Viessmann VITOCAL 300-A Installation And Service Instructions For Contractors Download Page 81

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Suction gas temperature sensor
(downstream of evaporator)
(NTC 10 kΩ)

Filter dryer

Schrader valve, low pressure side

Suction gas temperature sensor
(upstream of compressor)
(NTC 10 kΩ)

Refrigerant collector

Intermediate injection solenoid
valve

Liquid gas temperature sensor
(downstream of refrigerant collec-
tor) (NTC 10 kΩ)

Schrader valve, high pressure side

Refrigerant collector fill level sen-
sor

Draining heat pump on the secondary side

Close the on-site boiler drain & fill
valve.

Drain heat pump at drain valve: See
chapter "Overview of internal compo-
nents".

Checking sensors

■ Sensor connections to the controller

and sensor PCB: See page 33.

■ Position of the sensors in the heat

pump: See diagram on page 80.

Troubleshooting

Repairs

(cont.)

5516 436 GB

Service

Summary of Contents for VITOCAL 300-A

Page 1: ...service instructions for contractors VIESMANN Vitocal 300 A Type AWO AC 301 B11 to B14 Air water heat pump with electric drive 400 V For applicability see the last page VITOCAL 300 A 5516 436 GB 5 2014 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: ...mp 57 Service instructions Commissioning inspection maintenance Steps commissioning inspection and maintenance 60 Further details regarding the individual steps 61 Troubleshooting Repairs 78 Parts lists Overview of assemblies 85 Casing 86 Base frame 88 Heat pump module 90 Additional components 93 Air module 95 Miscellaneous 97 Electrical equipment 98 Heat pump control unit 100 Commissioning servic...

Page 5: ...5 Certificates Declaration of conformity 116 Keyword index 117 Index Index cont 5516 436 GB ...

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: ... B C D A 211 945 A Cable entries B Heating water flow connection R 1 C Heating water return connection R 1 D Condensate drain hose flexible Preparing for installation Requirements concerning on site connections 5516 436 GB Installation ...

Page 8: ...it with a suitable antifreeze or drain the heating circuit To prevent an increase in noise level due to reflection avoid siting equip ment in recesses at building corners or between 2 walls Lawn areas and vegetation can reduce noise development Only the heat pump foundations should there fore be made from reverberant mate rial concrete Never install the heat pump next to liv ing rooms or bedrooms ...

Page 9: ...cable ducts Drain all condensate derived from the air via a DN 40 drain pipe which must be protected from frost and provide a constant fall Amount of condensate Subject to temperature and relative humidity up to 20 l h and up to 20 l in 5 min during defrosting If possible connect the condensate drain to a drainage or sewer system In this case provide a siphon with a backup level of at least 60 mm ...

Page 10: ...10 Weight including outer casing 250 kg Dimensions 198 291 411 514 B A H H H 860 700 53 83 70 F G C D E Preparing for installation Siting requirements cont 5516 436 GB ...

Page 11: ...on site Control cable 230 V LV cable 42 V E Hydraulic connection set acces sory Hydraulic connection lines for heating water flow and heating water return F Hydraulic connections on the heat pump heating water flow and heat ing water return G Condensate drain DN 40 on site H Soft ground gravel or crushed stone K Frost protection compacted crushed stone e g 0 to 32 56 mm layer thickness subject to ...

Page 12: ...t DN 100 for power cable 400 V 50 Hz on site D KG conduit DN 100 for connecting cables to the heat pump control unit on site Control cable 230 V LV lead 42 V E Hydraulic connection set acces sory Connection lines for heating water flow and heating water return F Condensate drain DN 40 on site K Frost protection compacted crushed stone e g 0 to 32 56 mm layer thickness subject to local requirements...

Page 13: ...t is fully pre pared in different lengths The flow and return lines are flexible and have 2 adap tors each The lines are located inside a common thermal insulation Flow return line 2 x DN 32 Adaptor fittings DN 32 to R 1 Lines are fed into building Q through a wall duct with expanding mortar on site Provide a drain fill facility S for heating water flow and return in the building near an external ...

Page 14: ...nd damage e g with bubble wrap Cable length required in the heat pump from top edge of foundation Control cable 230 V Min 0 9 m LV cable 42 V Min 0 7 m Routing KG conduits C D Provide a wire pull for the cables M N To facilitate the routing of cables D through the KG conduit avoid 90 bends instead use 3 x 30 or 2 x 45 Route the KG conduit with a slope towards the heat pump and fit a con densate dr...

Page 15: ... pump C Power cable compressor fan 3 N PE 400 V 50 Hz on site D 2 connecting cables inside DN 100 KG conduit on site fully wired 5 15 or 30 m Control cable 230 V LV cable 42 V Note The maximum cable length is 30 m Extensions are not permis sible Preparing for installation Siting requirements cont 5516 436 GB Installation ...

Page 16: ...flow inside the building Cable with plug 2 0 m long Extend on site if required O Flow heating circuits with secon dary pump flow DHW cylinder with circulation pump for cylinder heating both circulation pumps are acces sories Alternatively 1 secondary pump and a 3 way diverter valve can also be used both accesso ries P Instantaneous heating water heater accessory install in building Q Heating water...

