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Nibe VVM 500 Service Manual

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Service manual
NIBE™ VVM 500
Indoor module
SEM GB 1514-2
M11495

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Summary of Contents for Nibe VVM 500

  • Page 1 Service manual NIBE™ VVM 500 Indoor module SEM GB 1514-2 M11495...

  • Page 3: Table Of Contents

    Circuit board and electronics 3 System description 8 Technical data Principle of operation Dimensions and setting-out coordinates System diagram Technical specifications 4 Current circuit Hot water capacity Load monitor Index 5 Component description Components NIBE™ VVM 500 Table of Contents |...

  • Page 4: Important Information

    ■ Wiring diagram. ■ Supplementary technical information. ■ The document applies to VVM 500 with software ver- sions up to and including v4272R5. The heat pump software version can be found in the info menu (menu 3.1). Safety information This manual describes installation and service proced- ures for implementation by specialists.
  • Page 5 The serial number can be found at the bottom right of the front cover and in the info menu (menu 3.1). Serial number Caution Always give the product's serial number (14 digits) when reporting a fault. NIBE™ VVM 500 Chapter 1 | Important information...
  • Page 6 NIBE Energy Systems France Sarl, Zone industrielle RD 28, Rue du Pou du Ciel, 01600 Reyrieux Tel : 04 74 00 92 92 Fax : 04 74 00 42 00 E-mail: info@nibe.fr www.nibe.fr NIBE Energy Systems Ltd, 3C Broom Business Park, Bridge Way, Chesterfield S41 9QG Tel: 0845 095 1200 Fax: 0845 095 1201 E-mail: info@nibe.co.uk www.nibe.co.uk...

  • Page 7: Indoor Module's Design

    2 Indoor module's design VVM 500 QM20 GP12 W130 XL39 QN10 AA4-XJ3 VVM 500 AA4-XJ4 BT63 XL18 QN11 XL19 XL13 BT54 XL14 QN35 XL14 XL39 QM20 XL18 XL19 XL13 NIBE™ VVM 500 Chapter 2 | Indoor module's design...

  • Page 8: Pipe Connections

    AA 4 Display unit AA4-XJ3 USB socket AA4-XJ4 Service socket AA 7 Extra relay circuit board EB 1 Immersion heater FA 1 Miniature circuit-breaker FD 1 Temperature limiter SF 1 Switch Chapter 2 | Indoor module's design NIBE™ VVM 500...

  • Page 9: System Description Principle Of Operation

    Shuttle valve, climate system/water heater, re- turn line Sensors Temperature sensors, heating medium flow Temperature sensors, heating medium return Temperature sensor, hot water, control Temperature sensor, hot water, display BT54 Temperature sensor, solar coil NIBE™ VVM 500 Chapter 3 | System description...

  • Page 10: System Diagram

    EB 100 F20XX/F2300 QN 11 Shunt valve EM 1 Oil, gas, or electric boiler QN 19 Three way valve, pool EP 5 Exchanger, pool RM X Non-return valve EP 8 Solar panel Chapter 3 | System description NIBE™ VVM 500...

  • Page 11: Current Circuit Load Monitor

    4 Current circuit Load monitor NOTE VVM 500 must be filled with water before the The current sensors are connected to AA3-X4:1-4. phase sequence is detected. Function: For the heat pump to disconnect the electrical output If any of the internal phases exceed the set value and ■...

  • Page 12: Component Description

    Actuator motor: 7 VA, 230/24 VAC, 50 Hz, IP 40. Running time approx 8 sec. (QN10, QN35) Max. operating pressure: 1.0 MPa Operating temperature: 5 - 80 °C (90 °C briefly) Ø28 Ø28 Chapter 5 | Component description NIBE™ VVM 500...
  • Page 13 GP1 to 2014-04 Cable, black: LIYWYW 2x0,35mm² 140,2±3 250 ± 15 Ø86,7 (from grommet). 112,2±2 Cable, black: H03V2V2-F 3G 0,5mm² GP1 from and including 2014-04 ± ± ± ( 43,5) G 1" ( 84) NIBE™ VVM 500 Chapter 5 | Component description...

