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Secondary circuit return temperature sensor

Filter dryer

Only type WW 302.B125, WW 302.B155, WW 302.B200, WW 302.B250, WW 302.B300:
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)

Flow switch

Frost stat

Temperature sensor for frost stat

Sight glass, if installed

Draining the heat pump on the primary/secondary side

Drain the heat pump at the on-site drain valve (pri-
mary/secondary side).

Checking sensors

Sensor

Test element

Connection/installation
position

■

Outside temperature sensor (F0)

■

Flow temperature sensor, heating circuit M2/HC2 (F12)

■

Cooling circuit flow temperature sensor (direct heating circuit
A1/HC1 or separate cooling circuit SKK) (F14)

■

Room temperature sensors

10 kΩ (NTC)

See controller and sensor
PCB (see page 46)

■

Buffer temperature sensor (F4)

■

Cylinder temperature sensor (F6)

■

Flow/return temperature sensor, secondary circuit (F8/F9)

■

System flow temperature sensor (F13)

■

Boiler water temperature sensor, external heat generator
(F20)

10 kΩ (NTC)

All sensors in the heat pump refrigerant circuit

Temperature sensors, type NTC 10 kΩ

Temperature in °C

Resistance in kΩ 0.4

0.6

0.8

90 110

Fig.46

Temperature sensors, type Pt500A

420
400

440

460

480

500

520

540

560

580

600

-40 -30 -20 -10 0

10 20 30 40

Outside temperature in °C

Resistance

in Ω

Fig.47

Troubleshooting

Repairs

(cont.)

5549 984 GB

Service

Содержание KWT BW 301.B090

Страница 1: ...tructions for contractors Vitocal 300 G Pro Type BW 301 B090 to 302 B250 Vitocal 300 W Pro Type WW 301 B125 to 302 B300 For applicability see the last page VITOCAL 300 G PRO VITOCAL 300 W PRO 5549 984...

Страница 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...

Страница 3: ...stage 2 stage 21 Type WW 301 B125 to WW 302 B300 21 Water water cascade 1 stage 2 stage 22 Primary circuit Water water with separating heat exchanger cas cade type BW 301 B090 to BW 302 B250 22 Elect...

Страница 4: ...of internal components type BW 301 B090 to BW 302 B250 68 Overview of internal components type WW 301 B125 to WW 302 B300 69 Draining the heat pump on the primary secondary side 70 Checking sensors 70...

Страница 5: ...epair shutdown X 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 ber of the heat pump c...

Страница 6: ...or to commissioning and following repair or maintenance work check that the heat pump is in the intended condition Danger Falling of heavy or unwieldy heat pump compo nents can result in life threaten...

Страница 7: ...d refrigeration engi neer Wear suitable protective clothing Work on the casing Danger Breaking through the knockouts on the back panel leaves behind sharp edges from the metal retaining tabs that can...

Страница 8: ...valve EEV with an independent control circuit refrigerant circuit controller The heat pump control unit can switch and regulate one cooling circuit The cooling circuit may be a heating circuit prepar...

Страница 9: ...ight see Specification page 88 Suitable equipment for unloading the lorry must be available on site see the following chapter Please note Prevent equipment damage when unloading and handling the heat...

Страница 10: ...e g 2 or 3 layers of corrugated cardboard D Belt strap suitable for the shipping weight Note Lifting with belt straps is only permitted without fitted side panels and front or back panels Handling by...

Страница 11: ...80 1190 kg BW 302 B250 1300 kg Total weight type WW 301 B125 to WW 302 B300 WW 301 B125 1015 kg WW 301 B155 1055 kg WW 302 B125 1035 kg WW 302 B155 1060 kg WW 302 B200 1330 kg WW 302 B250 1380 kg WW 3...

Страница 12: ...tion set and Victaulic flange adaptor set 2 or 3 version 1000 mm On site hydraulic connections 600 mm E Without anti vibration parts side sections 855 mm Note When installing cascades 2 to 5 heat pump...

Страница 13: ...t pump feet Type BW 301 B090 BW 301 B120 BW 302 B090 BW 302 B120 1400 1000 1064 709 F E Fig 6 E Pressure tested sound insulation layer approx 10 mm F Front of the heat pump Type BW 302 B150 BW 302 B18...

