Viessmann BW 301.AS090 Installation And Service Instructions Manual Download Page 93

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Wiring chamber

Safety high pressure switch
High pressure 1 (Stage 1)

Only type BW 302.AS090,
BW 302.AS120, BW 302.AS150,
BW 302.AS180, BW 302.AS250:
Safety high pressure switch
High pressure 2 (stage 2)

Pressure transmitter, high pressure

Suction gas temperature sensor

Pressure transmitter, low pressure

Electronic expansion valve EEV 1
Siemens

Only type BW 302.AS090,
BW 302.AS120, BW 302.AS150,
BW 302.AS180, BW 302.AS250:
Compressor 2 (Stage 2)

Compressor 1 (Stage 1)

Oil level sight glass Compressor 1
and 2

Return temperature sensor, secon-
dary circuit
Only type BW 302.AS090,
BW 302.AS120, BW 302.AS150,
BW 302.AS180, BW 302.AS250:
2 return temperature sensors, sec-
ondary circuit

Filter dryer

Only type BW 302.AS090,
BW 302.AS120, BW 302.AS150,
BW 302.AS180, BW 302.AS250:
Second parallel filter dryer

Condenser

Evaporator

Return temperature sensor (heat
pump brine outlet), primary circuit

Flow temperature sensor, secon-
dary circuit

Flow temperature sensor (heat
pump brine inlet), primary circuit

Troubleshooting

Repairs

(cont.)

5848 246 GB

Service

Summary of Contents for BW 301.AS090

Page 1: ... contractors VIESMANN Vitocal 300 G Pro SPS Type BW 301 AS090 to 302 AS250 Vitocal 300 W Pro SPS Type WW 301 AS125 to 302 AS300 For applicability see the last page VITOCAL 300 G PRO SPS VITOCAL 300 W PRO SPS 5848 246 GB 9 2013 Please keep safe ...

Page 2: ...g on this system National installation regulations Statutory regulations regarding the prevention of accidents Statutory regulations regarding envi ronmental protection Codes of practice of the relevant trade associations All current safety regulations as defined by DIN EN DVGW VDE and all locally applicable standards a ÖNORM EN and ÖVE c SEV SUVA SVTI SWKI and SVGW Working on the system Isolate t...

Page 3: ...Defective components must be replaced with genuine Viessmann spare parts Auxiliary components spare and wearing parts Please note Spare and wearing parts that have not been tested together with the system can compromise its function Installing non author ised components and making non approved modifications or conversions can compromise safety and may invalidate our warranty For replacements use o...

Page 4: ...ircuits 32 Routing cables to the heat pump wiring chamber 38 Overview of electrical connections 40 Power supply 54 Installing the programming unit 59 Closing the heat pump 60 Service instructions Commissioning inspection maintenance Steps commissioning inspection and maintenance 62 Further details regarding the individual steps 63 Troubleshooting Repairs 92 Parts list Ordering parts 98 Commissioni...

Page 5: ...5 Appendix Heat pump commissioning order 116 Certificates Declaration of conformity 117 Keyword index 120 Index Index cont 5848 246 GB ...

Page 6: ...y valve filter dryer refrigerant oil fil ter oil separator 4 to 5 years subject to hours run and operating point Risk assessment System users Exter nal per sonnel Manu facturer Refrig eration engi neer Logis tics Electri cian heating con tractor Service engi neer Disposal contrac tor Manufacture X X Delivery moving handling installation X X X X X Installation X X X Commissioning X X X X X Operatio...

Page 7: ...t with live components can lead to serious injury from electric current Some compo nents on the PCBs will remain live even after the power supply has been switched off Isolate the system from its power supply e g at a sepa rate MCB fuse or mains isola tor check that there are no more live currents and safe guard against reconnection Note In addition to the control circuit there may be several powe...

Page 8: ...in line with trade association recommendations Work on the refrigerant circuit Danger Refrigerant circuits of heat pumps develop extremely low 25 C and very high 130 C temperatures Work on heat pumps can result in life threaten ing frostbite and burns Switch OFF the heat pump at least 30 min before working on it Never touch the injection valve and compressor with bare hands wear safety gloves if c...

Page 9: ... Only work on the refrigerant cir cuit whilst wearing safety gog gles and gloves Note Only qualified refrigeration engineers should work on the refrigerant circuit Wear suitable protective cloth ing Safety and liability Occupational safety cont 5848 246 GB Service ...

Page 10: ...301 AS155 Two stage heat pumps 302 AS090 302 AS120 302 AS150 302 AS180 302 AS250 302 AS125 302 AS155 302 AS200 302 AS250 302 AS300 Criteria Integral Vitotronic SPS type SAIA heat pump control unit The refrigerant circuit has an elec tronic expansion valve EEV with an independent control circuit EEV con troller The heat pump control unit can switch and regulate one cooling circuit The cooling circu...

Page 11: ... W Pro SPS is filled with oil and refrigerant at the factory Unloading and handling Note Before unloading have the recipient check the consignment for possible damage Note down any damage on the delivery note and notify the haulage con tractor Lifting gear such as slings and cross beams must be provided on site The lifting capacity of each sling and that of the cross beam must be at least equal to...

Page 12: ...verely tipping the com pressor to safeguard the refrig erant circuit Max heat pump tilting angle 30 After tilting the heat pump wait at least 4 hours before switching it on The KWT Kälte Wärmetechnik AG a member of the Viessmann Group will not be liable for any damage resulting from inappropriate handling Handling by crane A A B C D A Lifting shackle B Cross beams to remove the load on the frame P...

Page 13: ...e removed Handling by forklift truck or pallet truck A Select a fork length in line with the heat pump length see Specifica tion page 115 B The centre of gravity of the Vitocal 300 G Pro Vitocal 300 W Pro through the heat exchanger on the l h side C Edge protection e g two or three layers of corrugated cardboard Preparing for installation Delivery and installation cont 5848 246 GB Installation ...

