Viessmann BW 301.C17 Operating And Service Instructions Download

Page: 68 / 104

Fig. 30

Electrical connections on the heat pump control unit

sYÖ

sVA

X31

X25

aVG

F26

F20

F14

F16

F12

F13

F11

X24

sXD

X15

Fig. 31

Cross connect PCB: See page 71.
F1 Fuse 6.3 A (slow): See page 74.

Main PCB: See page 69.
F3 Fuse 6.3 A (slow): See page 74.

Expansion PCB: See page 70.

Controller and sensor PCB: See page 73.

Maintenance

Opening the heat pump control unit

(cont.)

5800 917 GB

Maintenance

Summary of Contents for BW 301.C17

Page 1: ...ons for contractors VIESMANN Vitocal 300 G Type BW 301 C17 Ground source heat pump with refrigerant R290 for operation in the ESyCool con tainer For applicability see the last page VITOCAL 300 G 5800...

Page 2: ...ontractors certification from an industry accredited body required Work on electrical equipment may only be carried out by a qualified electrician The system must be commissioned by the system install...

Page 3: ...heating or water pipes to dis charge static loads Work on the refrigerant circuit R290 refrigerant propane is an air displacing colour less flammable odourless gas which forms explosive mixtures with...

Page 4: ...rotection provided for this purpose max 4 heat pumps in one container No permanent ignition sources may be installed in this container e g open flames other gas applian ces or electric heaters The hea...

Page 5: ...trast 17 Setting the display brightness 17 Setting the temperature unit C F 17 6 Manual mode 18 7 Function description External control 19 8 Troubleshooting Calling up messages 20 Message overview 21...

Page 6: ...riber check 45 Subscribers Modbus KM BUS 45 Service PIN 46 Function check 46 Saving loading settings 46 Saving settings 47 Load settings 47 13 Control unit settings Coding level 1 in the service menu...

Page 7: ...control unit 67 Electrical connections on the heat pump control unit 68 Information regarding the electrical connections 69 Main and expansion PCB 69 Cross connect PCB 71 Controller and sensor PCB 73...

Page 8: ...steps are carried out Warning of material losses and environ mental pollution Live electrical area Pay particular attention Component must audibly click into place or Acoustic signal Fit new componen...

Page 9: ...tors and cold rooms Intended use presupposes that a fixed installation in conjunction with permissible system specific compo nents has been carried out Commercial or industrial use for a purpose other...

Page 10: ...ery setting level For example control parameters can only be called up at the contractor setting level System user The System user setting level is suitable for people who have been instructed in the...

Page 11: ...sure on a wall in the container Front of the heat pump control unit B D A External control Flow temperature 40 C C Fig 2 A Fault indicator red B ON indicator green C Programming unit D ON OFF switch O...

Page 12: ...iance operation Calling up Operating info If the screensaver is active Press From any point in the menu Press until the standard display is shown Press Symbols on the display These symbols are not alw...

Page 13: ...Press OK The standard display appears Extended menu The extended menu serves to adjust settings and call up information on the operating state of the heat pump Calling up the extended menu If the scr...

Page 14: ...Screen saver Temperature unit Manual mode See page 18 Service menu In the service menu important diagnostic and service functions are available In addition the control unit parameters can also be set...

Page 15: ...ervice Diagnosis See page 29 Actuator test See page 43 Coding level 1 See page 48 Sensor matching See page 44 Message history See page 20 Service functions See page 45 Operation Service menu cont 5800...

Page 16: ...ady for operation Shutting down the heat pump 1 Switch off the ON OFF switch on the heat pump control unit See fig 2 on page 11 2 Isolate the system from the power supply e g at a separate fuse or a m...

Page 17: ...quired contrast Setting the display brightness The display brightness for Control and Screen saver can be adjusted to make the menu texts easier to read 1 Extended menu 2 Settings 3 Brightness 4 Contr...

Page 18: ...ended menu 2 Manual mode Manual mode Terminate with OK Fig 6 Note Scan values and information on settings can be called up in the extended menu while manual mode is active For this press Any changed s...

Page 19: ...the higher control unit via Modbus When External control is active the compressor always runs at maximum output The set flow tempera ture is permanently set to 50 C Note Although neither the primary...

Page 20: ...ult message will be redisplayed the following day The signalling equipment is switched on again if installed The message is adopted into the Fault Warning or Note menu within the extended menu Calling...