Страница 14: ...nsions type BW 301 B090 to BW 301 B120 BW 302 B090 and BW 302 B120 Back panel BW 1 SWEP 1343 1650 911 A B D E H 1243 646 496 946 1093 368 367 G F C Fig 9 A Primary circuit brine inlet Victaulic 3 B an...

Страница 15: ...400 V 50 Hz Note Observe the separately supplied dimensions for pipe knock outs Combination of knock outs to be used with back panel BW 1 SWEP Type Knockouts applicable First knockout BW 301 B090 A C...

Страница 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 B200 WW 302 B250 WW...

Страница 17: ...nnections between several heat pumps on site All components required for the cooling circuit must be provided on site This must be achieved with an appropriately sized plate heat exchanger Primary cir...

Страница 18: ...e must be produced during partial load Electrical installation scheme For a summary of electrical connections see from page 37 and separate Connection and wiring diagram Primary circuit brine water 2...

Страница 19: ...T for partial load wU Geothermal probes Electrical installation scheme For a summary of electrical connections see from page 37 and separate Connection and wiring dia gram Primary circuit brine water...

Страница 20: ...wP Brine safety assembly wQ Pressure switch primary circuit wW Brine distributor geothermal probes collectors wT Primary pump heat pump II fail safe Note For 2 stage Vitocal 300 G Pro a primary pump...

Страница 21: ...rimary circuit wW Separating heat exchanger primary circuit wE Flow switch well circuit remove jumper when connecting wR Dirt trap wT Optional Primary pump 2 fail safe for stage 2 Observe minimum flow...

Страница 22: ...heat exchanger cascade type BW 301 B090 to BW 302 B250 Hydraulic installation scheme wQ 2 1 P 2 LP1 X3 8 3 9 211 1 230V LP1 X3 8 3 9 F2 F3 KM BUS 2 9 211 1 230V LP1 X3 8 3 9 F2 F3 KM BUS qT 2 211 1 w...

Страница 23: ...it wW Separating heat exchanger primary circuit wE Flow switch well circuit remove jumper when connecting wR Dirt trap wT Primary pump heat pump II fail safe Note For two stage Vitocal 300 G Pro a pri...

Страница 24: ...quired equipment Pos Designation 1 Heat pump 2 Integral heat pump control unit Integral frost stat primary circuit Integral flow switch well circuit wR Dirt trap wZ Well pump suction pump for groundwa...

Страница 25: ...tion pump for groundwater fail safe connect to each heat pump via on site contac tor with MCB fuse protection wU Delivery well wI Return well Electrical installation scheme For a summary of electrical...

Страница 26: ...rface to heating water buffer cylinder flow P Interface to primary circuit flow Q Interface to primary circuit return W Interface to the DHW cylinder I Lead heat pump in the heat pump cascade single o...

Страница 27: ...cheme For a summary of electrical connections see from page 37 and separate Connection and wiring dia gram DHW heating Type BW 301 B090 to BW 302 B250 and WW 301 B125 to WW 302 B300 Hydraulic installa...

Страница 28: ...y of electrical connections see from page 37 and separate Connection and wiring dia gram Required parameter settings for DHW heating Set the required parameters during commissioning see from page 57 P...

Страница 29: ...g 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 correctly Installation sequence Siti...

Страница 30: ...the heat pump horizontally as described on page 11 1 Fit the back panel see illustration below 2 Connect the appliance hydraulically and electrically see page 34 and page 48 3 Fit the side panels see...

Страница 31: ...31 Fitting the outer panels 4 3 5 1 2 6 4 3 Fig 24 Note The numbered arrows indicate an installation step Installation sequence Siting the heat pump cont 5549 984 GB Installation...

Страница 32: ...upply 400 V 50 Hz Note Observe the separately supplied dimensions for pipe knock outs Note The illustration above relates to versions with SWEP heat exchangers Overview of connections Type WW 301 B125...

Страница 33: ...Heat pump connections Use of the 2 or 3 connection set accessories 800 A B C D Fig 27 A Victaulic couplings 2 secondary circuit or 3 primary circuit B Flexible connection line with anti vibration ele...

Страница 34: ...A B C D Fig 29 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 onto connection pipe A inside the heat p...