  • Page 14: Sensors

    6.514 1.916 5.306 1.752 4.348 1.587 3.583 1.426 2.968 1.278 2.467 1.136 2.068 1.007 1.739 0.891 1.469 0.785 1.246 0.691 1.061 0.607 0.908 0.533 0.779 0.469 0.672 0.414 0.380 0.250 0.180 0.120 Chapter 5 | Component description NIBE™ VVM 500...

  • Page 15: Electronics

    Outputs Output Function Lights yellow Emergency mode activated PWM1 Control signal HM pump (GP1) Lights red Alarm tripped PWM2 Control signal charge pump (GP12) Reversing valve (QN10). Charge pump (GP12). Circ-pump (GP1). NIBE™ VVM 500 Chapter 5 | Component description...
  • Page 16 Extra relay circuit board (AA7) Indication K1 - K3: Or- A steady light means that the relevant ange relay is engaged. Output Function Shunt valve close (QN11) Shunt valve open (QN11) Reversing valve (QN35) Chapter 5 | Component description NIBE™ VVM 500...

  • Page 17: Troubleshooting

    EP21 - BT2 (EP21-BT3) (supply temperature sensor, extra climate system 1) Sensor fault Sensor not connected/defect- Controls the return sensor See fault-tracing schedule page EP22 - BT2 (EP22-BT3) (supply temperature sensor, extra climate system 2) NIBE™ VVM 500 Chapter 6 | Troubleshooting...
  • Page 18 - Check the communication fault ACC EB1. cessory card missing for 15 additional heat. cables. secs. - Check settings on the dipswitch. High pressure See relevant manual. Compressor blocked. See relevant manual. alarm. Chapter 6 | Troubleshooting NIBE™ VVM 500...
  • Page 19 This alarm is inverter error, com (E45) Compressor blocked. See relevant manual. generated by the heat pump This alarm is inverter fault, pcb (E46) Compressor blocked. See relevant manual. generated by the heat pump NIBE™ VVM 500 Chapter 6 | Troubleshooting...
  • Page 20 Sensor fault detected on the Compressor blocked. See relevant manual. EB101-BT12 slave Off Com-interface MHI- EMMY Sensor fault on Sensor fault detected on the Compressor blocked. See relevant manual. EB101-BT15 slave Off Com-interface MHI- EMMY Chapter 6 | Troubleshooting NIBE™ VVM 500...
  • Page 21 See alarm 71. Com. error heating Temporary communication fault. system2 See alarm 73. Com. error heating Temporary communication fault. system3 See alarm 74. Com. error heating Temporary communication fault. system4 See alarm 76. NIBE™ VVM 500 Chapter 6 | Troubleshooting...
  • Page 22 Temporary communication fault. See alarm 100. Inverter alarm Inverter indicates alarm See alarm log menu 3.4 for error code . Inverter errors Inverter indicates error See alarm log menu 3.4 for error code . Chapter 6 | Troubleshooting NIBE™ VVM 500...
  • Page 23 Sensor fault EQ1-BT25. Resets automat- CoolingDM cal- Sensor EQ1-BT25 not connected, ically when the culated with defective. sensor has EQ1-BT25 set to worked continu- ously for 60 s. NIBE™ VVM 500 Chapter 6 | Troubleshooting...
  • Page 24 Status AUX-in al blocked input The compressor is ex- The compressor None Status AUX-in ternally blocked is externally blocked Starts Display has re- The dis- The display/product has restarted started play/product has restarted Chapter 6 | Troubleshooting NIBE™ VVM 500...

