the equipment To provide an installation which offers the customer optimum comfort over time Caution Maintenance work must be carried out by a qualified professional Danger Before any work switch off the mains electricity to the heat pump and the hydraulic or electrical back up if connected Caution Before working on the refrigeration circuit switch off the appliance and wait a few minutes Certain items of equipment such as the compressor and the pipes can reach temperatures in excess of 100 C and high pressures which may cause serious i
2. 36 6 1 5 COUNTERS TIME PROG menus CLOCK 36 62 Setting the parameters diner li Qata s i A E suis den na won 38 6 2 1 Modifying the User Parameters 2 414448 de anne dde do 38 6 2 2 Activating the Cooling function o u 4808 a sassa a rh uma een be ee 38 6 2 3 Setting the heating RA PS pha heats ea Rote ek de RIRE Ne Re IR RUE 39 6 2 4 setting th domestic hot water temp rature 2 31422 448844 bn Pewee dm une merde 39 6 2 5 Activating Manual Forcing 02 2 244488 E AA A ete ed ne ba EE EE RA 40 6 2 6 Setting the timer program us su ul asie tienne Ne Et 41 f Maintenance AA etui ai Moment ane ab aa was ed Pere sa ten 43 7623746 v02 03072015 MIV 4 3 Contents tA THOUBDIESHOOLNG iis sis Hees Rack PA Dl wd Ache eae ns hale Re ee EN ed es 43 122 A I c wale an Plow Raed von tie Red Pha NS A 43 7 3 Standard inspection and maintenance operations 43 TA Cleaning INE CASINO ir phi umaymi EY ein de dues eee In nr nie el 44 8 TROUDISSMOOUMNG EE La ys uswa mas aut Mo me coca dire Dee soon 45 84 Error messages ss stats te cles eta ie SIO rae wear eed eo ted a onan a eee 45 8 1 1 Enor COTES amu ba sort tee De D ae a Sedan a earned AG Sun Go as kus as s 45 8 1 2 PCB error codes on the PCB sensor kit for circuits with mixing valve 47 82 EMOS A A ii 48 8 39 NOUDIESNOOUNG
3. _ 02 x 0 4 x The energy efficiency of the package of products provided for in this fiche may not correspond to its actual energy efficiency once installed in a building as this efficiency is influenced by further factors such as heat loss in the distribution system and the dimensioning of the products in relation to building size and characteristics 58 MIV 4 AD 3000747 01 The value of the water heating energy efficiency of the combination heater expressed in The value of the mathematical expression 220 Qref Qnonsol where Q ef is taken from Regulation EU 811 2013 Annex VII Table 15 and Qnonso from the product fiche of the solar device for the de clared load profile M L XL or XXL of the combination heater The value of the mathematical expression Qaux 2 5 220 Qrer expressed in where Qaux is taken from the product fiche of the solar device and Qres from Regulation EU 811 2013 Annex VII Ta ble 15 for the declared load profile M L XL or XXL 7623746 v02 03072015 Copyright All technical and technological information contained in these technical instructions as well as any drawings and technical de scriptions supplied remain our property and shall not be multiplied without our prior consent in writing Subject to alterations CE De Dietrich DE DIETRICH THERMIQUE 57 rue de la Gare F 67580 MERTZWILLER BP 30 PART OF BDR TH
4. MW 1000043 4 1 ESC key or RESET 4 MODE key or CONFIRM 2 Key for the heating temperatures llllll or 3 Key for the domestic hot water temperatures CFA or 4 4 2 Description of the display m Key functions Fig 7 Function keys ESC Back to the previous level without saving the modifications made RESET Manual reset IIIII Accessing the heating parameters Lowering the value FFA Accessing the domestic hot water parameters Raising the value MODE MODE display lt Accessing the menu selected or confirming the value modification MW 1000082 3 m Hydraulic back up Fig 8 Hydraulic back up Hydraulic back up in demand MW 1000085 2 7623746 v02 03072015 MIV 4 25 4 Description of the product Fig 9 Electrical back up MW 6000364 1 Fig 10 Status of the Compressor MW 5000012 1 Fig 11 Operating modes III E MW 1000083 3 Fig 12 Hydraulic pressure NANO NO NANG i IN IN IN IN AN MW 5000037 2 Fig 13 Cooling mode MW 5000015 1 26 MIV 4 m Electrical back up Stage 1 of the electrical back up Stage 2 of the electrical back up m Status of the Compressor Steady symbol compressing running Flashing symbol compressor off and run request pending m Operating modes IIIIL Steady symbol heating function enabled Flashing symbol heating production running rx Steady symbol domestic hot water function enabled Flashing symbol domestic hot w
5. Note Press the S9 key to cancel all input MW 3000271 2 e 6 2 5 Activating Manual Forcing Note The name of the PCB is displayed Check that it is actually the PCB on which the setting must be made Fig 42 Accessing the menus 1 Access the menus by pressing the two keys on the right simultane ously 2 Access Manual Forcing by pressing the or key Confirm by pressing the lt key Note i Manual Forcing is available only when the M icon flashes MW 5000010 2 Fig 44 Setting the set point 3 Set the value of the heating water temperature set point by pressing or key Confirm by pressing the lt key 4 Go back to the main display by pressing the EST key 40 MIV 4 7623746 v02 03072015 6 Settings 6 2 6 Setting the timer program Note The name of the PCB is displayed Check that it is actually the PCB on which the setting must be made Fig 45 Accessing the Hour Run Meters 1 Access the Hour Run Meters Timer Program Clock menus Timer Program Clock menus 2 Select the Timer Program sub menu by pressing the or key Confirm by pressing the lt key 3 Select the circuit by pressing the or key Confirm by pressing the lt key Note At least two circuits are available Heating Domestic hot water DHW The icons dedicated to the days of the week all flash at the same time 112131451617 Select the desired day number by pressi
6. 1 Safety Tab 2 Precautions for use First aid Fire prevention meas ures In the event of acciden tal spillage If inhaled Evacuate the subject from the contaminated area and take him into the open air If feeling unwell call a doctor In the event of contact with the skin e Treat frost injuries like burns Rinse with copious amounts of tepid water do not remove clothing risk of adhesion to the skin e If skin burns appear call a doctor immediately In the event of contact with the eyes e Rinse immediately with water holding the eyelids well apart for at least 15 minutes e Consult an ophthalmologist immediately e Appropriate extinguishing agents All extinguishing agents can be used e Inappropriate extinguishing agents none to our knowledge In the event of fire nearby use the appropriate extinguishing agents e Specific hazards Rise in pressure in the presence of air an inflammable mixture may form under certain temperature and pressure conditions Toxic and corrosive vapours may be released by the effect of the heat e Special intervention methods cool the volumes exposed to heat with water spray e Protection of the firemen Full self contained breathing apparatus Complete body protection Individual precautions e Avoid contact with the skin and eyes Do not intervene without appropriate protective equipment e Do not inhale the vapours Evacuate the hazardous area
7. 12 MIV 4 1 4 1 Manufacturer s liability Our products are manufactured in compliance with the re quirements of the various Directives applicable They are therefore delivered with the C marking and any documents necessary In the interests of the quality of our products we strive constantly to improve them We therefore reserve the right to modify the specifications given in this document Our liability as manufacturer may not be invoked in the fol lowing cases e Failure to abide by the instructions on installing the appli ance e Failure to abide by the instructions on using the appliance e Faulty or insufficient maintenance of the appliance 1 4 2 Installer s liability The installer is responsible for the installation and initial com missioning of the appliance The installer must abide by the following instructions Read and follow the instructions given in the manuals pro vided with the appliance e Install the appliance in compliance with prevailing legisla tion and standards e Carry out initial commissioning and any checks necessary e Explain the installation to the user If maintenance is necessary warn the user of the obliga tion to check the appliance and keep it in good working or der e Give all the instruction manuals to the user 1 4 3 User s liability To guarantee optimum operation of the system you must abide by the following instructions e Read and follow the instructions given
8. Can be set from 0 to 99 minutes e Set to 99 continuous running DP060 Number of timer programs selected for domestic hot water 0 production mode Can be set from 0 to 2 DP070 Domestic hot water temperature set point in comfort mode 54 C Can be set from 40 to 80 C DP080 Domestic hot water temperature set point in reduced mode 10 C Can be set from 10 to 60 C DP200 Domestic hot water production mode 0 7623746 v02 03072015 MIV 4 35 6 Settings Parameters Description Factory setting Customer setting HP062 Cost of peak time electricity 13 Can be set from 1 to 250 x 0 01 kWh HP063 Cost of off peak electricity 9 Can be set from 1 to 250 x 0 01 kWh HP064 Cost of fossil energy oil or gas price per litre or per m3 90 Can be set from 1 to 250 x 0 01 kWh AP103 Display language AP104 Display contrast AP105 Temperature display unit C or F C 6 1 4 PCB parameters for the PCB sensor kit for circuits with mixing valve Certain parameters are displayed according to certain system configurations e according to the options circuits or sensors actually connected Tab 17 List of parameters accessible to the user Parameters Description Factory setting Customer setting AP073 SUMMER WINTER set point switch 22 C Can be set from 15 to 30 C e Set to 30 5 C function deactivated AP074 SUMMER override 0 0 OF
