Viessmann 301.BS090 Installation And Service Instructions For Contractors Download Page 73

Page: 73 / 100

Overview of electrical components

See from page 29.

Overview of internal components, type BW 301.BS090 to BW 302.BS250

432

qP 9 qW

qW qQ

qR qTqZ

3
2

qZ
qU

4
6

7
8

Fig.60

Wiring chamber

Safety high pressure switch, high pressure 1 (stage 1)

Only type BW 302.B090, BW 302.B120, BW 302.B150, BW 302.B180 and BW 302.B250:
Safety high pressure switch, high pressure 2 (stage 2)

High pressure sensor EEV

Suction gas temperature sensor EEV

Low pressure sensor EEV

Liquid gas temperature sensor EEV

Electronic expansion valve EEV

Only type BW 302.B090, BW 302.B120, BW 302.B150, BW 302.B180 and BW 302.B250:
Hot gas temperature sensor/compressor 2 (stage 2)

Only type BW 302.B090, BW 302.B120, BW 302.B150, BW 302.B180 and BW 302.B250:
Compressor 2 (stage 2)

Hot gas temperature sensor/compressor 1 (stage 1)

Compressor 1 (stage 1)

Sight glass, oil level, compressor 1 and 2

Secondary circuit return temperature sensor

Filter dryer

Only type BW 302.B090, BW 302.B120, BW 302.B150, BW 302.B180 and BW 302.B250:
Second parallel filter dryer

Condenser

Evaporator

Primary circuit return temperature sensor (heat pump brine outlet)

Secondary circuit flow temperature sensor

Primary circuit flow temperature sensor (heat pump brine inlet)

Secondary circuit return temperature sensor

Troubleshooting

Repairs

5549 991 GB

Service

Summary of Contents for 301.BS090

Page 1: ...ontractors VIESMANN Vitocal 300 G Pro SPS Type BW 301 BS090 to 302 BS250 Vitocal 300 W Pro SPS Type WW 301 BS125 to 302 BS300 For applicability see the last page VITOCAL 300 G PRO SPS VITOCAL 300 W PR...

Page 2: ...olate the system from the power supply e g by removing the separate fuse or by means of a mains isolator and check that it is no longer live Note In addition to the control circuit there may be severa...

Page 3: ...nnecting the secondary circuit 27 Routing cables to the heat pump wiring chamber 28 Overview of electrical connections 29 Overview of electrical connections 30 Power supply 37 Control circuit power su...

Page 4: ...8 Specification Specification type BW 301 BS090 to BW 302 BS250 89 Specification type WW 301 BS125 to WW 302 BS300 92 9 Appendix Heat pump commissioning request 94 10 Certificates Declaration of conf...

Page 5: ...ration X X Maintenance repair shutdown X X X X Dismantling removal collection X X X X X Disposal X X X Occupational safety Electrical connections Danger Electromagnetic radiation near the wiring cham...

Page 6: ...at pump compo nents can result in life threatening crushing or breaks Use suitable ropes slings and lifting gear when installing dismantling compressors and heat exchangers for example Wear appropriat...

Page 7: ...rcuit has an electronic expansion valve EEV with an integrated refrigerant circuit con troller in the SPS The Vitotronic SPS can control up to 3 heating cool ing circuits with mixer All sensors are fi...

Page 8: ...note Prevent appliance damage when unloading and handling the heat pump Never put weight on top of the appliance In order to protect the paintwork cover lifting tackle e g ropes cross beam and insert...

Page 9: ...n the frame C Edge protection e g 2 or 3 layers of corrugated cardboard D Belt strap suitable for the shipping weight Note Handling by crane always without the side front or back panels fitted Prepari...

Page 10: ...temperatures between 0 and 35 C Please note Avoid risks of explosion due to dust gases and vapours in the installation room Please note Observe the permissible floor load Total weight type BW 301 BS09...

Page 11: ...and minimum clearances see following chapter Minimum clearances A B C D E 600 600 Fig 3 E B A C D 600 600 600 C D Fig 4 A Clearance subject to on site installation and site conditions B Clearance for...

Page 12: ...dge unfinished floor D Impact sound insulation as per regulations E Pressure tested sound insulation layer approx 10 to 20 mm Pressure points of the adjustable heat pump feet Type BW 301 BS090 BW 301...

Page 13: ...09 852 800 F E Fig 7 E Pressure tested sound insulation layer approx 10 mm F Front of the heat pump Type WW 302 BS200 WW 302 BS300 1000 709 2640 F E 1150 1090 Fig 8 E Pressure tested sound insulation...

