Viessmann AWT-AC 241.A04 Installation And Service Instructions Manual Download Page 95

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External unit 10/13 kW, type AWT-AC 241.A10, 241.A13, 241.B10, 241.B13

M
K

Fan

Heat exchanger (evaporator)

Temperature sensor, air intake,
evaporator (OAT)

Evaporator temperature sensor
(OMT)

4-way diverter valve

Electronic expansion valve (EEV)

Compressor head temperature sen-
sor (CTT)

Liquid separator

Temperature sensor, refrigerant
inlet, evaporator (OCT)

Compressor

High pressure switch (pHi)

Troubleshooting

Repairs

(cont.)

5546 699 GB

Service

Summary of Contents for AWT-AC 241.A04

Page 1: ...ions for contractors VIESMANN Vitocal 242 S Type AWT AC 241 A04 to A13 B10 B13 Compact heat pumps split version for heating and cooling opera tion For applicability see the last page VITOCAL 242 S 554...

Page 2: ...g on this system National installation regulations Statutory regulations regarding the prevention of accidents Statutory regulations regarding envi ronmental protection Codes of practice of the releva...

Page 3: ...efective components must be replaced with genuine Viessmann spare parts Auxiliary components spare and wearing parts Please note Spare and wearing parts that have not been tested together with the sys...

Page 4: ...Service instructions Commissioning inspection maintenance Steps commissioning inspection and maintenance 63 Further details regarding the individual steps 65 Troubleshooting Repairs 88 Parts lists int...

Page 5: ...xternal unit 400 V type AWT AC 241 B10 B13 Ordering parts 127 Overview of assemblies 400 V 128 Casing external unit 400 V 129 Electrical equipment external unit 400 V 131 Hydraulics external unit 400...

Page 6: ...specific components has been carried out Commercial or industrial usage for a pur pose other than central heating cooling or DHW heating shall be deemed inap propriate Any usage beyond this must be ap...

Page 7: ...t 405 147 69 134 159 62 300 387 475 29 2051 2075 2047 600 680 61 111 454 564 666 506 A Opening for LV leads 42 V B DHW Preparing for installation Requirements regarding on site connections 5546 699 GB...

Page 8: ...uction from 10 to 6 mm is necessary down stream of the pipe bend reducer to supplied G Hot gas line 7 connection pipe supplied pipe bends 16 mm UNF thread For type AWT AC 241 A04 a reduction from 16 t...

Page 9: ...ection Without power OFF 3 x 1 5 mm2 With power OFF 5 x 1 5 mm2 Instantaneous heating water heater Cable cross section 400 V 5 x 2 5 mm2 230 V 7 x 2 5 mm2 Max cable length 25 m Type AWT AC 241 A04 241...

Page 10: ...installing the unit on sites exposed to the wind Incorporate the external unit into the lightning protection system Consider the heat emitted by the unit when planning your weatherproofing or an encl...

Page 11: ...tion site giving due consideration to the physical laws con cerning the propagation and reflection of sound Technical guide Heat pump principles Never install in interior corners in recesses or betwee...

Page 12: ...essible for example for mainte nance work See Minimum clearan ces Minimum clearances A B b d a c Example type AWT AC 241 A04 A Air intake B Air discharge Type AWT AC Dimensions in mm a b c d Cable ent...

Page 13: ...siting Please note Avoid damaging the appliance during transport Never put weight on top of the appliance Please note If the compressor in the external unit is strongly tilted lubricant will enter th...

Page 14: ...14 Floor mounting 2 1 4x 4x A B C E D A Support for floorstanding installation accessories Installation sequence Installing the external unit cont 5546 699 GB...

Page 15: ...sportation Never put weight on top of the appliance Installation room requirements Please note The installation room must be dry and free from the risk of frost Ensure ambient temperatures between 0 a...

Page 16: ...tion set accessory maintain a wall clearance of approx 80 mm Minimum room height h Installation h in mm Without connection set for pre installation DHW ac cessories 2250 With connection set for pre in...

Page 17: ...17 Removing the cylinder module 2x 3 1 4 5 2 Installation sequence Installing the internal unit cont 5546 699 GB Installation...

Page 18: ...18 6 8 P301 P501 P303 P302 F23 F6 X25 193B 193C 7 Installation sequence Installing the internal unit cont 5546 699 GB...

Page 19: ...19 SLP N 9 11 aCH sG lJ 10 Installation sequence Installing the internal unit cont 5546 699 GB Installation...

Page 20: ...20 X20 2x 16 17 2x 12 14 18 13 15 Installation sequence Installing the internal unit cont 5546 699 GB...

Page 21: ...21 2x 4x 4x 6x 21 19 20 22 Installation sequence Installing the internal unit cont 5546 699 GB Installation...