Page 14: ...05 kg WW 302 AS300 1445 kg To prevent the transmission of struc ture borne noise never site the appli ance on ceilings with wooden joists e g in the attic Level the appliance Where uneven floors are being com pensated distribute the load on the adjustable feet evenly Observe minimum room volume to EN 378 Note Additional country specific regulations also apply Minimum room volume type BW 301 A090 t...

Page 15: ...500 mm Type WW 2000 mm C Cable entries On site strain relief clamps required wall clearance 80 mm D When using hydraulic connection accessories connection set and Victaulic flange adaptor set 2 or 3 version 1000 mm On site hydraulic connections 600 mm E Without sound insulation parts side sections 855 mm Note When siting cascades observe the rele vant minimum clearances Preparing for installation ...

Page 16: ...e case of installation in corners enlarge the base in accordance with the minimum clearances see previous chapter 150 A B C E D A Concrete B25 iron B Floor construction screed C Top edge unfinished floor D Impact sound insulation as per reg ulations E Load bearing sound insulation layer approx 10 to 20 mm Preparing for installation Siting cont 5848 246 GB ...

Page 17: ...e heat pump feet Type BW 301 AS090 BW 301 AS120 BW 302 AS090 BW 302 AS120 1400 1000 1064 709 F E E Load bearing sound insulation layer approx 10 mm F Front of the heat pump Preparing for installation Siting cont 5848 246 GB Installation ...

Page 18: ...oad bearing sound insulation layer approx 10 mm F Front of the heat pump Type BW 302 AS180 BW 302 AS250 WW 302 AS200 WW 302 AS250 WW 302 AS300 1000 709 2640 F E 1150 1090 E Load bearing sound insulation layer approx 10 to 20 mm F Front of the heat pump Preparing for installation Siting cont 5848 246 GB ...

Page 19: ...23 435 1130 343 1343 1650 911 A B C D G F E A Primary circuit brine inlet Victaulic 3 B Secondary circuit flow Victaulic 2 HP water outlet C Primary circuit brine outlet Victaulic 3 D Secondary circuit return Victaulic 2 E Power supply 400 V 50 Hz F Power supply 230 V 50 Hz G Low voltage 42 V Preparing for installation Siting cont 5848 246 GB Installation ...

Page 20: ...ircuit brine inlet Victaulic 3 B Secondary circuit flow Victaulic 2 HP water outlet C Primary circuit brine outlet Victaulic 3 D Secondary circuit return Victaulic 2 E Power supply 400 V 50 Hz F Power supply 230 V 50 Hz G Low voltage 42 V Preparing for installation Siting cont 5848 246 GB ...

Page 21: ...rcuit brine inlet Victaulic 3 B Secondary circuit flow Victaulic 2 HP water outlet C Primary circuit brine outlet Victaulic 3 D Secondary circuit return Victaulic 2 E Power supply 400 V 50 Hz F Power supply 230 V 50 Hz G Low voltage 42 V Preparing for installation Siting cont 5848 246 GB Installation ...

Page 22: ...89 A B C D E GF A Primary circuit flow heat pump water inlet Victaulic 3 B Secondary circuit flow Victaulic 2 HP water outlet C Primary circuit return heat pump water outlet Victaulic 3 D Secondary circuit return Victaulic 2 E Power supply 400 V 50 Hz F Power supply 230 V 50 Hz G Low voltage 42 V Preparing for installation Siting cont 5848 246 GB ...

Page 23: ...ow heat pump water inlet Victaulic 3 B Secondary circuit flow Victaulic 2 HP water outlet C Primary circuit return heat pump water outlet Victaulic 3 D Secondary circuit return Victaulic 2 E Power supply 400 V 50 Hz F Power supply 230 V 50 Hz G Low voltage 42 V Preparing for installation Siting cont 5848 246 GB Installation ...

Page 24: ...tions on site stress free Make the hydraulic connections between several heat pumps on site All required components with a suita bly designed plate heat exchanger for the cooling circuit must be provided on site Preparing for installation Siting cont 5848 246 GB ...

Page 25: ...O r Q r U r Z r T r P qQ 9 r W eU eQ eW eP qR qT qZ qU qE qP qQ iR M eI eT eR eZ eE 7 8 9 qQ qW iT 4 uP 5 6 2 1 8 7 wP wQ wW tP tP tW tQ iP iE iW uW iQ wR wE q P q Q q W q R q T q E w P w Q w W w R w T w E e P e Q e W e R e T e E eO Preparing for installation Hydraulic connections 5848 246 GB Installation ...

Page 26: ...Q Safety assembly primary circuit qW Pressure switch primary circuit qE Frost stat qR System separation groundwater qT Flow switch groundwater qZ Filter groundwater qU Circulation pump groundwater wP Oil gas boiler external heat generator wQ Control unit ext heat generator wW Outside temperature sensor wE System flow temperature sensor wR System mixer central heating eP DHW cylinder eQ Cylinder te...

Page 27: ... sensor w W Safety temperature sensor underfloor heating system w E 3 way diverter valve heating cooling w R Circulation pump HC2 w T 3 way mixer e P Underfloor heating or cooling circuit M3 e Q Flow temperature sensor e W Safety temperature sensor underfloor heating system e E 3 way diverter valve heating cooling e R Circulation pump HC3 e T 3 way mixer r P Heat exchanger residual heat r Q Circul...

Page 28: ...the programming unit into the front panel see front panel installation instructions 59 3 Connect the hydraulics and PCB see page 35 and page 54 4 Fitting the side panels 5 Fitting the front panel and connecting the programming unit with the control unit 6 Fitting the mains isolator observe OFF setting Installation sequence Siting the heat pump 5848 246 GB ...

Page 29: ...ving the transport brackets Please note If transport brackets are not removed they cause vibrations and excessive noise Remove and dispose of all trans port brackets correctly Installation sequence Siting the heat pump cont 5848 246 GB Installation ...

Page 30: ...S090 4 BW 301 AS120 4 BW 302 AS090 4 BW 302 AS120 4 BW 302 AS150 4 BW 302 AS180 4 BW 302 AS250 4 BW 302 AS300 4 WW 301 AS125 4 WW 301 AS155 4 WW 302 AS125 4 WW 302 AS155 4 WW 302 AS200 4 WW 302 AS250 4 WW 302 AS300 4 Installation sequence Siting the heat pump cont 5848 246 GB ...

