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Viessmann VITOCAL 350-A, Installation And Service Instructions Manual

The Viessmann VITOCAL 350-A is a high-performance heat pump designed for efficient heating and cooling. With its advanced specifications and user-friendly interface, this product ensures optimal temperature control in any environment. Download the free user manual from our website manualshive.com for step-by-step instructions and easy setup.

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92

Connecting the temperature limiter for limiting the maximum temperature of
underfloor heating systems

Connection with temperature limiter,
general

M

1~

C

B

1X2.N

?

A

1X1.

A

Connection to PCB 2, see following
table

B

Temperature limiter

C

Heating circuit pump A1, M2

Connection with temperature limiter
(part no. 7151 728, 7151 729)

M

1~

C

B

sÖ

1X2.N

?

A

1X1.

A

Connection to PCB 2, see following
table

B

Temperature limiter

C

Heating circuit pump A1, M2

Heating circuit

Connection to PCB 2

Heating circuit A1 without heating water buffer cylinder

2X8.7

Heating circuit A1 with heating water buffer cylinder

2X7.9

Heating circuit M2

2X8.11

Installation sequence

 Electrical connections in the heat pump control…

 (cont.)

5414 828 GB

Summary of Contents for VITOCAL 350-A

Page 1: ... and service instructions for contractors VIESMANN Vitocal 350 A Type AWH I AWH O Air water heat pump with electric drive 400 V For applicability see the last page VITOCAL 350 A 5414 828 GB 9 2009 Please keep safe ...

Page 2: ...instructions regarding the pre vention of accidents all legal instructions regarding envi ronmental protection the Code of Practice of relevant trade associations all current safety regulations as defined by DIN EN DVGW VDE and all locally applicable standards Working on the system Isolate the system from the power sup ply and check that it is no longer live e g by removing a separate fuse or by m...

Page 3: ... the heating system can com promise its function Installing non authorised components and non approved modifications or conversions can compromise safety and may invalidate our warranty For replacements use only orig inal spare parts supplied or approved by Viessmann Safety instructions Safety instructions cont 5414 828 GB ...

Page 4: ...rcuits and condensate drain 64 Electrical connections in the control panel 68 Electrical connections in the heat pump control unit 75 Power supply 104 Closing the heat pump 114 Service instructions Commissioning inspection maintenance Steps commissioning inspection and maintenance 116 Further details regarding the individual steps 117 Troubleshooting Control unit diagnostics 131 Measures in case t...

Page 5: ...180 Defrost stop temperature 181 Control settings external heat source Enable external heat source 182 Priority of external heat sources 182 Dual mode temperature 182 External heat source for DHW 183 DHW control settings Set cylinder temperature 184 DHW switching times 184 Minimum temperature for DHW cylinder 184 Maximum temperature for DHW cylinder 184 Hysteresis Hysteresis booster heater 185 DHW...

Page 6: ...control 197 Heating curve slope level 197 Influence of room temperature hook up 197 Room temperature hook up heating circuits 198 Maximum set flow temperature 198 Control settings communication LON communication module 200 LON system number LON subscriber number 200 Fault manager 201 Time via LON 201 Outside temperature via LON 202 Data receive interval 202 Heat pump numbers in a cascade 203 Date ...

Page 7: ...ce reports Hydraulic parameters report 241 Control parameters report 241 Specification 245 Appendix Heat pump commissioning order 249 Certificates Declaration of conformity 250 Keyword index 251 Index Index cont 5414 828 GB ...

Page 8: ...l press both cores together into a single wire ferrule If the compressor and or instantane ous heating water heater accessory are operated at a lower tariff power OFF provide an additional cable for the power OFF signal e g NYM 3 x 1 5 mm2 from the distribution board meter box to the heat pump control unit see page 105 The number of power cables from the distribution board meter box to the heat pu...

Page 9: ...sive dust e g through grinding polishing work Avoid continuously high humid ity levels e g through frequent drying of washing Please note Overloading the floor can result in building damage Observe the permissible floor load Total weight AWH I 110 287 kg AWH I 114 297 kg AWH I 120 361 kg To prevent structure borne noise never set up the appliance on ceilings with wooden joists e g in the attic Obs...

Page 10: ... on the left delivered condition hydraulic connections on the right on site A Wall outlet duct part made of EPP expanded polypropylene B Weather grilles C Connection on the inlet side made of EPP air inlet D Heat pump E Connection on the discharge side made of EPP air discharge F 90 bend made of EPP Preparing for installation Internal heat pump type AWH I cont 5414 828 GB ...

Page 11: ...imensions for installation in a corner 1330 532 1330 935 d 830 990 g O K F F B Discharge side on the left delivered condition hydraulic connections on the right on site A Wall outlet OKFFB Top edge finished floor Preparing for installation Internal heat pump type AWH I cont 5414 828 GB Installation ...

Page 12: ...8 1020 120 686 1180 Information regarding shell dimen sion d In unfinished buildings please note that the thickness of the final coating render must be added to the wall clearance d Preparing for installation Internal heat pump type AWH I cont 5414 828 GB ...

Page 13: ...2 127 h 810 b f 700 Discharge side on the left delivered condition hydraulic connections on the right on site A External rendering B Wall Preparing for installation Internal heat pump type AWH I cont 5414 828 GB Installation ...

Page 14: ...oam all round F Plaster finish wall coating Dimensions Type AWH I b d e f h 110 367 523 118 95 845 114 217 588 183 85 995 120 64 686 284 107 1148 Information regarding shell dimen sion d In unfinished buildings please note that the thickness of the final coating render must be added to the wall clearance d Preparing for installation Internal heat pump type AWH I cont 5414 828 GB ...

Page 15: ...nsate drain can be routed out of the heat pump to the left or right A Cable entries B Heating water return DHW cylinder return see page 64 C Condensate drain D Heating water flow DHW cylinder flow see page 64 Preparing for installation Internal heat pump type AWH I cont 5414 828 GB Installation ...

Page 16: ...it 230 V 50 Hz Recommended cable 3 x 1 5 mm2 C Power cables for further compo nents and functions Pumps pump control Mixer Sensors Auxiliary functions power OFF external blocking external demand external heat source control etc Fault message Two way shut off valve Communication facilities KM BUS Remote control D Two connecting cables fully wired 5 15 or 30 m Control cable 230 V Low voltage cable 4...

Page 17: ... heat pump to the control panel 3 4 m plus wall clearance for cable entry from the left 3 4 m plus wall clearance minus appli ance width for cable entry from the right External heat pump type AWH O Please note Avoid damaging the appliance during handling Never put weight on the top front or side panels of the appliance Please note Installing a compressor at a steep angle inside the heat pump can r...

Page 18: ...reeze or drain the circuit see page 29 To prevent air short circuits and higher sound emissions through reflection avoid installing the equip ment in recesses on building corners or between two walls Lawn areas and vegetation can reduce noise develop ment Only the heat pump foundations should therefore be made from rever berative material concrete Never install the heat pump next to liv ing rooms ...

Page 19: ... pump from below The foundations supporting surface and cable ducts must be designed to prevent rodents from entering the heat pump and the cable ducts Drain all condensate derived from the air subject to temperature and relative humidity up to 20 l h via a DN 40 drain pipe which should be protected from frost and provide a steady fall If possible connect the condensate drain to a drainage or sewe...

Page 20: ...the condensate can be soaked away down to a frost free depth into a gravel bed Technical guide Weight with silencer hoods AWH O 110 325 kg AWH O 114 335 kg AWH O 120 400 kg Preparing for installation External heat pump type AWH O cont 5414 828 GB ...

Page 21: ... 1080 AWH O 114 1230 AWH O 120 1400 100 1150 300 250 390 320 195 315 340 75 145 240 Plan view of the foundations A Installation area of the heat pump on concrete foundations Preparing for installation External heat pump type AWH O cont 5414 828 GB Installation ...

Page 22: ...of the heat pump D Soft ground gravel or crushed stone E Recess in the foundations to route the heating water flow and return condensate drain connecting cables LV and control cables and power cable to the control panel F Cable entry for heating water flow and return G KG conduit DN 100 for connecting cables LV and control cables and power cable to the control panel H Condensate drain DN 50 Prepar...

Page 23: ...ord ance with the standard rules of building engineering B Frost protection compacted crushed stone the thickness of the layer is subject to local conditions and the standard rules of building engineering C Hydraulic connection set heating water flow and return Preparing for installation External heat pump type AWH O cont 5414 828 GB Installation ...

Page 24: ...he concrete foundations trim the hydraulic connection pipes heating water flow and return install the connection fittings and provide frost protection Preparing for installation External heat pump type AWH O cont 5414 828 GB ...

Page 25: ... 946 1885 e 946 Side view shown without silencer hood Note Cable entries are cut into the sealing mat in the floor panel on site see page 72 Preparing for installation External heat pump type AWH O cont 5414 828 GB Installation ...

Page 26: ...ng water return for installation see page 65 D Silencer hoods for installation see page 60 Dimensions Type AWH O e f g h 110 655 456 500 1380 114 655 754 798 1530 120 655 601 645 1700 Cables for installation see from page 68 and hydraulic pipes Preparing for installation External heat pump type AWH O cont 5414 828 GB ...

Page 27: ...nel with one contactor in the building H Connecting cable with plug for con trol module instantaneous heating water heater approx 1 6 m long K Instantaneous heating water heater accessory install in building L Flow temperature sensor secon dary circuit install in the heating water flow inside the building see page 66 Cable with plug 2 0 m long extend on site if required M DHW cylinder flow heating...

Page 28: ...for compressor fan 400 V 50 Hz 3 N PE Recommended cable 5 x 2 5 mm2 U Moisture proof and waterproof wall ducts on site V Pipe liner with wall seal flange for hydraulic connection line acces sory W Route connecting cable LV cable 42 V D and power cable to con trol panel R as far apart as possi ble X Underground channel Y Condensate drain on site Z Foundations for the heat pump Preparing for install...

Page 29: ...uld not be detected holiday home the heating circuits can be oper ated with suitable antifreeze Power cable to control panel R Outside the building run the power cable to control panel R as an earth cable NYY or route a NYM cable inside a KG conduit for sizing see technical guide Observe the regulations imposed by your local power supply utility Ensure on site wall duct U is moisture and water pro...

Page 30: ...urce 0 1 0 1 0 0 0 0 0 0 0 0 Swimming pool 0 0 0 0 0 0 0 0 0 0 0 Solar ther mal system only with Vitosolic 100 200 0 0 0 0 0 0 X Essential components 0 Optional components Function description for the system examples Note The sample applications are recommen dations only and must be checked on site for completeness and function Please observe the applicable regula tions and directives for design i...

Page 31: ...linder oper ated in parallel Applications for a heating water buffer cylinder Bridging power OFF periods At peak times heat pumps may be switched off by your local power sup ply utility subject to your electricity tar iff A heating water buffer cylinder sup plies the heating circuits even during this power OFF period Constant flow rate through the heat pump Heating water buffer cylinders provide h...