Page 22: ...22 2x 4x 23 24 26 25 Note Do not damage sealing tape A when removing the cylinder module Installation sequence Installing the internal unit cont 5546 699 GB...

Page 23: ...ibed on page 17 Please note Make tight hydraulic connec tions between the heat pump module and cylinder module Ensure diaphragm grommets C at the pipe outlets are seated correctly See diagram below Pl...

Page 24: ...llowing cases fit oil lift bends in the rising pipe In heating mode if the internal unit is installed higher than the external unit See diagram below In cooling mode if the internal unit is installed...

Page 25: ...30 m Max height differential internal unit external unit 10 m 15 m 15 m 15 m Note No topping up is required for line lengths between 3 and 12 m internal unit above external unit 5000 5000 A B D E C D...

Page 26: ...Internal unit below external unit or at same level C A B D Heating mode A Internal unit B Hot gas line C Liquid line D External unit Installation sequence Connecting refrigerant lines cont 5546 699 G...

Page 27: ...ant lines separately B C A D Note Only for 230 Vappliances A Pipe bends for compensating vibra tions B Tube clips with EPDM inserts C Line entry e g KG conduit with ther mal insulation D Cables leads...

Page 28: ...ure that no contamination e g metal swarf or moisture enters the copper pipes Therefore hold the pipe open ings downwards or tempora rily plug them Undo the nuts from connections C and D on the refrig...

Page 29: ...241 A10 Liquid line 7 10 mm UNF 33 to 42 Hot gas line 7 16 mm UNF 63 to 77 241 A13 Liquid line 7 10 mm UNF 33 to 42 Hot gas line 7 16 mm UNF 63 to 77 241 B10 Liquid line 7 10 mm UNF 33 to 42 Hot gas l...

Page 30: ...pes For this hold the pipe openings downwards or temporarily seal them with a plug Note The refrigerant lines of the internal unit are filled with nitrogen overpressure 2 bar 0 2 MPa If flanged Euro a...

Page 31: ...internal unit Secure the short side of the pipe bends to the connec tions Fit insulation to prevent heat and vapour diffusion Note The long side of the pipe bends must point upwards Pipe bends must n...

Page 32: ...ion piece twin connector with union nuts Note Flare the pipe end of the hot gas line by approx 0 5 mm Connection pieces must not be positioned diagonally Check the flared connections for firm seating...

Page 33: ...id line UNF for hot gas line over the refrigerant lines from the external unit Flare the refrigerant lines from the external unit Secure the refrigerant lines from the external unit onto the connec ti...

Page 34: ...gas line 7 16 mm UNF 63 to 77 241 B10 Liquid line 7 10 mm UNF 33 to 42 Hot gas line 7 16 mm UNF 63 to 77 241 B13 Liquid line 7 10 mm UNF 33 to 42 Hot gas line 7 16 mm UNF 63 to 77 Connecting the secon...

Page 35: ...rom secondary circuit connection set accessories See separate installation instructions Symbol Meaning Connection Heating water return Cu 28 x 1 mm Heating water flow Cu 28 x 1 mm Installation sequenc...

Page 36: ...e secondary cir cuit connection set accessory Connection set installation instructions 3 Fill and vent the secondary circuit 4 Thermally insulate pipes inside the building Note With underfloor heating...

Page 37: ...auge connection M Non return valve pipe separator N Drain valve O Cold water P Drinking water filter R Pressure reducer Information on drinking water filter According to DIN 1988 2 a drinking water fi...

Page 38: ...ctrical connection 230 V 0 5 A Installation inside the room to be cooled at the cooling water flow remove thermal insulation if required If several rooms with different relative humidity are part of t...

Page 39: ...are connected to the same terminal press both cores together in a single wire ferrule This prevents wires from drifting into the adjacent voltage area in the event of fault e g when a wire comes loose...

Page 40: ...40 Internal unit Routing cables to the wiring chamber 400 230 V 42 V 42 V Installation sequence Electrical connection cont 5546 699 GB...

Page 41: ...eads sensors KM BUS 42 V D Type AWT AC 241 A10 A13 B10 B13 12 V BUS cable Routing in the 230 V voltage range for connec tion see page 53 E Type AWT AC 241 A04 and A07 43 V BUS cable Routing in the 230...

Page 42: ...2 V COM COM 43 V F101 X3 X2 X1 F1 6 7 8 9 F3 P202 P203 sYS sYA D F E B A F12 X31 X25 X15 F27 F8 F6 F20 C 3 4 aVG F23 F14 F16 F21 F13 F0 F4 sVA F11 F26 F7 X24 X18 J3 J4 1 1 N 18 1 1 Installation sequen...

Page 43: ...mation regarding the connection values The specified output is the recommen ded connected load The total output of all components con nected directly to the heat pump con trol unit e g pumps valves me...