Page 14: ...ry circuit brine inlet Victaulic 3 B and C Secondary circuit flow Victaulic 2 D Primary circuit brine outlet Victaulic 3 E Secondary circuit return Victaulic 2 F Low voltage 50 V G Power supply 230 V...

Page 15: ...bination of knock outs to be used with back panel BW 1 SWEP Type Knock out of outlet Knock out from BW 301 BS090 A C D E C BW 301 BS120 A C D E C BW 302 BS090 A C D E C BW 302 BS120 A C D E C BW 302 B...

Page 16: ...circuit return Victaulic 2 E Power supply 400 V 50 Hz F Low voltage 50 V G Power supply 230 V 50 Hz Note Observe the separately supplied dimensions for pipe knock outs Type WW 302 BS200 WW 302 BS250...

Page 17: ...Hydraulic connection requirements Make on site hydraulic connections stress free Make the hydraulic connections between several heat pumps on site All components required for the cooling circuit must...

Page 18: ...W e R e T e E eO M 3 P iR M w E M M e E q E Fig 13 Note This scheme is a general example without shut off valves or safety equipment This does not replace the need for on site engineering Determine th...

Page 19: ...I Flow temperature sensor cylinder heating eO Cylinder temperature sensor bottom tP Heating water buffer cylinder tQ Buffer temperature sensor top tW Buffer temperature sensor bottom uP 3 way diverter...

Page 20: ...er r P Heat exchanger residual heat r Q Circulation pump residual heat r W 3 way diverter valve residual heat r E Motorised 2 way valve dry cooler shut off r R Motorised 2 way valve geothermal probe s...

Page 21: ...lly as described on page 10 Removing the transport brackets Please note If transport brackets are not removed they cause vibrations and excessive noise Remove and dispose of all 4 transport brackets c...

Page 22: ...en downwards 1 Fit the back panel see illustration below 2 For connecting the appliance hydraulically and electrically see page 26 and page 28 3 Fit the side panels see illustration below 4 Fit the fr...

Page 23: ...3 Fitting the outer panels 4 3 5 2 1 6 4 3 Fig 16 Note Each of the arrows with numbers in circles shown below indicates one step Installation sequence Siting the heat pump cont 5549 991 GB Installatio...

Page 24: ...Return primary circuit brine outlet Victaulic 3 E Secondary circuit return Victaulic 2 heat pump water outlet F Low voltage 50 V G Power supply 230 V 50 Hz H Power supply 400 V 50 Hz Note Observe the...

Page 25: ...bserve the separately supplied dimensions for pipe knock outs Note The diagram above relates to versions with GEA plate heat exchangers Use of the 2 or 3 connection set accessories 800 A B C D Fig 19...

Page 26: ...ting the Victaulic couplings PN10 220 300 A B C D Fig 21 1 Clean all Victaulic connections 2 Open Victaulic coupling B around 1 cm 3 Push Victaulic coupling B with inserted gasket as far as it will go...

Page 27: ...ry lines inside the building with ther mally insulating and vapour diffusion proof materi als 5 Charge the primary circuit with Viessmann heat transfer medium and vent Connecting the secondary circuit...

Page 28: ...the wires can not drift into the adjacent voltage area When routing on site power cables observe the loca tion of the cable entries into the appliance through the back panel see page 14 400 V 230 V 50...

Page 29: ...W 302 BS090 BW 302 BS120 BW 302 BS150 BW 302 BS180 BW 302 BS250 WW 302 BS125 WW 302 BS155 WW 302 BS200 WW 302 BS250 WW 302 BS300 MCB fuse power circuit compressor 2 O Only type BW 302 BS090 BW 302 BS1...

Page 30: ...s 4 Main PCB 5 Expansion PCB 6 Terminal strip for internal heat pump components Overview of electrical connections Terminal strip for external heat pump field devices Note The terminal strip for exter...

Page 31: ...A AC1 Circuit protection from load MCB fuse 5FC1 observe the maximum total current of 16 A Terminals Function Explanation 13X0 Circulation pump evaporator Heat pump Connection values Max output 4000 W...

Page 32: ...A AC3 25X1 Circulation pump external heat source Connection values Max output 4000 W 2200 W Voltage 400 V 230 V Max switching current 9 A AC3 40X0 Circulation pump residual heat pri mary circuit Conne...

Page 33: ...ernal heat source Connection values Max output 180 VA Voltage 24 VAC DC 0 10 V Terminals Function Explanation 22X0 Diverter valve DHW heating Connection values Voltage 24 VDC Max switching current 4 A...