  • Page 25: Troubleshooting Guide

    (AA3)?JSH (See "Data for temperature sensor" section.) Is the output voltage from the card Check wiring and switches. correct? (See "Data for temperature sensor" section.) Defective input circuit board (AA3). Replace. NIBE™ VVM 500 Chapter 6 | Troubleshooting...
  • Page 26 Check wiring and switches. (AA2)? (See the "Wiring diagram" section.) Is the output voltage from the card Check wiring and switches. correct? (See "Data for temperature sensor" section.) Defective base card (AA2). Replace. Chapter 6 | Troubleshooting NIBE™ VVM 500...
  • Page 27 Check wiring and switches. (AA5)? (See "Temperature sensor" section.) Is the output voltage from the card Check wiring and switches. correct? (See "Data for temperature sensor" section.) Defective accessory card (AA5). Replace. NIBE™ VVM 500 Chapter 6 | Troubleshooting...
  • Page 28 Is the wiring connector (W105) correctly connected on input circuit Action. board (AA3-X2) and on the display card (AA4-X8)? Replace the input circuit board (AA3). Has the fault been corrected? Replace the display card (AA4). Chapter 6 | Troubleshooting NIBE™ VVM 500...
  • Page 29 (AA3-X2) and on the display card (AA4-X8)? Replace the base card (AA2). Has the fault been corrected? Replace the input circuit board (AA3). Has the fault been corrected? Replace the display card (AA4). NIBE™ VVM 500 Chapter 6 | Troubleshooting...

  • Page 30: Function Check, Components

    EB1/2.67 kW EP8-AA5-K1 Circulation pumps GP4-GP15 AA1-K6 EB1/1.33 kW EP8-AA5-K2 Solar panel cooling AA1-K7 EB1/2.67 kW EP8-AA5-K3 Circulation pump GP14 / cooling to pool. AA1-K8 EB1/1.33 kW EP8-AA5-K4 Not used AA1-K9 EB1/2.67 kW Chapter 6 | Troubleshooting NIBE™ VVM 500...
  • Page 31 Charge pump (GP12) Pump speed PVM2, X2:3-4 LED PWM2 on GP12 Card AA2 100 % approx 0 V DC Not lit 50 % approx 5 V DC Half lit approx 10 V DC NIBE™ VVM 500 Chapter 6 | Troubleshooting...

  • Page 32: Component Replacement

    5. Pull the hatch forwards. Accessibility, electrical connection The plastic cap of the electrical boxes is opened using a screwdriver. NOTE The cover for the input card is opened without a tool. Chapter 7 | Component replacement NIBE™ VVM 500...
  • Page 33 Removing the cover, input circuit board VVM 500 1. Push the catch down. 2. Angle out the cover and remove it. Removing the cover, immersion heater circuit board VVM 500 NIBE™ VVM 500 Chapter 7 | Component replacement...
  • Page 34 To remove the cover for the base board, the cover for the input circuit board must first be removed. VVM 500 1. Insert the screwdriver (A) and pry the catch carefully downwards (B). 2. Angle out the cover and remove it. Chapter 7 | Component replacement NIBE™ VVM 500...
  • Page 35 Cable lock Use a suitable tool to release/lock cables in the indoor module terminal blocks. NIBE™ VVM 500 Chapter 7 | Component replacement...