Page 32: ...e than Hyst booster heater Note The immersion heater EHE accessory in the DHW cylinder and the external heat exchanger stop as soon as the set value at the top temperature sensor is reached minus a hysteresis of 1 K Instantaneous heating water heater accessory An electric instantaneous heating water heater can be integrated in the heating water flow as an auxiliary heat source Protect the instanta...

Page 33: ...rce e g oil boiler Ext heat source The external heat source is hydraulically connected to let the heat pump also be used as a return temperature raising facility for the boiler System separation is provided either with a low loss header or heating water buffer cylinder For optimum heat pump operation the external heat source must be integrated via a mixer into the heating water flow A quick reacti...

Page 34: ...requirement for providing a lower tariff This must not shut down the power sup ply to the heat pump control unit System example 1 Select system scheme 6 see pages 30 and 169 1 heating circuit without mixer A1 1 heating circuit with mixer M2 DHW heating with DHW cylinder Heating water buffer cylinder Option DHW heating with a solar thermal sys tem Note The hydraulic diagram shows a Vitocal 350 A ty...

Page 35: ...s heating water heater accessory with control module 4 Heat pump control unit with connecting cable to the heat pump 5 Circulation pump for cylinder heating accessory 6 Secondary pump accessory 8 Safety assembly accessory 9 Expansion vessel accessory qP Outside temperature sensor qQ KM BUS distributor Preparing for installation System example 1 cont 5414 828 GB Installation ...

Page 36: ...tion on the Vitocell 100 V type CVW rZ High limit safety cut out STB if required rU Connection extension Heating water buffer cylinder tP Heating water buffer cylinder tQ Buffer cylinder temperature sensor tW System flow temperature sensor Heating circuit without mixer A1 zP Radiator heating circuit zQ Vitotrol 200 remote control zW Overflow valve zE Heating circuit pump Heating circuit with mixer...

Page 37: ...1 eW ZP A1 X8 7 M 1 UP6 A aCJ 2 X7 5 X8 8 230 V 50 Hz 16 A L1 N 130 W 50 W 100 W 130 W LP1 X2 N 230 V X2 N X1 X2 N X1 X2 N X1 X2 N X1 X1 X2 N X2 N X1 X2 1 X3 18 X1 1 X1 100 W A Control module for instantaneous heating water heater LP PCB see page 76 Preparing for installation System example 1 cont 5414 828 GB Installation ...

Page 38: ...UP M 1 Pt 500 Pt 500 230 V 50 Hz STS rW rR rP STB rZ F8 Pt 500 qW aVG 1 2 qQ M 1 rT 3 4 1 2 on off 3 4 1 2 on off 2 1 aVG rQ L N R1 N 1 2 S1 S2 R2 R1 N STB R2 N L L N rU Low voltage LP3 X1 25 X2 25 X1 9 X2 9 X1 10 X2 10 X1 22 X2 22 X1 16 X2 16 X1 14 X2 14 X1 20 X2 20 2 1 Preparing for installation System example 1 cont 5414 828 GB ...

Page 39: ...l Yes System example 2 Select system scheme 10 see pages 30 and 169 1 heating circuit without mixer A1 2 heating circuits with mixer External heat source for heating and DHW DHW heating with a cylinder primary store Heating water buffer cylinder Swimming pool Note The hydraulic diagram shows a Vitocal 350 A type AWH O With type AWH I an instantaneous heating water heater accessory is installed in ...

Page 40: ... M oT oP oQ oW oE wU wP wW wE qQ 4 8 oR 2 5 6 wT wR eT eZ eP eW eE eQ tQ zE iZ zE zP zW uP uW iP iW iT iR uT uR uE zQ uQ iQ eR tP iE qW qP uZ 9 wZ A EXT B Preparing for installation System example 2 cont 5414 828 GB ...

Page 41: ... demand wW Mixer motor wE External heat source temperature sensor system flow temperature sen sor wR High limit safety cut out 70 C for shutting down the external heat source on site wT High limit safety cut out 70 C for switching off the secondary pump on site wZ Circulation pump for DHW reheating in conjunction with on site immersion heater only with additional contactor see page 210 wU Boiler w...

Page 42: ...maximum temperature of underfloor heating systems uT Heating circuit pump uZ Mixer motor three way mixer Heating circuit with mixer M3 iP Radiator heating circuit with mixer motor controlled via KM BUS iQ Vitotrol 200 remote control iW Heating circuit overflow valve iE Flow temperature sensor iR Extension kit for one heating circuit with mixer iT Heating circuit pump iZ Mixer motor Swimming pool o...

Page 43: ... CLOSED wQ 230 V 50 Hz X2 1 X1 1 L1 N X1 X1 X2 N X1 X2 N X1 X2 N X2 N X2 N X1 X8 10 X8 11 X7 9 X7 1 X7 2 X7 10 X7 7 X7 8 X3 18 wR High limit safety cut ou 130 W 100 W 16A A On site contactor relay B Use jumper from 1X3 1 to 2X7 1 LP PCB see page 76 Preparing for installation System example 2 cont 5414 828 GB Installation ...

Page 44: ... 4 X8 13 X7 5 X8 8 eZ eE M 1 M X8 12 STB wT 50 W 130 W 130 W M 1 100 W 230 V LP1 X1 X2 N X2 N X2 N X1 X1 X2 N X1 X2 N X1 16A L1 L2 L3 N A Control module for instantaneous heating water heater Preparing for installation System example 2 cont 5414 828 GB ...

Page 45: ...Ö 1 2 M 1 M 1 aVG aVG aVD 1 2 3 TST 1 2 1 2 oQ 3 4 on off 2 1 zQ A1 3 4 on off 2 1 uQ M2 Low voltage X1 25 LP3 4 3 4 on off 2 1 iQ M3 fÖ iR 230 V 50 Hz 1 2 L N 1 2 1 2 X2 25 230 V 50 Hz L N oW gÖ L N oR L1 L2 L3 400 V 50 Hz UP M 3 Preparing for installation System example 2 cont 5414 828 GB Installation ...

Page 46: ... X2 4 LP3 4 Control panel N 400 V 50 Hz L3 16 A 16 A 16 A L1 L2 N L3 L1 L2 Required parameters code to be entered by Contractor 5243 Parameter Setting System definition System scheme 10 DHW circulation pump Wtimer DHW Circ Setting switching times External extension Yes Swimming pool Yes Ext heat source Ext heat source Yes Ext heat source for DHW Yes Preparing for installation System example 2 cont...

Page 47: ... Yes Heating circuit M2 Remote control Yes Heating circ M3 Remote control Yes DHW heating AWH I 110 AWH O 110 only DHW cylinder with internal indirect coil KW 2 1 4 5 3 WW A 6 A Heat pump interface KW Cold water WW DHW Preparing for installation System example 2 cont 5414 828 GB Installation ...

Page 48: ...ion pump optional 4 Cylinder temperature sensor top 5 Cylinder temperature sensor bottom optional 6 Circulation pump for cylinder heating for type AWH O accessory for type AWH I integral three way diverter valve Heating DHW LP1 LP2 x7 11 ZP 3 x2 N x1 M 1 x8 13 x2 N L1 L2 L3 N 2 x7 10 x2 N x1 M 1 UP 6 4 STS LP3 x1 13 x2 13 x1 14 x2 14 F7 Pt 500 F6 Pt 500 STS 5 LP PCB see page 76 Preparing for insta...

Page 49: ... pump interface KW Cold water WW DHW Required Equipment Pos Description 1 Cylinder 2 Immersion heater EHE accessory provide wiring on site Only use as an alternative to the instantaneous heating water heater or external heat source for DHW reheating 3 DHW circulation pump optional 4 Cylinder temperature sensor top 5 Cylinder temperature sensor bottom optional 6 Circulation pump for cylinder heatin...

Page 50: ...e normally closed qP Cylinder primary pump LP1 LP2 ZP 3 x2 N x1 M 1 x8 12 x2 N x1 x8 13 x2 N L1 L2 L3 N 2 x7 10 x2 N x1 M 1 UP 8 x1 13 x2 13 x1 14 x2 14 STS 9 F7 Pt 500 LP3 M 1 x7 11 M UP qP 5 F6 Pt 500 4 STS LP PCB see page 76 Preparing for installation DHW heating cont 5414 828 GB ...

Page 51: ...ing System definition System scheme 0 2 4 6 8 10 DHW circulation pump Wtimer DHW Circ Setting switching times DHW Switching times DHW Setting switching times Temperature sensor 2 Yes No Booster heater Yes No Preparing for installation DHW heating cont 5414 828 GB Installation ...

Page 52: ...52 Please note Transport brackets must be removed Fitting the outer panels Installation using type AWH I as an example Installation sequence Removing the transport brackets 5414 828 GB ...

Page 53: ...pe AWH I For type AWH O Fit silencer hoods before the top panel Fitting the silencer hoods see the fol lowing chapter Fitting the top panel see step 12 9x 3x 3x 3x 1 2 4 3 Installation sequence Fitting the outer panels cont 5414 828 GB Installation ...

Page 54: ...54 5 3x 7 6 3x 3x 3x Installation sequence Fitting the outer panels cont 5414 828 GB ...

Page 55: ...rge on the l h side delivered condi tion For installation with air discharge on the r h side see the following dia gram To ease installation apply a soapy solu tion to the edges of the side panel insu lation Installation sequence Fitting the outer panels cont 5414 828 GB Installation ...

Page 56: ...56 3x 5 7 6 3x 3x 3x Type AWH I only for side panel installation with air discharge on the r h side Installation sequence Fitting the outer panels cont 5414 828 GB ...

Page 57: ...57 3x 8 9 3x 3x 3x Installation sequence Fitting the outer panels cont 5414 828 GB Installation ...

Page 58: ...58 2x 10 11 3x 3x Installation sequence Fitting the outer panels cont 5414 828 GB ...

Page 59: ...59 Note For type AWH O fit silencer hoods before the top panel Fitting the silencer hoods see the fol lowing chapter 12 Installation sequence Fitting the outer panels cont 5414 828 GB Installation ...

Page 60: ...60 4 mm 4x 4x 4x 3 2 1 2 2 Installation sequence Fitting the silencer hoods only type AWH O 5414 828 GB ...

Page 61: ...lets in the wall cut outs and plaster them in correctly 2 Finish off the external part of the ven tilation and extract air ducts with weather grilles Levelling the heat pump Position and level the heat pump as described on page 8 or page 17 see the following diagrams Secure heat pump type AWH O to the foundations Installation sequence Installing the heat pump 5414 828 GB Installation ...

Page 62: ...62 Type AWH I 1 Installation sequence Installing the heat pump cont 5414 828 GB ...

Page 63: ...63 Type AWH O 2 3 4 5 4x 1 Installation sequence Installing the heat pump cont 5414 828 GB Installation ...

Page 64: ...rd the minimum flow rate see specification on page 246 Equip the secondary circuit on site with an expansion vessel Type AWH I 1 2 3 1 Push heating water return DHW cyl inder return C onto connection and secure with both plug in connector retainers 2 Push heating water flow DHW cylin der flow A onto connection and secure with both plug in connector retainers Installation sequence Connecting the he...