Страница 35: ...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...

Страница 36: ...s 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 to page 16 400 V 230 V...

Страница 37: ...116 3 116 116 K1 116 4 116 116 K1 116 5 116 116 K1 116 6 116 16 LP1 X3 16 N LP1 X2 N 3 K1 X3 3 4 K1 X3 4 116 K2 116 1 116 116 K2 116 2 116 116 K2 116 3 116 116 K2 116 4 116 116 K2 116 5 116 116 K2 116...

Страница 38: ...als 211 1 224 2 see separate connection and wiring diagram sheet 20 Secondary pump s On site connection see separate connection and wiring diagram sheet 13 Factory wiring on main and expansion PCB ter...

Страница 39: ...rent 4 2 A Connection see separate Connection and wiring dia gram sheet 110 211 5 NC Cooling control NC function natural cooling or NC signal for AC function active cooling Connection values Output 10...

Страница 40: ...equired see separate Connection and wiring diagram sheet 121 sheet 122 212 3 DHW circulation pump Connection values Output 50 W Voltage 230 V Max switching current 4 2 A Connection see separate Connec...

Страница 41: ...te Connection and wiring diagram sheet 170 sheet 171 sheet 172 Plug sXF Terminals Function Explanation 224 4 r 2 Instantaneous heating water heater switching stage 2 Connection values Output 10 W Volt...

Страница 42: ...xer motor control heating circuit M2 HC2 Signal mixer CLOSE Connection values Output 10 W Voltage 230 V Max switching current 0 2 0 1 A Connection see separate Connection and wiring dia gram sheet 130...

Страница 43: ...1 116 4 116 116 K1 116 5 116 116 K1 116 6 116 16 LP1 X3 16 N LP1 X2 N 3 K1 X3 3 4 K1 X3 4 116 K2 116 1 116 116 K2 116 2 116 116 K2 116 3 116 116 K2 116 4 116 116 K2 116 5 116 116 K2 116 6 116 16 LP1 X...

Страница 44: ...ed No power OFF safety chain has continuity Open Power OFF enabled Breaking capacity 230 V 0 15 A There must not be a jumper when the power OFF con tact has been connected Note No parameters need to b...

Страница 45: ...ternal H1 extension no other external function can be connected to the external H1 extension K2 220 2 K2 220 3 Only for 2 stage heat pumps Blocking compressor 2 in connec tion with DHW heating Connect...

Страница 46: ...0 Programming unit connection X24 Slot for LON communication module X25 Terminals for internal sensors and components Connections for connecting cable LV to the heat pump control panel or wiring chamb...

Страница 47: ...0 k NTC F17 Never connect anything here X25 13 14 Return temperature sensor secondary circuit for heat pump stage 2 if in stalled connect on site Pt500A PTC F20 Boiler water temperature sensor externa...

Страница 48: ...sed e g instantane ous heating water heater immersion heater in heating water buffer cylinder Connection Appliance installation instructions Electrical connection see separate connection and wiring di...

Страница 49: ...dia gram Protect the power supply to the heat pump control unit with an MCB fuse of max 16 A For accessories and external components that are not to be connected to the heat pump control unit connect...

Страница 50: ...supply utility so a sepa rate power supply is required for the control circuit A separate connection for the control circuit calls for the internal wiring to be changed This wiring work may only be c...

Страница 51: ...the tolerance range of the electronic soft starter is exceeded the soft starter will automatically separate the appliance from the mains Remove the cause if the relay has responded The relay does not...

Страница 52: ...4 Phase loss Motor not connected 5 Phase asymmetry 6 Short circuited Thyristor 7 Test Installing the programming unit Note The programming unit is delivered inside the wiring chamber of the heat pump...

Страница 53: ...rommets with adhesive tape if nec essary 1 Prior to closing the heat pump check the following Are all cables inside the wiring chamber securely attached strain relief cable ties Has the programming un...

Страница 54: ...the secondary side 56 6 Charging and venting the solar circuit 56 7 Checking expansion vessels and the primary circuit heating circuit pressure 57 8 Commissioning the system 57 9 Check electronic flo...

Страница 55: ...see page 53 Regarding commissioning this appliance see also the operating instructions Writing reports Enter all readings taken during the commissioning described below into the reports from page 80...