Page 44: ...es for heating water buffer cylin der bypass in cooling mode Connection values Max output 10 W Voltage 230 V Max switching current 4 2 A Connect the 3 way diverter valves for the bypass circuit in par...

Page 45: ...switching current 4 2 A Connect high limit safety cut out part no 7506 168 in series to the solar circuit pump See High limit safety cut out in stallation instructions Connecting a temperature limiter...

Page 46: ...7151 728 7151 729 B to mixer extension kit M 1 C B A s s A Connect plug s to mixer extension kit B Temperature limiter C Heating circuit pump for heating cir cuit with mixer Internal unit Expansion P...

Page 47: ...move jumper when connecting Note No parameters need to be set The compressor is forced off as soon as the contact opens Subject to the power supply utility the power OFF signal switches off the supply...

Page 48: ...g Sensor Type F0 1 F0 2 Outside temperature sensor NTC 10 k F0 2 F0 3 Radio clock receiver accessories DCF F4 Buffer temperature sensor NTC 10 k F11 Contact humidistat 24 V Note If a 230 V contact hum...

Page 49: ...ble Connection for electricity meter of photovoltaic system J3 Jumper for terminator Modbus 2 Terminator enabled delivered condition Terminator disabled J4 Jumper for setting master slave Modbus 2 Hea...

Page 50: ...EA1 only according to the following dia gram A filter circuit pump cannot be control led via the heat pump control unit A S DE 0 10V f A A DE D DE 5 6 3 4 1 2 1 2 B L1 N H L1 N M 1 C D F G E K A Exten...

Page 51: ...ion on controller and sensor PCB Internal unit AVI PCB Interface internal unit external unit Plug Component F101 Fuse 1 0 A slow L P202 BUS connection 12 V to external unit for type AWT AC 241 A10 A13...

Page 52: ...pe AWT AC 241 A04 A 241 A07 A 241 A10 A13 241 B10 B13 A A Wiring chamber BUS connection to the internal unit Note Do not interchange the BUS con nection wires between the internal and external units C...

Page 53: ...41 B10 and B13 N L N L3 C2 C1 L2L1 12V COM COM 43 V A B C A Wiring chamber external unit See page 52 B BUS cable between the external and internal unit Recommended cable 3 x 1 5 mm2 The cores are not...

Page 54: ...cal fault occurs Connect the appliance and pipe work to the equipotential bonding of the building in question Danger Incorrect core allocation can result in serious injury and dam age to the appliance...

Page 55: ...it connect the power supply on the same phase as the heat pump control unit we recom mend using the same MCB fuse Connection to the same MCB fuse provides additional safety when the power is switched...

Page 56: ...for internal use External unit power supply 230 V Type AWT AC 241 A04 C N L B L1 N A 241 A07 COMNi Li N0 L0 B N L1 A 241 A10 and A13 N L N L C2 C1 B N L1 A A Wiring chamber external unit See page 52 B...

Page 57: ...cified see terminals with a clockwise rotating field Type AWT AC 241 B10 and B13 N L N L3 C2 C1 B N L1 A L2L1 L2 L3 A Wiring chamber external unit See page 52 B Power supply 230 V 50 Hz Type AWT AC 24...

Page 58: ...V 50 Hz L1 N L1 L3 N N N L1 L2 L1 A A B B A Internal unit wiring chamber see chapter Overview of connections Internal unit B Jumpers Recommended power cable 400 V 5 x 2 5 mm2 230 V 7 x 2 5 mm2 Fuse ra...

Page 59: ...the relevant power supply util ity X3 7 X3 6 3 3 4 4 3 3 N 3 N 4 kWh kWh 5 3 400 V 7 230 V X3 18 X2 1 X1 1 Diagram excluding fuses and RCD A Heat pump control unit internal unit luster terminals see c...

Page 60: ...bserve the technical connection condi tions of the relevant power supply util ity 3 3 4 4 3 3 N 3 N 4 kWh kWh 3 7 5 400 V 230 V X3 7 X3 6 X3 18 X2 1 X1 1 Diagram excluding fuses and RCDs A Heat pump c...

Page 61: ...p tion Without power OFF kWh G F L kWh F L E kWh N E1E2 D D L1 L1 L2 L2 L3 L3 C A M N N A D H K M F B F A Heat pump B Additional consumers of power generated on site in the house hold C Electricity me...

Page 62: ...e heat pump Please note Seal the appliance so it is sound proof and diffusion proof On pipe and hose outlets ensure the thermal insulation is seated correctly Danger The absence of component earthing...

Page 63: ...tightness 70 8 Filling and venting the secondary side 71 9 Filling and venting the solar circuit 73 10 Checking expansion vessel and heating circuit pressure 73 11 Cleaning the DHW cylinder 73 12 Repl...