Page 65: ...evel at least 60 mm into an on site drain connection Technical guide Type AWH O 2 1 3 1 Cut suitable entries in sealing mat B for hydraulic pipes A C and condensate drain D 2 Push heating water return DHW cyl inder return C onto connection and secure with both plug in connector retainers Installation sequence Connecting the heating circuits and condensate cont 5414 828 GB Installation ...

Page 66: ...C to the pipes in the foundation duct see page 23 Please note Water carrying pipes can freeze up Thermally insulate pipes inside and outside the heat pump against frost Installing the flow temperature sensor secondary circuit The flow temperature sensor for the sec ondary circuit is installed in the heating water flow inside the building Note If an instantaneous heating water heater accessory is i...

Page 67: ...pring clip B in sensor well 3 Connect sensor lead plug D and lead to the heat pump control unit Lead with plug 2 0 m long extend on site if required Connection in the heat pump control unit to PCB 3 sensor PCB see page 89 Installation sequence Connecting the heating circuits and condensate cont 5414 828 GB Installation ...

Page 68: ... Release internal earth conductor B before removing the cover Pull the control panel cover off down wards and lift out upwards Note In the delivered condition the coding card is affixed inside the control panel Remove the coding card and insert into the heat pump control unit see page 86 Installation sequence Electrical connections in the control panel 5414 828 GB ...

Page 69: ...ntrol module instantaneous heating water heater accessory Type AWH O The control module for the instanta neous heating water heater is instal led on the wall inside the building adjacent to the instantaneous heat ing water heater see separate installation instructions L Mains terminals 400 V for com pressor and fan with contact shield and power OFF seal if required M Full wave soft starter Install...

Page 70: ...anger 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 Installation sequence Electrical connections in the control panel cont 5414 828 GB ...

Page 71: ...71 Type AWH I A One cable entry each for LV and 230 V 400 V cables B Mains terminals Installation sequence Electrical connections in the control panel cont 5414 828 GB Installation ...

Page 72: ... cable ties F Retaining clip for cables Type AWH O A Sealing mat for cable entry from below B Mains terminals C Power cable 400 V with cable fit ting D Connecting cables with plugs LV cable 42 V and control cable 230 V E Cable bracket cables secured with cable ties Installation sequence Electrical connections in the control panel cont 5414 828 GB ...

Page 73: ...he control panel with a loop see previous diagram to the cable bracket 4 Push the connecting cable LV cable 42 V and control cable 230 V from the heat pump control unit into the corresponding plug in connector on the distributor PCB in the control panel 5 Route 400 V power cable through cable entry and apply strain relief Carry out the power connection according to page 104 Note The 400 V power co...

Page 74: ...6 X9 2 3 4 1 5 4x X1 Plug in strip for connecting cable control cable 230 V heat pump control unit control panel X2 Plug in strip for connecting cable control cable 230 V heat pump control unit control panel Installation sequence Electrical connections in the control panel cont 5414 828 GB ...

Page 75: ...e facility contac tor can be greater than specified However never exceed the breaking capacity of the corresponding relay see page 245 Route 230 V cables and LV cable sep arately and bundle tightly near their terminals This ensures that in case of failure for example when detaching a wire the wires cannot drift into the adjacent voltage area Strip the insulation as close to the ter minals as possi...

Page 76: ...2 A PCB 1 cross connect PCB B Fuse F1 for the heat pump control unit on PCB 1 C PCB 2 main PCB D Slot for coding card on PCB 2 E PCB 3 sensor PCB F Slot for LON communication module on PCB 3 sensor PCB Installation sequence Electrical connections in the heat pump control cont 5414 828 GB ...

Page 77: ...dary pump Instantaneous heating water heater control stage 1 X9 Internal connections X10 Internal connections X11 Terminals X15 Programming unit connection X16 Internal connections Terminal strips on PCB 3 E sensor PCB X1 KM BUS and sensor connec tions Outdoor temp Heating water buffer cylinder temperature Boiler temperature external heat source Flow temperature heating cir cuit with mixer M2 Syst...

Page 78: ...78 Installing the mounting bracket and back part of heat pump con trol unit 1 2 Installation sequence Electrical connections in the heat pump control cont 5414 828 GB ...

Page 79: ... 17 X2 2 X2 3 X3 16 4 1 C X3 1716 B A X2 2 3 8 A PCB 1 cross connect PCB B Blue cores C Black cores D Back view of ON OFF switch E PCB 2 main PCB F Back view of programming unit Installation sequence Electrical connections in the heat pump control cont 5414 828 GB Installation ...

Page 80: ...80 Opening the heat pump control unit 1 3 2 Installation sequence Electrical connections in the heat pump control cont 5414 828 GB ...

Page 81: ... Inserting cables and applying strain relief A Cables with moulded strain relief B On site cables leads Installation sequence Electrical connections in the heat pump control cont 5414 828 GB Installation ...

Page 82: ...d inside type AWH I or outside type AWH I AWH O the heat pump The circulation pump for cylinder heating can only be installed outside the heat pump Subject to system design remove one or more of the 4 red cores according to the following diagram Installation sequence Electrical connections in the heat pump control cont 5414 828 GB ...

Page 83: ...l strip X6 2X7 PCB 2 main PCB terminal strip X7 2X8 PCB 2 main PCB terminal strip X8 4 red cores A 2X8 7 1X6 6 B 2X8 8 1X6 2 C 2X7 5 1X6 1 D 2X7 10 1X6 4 Installation sequence Electrical connections in the heat pump control cont 5414 828 GB Installation ...

Page 84: ...eater control Type AWH I E Instantaneous heating water heater optional accessory Red cores to be removed see illustra tion on page 83 A 2X8 7 1X6 6 D 2X7 10 1X6 4 Electrical connections of the compo nents The following components are connec ted in the heat pump control unit see from page 205 Secondary pump Circulation pump for cylinder heating The following components are connec ted in the heat pu...

Page 85: ...205 Circulation pump for cylinder heating The following components are connec ted in the heat pump control panel see separate installation instructions and from page 68 Secondary pump Note For electrical connection of the on site secondary pump see page 85 Instantaneous heating water heater Electrical connection of the on site secondary pump M 1 25 L N BK GN YE BU Installation sequence Electrical ...

Page 86: ...86 2 3 4 1 Plug in coding card Only use the coding card supplied with the heat pump see page 68 Installation sequence Electrical connections in the heat pump control cont 5414 828 GB ...

Page 87: ...87 B A A Coding card B PCB 2 main PCB Installation sequence Electrical connections in the heat pump control cont 5414 828 GB Installation ...

Page 88: ...X5 X7 X1 A PCB 1 cross connect PCB B PCB 3 sensor PCB C Connecting cable LV cable 42 V heat pump control unit control panel D Connecting cable control cable 230 V heat pump control unit control panel Installation sequence Electrical connections in the heat pump control cont 5414 828 GB ...

Page 89: ...module accessory A B A LON communication module B PCB 3 sensor PCB Sensors Note For PCB locations and terminal markings see from page 76 Installation sequence Electrical connections in the heat pump control cont 5414 828 GB Installation ...

Page 90: ...perature sensor secondary circuit Type AWH I Internal connection Type AWH O Install on site inside the building in the heating water flow if necessary extend cable with plug 2 0 m long on site 3X1 20 3X2 20 F8 Pumps Note For PCB locations and terminal markings see from page 76 For parameter settings see from page 168 Appliance Connection Required parameters Parameter Ó setting Circulation pump for...

Page 91: ...pump for heating circuit with mixer M3 Plug sÖ in extension kit see page 45 System definition System diagram Ó with heating circuit M3 Solar circuit pump collector pump See Vitosolic installation instruc tions at R1 of the Vitosolic see page 38 No parameters need to be set DHW circulation pump max 50 W 2X7 11 1X1 1X2 N see page 48 System definition Switching times aux out put Ó Setting switching t...

Page 92: ... A1 M2 Connection with temperature limiter part no 7151 728 7151 729 M 1 C B sÖ 1X2 N A 1X1 A Connection to PCB 2 see following table B Temperature limiter C Heating circuit pump A1 M2 Heating circuit Connection to PCB 2 Heating circuit A1 without heating water buffer cylinder 2X8 7 Heating circuit A1 with heating water buffer cylinder 2X7 9 Heating circuit M2 2X8 11 Installation sequence Electric...

Page 93: ...M3 M 1 C B A sÖ sÖ A Plug sÖ for extension kit B Temperature limiter C Heating circuit pump M3 Further components Note For PCB locations and terminal markings see from page 76 For parameter settings see from page 168 Installation sequence Electrical connections in the heat pump control cont 5414 828 GB Installation ...

Page 94: ...kit installation instructions Remote control e g Vitotrol 200 Observe heating circuit alloca tion via DIP switch 3X1 25Ó1 aVG 3X2 25Ó2 aVG see page 45 Heating circuit 1 or Heating circuit 2 or Heating circuit 3 Remote control Ó Yes Note Set the DIP switch remote con trol for heating circuit allocation see remote control installation instructions External extension H1 KM BUS connection 3X1 25Ó1 aVG...

Page 95: ... heater acces sory Required parameters Parameter Ó setting Electric heater Inst heating water heater Ó Yes Power OFF The supply voltage to the relevant components subject to power supply utility is switched off by the power OFF contact signal 1X3 7 1X3 6 A B A Terminals on PCB 1 B Zero volt N C contact Breaking capacity 230 V 0 5A remove jumper when making this connection Contact open Power OFF en...

Page 96: ... Install a high limit safety cut out or take further measures if required Note The switching contact to demand heat from an external heat source in the heat pump Ext HS for DHW is a zero volt N O contact that closes in case of heat demand This contact can be subjected to a load of 230 V 4 2 A in case of an external voltage supply Never route low volt age via this contact that requires an on site r...

Page 97: ...eters Parameter Ó setting Mixer motor external heat source 2X7 7VOPEN 1X1 1X2 N 2X7 8vCLOS E see page 43 Ext heat source Ext heat source Ó Yes Control of an external heat source 2X7 1 2X7 2 see page 43 Ext heat source Ext heat source Ó Yes Circulation pump for DHW reheating Note Not possible in conjunction with an immersion heater EHE for a DHW cylinder see pages 34 48 2X8 13 1X1 1X2 N see page 44...

Page 98: ...ers code to be entered by Contractor 5243 Function Parameter Ó setting External demand No parameters need to be set the set flow tem perature for external demand can be specified parameter Set flow ext demand see page 193 External mixer OPEN System definition Ext demand Miopen Ó 0 to 7 see page 175 Observe parameter Set flow ext demand see page 193 External operating mode changeover System definit...

Page 99: ...tion Ext blocking Miclose Ó 0 to 8 see page 176 Observe parameter Ext blocking effect see page 177 Central fault message 2X7 12 L1 230 V 0 5 A N 2X7 13 A A Terminals on PCB 2 Zero volt contact open in fault free operation voltage 42 V Breaking capacity 230 V 4 2 A Note No parameters need to be set The contact issues a short pulse when the power supply is switched on Observe the pulse when processi...