Page 31: ...31 A Frame screw Installation sequence Siting the heat pump cont 5848 246 GB Installation ...

Page 32: ...400 V 50 Hz F Power supply 230 V 50 Hz G Low voltage 42 V Connection overview type WW 301 AS125 to WW 302 AS300 280 288 344 435 1120 659 1089 A B C D E G F A Primary circuit flow heat pump water inlet Victaulic 3 B Secondary circuit flow Victaulic 2 HP water outlet C Primary circuit return heat pump water outlet Victaulic 3 D Secondary circuit return Victaulic 2 E Power supply 400 V 50 Hz F Power ...

Page 33: ...cable with sound attenuating elements C Optional Flange with 2 secon dary circuit or 3 primary circuit thread D Securing hydraulic lines The connection set is approved up to a pressure level of 3 bar the Vitocal 300 G W Pro is approved up to 6 bar Installation sequence Hydraulically connecting the primary secondary cont 5848 246 GB Installation ...

Page 34: ...daptor with flange DN80 PN10 without sound attenuating ele ments C Sound vibration attenuating com pensators on site D Securing hydraulic lines The flange adaptor set is approved up to a pressure level of 10 bar the Vitocal 300 G W Pro is approved up to 6 bar Installation sequence Hydraulically connecting the primary secondary cont 5848 246 GB ...

Page 35: ...D flanged Victaulic adaptor set as far as it will go into Victaulic coupling B 5 Close Victaulic coupling B tightly so that there is no gap 6 Carry out a pressure test Connecting the primary circuit Please note The components used must be resistant to the heat transfer medium Never use zinc plated galvan ised pipes 1 Equip the primary circuit with an expansion vessel and safety valve in accordance...

Page 36: ...nnect the pri mary lines to the heat pump free of load and torque stresses The primary lines must not exert any pressure on the heat pump casing Please note Ensure the hydraulic connec tions on the primary side are tight in order to prevent the formation of condensate inside the heat pump With line entries ensure the diaphragm grommets on the l h side panel are seated correctly Make line entries a...

Page 37: ...Please note Ensure the hydraulic connec tions on the secondary side are tight in order to prevent the formation of condensate inside the heat pump With line entries ensure the diaphragm grommets on the l h side panel are seated correctly Make line entries air tight 3 Fill and vent secondary circuit 4 Thermally insulate pipes inside the building Note In underfloor heating circuits install a tempera...

Page 38: ...parately Strip the insulation from the cables just ahead of the termi nals and bundle tightly to the corresponding terminals Secure cables with cable ties strain relief fittings This ensures that should there be a fault for example when detaching a wire the wires can not drift into the adjacent voltage area When routing the on site power cables observe the location of the cable entries into the ap...

Page 39: ... LV leads and 230 V cables far apart from each other 3 Route power cable for compressor through the 400 V opening to the heat pump wiring chamber Always secure power cables with strain relief fittings Note Additional strain relief fittings are required on site as the wall clearance 80 mm For power supply see from page 54 Installation sequence Routing cables to the heat pump wiring chamber cont 584...

Page 40: ... Only type BW 302 AS090 BW 302 AS120 BW 302 AS150 BW 302 AS180 BW 302 AS250 WW 302 AS125 WW 302 AS155 WW 302 AS200 WW 302 AS250 WW 302 AS300 MCB fuse power circuit compres sor 2 O Only type BW 302 AS090 BW 302 AS120 BW 302 AS150 BW 302 AS180 BW 302 AS250 WW 302 AS125 WW 302 AS155 WW 302 AS200 WW 302 AS250 WW 302 AS300 Contactor compressor 2 P Only type BW 302 AS090 BW 302 AS120 BW 302 AS150 BW 302...

Page 41: ... equipment heat pump external 2 Relay controller options 3 Contactors options 4 Main PCB 5 Expansion PCB 6 Terminal strip for low voltage heat pump internal Installation sequence Overview of electrical connections cont 5848 246 GB Installation ...

Page 42: ...g message compressor 2 Contact closed during oper ation Connection values Max voltage 250 V Max switching current 4 A AC1 Connect on site 12X4 Potential free operating message compressor 3 Contact closed during oper ation Connection values Max voltage 250 V Max switching current 4 A AC1 Connect on site 12K8 11 14 Potential free central alarm heat pump Contact open when there is a fault Connection ...

Page 43: ... AC3 Connect on site Circuit protection from load MCB 6F4 observe the max switching current of 9 A Terminals Function Explanation 21X1 Circulation pump ground water Heat yield Groundwater option Connection values Max output 4000 W Voltage 400 V 230 V Max switching current 9 A AC3 Connect on site Note Fit the inspection switch upstream of the circulation pump 13X2 Safety pressure switch brine press...

Page 44: ...400 V 230 V Max switching current 9 A AC3 Connect on site 30X1 Circulation pump heating circuit 3 Heating circuit 3 option Connection values Max output 4000 W 2200 W Voltage 400 V 230 V Max switching current 9 A AC3 Connect on site 23X1 Circulation pump loading DHW DHW option Connection values Max output 4000 W 2200 W Voltage 400 V 230 V Max switching current 9 A AC3 Connect on site 23X3 DHW circu...

Page 45: ... Voltage 400 V 230 V Max switching current 9 A AC3 Connect on site 40X2 Safety pressure switch brine pressure Residual heat Residual heat option Connect on site Insert jumper if no safety components are installed Circuit protection from load MCB 7F5 observe the total current of 8 A Terminals Function Explanation 28X2 DC 31X2 AC Mixing valve heating circuit 1 Heating circuit 1 option Connection val...

Page 46: ... AC Mixing valve DHW DHW cylinder option Connection values Max output 180 VA Voltage 24 VAC DC 0 10 V Connect on site 34X3 DC 35X5 AC Mixing valve natural cool ing Cold water diverter valve Natural cooling option Cold water option Connection values Max output 180 VA Voltage 24 VAC DC 0 10 V Connect on site 25X2 DC 26X3 AC Mixing valve external heat generator External heat generator op tion Connect...