9. Stop the leakage Eradicate all sources of ignition Ventilate the spillage area mechanically Cleaning decontamination allow any residual product to evaporate In the event of contact with the eyes Rinse immediately with water holding the eyelids well apart for at least 15 minutes Consult an ophthalmologist immediately Handling e Technical measures ventilation e Precautions to be taken No smoking Prevent the build up of electrostatic charges Work in a well ventilated place Personal protection e Respiratory protection If ventilation is insufficient AX type cartridge mask In confined spaces self contained breathing apparatus Hand protection protective gloves in leather or nitrile rubber e Eye protection safety glasses with side protection e Skin protection clothing made principally of cotton Industrial hygiene do not drink eat or smoke at the place of work 7623746 v02 03072015 MIV 4 11 1 Safety Considerations on dis posal Note Disposal must be done in compliance with prevailing local and national regulations e Product waste consult the manufacturer or the supplier for information on recovery or recycling e Soiled packaging reuse or recycle after decontamination Destroy in au thorised installations Regulation e European Regulation No EC 842 2006 fluorinated greenhouse gases un der the Kyoto Protocol 1 4 Liabilities
10. eiga tn E A E E A E AAA ey EA O C we bak 48 9 Decommissioning u u 24 468 m8 memes a AR A A AA W aS S OR mk 50 9 1 DECOMMISSIONING pPr cedure toi a AV wy A da sir ae 50 10 DISPOSAL 4 ocios A E papaq A A A A a a Die 51 10 1 Disposaliand RECYCING sce s iaa aka wau ayaq au M Re Ra E At eee 51 TJ Environmental oo suce oi td at rra acne S S ita te tido 52 11 1 Energy SaVINGS u bai o a A dede a bad 52 12 Waltanty sais sus a a A ii a tt suis AA a OE 53 12 1 Generali iii A A A Aa 53 12 2 TEMO Warranty 2 ane ia ani AA AA eats Pea RNE e ee EE tee AA ORE E nt 53 13 Append seca egr wapu A Boa E AA A A ARS ee AS 54 13 1 Product data Sheet ii casein ded amie eben AEE 54 13 2 Product datasheet Temperature Controls tesime g se srie date eed eee aw en ee eae wea ea ea ee aao sb u 55 13 3 Package fiche acom nee aw a A Hered Mere ee des Dae dun Het eee 55 13 4 Package fiche Combination heaters boilers or heat pumps 58 4 MIV 4 7623746 v02 03072015 1 Safety 1 1 General safety instructions 7623746 v02 03072015 1 Safety Note This appliance is not intended to be used by persons including children whose physical sensory or mental capacity is impaired or persons with no experience or knowledge unless they have the benefit through the intermediary of a person responsible for their safety of supervision or prior instructions regarding use of the appliance Care
11. 6 AWHP 8 AWHP 11 AWHP 11 AWHP 16 AWHP 16 ment type MR MR 2 MR 2 MR 2 TR 2 MR 2 TR 2 Total dy kPa 58 49 29 11 11 35 35 namic head at nominal flow rate Nominal air m3 hour 2100 2100 3300 6000 6000 6000 6000 flow rate Power volt V 230 230 230 230 400 230 400 age of the outdoor unit Start up A 5 5 5 5 3 6 3 amperage Maximal A 13 13 19 29 5 13 29 5 13 amperage Acoustic dB A 52 9 52 9 53 3 53 3 53 3 53 3 53 3 power In side 1 Acoustic dB A 62 4 64 8 65 2 68 8 68 8 68 5 68 5 power Outside 1 Acoustic dB A 41 7 41 7 43 2 43 4 43 4 47 4 47 4 pressure Y Refrigerant kg 2 1 2 1 3 2 4 6 4 6 4 6 4 6 fluid R410A Refrigera inch 1 4 1 2 1 4 1 2 3 8 5 8 3 8 5 8 3 8 5 8 3 8 5 8 3 8 5 8 tion connec tion Liquid Gas 7623746 v02 03072015 MIV 4 17 3 Technical specifications Measure Unit AWHP 4 AWHP 6 AWHP 8 AWHP 11 AWHP 11 AWHP 16 AWHP 16 ment type MR MR 2 MR 2 MR 2 TR 2 MR 2 TR 2 Max pre m 10 10 10 10 10 10 10 loaded length 1 Noise radiated by the envelope Test run in accordance with the NF EN 12102 standard temperature conditions air 7 C water 55 C 2 at5 m from the appliance free field 3 2 2 Domestic hot water tank Tab 8 Technical specifications primary circuit heating water Specification Unit Value Maximum operating temperature Version w
12. 816 4 816 Annual electricity consumption AEC kWh 968 968 968 Water heating energy efficiency Nwh 106 00 106 00 106 00 Daily fuel consumption Quel kWh 0 000 0 000 0 000 Annual fuel consumption AFC GJ 0 0 0 equal to the supplementary capacity for heating sup 77 2 If Cdhis not determined by measurement the default degradation coefficient is Cah 0 9 1 The rated heat output Prafed is equal to the design load for heating Pdesignh and the rated heat output of a supplementary heater Psup is Tab 14 Technical parameters for heat pump combination heaters parameters declared for medium temperature application Product name MIV 4 MIV 4 AWHP 11 MR 2 AWHP 16 MR 2 Air to water heat pump Yes Yes Water to water heat pump No No Brine to water heat pump No No Low temperature heat pump No No Equipped with a supplementary heater Yes Yes Heat pump combination heater Yes Yes Rated heat output under average conditions Prated kW 8 Rated heat output under colder conditions Prated kW 7 Rated heat output under warmer conditions Prated kW 13 Declared capacity for heating for part load at indoor temperature 20 C and outdoor temperature 7 T 7 C Pdh KW 6 8 9 0 T 2 C Pdh KW 8 2 11 9 T 7 C Pdh KW 9 0 12 9 T 12 C Pdh kW 10 1 15 4 T bivalent temperature Pdh kW 6 2 8 3 7 operation limit temperature Pdh kW 6 2 8 3 Bivalent temperature T piv C 10 10 Deg
13. If no outside temperature sensor is connected this menu can be used to set the temperature of the heating water If an outside temperature sensor is connected this menu can be used to set the set point 2 Display the parameters for the desired circuit by pressing the or key Confirm by pressing the lt key The name of the circuit and the heating water temperature set point are displayed alternately 3 Access setting of the heating water temperature set point by press ing the key 4 Set the heating water temperature set point by pressing or key 5 Confirm the new temperature set point by pressing the lt key Note 7 Press the 99 key to cancel all input 6 2 4 Setting the domestic hot water temperature Note The name of the PCB is displayed Check that it is actually the PCB on which the setting must be made 1 Access the domestic hot water production parameters by pressing the Ekey twice MIV 4 39 6 Settings Fig 41 Confirmation of the domestic hot wa 2 Display the domestic hot water production circuit parameters by ter circuit pressing the key The name of the circuit and the domestic hot water temperature set point are displayed alternately 3 Access setting of the domestic hot water temperature set point by pressing the lt key 4 Set the domestic hot water temperature set point by pressing lt or key 5 Confirm the new temperature set point by pressing the key
14. Ke 12 2 ADo t thiS man a 7 uc rss smart nur NAE E A A Re eee Cee ee eee ak 14 2 1 General uum RER ede bated Stee Hein aa 14 22 SYMDOISUSEO uuu u en une ame ed ee 0 ad arsa 2 ee ahi De ae hr pb 14 2 2 1 Symbols Used in the Manual aber dia due sde a asna aa wa de de do ARA band 14 2 2 2 symbols used onthe appliance s cnc ince at ee A Ra ae ee Roe Ral Qed o bane piui 14 3 Teo h icalspecificali n8 l dada AE oud eos 16 3 1 01 1116110101 1110 QE 16 3 1 1 DIC CUES scam za s ne berne Re ni nn Ce Sule do Q SEE hos E te 16 32 26 11 11022 AA RRA 16 3 2 1 Heat PUMP vec hse Suet ite Le a nk eed Say A pe ee oe Aes 16 3 2 2 Domestic not Wa t r tank mentar wee tr okn e canes eee a Ea RS PUS RENE ae EE 18 3 2 3 Weights isa di betes Leeann di wale mie don me nn E R Run Et 18 3 2 4 Combination heaters with medium temperature heat pump 19 3 2 5 Circulating PUMP EE eso Ranch uw A ane MATE un Re Ba E EE a 22 4 Description of the product ssis ci i n hassan bare Ranke aR ARSE soie Ga ee Ae ae ad le on ae ae 23 44 G n ral descripto u Late ane LS a aig dresse sassa kaa s a Ge E 23 42 Operating principles u u en a us aus Saeed A ONES A ea wees Danke 23 4 3 Main COMPORENIS u 26 cutee nano as dae Aad hack he EA ae Ree ae Der wee adn ad 24 44 Control panel description uuu u usss A w aa qa sa w deers 25 4 4 1 Description of the keys ou iat RES aie et ee oi a MR coe E 25 4 4 2 Description o
15. efficiency under average climate condi 132 130 tions Water heating energy efficiency under average climate conditions 106 00 106 00 Sound power level Lwa indoors dB 53 53 Ability to off peak hours functioning No No Rated heat output under colder warmer climate conditions kW 4 8 7 13 Space heating Annual energy consumption under colder warmer cli kWh 3804 2580 5684 4120 mate conditions GJ Water heating Annual energy consumption under colder warmer cli kWh 1432 664 1432 664 mate conditions GJS Seasonal space heating energy efficiency under colder warmer climate 113 167 113 161 conditions Water heating energy efficiency under colder warmer climate conditions 72 00 154 00 72 00 154 00 Sound power level Lwa outdoors dB 69 69 1 For gas heat pumps only 2 Ifapplicable 3 Electricity 4 Fuel See nance see the chapter on Safety Instructions 13 2 Product data sheet Temperature controls Tab 27 Product data sheet for the Temperature controls For specific precautions on assembly installation and mainte IniControl 2 Class Contribution to space heating energy efficiency 2 13 3 Package fiche Note i Medium temperature application means an application where the heat pump space heater or heat pump combination heater deliv ers its declared capacity for heating at an indoor heat exchanger out
16. for Sundays m Temperature sensors hi Room temperature sensor connected Steady symbol WINTER mode outside temperature sensor con nected Flashing symbol SUMMER mode outside temperature sensor connected m Other Information ane J ip Forced start up forced operation in full load mode Access to information on the additional PCBs Name of the PCB for which the parameters are displayed Three way valve connected Pump running MIV 4 27 5 Operation 5 Operation 5 1 Use of the control panel Fig 17 Accessing the menus 0 Q MW 3000248 2 28 MIV 4 5 1 1 Browsing in the menus Note i The first time a key is pressed the backlit screen is switched on The name of the PCB is displayed check that it is actually the PCB on which the setting must be made 1 To access the menu level press the two keys on the right simultane ously _ 2 To go back to the main display press the FSC key Note The key is used to move to the right Note The key is used to move to the left To select the desired menu press the or key until the icon for the desired menu flashes Information menu User menu Installer menu Forcing Manual mode Failure menu ka gt a 0 Hour run meters sub menu Timer Program sub menu Clock sub menu The icon is displayed only if an optional PCB has been installed 7623746 v0