Page 100: ... g operating mode changeover can be connected to External extension H1 L N L1 L2 L3 M 3 3X2 25 3X1 25 A C D F G 1 aVG 1 2 3 2 3 aVD L N gÖ B E A Terminals on PCB 3 B External extension H1 C Thermostat for swimming pool tem perature control zero volt contact 230 V 0 1 A accessory D Junction box on site E Fuses and contactor for circulation pump for swimming pool heating accessory F Circulation pump...

Page 101: ... Ó setting System definition Ext extension Ó Yes Swimming pool Ó Yes Cascade control via KM BUS Make connections to Ext extension H1 only according to the following dia gram Installation sequence Electrical connections in the heat pump control cont 5414 828 GB Installation ...

Page 102: ...Heat pump 1 lead appliance B KM BUS C External extension H1 D Zero volt contact Ext demand E Heat pump 2 lag appliance Connection at the contact for Ext demand F Zero volt contact Ext demand G Heat pump 3 lag appliance Connection at the contact for Ext demand H Zero volt contact Ext demand K Heat pump 4 lag appliance Installation sequence Electrical connections in the heat pump control cont 5414 8...

Page 103: ...pliance System definition System diagram Ó 0 to 10 Ext extension Ó Yes Cascade control Ó 1 Output lag heat pump Ó 0 to 255 see page 172 No of ext heat p Ó 1 to 3 see page 171 Lag appliance Note Set these parameters for all lag appliances System definition System diagram Ó 11 Cascade control Ó 0 Set flow ext demand Ó 0 to 70 see page 193 Installation sequence Electrical connections in the heat pump...

Page 104: ...ectrical cur rent if an electrical fault occurs The equipment and the pipework must be connected to the earth bonding of the house in ques tion Isolator for non earthed conductors The main isolator if installed must simultaneously isolate all non earthed conductors from the mains with a min imum contact separation of 3 mm If no main isolator is installed all non earthed cables must be isolated fro...

Page 105: ... unit Information regarding the heat pump control unit power supply Protect the power supply to the heat pump control unit with 16 A max For accessories and external compo nents that are not to be connected to the heat pump control unit we recom mend making the power connection via the same fuse MCB but certainly with the same phase as the heat pump control unit Connection to the same fuse MCB pro...

Page 106: ... are subject to possible shutdown must not be applied to these supplies The allocation of the power OFF for compressor and or instantaneous heating water heater is made via the type of connection and by a setting in the heat pump control unit see pages 110 and 190 In Germany the power supply can be cut off for up to 3 x 2 hours within any 24 h period Power cables The power supply is separated into...

Page 107: ...pply to instantaneous heating water heater accessory see separate installation instruc tions Recommended cable 5 x 2 5 mm2 9 kW 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 For routing power cables see from page 70 Installation sequence Power supply cont 5414 828 GB Installation ...

Page 108: ...A N 1X1 1 1X2 1 1X3 18 A Mains terminals inside the heat pump control unit Note This supply must never be blocked Max fuse rating 16 A Standard tariff no optional low tariff with power OFF Recommended cable 3 x 1 5 mm2 Installation sequence Power supply cont 5414 828 GB ...

Page 109: ...pply 400 V sealing low tariff connection for compressor 1 3 2 1 Remove contact shield C 2 Route 400 V power cable through cable entry B and apply strain relief Installation sequence Power supply cont 5414 828 GB Installation ...

Page 110: ...r OFF can be used No parameters need to be set when using low tariff with power OFF Dur ing the power OFF period the com pressor is shut down Recommended cable 5 x 2 5 mm2 Power supply with power OFF Power OFF without on site load dis connection The power OFF signal is connected directly to the heat pump control unit The compressor is forced off when power OFF is enabled Parameter Stage at power O...

Page 111: ...ontrol receiver G TNC system feed H Low tariff meter Power OFF with on site load discon nection The power OFF signal is connected to the on site contactor of the low tariff power supply and in the heat pump con trol unit The compressor and instanta neous heating water heater accessory are forced off when power OFF is ena bled Note Observe the technical connection condi tions of the relevant power ...

Page 112: ...ystem main isolator F High tariff meter G Ripple control receiver contact open power OFF enabled H Low tariff meter K TNC system feed Phase monitor The phase monitor is used to monitor the mains power supply to the compressor The following different mains supplies if adjustable are permissible in the deliv ered condition Over undervoltage 15 Phase asymmetry 15 Switching delay 4 s Installation sequ...

Page 113: ...etry in C Switching delay in s D Contact used in safety chain N O E Operating display Rel F Fault display phase failure phase sequence Ph G Fault display asymmetry Asy H Fault display over undervoltage U LEDs explained LED Rel illuminates green All voltages and the rotating field clockwise are healthy LED Ph illuminates red The relay has responded the rotating field is anticlockwise All LED s off ...

Page 114: ...114 Closing the control panel 2 1 3 A Holes for type 120 B Holes for type 114 C Holes for type 110 Installation sequence Closing the heat pump 5414 828 GB ...

Page 115: ...115 Fitting the front panel 1 2 Installation sequence Closing the heat pump cont 5414 828 GB Installation ...

Page 116: ...g the heating water side 119 5 Checking the expansion vessel and the heating circuit pressure 120 6 Checking the compressor casing temperature 121 7 Setting the control parameters 122 8 Commissioning assistant 122 9 Integrating a heat pump control unit into a LON 127 10 Closing the control panel heat pump and heat pump control unit 11 Instructing the system user 130 Commissioning inspection mainte...

Page 117: ...ait at least 30 min between the installation and the commission ing of the appliance to prevent equipment damage Work on the refrigerant circuit must only be carried out by a qualified refrigeration engi neer 1 Remove the front panels in reverse order see page 115 2 If required the control panel can be pivoted to the side see page 118 3 When work is complete close the heat pump in reverse order Re...

Page 118: ...ide 1 2 Writing reports Enter measurements taken during com missioning described in the following into the reports from page 241 onwards Commissioning inspection maintenance Further details regarding the individual steps cont 5414 828 GB ...

Page 119: ...rig erant circuit Ask a refrigeration engi neer to check the heat pump 2 Check the heat pump interior with a refrigerant leak detector or leak detection spray for refrigerant leaks Filling and venting the heating water side A Drain valve B Manual air vent valve Commissioning inspection maintenance Further details regarding the individual steps cont 5414 828 GB Service ...

Page 120: ...t equipment dam age check the flow and return connections of the secondary heat pump circuit for leaks In case of leaks immediately shut off the equipment drain the water and check the seating of the seal rings Replace all seal rings that may have become dis lodged 08 Set the operating mode selector to 9 09 Switch ON the power 10 Close manual air vent valve B after complete venting 11 Check the sy...

Page 121: ...m Equals static pressure 1 bar 3 Top up with water until the filling pres sure exceeds the pre charge pres sure of the expansion vessel On a cold system the filling pressure must be approx 0 2 bar higher than the static pressure 4 During commissioning mark this value on the pressure gauge as min imum filling pressure Checking the compressor casing temperature 1 Switch ON the heat pump and oper ate...

Page 122: ...olling some components during commissioning These do not indi cate appliance faults Commissioning assistant The commissioning assistant guides you through the commissioning in nine steps Scans checks and corrections can be made Function Explanation 1 Language selection Selecting the required language Note When the unit is first commissioned the display is in German Sprache Deutsch English Nederlan...

Page 123: ... Checking the connected functions and external components with the relay test Note Carry out the relay test for every function and every externally connected component 8 Mixer Checking the connected mixers rotational direction or diverter valves 9 Commissioning Setting all required parameters venting the sys tem and checking the function of the compo nents see page 126 10 The system starts Note Me...

Page 124: ...he Con tractor level can result in dam age to the appliance and heating system A modified value will be accepted automatically Always observe the installation instructions failure to observe these will void your warranty rights 1 Start the system with ON OFF switch A Progress bar Check System appears Commissioning inspection maintenance Further details regarding the individual steps cont 5414 828 ...

Page 125: ...sages is displayed 7 To configure the system e g select the system scheme and available components see page 169 8 BACK for Sensor temps 9 y x for the required temper ature sensor e g Outside Evapora tor etc Note Only temperatures for correctly connected sensors are displayed 10 0 to calibrate the selected temperature sensor if the displayed value dif fers from the actual value by more than 1 K 11 ...

Page 126: ...Heating circ 2 Ext heat source etc 20 OPEN CLOSE STOP to open close or stop the mixer 21 BACK for Commissioning 22 For the contents of the Commis sioning menu see the following table 23 BACK twice to end commis sioning The system is operational 24 Note Messages are displayed by man ually controlling some components during commissioning These do not indicate appliance faults Acknowledge all message...

Page 127: ...to the heating circuit of 30 C Defrosting Function check Heat pump is defrosted Lag heat pumps cas cade Function check External heat pumps are regula ted to a return temperature to the heating circuit of 30 C External heat source Function check External heat source is regula ted to a flow temperature to the heating circuit of 35 C Note The relevant symbols on the display are animated if the compre...

Page 128: ...tocom LON LON communication module installed Parameter setting LON module installed set to Yes Subscriber no 1 Parameter setting Subscriber number set to 1 Subscriber no 99 Viessmann system number Parameter setting System number set to 1 Control unit is fault manager Parameter setting Fault manager set to Yes Device is fault manager Control unit transmits the time Parameter setting Time set to 2 D...

Page 129: ...for subscriber list LON subscriber 1 BACK RESET WINK 2 3 OFF 99 12 25 1 38 1 11 1 5 ERROR OK A B A LON subscriber number page 128 B Subnet node address page 160 Displaying OK ERROR Subscriber registers a fault OFF No feedback from the sub scriber within the timeout period 5 RESET The subscriber list will be deleted and recreated after approx 2 min 6 BACK to exit the menu Commissioning inspection m...

Page 130: ...s 3 Contractor level 4 LON subscriber for subscriber list 5 y x for the required sub scriber 6 WINK Check is enabled Displaying check Subscriber check runs LON WINK flashes for 30 s on the display of the selected sub scriber if installed check OK check NOK No communication between the two devi ces Check the LON connection and codes restart sub scriber check 7 Repeat points 5 and 6 to check further...

Page 131: ...Fault indicator flashes The central fault message terminal 2X7 12 2X7 13 is activated Message via communication facility e g Vitodata Vitocom possible The system is no longer in standard mode the fault must be removed as quickly as possible Warning Message on the display e g 03 Con figuration fault Message symbol flashes The operation of the appliance is limi ted and the cause of the warning must ...

Page 132: ...ion 3 Fault messages 4 TIME for the times at which the messages occur red 5 MESSAG to return to the mes sage display 6 ALL to acknowledge all messages Recalling acknowledged messages The messages cannot be acknowl edged in the message history The messages are listed in order of occurrence with the most recent first Up to 30 entries are stored Press the following keys 1 To log on as Contractor see ...

Page 133: ...em Contact your local heating contractor if the cause of the fault cannot be rem edied 05 Fault EEV Fault message from EEV controller refrigerant cir cuit control Observe messages in heat pump module diag nosis see page 151 07 Message EEV Message from EEV con troller refrigerant circuit control Observe messages in heat pump module diag nosis see page 151 10 Outside temp sensor Operation with outsi...

