Viessmann AWT-AC 221.A04 Installation And Service Instructions Manual Download Page 44

Page: 44 / 156

Connecting the temperature limiter,
part no. 7151 728, 7151 729

mixer extension kit

sÖ

Connect plug

sÖ

to mixer extension

kit

Temperature limiter

Heating circuit pump for heating cir-
cuit with mixer

Internal unit: Expansion PCB on main PCB (function compo-
nents 230 V~)

Make no on-site connections.

Internal unit: Luster terminals (message and safety connections)

Set the required parameters during com-
missioning; see from page 76.

Installation sequence

Electrical connections

(cont.)

5782 201 GB

Summary of Contents for AWT-AC 221.A04

Page 1: ...tions for contractors VIESMANN Vitocal 222 S Type AWT AC 221 A04 to A13 B10 B13 Compact heat pumps split version for heating and cooling opera tion For applicability see the last page VITOCAL 222 S 5782 201 GB 2 2013 Please keep safe ...

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 relevant trade associations All current safety regulations as defined by DIN EN DVGW VDE and all locally applicable standards a ÖNORM EN and ÖVE c SEV SUVA SVTI SWKI and SVGW Working on the system Isolate t...

Page 3: ...Defective 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 system can compromise its function Installing non author ised components and making non approved modifications or conversions can compromise safety and may invalidate our warranty For replacements use o...

Page 4: ...sioning inspection maintenance Steps commissioning inspection and maintenance 61 Further details regarding the individual steps 63 Troubleshooting Repairs 87 Parts lists internal unit Ordering individual parts 99 Overview of assemblies internal unit 100 Parts not shown internal unit 101 Internal unit casing 101 Electrical equipment internal unit 103 Internal unit hydraulics 105 Cylinder internal u...

Page 5: ...ists for external unit 400 V type AWT AC 221 B10 B13 Ordering individual parts 121 Overview of the assemblies 122 External unit casing 123 Electrical equipment external unit 125 Hydraulics external unit 127 Commissioning service reports Hydraulic parameter report 129 Control parameters report 129 Specification 136 Appendix Commissioning order 146 Declaration of conformity 147 Keyword index 148 Ind...

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 approved by the manufacturer for the individual case Incorrect usage or operation of the appli ance e g the appliance being opened by the system user is prohibited and results in an exclusion of liabil...

Page 7: ...l unit 1800 134 159 454 564 666 680 1803 1829 600 405 147 69 62 300 387 475 29 506 A Opening for LV leads 42 V B DHW Preparing for installation Requirements regarding on site connections 5782 201 GB Installation ...

Page 8: ...ead For type AWT AC 221 A04 a reduction 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 221 A04 a reduction from 16 to 10 mm is necessary down stream of the pipe bend reducer to supplied H Heating water flow Cu 28 x 1 mm K Heating water return Cu 28 x 1 mm 1 Prepare the connections o...

Page 9: ...section 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 221 A04 221 A07 221 A10 221 A13 External unit 230 V compres sor Cable cross section 3 x 2 5 mm2 3 x 2 5 mm2 3 x 2 5 mm2 3 x 4 0 mm2 Max cable length 29 m 25 m 20 m 20 m or or Cable cross section 3 x 4 0 mm2 3 x...

Page 10: ...s can result in reduced heat pump efficiency and defrosting prob lems Avoid air short circuits Please note An air short circuit during cooling operation will result in the heated discharged air re entering the unit This can lead to high pressure faults Avoid air short circuits Take the lengths of the refrigerant lines into account see Connecting refrigerant lines Select the installation site so th...

Page 11: ...stem Consider the heat emitted by the unit when planning your weatherproofing or an enclosure Ensure the condensate can drain freely and create a permanent gravel bed below the external unit as a soak away In regions with prolonged cold sea sons e g in Germany provide an electric supplementary heating facility accessories for the condensate pan For insulating against structure borne noise and vibr...

Page 12: ...ions in mm a b c d Cable entry above ground level below ground level 221 A04 100 100 400 300 1000 221 A07 100 100 400 300 1000 221 A10 100 200 400 300 1000 221 A13 100 200 400 300 1000 221 B10 100 200 400 300 1000 221 B13 100 200 400 300 1000 Installation sequence Installing the external unit cont 5782 201 GB ...

Page 13: ...13 Floor mounting 2 1 4x 4x A B C E D A Support for floorstanding installation accessory Installation sequence Installing the external unit cont 5782 201 GB Installation ...

Page 14: ...ppliance during transportation 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 Ambient temperatures of 0 to 35 ºC must be ensured Please note Avoid risk of explosion due to dust gases and vapours in the installation room Please note Observe the permissible floor load Align the appliance horizon ta...

Page 15: ...tion set accessories maintain a wall clear ance of approx 80 mm Minimum room height h Installation h in mm Without pre assembly DHW connection set ac cessories 2000 With pre assembly DHW connection set accesso ries 2100 Observe engineering informa tion Vitocal technical guide Handling The cylinder module can be removed during transport Please note Avoid damaging the appliance during handling Never...

Page 16: ...16 Removing the cylinder module 5 4 2x 2 1 3 Installation sequence Installing the internal unit cont 5782 201 GB ...

Page 17: ...17 8 6 P301 P501 P303 P302 F6 X25 193B 7 Installation sequence Installing the internal unit cont 5782 201 GB Installation ...

Page 18: ...18 10 9 11 Installation sequence Installing the internal unit cont 5782 201 GB ...

Page 19: ...19 15 2x 16 17 2x 12 14 18 13 X20 Installation sequence Installing the internal unit cont 5782 201 GB Installation ...

Page 20: ...20 2x 4x 6x 4x 22 21 20 19 Installation sequence Installing the internal unit cont 5782 201 GB ...

Page 21: ...21 26 2x 24 25 4x 23 Note Do not damage sealing tape A when removing the cylinder module Installation sequence Installing the internal unit cont 5782 201 GB Installation ...

Page 22: ...ibed on page 16 Please note Make tight hydraulic connec tions between the heat pump module and cylinder module Ensure locking tabs C are seated correctly around the pipe outlets see following illustration Please note Seal the appliance so it is soundproof and impermea ble The sealing tape on the side panels must be in close con tact with sealing faces B on the casing see following dia gram Install...