17. heat loss in the distribution system and the dimensioning of the products in relation to building size and characteristics AD 3000745 01 l The value of the seasonal space heating energy efficiency of the preferential space heater expressed in Il The factor for weighting the heat output of preferential and supple mentary heaters of a package as set out in the following table II The value of the mathematical expression 294 11 Prated whereby Prated is related to the preferential space heater IV The value of the mathematical expression 115 11 Prated whereby Prated is related to the preferential space heater V The value of the difference between the seasonal space heating energy efficiencies under average and colder climate conditions expressed in VI The value of the difference between the seasonal space heating energy efficiencies under warmer and average climate conditions expressed in 56 MIV 4 7623746 v02 03072015 Tab 28 Weighting of medium temperature heat pumps 13 Appendix Prated Prated Psup 2 II package without hot water storage tank Il package with hot water storage tank 0 1 00 1 00 0 1 0 70 0 63 0 2 0 45 0 30 0 3 0 25 0 15 0 4 0 15 0 06 0 5 0 05 0 02 0 6 0 02 0 20 7 0 0 1 The intermediate values are calculated by linear interpolation between the two adjacent values 2 Prated is related to the preferential space heater or combinat
18. in the manuals pro vided with the appliance e Call on a qualified professional to carry out installation and initial commissioning e Get your installer to explain your installation to you 7623746 v02 03072015 1 Safety Have the required inspections and maintenance carried out by a qualified installer e Keep the instruction manuals in good condition close to the appliance 7623746 v02 03072015 MIV 4 13 2 About this manual 2 About this manual 2 1 General 2 2 Symbols used Fig 1 Symbols used on the appliance ME Fig 2 Symbols used on the data plate TB IL wa 6000286 1 14 MIV 4 This manual is intended for the user of a MIV 4 heat pump This manual can also be found on our internet site 2 2 1 Symbols used in the manual This manual uses various danger levels to draw attention to special in structions We do this to improve user safety to prevent problems and to guarantee correct operation of the appliance Danger Risk of dangerous situations that may result in serious personal injury Danger of electric shock Risk of electric shock Warning Risk of dangerous situations that may result in minor personal in jury Caution Risk of material damage Note Please note important information See EJ Reference to other manuals or pages in this manual 2 2 2 Symbols used on the appliance 1 Alternating current 2 Protective earthing 1 Information on the heat pump type
19. to the protective earth Earthing must comply with prevailing installation standards Earth the appliance before making any electrical con nections Type and calibre of the protective equipment refer to the chapter Recommended cable cross sections In stallation and Service Manual Caution To connect the appliance to the mains electricity refer to the chapter Electrical Connections Installation and Service Manual Caution This appliance must not be powered through an exter nal switch such as a timer or be connected to a cir cuit which is regularly switched on and off by the elec tricity provider Note The Installation Manual for the appliance is also avail able on our internet site Caution Install the heat pump s indoor module in a frost free location Caution To enjoy warranty cover no modifications must be made to the appliance Note Only qualified persons are authorised to assemble in stall and maintain the installation Caution Maintenance work must be carried out by a qualified professional Caution After maintenance or repair work check the entire heating installation to ensure that there are no leaks Caution Only qualified professionals may carry out electrical connections always with the power off Caution Separate the very low voltage cables from the 230 400 V circuit cables 7623746 v02 03072015 7623746 v02 03072015 1 Safety Note The frost protection function
20. 2 03072015 Fig 20 Confirming the menu or parameter MW 5000019 3 Fig 21 Modifying a value Fig 22 Confirming a new value MW 5000019 3 Fig 23 Back to the main display Q MW 5000016 3 7623746 v02 03072015 5 Operation 4 To confirm selection of the desired menu sub menu or parameter press the key Note i If no keys are pressed for 3 minutes the appliance returns to nor mal operating mode The display disappears after a few seconds inactivity 5 To modify the value of a parameter press the or key until the desired value is displayed 6 To confirm a new parameter value press the key 7 To go back to the main display press the 9 key 5 1 2 Accessing the User menu The information and settings in the User menu can be accessed by every one Note The name of the PCB is displayed Check that it is actually the PCB on which the setting must be made MIV 4 29 5 Operation Fig 24 Accessing the User menu MW 5000008 1 Fig 25 Displaying the parameters of the User menu MW 5000040 3 Fig 26 Accessing the Hour Run Meters Timer Program Clock sub menus MW 5000044 2 Fig 27 Displaying the parameters of the Hour Run Meters sub menu MW 5000045 2 30 MIV 4 1 Access the menus by pressing the two keys on the right simultane ously 2 Select the User menu by pressing the or key until the icon flashes 3 Press lt
21. 3000179 03 7623746 v02 03072015 N a i O ONO 1 T 10 Disposal Warning Removal and disposal of the heat pump must be carried out by a qualified professional in accordance with prevailing local and na tional regulations Switch off the heat pump Cut the mains supply to the heat pump Recover the refrigerant fluid in accordance with prevailing regula tions Note Do not allow the refrigerant fluid to escape into the atmosphere Disconnect the refrigeration connections Close the water mains Drain the installation Dismantle all hydraulic connections Dismantle the heat pump Scrap or recycle the heat pump in accordance with prevailing local and national regulations MIV 4 51 11 Environmental 11 Environmental 11 1 Energy savings Tips on saving energy e Do not block ventilation outlets Do not cover the radiators Do not hang curtains in front of the radiators Install reflective panels behind the radiators to prevent heat losses e Insulate the pipes in rooms that are not heated cellars and lofts e Turn off the radiators in rooms not being used e Do not run hot or cold water pointlessly e Install a water saving shower head to save up to 40 energy e Take showers rather than baths A bath consumes twice as much water and energy 52 MIV 4 7623746 v02 03072015 12 Warranty 12 1 General 12 2 Terms of warranty 7623746 v02 03072015 12 Warranty We would li
22. 5 EC Generic standard IEC EN 60335 1 Relevant Standard IEC EN 60335 2 40 Electromagnetic Compatibility Directive 2004 108 EC Generic standards IEC EN 61000 6 3 IEC EN 61000 6 1 Relevant Standard IEC EN 55014 This product conforms to the requirements of European Directive 2009 125 EC on the ecodesign of energy related products In addition to the legal requirements and guidelines the supplementary guidelines in this manual must also be followed Supplements or subse quent regulations and guidelines that are valid at the time of installation shall apply to all regulations and guidelines specified in this manual 3 2 Technical data 3 2 1 Heat pump Maximum operating pressure 0 3 MPa 3 bar Tab 3 Conditions of use Water C Outside air C Limit operating temperatures in heating 18 60 AWHP 4 MR AWHP 6 MR 2 15 35 mode Other models 20 35 Limit operating temperatures in cooling 7 25 7 40 mode Tab 4 Heating mode outside air temperature 7 C water temperature at the outlet 35 C Performances in accordance with EN 14511 2 Measure Unit AWHP 4 AWHP 6 AWHP 8 AWHP 11 AWHP 11 AWHP 16 AWHP 16 ment type MR MR 2 MR 2 MR 2 TR 2 MR 2 TR 2 Heat output kW 3 94 5 73 8 26 11 39 11 39 14 65 14 65 Coefficient 4 53 4 04 4 27 4 65 4 65 4 22 4 22 of perform ance COP Absorbed kWe 0 87 1 42 1 93 2 45 2 45 3 47 3 47 electrical power Nominal A 4 11 6 57 8 99 11 41 3 8 1
23. 6 17 5 39 amperage Nominal wa m3 hour 0 68 0 99 1 42 1 96 1 96 2 53 2 53 ter flow rate AT 5K Tab 5 Heating mode outside air temperature 2 C water temperature at the outlet 35 C Performances in accordance with EN 14511 2 Measure Unit AWHP 4 AWHP 6 AWHP 8 AWHP 11 AWHP 11 AWHP 16 AWHP 16 ment type MR MR 2 MR 2 MR 2 TR 2 MR 2 TR 2 Heat output kW 3 76 3 19 5 30 10 19 10 19 12 90 12 90 16 MIV 4 7623746 v02 03072015 3 Technical specifications Measure Unit AWHP 4 AWHP 6 AWHP 8 AWHP 11 AWHP 11 AWHP 16 AWHP 16 ment type MR MR 2 MR 2 MR 2 TR 2 MR 2 TR 2 Coefficient 3 32 2 97 3 46 3 20 3 20 3 27 3 27 of perform ance COP Absorbed kWe 1 13 1 08 1 53 3 19 3 19 3 94 3 94 electrical power Tab 6 Cooling mode outside air temperature 35 C water temperature at the outlet 18 C Performances in accordance with EN 14511 2 Measure Unit AWHP 4 AWHP 6 AWHP 8 AWHP 11 AWHP 11 AWHP 16 AWHP 16 ment type MR MR 2 MR 2 MR 2 TR 2 MR 2 TR 2 Cooling out kW 3 84 4 69 7 90 11 16 11 16 14 46 14 46 put Energy effi 4 83 4 09 3 99 4 75 4 75 3 96 3 96 ciency ratio EER Absorbed kWe 0 72 1 15 2 00 2 35 2 35 3 65 3 65 electrical power Nominal A 3 40 5 43 9 40 11 05 3 68 17 15 5 71 amperage Tab 7 Common specifications Measure Unit AWHP 4 AWHP