Page 17: ...17 Observe the siting requirements See page 8 4x 1 2 3 4 4x 4x 4x Installation sequence Installing the heat pump 5516 436 GB Installation ...

Page 18: ...ress To prevent transmission of any vibration the connecting hoses must not contact any other components Note The connecting hoses can be short ened Completely encase connecting hoses in the supplied thermal insulation C A B 1 4 3 2x 2x 2 A Heating water return B Heating water flow C Hydraulic connection set acces sory Installation sequence Making the hydraulic connections 5516 436 GB ...

Page 19: ... the building 5 Connect the drain hose to the safety valve Connect the drain hose to the public sewage system with a fall and a pipe vent Note In underfloor heating circuits install a temperature limiter to restrict the max imum temperature of underfloor heat ing systems Safeguard the minimum flow rate see Specification Fitting the flow temperature sensor secondary circuit The flow temperature sen...

Page 20: ... sensor PCB Connecting the condensate drain Note Subject to temperature and relative humidity the volume of condensate accumulating from the air can be as high as 20 l h During the defrosting process the amount of condensate can be as high as 20 l within 5 min Connect condensate drain via siphon backup level at least 60 mm in the frost protected area to on site drain connec tion drainage or sewer ...

Page 21: ... to the appliance Route cables so that they cannot touch very hot vibrating or sharp edged components Danger Incorrect wiring can lead to seri ous injury from electrical current and result in appliance damage Observe the following points when making an electrical con nection Installation sequence Making the hydraulic connections cont 5516 436 GB Installation ...

Page 22: ...onding ter minals Secure cables with cable ties If 2 components are connected to the same terminal press both cores together in a single wire ferrule This ensures that in the event of a fault e g when detaching a wire the wires cannot drift into the adjacent voltage area Opening the wiring chamber 2 1 Installation sequence Electrical connections heat pump cont 5516 436 GB ...

Page 23: ...nnecting cables Connecting cables from the heat pump control unit D E F A B C 5 1 4 2x 2 X3 X3 40 40 131 131 230 V 42 V 3 Installation sequence Electrical connections heat pump cont 5516 436 GB Installation ...

Page 24: ...r supply MCB fuse 6 3 A slow H Signal for control via Modbus E Compressor switching module F EEV PCB refrigerant circuit control ler 4 See service instructions for Vitotronic 200 Power cable Please note An incorrectly connected power supply can result in appliance damage Observe information from page 51 before connecting the power supply Installation sequence Electrical connections heat pump cont ...

Page 25: ...ls compressor fan 3 N PE 400 V 50 Hz Observe infor mation from page 51 H Power cable 3 N PE 400 V 50 Hz on site recommended cable 5 x 2 5 mm2 flexible Installation sequence Electrical connections heat pump cont 5516 436 GB Installation ...

Page 26: ...26 Fitting the heat pump control unit and inserting cables Wall mounting base and casing base fitting 2 1 Installation sequence Electrical connections heat pump control unit 5516 436 GB ...

Page 27: ...0 3 7 8 1 A 5 X2 D 6 X3 C B X3 X2 4 B A Cross connect PCB B ON OFF switch plug in connection C Casing front D Controller and sensor PCB Installation sequence Electrical connections heat pump control unit cont 5516 436 GB Installation ...

Page 28: ...28 Heat pump control unit open 1 3 2 Installation sequence Electrical connections heat pump control unit cont 5516 436 GB ...

Page 29: ...Cables inserting and applying strain relief A B A Cables with moulded strain relief B On site cables leads Installation sequence Electrical connections heat pump control unit cont 5516 436 GB Installation ...

Page 30: ...ng cable accessory Con trol cable 230 V to heat pump Adapting the heat pump control unit The secondary pump the circulation pump for cylinder heating and or the instantaneous heating water heater accessory can only be installed out side the heat pump The wiring for this needs to be adapted Installation sequence Electrical connections heat pump control unit cont 5516 436 GB ...

Page 31: ...X6 2 211 3 D X6 1 224 4 Please note Incorrect core assignment can result in incorrect functions Remove all 4 red cores Plugging in the coding card Only insert the coding card supplied with the heat pump Installation sequence Electrical connections heat pump control unit cont 5516 436 GB Installation ...

Page 32: ...32 B X31 A B A Coding card B Controller and sensor PCB Installation sequence Electrical connections heat pump control unit cont 5516 436 GB ...

Page 33: ...the event of a fault e g when detaching a wire the wires cannot drift into the adjacent voltage area Strip the insulation as close to the ter minals as possible If 2 components are connected to the same terminal press both cores together in a single wire ferrule Installation sequence Electrical connections heat pump control unit cont 5516 436 GB Installation ...

Page 34: ...C D F26 F20 F14 F16 F7 F12 F4 F8 F0 aVG F13 F11 X18 F6 J4 J3 sVA a C B a C C A Cross connect PCB F1 MCB fuse 6 3 A slow B Main PCB F3 Fuse 6 3 A slow C Expansion PCB D Controller and sensor PCB Installation sequence Electrical connections heat pump control unit cont 5516 436 GB ...