Page 47: ...al external heat generator Contact closed when there is demand External heat generator op tion Connection values Max voltage 250 V Max switching current 4 A AC1 Connect on site 40X3 Diverter valve residual heat heating Residual heat option Connection values Voltage 24 VDC Max switching current 4 A Connect on site 38K8 11 14 Potential free activation sig nal dry cooler Contact closed when there is ...

Page 48: ...on site 36X0 Diverter valve 1 cold water Cold water option Connection values Voltage 24 VDC Max switching current 4 A Connect on site 36X2 Diverter valve 2 cold water Cold water option Connection values Voltage 24 VDC Max switching current 4 A Connect on site 36X3 Diverter valve cooling Cooling circuit 1 Cooling circuit 1 option Connection values Voltage 24 VDC Max switching current 4 A Connect on...

Page 49: ...Cold water option Requires floating contact Closed Heat pump in operation Open Heat pump shut down There should be no jumper if a flow switch is connected Connect on site 38X4 External fault message Dry cooler Dry cooler option Requires floating contact Closed Dry cooler fault Open Dry cooler OK Connect on site 19X0 Optional heat pump emer gency stop switch Requires floating contact Closed Heat pu...

Page 50: ...s floating contact Closed stage 2 in operation Open stage 2 not in operation There should be no jumper if an activa tion signal is connected Connect on site Terminal strip internal connections Terminals Function Explanation 2X8 Oil sump heater Compressor 1 accessory Connection values Max output 140 W Voltage 230 V Wired at the factory 3X8 Oil sump heater Compressor 2 accessory Connection values Ma...

Page 51: ...mpressor 2 Connection values Voltage 24 VDC Wired at the factory 13X6 MV control valve liquid Evaporator Heat yield Connection values Max output 22 VA Voltage 24 VDC 0 10 Wired at the factory 18X2 Safety pressure switch Low pressure Heat pump Connection values Voltage 24 VDC Wired at the factory Danger All sensor leads and 0 10 V sig nal leads must be shielded with copper braiding and have a min i...

Page 52: ...n site DHW heating option 0 10 V 27X5 Temperature sensor cylin der heating bottom Connect on site Pumped hot water cylinder option Pt1000 PTC 28X6 Flow temperature sensor heating circuit 1 Connect on site Heating circuit 1 option Pt1000 PTC 29X6 Flow temperature sensor heating circuit 2 Connect on site Heating circuit 2 option Pt1000 PTC 30X6 Flow temperature sensor heating circuit 3 Connect on si...

Page 53: ...nnect on site Residual heat option Pt1000 PTC 25X8 Flow temperature sensor External heat generator Connect on site External heat generator op tion Pt1000 PTC 37X0 Temperature sensor cylin der cold water top Connect on site Cold water option Pt1000 PTC 37X2 Temperature sensor cylin der cold water bottom Connect on site Cold water option Pt1000 PTC 37X4 Flow temperature sensor heating Cylinder cold ...

Page 54: ...t the factory Pt1000 PTC 14X7 Temperature sensor Condenser outlet Wired at the factory Pt1000 PTC 15X3 Pressure transmitter Low pressure Heat pump Wired at the factory TRFG ND9 0 10 V 15X5 Pressure transmitter High pressure Heat pump Wired at the factory TRFG HD50 0 10 V Power supply Isolators for non earthed conductors The integral mains isolator must simul taneously isolate all non earthed con d...

Page 55: ...on requirements of the power supply util ity The power OFF assignment is made via the type of connection In Germany the power supply can be cut off for up to 3 x 2 hours per day 24 h The heat pump control unit PCB must be supplied with power that cannot be blocked by the power supply utility Tariffs that are subject to possible shutdown must not be used here Install the power supply of the heat pu...

Page 56: ...ncapsulated routing the cross sections and maximum cable lengths must be recalculated on site Load circuit 400 V on site control circuit 230 V fully wired at the factory Type Cable cross section Max cable length BW 301 AS090 BW 302 AS090 WW 301 AS125 WW 302 AS125 5 x 25 mm2 40 m BW 301 AS120 BW 302 AS120 WW 301 AS155 WW 302 AS155 5 x 35 mm2 40 m BW 302 AS150 WW 302 AS200 5 x 50 mm2 40 m BW 302 AS1...

Page 57: ... mm2 5 x 70 mm2 with cable lug for M8 40 m BW 302 AS250 WW 302 AS300 5 x 2 5 mm2 5 x 95 mm2 with cable lug for M8 40 m Note The control circuit must be supplied with power without blocking by the power supply utility so a separate power supply is required for the control circuit A separate power connection for the control circuit calls for the internal wir ing to be changed This may only be carrie...

Page 58: ...ng current of the compressor during its starting proce dure Delivered condition Rotating field phase asymmetry 20 Max compressor operating current Imax Subject to compressor output Overload protection This will separate the appliance from the mains automatically if the tolerance range of the electronic soft starter is exceeded Remove the cause if the relay has responded The relay does not need to ...

Page 59: ...arate Connection and wir ing diagram Installing the programming unit Note In its delivered condition the program ming unit is inside the wiring chamber of the heat pump Only install the program ming unit after all electrical connections have been made Remove the front panel of the heat pump to install the programming unit Click the programming unit into the recess provi ded Connect the RS12 data c...

Page 60: ...f internal hydraulic connections Please note To prevent the formation of con densate and the development of excessive noise tightly seal the doors at the front Danger The absence of component earthing can result in serious injury from electrical current and in component damage in the event of an electrical fault Remake all earth connections Installation sequence Installing the programming unit con...

Page 61: ... fit ted and connected Have all earth conductors been connected Have all cable entries grommets been correctly applied and sealed against moisture ingress Have all hydraulic connections been sealed airtight and been insu lated against heat loss and vapour diffusion Have transport brackets been removed Are the rear and side panels securely fixed 2 Position the top panel 3 Securely close the front p...