Page 21: ...Measure Last message in message histo ry refrigerant circuit Message from the refrigerant circuit controller Observe Diagnosis Refrigerant circuit Message history 10 Outside temp sensor An outside tem...

Page 22: ...11 X25 12 See Controller and sensor PCB Replace sensor if required 28 Flow sensor secondary Operation with temperature value of return tempera ture sensor in secondary circuit plus 5 K If the secondar...

Page 23: ...als X25 3 X25 4 See Controller and sensor PCB Replace sen sor if required 38 Flow sensor primary Operation with temperature value of return tempera ture sensor in primary circuit plus 3 K If the prima...

Page 24: ...oad relay Check safety high pressure switch Note After removing the fault switch the appliance first off and then on again B0 Device recognition Heat pump does not start Cause Measure Error in recogni...

Page 25: ...mper between terminals X3 6 X3 7 Insert jumper if required See Cross connect PCB C9 Refrigerant circ SHD Compressor stops Cause Measure Refrigerant circuit fault Safety high pressure switch has respon...

Page 26: ...oes not start Cause Measure Coding card cannot be read Check coding card Switch off heat pump control unit and check whether coding card has been inserted correctly Reinsert coding card if necessary R...

Page 27: ...h if the motor overheats D3 Low pressure Compressor stops Cause Measure Low pressure fault Heat pump is faulty Low pressure sensor has issued a fault message Low pressure sensor faulty Have heat pump...

Page 28: ...r output not selected Set parameter Output compressor stage 5030 to 17 kW FF New start Information display no function restriction Cause Measure New start of heat pump control unit No action required...

Page 29: ...k See chapter System Logbook Operating status system Central fault Coding card Time Date Screed drying days Heat pump Compressor Primary pump status Secondary pump status Hours run compressor No of st...

Page 30: ...w pressure Control high pressure Cmprssr motor protcn Brief scan See chapter Brief scan System information See chapter System information System overview 1 Service menu Press OK simultaneously and hol...

Page 31: ...or F Primary pump Not connected Animated symbol Signal output is being switched G Secondary circuit return temperature in C H Secondary circuit flow temperature in C K Heating mode System overview con...

Page 32: ...Pause to reduce compressor wear 180 or 600 s Refrigerant circuit functions Max time for suction gas pressure control 10 min HP protection functions Max time during which the minimum temperature dif f...

Page 33: ...730E Logbook The logbook contains the last 30 status changes of the heat pump For each status change further informa tion can be called up This means the control charac teristics of the heat pump cont...

Page 34: ...Stop hysteresis reached Set temperature exceeded or undershot by hysteresis Power OFF enabled Jumper at terminals X3 6 X3 7 is not inserted Compressor stop Compressor has stopped There is no longer a...

Page 35: ...circuits in the heat pump control unit This enables the tracing of functions of individual heat pump and heating system components Central demand managers Display Control circuit CFDM2 Heating circui...

Page 36: ...it Back with C A F H B G 100 51 0 26 1 tc 33 0 35 5 116 5 6 0 tO M N P 33 6bara 11 5 4 6bara D E tO 4 0 10 0 4 0 K 8 2K 8 0K L Q R290 Fig 15 Pos Refrigerant circuit in heating mode A Secondary circuit...

Page 37: ...application limits shown it is possible to see whether and how often the application limits of the refrigerant circuit parameters have been exceeded during operation 1 Service menu Press OK simultaneo...

Page 38: ...cal order The most recent message is listed first Up to 30 entries are stored 1 Service menu Press OK simultaneously and hold for approx 4 s 2 Diagnosis 3 Refrigerant circuit 4 Message history Message...

Page 39: ...k resistance value Pt500A at the sensor connection of the EEV PCB See EEV PCB 1 Replace sensor if required 0A S Short circuit lead break low pressure sensor Compressor OFF Energy statement is not calc...

Page 40: ...ee System information In the event of repeat occurrence Have the refrigerant circuit checked by a refrigeration engineer 49 Max operating pressure MOP for evaporator has been reached Change over from...

Page 41: ...ir cuit controller 0 0 05 0 0 0 0 0 0 06 0 No external demand 1 External de mand 0 No external blocking 1 External blocking 0 0 0 0 07 LON Subnet address system no LON Node address subscriber no 0 0 0...

Page 42: ...G Heat pump product name VC stands for Vitocal Control State when making a service request Heat pump Coding card Refrigerant circ ctrllr 1 1 Type of refrigerant circuit controller Refrigerant circuit...