Page 35: ...current of the switching con tact observe the total current of 5 A Controls for external heat source and central fault messages are unsuitable for safety LV Set the required parameters during com missioning See from page 69 Plug sYA Terminals Function Explanation 211 2 Secondary pump installa tion in the secondary circuit flow In systems without a heating water buf fer cylinder no other heating ci...

Page 36: ... 230 V Max switching current 4 2 A Connect 3 way diverter valves parallel to each other Plug sYS Terminals Function Explanation 212 2 A1 Heating circuit pump for heating circuit without mixer A1 HC1 If a heating water buffer cylinder is in stalled this pump will be installed in ad dition to the secondary pump Connect temperature limiter to restrict the maximum temperature for under floor heating s...

Page 37: ...51 729 B M 1 C B sÖ X2 N A X1 Connection A to control unit Circulation pump C Heating circuit without mixer A1 HC1 Without heating water buffer cylin der 211 2 Secondary pump With heating water buffer cylinder 212 2 Heating circuit pump A1 HC1 Heating circuit with mixer M2 HC2 225 1 Heating circuit pump M2 HC2 Installation sequence Electrical connections heat pump control unit cont 5516 436 GB Ins...

Page 38: ...t no 7151 728 7151 729 B to the mixer extension kit M 1 C B A sÖ sÖ A Connect plug sÖ to the extension kit B Temperature limiter C Heating circuit pump M3 HC3 Installation sequence Electrical connections heat pump control unit cont 5516 436 GB ...

Page 39: ...stated current indicates the max switching current of the switching con tact observe the total current of 5 A Controls for external heat source and central fault messages are unsuitable for safety LV Set the required parameters during com missioning See from page 69 Plug sXS Terminals Function Explanation 222 1 Mixer motor control for ex ternal heat source Signal mixer CLOSED Connection values Out...

Page 40: ...30 V not suitable for safety LV Max switching current 4 2 A Connections for high limit safety cut outs Central heating In series to the secondary pump ter minal 211 2 on the main PCB In series for controlling external heat generators terminal 222 3 DHW reheating Circulation pump for cyl inder heating or 3 way diverter valve for Central heating DHW heating DHW reheating In series with the circulati...

Page 41: ...h limit safety cut out max 70 C as heat pump protection K1 Relay sizing in accordance with the external heat source observe safety instructions Plug sXD Terminals Function Explanation 223 1 223 2 U Central fault message Floating contact Closed Fault Open No fault Not suitable for safety LV Connection values contact rating Voltage 230 V Max switching current 4 2 A Installation sequence Electrical c...

Page 42: ...an taneous heating water heater switching module 224 6 Connection values Output 130 W Voltage 230 V Max switching current 4 2 A Connect cylinder loading pump and 2 way shut off valve in parallel Cylinder loading pump DHW side and M 2 way shut off valve 224 7 Connection values Output 100 W Voltage 230 V Max switching current 4 2 A Circulation pump for DHW reheating or Control of the immersion heate...

Page 43: ...400 V 224 7 X2 N N L3 L2 L1 B A A Immersion heater power supply 3 N PE 400 V 50 Hz B Terminals of the heat pump control unit Installation sequence Electrical connections heat pump control unit cont 5516 436 GB Installation ...

Page 44: ...2 0 1 A 225 3 M2 Mixer motor control heat ing circuit M2 HC2 Signal mixer OPEN Connection values Output 10 W Voltage 230 V Max switching current 0 2 0 1 A Cross connect PCB Set the required parameters during com missioning See from page 69 Signal and safety connections Terminals Function Explanation F1 Fuse 6 3 A slow Note Observe a total load of 1000 W for all connected components X1 Earth conduc...

Page 45: ...n No power OFF Breaking capacity 230 V 2 mA Note These and further external functions such as provision of external set val ues can alternatively be connected via EA1 external extension Installation instructions EA1 extension X3 3 X3 4 Flow limiter Requires floating N O contact actu ated Closed Heat pump in operation Open Heat pump shut down Breaking capacity 230 V 0 15 A Note Connected with heat ...

Page 46: ...pply for the heat pump control unit 3 x 1 5 mm2 and the cable for the power OFF signal can be com bined in a single 5 core cable X3 8 X3 9 Contact humidistat or Jumper Requires zero volt N C contact Closed Safety chain has continuity Open Safety chain interrupted heat pump shut down Breaking capacity 230 V 0 15 A Insert jumper if no safety components are installed X3 10 X3 11 Fault message lag hea...

Page 47: ...tructions EA1 extension X3 17 X3 18 MCB fuse F1 6 3 A slow X3 18 Heat pump control unit power supply Phase L1 X1 1 Earth conductor con nection X2 1 Neutral conductor connection Power supply 230 V X5 X7 Connections for heat pump control cable 230 V Controller and sensor PCB Set the required parameters during com missioning See from page 69 Plug Sensor component Type F0 1 F0 2 Outside temperature se...