Page 23: ...g cases fit oil lift bends in the vertical pipe see diagram below In heating mode if the internal unit is installed higher than the external unit In cooling mode if the internal unit is installed lower than the external unit Installation sequence Installing the internal unit cont 5782 201 GB Installation ...

Page 24: ...te No topping up is required for line lengths between 3 and 12 m 5000 5000 B C D E A Example type AWT AC 221 A07 A Internal unit B External unit C Liquid line D Hot gas line E Oil lift bends Flow direction in heating mode Flow direction in cooling mode Sound and vibration isolation when cable entry is above ground level Note Route connecting cables and refrigerant lines separately Installation seq...

Page 25: ... C Cable entry e g drainage pipe with thermal insulation D Electrical cables leads internal external unit Connection to the external unit 1 Type AWT AC 221 A04 and A07 Remove the side cover see page 49 Installation sequence Connecting refrigerant lines cont 5782 201 GB Installation ...

Page 26: ...y plug them Undo the nuts from connections C and D on the refrigerant lines liquid line and hot gas line Type AWT AC 221 A04 Slide the nuts onto the refrigerant lines prepared on site Type AWT AC 221 A07 to A13 B10 B13 Replace nuts with the supplied union nuts internal unit UNF for liquid line UNF for hot gas line 3 Flare the pipe ends 4 Secure the pipes Installation sequence Connecting refrigeran...

Page 27: ...quid line 7 10 mm UNF 33 42 Hot gas line 7 16 mm UNF 63 77 221 B10 Liquid line 7 10 mm UNF 33 42 Hot gas line 7 16 mm UNF 63 77 221 B13 Liquid line 7 10 mm UNF 33 42 Hot gas line 7 16 mm UNF 63 77 Connection to the internal unit Note We recommend using the pipe bends supplied for connecting the refrigerant lines Depending on the installation con ditions it may also be possible to con nect the refr...

Page 28: ...er pipes Therefore hold the pipe open ings downwards or temporarily plug them Note The refrigerant lines of the internal unit are filled with nitrogen overpressure 2 bar 0 2 MPa If using Euro flanged adaptors solder the connections using shielding gas Installation sequence Connecting refrigerant lines cont 5782 201 GB ...

Page 29: ...unit connections and secure the pipe bends with the short side Insulate them to provide protection from heat and vapour diffusion Note The long side of the pipe bends must point upwards Pipe bends must not be positioned diagonally Check the flared con nections for firm seating 4 Slide the supplied union nuts UNF for liquid line UNF for hot gas line over the open end of the pipe bends Installation ...

Page 30: ...tion 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 Installation sequence Connecting refrigerant lines cont 5782 201 GB ...

Page 31: ...UNF for liquid 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 tion pieces using the union nuts Tighten nuts with the following torque Type AWT AC Line Connection to internal unit Torque in Nm 221 A04 Liquid line 7 6 mm UNF with reducer x 14 18 Hot gas ...

Page 32: ...42 Hot gas line 7 16 mm UNF 63 77 221 B10 Liquid line 7 10 mm UNF 33 42 Hot gas line 7 16 mm UNF 63 77 221 B13 Liquid line 7 10 mm UNF 33 42 Hot gas line 7 16 mm UNF 63 77 Connecting the secondary circuit Opening the casing door 1 Installation sequence Connecting refrigerant lines cont 5782 201 GB ...

Page 33: ...om 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 sequence Connecting the secondary circuit cont 5782 201 GB Installation ...

Page 34: ... return or to the secondary circuit connection set accessory Connection set installation instructions 3 Fill and vent the secondary circuit 4 Thermally insulate pipes inside the building Note For underfloor heating circuits install a temperature limiter to restrict the maximum temperature in the under floor heating system see chapter Connecting a temperature limiter as a maximum temperature limite...

Page 35: ...ection 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 filter should be installed in systems with metal pipework We also recom mend the installation of a drinking water filter when using plastic pipes according to DIN 1988 to prevent contaminants entering the DHW sy...

Page 36: ...ion if required If several rooms with different relative humidity are part of the cooling circuit fit and connect several contact humidi stats in series Switching contacts as N C contacts Electrical connections Danger Damaged cable insulation can cause injury and damage to the appliance Route cables so that they cannot touch very hot vibrating or sharp edged components Danger Incorrectly routed wi...

Page 37: ...components are connected to the same terminal press both cores together in a single wire ferrule Please note In terms of safety the BUS cable for the internal external unit 12 V or 43 V does not count as a LV lead The BUS cable must be routed together with the 230 V cables Installation sequence Electrical connections cont 5782 201 GB Installation ...

Page 38: ...38 Internal unit Routing electric cables to the wiring chamber 400 230 V 42 V 42 V Installation sequence Electrical connections cont 5782 201 GB ...

Page 39: ...ads sensors KM BUS 42 V D Type AWT AC 221 A10 A13 B10 B13 12 V BUS cable Routing in the 230 V voltage range for connec tion see page 51 E Type AWT AC 221 A04 and 221 A07 43 V BUS cable Routing in the 230 V voltage range connection see page 51 F Heat pump control unit power cable 230 V Installation sequence Electrical connections cont 5782 201 GB Installation ...

Page 40: ...F12 X31 X25 X15 F27 F8 F7 F23 F20 F21 C 12 V COM COM 43 V F101 X3 X2 X1 F1 6 7 8 9 F3 P202 P203 sYS sYA D F E B A aVG F4 F13 F14 F16 F26 F11 F6 3 4 X24 X18 sVA J3 J4 F0 1 1 N 18 1 1 Installation sequence Electrical connections cont 5782 201 GB ...

Page 41: ... 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 must not exceed 1000 W e g pumps valves message facilities contactors If the total output is 1000 W the indi vidual rating of a component e g pump valve message facility contac tor can be greater than specified However the br...

Page 42: ...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 parallel Plug sYS Terminals Function Explanation 212 2 A1 Heating circuit pump for heating circuit without mixer A1 HC1 This pump is connected in addition to the secondary pump if a heating water buffer cylinder is installed Connect the temperature li...

Page 43: ...ng the temperature limiter part no 7151 728 7151 729 B M 1 C B sÖ X2 N A X1 Heating circuit without mixer A1 HC1 Connection A to control unit Circulation pump C Without heating water buffer cylin der 211 2 Secondary pump With heating water buffer cylinder 212 2 Heating circuit pump A1 HC1 Installation sequence Electrical connections cont 5782 201 GB Installation ...