Page 134: ...mperature sensor Check resistance Pt 500 at connections 3X1 19 and 3X2 19 replace sen sor if required 28 Flow sens secondary Operation with tempera ture value of return tem perature sensor in sec ondary circuit plus 5 K If both temperature sen sors secondary flow and return are faulty the heat pump stops mes sage UA9 Lead break secondary circuit flow temperature sensor Check resistance Pt 500 at c...

Page 135: ...ture sensor Check pressure drop value type Pt 500 at con nections 3X1 5 and 3X2 5 replace sensor if required 33 Hot gas Short circuit hot gas temperature sensor Check pressure drop value type Pt 500 at con nections 3X1 1 and 3X2 1 replace sensor if required 38 Flow sensor primary The heat pump will not start Break air inlet tempera ture sensor Check resistance Pt 500 at connections 3X1 24 and 3X2 ...

Page 136: ... perature sensor in heat ing circuit with mixer M3 Check resistance Ni 500 at extension kit connec tions for heating circuit with mixer replace sensor if required 43 Flow sensor system Short circuit system flow temperature sensor downstream of heating water buffer cylinder Check resistance Pt 500 at connections 3X1 9 and 3X2 9 replace sensor if required 48 Flow sensor HC2 Mixer heating circuit M2 ...

Page 137: ...ture value of the upper cylinder temperature sensor DHW heating is blocked if only one sen sor is available or both sensors are faulty Short circuit bottom cyl inder temperature sen sor Check resistance Pt 500 at connections 3X1 13 and 3X2 13 replace sen sor if required 54 DHW solar Short circuit Vitosolic cylinder temperature sensor Check sensor and replace if required see Vitosolic installation ...

Page 138: ...Check resistance Pt 500 at connections 3X1 22 and 3X2 22 replace sen sor if required 63 Ext heat source External heat source is blocked Instantaneous heating water heater if installed is enabled Short circuit external heat source temperature sensor Check resistance Pt 500 at connections 3X1 4 and 3X2 4 replace sensor if required 68 Buffer cylinder sensor Buffer cylinder is heated once every hour H...

Page 139: ...ion mode via room temper ature sensor No room temperature hook up No room temperature control Short circuit room tem perature sensor heating circuit M3 Check remote control sensor and replace if required see Vitotrol service instructions 78 Room sensor HC1 No frost protection mode via room temper ature sensor No room temperature hook up No room temperature control Break room temperature sensor hea...

Page 140: ...sor and replace if required see Vitosolic installation and service instructions 9A Collector sensor Break Vitosolic collector temperature sensor Check sensor and replace if required see Vitosolic installation and service instructions 9B Solar return sensor Break Vitosolic return temperature sensor Check sensor and replace if required see Vitosolic installation and service instructions A4 Check val...

Page 141: ...ow pressure sensor has responded 8 times within 24 h Fault EEV controller Temperature sensors in primary secondary circuit faulty Scan further messages Message history see page 132 check flow rates motor currents motor protection full wave soft starter and safety high pressure switch Note After removing fault switch appliance OFF and ON again once AB Electric heater Fault instantaneous heating wat...

Page 142: ...instan taneous heating water heater Installation instructions instantaneous heating water heater AD Mixer heat DHW Three way diverter valve Central DHW heating faulty Check three way diverter valve for function menu Manual control Test connection 2X7 10 and replace if required AE DHW sensors swapped Cylinder temperature sensors top bottom inter changed No measures required The heat pump control un...

Page 143: ...red B0 Device recognition Error in recognising appliance version incor rect coding card or PCBs faulty Check sensor input F11 on PCB 3 Do not con nect anything to con nections 3X1 11 and 3X2 11 Check coding card and replace if required Check PCBs and replace if required B1 KM BUS EEV Communication error with EEV controller refrigerant circuit con trol Check KM BUS connec tion At the connection bet...

Page 144: ...f Vitosolic faulty Check parameter Vitosolic type Check connection to Vitosolic Check sensor S3 and replace if required Installation and service instruc tions Vitosolic BA KM BUS Mi HC KM BUS communication error or internal fault in extension kit for one heating circuit with mixer M3 Check extension kit con nections and code BC HC1 R C KM BUS Communication error KM BUS remote control heating circu...

Page 145: ... tion module If required replace in the following order PCB 3 ribbon cables between PCB 3 and 2 PCB 2 C2 Power supply monitor Compressor power sup ply fault or phase monitor faulty Check phase connection and power supply check phase monitor The switching signal can be tested at terminals 1X5 4 and 1X5 3 C5 Power OFF Power OFF enabled triggered by power sup ply utility No measures required If messa...

Page 146: ...lso fault UA9 Have heat pump tested by a refrigeration engi neer The switching signal can be tested at terminal 1X5 6 230 V Note After removing fault switch appliance OFF and ON again once CA Primary source Primary circuit fault Faulty power supply to fan Fan blocked or faulty Check safety equip ment on terminals 3X3 9 and 3X3 8 in systems without safety equipment check jump ers 3X3 9 to 3X3 8 The...

Page 147: ...ocom 100 Check Vitocom 100 con nections and connecting cables Check connections 3X1 25 and 3X2 25 KM BUS A fluctuating DC voltage between approx 20 V and 30 V can be measured at the termi nals CE KM BUS ext CE Communication error KM BUS external exten sion H1 Check external exten sion H1 connections and connecting cables Check connections 3X1 25 and 3X2 25 KM BUS A fluctuating DC voltage between a...

Page 148: ...f installed has responded Reset compressor ther mal relay check setting restore delivered condi tion Reset see oper ating instructions Check compressor electrical connections test coil resistance of compressor motor Check compressor phase sequence The switching signal of thermal relay full wave soft starter separate motor protection can be tested at terminal 1X5 9 230V Note If overheating occurs i...

Page 149: ...ation engi neer Check fan and shut off facilities clean air ducts if required Check low pressure sen sor lead and EEV control ler If required check whether jumper in plug aYH between terminal 3 and 4 is fitted switching signal can be tested at ter minal 1X5 7 230 V and must be continuously active if a pressure sensor is installed Troubleshooting Control unit diagnostics cont 5414 828 GB Service ...

Page 150: ...cur If this occurs several times in succession check heat pump and configuration of refrigerant circuit E0 LON subscriber LON subscriber has failed or connection faulty Call up fault memory at faulty subscriber Check address system and subscriber num bers check connec tions and LON connect ing cables E1 Ext heat source Fault external heat source Check external heat source E2 Fault lag heat p Fault...

Page 151: ...ious load classes A load class specifies the com pressor operation at a certain differential of evaporation and condensation tem perature ΔTV K 1 Device settings 2 Contractor level for Contrac tor access rights see page 168 3 Further menu items 4 For Diag HP module see chapter Diagnosis overview 5 ÓT P for the last compressor tem perature and pressure val ues captured see chapter Temperature and p...

Page 152: ...ent display system Tsh Tc C Tsh Set superheating temperature Tc Set hot gas temperature for start of the vapour injection EVI Pmop bara Max suction gas pressure maximum operating pressure Max evaporator operating pressure Ts Tc C Ts Actual suction gas temperature Tc Actual condensation temperature Ps bara Actual suction gas pressure Pc bara Actual condensation pressure TI C Actual LPG temperature ...

Page 153: ...e codes C Display value Active codes 1 2 4 8 0 1 X 2 X 3 X X 4 X 5 X X 6 X X 7 X X X 8 X 9 X X A 10 X X B 11 X X X C 12 X X D 13 X X X E 14 X X X F 15 X X X X How to analyse the information index and fault index 1 Check the display value for each posi tion individually 2 Determine active codes C from the table 3 See tables E and I for explana tions of active codes Information index I I Position Co...

Page 154: ...I control circuit enabled via KM BUS 4 Cooling mode enabled start via KM BUS 8 Compressor on 7 0 N A 8 1 Compressor shutdown due to fault Always specify the versions in case of questions 9 0 to F EEV controller hardware version position 1 10 0 to F EEV controller hardware version position 2 11 0 to F EEV controller software version position 1 12 0 to F EEV controller software version position 2 Ex...

Page 155: ... sensor faulty 8 Hot gas temperature sensor faulty Parts fault message reported directly from EEV controller 3 1 LPG temperature sensor faulty 2 EEV stepper motor faulty 4 1 Low pressure sensor faulty 2 Suction gas temperature sensor faulty 4 High pressure sensor faulty 8 Hot gas temperature sensor faulty 5 0 N A 6 0 N A Messages 7 1 Inadequate evaporation pressure low pressure shutdown 8 1 Conden...

Page 156: ...ion index 0C 0C 00 00 00 Posi tion Display Codes Tab C Explanation Tab E 1 0 0 2 C 4 High pressure sensor faulty determined from a plausibility check of values 8 Hot gas temperature sensor faulty determined from a plausibility check of values 3 0 0 4 C 4 High pressure sensor faulty reported directly from EEV controller 8 Hot gas temperature sensor faulty reported directly from EEV controller 5 0 0...

Page 157: ...Secondary circuit flow temperature p0 bara Evaporation pressure pc bara Condensation pressure Err Msg Last fault information code before a compressor shutdown display system see page 153 and explanation see page 155 as before Hours run according to load classes The compressor hours run given in the individual lines belong to the load classes shown below Column 1 shows the values for the heat pump ...

Page 158: ... 08 09 e e e e e e e H H H H H H H H 2070 1490 0 0 0 0 0 6854 9108 5672 0 0 0 0 0 1260 01 12 Month e Electrical energy consumed kWh per month H Heating energy kWh per month transferred to the heating sys tem The current month is shown on the bot tom line Example 09 e 2070 H 9108 In September the heat pump consumed 2070 kWh electrical energy and gener ated 9108 kWh heating energy Note In order to r...

Page 159: ...osis 5 For the second LON diag nosis page see chapter LON Diagnosis BUS settings BUS settings Neuron ID BACK 001629032100 RES1 SP RES2 DIAG Domain 070000000000 1 Subnet 1 Node 1 Address information Display Explanation For Tool binding see Net config page 161 For Self binding see Net config page 161 Neuron ID Physical address of the neuron chip integrated in the LON mod ule Domain Network domains d...

Page 160: ...es Key Explanation RES1 Reset Reset the LON module without carrying out binding logically linking the LON subscribers again RES2 Master reset Reset the LON module and automatically carry out binding via an integral installation program self binding SP Service PIN message Send a standardised identifying message within the LON which can be received via suitable diagnosis programs LON diagnosis Infor...

Page 161: ...ogram Binding tool SndHrtBeat Send heartbeat Currently used time interval in 100 ms to cyclically send network variables matching possible via binding tool Note This time interval must be smaller than the receive interval set at all subscribers parameter Receive heartbeat Obj Status Object status SKO status Software communication status K LON communication module installed parameter LON module ins...