Page 64: ...as per external unit type plate 22 Checking the heat pump for unusual noises e g operating noise from fan compressor or pump venting again if required 23 Checking the system function e g actuators te...

Page 65: ...in serious injury from electrical current and in component damage in the event of an electrical fault All earth connectors must be reconnected Please note Wait at least 30 min between the installation...

Page 66: ...C Danger Direct contact with refrigerant can cause skin damage Wear safety goggles and protec tive gloves when working on the refrigerant circuit Please note Before evacuating the refrigerant lines a...

Page 67: ...er valve In type AWT AC 241 A07 the serv ice valve is located at the connec tion of the liquid line E Fill valve F Shut off valve G Liquid line H Fill hose between pressure gauge set and external unit...

Page 68: ...cond open ended spanner 3 Start the vacuum pump At the pressure gauge set open the valve to the vacuum pump and the valve to the hot gas connection 4 After approx 5 min open the valve to the vacuum ga...

Page 69: ...3 to 12 m 1 Close shut off valve 2 Undo the caps from the fill valves of the external unit Open both fill valves and refit caps Note Both fill valves must be open when the appliance is switched on 3 P...

Page 70: ...tness test is manda tory Refrigerant charge per metre line length for line lengths from 12 to 30 m Type AWT AC R410A in g m 241 A04 20 241 A07 60 241 A10 60 241 A13 60 241 B10 60 241 B13 60 Checking t...

Page 71: ...an lead to system damage Observe VDI 2035 regarding quality and amount of heating water including fill and top up water Flush the heating system thoroughly before filling Only fill with water of potab...

Page 72: ...note To prevent equipment dam age check the flow and return connections of the secondary circuit at the heat pump for tightness In the case of leaks switch off the appliance immediately drain the wat...

Page 73: ...expansion vessel and heating circuit pressure Observe engineering informa tion Heat pump technical guide Cleaning the DHW cylinder Danger Uncontrolled escape of DHW or heat transfer medium can cause s...

Page 74: ...ads to corrosion damage on the DHW cylinder Before inserting the electrical cables measure the resistance between terminals A and B If the resistance is significantly less than infinity check whether...

Page 75: ...e fan with the external unit open can lead to severe inju ries Isolate the external unit from the power supply and safeguard against reconnection Be aware that the fan may run on 1 Type AWT AC 241 A04...

Page 76: ...at exchanger for deformation and scratches if necessary repair with a suitable tool e g fin comb 4 Close the casing of the external unit Checking electrical connections of the external unit for firm s...

Page 77: ...N OFF switch Note If the internal unit is switched on before the external unit or the waiting time is shorter than 2 min the fault message 0A Fault external unit appears Vitotronic 200 heat pump con t...

Page 78: ...ally on first start up Note The commissioning wizard can also be started manually To do this press and hold when switching on the control unit progress bar visible When the unit is first commissioned...

Page 79: ...ing Parameter group select Language set Date time set Temperature sensors Signal inputs Actuator test Commissioning terminated Control mode OK OK OK OK OK OK OK OK OK OK OK OK NO YES OK Functional che...

Page 80: ...simultaneously for approx 4 s 2 Select Coding level 1 3 Select parameter group System definition 4 Select parameter System scheme 7000 5 Set system scheme 6 Alternatively if the service menu was alre...

Page 81: ...ter buffer cylinder 0 0 X X X X Instantaneous heating water heater X X X X X X X Swimming pool 0 0 0 0 0 0 Solar thermal system with integral solar control function 0 0 0 0 Cooling A1 HC1 0 0 0 0 M2 H...

Page 82: ...7000 Note Set rotary switch S1 in the extension kit to 2 see ex tension kit installation in structions Remote control For the heating cooling cir cuit Heating circuit 1 Remote control 2003 or Heating...

Page 83: ...external demand External starting of the com pressor mixer in control mode or OPEN System definition Effect of external demand on heat pump heating cir cuits 7014 0 to 7 Observe parameter Flow temper...

Page 84: ...mpressor 701A 0 to 31 Solar Solar parameters Setting Solar Type solar control unit 7A00 4 Solar Flow rate solar circuit for calculating solar yield 7A07 Specify calculated value from the set pump rate...

Page 85: ...for swimming pool heating Setting System definition External extension 7010 1 or 3 System definition Swimming pool 7008 1 Ventilation Ventilation unit parameters Setting Ventilation Vitovent enable 7...

Page 86: ...umption Enable own energy consumptn for set DHW temperature 2 7E10 1 Enable own energy consumption for DHW heating 7E11 1 Enable own energy consumptn for heating water buffer cyl 7E12 1 Enable own ene...