Page 44: ...rature limiter C Heating circuit pump for heating cir cuit with mixer Internal unit Expansion PCB on main PCB function compo nents 230 V Make no on site connections Internal unit Luster terminals message and safety connections Set the required parameters during com missioning see from page 76 Installation sequence Electrical connections cont 5782 201 GB ...

Page 45: ...at pump in operation Open Heat pump shut down Breaking capacity 230 V 0 15 A Remove jumper when connecting Note No parameters need to be set The compressor is forced off as soon as the contact opens The supply voltage to the relevant func tion components is switched off by the power OFF contact signal For the instantaneous heating water heater the stages to be switched off can be selected paramete...

Page 46: ...0 1 F0 2 Outside temperature sensor NTC 10 kΩ F0 2 F0 3 Radio clock receiver accessories DCF F4 Buffer temperature sensor NTC 10 kΩ F11 Contact humidistat 24 V Note If a 230 V contact humidistat connection to X3 8 X3 9 is used for cooling insert a jumper otherwise the heat pump will not start message Protectn device primry F13 System flow temperature sensor downstream of heating water buffer cylin...

Page 47: ...minator Modbus 2 Terminator enabled delivered condition Terminator disabled J4 Jumper for setting master slave Modbus 2 Heat pump control unit is slave Heat pump control unit is master delivered condition X18 Modbus 1 Connection for Vitovent 300 F X24 Connection for LON communication module see LON communication module installation instruc tions X31 Coding card slot Swimming pool heating Note Swim...

Page 48: ... for swimming pool heating accessories E Jumper F 3 way diverter valve for Swimming pool zero volt heating the heating water buffer cylinder G Circulation pump for swimming pool heating accessory H Thermostat for swimming pool tem perature control floating contact 230 V 0 1 A accessories K Connection on controller and sensor PCB Installation sequence Electrical connections cont 5782 201 GB ...

Page 49: ... type AWT AC 221 A04 A07 Note Only one BUS connection should be connected Do not interchange the BUS connec tion wires between the internal and external units Route the BUS connecting cable in the 230 V voltage area External unit Overview of connections 230 V Opening the external unit wiring chamber Type AWT AC 221 A04 A 221 A07 A 221 A10 and A13 A Installation sequence Electrical connections cont...

Page 50: ...e AWT AC 221 B10 and 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 Compressor power supply Installation sequence Electrical connections cont 5782 201 GB ...

Page 51: ...C 221 B10 and B13 N L N L3 C2 C1 L2L1 12V COM COM 43 V A B C A External unit wiring chamber see page 49 B BUS cable between the external and internal unit Recommended cable 3 x 1 5 mm2 The cores are not interchangeable C AVI PCB in the internal unit see page 41 Note Route BUS cable for internal external unit in the 230 V voltage area Installation sequence Electrical connections cont 5782 201 GB In...

Page 52: ...lectri 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 Never interchange cores L and N In negotiations with your power supply utility different supply tariffs for the main power circuits may be offered Observe the technical connection con ditions ...

Page 53: ...nit connect the power supply with the same phase as the heat pump control unit ideally using the same fuse MCB Connection to the same fuse MCB provides additional safety when the power is switched off Observe the power consumption of the connected consumers Heat pump control unit power supply 230 V X3 9 16 16 F1 T6 3AH 18 N L1 8 7 6 N N 3 1 1 X2 X1 Note This supply must never be blocked Max fuse r...

Page 54: ... for internal use External unit power supply 230 V Type AWT AC 221 A04 C N L B L1 N A 221 A07 COMNi Li N0 L0 B N L1 A 221 A10 and A13 N L N L C2 C1 B N L1 A A External unit wiring chamber see page 49 B Power supply 230 V 50 Hz Type AWT AC 221 A04 221 A07 221 A10 221 A13 Recommended power cable 3 x 2 5 mm2 max 29 m 3 x 2 5 mm2 max 25 m 3 x 2 5 mm2 max 20 m 3 x 4 0 mm2 max 20 m or 3 x 4 0 mm2 max 32...

Page 55: ...C1 B N L1 A L2L1 L2 L3 A External unit wiring chamber see page 49 B Power supply 230 V 50 Hz Type AWT AC 221 B10 221 B13 Recommended power cable 5 x 2 5 mm2 max 30 m 5 x 2 5 mm2 max 30 m Fuse protection B20A B20A Installation sequence Power supply cont 5782 201 GB Installation ...

Page 56: ... 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 rating max 16 A Economy tariff and power OFF can be used Installation sequence Power supply cont 5782 201 GB ...

Page 57: ...levant 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 chapter Over view of connections Internal unit B Instantaneous heating water heater C Heat pump compressor external unit D Heat pump control unit power sup ply see chapter Heat pump control unit power supply...

Page 58: ...power OFF 790A has no effect Note Observe 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 RCD A Heat pump control unit internal unit luster terminals see chapter Over view of connections Internal unit B Instantaneous heating water heater if installed C Heat pump compressor...

Page 59: ...nction with own energy consumption 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 in the house hold powered by self generated electricity C Electricity meter D Inverter E Isolator for the PV system F Terminal Installation sequence Power supply cont 5782 201 GB Installation ...

Page 60: ... 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 can lead to serious injury from electric current if an electri cal fault occurs Attach earth conductor to front panel and side panel 1 Close casing door in reverse order to page 32 Note Because of the ...

Page 61: ...ss 68 8 Filling and venting the secondary side 68 9 Checking expansion vessel and heating circuit pressure 71 10 Cleaning the DHW cylinder 72 11 Replacing the magnesium anode 74 12 Checking electrical connections of the internal unit for firm seating 13 Checking that condensate can drain away freely from the external unit condensate pan 14 Checking the free running of the fan in the external unit ...

Page 62: ...the internal unit as per external unit type plate 22 Checking the heat pump for unusual noises e g operating noise of fan compressor or pump venting again if required 23 Checking the system function e g actuators temperatures heat meter if applicable 85 24 Instructing the system user 86 Commissioning inspection maintenance Steps commissioning inspection and cont 5782 201 GB ...

Page 63: ...jury 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 installing and commissioning the appliance to prevent equipment damage Work on the refrigerant circuit may only be carried out by certi fied personnel in accordance with EC Directives 842 2006 and 303 2008 1 Remove front panel se...