  • Page 36: Main Components

    4 Drain the water by open- QM20 ing the drain valve (QM1) and allow air to enter via the vents (QM20) until the level is below the reversing valve (QN10). Drain valve (QM1) Chapter 7 | Component replacement NIBE™ VVM 500...
  • Page 37 5 Remove the plastic cover above (AA1) using a screw- driver. 6 Cut off the two cable ties and remove the insulation from in front of the immer- sion heater. NIBE™ VVM 500 Chapter 7 | Component replacement...
  • Page 38 AA1:X7 9 Disconnect the immersion Vent connection heater at the marked coup- lings. 10 Remove the box for the Compression ring immersion heater circuit coupling board (AA1). 11 Remove the immersion heater. Chapter 7 | Component replacement NIBE™ VVM 500...
  • Page 39 1 Set the switch (SF2) to "stand by" mode and wait approx. 30 secs 2 Turn off the power supply to VVM 500 and EB 101. 3 Drain the water by open- ing the drain valve (QM1) and allow air in via the vent...
  • Page 40 4 Remove the switch on the actuator. 5 Remove the actuator by pressing in the button and turning anticlockwise. QN11 Contact Button Chapter 7 | Component replacement NIBE™ VVM 500...
  • Page 41 4 Drain the water by open- QM20 ing the drain valve (QM1) and allow air to enter via the vents (QM20) until the level is below the part to be re- placed. QN10 QN11 QM35 NIBE™ VVM 500 Chapter 7 | Component replacement...
  • Page 42 5 Remove the switch on the actuator. Contact 6 Remove the pin and re- move the actuator. 7 Disconnect and remove the reversing valve. Connections Chapter 7 | Component replacement NIBE™ VVM 500...
  • Page 43 8 At reassembly, the actuator can be used if the valve needs turning the right way. Actuator NIBE™ VVM 500 Chapter 7 | Component replacement...
  • Page 44 1 Set the switch (SF2) to "stand by" mode and wait approx. 30 secs 2 Cut the power supply to VVM 500 and EB 101. 3 Drain the water by open- QM20 ing the drain valve (QM1) and allow air in via the vent (QM20) until VVM 500 is empty.
  • Page 45 4 Circulation pumps GP1 and GP12 GP12 5 Disconnect the cables and connections on the circula- tion pump GP1. Connections Cables NIBE™ VVM 500 Chapter 7 | Component replacement...
  • Page 46 6 Disconnect the cables and connections on the circula- tion pump GP12. Connections Cables Chapter 7 | Component replacement NIBE™ VVM 500...

  • Page 47: Circuit Board And Electronics

    During all the work on circuit boards and electronics ensure that the components are not damaged by electro static discharge (ESD). Immersion heater card (AA1) 1 Remove the plastic cover over (AA1). See instructions in IHB. 2 Remove the screw and connect cables. Screw NIBE™ VVM 500 Chapter 7 | Component replacement...
  • Page 48 IHB. 3 Remove the screw and connect cables. Screw Input circuit board (AA3) 1 Remove the plastic cover over (AA3). See instructions in IHB. 2 Remove the screw and connect cables. Screw Chapter 7 | Component replacement NIBE™ VVM 500...
  • Page 49 Catch 2 Press the catch on the up- per rear side of the display unit. 3 Slide the display unit up until it releases from the mounting. Electrical Network cable switch NIBE™ VVM 500 Chapter 7 | Component replacement...

  • Page 50: Technical Data

    8 Technical data Dimensions and setting-out coordinates 25-50 Chapter 8 | Technical data NIBE™ VVM 500...

  • Page 51: Technical Specifications

    Tap volume 40 °C at Normal comfort Tap volume 40 °C at Lux comfort Idle loss according to DIN 4753-8. Dimensions and weight Width Depth Height 1900 Required ceiling height 2000 Weight (excl packaging) NIBE™ VVM 500 Chapter 8 | Technical data...
  • Page 52 Miscellaneous Part no. 069 400 RSK No. 624 23 28 Applies with an outdoor air heat pump at 7/45 °C (outdoor temperature/flow line temperature) Chapter 8 | Technical data NIBE™ VVM 500...

  • Page 53: Hot Water Capacity

    Hot water capacity Capacity circulation pump Tap flow Hot water capacity VVM 500 (l/min) (l/min) Normal Economy Flow (litres) NIBE™ VVM 500 Chapter 8 | Technical data...

  • Page 54: Index

    Temperature sensor data, 12 The heat pump design, 5 Hot water capacity, 51 Troubleshooting, 15 Alarm list, 15 Function check, components, 28 Important information, 2 Troubleshooting guide, 23 Document information, 2 Troubleshooting guide, 23 Chapter 9 | Item register NIBE™ VVM 500...
  • Page 56 NIBE AB Sweden Hannabadsvägen 5 Box 14 SE-285 21 Markaryd info@nibe.se www.nibe.eu...

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