Page 34: ...lve 1 3 way diverter valve cooling mode Connection values Voltage 24VDC Max switching current 4 A 36X2 Diverter valve 2 2 way shut off valve source Connection values Voltage 24VDC Max switching curren...

Page 35: ...and 1 Requires floating contact Closed Demand 1 active No jumper should be installed if a start command is connected 19X6 External demand 2 Requires floating contact Closed Demand 2 active No jumper s...

Page 36: ...n values Voltage 24 VDC 230 VAC Factory fitted 9X3 High pressure sensor compressor 2 Connection values Voltage 24 VDC 230 VAC Factory fitted 13X6 EEV control valve liquid Evaporator Heat yield Electro...

Page 37: ...sensor cylinder cold wa ter bottom Pt 1000 PTC 37X4 Flow temperature sensor heating Cylinder cold water Pt 1000 PTC Danger Incorrectly executed electrical installations can result in injuries from ele...

Page 38: ...rol unit with an MCB fuse of max 25 A Information on the compressor power supply power circuit Please note Incorrect phase sequence can cause damage to the appliance Make the compressor power supply o...

Page 39: ...an electrical contractor according to the wiring diagram The control circuit power supply and the cable for the power OFF signal can be combined in a single 5 core cable Cable lengths in the heat pump...

Page 40: ...he respective heat pump type Prior to commissioning compare the DIP switch set tings with the details in the separate Connection and wiring diagram and adjust if necessary Explanation of the LED indic...

Page 41: ...required carry out an operating display adjustment high flow balancing see below for example if circulation pumps had to be sized for higher flow rates LED 0 flashes green Flow rate below minimum flo...

Page 42: ...liance with the existing flow rate 2 Hold down for around 5 s until LED 9 flashes 3 Release Checking the electronic frost stat type AC1 2W Fig 27 The electronic frost stat monitors the refrigerant tem...

Page 43: ...u sion proof Check tightness of internal hydraulic connec tions Please note To prevent the formation of condensate and the excessive development of noise tightly seal the doors at the front Danger The...

Page 44: ...urely close the front panel with an Allen key 4 Hand over product documentation for service and Allen key to the qualified contractor Installation sequence Closing the heat pump cont 5549 991 GB Insta...

Page 45: ...t for leaks 46 4 Filling and venting on the primary side 46 5 Filling and venting on the secondary side 47 6 Checking expansion vessels and primary circuit secondary circuit pressure 47 7 Commissionin...

Page 46: ...ge 43 Regarding commissioning this appliance see also the operating instructions Writing reports Enter all readings taken during commissioning descri bed below into the reports from page 85 onwards Ch...

Page 47: ...ightness In the case of leaks switch off the heat pump immediately drain the secondary circuit and check the seating of the gaskets Replace displaced gaskets 5 Check the system pressure and top up wit...

Page 48: ...default screen and almost every other screen takes you straight to the main menu screen Calling up the configuration screens From the main menu select Login The password must be entered following a sy...

Page 49: ...20 7 C Heat pump External control Plant switched on Fig 29 This default screen is shown if your heat pump is con trolled by third party equipment Menu Plant switched off Start page Start page System S...

Page 50: ...u then appears 1 Configuration menu Configuration menu 16 12 37 29 07 2013 Back Home page System configuration System parameters System controller parameters For security reasons some of the configura...

Page 51: ...be set here This includes external control 1 2 Selecting the system configuration commis sioning Select Select Login Enter the password and select Configuration Select Configuration Plant and then Se...

Page 52: ...B BW30x BW35x BW35x Screw Reset configuration Fig 34 Selection size Selection size 11 14 53 Main menu BW30x Bxxx BW35x Axxx Selection BW300 BW350 BW30x Bxxx BW35x Axxx Fig 35 Commissioning inspection...

Page 53: ...e can be called up at any time under System info If the configuration has been performed incorrectly or is later changed the existing configuration must be deleted with Reset configuration See page 52...

Page 54: ...as been selected the screens for further system configuration will be skipped Cascade slave If the heat pump in a cascade is a slave heat pump select Cascade slave No selection has to be made on this...

Page 55: ...f individual heating circuits under Curve Curve appears under Heating circuit x after you have logged in with the service expert password Ext 0 10 V external output signal The set value for the heatin...

Page 56: ...circulation means a DHW circulation pump is installed El heating means an electric booster heater is installed The electric booster heater will provide reheating if the heat pump cannot achieve the r...

Page 57: ...ment of the cooling curves see page 72 Ext 0 10 V external output signal The set value for the coolant buffer cylinder and cooling circuits is specified by an external analogue signal 0 V 10 C 10 V 73...