Page 162: ...s not received in the receive interval receive heartbeat the symbol X appears at the corre sponding point of the sequence 1 nviNodeAlarm 2 nviNodeOATemp 3 nviBocBoilerCmd 4 nviBocApplicMd 5 nviBocSetpoint 6 nviCfdmProdCmd 7 nviCfdmApplicMd 8 nviCfdmSetpoint 9 nviCfdmConsDmd 10 nviDhwcApplicMd 11 nviHcc1ApplicMd 12 nviHcc1SpaceSet 13 nviHcc1FlowTemp 14 nviHcc2ApplicMd 15 nviHcc2SpaceSet 16 nviHcc2F...

Page 163: ...nsfer send receive is enabled with parameter Outside temper ature Possible status of outside temperature sensor 0 OK 6 Not available Sensor data not evaluated by the software e g if sys tem scheme 11 is selected 8 Fault Sensor does not show valid values due to short circuit or lead break Z Last transmitted date stamp date time if transfer send receive is enabled with parameter Time Measures in cas...

Page 164: ...eous heating water heater if installed see page 189 No programming unit display 1 Switch ON system ON OFF switch 2 Check heat pump control unit fuse replace if required see page 167 3 Check whether there is power at the heat pump control unit switch ON power supply if required 4 Check the plug in and threaded con nections 5 Replace programming unit if required 6 Replace PCB 2 main PCB if required ...

Page 165: ...yer H Flow temperature sensor secon dary circuit K Schrader valve high pressure side L Safety high pressure switch M Electronic expansion valve EEV N Manual air vent valve O Four way diverter valve P LPG temperature sensor R High pressure sensor S Hot gas temperature sensor T Schrader valve low pressure side U Low pressure sensor V Suction gas temperature sensor Troubleshooting Repairs 5414 828 GB...

Page 166: ... 3 see page 212 For the position of the sensors in the heat pump see figure on page 165 Temperature sensors type Ni 500 400 40 20 0 Resistance in Temperature in C 440 480 520 560 600 20 40 60 640 Capturing element Ni 500 Outside temperature sensor F0 Flow temperature sensors heating cir cuits M2 M3 F12 Room temperature sensors Vitotrol Troubleshooting Repairs cont 5414 828 GB ...

Page 167: ...ensor sec ondary circuit F8 F9 All sensors inside the heat pump Checking the fuse Note Fuse F1 of the heat pump control unit is located on PCB 1 cross connect PCB see page 76 Fuse 6 3 A slow 250 V Max power loss 2 5 W Danger Contact with live components can lead to severe injury from electric current Before working on the equip ment always ensure that the power circuit is also at zero volt Removin...

Page 168: ...values will be accepted automatically Always observe the installation instructions failure to observe these will void your warranty rights Note The Contractor level remains active either until key Standard dis play is pressed or if no operation is detected for 30 min The parameters shown depend on the current appliance settings A code must be entered to access the Contractor level Press the follow...

Page 169: ...ating limit Heating limit Set room temperature minus Temp diff heating If the average outside temperature cal culated over 3 hours falls below the heat ing limit central heating starts Example The set room temperature is 20 C the temperature set under Temp diff heating is 4 K This results in a heating limit of 16 C 20 C 4 K Central heating commences if the aver age outside temperature drops below ...

Page 170: ...tion No Setting Yes No Cascade The heat pump control unit enables the control of a cascade with up to three or four lag heat pumps The connection can be made via LON or external extension H1 0 No control of lag heat pumps 1 Control of up to three lag heat pumps via external extension H1 2 Control of up to four lag heat pumps via LON Note With setting 1 or 2 the heat pump is the lead appliance The ...

Page 171: ...ia external extension H1 1 up to 4 Number of lag heat pumps for con trol via LON Menu Device settings Programming System definition No of external heat pumps Delivered condition 0 Setting 0 1 2 3 4 Number of lag heat pumps in a cascade that are connected via external extension H1 Note Parameter Cascade control on the lead appliance must be set to 1 0 No lag heat pump 1 up to 3 Number of lag heat p...

Page 172: ...ension H1 External extension H1 can be used for the following hook ups components Swimming pool water heating Cascade control External operating mode changeover External demand External mixer OPEN External blocking External mixer CLOSED Note If the components for swimming pool water heating are connected to External extension H1 no hook up e g operat ing mode changeover can be connected to Externa...

Page 173: ...ting circuit with mixer M2 4 Heating circuit with mixer M2 DHW heating 5 Heating circuit without mixer A1 Heating circuit with mixer M2 6 Heating circuit without mixer A1 Heating circuit with mixer M2 DHW heating 7 Heating circuit with mixer M2 Heating circuit with mixer M3 8 Heating circuit with mixer M2 Heating circuit with mixer M3 DHW heating 9 Heating circuit without mixer A1 Heating circuit ...

Page 174: ...ating mode changeover via signal External demand Mixer CLOSE After this time has expired the heat pump control unit switches back to the operating mode that was enabled before the external operating mode changeover This also occurs if party mode was enabled in the meantime Value Duration 0 Changeover is only carried out as long as signal External demand mixer OPEN is available 1 to 12 Duration of ...

Page 175: ...Heating circuit with mixer M3 mixer OPEN No heat demand to the heat pump 3 Heating circuits with mixer M2 M3 mixer OPEN No heat demand to the heat pump 4 Heating circuits with mixer M2 M3 control mode Heat demand to the heat pump 5 Heating circuit with mixer M2 mixer OPEN Heating circuit with mixer M3 control mode Heat demand to the heat pump 6 Heating circuit with mixer M2 control mode Heating ci...

Page 176: ...t with mixer M2 control mode Heating circuit with mixer M3 mixer CLOSED No heat pump blocking 3 Heating circuits with mixer M2 M3 mixer CLOSED No heat pump blocking 4 Heating circuits with mixer M2 M3 control mode Heat pump blocking 5 Heating circuit with mixer M2 mixer CLOSED Heating circuit with mixer M3 control mode Heat pump blocking 6 Heating circuit with mixer M2 control mode Heating circuit...

Page 177: ...pump blocked Heating cir cuit pump M3 blocked Heating cir cuit pump M2 blocked Heating cir cuit pump A1 blocked 0 1 x 2 x 3 x x 4 x 5 x x 6 x x 7 x x x 8 x 9 x x 10 x x 11 x x x 12 x x 13 x x x 14 x x x 15 x x x x 16 x 17 x x 18 x x 19 x x x 20 x x 21 x x x 22 x x x 23 x x x x 24 x x 25 x x x 26 x x x 27 x x x x 28 x x x 29 x x x x System definition control settings Pumps and compressor external b...

Page 178: ... Vitosolic is used for the solar circuit Value Vitosolic 0 no Vitosolic 1 Vitosolic 100 2 Vitosolic 200 Menu Device settings Programming System definition Vitosolic type Delivered condition 0 Setting 0 1 2 Vitocom 100 Using the Vitocom 100 communication interface Yes Vitocom 100 is installed and enabled No Vitocom 100 is not used Menu Device settings Programming System definition Vitocom 100 Deliv...

Page 179: ... Time program for the device connected to the auxiliary output e g DHW circu lation pump Operating instructions System definition control settings Auxiliary output with switching times 5414 828 GB Service ...

Page 180: ... pump control unit calculates the heating out put The ratio of transferred heating output to consumed electric current gives the coefficient of performance COP Both values are calculated and saved every month The values of the last 12 months and that of the current month can be scanned under Energy state ment see page 158 Operating lag heat pumps in cas cades If the type dependent heating output i...

Page 181: ...w seconds before defrost stop to remove any remaining water from the evaporator fins The four way diverter valve changes over to heat ing mode Menu Device settings Programming Compressor Defrost stop temp Delivered condition Type AWH I AWH O 110 35 C 114 25 C 120 25 C Type AWH I M 110 25 C Setting 0 to 70 C Compressor control settings Defrost stop temperature 5414 828 GB Service ...

Page 182: ...at sources Priority of the external heat source over the instantaneous heating water heater accessory Yes External heat source has pri ority No Instantaneous heating water heater has priority Menu Device settings Programming Ext heat source Priority Delivered condition Yes Setting Yes No Dual mode temperature Outside temperature limit for operating the external heat source If the average outside t...

Page 183: ... demand of the DHW cylinder cannot be covered by the heat pump the circulation pump for DHW reheating and the external heat source will be activa ted Note With setting Yes no immersion heater EHE accessory in the DHW cylinder can be controlled see page 187 Yes External heat source is ena bled for DHW heating No External heat source is blocked for DHW heating Menu Device settings Programming Ext he...

Page 184: ...p to that value plus hysteresis frost protection This is independent of the selected operating programme The temperature for this is always cap tured by the top cylinder temperature sensor Menu Device settings Programming DHW Min temperature Delivered condition 10 C Setting 5 to 60 C Maximum temperature for DHW cylinder Upper temperature limit for DHW cylin ders When this temperature has been reac...

Page 185: ...heater accessory external heat source or immersion heater EHE acces sory t A Set DHW temperature B Heat pump hysteresis Hystere sis C Booster heater hysteresis Hyst booster heater D Actual DHW temperature at the top cylinder temperature sensor E Heat pump switching state F Booster heater switching state G OFF H ON Note The value selected for Hysteresis should be higher than the expected tem peratu...

Page 186: ...s Set DHW temperature 2 Set temperature for Auxiliary func tion DHW and operating mode Tem perature 2 Operating instructions Temperature sensor 2 If a second cylinder temperature sensor is installed at the bottom connection of the DHW cylinder the entire DHW vol ume can be heated to the required DHW temperature The value of the lower cylinder temper ature sensor is used to stop DHW heat ing only o...

Page 187: ...e set cylinder temperature cannot be achieved with the heat pump the follow ing devices can be used for DHW reheat ing External heat source Instantaneous heating water heater accessory Immersion heater EHE accessory in the DHW cylinder Parameter DHW heating with external heat source Instantaneous heating water heater Immersion heater EHE Ext heat source see page 182 Yes Ext heat source for DHW see...

Page 188: ... function of DHW reheating Menu Device settings Programming DHW Booster heater or DHW with e heating Booster heater DHW with e heat ing Delivered condition No Yes Setting range Yes No Yes No DHW control settings Parameters for DHW reheating cont 5414 828 GB ...

Page 189: ...r available for heating to provide frost protec tion For the instantaneous heating water heater to be able to be star ted in case of a heat demand for frost protection stop it by setting parameters Electric heating or DHW with e heating to No but set Inst htg water heat to Yes Menu Device settings Programming Electric heater Inst heating water heater or Heating with electro Inst heating water heat...

Page 190: ...heat Delivered condition 3 Setting 1 2 3 Stage at power OFF Maximum output stage of the instantaneous heating water heater accessory during the power OFF The selected stage and all those below it will be enabled 0 Instantaneous heating water heater remains off during power OFF except for frost protection 1 Output stage 1 e g 3 kW 2 Output stage 2 e g 6 kW 3 Output stage 3 or subject to type and po...

Page 191: ...through overheating screed with high flow temperatures Install a temperature limiter into the flow of the underfloor heating circuit to limit the maximum tem perature The screed programme affects all ena bled heating circuits in parallel The selected Screed program con tinues after a power failure or after the heat pump control unit has been switched off The selected operating programme continues ...