Страница 56: ...appliance damage check the flow and return connections of the heat pump sec ondary circuit for tightness In the case of leaks switch off the heat pump immediately drain the secondary circuit and chec...

Страница 57: ...result in damage to the appliance and the heat ing system Observe the service instructions for the Vitotronic 200 heat pump control unit other wise the appliance warranty will be void Switch on the O...

Страница 58: ...taneously for approx 4 s Disabling the service menu The service menu remains active until it is ended with Terminate service alternatively it ends if no oper ation takes place for 30 min Setting param...

Страница 59: ...finition System scheme 7000 With DHW heating DHW circulation pump Extended menu Time program DHW circulation Set time program Mixer extension kit for heating cir cuit M3 HC3 System definition System s...

Страница 60: ...ressor mixer in control mode or OPEN System definition Effect of external demand on heat pump heating circuits 7014 0 to 7 Observe parameter Flow temperature for external de mand 730C External changeo...

Страница 61: ...nable external heat source for DHW heating 7B0D 1 Swimming pool water heating Parameters for swimming pool heating Setting System definition External extension 7010 1 or 3 System definition Swimming p...

Страница 62: ...consumption Enable own energy consumptn for set DHW temperature 2 7E10 1 Enable own energy consumption for DHW heating 7E11 1 Enable own energy consumptn for heating water buffer cyl 7E12 1 Enable own...

Страница 63: ...cation module installed Enable LON communication module 7710 1 1 LON system number 7798 1 to 5 1 to 5 LON subscriber number 7777 Each number can only be allocated once 1 to 99 1 to 99 LON fault manage...

Страница 64: ...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 flow...

Страница 65: ...at monitors the refrigerant tem perature on entry into the compressor Note The frost stat switching points are factory set Adjusting these switching points is possible in special cases for example if...

Страница 66: ...the heat pump if parameter 1PF is set to ON Only switch 1PF to ON for short term emer gency operation for example in the event of a sensor break Closing the heat pump Instructing the system user The...

Страница 67: ...at the bottom and remove it around 60 cm working space 3 Put the front panel aside taking into consideration the length of the connecting cable and secure it against falling over 4 Remove the top pane...

Страница 68: ...302 B180 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 BW 302 B250 Compressor 2 Stage 2 qQ Hot gas temperature sensor Compre...

Страница 69: ...ressure 2 Stage 2 4 High pressure sensor EEV 5 Suction gas temperature 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 W...

Страница 70: ...ition Outside temperature sensor F0 Flow temperature sensor heating circuit M2 HC2 F12 Cooling circuit flow temperature sensor direct heating circuit A1 HC1 or separate cooling circuit SKK F14 Room te...

Страница 71: ...y as far as it will go Hydraulic line touches the heat pump casing Hydraulic line not connected free of load and torque stress Anti vibration elements for hydraulic connection missing Dismantling Disp...

Страница 72: ...90 x 7841391 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 Oil compensation line 7842379 x...

Страница 73: ...nel 7841397 x x x x x x x Casing cover small 7841398 x x x x Casing cover medium 7841399 x x x Casing cover large 7841400 Rear panel BW 7842372 x x x x x x x Side panel left 7841403 x x x x x x x Side...

Страница 74: ...eutral conductor 7838011 x x x x Retainer NH elements 7841330 x x x x x x x NH fuses 7842403 x x 7842404 x x 7842405 x 7842406 x 7842407 x Main contactor 7842408 x x 7842409 x x 7842410 x 7842411 x x...

Страница 75: ...x x x Fixings EEV 7838041 x x x x x x x Cable fitting winding protector 7838042 x x x x x x x Mating plug 7832896 x x x x x x x 7832897 x x x x x x x 7832898 x x x x x x x Temperature sensor 7438702 x...

Страница 76: ...6 x x x Soldering adaptor 7837957 x x x High pressure sensor 7833089 x x x x x x x Low pressure sensor 7833090 x x x x x x x Filter dryer 7842377 x 7842378 x x 7837961 x x x x EEV 7837964 x x x 783796...