Page 58: ...oling Cooling via boreholes Fig 42 Selection of the residual heat function only in cool ing mode only required for active cooling mode Determination of residual heat via dry cooler geo thermal probes...

Page 59: ...o at least 4 C otherwise the heat pump may be damaged if operated purely with water System type High pressure condensation temperature Max flow Vitocal 300 G W Pro 60 C 55 C Source type Low pressure e...

Page 60: ...Heating zone 2 Heating zone 3 Auxiliary heating Water heater Circulation Electric heating Boreholes Heating storage Slide Regulated Regulated Regulated Yes Yes Yes Yes Fig 44 Press to scroll through t...

Page 61: ...ction Regulated Unregulated Disabled No Yes Yes No Fig 45 Confirmation of set values The settings are adopted once they have been con firmed Note Important Check settings Heat pump configuration is co...

Page 62: ...us UP 0 Min pause time in minutes Down UP 0 Setpoint constant cooling in C Down UP 0 Setpoint constant heating in C Down BACnet Setpoint constant No setpoint Direct control signals Setpoint external H...

Page 63: ...following the last shutdown Electrical connections for external control Signal Scheme page E scheme con nection Enable signal 1 19 19 x 4 Enable signal 2 19 19 x 6 Signal Scheme page E scheme con nec...

Page 64: ...his determines what interface and what interface protocol are used to transfer the data For new build always selected Modbus TCP Select Select Login Enter the password and select Configuration Select...

Page 65: ...ircuits Select Select Login Enter the password and select Configuration Select Configuration Plant Select Selection external control Configuration Selection external control 10 12 17 External control...

Page 66: ...rcuit extension Communication cascade Activate cascade Communication interval No 240 Parallel operation 0 0 0 0 Fig 52 Cascade present Always select yes for Master and Slave This determines the cascad...

Page 67: ...witching commands Enable heat pump Enable from electricity plant Emergency off enabled Command enable stage 1 Command enable stage 2 Heating DHW heater Cooling Heating cooling Residual heat Freecoolin...

Page 68: ...s Heat pump heating mode Ethernet address Heating circuit extension Communication cascade Activate cascade Communication interval Yes 240 Emergency mode only 0 0 0 0 Fig 55 Configuration of slave heat...

Page 69: ...stem parameters System controller parameters For security reasons some of the configuration screens can only be opened with a service or contractor password Fig 56 Select Parameters Plant Select menu...

Page 70: ...hout Offset with Offset Here the currently captured outside temperature is displayed with and without offset Averaging Hrs Time in hours for calculating the average The default value is 24 hours The s...

Page 71: ...it The standard room temperature the adjustment factor and the user adjustable set temperature are constants During commissioning the standard temperatures and the adjustment factor need to be set by...

Page 72: ...the difference described above Select menu Select System Select Heating circuits Select Room 1 Heating circuit adjustments for the user 13 18 56 17 04 2013 Plant 05 00 05 00 05 00 05 00 05 00 05 00 05...

Page 73: ...BW 302 B120 BW 302 B150 BW 302 B180 and BW 302 B250 Hot gas temperature sensor compressor 2 stage 2 qP Only type BW 302 B090 BW 302 B120 BW 302 B150 BW 302 B180 and BW 302 B250 Compressor 2 stage 2 q...

Page 74: ...sor EEV 5 Suction gas temperature sensor EEV 6 Low pressure sensor EEV 7 Liquid gas temperature sensor EEV 8 Electronic expansion valve EEV 9 Only type WW 302 B125 WW 302 B155 WW 302 B200 WW 302 B250...

Page 75: ...allation position Outside temperature sensor Flow temperature sensor secondary circuit Flow temperature sensor cooling circuit Pt 1000 See separate wiring dia gram Buffer temperature sensor Cylinder t...

Page 76: ...et 2 3 Subject to heat pump compressor output see chap ter Specification Power circuit MCB fuse system components see separate Connection and wiring diagram Danger Contact with live components can lea...

Page 77: ...9 x 7841390 x Motor overload relay 7841282 x x x x x x x Plate evaporator 7842382 x x 7842383 x x 7842384 x 7842385 x 7842386 x Plate condenser 7842387 x x 7842388 x x 7842389 x 7842390 x 7842391 x Oi...

Page 78: ...841357 x x x x x x x Casing cover small 7841398 x x x x Casing cover medium 7841399 x x x Back panel BW 7842372 x x x x x x x Side panel left 7841403 x x x x x x x Side panel right 7841404 x x x x x x...