24. 8 1 1 Error codes An error code is a temporary boiler status resulting from the detection of an anomaly Error code Message Description W4 WATPRESSURE Water pressure in the installation lower than the minimum pressure WARNING W5 SYSTEM FLOW RATE Flow rate in the installation lower than the minimum flow rate ALERT Tab 22 List of lock downs Code Message Description Check BOO PARAME Incorrect parameter configu Contact the professional responsible for maintenance of the heat pump TER ERROR ration B02 TOTAL The BL input on the terminal Contact the professional responsible for maintenance of the heat pump LOCK block in the EHC 02 PCB is DOWN open B03 PARTIAL The BL input on the terminal Contact the professional responsible for maintenance of the heat pump LOCK block in the EHC 02 PCB is DOWN open BOS WATER Error on the water pressure Contact the professional responsible for maintenance of the heat pump PRESSURE sensor S OPEN B06 WATER Error on the water pressure Contact the professional responsible for maintenance of the heat pump PRESSURE sensor S CLOSED B09 CONFIG ER The hybrid system has not Contact the professional responsible for maintenance of the heat pump ROR been configured 7623746 v02 03072015 MIV 4 45 8 Troubleshooting Code Message Des
25. C009 Energy recovered in domestic hot water mode kWh AC010 Energy recovered in cooling mode kWh AC001 Number of hours operation hours AM033 Service A B or C or Custom AC003 Number of hours operation since the last service hours AC013 Seasonal coefficient of performance m Sub menu TIME PROG Tab 19 List of parameters Parameters Description Factory setting Customer setting a Timer program for Mondays 06 00 22 00 2 Timer program for Tuesdays 06 00 22 00 3 Timer program for Wednesdays 06 00 22 00 4 Timer program for Thursdays 06 00 22 00 5 Timer program for Fridays 06 00 22 00 6 Timer program for Saturdays 06 00 22 00 Timer program for Sundays 06 00 22 00 Tab 20 List of parameters m Sub menu CLOCK Parameters Description Factory setting Customer setting HOURS Time Can be set from 0 to 23 MINUTE Minute Can be set from 0 to 59 DATE Date Can be set from 1 to 31 MONTH Month Can be set from 1 to 12 YEAR Year Can be set from 0000 to 2100 7623746 v02 03072015 MIV 4 37 6 Settings 6 2 Setting the parameters 6 2 1 Modifying the User parameters Note i The name of the PCB is displayed Check that it is actually the PCB on which the setting must be made The parameters in the User menu can be modified by the user to meet his central heating and domestic hot water comfort requirements Caution Modification of the factory settings may impair opera
26. ERMEA 7623746 v02 03072015 7623746 001 02
27. F 1 ON CP010 Heating water flow temperature set point for the area heated 40 C Can be set from 7 to 100 C CP040 Post operation time of the generator pump 4 minutes Can be set from 0 to 20 minutes CP071 Room temperature set point in reduced mode 16 C Can be set from 5 to 30 C CP072 Room temperature set point in comfort mode 20 C Can be set from 5 to 30 C CP320 Circuit operating mode 0 e 0 Timer program 1 Manual 2 Frost protection CP350 Not available on this version CP360 Not available on this version CP540 Swimming pool water temperature set point 20 C Can be set from 0 to 39 C e Set to 0 frost protection operation CP570 Not available on this version 36 MIV 4 6 1 5 COUNTERS TIME PROG menus CLOCK This menu contains the following sub menus e COUNTERS TIME PROG timer program e CLOCK 7623746 v02 03072015 Tab 18 List of parameters m Sub menu COUNTERS 6 Settings Parameters Description Unit DC002 Number of reversal valve cycles DC003 Number of hours reversal valve operation hours PC002 Number of burner start ups in heating mode AC026 Number of hours pump operation hours AC027 Number of pump start ups AC005 Consumption in heating mode kWh AC006 Consumption in domestic hot water production mode kWh AC007 Consumption in cooling mode kWh AC008 Energy recovered in heating mode kWh A
28. NS T FLOW OPEN Boiler flow sensor on an open circuit Bad sensor connection Check the wiring between the CU PCB and the sensor Check that the sensor has been correctly fitted e Sensor failure Check the Ohmic value of the sensor Replace the sensor if necessary B100 FUNCTION UNAVAILABLE Function not available in the control system Bad parameter setting 7623746 v02 03072015 MIV 4 47 8 Troubleshooting 8 2 Error history Fig 53 Accessing the menus MW 5000009 3 Fig 54 Accessing the Failure menu MW 5000043 1 8 3 Troubleshooting 1 Access the menu level by pressing the two keys on the right simulta neously 2 Select the Failure menu by pressing the lt key 3 Press the or key to scroll through the error code history 4 Press the key to access the details of the error code displayed Problems Probable causes Corrections The radiators are cold The heating set point tem perature is too low Increase the value of parameter lll or if a room thermostat is connec ted increase the temperature on it The heating mode is deac tivated Activate the heating mode The radiator valves are closed Open the valves on all radiators connected to the heating system The heat pump is not op erating e Check that the heat pump is switched on e Check the fuses and switches on the electrical installation The water p
29. W versions with electrical back up e Or via a gas or oil boiler already in use on the installation versions with hydraulic back up The indoor module and the outdoor unit are connected by means of refrig erant and electrical connections The indoor module handles heating and domestic hot water production The system offers the following advantages e The heating circuit is housed in the insulated volume within the home e Thanks to the DC inverter system the heat pump modulates its output to adapt to the needs of the home e The control panel uses the outside sensor to adjust the temperature of the heating circuit according to the outside temperature e The steel domestic hot water tank is fitted with a magnesium anode and lined with food quality standard enamel vitrified at 850 C which protects the tank from corrosion e The heat exchanger in the domestic hot water tank is a coil welded in side the tank made of smooth piping Its external surface which comes into contact with drinking water is enamelled e The domestic hot water tank is insulated by Chlorofluorocarbon free pol yurethane foam which helps to keep heat losses to a minimum The heat pumps in the MIV 4 range extract the heat found in the air to re store it to the heating and or domestic hot water circuit via the refrigerant fluid The efficiency of a heat pump is expressed in the form of a coeffi cient of performance COP defined as the ratio between the he
30. aintenance of the heat pump CLOSED defective B33 HEAT PUMP Heat pump return tempera Contact the professional responsible for maintenance of the heat pump RET T ture sensor defective OPEN B34 HEAT PUMP Heat pump return tempera Contact the professional responsible for maintenance of the heat pump RET T ture sensor defective CLOSED B37 TOP DHW S Top domestic hot water Contact the professional responsible for maintenance of the heat pump OPEN temperature sensor defec tive B38 TOP DHW S Top domestic hot water Contact the professional responsible for maintenance of the heat pump CLOSED temperature sensor defec tive B42 WATER Pressure lower than the Contact the professional responsible for maintenance of the heat pump PRESSURE minimum pressure ERROR B43 HEAT PUMP Heat pump outdoor unit de Contact the professional responsible for maintenance of the heat pump FAULT fective B44 FUNCTION No communication with the Contact the professional responsible for maintenance of the heat pump AL DEVICE PCB SMS 04 DISCON NECTED B45 NON CRITI No communication with the Contact the professional responsible for maintenance of the heat pump CAL DEVICE PCB SMS 04 DISCON NECTED 46 MIV 4 7623746 v02 03072015 Tab 23 List of errors 8 Troubleshooting Code Message Description Check E39 LOCK The BL input opened for a Contact the professional responsible for maintenance of the heat pump DOWN IN short
31. al e The pressure limiter device safety valve or safety unit must be regularly operated in order to remove limescale deposits and ensure that it is not blocked e A pressure limiter device must be fitted to a dis charge pipe e As water may flow out of the discharge pipe the pipe must be kept open to the open air in a frost free environment and at a continuous downward gradient Caution A pressure reducer not provided is required when the supply pressure exceeds 80 of the safety valve or safety unit calibration and must be located up stream of the appliance Caution There must be no cut off devices between the safety valve or unit and the domestic hot water tank Electrical safety Caution A disconnection device must be fitted to the perma nent pipes in accordance with installation rules Caution If a power cord comes with the appliance and it turns out to be damaged it must be replaced by the manu facturer its after sales service or persons with similar qualifications in order to obviate any danger Caution Install the appliance in accordance with national rules on electrical installation Caution If the appliance is not wired in the factory carry out the wiring according to the wiring schematics descri bed in the chapter Electrical Connections Installation and Service Manual 7623746 v02 03072015 MIV 4 7 1 Safety 1 2 Recommendations 8 MIV 4 Caution This appliance must be connected
32. armer climate conditions kW 3 3 4 5 6 6 Space heating Annual energy consumption under colder kWh 2757 887 3721 1492 4621 1904 warmer climate conditions GJ Water heating Annual energy consumption under colder kWh 1432 664 1432 664 1432 664 warmer climate conditions GJ Seasonal space heating energy efficiency under colder warm 120 195 116 172 119 169 er climate conditions Water heating energy efficiency under colder warmer climate 72 00 72 00 154 00 72 00 conditions 154 00 154 00 Sound power level Lwa outdoors dB 64 65 65 1 For gas heat pumps only 2 Ifapplicable 3 Electricity 4 Fuel Tab 26 Product fiche for heat pump combination heaters MIV 4 MIV 4 AWHP 11 MR 2 AWHP 16 MR 2 Space heating Temperature application Medium Medium Water heating Declared load profile L L Seasonal space heating energy efficiency class under average climate a conditions Water heating energy efficiency class under average climate conditions E D Rated heat output under average climate conditions Prated or Psup kw 6 8 Space heating Annual energy consumption under average climate con kWh 3783 5184 ditions GJ 54 MIV 4 7623746 v02 03072015 13 Appendix MIV 4 MIV 4 AWHP 11 MR 2 AWHP 16 MR 2 Water heating Annual energy consumption under average climate con kWh 968 968 ditions GJ Seasonal space heating energy