Page 62: ... Writing reports 63 4 Checking the refrigerant circuit for leaks 64 5 Charging and venting on the primary side 64 6 Filling and venting on the secondary side 64 7 Checking expansion vessels and the primary circuit secondary circuit pressure 65 8 Commissioning the system 66 9 Instructing the system user 91 Commissioning inspection maintenance Steps commissioning inspection and maintenance 5848 246 ...

Page 63: ...omponent damage in the event of an electrical fault Remake all earth connections Please note Wait at least 30 min between the installation and commissioning of the appliance to prevent equip ment damage Only qualified refrigeration engineers should work on the refrigerant circuit 1 Remove top panel see page 60 2 When work is complete close the heat pump see page 60 Regarding commissioning this app...

Page 64: ...d together so that there are no gaps 2 Check the pre charge pressure of the expansion vessel 3 Charge the primary circuit with Viessmann heat transfer medium and vent Note The system must be protected against frost down to 15 C Please note To prevent equipment dam age check the flow and return connections of the heat pump primary circuit for tightness In the case of leaks switch off the heat pump ...

Page 65: ...ions of the heat pump secondary circuit for tight ness In the case of leaks switch off the heat pump immediately drain the secondary circuit and check the seating of seals gaskets Replace dis placed gaskets 5 Check the system pressure and top up with water if required Minimum system pressure 0 8 bar Permiss operating pressure 2 5 bar Checking expansion vessels and the primary circuit secondary cir...

Page 66: ...pend on the heat pump type on the selected system scheme and the acces sories employed Observe the instructions in the separate service instructions of the Vitotronic SPS heat pump control unit otherwise the appliance will no longer be under war ranty Configuration procedure The configuration procedure is described on the following pages along with screen shots Commissioning inspection maintenance...

Page 67: ...6 2013 15 0 C 24 0 C Flow temperature 38 0 C System ON Switch on the ON OFF switch on the heat pump control unit Select Menu on the default screen Commissioning inspection maintenance Further details regarding the individual steps cont 5848 246 GB Service ...

Page 68: ...Menu 16 41 01 19 06 2013 Home page Plant System info General condition Choose a language Login Select Login Commissioning inspection maintenance Further details regarding the individual steps cont 5848 246 GB ...

Page 69: ...follow Choose a language Plant Home page 0 0 0 User level 3 Logout Configuration Enter the service password This is SERVICE999 Configuration appears if the password has been entered correctly Select Configuration and the configuration menu appears Commissioning inspection maintenance Further details regarding the individual steps cont 5848 246 GB Service ...

Page 70: ...priate system configuration To reset the configuration press Reset configuration System parameters Here you can adjust selected parameters that cannot be adjusted on the system screens Parameters are preset Making incorrect adjustments can result in undesirable system behaviour or defects System controller parameters Parameters that only affect the controller can be adjusted here This includes ext...

Page 71: ...5x systems BW30x in the bottom right hand corner takes you to a selection screen with a further 30x types The Ó arrow takes you to the next configuration screen if a system type has already been selected If the configuration has been performed incorrectly or if the configuration is later changed the existing configuration must be deleted Reset configuration Commissioning inspection maintenance Fur...

Page 72: ...lecting the heat source Selection heat recovery 09 42 19 Boreholes glycol on evaporator Groundwater water on evaporator Ó Next Ò Back Commissioning inspection maintenance Further details regarding the individual steps cont 5848 246 GB ...

Page 73: ...t the communication properties If External control has been selected the screens for further system config uration will be skipped 08 Description External control options Essentially only the heat pump and the primary and secondary pump can be controlled External control is possible for the maximum number of enabled com pressors and optionally the set flow temperature Details are given under Sys t...

Page 74: ...ts are fixed Set values are adjusted in the detailed views of system components Set value is displayed in each case If Direct heating has been selected Direct setpoint appears in the centre of the system overview The set value can be adjusted here OT outside temperature The outside temperature determines the flow temperatures of the heating circuit based on the programmed heating curve The heating...

Page 75: ...in the detailed system view of the booster heater Heating zone 1 3 Here you can set the number of heating circuits installed Each installed heating circuit appears in the system view Adjustments to the circuit are made one by one Regulated A mixer must be installed for every regulated heating circuit The heating circuit has its own heating curve or its own set value If a circuit can also provide c...

Page 76: ... DHW is heated by the system Circulation means a DHW circulation pump is available El heating means an electric booster is available Electric heating is used for reheating if the heat pump fails to reach the required temperature Commissioning inspection maintenance Further details regarding the individual steps cont 5848 246 GB ...

Page 77: ...nder and the cooling circuits Set value is displayed in each case If Direct is selected Direct setpoint appears in the centre of the system overview OT outside temperature The cold water buffer cylinder and the cooling circuits are brought to a tempera ture calculated from the outside temperature and the adjustable cooling curves For adjustment of the cooling curves see page 91 Ext 0 10 V external...

Page 78: ...cylinder Cooling zone 1 3 Here you can set the number of installed cooling circuits Installed cooling circuits appear in the system view Regulated A mixer must be installed for every regulated cooling circuit The cooling circuit has its own cooling curve or its own set value If a circuit is also able to provide heating a choice between cooling or heating can be made it is not possible to select bo...

Page 79: ...ng via boreholes Selection of the residual heat function only for cooling mode only required for active cooling mode Determination of residual heat via dry cooler geothermal probes or a combina tion Ó Next Ò Back Commissioning inspection maintenance Further details regarding the individual steps cont 5848 246 GB Service ...

Page 80: ...y limits and by the control unit The values are initially preset and should only be modified if you have the appropriate technical knowledge Ó Next Ò Back Please note Set frost protection to at least 4 C otherwise the heat pump may be dam aged if operated purely with water Commissioning inspection maintenance Further details regarding the individual steps cont 5848 246 GB ...

Page 81: ...ues You have selected 08 30 25 Heat recovery Heating Setpoint Heating zone 1 Heating zone 2 Heating zone 3 Auxiliary heating Water heater Circulation Electric heating Boreholes Heating storage Slide Regulated Regulated Regulated Yes Yes Yes Yes Press Ó to scroll through the following screens Commissioning inspection maintenance Further details regarding the individual steps cont 5848 246 GB Servic...