Page 64: ...0 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 and the internal unit check all connections for tightness with leak detection spray Keep the valves on the external unit shut and fill the system with nitrogen through the service valve The test press...

Page 65: ...id line D Fill valve E Service valve Schrader valve For type AWT AC type 221 A07 the service valve is located at the connection of the liquid line F Hot gas line Commissioning inspection maintenance Further details regarding the individual steps cont 5782 201 GB Service ...

Page 66: ...uum pump running until the indication on the vacuum gauge is almost at 0 at least 30 min Note The vacuum pump runtime will depend on the ambient conditions 5 On the pressure gauge set close the valve to the vacuum pump Stop the vacuum pump and wait approx 5 min If the indication on the vacuum gauge rises there is a leak Remove the leak and repeat the proc ess 6 Close all valves at the pressure gau...

Page 67: ...hose and pressure gauge set 2 Top up with the required amount of refrigerant see following table Please note Refrigerant must not be allowed to escape into the environment Draw refrigerant out of the fill hoses and pressure gauge set 3 Close valves on the pressure gauge set 4 Unscrew the end of the filling hose from the external unit service valve 5 Fit the union nut with copper cap to the service...

Page 68: ... leaks All swaged connections of the refrig erant lines between the internal and the external unit All solder joints and threaded fittings of the refrigerant lines in the internal and external units Note Work on the refrigerant circuit may only by carried out by certified personnel according to EC Directives 842 2006 and 303 2008 Filling and venting the secondary side Unsuitable fill and top up wa...

Page 69: ...ounted on the casing door from escaping liquids 1 Open any non return valves installed on site 2 Check the pre charge pressure of the expansion vessel Technical guide Commissioning inspection maintenance Further details regarding the individual steps cont 5782 201 GB Service ...

Page 70: ... click into place see diagram 4 Please note To prevent appliance dam age check the secondary cir cuit flow and return connec tions to the heat pump for tightness In case of leaks switch off the appliance immediately drain the water and check the seat ing of the seal rings Always replace displaced seal wash ers 5 Check the system pressure and top up with water if required Minimum system pressure 0 ...

Page 71: ... heating 1 2 4 3 Checking expansion vessel and heating circuit pressure Observe engineering informa tion Heat pump technical guide Commissioning inspection maintenance Further details regarding the individual steps cont 5782 201 GB Service ...

Page 72: ...note Negative pressure in the DHW cylinder can cause material dam age The air vent valve must always be open when draining with a vac uum pump Please note Pointed or sharp cleaning objects may damage the DHW cylinder Please note Cleaning agents containing hydrochloric acid attack the material of the DHW cylinder Commissioning inspection maintenance Further details regarding the individual steps co...

Page 73: ... 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 the magnesium anode is touching the internal indirect coil Commissioning inspection maintenance Further details regarding the individual steps cont 5782 201 GB Service ...

Page 74: ...ng the 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 221 A04 First remove the top cover and then the front panel Type AWT AC 221 A07 to A13 B10 B13 Remove the external unit air dis charge grille 2 Turn the fan by hand Cleaning the external unit heat excha...

Page 75: ...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 seat ing Danger Contact with live components can result in severe injuries Capacitors remain live after the power supply has been switched OFF Wait at least 4 min until the capacitors have discharged befo...

Page 76: ...ternal unit voltage 2 Wait 2 min 3 Switch ON internal unit voltage 4 Start internal unit at the ON 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 Service instructions for Vitotronic 200 heat pump control unit Commissioning the system Commissioning configuration parame ter settin...

Page 77: ...e ON OFF switch on the heat pump control unit The prompt Start commission ing appears automatically on first commissioning Note The commissioning assistant can also be started manually To do this press and hold when switching on the heat pump control unit progress bar visible When the unit is first commissioned the display is in German Sprache Dansk Cesky Bulgarski Deutsch Wählen mit ê ê ç DE BG C...

Page 78: ...mmissioning 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 Function check Coding level 1 Subscriber check Time set Date set Commissioning inspection maintenance Further details regarding the individual steps cont 5782 201 GB ...

Page 79: ...ltaneously 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 already enabled Extended menu 1 å 2 Service 3 Select Coding level 1 4 Select parameter group System definition 5 Select parameter System scheme 6 Confirm parameter code 7000 7 Set system scheme 6 Required heat...

Page 80: ...Heating circuit A1 HC1 X X X X M2 HC2 X X X X DHW cylinder X X X X Heating water 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 Cooling A1 HC1 0 0 0 0 M2 HC2 0 0 0 0 SKK 0 0 0 0 0 0 0 Electricity meter 1 phase 3 phase 0 0 0 0 0 0 0 0 Vitovent 0 0 0 0 0 0 0 0 X Component selected 0 Component may be added Commissioning inspection maintenance Fu...

Page 81: ...tor S1 in the extension kit to 2 see ex tension kit installation in structions Remote control For heating cooling circuit Heating circuit 1 Ó Remote control 2003 or Heating circuit 2 Ó Remote control 3003 1 Note Set code on Vitotrol to as sign heating circuits H1 HC1 for heating circuit 1 H2 HC2 for heating circuit 2 see Vitotrol installation in structions For a separate cooling cir cuit Cooling Ó...

Page 82: ...e for external demand External starting of the com pressor mixer in control mode or OPEN System definition Ó Effect of external demand on heat pump heating cir cuits 7014 0 to 7 Observe parameter Flow temperature for external demand 730C External changeover of the operating state of various sys tem components System definition Ó System components for external changeover 7011 0 to 55 System definit...

Page 83: ...on 7100 3 Cooling Ó Cooling circuit 7101 1 heating circuit A1 HC1 2 heating circuit M2 HC2 4 separate cooling circuit SKK Instantaneous heating water heater Parameters for Instantaneous heating water heater Setting Electr booster heater Ó Enable instantaneous heating water heater 7900 1 Electr booster heater Ó if applicable Enable instant heating water heater for cen tral heating 7902 1 Electr boo...

Page 84: ... Enable reheater bank hydraulic 7D02 1 Enable humidity sensor 7D05 1 Enable CO2 sensor 7D06 1 If applicable adjust values subject to design Ventilation Ó Extract air temperature with standard ven tilation 7D08 100 to 300 10 to 30 C Flow rate reduced ventilation 7D0A 95 up to 7D0B minus 10 m3 h Flow rate nominal ventilation 7D0B 7D0A minus 10 m3 h up to 7D0C minus 10 m3 h Flow rate intensive ventil...