33. at provi ded and the power consumed The heat pump comprises an evaporator a compressor a condenser and an expansion valve The indoor module includes the condenser The other components evaporator compressor and expansion valve are located in the outdoor unit 1 The refrigerant fluid in this circuit is converted from the liquid state to the gaseous state in the evaporator making it possible to recover heat from the air 2 The compressor increases the fluid pressure which thus increases the temperature 3 In the condenser the fluid transfers the heat to the heating circuit while converting to the liquid state 4 The refrigerant passes through the thermostatic expansion valve and returns to the initial state at low pressure and low temperature before returning to the evaporator MIV 4 23 4 Description of the product Fig 4 General operating principle MW 6000391 1 1 Evaporator fin battery in the outdoor unit 5 Electrical energy 2 Compressor 6 Heating water 3 Condenser plate exchanger in the indoor module 7 Energy flow 4 Electronic expansion valve 8 Heat recovered from the environment 4 3 Main components Fig 5 Main components 1 Control panel access flap 2 Control panel 3 ON OFF button MW 2000333 1 24 MIV 4 7623746 v02 03072015 4 Description of the product 4 4 Control panel description 4 4 1 Description of the keys Fig 6 Control panel keys
34. ater production running JK Heating function disabled FR Domestic hot water function disabled m Hydraulic pressure in the system ll Steady symbol displayed when indicating the system s hydraulic pressure value Flashing symbol pressure in the system too low XXX Pressure value in the system in bars m Cooling mode Steady symbol cooling mode on Flashing symbol cooling request pending 7623746 v02 03072015 Fig 14 Menu display 1 NANA A N IN IN IN IN AN MW 1000086 5 Fig 15 Temperature sensors MW 5000014 2 Fig 16 Other Information MW 5000038 2 7623746 v02 03072015 4 Description of the product m Menu display oP 2 ta O AMIE Information menu displays the measured values and the statuses of the appliance User menu provides access to the User level setting parameters Installer menu provides access to the Installer level setting param eters Manual Forcing menu the appliance runs at the set point dis played the pumps operate and the 3 way valves are not controlled Malfunction menu the appliance has malfunctioned This informa tion is signalled by an error code and a flashing display Hour run meters menu Timer Program menu Clock menu Timer program for Mondays Timer program for Tuesdays Timer program for Wednesdays Timer program for Thursdays Timer program for Fridays Timer program for Saturdays Timer program
35. cription Check B10 PSU Internal error Contact the professional responsible for maintenance of the heat pump B11 AWAITING The hybrid system has not Contact the professional responsible for maintenance of the heat pump CONFIGU been configured RATION NUMBER B13 DHWT Bottom domestic hot water Contact the professional responsible for maintenance of the heat pump OPEN temperature sensor defec tive B14 DHWT Bottom domestic hot water Contact the professional responsible for maintenance of the heat pump CLOSED temperature sensor defec tive B18 RESET Reset under way RUNNING B19 HEAT Heat pump flow temperature Contact the professional responsible for maintenance of the heat pump PUMP FLT sensor defective OPEN B20 HEAT PUMP Heat pump flow temperature Contact the professional responsible for maintenance of the heat pump FLT sensor defective CLOSED B24 SYSTEM Insufficient flow rate Contact the professional responsible for maintenance of the heat pump FLOW RATE ERROR B26 FLTOPEN Hybrid system flow sensor Contact the professional responsible for maintenance of the heat pump defective B27 FLT Hybrid system flow sensor Contact the professional responsible for maintenance of the heat pump CLOSED defective B29 OUTSIDE T Outside temperature sensor Contact the professional responsible for maintenance of the heat pump OPEN defective B30 OUTSIDE T Outside temperature sensor Contact the professional responsible for m
36. does not work if the heat pump is switched off Caution If the home is unoccupied for a long period and there is a risk of frost drain the indoor module and the heat ing system Note Keep the heat pump accessible at all times Note Never remove or cover labels and data plates affixed to the appliances Labels and data plates must be legible throughout the entire lifetime of the appliance Immediately replace damaged or illegible instructions and warning stickers Note Remove the casing only to perform maintenance and repair work Put the casing back in place after mainte nance and repair work Caution Give preference to the W or 24 mode rather than switching off the system to leave the following func tions running e Anti blocking of pumps e Frost Protection Note Regularly check the presence of water and pressure in the heating installation Note Keep this document close to the place where the ap pliance is installed Caution Do not make any modifications to the heat pump with out the written consent of the manufacturer Caution Do not neglect to service the heat pump Contact a qualified professional or subscribe to a maintenance contract for the annual servicing of the heat pump MIV 4 9 1 Safety 1 3 Specific safety instructions Tab 1 Composition of R 410A fluid A Warning Refrigerant fluid and pipes e Use only R410A refrigerant fluid to fill the installa tion e Use tools and pipe c
37. e name of the PCB is displayed Check that it is actually the PCB on which the setting must be made 1 Select the shut down mode by pressing the MODE key twice 2 Select heating mode by pressing the key Confirm by pressing the lt key 3 Select the heating shut down pressing the key Confirm by press ing the lt key The screen displays OFF Note i If you press the key the appliance starts up again ON is dis played The frost protection function continues to run The heating has been shut down 4 Go back to the main display by pressing the ES key Note i The display disappears after a few seconds inactivity MIV 4 31 5 Operation Fig 31 Selecting the shut down mode MW 5000135 1 Fig 32 Confirming domestic hot water pro duction mode Fig 33 Stopping domestic hot water produc 32 tion MIV 4 MW 5000028 2 5 3 2 Stopping domestic hot water production Note The name of the PCB is displayed Check that it is actually the PCB on which the setting must be made 1 Select the shut down mode by pressing the MODE key twice 2 Select domestic hot water production mode pressing the key Confirm by pressing the lt key 3 Select domestic hot water production shut down by pressing the key Confirm by pressing the lt key Note i If you press the key the boiler starts up again ON is dis played The frost protection function continu
38. en O O O OK O N O OOO ONNAN lt gt gt gt gt 00 O oO cO le 5 NY F o Wrist oO ul gt gt O De Dietrich Sustainable Comfort mm SS SS SS RE 5 IL GAS SOLAR A SOLID FUEL gue HEAT PUMPS CONDENSING 0 Dear customer Thank you for purchasing this appliance Please read this manual carefully before using the product and keep it in a safe place for future reference In order to ensure continued safe and efficient operation we recommend that the product is regularly maintained Our Service and After Sales organization can assist with this We hope you will receive many years of satisfactory service Contents Contents D MO eax u Pe os nde CONN masu sama am Bs il ide taie senti RE ea HREM ou 5 1 1 General safety instructions 5 1 2 RecommendatiOns uy r ul u a annee riens es a SIN M mures ide died 8 1 3 Specific safety instructions 10 1 3 1 Refrigerant fluid R410A 00 aras IE ew kaw nate 8 ste eh ae 10 1A able n y T Su Lote eee ee a ak See patu ina eras Od ke eb hoe ta esia qusa ma 12 141 Manufacturer s liabilily ti a Tina assauts 12 142 Installers lability i escoegtad awd oy dered ENNEMI TS cede awake eee 12 1 4 3 Users liabillly re see ohne kusa aasma wiku saa W u SQ ERA Na en ee eae
39. enu Manual Forcing menu Failure menu Ele BI 4 gt g Hour run meters sub menu Timer Program sub menu Clock sub menu 6 1 2 Information Menu Certain parameters are displayed according to certain system configurations according to the options circuits or sensors actually connected Parameters Description Unit AM012 Status AM014 Sub Status HMO01 Heat pump flow temperature C HM002 Heat pump return temperature C DM001 Domestic hot water tank temperature bottom position G DM006 Domestic hot water tank temperature bottom position C AM027 Outside temperature C AM056 Flow rate in the system l min PMOO2 Heating temperature set point C PM001 Calculated heating set point C AM019 Hydraulic pressure MPa bar AM010 Pump rotation speed in comparison with maximum speed CM030 Room temperature measured CM190 Desired room temperature set point C Tab 16 List of parameters 6 1 3 User menu Certain parameters are displayed according to certain system configurations according to the options circuits or sensors actually connected Parameters Description Factory setting Customer setting AP015 Cooling mode operation 0 0 OFF 1 ON 34 MIV 4 7623746 v02 03072015 6 Settings e 0 Program e 1 Manual e 2 F