Page 82: ...ater heater Circulation Electric heating Boreholes Heating storage by selection Regulated Unregulated Disabled No Yes Yes No The settings are adopted once they have been confirmed Note Please note Check the programming Heat pump configuration is complete Ó Next Ò Back Commissioning inspection maintenance Further details regarding the individual steps cont 5848 246 GB ...

Page 83: ...control settings Ethernet settings Modbus settings For security reasons the configuration screens can only be opened with a sufficiently high user level password Settings for External control Ethernet Modbus Commissioning inspection maintenance Further details regarding the individual steps cont 5848 246 GB Service ...

Page 84: ...uctions Type of control Direct control signals determines the type of control signals for external con trol Enable signal 1 and 2 Changeover signal cooling heating and Ana logue signal for the set value Enable signals There are 3 enable signals in the electrical scheme Enable signal 1 and 2 both open no compressor is enabled 1 closed and 2 open 1 compressor is enabled 1 open and 2 closed 2 compres...

Page 85: ...is switched off Control function Setpoint for External The set flow temperature is defaulted directly by exter nal means or via Modbus Setpoint fixed The set values for heating and cooling are fixed if this is selec ted No set value The number of enabled compressors run for as long as they are enabled provided that there is no alarm signal Min pause duration in minutes Min pause duration following...

Page 86: ...n the display setup for the display to function again Procedure Tap the display in a blank area of the screen until the setup menu appears Select Web Connection select Remote host IP enter a new IP and select OK At the top left tap Back twice and then select Save Save and back Subnet mask IP address Default router Ethernet controller settings 192 CAUTION First read the above information 168 0 1 25...

Page 87: ...ed int or 32 bit signed int depending on parameter Save and back Modbus TCP Modbus UDP Modbus RS485 2 Up Down RS485 communication setting RS485 parity bit Communication interface Modbus Unit Identifier UID Modbus communication settings RS485 baud rate 115200 None N Commissioning inspection maintenance Further details regarding the individual steps cont 5848 246 GB Service ...

Page 88: ...r contractors 20 0 C Day base room temperature 16 0 C Night base room temperature 2 0 Room setpoint factor to change heating curve 20 0 C 2 0 C Room setpoint factor to change heating curve Setpoint 24 0 C Back Room 1 17 03 59 12 08 2013 2 Login Plant Heating curve Cooling curve Night 45 0 42 0 35 0 22 0 8 0 0 0 7 0 20 0 50 0 24 0 Day 45 0 42 0 35 0 22 0 0 0 18 0 40 0 19 0 19 0 20 0 OT 32 0 C K C C...

Page 89: ...ring commissioning the standard temperatures and the adjustment factor need to be set by the contractor The user adjustable set room temperature for day and night affects the flow temperature of the heating circuits as described below Formula Set room temperature standard room temperature heating curve adjust ment factor Example Set room temperature 24 C daytime standard room temperature 20 C A fa...

Page 90: ...temperature is the average set or intended room tempera ture 20 Correct setting of parameter Factor set room curve heating curve change This factor determines the relationship between the room temperature adjust ment and the necessary modification to the flow temperature Theory This factor is required as the room temperature is always below the flow temperature Optimal factor adjustment A calculat...

Page 91: ...ay Saturday Sunday Clock Day operation Back Room 1 Login 20 0 C 16 0 C Day Night Room temperature Holiday program Holiday operation Number of days 5 Outstanding days 0 Please refer to the Vitotronic SPS operating instructions for further details of the operation Instructing the system user The system installer should hand the operating instructions to the system user and instruct the user in opera...

Page 92: ...92 Overview of electrical components See from page 40 Overview of internal components Type BW 301 AS090 to BW 302 AS250 qT qI qO qU wQ wP wW 1 qW qE 2 3 4 8 6 Troubleshooting Repairs 5848 246 GB ...

Page 93: ...80 BW 302 AS250 Compressor 2 Stage 2 qU Compressor 1 Stage 1 qI Oil level sight glass Compressor 1 and 2 qO Return temperature sensor secon dary circuit Only type BW 302 AS090 BW 302 AS120 BW 302 AS150 BW 302 AS180 BW 302 AS250 2 return temperature sensors sec ondary circuit wP Filter dryer wQ Only type BW 302 AS090 BW 302 AS120 BW 302 AS150 BW 302 AS180 BW 302 AS250 Second parallel filter dryer w...

Page 94: ...94 Overview of internal components Type WW 301 AS125 to WW 302 AS300 6 qU qI qT wE wR 34 1 2 wU eP qR qZ qW wZ wO Troubleshooting Repairs cont 5848 246 GB ...

Page 95: ... temperature sensor secon dary circuit Only type WW 302 AS125 WW 302 AS155 WW 302 AS200 WW 302 AS250 WW 302 AS300 2 return temperature sensors sec ondary circuit wP Filter dryer wQ Only type WW 302 AS125 WW 302 AS155 WW 302 AS200 WW 302 AS250 WW 302 AS300 Second parallel filter dryer wW Condenser wE Evaporator wR Return temperature sensor heat pump brine outlet primary circuit wT Flow temperature ...

Page 96: ... see controller and sensor PCB see page 92 Buffer temperature sensor Cylinder temperature sensor Flow return temperature sensor secondary circuit System flow temperature sensor Boiler water temperature sensor external heat generator Pt1000 All sensors in the heat pump refrigerant cir cuit see page 92 Temperature sensors type Pt1000 1600 1500 1400 1300 1200 1100 1000 900 800 Resistance in W Tempera...

Page 97: ...s can lead to serious injury from electric current Before working on the equip ment ensure that the power cir cuit is also at zero volt Removing fuses does not switch the power circuit to zero volt Appliance too noisy Possible causes Transport bracket not removed Doors at the front not properly closed turn quadrant key as far as it will go Hydraulic line touches the heat pump casing Hydraulic line...