Page 87: ...o above 20 C and press reset button A on the high limit safety cut out A Instructing the system user The system installer should hand the operating instructions to the system user and instruct the use...

Page 88: ...88 Overview of electrical components See from page 42 Opening programming unit 2 2x 1 3 Troubleshooting Repairs 5546 699 GB...

Page 89: ...89 Removing cover from programming unit if necessary 5 4 4x Troubleshooting Repairs cont 5546 699 GB Service...

Page 90: ...90 Overview of internal components Internal unit a C C a C B sG D A B C G F E H L K aJ lJ g A Troubleshooting Repairs cont 5546 699 GB...

Page 91: ...llowing chapter D Instantaneous heating water heater with high limit safety cut out E Secondary circuit drain fill valve F Service valve internal unit Schrader valve can be used in place of the extern...

Page 92: ...inder Overview of internal components External unit Danger Contact with live components can result in severe injuries Capacitors remain live after the power supply has been switched OFF Wait at least...

Page 93: ...ir intake evaporator OAT D Evaporator temperature sensor OMT E 4 way diverter valve F High pressure switch pHi G Compressor head temperature sen sor CTT H Electronic expansion valve EEV K Temperature...

Page 94: ...or air intake evaporator OAT D Evaporator temperature sensor OMT E 4 way diverter valve F Electronic expansion valve EEV G Compressor head temperature sen sor CTT H High pressure switch pHi K Liquid s...

Page 95: ...ature sensor air intake evaporator OAT D Evaporator temperature sensor OMT E 4 way diverter valve F Electronic expansion valve EEV G Compressor head temperature sen sor CTT H Liquid separator K Temper...

Page 96: ...emperature sensors NTC 10 k Internal unit see page 90 Controller and sensor PCB see page 42 Flow temperature sensor secon dary circuit F8 Return temperature sensor sec ondary circuit F9 Pt500A PTC Int...

Page 97: ...xternal unit see page 92 Refrigerant circuit controller ob serve label on the external unit Temperature sensors in the internal unit with ID Viessmann NTC 10 k marked blue Outside temperature sensor 1...

Page 98: ...e 80 120 160 200 Temperature in C 40 0 1 1 10 Resistance in k 0 40 20 20 60 100 140 180 Viessmann Pt500A marked green 460 20 540 100 Resistance in Temperature in C 60 140 180 620 700 780 860 20 Troubl...

Page 99: ...k 30 20 10 0 10 20 30 40 50 60 70 80 90 100 Temperature in C Checking fuses Position of the fuses See from page 42 Fuse F1 is located on the mains ter minal of the heat pump control unit Fuse F3 is l...

Page 100: ...h the power circuit to zero volt Contact with live compo nents can lead to serious injury from electric current Before working on the equip ment always ensure that the power circuit is also at zero vo...

Page 101: ...nformation is required Serial no see type plate A Assembly from the parts list Position number of the individual part within the assembly from this parts list Parts lists internal unit Ordering parts...

Page 102: ...102 C B F E A A Type plate B Casing assembly internal unit C Electrical equipment assembly internal unit Parts lists internal unit Overview of assemblies internal unit 5546 699 GB...

Page 103: ...tallation and service instructions Casing internal unit Pos Component 0001 Front panel top 0002 Front panel bottom 0003 Side panel left 0004 Side panel right 0005 Top panel front 0006 Top panel back 0...

Page 104: ...104 0010 0009 0007 0002 0004 0008 0001 0005 0003 0006 Parts lists internal unit Casing internal unit cont 5546 699 GB...

Page 105: ...033 Back panel programming unit 0034 Retaining spring 0035 Outside temperature sensor NTC 10 k 0037 Separator 0039 Service instructions Vitotronic 200 type WO1C 0040 Operating instructions Vitotronic...

Page 106: ...arness low voltage for AVI PCB 0031 Fuses 6 3 A slow set 0036 Cylinder temperature sensor NTC 10 k 0038 Return temperature sensor solar circuit NTC 10 k Parts lists internal unit Electrical equipment...

Page 107: ...6 0018 0020 0019 0001 0032 0007 0005 0010 0002 0009 0037 0011 0013 0034 0008 0023 0024 0035 0025 0033 0030 0017 0039 0040 Parts lists internal unit Electrical equipment internal unit cont 5546 699 GB...

Page 108: ...ve 0018 Pipe connector 0019 Locking ring fitting 0020 Adjustable feet 4 pce 0021 Lower hinge section for casing door 0022 Upper hinge section for casing door 0023 HE circulation pump with PWM control...

Page 109: ...3 Gasket A 21 x 30 x 2 0 mm 0044 Spring clips set 0045 Solder connections set 0046 Reducers set 0047 Liquid line 7 10 mm 0048 Hot gas line 7 15 mm Parts not shown Pos Component 0049 Connection set Par...