40. erature heat pump Tab 13 Technical parameters for heat pump combination heaters parameters declared for medium temperature application Product name MIV 4 MIV 4 MIV 4 AWHP 4 MR AWHP 6 MR 2 AWHP 8 MR 2 Air to water heat pump Yes Yes Yes Water to water heat pump No No No Brine to water heat pump No No No Low temperature heat pump No No No Equipped with a supplementary heater Yes Yes Yes Heat pump combination heater Yes Yes Yes Rated heat output under average conditions Prated kW Rated heat output under colder conditions Prated kW Rated heat output under warmer conditions Prated kW 3 6 Declared capacity for heating for part load at indoor temperature 20 C and outdoor temperature 7 T 7 C Pdh kW 2 9 3 5 5 6 T 2 C Pdh KW 3 5 4 5 6 1 T 7 C Pdh KW 3 9 4 8 6 4 T 12 C Pdh kW 4 8 5 2 6 7 T bivalent temperature Pdh kW 2 8 3 6 5 6 7 operation limit temperature Pdh kW 2 8 3 6 5 6 Bivalent temperature T hiv C 10 10 10 Degradation coefficient Cah 1 0 1 0 1 0 Seasonal space heating energy efficiency under Ns 150 137 136 average conditions Seasonal space heating energy efficiency under Ns 120 116 119 colder conditions Seasonal space heating energy efficiency under Ns 195 172 169 warmer conditions Declared coefficient of performance or primary en ergy ratio for part load at
41. es to run Production of domestic hot water has been shut down 4 Go back to the main display by pressing the ES key Note i The display disappears after a few seconds inactivity 5 3 3 Shutting down the cooling function Note The name of the PCB is displayed check that it is actually the PCB on which the setting must be made 1 Access the User menu 7623746 v02 03072015 5 Operation Fig 34 Cooling function 2 Select the AP015 cooling parameter by pressing the lt or key and confirm by pressing the lt key 3 Select cooling function shut down by pressing the key and con firm by pressing the key 4 Go back to the main display by pressing the SI key MW 6000365 1 5 4 Frost Protection If the temperature of the heating water in the heat pump falls too much the integrated protection device switches itself on This device functions as follows If the water temperature is lower than 5 C the circulating pump starts up If the water temperature is lower than 3 C the back up starts up If the water temperature is higher than 10 C the back up shuts down and the circulating pump continues to run for a short time The radiator valves in rooms where there is a risk of frost must be fully open 7623746 v02 03072015 MIV 4 33 6 Settings 6 Settings 6 1 List of parameters Tab 15 List of parameters 6 1 1 Menu List Information menu User menu Installer m
42. f the display u uu veel a dpe ey he eee eee A Sa Be Pe pa 25 5 Operators susu pong e A POEMS eRe ea 0 mapasa sa ee eae eee sean 28 54 Use of the controll panel sisi id awaq W a as sakik eee A Se eer 28 5 1 1 Browsingin the MSN US eri IR see ewe eae oe ale Sahel a RUES 28 5 1 2 Accessing the User MDU sio o uu iad id d Bea eee ddan and aa deeded ered s 29 5 1 3 Accessing the Hour Run Meters Timer Program Clock sub menus 30 52 StartUp u uu crane ee ee i Gobet iaia a a pica gu deed gw ewanh ews raaa aaa aaa wares elena 30 5 3 Sh td WIt s u ts crate es k Waaa Eu Sa any a kha Sait Th R Sua K aa k E a a a a a 31 5 3 1 Switching off the heating ecse sese 4442424 eue dur dense AEE ee eS bebe be Gedo done 31 5 3 2 Stopping domestic hot water production 32 5 3 3 Shutting down the cooling function 000 0002 bee bee ee be ee eee debe eee deu 32 S4 FHOSt Protection SES a Seed eee aie a to Beas 33 6 SOUINGS cita hyn ack wd Sk edema Alas Me ae hema ceca AA eee ene eee 34 641 List Of param terss 2 vices ed bor ee nbs rl A ARS ek nae he ed eee RUE qa aq shaq 34 6 1 1 Menu LiSt sss qa Un ds vids pandas cided di nh Qa ieee dad laa deere 34 6 1 2 Information MEDU Ls u un uu o a tai m me iii 34 6 1 3 USER MENU cica sais danse he ua Qa sa are a Cuna asa Er eue ap man Sia Ca Eddie 34 6 1 4 PCB parameters for the PCB sensor kit for circuits with mixing valve
43. indoor temperature 20 C and outdoor temperature 7 T 7 C COPd 1 82 1 89 1 95 T 2 C COPd 3 88 3 53 3 49 T 7 C COPd 5 57 4 74 4 57 T 12 C COPd 9 33 7 08 6 33 T bivalent temperature COPd 1 47 1 52 1 63 T operation limit temperature COPd 1 47 1 52 1 63 Operation limit temperature for air to water heat TOL C 10 10 10 pumps Heating water operating limit temperature WTOL C 60 60 60 Electrical power consumption Off mode Pore kW 0 009 0 009 0 009 Thermostat off mode Pro kW 0 049 0 049 0 049 Stand by Psg kW 0 013 0 013 0 013 Crankcase heater mode Pek kW 0 055 0 055 0 055 7623746 v02 03072015 MIV 4 19 3 Technical specifications Product name MIV 4 MIV 4 MIV 4 AWHP 4 MR AWHP 6 MR 2 AWHP 8 MR 2 Supplementary heater Rated heat output Psup kW 0 0 0 0 0 0 Type of energy input Electricity Electricity Electricity Other characteristics Capacity control Variable Variable Variable Sound power level indoors outdoors Lwa dB 53 64 53 65 53 65 Annual energy consumption under average con QHE kWh 1489 2124 3316 ditions Annual energy consumption under colder condi Que kWh 2757 3721 4621 tions Annual energy consumption under warmer condi Qye kWh 887 1492 1904 tions Rated air flow rate outdoors for air to water heat m3 h 2100 2100 3300 pumps Declared load profile L L Daily electricity consumption Qelec kWh 4 816 4
44. ion heater Tab 29 Package efficiency temperature regulator heat pump MIV 4 MIV 4 MIV 4 MIV 4 MIV 4 AWHP 4 AWHP 6 AWHP 8 AWHP 11 AWHP 16 MR MR 2 MR 2 MR 2 MR 2 IniControl 2 152 139 138 134 132 7623746 v02 03072015 MIV 4 57 13 Appendix 13 4 Package fiche Combination heaters boilers or heat pumps Fig 57 Package fiche for combination heaters boilers or heat pumps indicating the water heating energy efficiency of the package Water heating energy efficiency of combination heater Declared load profile Solar contribution from fiche of solar device 1 1 x P 10 x IP Da electricity Water heating energy efficiency of package under average climate Water heating energy efficiency class of package under average climate P x lt 27 lt 27 lt 27 lt 28 227 227 227 228 230 230 230 232 233 234 235 236 236 237 238 240 239 250 255 260 265 275 280 285 2100 2115 2123 2131 2130 2150 2160 2170 BD D B D D PP D D D 2163 2188 2200 2213 Water heating energy efficiency under colder and warmer climate conditions Colder Warmer
45. itched on e Check the fuses and switches on the electrical installation The water pressure is too low lt 1 bar Top up the system with water An error code appears on the display Correct the error if possible The heat pump runs short cycling in do mestic hot water mode The water pressure is too low lt 1 bar Clicking in the central heating pipes The temperature set point is too low Not enough water in the installation Increase the set point Top up the system with water Water leak The central heating pipe clamps are too tight Contact the installer Contact the installer There is air in the heating pipes It is essential that you vent any air in the domestic hot water tank the pipes and the taps to prevent the annoying noises likely to be produced during heating or when drawing off water The water is circulating too quickly in the central heat ing system Contact the installer Significant water leak underneath or in the vicinity of the heat pump 7623746 v02 03072015 The pipes on the heat pump or the central heat ing are damaged Contact the installer MIV 4 49 9 Decommissioning 9 Decommissioning 9 1 Decommissioning procedure To decommission the heat pump temporarily or permanently 1 Contact the installer 50 MIV 4 7623746 v02 03072015 10 Disposal 10 1 Disposal and Recycling Fig 55 Recycling MW
46. ith hydraulic back up C 90 Maximum operating temperature Version with electrical back up C 75 Minimum operating temperature C 7 Maximum operating pressure MPa bar 0 3 3 0 Exchanger capacity Litres 11 3 Exchange surface m 1 7 Tab 9 Technical specifications secondary circuit domestic water Specification Unit Value Maximum operating temperature C 80 Minimum operating temperature C 10 Maximum operating pressure MPa bar 1 0 10 0 Water capacity Litres 177 Tab 10 Common specifications AWHP AWHP V220 AWHP 4 MR AWHP 6 MR 2 AWHP 8 MR 2 AWHP 11 MR 2 AWHP 16 MR 2 AWHP 11 TR 2 AWHP 16 TR 2 Loading time 1 1 hour 54 minutes 1 hour 41 minutes 2 hours 11 minutes 1 hour 33 minutes 1 hour 11 minutes Coefficient of per 2 45 2 29 2 47 2 34 2 27 formance domestic hot water COPpyw 2 1 AT 55 K Outside temperature 7 C Inside air temperature 20 C 2 According to the standard EN16147 3 2 3 Weight Tab 11 Indoor module Weight empty Unit MIV 4 E 4 8 V200 MIV 4 E 11 16 MIV 4 H 4 8 V200 MIV 4 H 11 16 V200 V200 Indoor module kg 131 133 128 130 Tab 12 Outside unit Weight Unit AWHP 4 AWHP 6 AWHP 8 AWHP 11 AWHP 11 AWHP 16 AWHP 16 empty MR MR 2 MR 2 MR 2 TR 2 MR 2 TR 2 Outside unit kg 42 42 75 118 130 118 130 18 MIV 4 7623746 v02 03072015 3 Technical specifications 3 2 4 Combination heaters with medium temp
47. ke to thank you for buying one of our appliances and for your trust in our product In order to ensure continued safe and efficient operation we recommend that the product is regularly inspected and maintained Your installer and our service department can assist with this This appliance comes with a warranty that covers all manufacturing faults the warranty period will commence on the date of purchase stated on the installer s invoice As a manufacturer we can by no means be held liable if the appliance is used incorrectly is poorly maintained or not maintained at all or is not in stalled correctly it is your responsibility to ensure that installation is carried out by a qualified installer In particular we cannot be held liable for material damage intangible los ses or physical injury resulting from an installation that does not comply with Legal or regulatory requirements or provisions laid down by the local au thorities e National or local regulations and special provisions relating to the instal lation e Our manuals and installation instructions in particular in terms of regular maintenance of the appliances Our warranty does not cover replacement or repair costs for parts that may become defective due to normal wear incorrect usage the intervention of unqualified third parties inadequate or insufficient supervision or mainte nance a mains supply that is not appropriate or the use of unsuitable or poor