Page 48: ...6 Room temperature sensor cooling circuit Required for separate cooling circuit SKK Recommended for heating cooling circuit without mixer A1 HC1 NTC 10 kΩ F20 Boiler water temperature sensor external heat source NTC 10 kΩ F26 Buffer temperature sensor cooling NTC 10 kΩ aVG KM BUS wires interchangeable Use the KM BUS distributor accessories if several devi ces are connected KM BUS subscriber exampl...

Page 49: ...appliances are to be connected to Modbus 1 e g Vitovent 300 F insert Modbus distributor accessory See installation instructions for Modbus dis tributor X24 Connection LON communication module accessory See installation instructions for LON communication module X25 LV cable 42 V to heat pump accessory X31 Coding card slot Note Flow temperature sensor for heating circuit with mixer M3 HC3 The flow t...

Page 50: ...cording 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 Extension EA1 B Power supply 1 N PE 230 V 50 Hz C Junction box on site Installation sequence Electrical connections heat pump control unit cont 5516 436 GB ...

Page 51: ...CD type B If no mains isolator is installed all non earthed conductors must be isolated from the mains by the upstream circuit breakers with a minimum contact sep aration of 3 mm Danger Incorrectly executed electrical installations can result in injuries from electrical current and in appliance damage Connect the power supply and implement all safety measures e g RCD circuit in accordance with the...

Page 52: ...er OFF Tariffs subject to possible shutdown must not be used here In conjunction with on site power con sumption use of power generated by the PV system to meet own require ments During the power OFF period it is not possible to operate the compres sor with power generated on site Protect the power supply to the heat pump control unit with an MCB fuse of max 16 A For accessories and external compo...

Page 53: ...n accordance with the compressor rating see Spec ification Economy tariff and power OFF can be used No parameters need to be set when using economy tariff with power OFF The compressor is shut down during the power OFF time Recommended power cable 5 x 2 5 mm2 Max cable length 25 m Power supply with power OFF Power OFF without on site load disconnection The power OFF signal is connected directly to...

Page 54: ...pple control receiver G Ripple control receiver contact open power OFF enabled TNC system feed H Economy tariff meter K Feed TNC system Power OFF with on site load disconnection The power OFF signal is connected to the on site contactor of the economy tar iff power supply and to the heat pump control unit The compressor and instan taneous heating water heater are forced off when power OFF is ena b...

Page 55: ...neous heating water heater C Compressor D Heat pump control unit power sup ply E Standard tariff meter F Backup fuse ripple control receiver G Ripple control receiver contact open power OFF enabled with backup fuse H Economy tariff meter K Feed TNC system L Mains isolator Installation sequence Power supply cont 5516 436 GB Installation ...

Page 56: ...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 meter D Inverter E Isolator for the PV system F Terminal G Double tariff meter for special tariff for heat pump Not permissible in conjunction with PV systems for on site power con sumption Installation sequence Power supply cont 5516 436 GB ...

Page 57: ...mestic power sup ply connection distribution panel M Distribution panel N Domestic distribution box Closing the heat pump Please note Seal the appliance so it is sound proof and diffusion proof Check tightness of internal hydraulic connections Please note To prevent the formation of con densate and the excessive devel opment of noise tightly seal the casing door 1 Installation sequence Power suppl...

Page 58: ...moved once the outer cas ing has been fitted Pull off the protective foil before fitting the outer casing AWO AC 301 B11 AWO AC 301 B14 A 2 A Logos Information on step 2 Use a weatherproof marker Installation sequence Closing the heat pump cont 5516 436 GB ...

Page 59: ...59 4x 4x 8 9 7 3 4 4x 4x 5 6 3x 10 3 Nm 3 Nm Installation sequence Closing the heat pump cont 5516 436 GB Installation ...

Page 60: ...frigerant circuit for leaks 62 4 Filling and venting on the secondary side 62 5 Checking the expansion vessel and heating circuit pressure 64 6 Checking the electrical connections for firm seating 7 Cleaning the interior 65 8 Commissioning the system 66 9 Closing the heat pump 77 10 Instructing the system user 77 Commissioning inspection maintenance Steps commissioning inspection and maintenance 5...

Page 61: ...stallation and commissioning of the appliance to prevent equip ment damage Work on the refrigerant circuit may only be carried out by certi fied personnel in accordance with EC 842 2006 and 303 2008 1 Remove outer casing Steps 2 to 8 on page 59 in reverse order 2 If necessary open casing door See page 22 3 If necessary open heat pump control unit See page 26 4 When work is complete assemble heat p...

Page 62: ...es of oil indicate a leak in the refrig erant circuit Have your heat pump checked over by a refrigeration engi neer Filling and venting on the secondary side Unsuitable fill and top up water increa ses the level of deposits and corrosion This can 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 ...

Page 63: ...4 3 Fill the secondary circuit via the on site BDF valve flush and vent the circuit 4 Check the system pressure at the pressure gauge on site Top up with water if required Minimum system pressure 0 8 bar 80 kPa Permiss operating pressure 3 bar 0 3 MPa Commissioning inspection maintenance Further details regarding the individual steps cont 5516 436 GB Service ...