Page 85: ...differen tial to the selected set value for the chosen energy consumer Raise set DHW cylinder temperature PV 7E21 0 to 200 0 to 20 C Raise set heating water buffer cylinder temp PV 7E22 0 to 100 0 to 10 C Raise set room temperature PV 7E23 0 to 50 0 to 5 C Checking the system function e g actuators temperatures heat meter if applicable Please note If the heat pump is exposed to temperatures below ...

Page 86: ...d instruct the user in operating the system This includes all components installed as accessories e g remote control units In addition the system installer must make the user aware of the required mainte nance work Commissioning inspection maintenance Further details regarding the individual steps cont 5782 201 GB ...

Page 87: ...87 Overview of electrical components See from page 40 Opening programming unit 2 2x 1 3 Troubleshooting Repairs 5782 201 GB Service ...

Page 88: ...88 Removing cover from programming unit if necessary 5 4 4x Troubleshooting Repairs cont 5782 201 GB ...

Page 89: ...89 Overview of internal components Internal unit lJ aJ a C B sG A B C F E D G K H Troubleshooting Repairs cont 5782 201 GB Service ...

Page 90: ...aneous heating water heater with high limit safety cut out D Secondary circuit drain fill valve E Internal unit service valve Schrader valve can be used in place of the external unit service valve for checking pressure and evacuating the refrigerant cir cuit see page 64 F Liquid gas temperature sensor IRT G Secondary circuit temperature sensor upstream of the instan taneous heating water heater LW...

Page 91: ...er 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 4 min until the capacitors have discharged before starting work on the exter nal unit Troubleshooting Repairs cont 5782 201 GB Service ...

Page 92: ...ator air intake temperature sensor 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 Evaporator refrigerant inlet temper ature sensor OCT L Compressor Troubleshooting Repairs cont 5782 201 GB ...

Page 93: ... air intake temperature sensor 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 Evaporator refrigerant inlet temper ature sensor OCT L Compressor Troubleshooting Repairs cont 5782 201 GB Service ...

Page 94: ...ator air intake temperature sensor 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 Evaporator refrigerant inlet temper ature sensor OCT L Compressor M High pressure switch pHi Troubleshooting Repairs cont 5782 201 GB ...

Page 95: ... 89 Controller and sensor PCB see page 40 Flow temperature sensor secon dary circuit F8 Return temperature sensor sec ondary circuit F9 Pt500A PTC Flow temperature sensor secon dary circuit upstream of instanta neous heating water heater LWT Liquid gas temperature sensor IRT NTC 10 kΩ AVI PCB see service instruc tions Vitotronic 200 type WO1C Temperature sensor refrigerant inlet evaporator OCT Tem...

Page 96: ...00 10 20 10 0 10 20 30 Temperature in C 6 8 20 40 60 80 200 Resistance in kΩ Further sensors 10 1 10 30 50 70 90 110 Temperature in C 0 4 0 6 0 8 2 4 6 8 20 Resistance in kΩ Viessmann Pt500A green ID label 460 20 540 100 Resistance in Temperature in C 60 140 180 620 700 780 860 20 Troubleshooting Repairs cont 5782 201 GB ...

Page 97: ...n kΩ 30 20 10 0 10 20 30 40 50 60 70 80 90 100 Temperature in C Checking fuses For fuse locations see from page 40 Fuse F1 is located on the mains ter minal of the heat pump control unit Fuse F3 is located on the main PCB Fuse F101 is located on the AVI PCB Fuses F1 and F3 6 3 A slow H 250 V Max power loss 2 5 W Fuse F101 1 0 A slow L Max power loss 2 5 W Troubleshooting Repairs cont 5782 201 GB S...

Page 98: ...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 volt Troubleshooting Repairs cont 5782 201 GB ...

Page 99: ... see type plate A Assembly from this parts list Position number of the individual part within the assembly from this parts list Standard parts are available from your local dealer Parts lists internal unit Ordering individual parts 5782 201 GB Service ...

Page 100: ...100 A C B E F A Type plate B Casing assembly internal unit C Electrical equipment assembly internal unit Parts lists internal unit Overview of assemblies internal unit 5782 201 GB ...

Page 101: ...t pump installation and serv ice instructions Internal unit casing 0001 Front panel top 0002 Front panel bottom 0003 Side panel left 0004 Side panel right 0005 Top panel front 0006 Top panel back 0007 Viessmann logo 0008 Support heat pump control unit 0009 Screws set 0010 Fixing parts set Parts lists internal unit Overview of assemblies internal unit cont 5782 201 GB Service ...

Page 102: ...102 0006 0003 0005 0001 0007 0008 0002 0004 0010 0009 Parts lists internal unit Internal unit casing cont 5782 201 GB ...

Page 103: ...nel programming unit 0034 Retaining spring 0035 Outside temperature sensor 0037 Separator 0039 Service instructions Vitotronic 200 type WO1C 0040 Operating instructions Vitotronic 200 type WO1C Parts not shown 0003 PCB with connection adaptor SA136 A10 0004 PCB with connection adaptor ON OFF switch SA137 A10 0012 Connecting cable instantaneous heating water heater 0014 Connecting cable secondary p...

Page 104: ...4 0006 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 5782 201 GB ...

Page 105: ...wer hinge section for casing door 0022 Upper hinge section for casing door 0023 Air vent valve G 0024 Clip for threaded pipe D 21 23 M8 EPDM insert 0025 Clip for threaded pipe D 26 28 M8 EPDM insert 0026 Clip for threaded pipe D 31 35 M8 EPDM insert 0027 Condenser assembly 0028 Fastening UNF for hot gas line 0029 Fastening UNF for liquid line 0030 Pressure sensor ICT 0031 Valve body 0032 Schrader ...

Page 106: ...034 0043 0043 0008 0011 0033 0043 0034 0043 0034 0039 0007 0003 0022 0021 0004 0025 0021 0017 0017 0002 0001 0040 0040 0006 0010 0035 0042 0042 0035 0043 0035 0042 0017 0035 0016 0034 0035 0035 0020 0043 0043 0034 0045 0044 0041 0023 0030 0031 0032 0036 0037 0038 0038 0037 0027 0023 0036 0032 0031 0023 0032 0031 0005 Parts lists internal unit Internal unit hydraulics cont 5782 201 GB ...