48. let temperature of 55 C 7623746 v02 03072015 MIV 4 55 13 Appendix Fig 56 Package fiche for medium temperature heat pumps indicating the space heating energy efficiency of the package Seasonal space heating energy efficiency of heat pump O T Temperature control Class 1 Class II 2 Class III 1 5 f Class IV 2 Class V 3 Class VI 4 from fiche of temperature control Class VII 3 5 Class VIII 5 Supplementary boiler space heating energy efficiency in J from fiche of boiler E J r yx r Solar contribution a Tank rating from fiche of solar device B 0 86 C 0 83 HP x 7 IV x 0 45 x Jno x 1 If tank rating is above A use 0 95 A 0 95 0 91 size in m J i volume in m J CS efficiency in J Seasonal space heating energy efficiency of package under average climate Seasonal space heating energy efficiency class of package under average climate a E E 0 0 0 0 0 0 U0 D D B D D DDD D ES lt 30 230 234 236 275 282 290 298 2125 2150 Seasonal space heating energy efficiency under colder and warmer climate conditions The energy efficiency of the package of products provided for in this fiche may not correspond to its actual energy efficiency once installed in a building as this efficiency is influenced by further factors such as
49. ng the or key until the icon dedicated to the desired day flashes Confirm by pressing the lt key Day selected Description WE B a 5 6 every day of the week l Monday 2 Tuesday 3 Wednesday Td 4 Thursday MW 5000140 1 5 Friday 6 Saturday Sunday 7623746 v02 03072015 MIV 4 41 6 Settings Note The key is used to move to the right Note The key is used to move to the left Fig 49 Setting the time 5 Set the start time for the period S1 by pressing the or key Confirm by pressing the lt key Note No setting 10 minutes The END setting determines the end time MW 5000142 1 6 Select status C1 corresponding to the S1period by pressing the or key Confirm by pressing the key Statuses C1 to C6 for the peri Description ods S1 to S6 ON comfort mode activated OFF reduced mode activated Mw s000143 7 Repeat steps 3 to 5 to define the comfort periods S1 to S6 and the associated C1 statuses to C6 _ 8 Go back to the main display by pressing the ESC key Example Times S1 C1 2 C2 S3 C3 S4 C4 S5 C5 S6 C6 06 00 22 00 06 00 ON 22 00 OFF END 06 00 08 00 06 00 ON 08 00 OFF 11 30 ON 13 30 OFF END 11 30 13 30 06 00 08 00 06 00 ON 08 00 OFF 11 30 ON 14 00 OFF 17 30 ON 22 00 OFF 11 30 14 00 17 30 22 00
50. njuries AN Caution Do not drain the installation except in cases of absolute necessi ty E g several months absence with the risk of temperatures in the building falling below freezing 7 3 Standard inspection and maintenance operations 7623746 v02 03072015 An annual inspection with tightness check is obligatory Schedule a serv ice by a qualified professional at a cold time of the year to check the fol lowing points 1 Have a qualified professional check that the installation is perform ing correctly at each periodic service 2 Have a qualified professional check the heat output by measuring the difference in temperature between heating flow and return 3 Have a qualified professional check the safety thermostat settings MIV 4 43 7 Maintenance 7 4 Cleaning the casing 1 Clean the outside of the appliance using a damp cloth and a mild detergent 44 MIV 4 7623746 v02 03072015 8 Troubleshooting 8 1 Fig 51 Error messages Restarting the appliance MW 5000060 2 Fig 52 Error code display NY NY NY NY IN IN IN AN Tab 21 List of alerts MW 5000061 2 8 Troubleshooting 1 Press RESET for 3 seconds to restart the appliance Note The previous codes are displayed alternately In economy mode the appliance will not run a domestic hot water heating cycle after a central heating cycle 2 Briefly press the lt key to display the current operating status on the screen
51. nsumption under colder condi Qye kWh 3804 5684 tions Annual energy consumption under warmer con Qyg kWh 2580 4120 ditions Rated air flow rate outdoors for air to water heat m3 h 6000 6000 pumps Declared load profile L L Daily electricity consumption Qelec kWh 4 816 4 816 Annual electricity consumption AEC kWh 968 968 Water heating energy efficiency Nwh 106 00 106 00 Daily fuel consumption Qhel kWh 0 000 0 000 Annual fuel consumption AFC GJ 0 0 1 The rated heat output Prafed is equal to the design load for heating Pdesignh and the rated heat output of a supplementa ry heater Psup is equal to the supplementary capacity for heating sup 7 2 If Cdhis not determined by measurement the default degradation coefficient is Cah 0 9 7623746 v02 03072015 MIV 4 21 3 Technical specifications See The back cover for contact details 3 2 5 Circulating pump Note i The benchmark for the most efficient circulating pumps is EEI lt 0 20 22 MIV 4 7623746 v02 03072015 4 Description of the product 4 1 4 2 General description Operating principle 7623746 v02 03072015 4 Description of the product The MIV 4 heat pump comprises an indoor module including a domestic hot water tank and a control panel e A reversible outdoor unit for energy production in heating or cooling mode Back up is possible e Either via an immersion heater that can be set to 3 6 or 9 k
52. of refrigerant fluid maximum operating pressure and output absorbed by the indoor module 2 Information on the domestic hot water tank volume maximum op erating pressure and standby losses of the domestic hot water tank 3 Information on the electrical back up power supply and maximum output only for versions with electrical back up 4 Before installing and commissioning the appliance carefully read the instruction manuals provided 5 Dispose of used products in an appropriate recovery and recycling structure 7623746 v02 03072015 Fig 3 Symbols used on the connection la bel 2 We Mie 11 CR 13 913 7623746 v02 03072015 MW 6000285 1 O O1 N 2 About this manual Sensor cable low voltage Power cord 230 V Heating circuit flow Circuit B flow Heating circuit return Circuit B return optional Connection for recirculation Domestic hot water outlet Flow to boiler back up only for versions with hydraulic back up Return from boiler back up only for versions with hydraulic back up Domestic cold water inlet Drain valve Safety valve 38 refrigerant fluid connection liquid line 5 g refrigerant fluid connection gas line MIV 4 15 3 Technical specifications 3 Technical specifications 3 1 Homologations 3 1 1 Directives This product complies with the requirements of the following European Di rectives and Standards e Low Voltage Directive 2006 9
53. omponents especially designed for use with R410A refrigerant fluid e Use copper pipes deoxidised with phosphorus to carry the refrigerant fluid e Store the refrigerant connection pipes away from dust and humidity risk of damage to the compres sor e Do not use a load cylinder Protect the heat pump components including the in sulation and structural elements Do not overheat the pipes as brazed components may cause dam age Contact between the refrigerant fluid and a flame may result in emissions of toxic gases 1 3 1 Refrigerant fluid R410A Hazard identification Effects harmful to health The vapours are heavier than air and may lead to asphyxia owing to reduced oxygen levels e Liquefied gas contact with the liquid may cause serious frost burn and eye injuries e Product classification this product is not classified as a hazardous preparation according to European Union reg ulations If the R410A refrigerant is mixed with air it may cause pres sure surges in the refrigeration pipes and lead to an explo sion and other hazards Composition of Information on the ingredients Chemical nature R 410A is composed of Difluoromethane R32 and Pentafluoroethane R125 Name Proportion Number CE Number CAS Difluoromethane R32 50 200 839 4 75 10 5 Pentafluoroethane R125 50 206 557 8 354 33 6 10 MIV 4 The Global Warming Potential of R410A gas is 2087 5 7623746 v02 03072015
54. period of time PUT E53 SYSTEM Heating water flow rate too Contact the professional responsible for maintenance of the heat pump FLOW low LOCK DOWN Tab 24 List of error codes 8 1 2 PCB error codes on the PCB sensor kit for circuits with mixing valve An error code is a temporary boiler status resulting from the detection of an anomaly The control panel attempts automatic restart of the boiler until it ignites Error code Message Description B00 PARAMETER ERROR Bad configuration of the PCB parameters B17 CONFIGURATION Boiler not configured the CU PCB has been changed ERROR B18 PSU Memory error e Software change software number or version parameter inconsistent with the mem ory B19 WAITING FOR Boiler not configured the CU PCB has been changed CONFIGURATION NUMBER B25 SENS T OUTSIDE No outside sensor CLOSED e Bad connection SENS T OUTSIDE Check the wiring between the CU PCB and the sensor OPEN Check whether the outside sensor has been correctly fitted e Sensor failure Check the Ohmic value of the sensor Replace the sensor if necessary B27 SENS DHW OPEN No domestic hot water sensor SENS DHW CLOSED Bad connection Check the wiring between the CU PCB and the sensor Check that the sensor has been correctly fitted e Sensor failure Check the Ohmic value of the sensor Replace the sensor if necessary B28 RESET IN PROGRESS Reset under way B33 SE
55. quality fuel Smaller parts such as motors pumps electrical valves etc are guaran teed only if these parts have never been dismantled The rights established in European Directive 99 44 EEC implemented by legal decree No 24 of 2 February 2002 and published in Official Journal No 57 of 8 March 2002 remain in force MIV 4 53 13 Appendix 13 Appendix 13 1 Product data sheet Tab 25 Product data sheet for heat pump combination heaters tions MIV 4 MIV 4 MIV 4 AWHP 4 MR AWHP 6 MR 2 AWHP 8 MR 2 Space heating Temperature application Medium Medium Medium Water heating Declared load profile L E E Seasonal space heating energy efficiency class under average E E E climate conditions Water heating energy efficiency class under average climate A conditions E D D Rated heat output under average climate conditions Prated or kW 3 4 6 Psup Space heating Annual energy consumption under average cli kWh 1489 2124 3316 mate conditions GJ Water heating Annual energy consumption under average cli kWh 968 968 968 mate conditions GJ Seasonal space heating energy efficiency under average cli 150 137 136 mate conditions Water heating energy efficiency under average climate condi 106 00 106 00 106 00 Sound power level Lwa indoors dB 53 53 53 Ability to off peak hours functioning No No No Rated heat output under colder w