Page 64: ...HW cylinders 1 If an on site shut off valve is installed close it Otherwise drain the heating system on the heating water side until the pressure gauge indicates 0 2 If the pre charge pressure of the expansion vessel is lower than the static system pressure top up with sufficient nitrogen to raise the pre charge pressure of the expansion vessel by 0 1 to 0 2 bar 10 to 20 kPa higher than the static...

Page 65: ...Chemical deposits in the interior can cause appliance damage Only clean the interior with clean water max temperature 50 C 2 1 B A Commissioning inspection maintenance Further details regarding the individual steps cont 5516 436 GB Service ...

Page 66: ...at the separate MCB fuse or at a mains isolator Commissioning with the commissioning wizard The commissioning wizard automatically guides you through all the menus where settings have to be made For this Cod ing level 1 is automatically active Please note Incorrect operation at Coding level 1 may result in damage to the appliance and the heating system Observe the service instructions for the Vito...

Page 67: ...utsch Wählen mit ê ê ç DE BG CZ DK ê ê Manually switching some appliance components during commissioning enables the control unit to display messages These messages are not appliance faults Commissioning inspection maintenance Further details regarding the individual steps cont 5516 436 GB Service ...

Page 68: ...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 5516 436 GB ...

Page 69: ...ox 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 parameters for componen...

Page 70: ... 0 0 0 0 0 0 0 0 0 Solar thermal system See page 75 0 0 0 0 0 0 Cooling See page 76 A1 HC1 0 0 0 0 0 0 M2 HC2 0 0 0 0 0 0 0 0 M3 HC3 0 0 0 0 Sep cooling circuit SKK 0 0 0 0 0 0 0 0 0 0 0 Coolant buffer cylinder 0 0 0 0 0 0 0 0 0 0 Energy meter 3 phase See page 76 0 0 0 0 0 0 0 0 0 0 0 Ventilation unit Vitovent 300 F See page 77 0 0 0 0 0 0 0 0 0 0 0 X Component is selected 0 Component may be added...

Page 71: ...it M3 HC3 System definition Ó System scheme 7000 With heating circuit M3 HC3 Note Set rotary switch S1 in the ex tension kit to 2 See extension kit installation instructions Remote control for heating cooling circuit Heating circuit 1 Ó Remote control 2003 or Heating circuit 2 Ó Remote control 3003 or Heating circuit 3 Ó Remote control 4003 1 Note Set heating circuit assignment on the Vitotrol H1 ...

Page 72: ...com 100 7017 1 External extension System definition Ó External extension 7010 1 EA1 extension 2 AM1 extension 3 EA1 and AM1 extension Note Parameters for external func tions See the following table External functions External functions Parameter Setting External demand Internal hydraulics if ap plicable Ó Flow temperature for ex ternal demand 730C Set flow temperature for external demand External ...

Page 73: ...ssor 701A 0 to 31 External blocking of the com pressor mixer in control mode or CLOSED System definition Ó Effect of ext blocking on heat pump heating circuits 7015 0 to 8 System definition Ó Effect of external block ing on pumps compressor 701A 0 to 31 Heat pump cascade Parameter Setting Lead heat pump Lag heat pump System definition Ó System scheme 7000 0 to 10 11 Communication Ó Enable LON comm...

Page 74: ...sion heater parameters Setting DHW Ó Enable electric heaters for DHW heating 6015 1 DHW Ó Enable booster heaters for DHW heating 6014 1 External heat source External heat source parameters Setting External heat source Ó Enable external heat source 7B00 1 With circulation pump for DHW reheating External heat source Ó Enable booster heaters for DHW heating 6014 1 External heat source Ó Enable extern...

Page 75: ... if applicable Ó Enable electric heaters for DHW heating 6015 1 Swimming pool water heating Parameters for swimming pool water heating Setting System definition Ó External extension 7010 1 System definition Ó Swimming pool 7008 1 Solar Parameters for solar thermal system in con junction with solar control module type SM1 Setting Solar Ó Type solar control unit 7A00 3 Solar Ó Parameter C0xx See ins...

Page 76: ...on site power consumption 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 energy consumption for heat ing 7E13 1 Extended menu PV ctrl strategy or Photovoltaics Ó Specify the temperature differen tial to the selected set value for the chosen function Raise se...

Page 77: ...D0B minus 10 m3 h Flow rate nominal ventilation 7D0B 7D0A minus 10 m3 h up to 7D0C minus 10 m3 h Flow rate intensive ventilation 7D0C 7D0B plus 10 m3 h up to 280 m3 h Closing the heat pump See page 57 Instructing the system user The system installer should hand the operating instructions to the system user and instruct the user in operating the system This includes all components installed as acce...

Page 78: ...e 23 Heat pump control unit See page 33 Removing the side panel Please note Constant heat pump operation without the side panel can cause appliance damage Never switch on the heat pump if the side panel has been removed Troubleshooting Repairs 5516 436 GB ...

Page 79: ...79 8x Troubleshooting Repairs cont 5516 436 GB Service ...

Page 80: ...olling fill level of refrigerant collec tor PHX D Filter dryer E Manual air vent valve F 4 way diverter valve G Safety high pressure switch H Schrader valve high pressure side K High pressure sensor L Secondary circuit return tempera ture sensor Pt500A M Drain valve N Flow switch O Liquid separator P Liquid gas temperature sensor downstream of condenser NTC 10 kΩ Troubleshooting Repairs cont 5516 ...