Page 107: ...valve G 0012 Flange insulation 0013 Flange for magnesium anode 0014 Magnesium anode 0015 Flange gasket 0016 Sleeve 0017 Sensor well 0018 Air vent valve G 0019 Spring clip ring 7 32 x 1 5 mm 0020 Clip for threaded pipe D 21 23 M8 EPDM insert 0021 Locking cap G with retaining loop 0022 Magnesium chain anode 0023 O rings 7 28 x 2 5 mm set 0024 O ring 7 20 63 x 2 62 mm 0025 Spring clips set 0026 Gaske...

Page 108: ...12 0013 0015 0014 0014 0015 0005 0023 0024 0025 0003 0024 0025 0025 0023 0006 0024 0025 0025 0024 0009 0026 0025 0024 0024 0025 0026 0022 0011 0029 0020 0017 0018 0026 0010 0025 0026 0021 0029 0029 0016 0029 0028 Parts lists internal unit Cylinder internal unit cont 5782 201 GB ...

Page 109: ...0016 4 way diverter valve complete 0017 4 way diverter valve 0018 Coil EEV 0019 Side panel r h 0020 Grille 0021 Heat exchanger evaporator 0022 Joining plate 0023 Heat exchanger mounting plate 0024 Top panel 0025 M5 nut 0026 Transport handle 0027 Side panel left 0028 Terminal strip 4 pole 0029 Electronic expansion valve 0030 Temperature sensor NTC 10 kΩ OCT 0031 Temperature sensor NTC 10 kΩ OAT OMT...

Page 110: ...0025 0005 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 for external unit 230 V type AWT AC 221 A04 External unit cont 5782 201 GB ...

Page 111: ...lve cover 0020 Filter dryer 0021 Cover power supply 0022 PCB mains filter 0023 Connection plate 0024 Electronic expansion valve up to serial no 7424690 3211645361 0025 Coil EEV up to serial no 7424690 3211645361 0026 Heat exchanger evaporator 0027 Grille 0028 Retainer temperature sensor 0029 Transformer 0030 Partition 0031 ODU control unit 0032 Motor support 0033 Top panel 0034 Transport handle 00...

Page 112: ...8 0033 0035 0034 0004 0007 0021 0022 0023 0012 0038 0020 0013 0019 0018 0010 0009 0002 0001 0008 0003 0037 0011 0005 0025 0024 0014 0015 0017 0016 0043 0042 0006 Parts lists for external unit 230 V type AWT AC 221 A07 External unit cont 5782 201 GB ...

Page 113: ...A Assembly from this parts list Position number of the individual part within the assembly from this parts list Standard parts are available from your local dealer Parts lists for external unit 230 V type AWT AC 221 A10 A13 Ordering individual parts 5782 201 GB Service ...

Page 114: ...114 B C D A A Type plate B Casing assembly external unit Parts lists for external unit 230 V type AWT AC 221 A10 A13 Overview of the assemblies 5782 201 GB ...

Page 115: ... exchanger bottom evapo rator 0009 Heat exchanger top evaporator 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 Inverter 0018 Temperature sensor NTC 10 kΩ OAT 0019 Temperature sensor NTC 10 kΩ OMT 0020 Temperature sensor NTC 10 kΩ OCT 0021 M8 nut Parts lists for external unit 230 V type AWT...

Page 116: ...014 0001 0018 0011 0009 0008 0006 0006 0004 0016 0005 0007 0015 0017 0021 0010 0015 0021 0010 0002 0016 0003 0020 0019 Parts lists for external unit 230 V type AWT AC 221 A10 A13 External unit casing cont 5782 201 GB ...

Page 117: ...rts not shown 0016 Cable harness compressor 0017 Cable harness complete com pressor 0020 Communication cable drivers 0021 Communication cable IDU 0022 Power cable controller PCB ODU 0023 Communication cable starter controller 0024 Power cable driver filter 0025 Power cable line filter 0026 Power cable controller input 0027 Cable capacitor PCB Parts lists for external unit 230 V type AWT AC 221 A10...

Page 118: ...118 0013 0010 0009 0008 0007 0001 0012 0006 0011 0005 0003 0002 0004 Parts lists for external unit 230 V type AWT AC 221 A10 A13 Electrical equipment external unit cont 5782 201 GB ...

Page 119: ...line 0007 Oil separator 0008 Electronic expansion valve 0009 Compressor thermal insulation 0010 Temperature sensor NTC 50 kΩ CTT 0011 Shut off valve liquid line 0012 Compressor power supply cover Parts not shown 0013 Connection set for condensate line if installed Parts lists for external unit 230 V type AWT AC 221 A10 A13 Hydraulics external unit 5782 201 GB Service ...

Page 120: ...120 0012 0009 0001 0011 0008 0002 0004 0010 0006 0007 0005 0003 Parts lists for external unit 230 V type AWT AC 221 A10 A13 Hydraulics external unit cont 5782 201 GB ...

Page 121: ...A Assembly from this parts list Position number of the individual part within the assembly from this parts list Standard parts are available from your local dealer Parts lists for external unit 400 V type AWT AC 221 B10 B13 Ordering individual parts 5782 201 GB Service ...

Page 122: ...122 B C D A A Type plate B Casing assembly external unit Parts lists for external unit 400 V type AWT AC 221 B10 B13 Overview of the assemblies 5782 201 GB ...

Page 123: ...t exchanger bottom evapo rator 0009 Heat exchanger top evaporator 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 Inverter 0018 Temperature sensor NTC 10 kΩ OMT 0019 Temperature sensor NTC 10 kΩ OAT 0020 Temperature sensor NTC 10 kΩ OCT Parts lists for external unit 400 V type AWT AC 221 B10...

Page 124: ...008 0005 0015 0015 0007 0007 0010 0010 0011 0011 0006 0016 0020 0002 0004 0003 0019 0018 0017 0014 0012 0013 0001 Parts lists for external unit 400 V type AWT AC 221 B10 B13 External unit casing cont 5782 201 GB ...

Page 125: ...roller PCB ODU Parts not shown 0013 Cable harness compressor 0014 Cable harness complete com pressor 0015 Communication cable drivers 0016 Communication cable IDU 0018 Connecting cable high pressure switch 0019 Power cable controller input 0020 Choke coil cable red 0021 Choke coil cable white 0022 Choke coil cable black 0023 Choke coil cables set Parts lists for external unit 400 V type AWT AC 221...