Page 43: ...OK simultaneously and hold for approx 4 s 2 Actuator test 3 Select required actuator 4 Set the required condition See the following table 5 Use to call up the System overview and the diagnostic page...

Page 44: ...ve The correction value is added to the current temperature reading 1 Service menu Press OK simultaneously and hold for approx 4 s 2 Sensor matching 3 Select sensor 4 Set and apply adjustment value Se...

Page 45: ...d the LON subscriber Check the LON connection and LON parameters Subscribers Modbus KM BUS List of all subscribers connected to the control unit via Modbus or KM BUS The connection parameters for each...

Page 46: ...Start the required function e g Heat pump Only those functions are shown that correspond to the actual system equipment level During the function check the system overview is displayed See System over...

Page 47: ...ngs on the control unit are over written Before loading ensure that the heating system functions properly with the parameter settings saved on the coding card 1 Service menu Press and hold OK simultan...

Page 48: ...OK simultaneously and hold for approx 4 s 2 Coding level 1 3 Select parameter group e g Compressor 4 Select parameter e g Enable compressor 5000 5 Set a value e g 1 If the service menu has already be...

Page 49: ...g value results The setting value of the parameter can be determined in accordance with the following table Setting example Bit Settings for any parameter Bit signifi cance Setting combination 0 Not s...

Page 50: ...24 Restoring delivered condition reset All parameters are returned to their factory settings 1 Service menu Press OK simultaneously and hold for approx 4 s 2 Coding level 1 3 Standard setting 4 All gr...

Page 51: ...nal Demand externally is enabled the compressor starts 7015 to 7017 Never adjust 7018 Temperature range input 0 10V Temperature range for DC voltage signal 0 to 10 V The range starts at 0 C and contin...

Page 52: ...52 Never adjust Parameter group System definition 701A to 701C 5800 917 GB Parameter...

Page 53: ...setting wizard Please note The compressor will not start if no bit has been selected Select at least Bit 2 The setting value results from the combination of se lected bits 5030 Output compressor stage...

Page 54: ...ust 730C Set flow temperature external demand Set flow temperature for the secondary circuit in the case of external demand to the heat pump irrespec tive of the room temperature or actual outside tem...

Page 55: ...enu Press OK simultaneously and hold for approx 4 s 2 Coding level 1 3 Primary source 4 Select parameter 7400 to 7401 Never adjust Parameter group Primary source Calling up the parameter group 5800 91...

Page 56: ...ice menu Press OK simultaneously and hold for approx 4 s 2 Coding level 1 3 Smart Grid 4 Select parameter 7E80 to 7E95 Never adjust Parameter group Smart Grid Calling up the parameter group 5800 917 G...

Page 57: ...intertime week Wintertime day Parameter Delivered condition Setting range Automatic changeover summertime win tertime 7C00 1 1 Automatic changeover enabled 0 Automatic changeover not ena bled Start su...

Page 58: ...menu Press OK simultaneously and hold for approx 4 s 2 Coding level 1 3 Communication 4 Select parameter 7707 to 77FF Never adjust Parameter group Communication Calling up the parameter group 5800 917...

Page 59: ...0 Lock out controls Value Standard display Extended menu 0 1 2 Controls enabled Controls locked out Note Enabling the controls via Coding level 1 is also possi ble in the blocked condition setting val...

Page 60: ...time Before during and after the work check the surrounding area for any escaping refrigerant using an explosion proof refrigerant detector suitable for R290 This refrigerant detector must not generat...

Page 61: ...nes and components must be installed in such a manner that they do not come into contact with substances that can cause corrosion Exception The refrigerant lines are made from corrosion resist ant mat...

Page 62: ...ot use silicone as a sealant Spare parts must correspond to the manufacturer s specifica tions Work on components which are suitable for flammable atmos pheres It is not imperative that these componen...

Page 63: ...es in the vicinity of the heat pump If brazing soldering work needs to be undertaken to remedy the leak always extract all the refrigerant from the refrigerant circuit Purge the site to be brazed sold...

Page 64: ...tem from the power supply e g at a sepa rate MCB fuse or a mains isolator Check that it is no longer live Safeguard against recon nection To avoid spark formation Prior to working on the appliance wai...

Page 65: ...nt circuit Never connect any thing here C Compressor contactor D Compressor thermal relay E Safety high pressure switch coupling relay F Power supply unit for safety high pressure switch G Phase monit...