Page 81: ... downstream of refrigerant collec tor NTC 10 kΩ X Schrader valve high pressure side Y Refrigerant collector fill level sen sor Draining heat pump on the secondary side 1 Close the on site boiler drain fill valve 2 Drain heat pump at drain valve See chapter Overview of internal compo nents Checking sensors Sensor connections to the controller and sensor PCB See page 33 Position of the sensors in th...

Page 82: ...oiler water temperature sensor external heat source F20 Buffer temperature sensor cooling F26 Room temperature sensors NTC 10 kΩ Flow temperature sensor secondary circuit F8 Secondary circuit return temperature sensor X25 11 X25 12 Air inlet temperature sensor X25 1 X25 2 Air outlet temperature sensor X25 3 X25 4 Sensors in the refrigerant circuit Pt500A Viessmann NTC 10 kΩ blue marking Outside te...

Page 83: ...emperature in C 60 140 180 620 700 780 860 20 Checking MCB fuses Fan MCB fuse location See page 24 The 6 3 A slow H MCB fuse is located at the mains terminals of the fan Heat pump control unit Position of the fuses See from page 33 Fuse F1 is located on the mains ter minal of the heat pump control unit Fuse F3 is located on the main PCB Troubleshooting Repairs cont 5516 436 GB Service ...

Page 84: ...ing the fuse does not switch 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 5516 436 GB ...

Page 85: ... D E F G H K A A A Type plate B Casing assembly C Base frame assembly D Heat pump module assembly E Additional component assembly F Air routing assembly Parts lists Overview of assemblies 5516 436 GB Service ...

Page 86: ...gasket 7840991 0002 Casing top part with logo 7840992 0003 Casing top part 7840993 0004 Casing central part 7840994 0005 Casing bottom part with recess 7840995 0006 Casing bottom part 7840996 0007 Fixing kit 7840997 0008 Fins set 7840998 0009 Bottom air routing 7840976 0010 Logos 7839938 Parts lists Overview of assemblies cont 5516 436 GB ...

Page 87: ...87 0009 0009 0009 0003 0002 0007 0010 0010 0008 0004 0008 0005 0006 0008 0004 0008 0003 0004 0008 0006 0006 0008 0004 0008 0003 0008 0003 0001 Parts lists Casing cont 5516 436 GB Service ...

Page 88: ...40955 0008 Front brace 7840956 0009 Bottom panel 7840957 0010 Side brace 7840958 0011 Side brace with entry 7840959 0012 Side panel 7840960 0013 Fixing parts set 7840961 0014 Sound insulation mat outer 7840962 0015 Adjustable feet set 7832669 0016 Rubber mounts set 7840964 0017 Connection elements set 7840965 0018 M8 nuts set 7840966 Parts not shown Pos Component Part no 0019 Sealant 7840967 Parts...

Page 89: ...014 0014 0012 0014 0006 0018 0017 0015 0016 0013 0018 0011 0007 0010 0010 0008 0008 0009 0012 0014 0012 0004 0005 0014 0011 0006 0006 0006 0001 0002 0003 0002 0003 Parts lists Base frame cont 5516 436 GB Service ...

Page 90: ...0019 Drain fill valve G 7829045 0020 Connector 7840837 0021 Connector G 7840838 0022 Sensor well 7833117 0023 Temperature sensor Pt500A 7836461 0024 Spring clip 7836480 0025 Flow switch 7840839 0026 Refrigerant line 4 way diverter valve condenser 7840840 0027 Secondary circuit flow line 7840841 0028 90 bend 7840842 0029 Transition sleeve 7840843 0030 Air vent valve G 7829923 0031 Electronic expans...

Page 91: ...mpressor 7840860 0051 Refrigerant collector 7840861 0052 Gasket 8 x 50 x 5 mm 7835539 0053 Fill level sensor 7840862 0054 Protective cap fill level sensor 7840863 0055 Oil separator 7840864 0056 Hot gas line compressor 7840865 0057 Pressure switch 7840866 0058 High pressure sensor PT5 50T 7833090 0059 Secondary circuit return hose 7840867 0060 Secondary circuit flow hose 7840868 0061 Hose connecto...

Page 92: ...0011 0012 0013 0009 0035 0031 0045 0036 0044 0064 0022 0021 0020 0018 0009 0005 0006 0007 0008 0010 0011 0012 0013 0009 0057 0058 0017 0019 0018 0020 0021 0025 0022 0024 0023 0061 0059 0061 0060 0016 0037 0016 0014 0015 0027 0029 0028 0020 0020 0030 0029 0028 0026 0043 0040 0013 0012 0011 0010 0009 0010 0011 0012 0013 0004 0041 0040 0039 Parts lists Heat pump module cont 5516 436 GB ...

Page 93: ...980 0005 Diaphragm grommets set 7840981 0006 Brackets for condensate drain hose 7840982 0007 Insulation mat 7840983 0008 Hydraulic connectors with thermal insulation 2 pce 7840985 0009 Temperature sensor Pt500A 7840986 0010 Lead for temperature sensor 7840987 0011 Mounting plates for adjustable feet set 7840988 Parts lists Additional components 5516 436 GB Service ...