Page 110: ...0040 0029 0036 0043 0039 0044 0016 0044 0039 0011 0044 0039 0044 0010 0044 0039 0040 0040 0017 0018 0044 0039 0039 0044 0044 0039 0026 0027 0028 0030 0033 0034 0033 0028 0027 0014 0030 0038 0026 0028...

Page 111: ...ng spring clips 7 32 x 1 5 mm set 0018 Threaded pipe clip 7 21 to 23 M8 with EPDM insert 0019 Locking cap G with retaining loop 0020 Magnesium chain anode 0021 Heating lance 0022 Non return valve 30 m...

Page 112: ...020 0031 0031 0031 0024 0023 0031 0027 0027 0025 0027 0004 0022 0027 0027 0027 0035 0009 0035 0015 0035 0019 0010 0035 0035 0035 0016 0013 0014 0013 0014 0012 0011 0028 0001 0017 0035 0008 0017 0035 0...

Page 113: ...7 Bottom panel 0008 Partition 0009 Transformer 0010 Control unit 0011 Shut off valve liquid gas line 0012 Shut off valve hot gas line 0013 Compressor 0014 Connection plate 0015 Valve cover 0016 Module...

Page 114: ...0032 Temperature sensor NTC 10 k CTT Parts not shown Pos Component 0033 Strain relief 0034 Condenser 2 F 0035 Coil 4 way diverter valve 0036 Connecting cable compressor 0037 Earth cable 0038 Retainer...

Page 115: ...005 0004 0019 0015 0006 0023 0027 0009 0014 0028 0026 0024 0021 0010 0022 0016 0002 0001 0003 0017 0032 0013 0018 0029 0007 0012 0011 Parts lists external unit 230 V type AWT AC 241 A04 External unit...

Page 116: ...verter valve 0007 DC motor 0008 Transport handle 0009 Front panel right 0010 Bottom panel 0011 Compressor 0012 Oil separator 0013 Liquid separator 0014 Bracket liquid separator 0015 Valve bracket 0016...

Page 117: ...037 Temperature sensor NTC 10 k CTT 0038 Temperature sensor NTC 10 k OCT 0042 Electronic expansion valve 0043 Coil electronic expansion valve Parts not shown Pos Component 0039 Strain relief 0040 Coil...

Page 118: ...0028 0033 0035 0034 0004 0007 0021 0022 0023 0012 0038 0020 0013 0019 0018 0010 0009 0002 0001 0008 0003 0037 0011 0005 0014 0015 0017 0016 0043 0042 0006 Parts lists external unit 230 V type AWT AC 2...

Page 119: ...equired Serial no see type plate A Assembly from the parts list Position number of the individual part within the assembly from this parts list Parts lists external unit 230 V type AWT AC 241 A10 A13...

Page 120: ...120 Type AWT AC 241 A10 A13 B C D A Parts lists external unit 230 V type AWT AC 241 A10 A13 Overview of assemblies 230 V 5546 699 GB...

Page 121: ...on 0009 Evaporator upper section 0010 Axial fan 0011 DC motor for fan 0012 Protective grille left 0013 Transport handle left 0014 Motor support 0015 Air inlet ring 0016 Transport handle right 0017 Con...

Page 122: ...0003 0004 0002 0006 0016 0007 0007 0005 0015 0015 0010 0010 0011 0011 0019 0018 0023 0021 0017 0014 0012 0013 0022 0001 Parts lists external unit 230 V type AWT AC 241 A10 A13 Casing external unit 230...

Page 123: ...erminal strip 2 pole 0010 PCB retainer 0011 Cable retainer 0012 Strain relief 0013 Cable control unit power supply Parts not shown Pos Component 0014 Cable harness compressor 0015 Communication cable...

Page 124: ...124 0013 0005 0012 0011 0010 0009 0008 0007 0006 0001 0003 0002 0004 Parts lists external unit 230 V type AWT AC 241 A10 A13 Electrical equipment external unit 230 V cont 5546 699 GB...

Page 125: ...switch 0005 Shut off valve hot gas line 0006 Oil separator 0007 Electronic expansion valve 0008 Compressor thermal insulation 0010 Shut off valve liquid line Parts not shown Pos Component 0009 Temper...

Page 126: ...126 0006 0004 0002 0005 0010 0001 0003 0007 0008 Parts lists external unit 230 V type AWT AC 241 A10 A13 Hydraulics external unit 230 V cont 5546 699 GB...

Page 127: ...equired Serial no see type plate A Assembly from the parts list Position number of the individual part within the assembly from this parts list Parts lists external unit 400 V type AWT AC 241 B10 B13...