Page 126: ...126 0006 0005 0004 0003 0002 0007 0008 0009 0012 0017 0010 0011 0001 Parts lists for external unit 400 V type AWT AC 221 B10 B13 Electrical equipment external unit cont 5782 201 GB ...

Page 127: ...ut off valve hot gas line 0006 Oil separator 0007 Electronic expansion valve 0008 Compressor thermal insulation 0009 Temperature sensor NTC 50 kΩ CTT 0010 Shut off valve liquid line 0011 Compressor power supply cover Parts lists for external unit 400 V type AWT AC 221 B10 B13 Hydraulics external unit 5782 201 GB Service ...

Page 128: ...128 0004 0002 0008 0008 0009 0011 0001 0005 0010 0006 0003 0007 Parts lists for external unit 400 V type AWT AC 221 B10 B13 Hydraulics external unit cont 5782 201 GB ...

Page 129: ... temperature 15 C K 4 to 8 At secondary circuit flow temperature 35 C and air intake temperature 15 C K 4 to 13 Testing the mixer heat pump and cylinder heating Checked under the following conditions Room temperature C Outside temperature C Temperature Cylinder temp top constant Yes 1 K Secondary circuit flow temperature C Rising from to Temperature differential ΔT Flow temp secondary Return temp ...

Page 130: ...xternal change over 7012 2 Duration of external changeover 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 external blocking on pumps compressor 701A 0 Common flow temperature sensor system 701B 0 Compressor Parameter Code Delivered condi tion Commis sioning Enable compressor 5000 1 Ena...

Page 131: ...W heat ing 6014 0 Enable electric heaters for DHW heat ing 6015 1 Priority DHW heating with combi cyl inder 6016 0 Start attempts for DHW after high pressure shutdown 6017 1 Operating mode cylinder primary pump 6020 Do not adjust Electric booster heater Parameter Code Delivered condi tion Commis sioning Enable instantaneous heating water heater 7900 1 Enable instant heating water heater for centra...

Page 132: ...for buffer cyl 7202 500 50 C Hysteresis temperature heating buf fer cylinder 7203 50 5 K Max temperature buffer cylinder 7204 600 60 C Temp limit op status fixed value for buffer cylinder 7208 500 50 C Heating circuit 1 Parameter Code Delivered condi tion Commis sioning Standard room temperature 2000 200 20 C Reduced room temperature 2001 160 16 C Remote control 2003 0 Heating curve level 2006 0 0...

Page 133: ...00 40 C Room temperature in party mode 3022 200 20 C Cooling Parameter Code Delivered condi tion Commis sioning Cooling function 7100 0 Cooling circuit 7101 1 Set room temperature separate cool ing circuit 7102 200 20 C Min flow temperature cooling 7103 100 10 C Influence room temperature hook up cooling circuit 7104 0 Ranking room temp sensor separate cooling circuit 7106 0 Cooling curve level 71...

Page 134: ... fan start 7D18 800 ppm Humidity value for fan start 7D19 65 Interval time frost protection ventila tion 7D1A 15 min Intensive ventilation duration 7D1B 120 min Actual source room temperature 7D1D 1 Heating circuit for blocking bypass damper 7D21 7 Control voltage matching 7D27 0 0 V Fan for control voltage matching 7D28 0 Photovoltaic systems Parameter Code Delivered condi tion Commis sioning Ena...

Page 135: ...2 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 condi tion Commis sioning Enable LON communication mod ule 7710 0 LON subscriber number 7777 1 LON fault manager 7779 0 LON system number 7798 1 Interval for data transfer via LON 779C 20 min Source outside temperature 77FC 0 Send outside te...

Page 136: ...efficient of per formance ε COP in heating mode 3 30 3 24 3 50 3 26 Output control kW 1 1 3 8 1 3 7 7 4 4 9 9 5 0 11 9 Heating output data At 100 according to EN 14511 A7 W35 C spread 5 K Rated heating out put kW 4 5 8 39 10 9 14 6 Compressor fre quency Hz 60 65 55 75 Fan speed rpm 870 650 650 650 Air flow rate m3 h 2090 3600 4210 4210 Power consump tion kW 0 97 1 96 2 36 3 40 Coefficient of per f...

Page 137: ... 2 75 2 50 Output control kW 1 2 3 8 1 6 8 0 2 4 8 5 2 4 10 0 Cooling perform ance data At 100 according to EN 14511 A35 W18 C spread 5 K Rated cooling ca pacity kW 4 2 8 8 10 0 12 6 Compressor fre quency Hz 60 65 55 70 Fan speed rpm 870 650 650 650 Power consump tion kW 1 13 2 63 2 80 4 20 Energy efficiency ratio EER 3 72 3 35 3 57 3 00 Air intake temper ature Cooling mode Min C 15 15 15 15 Max C...

Page 138: ...0 44 380 38 Max flow tempera ture C 55 55 55 55 External unit elec trical values Rated voltage compressor 1 N PE 230 V 50 Hz Max rated cur rent compressor A 13 5 15 7 19 6 26 5 Starting current compressor A 10 5 15 10 10 Starting current compressor with stalled armature A 20 25 25 32 Starting current charging DC ca pacitors A 45 35 30 30 Fuse protection A 20 20 20 32 IP rating IP 24 24 24 24 Speci...

Page 139: ...er heater Rated voltage 1 N PE 230 V 50 Hz 3 N PE 400 V 50 Hz Heating output kW 8 8 Fuse protection power supply 3 x B 16 A Electrical power consumption Fan max W 65 70 130 130 External unit max kW 3 0 3 6 5 8 5 8 Secondary pump PWM W 3 50 3 50 3 70 3 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 con trol unit PCB W 1000 1000 1000 1...

Page 140: ...43 4 3 Integral cylinder Capacity l 170 170 170 170 Continuous output for DHW heating from 10 to 60 C l h 203 254 306 357 Performance factor NL to DIN 4708 1 0 1 1 1 3 1 4 Max draw off rate at the specified performance factor NL and DHW heat ing from 10 to 45 C l min 14 3 14 8 15 9 16 5 Max permissible DHW temperature C 95 95 95 95 External unit di mensions Total length mm 869 1040 900 900 Total w...