56. radation coefficient Cah 1 0 1 0 20 MIV 4 7623746 v02 03072015 3 Technical specifications Product name MIV 4 MIV 4 AWHP 11 MR 2 AWHP 16 MR 2 Seasonal space heating energy efficiency under Ns 132 130 average conditions Seasonal space heating energy efficiency under Ns 113 113 colder conditions Seasonal space heating energy efficiency under Ns 167 161 warmer conditions Declared coefficient of performance or primary en ergy ratio for part load at indoor temperature 20 C and outdoor temperature 7 T 7 C COPd 1 82 1 88 T 2 C COPd 3 43 3 33 T 7 C COPd 4 54 4 34 T 12 C COPd 6 24 5 82 T bivalent temperature COPd 1 45 1 54 7 operation limit temperature COPd 1 45 1 54 Operation limit temperature for air to water heat TOL C 10 10 pumps Heating water operating limit temperature WTOL C 60 60 Electrical power consumption Off mode Porr kW 0 009 0 009 Thermostat off mode Pro kW 0 049 0 049 Stand by Psg kW 0 013 0 013 Crankcase heater mode Pek kW 0 055 0 055 Supplementary heater Rated heat output Psup kW 0 0 0 0 Type of energy input Electricity Electricity Other characteristics Capacity control Variable Variable Sound power level indoors outdoors Lwa dB 53 69 53 69 Annual energy consumption under average con Qye kWh 3783 5184 ditions Annual energy co
57. ressure is too low lt 1 bar Top up the installation with water There is no domestic hot water The domestic hot water set point temperature is too low Increase the value of parameter EX The domestic hot water mode is deactivated The appliance is in re duced domestic hot water mode Activate the domestic hot water mode Check and modify the comfort and reduced time ranges for the domestic hot water The energy saving shower head is restricting the wa ter flow Clean the shower head replace it if necessary The heat pump is not op erating e Check that the heat pump is switched on e Check the fuses and switches on the electrical installation The water pressure is too low lt 1 bar Top up the installation with water Significant variations in domestic hot water temperature Insufficient water supply s Check the water pressure in the installation Open the valve The domestic hot water hysteresis is too high Lower the value of the hysteresis parameter in the installer menu 48 MIV 4 7623746 v02 03072015 8 Troubleshooting Problems Probable causes Corrections The heat pump does not work The heating set point tem perature is too low Increase the value of parameter or if a room thermostat is connec ted increase the temperature on it The heat pump is not op erating e Check that the heat pump is sw
58. rost protection mode Parameters Description Factory setting Customer setting AP016 Central heating operation 1 0 OFF 1 ON AP017 Domestic hot water tank operation 1 0 OFF 1 ON AP073 SUMMER WINTER set point switch 22 C e Can be set from 15 to 30 C e Set to 30 5 C function deactivated AP074 SUMMER override 0 0 OFF 1 ON CP040 Post operation time of the generator pump 4 minutes Can be set from 0 to 20 minutes CP071 Room temperature set point in reduced mode 16 C Can be set from 5 to 30 C CP072 Room temperature set point in comfort mode 20 C Can be set from 5 to 30 C CP073 Not available on this version CP074 Not available on this version CP075 Not available on this version CP076 Not available on this version CP140 Set point cooling activity zone 1 30 C Can be set from 20 to 30 C CP141 Set point cooling activity zone 2 25 C Can be set from 20 to 30 C CP142 Set point cooling activity zone 3 25 C Can be set from 20 to 30 C CP143 Set point cooling activity zone 4 25 C Can be set from 20 to 30 C CP144 Set point cooling activity zone 5 25 C Can be set from 20 to 30 C CP145 Set point cooling activity zone 6 25 C Can be set from 20 to 30 C CP320 Circuit operating mode 0 e 0 Timer program e 1 Manual e 2 Frost protection CP570 Not available on this version DP020 Post circulation time of the reversal valve after domestic hot 3 minutes water production
59. should be taken to ensure that children do not play with the appliance Danger of electric shock Before any work switch off all electricity supplies Caution Installation of the heat pump must be done by a quali fied professional in accordance with prevailing local and national regulations Warning Do not touch the refrigeration connection pipes with your bare hands while the heat pump is running Dan ger of burn or frost injury Warning Do not touch the radiators for long periods Depending on the heat pump settings the temperature of the ra diators may exceed 60 C Warning In order to limit the risk of being scalded the installa tion of a thermostatic mixing valve on the domestic hot water flow pipes is obligatory Take precautions with the domestic hot water De pending on the heat pump settings the domestic hot water temperature may exceed 65 C Caution Only genuine spare parts may be used Warning Only qualified professionals are authorised to work on the domestic hot water tank and the heating installa tion Note Insulate the pipes to reduce heat losses to the mini mum MIV 4 5 1 Safety MIV 4 Caution The system must satisfy each point in the rules in force in the country that govern works and interven tions in individual homes blocks of flats or other build ings Note Heating water and domestic water must not come into contact with each other Note Allow the space required
60. tion of the ap pliance Access the User menu Fig 35 Displaying the User menu 2 Select the desired parameter by pressing or to scroll through the list of parameters that can be adjusted 3 Confirm the selection by pressing 4 Modify the value of the parameter by pressing or 5 Confirm the new value of the parameter by pressing 6 Go back to the main display by pressing E MW 5000040 3 6 2 2 Activating the cooling function Note i The name of the PCB is displayed check that it is actually the PCB on which the setting must be made 1 Access the User menu Fig 36 Cooling function 2 Select the AP015 cooling parameter by pressing the or key and confirm by pressing the lt key MW 6000365 1 Fig 37 Confirmation 3 Select cooling function shut down by pressing the key and con firm by pressing the key 4 Go back to the main display by pressing EST 38 MIV 4 7623746 v02 03072015 Fig 38 Accessing the heating parameters MW 5000144 1 Fig 39 Confirming the heating circuit I se gt I lt MW 3000249 2 e Fig 40 Accessing the domestic hot water production parameters MW 6000254 1 7623746 v02 03072015 6 Settings 6 2 3 Setting the heating Note The name of the PCB is displayed Check that it is actually the PCB on which the setting must be made 1 Access the heating shut down pressing the llllkey twice Note i
61. to access the User menu Note i The User menu is available only if the f icon flashes 4 Press the or key until the desired parameter is displayed The parameters available to the User are displayed 5 Go back to the main display by pressing the EI key 5 1 3 Accessing the Hour Run Meters Timer Program Clock sub menus Note The name of the PCB is displayed Check that it is actually the PCB on which the setting must be made 1 Access the menus by pressing the two keys on the right simultane ously 2 Select the menu by pressing the or key until the icon flash es Confirm the selection by pressing the key Note i The Hour Run Meters Timer Program Clock sub menus can be accessed only if the icon flashes 3 Select the menu by pressing the or key until the desired sub menu is displayed Confirm the selection by pressing the key 4 Go back to the main display by pressing the ES key Switch on the outdoor unit and the indoor module simultaneously 2 The heat pump begins its start up cycle If the start up cycle runs normally an automatic venting cycle is initi ated Otherwise an error message is displayed 7623746 v02 03072015 5 3 Shutdown Fig 28 Selecting the shut down mode MW 5000133 1 Fig 30 Confirmation of heating shut down MW 5000134 1 7623746 v02 03072015 5 Operation 5 3 1 Switching off the heating Note i Th
62. to install the appliance cor rectly refer to the chapter Dimensions of the Appli ance Installation and Service Manual AN Caution Refrigerant safety Danger In the event of a refrigerant leakage 1 Switch off the appliance 2 Open the windows 3 Do not use a naked flame do not smoke do not operate electrical contacts 4 Avoid contact with the refrigerant Danger of frost injuries 5 Evacuate the property 6 Contact a qualified professional Hydraulic safety Caution The appliance is intended to be permanently connec ted to the domestic water mains network Caution Respect the minimum and maximum water inlet pres sure to ensure correct operation of the appliance re fer to the chapter Technical Specifications Caution Draining the appliance 1 Shut off the domestic cold water inlet 2 Open a hot water tap in the installation 3 Open a valve on the safety unit 4 When the water stops flowing the appliance has been drained Note For the domestic hot water operating temperature lim its refer to the chapter Technical Data Domestic Hot Water Tank 7623746 v02 03072015 1 Safety Note Setting the domestic hot water temperature set point refer to the chapter Setting the domestic hot water temperature set point Caution Pressure limiter device refer to the chapter Special precautions to be taken when connecting the domes tic hot water circuit Installation and Service Manu

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