Page 79: ...x x NH fuses 7842403 x x 7842404 x x 7842405 x 7842406 x 7842407 x Main contactors 7842408 x x 7842409 x x 7842410 x 7842411 x x Soft starter 7842369 x x 7838019 x x x x 7841420 x PCD web panel SAIA 7...

Page 80: ...rmer 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 winding protection 7838042 x x x x x x x Outside temperature sensor 7841291 x x x x x x x Cable fitt...

Page 81: ...x x x 7837962 x x Dryer bracket 7837963 x x x x x x x EEV 7841300 x x x x 7841301 x x x HP safety switch 7842376 x x x x x 7842374 x x Pipe sensor 7841423 x x x x x x x Pipe strap 7841424 x x x x x x...

Page 82: ...998 x x x x x x x Handle for mains isolator 7838000 x x x 7842400 x x x x Shaft for handle 7842401 x x x 7842402 x x x x Mains isolator 7838003 x x 7838004 x x 7841412 x x 7842370 x Terminal cover for...

Page 83: ...7841322 x x x x x x x Logical base 7841323 x x x x x x x Plug in interface relay 7841324 x x x x x x x Reverse voltage protection diode suppressor diode 7841325 x x x x x x x Circuit breaker 7841326...

Page 84: ...kW 7552052 7552053 7552054 7552055 7552056 7552057 7552058 7838424 x 7838425 x 7838426 x Flow switch 7841431 x x x x x x x Frost stat 7838438 x x x x x x x Cable fitting compressor 7838440 x x x x x x...

Page 85: ...lay 180 s Config Heat pump param eters Restart delay 900 s Heat pump system expan sion valve requires expert password Overheating set val ue 6 K Heat pump system expan sion valve requires expert passw...

Page 86: ...ture 48 C System DHW heater Set value Set value emergency heating Set temperature 55 C System DHW heater Set value Set value emergency heating Pasteurisation set temperature 65 C Time settings DHW hea...

Page 87: ...ard room temperature Heating circuit 1 Day standard room tem perature Heating circuit 2 Day standard room tem perature Heating circuit 3 Day standard room tem perature 20 C System Heating circuits Hea...

Page 88: ...05 00 22 00 to Sunday 05 00 22 00 Heating and cooling circuits Time settings Day night change over times Day mode Monday 05 00 22 00 to Sunday 05 00 22 00 Booster heater Time settings Start delay to...

Page 89: ...ater secondary circuit Capacity 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 Minimum flow rate 10 K spread m h 8 0 10 5 7 8 10 2 12 9 15 7...

Page 90: ...or down Operation as water water heat pump with intermedi ate circuit If the brine temperature of the intermediate circuit is reduced to 8 C from 10 C the heat pump output is reduced by approx 5 Infor...

Page 91: ...18 Permiss operating pressure high pressure side bar 43 43 43 43 43 43 43 No of hermetically sealed scroll compressors Type 1 1 2 2 2 2 2 Permiss operating pres sure Primary circuit bar 6 6 6 6 6 6 6...

Page 92: ...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 Minimum flow rate 10 K spread m h 11 0 12 5 10 0 12 5 16 4 20 7 25 0 Pressure drop at minimum flow rate mbar...

Page 93: ...Permiss operating pressure high pressure side bar 43 43 43 43 43 43 43 No of hermetically sealed scroll compressors Type 1 1 2 2 2 2 2 Permiss operating pres sure Primary circuit bar 6 6 6 6 6 6 6 Sec...

Page 94: ...ry 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 ful...

Page 95: ...uide can be utilised to assess the energy consumption of heating and ventilation systems to DIN V 4701 10 specified by the EnEV Germany Worb 01 11 2014 KWT K lte W rmetechnik AG Viessmann Group We KWT...

Page 96: ...he product Vitocal 300 G Pro SPS see techni cal guide can be utilised to assess the energy consumption of heating and ventilation systems to DIN V 4701 10 specified by the EnEV Germany Worb 01 11 2014...

Page 97: ...ure sensor primary circuit 73 75 Flow temperature sensor secondary circuit 73 75 Curve 75 Frost stat 42 H Heat pump closing 43 Heat pump opening 46 Heat pump draining 75 Heat pump levelling 21 Heat pu...

Page 98: ...73 74 Seal ring replacement 47 Secondary circuit filling 47 Secondary circuit filling and venting 47 Secondary circuit connection 27 Sensors 73 74 Sensors checking 75 Siting 10 14 21 Soft starter 39 S...

Page 99: ...99 5549 991 GB...

Page 100: ...5 7552056 7552057 7552058 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 Alle...

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Viessmann 301.BS090, Installation And Service Instructions For Contractors

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