Page 94: ...94 0011 0010 0009 0008 0004 0005 0006 0007 0001 0003 0002 Parts lists Additional components cont 5516 436 GB ...

Page 95: ...1 Cover 7840971 0002 Top cover 7840972 0003 Air routing top 7840973 0004 Insert for brace 7840974 0005 Flow hood 7840975 0006 Condensate drain pan 7840952 0007 Bottom air routing 7840976 Parts lists Air module 5516 436 GB Service ...

Page 96: ...96 0007 0007 0007 0004 0005 0004 0003 0003 0003 0003 0006 0002 0001 Parts lists Air module cont 5516 436 GB ...

Page 97: ...97 Pos Component Part no 0001 Installation and service instructions 5583759 0002 System examples 5583761 0003 Wiring diagram 5583762 0003 0002 0001 Parts lists Miscellaneous 5516 436 GB Service ...

Page 98: ...832905 0036 Fuses 6 3 A slow 5 pce 7822610 7822610 0037 Outside temperature sensor NTC 10 kΩ 7837053 7837053 0043 Connecting cable compressor 7840929 7840929 0049 Cable harness sensors refrigerant circuit controller 7840931 7840931 0050 Cable harness low voltage 7840932 7840932 0063 Inverter coil 7840936 7840936 0066 Cable set stepper motors electronic expansion valves 7840937 7840937 0067 Modbus ...

Page 99: ...99 0001 0002 0036 0035 0030 0025 0085 0084 0067 0070 0066 0063 0063 0063 0050 0049 0043 0037 0036 0035 0030 0025 0024 0009 0008 0007 Parts lists Electrical equipment cont 5516 436 GB Service ...

Page 100: ...tor SA142 SA143 7834781 0013 Fuse holder 7828810 0014 MCB fuse 6 3 A slow 10 pce 7404365 0015 Casing base 7834773 0016 Casing front 7834777 0017 Front flap 7834778 0018 Fascia left 7834779 0019 Fascia right 7834780 0020 LV cover 7834782 0021 Support 7820175 0022 Hinges 2 pce 7820180 0023 Outside temperature sensor NTC 10 kΩ 7837053 0024 Wall mounting base 7151941 0025 Mating plug for main PCB 7832...

Page 101: ...15 0016 0021 0020 0012 0018 0002 0001 0019 0030 0031 0032 0017 0023 0014 0011 0009 0013 0008 0010 0024 0022 0025 0026 0027 0003 0004 0005 0006 0007 Parts lists Heat pump control unit cont 5516 436 GB Service ...

Page 102: ...ature 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 following conditions Room temperature C Outside temperature C Temperature Cylinder temp top constant Yes 1 K Secondary circuit flow tempera ture C Rising From Open From Open Temperature differe...

Page 103: ...p in cas cade 700C 2 External extension 7010 0 System components for ex ternal changeover 7011 0 Operating status for external changeover 7012 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 external blocking on pumps compressor 701 A 0 Common flow tem...

Page 104: ...ource output 5043 0 External heat generator Parameter Code Delivered condition Commis sioning Mainte nance Service Enable external heat source 7B00 0 Priority ext heat source in stant heating water heater 7B01 1 Dual mode temperature ex ternal heat source 7B02 100 10 C Enable external heat source for DHW heating 7B0D 0 Shutdown limit heat pump dual mode 7B0F 500 50 C Enable boiler water tempera tu...

Page 105: ...HW 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 booster heaters for DHW heating 6014 0 Enable electric heaters for DHW heating 6015 1 Priority DHW heating with combi cylinder 6016 0 Start attempts for DHW after high pressure shutdown 6017 1 Cylinder primary pump ena ble 601F 0 Operating mode...

Page 106: ...n and service instructions for solar control module type SM1 Electric booster heater Parameter Code Delivered condition Commis sioning Mainte nance Service Enable instantaneous heat ing water heater 7900 0 Enable electric heaters for DHW heating 7901 1 Enable instant heating water heater for central heating 7902 1 Max output instantaneous heating water heater 7907 3 Output for instant heating wate...

Page 107: ...ng time high efficiency circulation pump 7365 5 s 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 buffer cyl 7202 500 50 C Hysteresis temperature heat ing buffer cylinder 7203 50 5 K Max temperature buffer cyl inder 7204 600 60 C Temp limit op status fixed val...

Page 108: ...circuit 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 Reduced room temperature 3001 160 16 C Remote control 3003 0 Heating curve level 3006 0 0 K Heating curve slope 3007 6 0 6 Influence room temperature hook up 300 A 10 Room temperature hook up 300 B 0 Max ...

Page 109: ... mode 4022 160 16 C Cooling Parameter Code Delivered condition Commis sioning Mainte nance Service Cooling function 7100 0 Cooling circuit 7101 1 Set room temperature sepa rate cooling circuit 7102 200 20 C Min flow temperature cool ing 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 7110 0 0 K Coo...