Page 98: ...essor 7837942 x 7837943 x x 7837944 x x 7841389 x 7841390 x Motor overload relay 7841282 x x x x x x x Plate evaporator 7837945 x x 7837946 x x 7837947 x 7837948 x 7837949 x Plate condenser 7837950 x x 7837951 x x 7837952 x 7837953 x 7837954 x Oil compensation line 7837955 x x x 7841393 x x Sight glass for brazing 7837956 x x x 7841295 x x Braze adaptor 7837957 x x x 7841295 x x Pressure transmitt...

Page 99: ...ty high pressure switch 7833273 x x x x x x x Cable sensor 7841423 x x x x x x x Pipe strap 7841424 x x x x x x x Temperature sensor 7841293 x x x x x x x Emergency set Schrader 7837973 x x x x x x x SPS front panel 7841357 x x x x x x x Casing cover small 7841398 x x x x Casing cover medium 7841399 x Casing cover large 7841400 x x Rear panel BW 7841401 x x x x x x x Side panel left 7841403 x x x ...

Page 100: ...374 x x x x x x x Hexagon screw 7841376 x x x x x x x Cable entry 7837992 x x x x x x x 7841411 x x x x x x x 7837995 x x x x x x x Labelling of hydraulic connections 7837998 x x x x x x x Handle for mains isolator 7838000 x x x x x x x Handle shaft 7838001 x x x x x x x Mains isolator 7838002 x x 7838003 x x 7838004 x 7841412 x x Terminal cover for mains isolator 7838007 x x 7838008 x x x 7838009...

Page 101: ...starter 7841421 x x x 7841420 x x x x PCD web panel 7841304 x x x x x x x CPU base module 7841305 x x x x x x x CPU extension module 7841306 x x x x x x x Connector 7841307 x x x x x x x Ethernet switch 7841308 x x x x x x x Analogue modem 7841309 x x x x x x x Contactor relay 7841322 x x x x x x x Logical socket 7841323 x x x x x x x Plug in interface relay 7841324 x x x x x x x Reverse voltage p...

Page 102: ...Terminal strip 7841342 x x x x x x x 7841343 x x x x x x x Cable fitting 7838042 x x x x x x x Outside temperature sensor 7841291 x x x x x x x Compressor pressure fitting 7838440 x x x x x x x Part no Vitocal 300 G W Pro SPS Water water Type WW 301 AS Type WW 302 AS 125 155 125 155 200 250 300 Scroll compressor 7837942 x 7837943 x x 7837944 x x 7841389 x 7841390 x Motor overload relay 7841282 x x...

Page 103: ...x x x x x 7841286 x x x x x x x High pressure control 7841290 x x x x x Assembly 7837960 x 7837959 x x Filter dryer 7837961 x x 7837962 x x Dryer bracket 7837963 x x x x x x x Siemens EEV 7841301 x x x x x 7841302 x x Safety high pressure switch 7833273 x x x x x x x Cable sensor 7841423 x x x x x x x Pipe strap 7841424 x x x x x x x Temperature sensor 7841293 x x x x x x x Emergency set Schrader ...

Page 104: ...x Fascia front back 7841405 x x x x x x x Fascia medium 7841407 x x x x Fascia large 7841408 x x x Allen key 7841370 x x x x x x x Caps 7841373 x x x x x x x Spacer 7841374 x x x x x x x Hexagon screw 7841376 x x x x x x x Cable entry 7837992 x x x x x x x 7841411 x x x x x x x 7837995 x x x x x x x Labelling of hydraulic connections 7837998 x x x x x x x Handle for mains isolator 7838000 x x x x ...

Page 105: ...011 x x x NH fuse holder 7841330 x x x x x x x NH fuses 7841332 x x 7841331 x x 7841333 x 7841413 x 7841335 x Main contactors 7841414 x x 7841310 x x 7841311 x x 7841312 x Soft starter 7841421 x x x 7841420 x x x x PCD web panel 7841304 x x x x x x x CPU base module 7841305 x x x x x x x CPU extension module 7841306 x x x x x x x Connector 7841307 x x x x x x x Ethernet switch 7841308 x x x x x x ...

Page 106: ...x x x x x x x 7841327 x x x x x x x 7841328 x x x x x x x Neutral conductor isolator 7841329 x x x x x x x Power supply unit 7841337 x x x x x x x Transformer 7841338 x x x x x x x Terminal strip 7841342 x x x x x x x 7841343 x x x x x x x Cable fitting 7838042 x x x x x x x Outside temperature sensor 7841291 x x x x x x x Tube bundle evaporator 7838422 x x 7838423 x x 7838424 x 7838425 x 7838426 ...

Page 107: ...itocal 300 G W Pro SPS Water water Type WW 301 AS Type WW 302 AS 125 155 125 155 200 250 300 7838438 x x x x x x x Compressor pressure fitting 7838440 x x x x x x x Parts list Ordering parts cont 5848 246 GB Service ...

Page 108: ... Temperature differential primary circuit flow return ΔT With secondary circuit flow temperature 35 C and primary circuit flow temperature 10 C K 3 to 5 With secondary circuit flow temperature 35 C and primary circuit flow temperature 0 C K 2 to 4 Testing the mixer heat pump and cylinder heating Checked under the following conditions Room temperature C Outside temperature C Temperature Cylinder te...

Page 109: ...n flow rate spread 5 K m h 15 0 19 0 14 5 18 8 24 0 30 0 39 0 Pressure drop mbar 120 120 120 120 130 140 180 Max flow tempera ture C 20 20 20 20 20 20 20 Min flow tempera ture C 5 5 5 5 5 5 5 Heating water sec ondary circuit Content l 22 7 28 7 22 7 28 7 38 7 53 5 57 1 Nominal flow rate to EN 14511 m h 16 0 21 0 15 4 20 3 25 8 31 4 41 4 Min flow rate spread 10 K m h 8 0 10 5 7 8 10 2 12 9 15 7 20 ...

Page 110: ...ture C 7 7 7 7 7 7 7 Heating water secon dary circuit Content l 22 7 28 7 22 7 28 7 38 7 53 5 57 1 Min flow rate spread 10 K m h 10 8 13 1 10 3 13 2 17 1 20 5 26 0 Pressure drop at min flow rate mbar 130 130 130 130 130 130 160 Max flow temperature C 60 60 65 65 60 60 60 Note Output data to EN 14511 corresponds to a temperature spread of 3 K at a brine inlet temperature of 0 C and brine outlet of ...