Page 66: ...as temperature sensor Pt500A P Low pressure sensor R EEV stepper motor See fig 28 S Power supply EEV stepper motor Fig 28 Checking the control panel for vapour tightness Danger Risk of explosion Elect...

Page 67: ...anel is not ensured Do not commission the heat pump Check the control panel gaskets Replace the gaskets if necessary Repeat the test 6 Remove the hose of the testing device 7 Refit the red plug Ensure...

Page 68: ...X25 X6 F3 aVG F26 F20 F14 F16 F12 F13 F11 F0 X24 sXD X15 Fig 31 A Cross connect PCB See page 71 F1 Fuse 6 3 A slow See page 74 B Main PCB See page 69 F3 Fuse 6 3 A slow See page 74 C Expansion PCB See...

Page 69: ...d to the same terminal press both cores together in a single wire ferrule The KM BUS wires are interchangeable The Modbus wires are not interchangeable The neutral and earth conductors of all componen...

Page 70: ...sed 210 2 is live If the compressor will not run Check whether it has been enabled by the refrigerant circuit controller dedicated relay on EEV PCB Expansion PCB on main PCB 230 V components sX sXA sX...

Page 71: ...4 15 16 17 18 19 20 21 1 2 3 4 5 6 7 8 9 10 11 12 X5 X7 X6 A Fig 34 A Plug in connection ON OFF switch not on cross connect PCB F1 Fuse 6 3 A slow X1 Terminals X1 for earth conductors of all associate...

Page 72: ...nnect anything here X3 8 X3 9 Jumper Do not remove jumper Never connect anything here X3 10 X3 11 Jumper Do not remove jumper Never connect anything here X3 12 X3 13 External demand signal External co...

Page 73: ...ON communication module X25 Connecting lead to the heat pump Low voltage 42 V sensors X31 Coding card slot aVG KM BUS sVA Modbus 2 wires not interchangeable Data connection to higher ranking control u...

Page 74: ...ead to an increased risk of fire Insert fuses without using any force Posi tion fuses correctly Only use structurally identical types with the specified response characteristics Danger Removing the fu...

Page 75: ...ature sensor heat pump brine inlet Pt500A D Primary circuit air vent valve E Low pressure sensor H Secondary circuit flow temperature sensor Pt500A K Air vent valve secondary circuit Q Compressor R El...

Page 76: ...ssure sensor F Suction gas temperature sensor G High pressure Schrader valve H Secondary circuit flow temperature sensor Pt500A K Air vent valve secondary circuit L Hot gas temperature sensor Pt500A M...

Page 77: ...tle to the extraction equipment Connect the extraction equipment to the refrigerant circuit via a manifold 04 Extract the refrigerant from all parts of the refriger ant circuit using the extraction eq...

Page 78: ...he heat pump in a clearly visible position containing the following information with date and signature Type of topped up refrigerant Amount of topped up refrigerant 7 Carry out the tightness test usi...

Page 79: ...seated correctly Seal diaphragm grommets A with adhesive tape if necessary A Fig 39 Checking sensors For temperature sensor connections to the controller and sensor PCB See page 73 For the position o...

Page 80: ...9 107 705 8 138 764 2 16 468 7 15 529 3 46 589 3 77 648 8 108 707 7 139 766 1 15 470 6 16 531 2 47 591 2 78 650 7 109 709 6 140 767 9 14 472 6 17 533 2 48 593 2 79 652 6 110 711 5 141 769 8 13 474 6...

Page 81: ...es to low pressure sensor and high pressure sen sor Pressure in MPa Pressure in mbar 0 4 8 12 16 20 0 0 5 1 1 5 2 2 5 3 3 5 Output current in mA 0 5 10 15 20 25 30 35 Fig 40 Maintenance Checking senso...

Page 82: ...82 Maintenance Checking sensors cont 5800 917 GB Maintenance...

Page 83: ...parts list Position number of the individual part within the assembly from this parts list A C B E D F Fig 41 A Type plate B Casing assembly C Electrical equipment assembly D Heat pump module assembly...

Page 84: ...84 0005 0019 0019 0017 0018 0020 0001 0004 0006 0011 0012 0014 0016 0014 0019 0003 0002 0003 0002 0013 0013 0018 0018 0008 0010 0009 0014 0007 0015 Fig 42 Parts lists Casing 5800 917 GB Components...

Page 85: ...6 Side panel right 0007 Top panel back 0008 Back panel 0009 Control unit panel 0010 Anti vibration mount 0011 Base plate 0012 Bottom panel 0013 Rail 0014 Cable cover set 0015 Top panel front 0016 Fron...