Page 128: ...128 Type AWT AC 241 B10 B13 B C D A Parts lists external unit 400 V type AWT AC 241 B10 B13 Overview of assemblies 400 V 5546 699 GB...

Page 129: ...Evaporator upper section 0010 Axial fan 0011 DC motor 0012 Protective grille left 0013 Transport handle left 0014 Motor support 0015 Air inlet ring 0016 Transport handle right 0017 Control unit extern...

Page 130: ...0021 0001 0008 0019 0009 0005 0015 0015 0007 0007 0010 0010 0011 0011 0006 0016 0020 0002 0004 0003 0018 0014 0012 0013 Parts lists external unit 400 V type AWT AC 241 B10 B13 Casing external unit 400...

Page 131: ...7 Cable control unit power supply Parts not shown Pos Component 0013 Cable harness compressor 0014 Cable harness complete compressor 0015 Communication cable drivers 0016 Communication cable internal...

Page 132: ...132 0006 0005 0004 0003 0002 0007 0008 0009 0012 0017 0010 0011 0001 Parts lists external unit 400 V type AWT AC 241 B10 B13 Electrical equipment external unit 400 V cont 5546 699 GB...

Page 133: ...itch 0005 Shut off valve hot gas line 0006 Oil separator 0007 Electronic expansion valve 0008 Compressor thermal insulation 0009 Temperature sensor NTC 50 k CTT 0010 Shut off valve liquid line 0011 Co...

Page 134: ...134 0004 0002 0008 0008 0009 0011 0001 0005 0010 0006 0003 0007 Parts lists external unit 400 V type AWT AC 241 B10 B13 Hydraulics external unit 400 V cont 5546 699 GB...

Page 135: ...35 C and air in take temperature 15 C K 4 to 8 At secondary circuit flow tem perature 35 C and air in take temperature 15 C K 4 to 13 Testing the mixer heat pump and cylinder heating Checked under the...

Page 136: ...2 Duration of external change over 7013 8 h Effect of external demand on heat pump heating circuits 7014 4 Effect of ext blocking on heat pump heating circuits 7015 4 Vitocom 100 7017 0 Effect of ext...

Page 137: ...r 6008 100 10 K Start optimisation for DHW heating 6009 0 Stop optimisation for DHW heating 600 A 0 Set DHW temperature 2 600C 600 60 C Temperature sensor at bot tom of DHW cylinder 600E 0 Enable boos...

Page 138: ...incorrect circulation 7A09 1 Electric booster heater Parameter Code Delivered condition Commis sioning Mainte nance Service Enable instantaneous heat ing water heater 7900 1 Enable electric heaters f...

Page 139: ...not adjust Heating water buffer cylinder Parameter Code Delivered condition Commis sioning Mainte nance Service Enable buffer cylinder low loss header 7200 0 Temp in operating status fixed value for...

Page 140: ...ircuit 200E 400 40 C Room temperature in party mode 2022 200 20 C Heating circuit 2 Parameter Code Delivered condition Commis sioning Mainte nance Service Standard room temperature 3000 200 20 C Reduc...

Page 141: ...c 7116 0 Enable active cooling 71FE 0 Ventilation Parameter Code Delivered condition Commis sioning Mainte nance Service Vitovent enable 7D00 0 Enable preheater bank elec tric 7D01 0 Enable reheater b...

Page 142: ...an for control voltage matching 7D28 0 Photovoltaics Parameter Code Delivered condition Commis sioning Mainte nance Service Enable own energy con sumption PV 7E00 0 Prop of external current 7E02 10 10...

Page 143: ...3 Start summertime week 7C02 5 Start summertime day 7C03 7 Start wintertime month 7C04 10 Start wintertime week 7C05 5 Start wintertime day 7C06 7 Communication Parameter Code Delivered condition Comm...

Page 144: ...144 Control Parameter Code Delivered condition Commis sioning Mainte nance Service Lock out controls 8800 0 Commissioning service reports Control parameters report cont 5546 699 GB...

Page 145: ...4 62 4 29 Output control kW 1 2 to 5 3 1 8 to 9 5 5 0 to 14 0 5 0 to 16 1 Heating output data to EN 14511 A 7 W35 Rated heating output kW 3 20 6 60 8 72 9 14 Power consumption kW 1 27 2 68 3 46 3 70 C...

Page 146: ...l h 750 1000 1600 1600 Max external pressure drop RFH at minimum flow rate mbar 450 400 450 450 kPa 45 40 45 45 Max flow temperature C 55 55 55 55 External unit electrical val ues Rated voltage compre...

Page 147: ...W 3 0 3 6 4 6 5 8 Secondary pump PWM W 3 to 50 3 to 50 3 to 70 3 to 70 Control unit PCB external unit max W 150 150 150 150 Control unit PCB internal unit max W 5 5 5 5 Max rating control unit PCB W 1...