Page 192: ...t profile and operation continued in heat ing or cooling mode 1 Temperature time profile 1 in acc with EN 1264 4 A B 1 5 10 15 20 25 30 10 20 30 40 50 A Flow temperature B Days 2 Temperature time profile 2 to ZV parquet and flooring tech nology A B 1 5 10 15 20 25 30 10 20 30 40 50 A Flow temperature B Days 3 Temperature time profile 3 to ÖNORM B A 1 5 10 15 20 25 30 10 20 30 40 50 A Flow temperat...

Page 193: ...ays 12 Fixed value temperature pro gramme Duration 30 days Menu Device settings Programming Internal hydraulics Screed program Delivered condition 0 Setting 0 to 12 Set flow temperature in case of external demand Set flow temperature in case of external demand e g from the swimming pool see page 175 In contrast to room temperature or out side temperature dependent set flow temperatures a fixed set...

Page 194: ...stalled secondary pump also runs for DHW heating No Three way valve is not instal led DHW is heated via a sep arate output secondary pump does not run circula tion pump for cylinder heating heating water side is star ted Menu Device settings Programming Internal hydraulics Heat DHW diverter valve Delivered condition No Setting Yes No Control settings hydraulics Operation with three way diverter va...

Page 195: ...ater buffer cylin der Note This function is only available for sys tem schemes 1 and 2 if the option Yes was selected under Buffer cylinder The temperature cannot be set higher than the max temperature in the heat ing water buffer cylinder see page 196 Menu Device settings Programming Buffer cylinder Fixed temperature Delivered condition 50 C Setting 10 to 70 C Hysteresis The set value determines ...

Page 196: ...ends when this temperature is reached Note This function is only available for sys tem schemes 1 and 2 if the option Yes was selected under Buffer cylinder If the value specified here is below the maximum possible set flow tempera ture of one of the connected heating circuits this heating circuit may not be able to be supplied with the calculated flow temperature when there is a greater heat deman...

Page 197: ...Heating circuit 1 or Heating circuit 2 or Heating circuit 3 Remote control Delivered condition No Setting Yes No Heating curve slope level Heating curve level and slope for all heating circuits A1 M2 and M3 Operating instructions Influence of room temperature hook up The influence of room temperature hook up can be selected subject to a room temperature sensor being installed and room temperature ...

Page 198: ...ow temperature is not corrected 1 Weather compensated control with room influence only for Reduced operating mode 2 Weather compensated control with room influence only for Standard operating mode 3 Weather compensated control with room influence for Reduced and Standard oper ating modes Menu Device settings Programming Heating circ 1 Heating circ 2 Heating circuit 3 Room t hook up Delivered condi...

Page 199: ...ure is calculated from the set flow temperature minus 5 K Note Since the heat pump control unit only limits the set value with this parameter always install an on site temperature lim iter in the flow of an underfloor heating circuit to restrict the maximum temper ature Menu Device settings Programming Heating circuit 1 or Heating circuit 2 or Heating circuit 3 Max flow temperature Delivered condi...

Page 200: ...er number The first part is permanently set to the same value for all Viessmann appliances The other parts comprise system and subscriber number This enables subscribers to be grouped according to system number for example to separate the external heat source in the LON as well Note To avoid communication conflicts every subscriber number within a system may only be assigned once The Vitocom commu...

Page 201: ...Fault manager Delivered condition No Setting Yes No Time via LON This parameter determines the source from which the heat pump control unit receives the time and whether it is to be transmitted via LON to other subscrib ers Note Only one subscriber within a system may transmit the time 0 Device receives time from the internal clock of the control unit 1 Device receives time from another LON subscr...

Page 202: ...ice transmits outside temper ature All LON subscribers within the same system can receive these values Menu Device settings Programming Communication Outside temperature Delivered condition 0 Setting 0 1 2 Data receive interval Receive interval for the values and messages transmitted via LON If no signal is received for a variable or message within this cycle time the heat pump control unit sets t...

Page 203: ...must be unique Note Lag heat pumps that are connected via external extension H1 do not need to be numbered Menu Device settings Programming Communication Number of heat pumps Delivered condition 1 Setting 1 2 3 4 Control settings communication Heat pump numbers in a cascade 5414 828 GB Service ...

Page 204: ...rtime Month Wintertime Week Wintertime Day 3 5 7 10 5 7 Menu Device settings Programming Time Auto summer wintertime or Summertime month Summer time week Summertime day Wintertime month Wintertime week and Wintertime day Parameter Delivered condition Setting range Auto summer wintertime Yes Yes Automatic changeover enabled No Automatic changeover not ena bled Summertime month 3 1 to 12 January to ...

Page 205: ...wo components are connected to the same terminal press both cores together into a single wire ferrule PCB information For PCB overview see from page 75 The terminal markings on the PCBs e g X1 2 are preceded by the numbers 1 to 3 e g 3X1 2 These numbers are allo cated to the three PCBs 3X1 2 PCB 3 terminal strip X1 termi nal 2 1X1 PCB 1 terminal strip X1 any earth terminal 1X2 N PCB 1 terminal str...

Page 206: ...N N N N N N N N N N N N 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 X1 X2 X3 N N N L1 L L1 U F1 F1 G The following terminals carry a switched phase L1 1X3 1 1X3 2 1X3 3 1X3 7 1X3 11 1X3 13 Connection and wiring diagrams Overview of the PCBs and connection options cont 5414 828 GB ...

Page 207: ...0 V 0 1 A On site connection 1X3 13 1X3 12 or to exter nal exten sion H1 q R Fault message lag heat source Zero volt contact Closed No fault Open Fault Breaking capacity 230 V 0 1 A Connection on site remove jumper when connecting 1X3 11 1X3 10 q T Jumper in safety chain 1X3 8 1X3 9 q Z Power OFF Zero volt contact Closed No blocking safety chain has continuity Open Blocking enabled Breaking capaci...

Page 208: ... 7 6 5 4 3 2 1 13 12 11 10 9 8 6 5 4 3 2 1 N N N N N N L1 N N N N N L1 N M 1 N X8 X7 w E w R w T w Z w U w I w O wYQ wYE wYR wYT wYZ wYU wYI wYP M2 M2 r 1 r r 2 w U A1 M 1 7 Connection and wiring diagrams Overview of the PCBs and connection options cont 5414 828 GB ...

Page 209: ...ry pump In systems without a heating water buffer cylinder no other heating circuit pump is required see terminal 2X7 9 Max output 130 W On site connection 2X8 7 w R Control of instantaneous heating water heater stage 1 Accessories Output 10 W On site connection 2X8 8 w T Control of the mixer motor heating circuit M2 signal OPEN 230 V On site connection 2X8 9 w Z Control of the mixer motor heating...

Page 210: ...ternal heat source con trol demand Zero volt N O contact Closed demand Open No demand Breaking capacity 250 V 4 2 A Not suitable for safety LV 42 V On site connection 2X7 1 2X7 2 N A N A 2X7 3 2X7 4 wYQ Control of instantaneous heating water heater stage 2 Accessories Output 10 W On site connection 2X7 5 wYE Control of the mixer motor for the external heat source signal OPEN 230 V On site connecti...

Page 211: ...DHW circulation pump auxiliary output with switching times Max output 50 W Voltage 230 V On site connection 2X7 11 wYI Central fault message Zero volt contact Closed Fault Open No fault Contact breaking capacity 250 V 4 2 A Not suitable for safety LV On site connection 2X7 12 2X7 13 Connection and wiring diagrams Overview of the PCBs and connection options cont 5414 828 GB Service ...

Page 212: ...9 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 F20 F13 F12 F7 F6 F4 e W e E e R e T e Z e U eYP M2 e Q F0 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 F8 eYQ Connection and wiring diagrams Overview of the PCBs and connection options cont 5414 828 GB ...

Page 213: ...ture sensor secon dary circuit Type AWH I Internal connection Type AWH O Install on site in the heating water flow Pt 500 F8 3X1 20 3X2 20 Air inlet temperature sensor Internal connection Pt 500 F2 3X1 24 3X2 24 Air discharge temperature sensor Internal connection Pt 500 F3 3X1 23 3X2 23 Secondary circuit return temper ature sensor Internal connection Pt 500 F9 3X1 19 3X2 19 Safety chain control c...

Page 214: ...terminal strip X1 termi nal 2 1X1 PCB 1 terminal strip X1 any earth terminal 1X2 N PCB 1 terminal strip X2 any neutral conductor terminal Connection and wiring diagrams Safety chain control circuit main power cont 5414 828 GB ...

Page 215: ...215 Safety chain A B X C D H Y E F G Connection and wiring diagrams Safety chain control circuit main power cont 5414 828 GB Service ...

Page 216: ...l blocking message input heat pump control unit E Power OFF remove jumper when connecting F Message input power OFF G Phase monitor H Phase monitor message input X For control circuit connection see page 219 Y For continuation of safety chain see following illustration Plug in cable harness Connection and wiring diagrams Safety chain control circuit main power cont 5414 828 GB ...

Page 217: ... 4 7 8 K1 I Thermal circuit breaker fan J Message input K Safety high pressure switch L Low pressure message M Control high pressure message N For type AWH I AWH O 120 only Motor protection P For type AWH I AWH O 120 only Electronic motor control Connection and wiring diagrams Safety chain control circuit main power cont 5414 828 GB Service ...

Page 218: ...ompressor relay T EEV controller refrigerant circuit control U Compressor contactor K1 V For type AWH I AWH O 120 only Compressor contactor K2 Y For continuation of safety chain see previous illustration Plug in cable harness Connection and wiring diagrams Safety chain control circuit main power cont 5414 828 GB ...

Page 219: ...219 Control circuit X A B C D E F G H I J K L L C Z Connection and wiring diagrams Safety chain control circuit main power cont 5414 828 GB Service ...

Page 220: ...irculation pump for cylinder heat ing I DHW circulation pump Wtimer DHW Circ J Central fault message zero volt K Compressor control L Instantaneous heating water heater control accessory stage 1 X For safety chain connection see page 215 Z For continuation of control circuit see following illustration aCH Control module instantaneous heating water heater plug in cable harness Connection and wiring...

Page 221: ...221 M N O R S T U Z P M N A N Secondary pump O Mixer OPEN heating circuit with mixer M2 Connection and wiring diagrams Safety chain control circuit main power cont 5414 828 GB Service ...

Page 222: ...rol of immersion heater EHE or DHW reheating with circulation pump from external heat source U Fan motor Z For continuation of control circuit see previous illustration sG Secondary pump plug in cable har ness Colour coding to DIN IEC 60757 BU Blue RD Red YE Yellow Connection and wiring diagrams Safety chain control circuit main power cont 5414 828 GB ...

Page 223: ...e monitor see page 112 C For type AWH I AWH O 120 only Compressor contactor K2 D Compressor contactor K1 see page 217 E Compressor motor protection see page 217 F Starter G Compressor Connection and wiring diagrams Safety chain control circuit main power cont 5414 828 GB Service ...