Страница 77: ...Fascia medium 7841407 x x x x Fascia large 7841408 x x x Vitotronic programming unit 7842371 x x x x x x x Cable entry 7837992 x x x x x x x 7837995 x x x x x x x Labelling hydraulic connections 7837...

Страница 78: ...ary contact for contactors 7841417 x x x x x x x Base for auxiliary relay 7841418 x x x x x x x Relay 7841419 x x x x x x x Circuit protection circulation pump 7838025 x x x x x x x Neutral conductor...

Страница 79: ...x x x x 7832897 x x x x x x x 7832898 x x x x x x x Temperature sensor 7438702 x x x x x x x Cable harness EEV sensor 7843356 x x x x x x x Outside temperature sensor 7837053 x x x x x x x EEV extensi...

Страница 80: ...T If secondary circuit flow temperature 35 C primary circuit flow temperature 10 C K 3 to 5 If secondary circuit flow temperature 35 C primary circuit flow temperature 0 C K 2 to 4 Testing the mixer...

Страница 81: ...ating circuits 7015 4 Vitocom 100 7017 0 Effect of external blocking on pumps compressor 701 A 0 Common flow temperature sensor sys tem 701 B 0 Number of lag heat pumps in cascade 7029 0 Select primar...

Страница 82: ...sen sor 7B11 1 DHW Parameter Code Delivered condition Commission ing Maintenance Service Set DHW temperature 6000 500 50 C Min DHW temperature 6005 100 10 C Max DHW temperature 6006 600 60 C Hysteresi...

Страница 83: ...heating 7902 1 Max output instantaneous heating wa ter heater 7907 3 Output for instant heating water heater at power OFF 790 A 0 Dual mode temp instant heating water heater 790 B 500 50 C Internal h...

Страница 84: ...te control 2003 0 Heating curve level 2006 0 0 K Heating curve slope 2007 6 0 6 Influence room temperature hook up 200 A 10 Room temperature hook up 200 B 0 Max flow temperature heating circuit 200E 4...

Страница 85: ...eparate cooling circuit 7106 0 Cooling curve level 7110 0 0 K Cooling curve slope 7111 12 1 2 Remote control cooling circ 7116 0 Enable coolant buffer cylinder 7120 0 Enable active cooling 71FE 0 Vent...

Страница 86: ...ption for heating 7E13 0 Raise set DHW cylinder temperature PV 7E21 0 0 K Raise set heating water buffer cylinder temp PV 7E22 0 0 K Raise set room temperature PV 7E23 0 0 K Time Parameter Code Delive...

Страница 87: ...outside temperature 77FC 0 Send outside temperature 77FD 0 Source time 77FE 0 Send time 77FF 0 Control Parameter Code Delivered condition Commission ing Maintenance Service Lock out controls 8800 0 C...

Страница 88: ...er secondary 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 Minimum flow rate 10 K spread m h 8 0 10 5 7 8 10 2 12 9 15 7 20...

Страница 89: ...up 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 instead of 10 C the heat pump out put is reduced by appr...

Страница 90: ...18 18 18 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...

Страница 91: ...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 Flow pressure drop at mini mum flow rate...

Страница 92: ...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 Se...

Страница 93: ...lines fully installed Components for cooling mode fully installed All circulation pumps are connected and programmed for correct speed and the maintaining of the re quired flow rates has been checked...

Страница 94: ...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 09 2014 KWT K lte W rmetechnik AG Viessmann Group We K...

Страница 95: ...r the product Vitocal 300 G 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 Germany Worb 01 09 2014 K...

Страница 96: ...l information 8 Heat pump control unit 37 71 Routing cables leads 36 Electrical connections 37 Overview 37 Electrical installation scheme Primary circuit brine water 18 19 20 22 25 27 28 Electric boos...

Страница 97: ...1 For external extension 60 For heating circuit pump 59 For mixer extension kit 59 For Vitocom 100 60 Heat pump stage 2 60 Instantaneous heating water heater 61 On site components 59 Other components...

Страница 98: ...settings 61 Swimming pool 48 Switching point Flow switch 65 Frost stat 65 System pressure checking 56 57 System user instruction 66 T Temperature sensor hot gas 68 69 Temperature sensor suction gas 6...

Страница 99: ...99 5549 984 GB...

Страница 100: ...2 7542683 7542684 7542685 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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