Page 110: ...a tion 7D0B 170 m3 h Flow rate intensive ventila tion 7D0C 215 m3 h Min supply air temperature for bypass 7D0F 160 16 C CO2 value for raising the flow rate 7D18 800 ppm Humidity value for raising the flow rate 7D19 65 Interval time frost protection ventilation 7D1A 15 min Intensive ventilation dura tion 7D1B 120 min Actual source room tempera ture 7D1D 1 Heating circuit for blocking bypass damper ...

Page 111: ...E12 0 Enable own energy con sumption for heating 7E13 0 Raise set DHW cylinder tem perature PV 7E21 0 0 K Raise set heating water buffer cylinder temp PV 7E22 0 0 K Raise set room temperature PV 7E23 0 0 K Time Parameter Code Delivered condition Commis sioning Mainte nance Service Automatic changeover sum mertime wintertime 7C00 1 Start summertime month 7C01 3 Start summertime week 7C02 5 Start su...

Page 112: ...ber 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 temperature 77FD 0 Source time 77FE 0 Send time 77FF 0 Control Parameter Code Delivered condition Commis sioning Mainte nance Service Lock out controls 8800 0 Commissioning service reports Control parameters report cont 5516 436 GB ...

Page 113: ...1 3 00 Cooling capacity data to EN 14511 A35 W18 Rated cooling capacity kW 8 10 9 00 Power consumption kW 3 01 3 45 Energy efficiency ratio EER 2 70 2 65 Cooling capacity data to EN 14511 A35 W7 Rated cooling capacity kW 6 30 7 23 Power consumption kW 3 15 3 71 Energy efficiency ratio EER 2 00 1 96 Heat yield Max fan rating at 600 rpm W 70 70 Air volume m3 h 3000 3000 Min air intake temperature C ...

Page 114: ...scroll Hermetically sealed scroll Dimensions Total length mm 1100 1100 Total width mm 1100 1100 Total height mm 1980 1980 Total weight kg 250 250 Permissible operating pressure bar 3 3 MPa 0 3 0 3 Connections Heating water flow and return R 1 1 Condensate hose Ø internal external mm 27 32 27 32 Total sound power level A weighted total sound power level 50 Hz to 10 kHz at A7 3 K W55 1 K Min dB A 49...

Page 115: ...fully installed and filled Electrical installation completed Hydraulic lines fully thermally insulated 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 work that is requested to be carried out by Viessmann ...

Page 116: ...78 EN 61 000 3 2 BGR 500 chapter 2 35 In accordance with the following Directives this product is designated with _ 97 23 EC 2006 95 EC 2002 95 EC 2011 65 EC 2004 108 EC Details according to the Pressure Equipment Directive 97 23 EC Category I module A The product characteristics determined as system values for the product Vitocal 300 A see technical guide can be utilised to assess the energy cons...

Page 117: ... V 53 Compressor switching module 24 Concrete foundation 9 12 Condensate drain 9 11 12 21 Connection 20 Condensate drain hose 7 21 93 Condensate drain pan 88 95 Condenser 90 Conditions for siting 8 Connecting cables 11 12 13 14 15 23 24 30 Connecting to heat pump 23 Connecting to heat pump control unit 30 Connection conditions 52 Connection hose 18 Connections 114 Condensate drain 20 Electrical 12...

Page 118: ...n 13 Frost protection function 8 Fuse F1 83 Fuse F3 83 Fuse protection 114 H Heating circuit connection 19 Heating circuit pump 71 Heating water flow 7 Connection 18 Heating water return 7 Connection 18 Heat pump Cleaning 65 Closing 57 77 Siting 8 17 Starting 66 Heat pump control unit 13 Adaptation 30 Fitting 26 Open 28 High pressure sensor 80 91 Hydraulic connecting lines 13 Hydraulic connections...

Page 119: ...0 P Panel 26 Parameter Immersion heater 74 Parameters Cooling function 76 Electric booster heater 75 External functions 72 External heat source 74 For DHW circulation pump 71 For external extension 72 For heating circuit pump 71 For mixer extension kit 71 For pumps and other components 71 For Vitocom 100 72 Heat pump cascade 73 Instantaneous heating water heater75 On site components 69 Report 102 ...

Page 120: ...ry circuit Connection 18 Draining 81 Secondary circuit return temperature sensor 80 Selecting the parameter group 69 Sensor curves 81 Sensors Checking 81 Curves 81 Service menu Calling up 69 Disabling 69 Enabling 69 Setting parameters 69 Sewer system 9 Siting 8 Solar thermal system Parameter settings 75 Spare parts 85 Specification 113 Standard tariff meter 54 55 Starting Heat pump 66 System 66 St...

Page 121: ...121 V Ventilation 77 Venting 62 Vitocom 72 W Wall duct 13 14 Wall ducts 14 Warranty 66 Water quality 62 Weight 10 Wiring chamber 22 Keyword index Keyword index cont 5516 436 GB ...

Page 122: ...122 5516 436 GB ...

Page 123: ...123 5516 436 GB ...

Page 124: ...tonwood 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 5516 436 GB Subject to technical modifications ...

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Viessmann VITOCAL 300-A, Installation And Service Instructions For Contractors

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