Page 111: ...ch 287 each 298 each Heat pump MCB fuse protection compres sor and consumer A 80 100 80 100 125 160 200 Max operating cur rent A 66 81 60 4 79 8 106 132 162 Electrical values control unit Rated voltage 1 N PE 230 V 50 Hz MCB fuse protection 1 x B16A MCB fuse 6 3 AH slow 250 V Rated output W 1000 1000 1000 1000 1000 1000 1000 Max power con sumption stage 1 W 25 25 25 25 25 25 25 Max power con sumpt...

Page 112: ...uit bar 6 6 6 6 6 6 6 Secondary circuit bar 6 6 6 6 6 6 6 Dimensions Total length mm 1343 1343 1343 1343 1932 2521 2521 Total width mm 911 911 911 911 911 911 911 Total height without programming unit mm 1650 1650 1650 1650 1650 1650 1650 Connections Primary flow and re turn 7 3 3 3 3 3 3 3 Heating flow and re turn 7 2 2 2 2 2 2 2 Weight kg 740 840 745 850 1190 1260 1375 Sound power level tested w...

Page 113: ...27 1 35 0 45 6 57 1 70 0 Min flow rate spread 4 K m h 21 9 25 8 20 3 26 4 33 1 42 5 52 9 Pressure drop at nominal flow rate mbar 310 465 285 459 342 623 937 Max flow tempera ture C 20 20 20 20 20 20 20 Min flow temperature C 8 8 8 8 8 8 8 Heating water sec ondary circuit Content l 22 7 28 7 22 7 28 7 38 7 53 5 57 1 Nominal flow rate to EN 14511 m h 20 0 24 1 19 3 24 9 32 7 41 3 49 9 Min flow rate ...

Page 114: ...h 287 each 298 each Heat pump MCB fuse protection compres sor and consumer A 80 100 80 100 125 160 200 Max operating cur rent A 66 81 60 4 79 8 106 132 162 Electrical values control unit Rated voltage 1 N PE 230 V 50 Hz MCB fuse protection 1 x B16A MCB fuse 6 3 AH slow 250 V Rated output W 1000 1000 1000 1000 1000 1000 1000 Max power consump tion stage 1 W 25 25 25 25 25 25 25 Max power consump ti...

Page 115: ... 6 6 6 6 6 6 Secondary circuit bar 6 6 6 6 6 6 6 Dimensions Total length mm 1932 1932 1932 1932 2521 2521 2521 Total width mm 911 911 911 911 911 911 911 Total height without programming unit mm 1650 1650 1650 1650 1650 1650 1650 Connections Primary flow and re turn 7 3 3 3 3 3 3 3 Heating water flow and return 7 2 2 2 2 2 2 2 Weight kg 1040 1075 1050 1085 1360 1405 1445 Sound power level tested w...

Page 116: ...d Secondary circuits fully installed and filled Electrical installation completed Hydraulic lines fully thermally insulated All windows and external doors sealed Geothermal probes well and connection lines fully installed Components for cooling mode fully installed optional Preferred appointment 1 Date Time 2 Date Time The work that is requested to be carried out by Viessmann will be charged in ac...

Page 117: ...014 2 2009 6 EN 292 T1 T2 EN 55 022 2008 5 EN 294 EN 60 335 2 40 2006 11 EN 394 EN 60 335 1 with A1 2007 02 EN 378 2008 05 EN 61 000 3 2 2006 10 BGR 500 Chapter 2 35 EN 61 000 3 3 2009 06 In accordance with the following Directives this product is designated _ 1253 2004 108 EC 2006 42 EC 97 23 EC 2006 95 EC Details according to the Pressure Equipment Directive 97 23 EC Category I III module A1 The...

Page 118: ...and ards DIN 7003 EN 61 000 3 11 2001 4 DIN 8901 EN 61 000 3 11 2005 09 DIN 8975 EN 62233 2008 11 VDE 0700 366 EN 50 090 2 2 2007 11 EN 62233 Corr 1 2009 04 VDE 0700 365 EN 55 014 1 2007 06 EN ISO 12100 EN 55 014 2 2009 6 EN 292 T1 T2 EN 55 022 2008 5 EN 294 EN 60 335 2 40 2006 11 EN 394 EN 60 335 1 with A1 2007 02 EN 378 2008 05 EN 61 000 3 2 2006 10 BGR 500 Chapter 2 35 EN 61 000 3 3 2009 06 In ...

Page 119: ... Pro see technical guide can be utilised to assess the energy consumption of heating and ventilation systems to DIN V 4701 10 specified by the EnEV Ger many Worb 03 04 2013 KWT Kälte Wärmetechnik AG Viessmann Group René Steiner Certificates Declaration of conformity cont 5848 246 GB Service ...

Page 120: ...emperature sensor Curve 96 D Declaration of Conformity 117 118 Dimensions 19 Draining 95 Draining the heat pump 95 E Electrical components 92 Electrical connection 40 97 General information 11 Electrical connections 40 42 Overview 40 42 Routing cables 38 Electronic expansion valve 93 95 Electronic expansion valve EEV 10 Evaporator 93 95 Expansion vessel Checking the pre charge pressure 65 F Fillin...

Page 121: ...rating pressure 65 Power cable routing 39 Power OFF 58 Power supply 11 54 Primary circuit connection 35 Pt500 96 Pumps 92 94 R Removing the transport brackets 29 Repairs 92 Repair work 63 Replacing seal rings 65 Reports 108 Return temperature sensor primary cir cuit 93 95 Return temperature sensor secondary circuit 93 95 Curve 96 Room height 14 Room volume 14 Routing 230 V cables 39 LV leads 39 Po...

Page 122: ...122 W Wall clearances 14 Keyword index Keyword index cont 5848 246 GB ...

Page 123: ...123 5848 246 GB ...

Page 124: ...55 7527256 7527257 7527258 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 5848 246 GB Subject to technical modifications ...

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Viessmann BW 301.AS090, Installation And Service Instructions Manual

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