Page 86: ...86 0024 0055 0057 0049 0007 0054 0096 0027 0030 0008 0025 0056 0043 Fig 43 Parts lists Electrical equipment 5800 917 GB Components...

Page 87: ...al relay 0030 Mains terminal 5 pole 0043 Connecting cable compressor 0049 EEV sensor leads set 0054 Cable harness 230 V 0055 Transformer 0056 Cable harness low voltage 0057 Cable harness power supply...

Page 88: ...0008 0014 0020 0029 0015 0021 0026 0025 0024 0001 0009 0030 0030 0010 0012 0004 0013 0005 0007 0011 0026 0025 0024 0027 0019 0022 0018 0020 0003 0002 0032 0032 0018 0022 0019 0028 0024 0025 0026 0007...

Page 89: ...alve 0014 Refrigerant line condenser filter dryer 0015 Flow line primary circuit 0016 Refrigerant line suction gas 0017 Compressor fixing elements 4 pce 0018 Union nut for Schrader valve 0019 Schrader...

Page 90: ...90 0005 0013 0003 0003 0003 0002 0010 0005 0004 0007 0006 0006 0005 0004 0009 0001 0012 0002 0003 0001 0012 0005 0004 0001 0012 0004 0008 0006 0011 Fig 45 Parts lists Hydraulics 5800 917 GB Components...

Page 91: ...p 7 28 mm 0006 Threaded pipe clip 7 31 35 M 8 with EPDM lining 0007 Secondary circuit flow hose 0008 Secondary circuit return hose 0009 Primary circuit return hose brine outlet 0010 Primary circuit fl...

Page 92: ...92 0004 0003 0001 0002 Fig 46 Parts lists Miscellaneous 5800 917 GB Components...

Page 93: ...ilver 0002 Touch up spray paint Vitosilver 0003 Operating and service instructions Vitocal 300 G type BW 301 C17 0004 Installation and dismantling instructions Vitocal 300 G type BW 301 C17 Parts list...

Page 94: ...pressor rated voltage 3 N PE 400 V 50 Hz Compressor rated current A 15 9 Compressor starting current A 75 0 Starting current compressor with stalled armature A 102 0 Compressor fuse protection A C16 3...

Page 95: ...ondary circuit bar 3 MPa 0 3 Dimensions Total length mm 844 Total width mm 600 Total height mm 1155 Total weight kg 158 Connections male thread Primary circuit flow return G 1 Secondary circuit flow r...

Page 96: ...ther the waste treatment areas and the refrigerant bottles correspond to the relevant direc tives Provide calibrated scales to determine the amount of extracted refrigerant 01 Check the condition of t...

Page 97: ...97 4 Send the compressor back to the manufacturer Appendix Final decommissioning and disposal cont 5800 917 GB Service...

Page 98: ...ating manual operating and service instructions 1 7 4 1 General principles for drawing up operating manual 1 7 4 2 Contents of operating manual operating and service instructions All relevant fundamen...

Page 99: ...nt Directive 2014 68 EU Category II module A2 Commissioning is not permitted until it has been ascertained that where applicable the appliance into which the incomplete appliance detailed above is to...

Page 100: ...4 Compressor switching 66 Compressor travel 37 Condensation pressure 39 Condenser 89 Condensing temperature 37 38 Connecting cable EEV 40 Connecting cable to heat pump 71 Connections 95 Contactor 87 C...

Page 101: ...tion Compressor 94 Heat pump control unit 94 Fuses 94 Heat pump control unit 68 G Gas tightness 64 Global warming potential 94 H Handheld vapour tightness tester 66 Hardware index refrigerant circuit...

Page 102: ...64 Output compressor 53 Output default 33 Output integral 32 Overview Internal components 75 Messages 21 Oxygen free nitrogen 63 77 P Parameter 51 Parameter code 48 49 Parameter group 49 Communicatio...

Page 103: ...time 17 Language 17 Temperature unit 17 Setting level 10 Contractor 10 System user 10 Setting range 49 Settings 14 Setting wizard 49 Shut off valve 77 96 Side panel 85 Signal connections 71 Signal in...

Page 104: ...f work location 60 W Warning 12 20 Waste treatment area 77 96 Welding work 60 Wintertime 57 Wire ferrule 69 Wiring 62 Working environment 60 Applicability Serial No 7641608 Viessmann Limited Hortonwoo...

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