Page 141: ... Rp DHW circulation G 1 1 1 1 Condensate pipe external unit mm 16 x 1 16 x 1 16 x 1 16 x 1 Liquid line Pipe 7 mm 6 x 1 10 x 1 10 x 1 10 x 1 Internal unit UNF External unit UNF Hot gas line Pipe 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 lev el of external unit Measurements with reference to EN 12102 EN ISO...

Page 142: ... rpm 600 690 Air flow rate m3 h 3456 4217 Power consumption kW 2 00 2 57 Coefficient of performance ε COP in heat ing mode 5 08 4 69 Cooling performance data At 100 according to EN 14511 A35 W7 C spread 5 K Rated cooling capacity kW 9 14 10 75 Compressor frequency Hz 55 65 Fan speed rpm 600 690 Power consumption kW 3 37 4 15 Energy efficiency ratio EER 2 71 2 59 Output control kW 1 96 9 85 2 14 11...

Page 143: ...armature A 10 10 Starting current charging DC capacitors A 16 16 Fuse protection A 20 20 IP rating IP 24 24 Internal unit electrical values Heat pump control unit PCB Rated voltage control unit PCB 1 N PE 230 V 50 Hz Fuse protection power supply 1 x B 16 A Internal fuse 6 3 A slow 250 V Instantaneous heating water heater Rated voltage 1 N PE 230 V 50 Hz 3 N PE 400 V 50 Hz Heating output kW 8 8 Fus...

Page 144: ...utput for DHW heating from 10 to 60 C l h 306 357 Performance factor NL to DIN 4708 1 3 1 4 Max draw off rate at the specified perform ance factor NL and DHW heating from 10 to 45 C l min 15 9 16 5 Max permissible DHW temperature C 95 95 External unit dimensions Total length mm 975 975 Total width mm 340 340 Total height mm 1255 1255 Internal unit dimensions Total length mm 680 680 Total width mm ...

Page 145: ...id line Pipe 7 mm 10 x 1 10 x 1 Internal unit UNF External unit UNF Hot gas line Pipe 7 mm 16 x 1 16 x 1 Internal unit UNF External unit UNF Max line length liquid line hot gas line m 30 30 Sound power level of external unit Measurements with reference to EN 12102 EN ISO 9614 2 Weighted total noise emission levels at A7 C 3 K W55 C 5 K At rated heating output dB A 61 65 Specification Specification...

Page 146: ...y installed and filled Electrical installation 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 optional Components for ventilation fully installed optional Components for PV system fully installed optional Preferred appointment 1 Date Time 2 Date Time The w...

Page 147: ...N 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 Directive 97 23 EC Category I mod ule A The product characteristics determined as system values for the product Vitocal 222 S see technical guide can be utilised to assess the energy consumption of hea...

Page 148: ...ng threaded fittings 68 Check valve 35 Chilled ceiling 36 Cleaning the cylinder 72 Closing the heat pump 60 Coding level 1 77 Cold water connection 8 141 145 Commissioning 63 77 146 Commissioning order 146 Commissioning report 63 Commissioning wizard 76 77 Compressor 92 93 94 Compressor max tilting angle 10 Concrete foundations 14 Condensate drain 11 14 Condensate pan 11 Condensate pipe 141 145 Co...

Page 149: ...140 144 Directives for work on the refrigerant cir cuit 68 Diverter valve 92 93 94 Door opening 32 Drain fill valve 91 Drain fill valve secondary circuit 90 Draining secondary circuit 95 Drain valve 35 Drinking water filter 35 E Economy tariff 53 54 56 Economy tariff meter 57 59 Electrical connection Circulation pumps 41 44 External unit 49 Temperature sensors 46 Electrical connections overview 87...

Page 150: ...ow temperature sensor secondary cir cuit 95 Flow temperature sensor system 95 Free running of the fan check for 74 Freestanding siting 11 Frost stat connection 46 Function check 85 Function components 230 V 39 Function components 230 V 41 44 Fuse AVI PCB 41 49 Function components 230 V 41 Heat pump control unit 41 Fuse checking 97 Fuse F1 97 Fuse F101 97 Fuse F3 97 Fuse protection Power supply ext...

Page 151: ...ions 7 140 144 Electrical values 139 143 Internal components 89 Refrigerant lines 27 Service valve 90 Weight 141 144 Internal unit isolating 16 Internal unit opening 16 Internal unit installation 14 Isolators 52 K KM BUS distributor 47 L Leak detection spray 64 Lightning protection 11 Line length For refrigerant lines 66 67 Refrigerant lines 24 141 145 Liquid line 8 24 26 28 65 141 145 Torque 27 3...

Page 152: ...ipment64 66 68 Photovoltaic 85 Pipe bends flaring 29 Pipe bends for vibration compensa tion 11 Pipe ends flaring 26 Pipe openings 26 For refrigerant lines 28 Pipe outlet 22 Pipes securing 26 Pipe separator 35 Power cable 9 53 External unit 54 55 Heat pump control unit 39 Instantaneous heating water heater56 Switching module for instantaneous heating water heater 39 Power circuits 52 Power OFF 9 54...

Page 153: ... 95 Ripple control receiver 57 58 Room height 14 Room temperature sensor 95 Room volume 15 Rubber mounts 14 S Safety assembly 34 Safety assembly installation 34 Safety chain 46 Safety connections 44 Safety instructions for refrigerant 68 Safety valve 34 35 Sealing faces 22 Sealing tape 22 Sealing the appliance 22 Seal washers 70 Secondary circuit connection 32 34 Secondary circuit filling 34 Secon...

Page 154: ...95 Temperature sensor compressor head 95 Temperature sensor evaporator 95 Temperature sensor liquid gas 90 95 Temperature sensor refrigerant inlet evaporator 95 Temperature sensors connecting 46 Terminating service 79 Tightness test Annual 67 Connections secondary circuit 70 Refrigerant circuit 68 Tilting angle 10 TNC system 57 59 Torque For refrigerant lines 27 31 Service valve union nut 67 Total...

Page 155: ...155 5782 201 GB ...

Page 156: ...86 7514941 7514942 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 70 0 Fax 49 6452 70 2780 www viessmann com 5782 201 GB Subject to technical modifications ...

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Viessmann AWT-AC 221.A04, Installation And Service Instructions Manual

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