Page 224: ...te 034 Front side panel insulation 035 Temperature sensor 036 Drain valve G 037 Connector D28 038 Front panel cover insulation 039 Rear side panel insulation 040 Side panel cover insulation 041 EPP wall outlet adaptor 042 Hose clip 043 Gasket A 30 x 44 x 2 mm 045 Flow return hose 048 Flow return connection kit 052 Anti vibration mounts 053 Adaptors for drip tray set 054 EPP connecting screw 056 So...

Page 225: ...S25 6 3 058 Circulation pump VI Para 25 1 7 121 Temperature sensor PT500 130 Auxiliary contact HN10 136 Control module cable kit 137 Control module instantaneous heating water heater accessory 138 Cable kit instantaneous heating water heater accessory 146 Plug lJ 149 Cable harness electronic expan sion valve EEV 152 Type 120 Motor protection cable 153 Type 110 114 Cable harness high pressure 154 T...

Page 226: ...226 222 201 202 203 204 206 207 208 209 210 211 212 213 214 041 221 222 Parts lists Parts list type AWH I cont 5414 828 GB ...

Page 227: ...227 053 032 039 034 038 033 034 039 040 027 Parts lists Parts list type AWH I cont 5414 828 GB Service ...

Page 228: ...228 052 054 059 008 056 025 020 Parts lists Parts list type AWH I cont 5414 828 GB ...

Page 229: ...7 015 043 048 166 167 010 019 019 023 021 017 016 004 002 011 003 013 007 029 029 023 023 021 035 035 018 018 028 012 036 035 018 005 006 035 018 016 017 001 009 045 Parts lists Parts list type AWH I cont 5414 828 GB Service ...

Page 230: ...230 150 178 143 144 145 127 141 142 123 139 140 126 151 147 134 135 158 124 125 128 131 132 Parts lists Parts list type AWH I cont 5414 828 GB ...

Page 231: ...231 110 109 111 119 106 107 100 120 115 122 113 104 120 116 101 118 108 105 102 103 Parts lists Parts list type AWH I cont 5414 828 GB Service ...

Page 232: ...for condensate 034 Front side panel insulation 035 Temperature sensor 036 Drain valve G 037 Connector D28 038 Front panel cover insulation 039 Rear side panel insulation 042 Hose clip 044 Gasket A 27 x 39 x 2 mm 046 Return hose 047 Flow hose 049 Return connection set 050 Flow connection set 051 Threaded insert 1 x 1 052 Anti vibration mounts 053 Adaptors for drip tray set 054 EPP connecting screw ...

Page 233: ... mm 024 Connector D28 to D25 instantane ous heating water heater acces sory 057 Circulation pump VIRS25 6 3 058 Circulation pump VI Para 25 1 7 121 Temperature sensor PT500 130 Auxiliary contact HN10 136 Control module cable kit 137 Control module instantaneous heating water heater accessory 138 Cable kit instantaneous heating water heater accessory 146 Plug lJ 149 Cable harness electronic expan s...

Page 234: ...234 303 Operating instructions 304 Connecting elements 305 Front panel fixings Parts lists Parts list type AWH O cont 5414 828 GB ...

Page 235: ...235 222 221 222 200 201 202 204 206 207 203 209 212 213 214 203 215 205 205 215 210 211 216 217 218 Parts lists Parts list type AWH O cont 5414 828 GB Service ...

Page 236: ...236 053 032 039 034 038 033 034 039 027 Parts lists Parts list type AWH O cont 5414 828 GB ...

Page 237: ...237 052 054 059 008 055 025 020 Parts lists Parts list type AWH O cont 5414 828 GB Service ...

Page 238: ...015 021 042 015 021 037 047 044 051 049 050 046 010 019 019 023 017 016 004 002 011 003 013 007 029 029 023 023 021 035 035 018 018 028 012 036 035 018 005 006 035 018 016 017 001 009 Parts lists Parts list type AWH O cont 5414 828 GB ...

Page 239: ...239 150 178 143 144 145 127 141 142 123 139 140 126 151 147 134 135 158 124 125 128 131 132 Parts lists Parts list type AWH O cont 5414 828 GB Service ...

Page 240: ...240 110 109 111 119 106 107 100 120 115 122 113 104 120 116 101 118 108 105 102 103 Parts lists Parts list type AWH O cont 5414 828 GB ...

Page 241: ...wing conditions Room temperature C Outdoor temp C DHW cylinder top temperature constant Yes 1 K Secondary circuit flow temperature C rising from to Temperature differential ΔT Secondary flow Secondary return 6 to 8 K Control parameters report Parameter Page Setting range Delivered condition Commission ing System definition System scheme 169 0 to 11 page 30 2 Language 169 Deutsch Temp diff heating ...

Page 242: ... C 15 C External heat source Ext heat sources 182 Yes No No Priority 182 Yes No Yes Dual mode temperature 182 50 to 50 C 10 C Ext HS for DHW 183 Yes No No DHW DHW cylinder temp 184 10 to 70 C 50 C Switching times DHW 184 Min temperature 184 5 to 60 C 10 C Max temperature 184 20 to 80 C 60 C Hysteresis 185 1 to 10 K 7 K Hyst booster heater 185 2 to 30 K 10 K Start optimisation 186 Yes No No Stop op...

Page 243: ...ure 196 1 to 70 C 60 C Heating circuit A1 Standard room temp 197 10 to 30 C 20 C Reduced room temp 197 10 to 30 C 16 C Switching times HC 197 Remote control 197 Yes No No Heating curve level 197 15 to 40 0 Heating curve slope 197 0 to 3 5 0 6 Room t hook up slope 197 0 to 50 10 Room t hook up 198 0 to 3 3 Max flow temperature 198 10 to 70 C 40 C Heating circuit M2 Standard room temp 197 10 to 30 C...

Page 244: ...mmunication LON module installed 200 Yes No No Subscriber number 200 1 to 99 1 System number 200 1 to 5 1 Fault manager 201 Yes No No Outside temperature 202 0 to 2 0 Receive Heartbeat 202 0 to 60 min 20 min Number of heat pumps lag heat pumps in a cascade 203 1 to 4 1 Time 201 0 to 2 0 Date time Date and time 204 Auto Su Wi time 204 Yes No Yes Summertime month 204 1 to 12 3 Summertime week 204 1 ...

Page 245: ...ent A Circulation pump for cylin der heating 2X7 10 130 230 4 2 Cylinder primary pump 2X8 12 130 230 4 2 Heating circuit pump A1 2X7 9 100 230 4 2 Secondary pump 2X8 7 130 230 4 2 Heating circuit pump M2 2X8 11 100 230 4 2 DHW circulation pump switching times auxiliary output 2X7 11 50 230 4 2 Circulation pump for DHW reheating or Control of immersion heater EHE 2X8 13 100 230 4 2 Instantaneous he...

Page 246: ...70 Air volume m3 h 3500 4000 4500 3500 4000 4500 Max permiss pressure drop on the ventilation and extract air side of air ducts Pa 37 45 61 Min air temperature C 20 20 20 20 20 20 Max air temperature C 35 35 35 35 35 35 Proportion defrost time runtime 2 to 5 2 to 5 2 to 5 2 to 5 2 to 5 2 to 5 Heating water secon dary circuit Capacity l 5 0 5 5 6 0 5 0 5 5 6 0 Minimum flow rate always maintain l h ...

Page 247: ...ass I I I I I I IP rating IP 20 IP 20 IP 20 IP 24 IP 24 IP 24 Electrical values con trol unit Rated voltage control unit V 1 N PE 230 V 50 Hz Fuse control unit 1xB16A Fuse control unit A 6 3 A H slow Protection class I IP rating IP 20D Refrigerant circuit Refrigerant R 407 C R 407 C R 407 C R 407 C R 407 C R 407 C Fill volume kg 4 2 5 0 5 3 4 2 5 0 5 3 Compressor Type Hermetically sealed scroll co...

Page 248: ...ng flow and return G 1 1 1 1 1 1 Weight kg 287 297 361 325 335 400 Sound power level at 2 C outside tempera ture 60 C flow temper ature test with reference to DIN EN ISO 12102 DIN EN ISO 9614 2 accuracy class 2 dB A 60 61 65 60 61 65 Specification Specification cont 5414 828 GB ...

Page 249: ...xample included System example 1 System example 2 System example 3 Sketch for alternative hydraulic scheme Heating circuits fully installed and filled Electrical installation completed Hydraulic lines fully thermally insulated All windows and external doors are sealed Preferred appointment 1 Date Time 2 Date Time All work ordered from Viessmann will be charged to me us in accordance with the curre...

Page 250: ...529 DIN EN 60 335 1 with A1 2007 02 BGR 500 Chapter 2 35 DIN EN 61 000 3 2 2006 10 In accordance with the following Directives this product is designated with _ 2004 108 EC 98 37 EC 97 23 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 350 A see technical guide can be u...

Page 251: ...ntractor 168 Contractor level 168 Control cable 26 Control circuit 219 Control panel 68 74 88 Control parameters 122 241 Control settings 168 Communication 200 Compressor 180 Date time 204 DHW 184 Electric heater 189 External heat source 182 Heating circuits 197 Heating water buffer cylinder 195 Hydraulics 191 System definition 169 Control unit 29 75 Cylinder reheating 187 D Declaration of Conform...

Page 252: ...pen 98 External blocking 99 176 Effect 177 Pumps 177 External demand 175 External extension 172 External heat source Dual mode temperature 182 Enable 182 For DHW 183 Priority 182 External mixer closed 99 F Fault code 155 Fault display Scanning 131 Fault index Display system 153 Fault manager 128 201 Fault message 99 Fault messages 133 Fill drain facility 29 Fixed temperature 195 Foundations 19 Fro...

Page 253: ... Output 172 Language 169 Lead appliance 170 Level Heating curve 197 Load class 157 LON 200 Address 200 Diagnosis 158 Fault manager 201 Fault monitoring 128 Integrating a control unit 127 Receive interval for data 202 Subscriber check 130 Subscriber list 129 Subscriber number 128 200 System number 128 200 Transmitting receiving outside temperature 202 Transmitting receiving the time 201 LON cascade...

Page 254: ...er supply utility 29 31 Priority External heat source 182 Pumps 90 Pumps external blocking 177 R Receive heartbeat 202 Remote control 197 Remote control module 178 Remote monitoring module 178 Repair work 117 Reports 241 Required equipment 35 41 Required Equipment 48 49 Room height 9 Room influence Operating mode 198 Slope 197 Room temperature hook up Influence 197 Operating mode 198 Runtime 157 S...

Page 255: ...able 30 System scheme 10 39 System scheme 4 34 T Temperature differential Heating 169 Temperature limiter 92 Temperature sensor 2 186 Three phase monitor 112 Three way diverter valve 194 Tilting angle 8 Time LON 201 Time program Heating circuit 197 Heating water buffer cylinder 195 Time programme DHW heating 184 U Underfloor heating system 92 V Vitocom 178 Vitosolic 178 Vitotrol 197 W Wall clearan...

Page 256: ... Heat pump control unit Serial no 7427 068 9 01000 c 7427 06 9 01000 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 5414 828 GB Subject to technical modifications Printed on environmentally friendly chlorin...

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