Page 148: ...entation to the south flat plate tube collectors m2 5 3 5 3 5 3 5 3 Max permissible DHW tem perature C 95 95 95 95 External unit dimensions Total length mm 290 340 340 340 Total width mm 869 1040 900...

Page 149: ...e 7 mm 12 x 1 16 x 1 16 x 1 16 x 1 Internal unit UNF External unit UNF Max line length liquid line hot gas line m 20 30 30 30 Sound power of external unit at rat ed heating output measurements with re...

Page 150: ...Coefficient of performance COP in heating mode 3 10 2 90 Cooling capacity data to EN 14511 A35 W7 5 K spread Rated cooling capacity kW 9 14 10 75 Fan speed rpm 600 690 Power consumption kW 3 37 4 15 E...

Page 151: ...pressor A 7 85 9 89 Starting current compres sor A 10 10 Starting current compres sor with stalled armature A 16 16 MCB fuse protection A 16 16 IP rating IP 24 24 Internal unit electrical val ues Heat...

Page 152: ...r hermetically sealed Type Double rotating pis ton Double rotating pis ton Permiss operating pressure High pressure side bar MPa 43 4 3 43 4 3 Low pressure side bar MPa 43 4 3 43 4 3 Integral loading...

Page 153: ...1 Cu 28 x 1 Cold water Rp DHW Rp DHW circulation G 1 1 Solar circuit flow DN 20 pipe sleeve for multi connect system Solar circuit return DN 20 pipe sleeve for multi connect system Liquid line Pipe 7...

Page 154: ...tallation completed Hydraulic lines fully thermally insulated Installation completed in full up to refrigerant circuit All windows and external doors sealed Components for cooling mode fully installed...

Page 155: ...EN 61 000 3 2 BGR 500 chapter 2 35 In accordance with the following Directives this product is designated with _ 2011 65 EU 97 23 EC 2004 108 EC 2006 95 EC Details according to the Pressure Equipment...

Page 156: ...ting cable 52 Bypass heating water buffer cylinder44 C Cable cross section 9 Instantaneous heating water heater power cable 58 Power cable external unit 56 57 Power cable heat pump control unit55 Cabl...

Page 157: ...ters reports 135 Cooling 44 Cooling control 44 Cooling water flow 38 Copper seal ring 33 Corrosion damage 74 75 Cover of external unit mounting 62 Curve Temperature sensor type Pt500A 98 Temperature s...

Page 158: ...essel 36 73 Extended menu 80 Extension kit mixer 49 82 External functions 83 External unit Cable lengths 9 Checking electrical connections 76 Cleaning 75 Closing 62 Dimensions 148 153 Electrical conne...

Page 159: ...t Connection 45 Solar circuit 45 High limit safety cut out resetting 87 High pressure fault 11 High pressure switch 93 94 Hot gas line 8 28 30 67 149 153 Internal unit 33 Torque 29 Hydraulic assembly...

Page 160: ...suring magnesium anode resist ance 74 75 Message connections 46 Minimum clearances External unit 12 Internal unit 16 Minimum flow rate 36 Minimum room volume 16 Minimum system pressure 72 73 Mixer ext...

Page 161: ...241 A10 A13 123 External unit type AWT AC 241 B10 B13 131 Internal unit 105 Parts external unit 113 116 119 Parts hydraulics External unit type AWT AC 241 A10 A13 125 External unit type AWT AC 241 B1...

Page 162: ...erant lines 8 Fitting oil lift bends 24 Line lengths 25 69 Mounting nuts 28 Nuts mounting 33 Nuts removing 31 Undoing nuts 28 Refrigerant lines connecting 24 28 29 Refrigerant properties 70 Remote con...

Page 163: ...cuit flow temperature sensor Curve 96 Solar circuit pump Connection 45 Solar circuit return 8 149 153 Solar circuit return temperature sen sor 49 91 Solar thermal system Parameter settings 84 Sound in...

Page 164: ...tor 96 Temperature sensor refrigerant inlet evaporator 96 Temperature sensors connecting 48 Terminating service 80 Tightness test Annual 70 Refrigerant circuit 70 Secondary circuit connections 72 Tilt...

Page 165: ...165 5546 699 GB...

Page 166: ...166 5546 699 GB...

Page 167: ...167 5546 699 GB...

Page 168: ...9 Viessmann Limited Hortonwood 30 Telford Shropshire TF1 7YP GB Telephone 44 1952 675000 Fax 44 1952 675040 E mail info uk viessmann com Viessmann Werke GmbH Co KG D 35107 Allendorf Telephone 49 6452...

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Viessmann AWT-AC 241.A04, Installation And Service Instructions Manual

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