Nibe F1155 Service Manual
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Nibe F1155 Service Manual

Ground source heat pump
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Service manual
F1155
Ground source heat pump
SEM GB 1609-1
M11934

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Summary of Contents for Nibe F1155

  • Page 1 Service manual F1155 Ground source heat pump SEM GB 1609-1 M11934...

  • Page 2: Table Of Contents

    Main components Principle of operation Circuit board and electronics System diagram Temperature sensor 4 Cooling circuit 8 Technical data Outline diagram Electrical wiring diagram F1155 Compressor control Dimensions and setting-out coordinates Expansion valve Technical specifications 5 Component description Index Compressor (GQ10)

  • Page 3: Important Information

    1 Important information Marking Document information The CE marking means that NIBE ensures that the This technical manual is a complement to the Installer product meets all regulations that are placed on it handbook for F1155, containing: based on relevant EU directives. The CE mark is obligat- Description of functions and component description.
  • Page 4 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 5: The Heat Pump Design General

    AA4-XJ3 USB outlet (no function) AA4-XJ4 Service outlet (No function) EB 1 Immersion heater SF 1 Switch W130 Network cable for NIBE Uplink View from behind Miscellaneous PF 1 Type plate, serial no. PF 2 Type plate, cooling section UB 1...

  • Page 6: Electrical Cabinets

    Base card AA 3 Input circuit board AA23 Communication board FA 1 Miniature circuit-breaker FD 1 Temperature limiter/Emergency mode thermo- stat Designations in component locations according to standard IEC 81346-1 and 81346-2. Chapter 2 | The heat pump design F1155...

  • Page 7: Cooling Section

    QA 40 Inverter Cooling components EP 1 Evaporator EP 2 Condenser GQ 10 Compressor HS 1 Drying filter QN 1 Expansion valve Designations in component locations according to standard IEC 81346-1 and 81346-2. F1155 Chapter 2 | The heat pump design...

  • Page 8: System Description

    QM 31 Shut-off valve, heating medium flow QM 32 Shut off valve, heating medium return QM 33 Shut off valve, brine out QM 34 Shut-off valve, brine in QN 10 Shuttle valve, climate system/water heater Chapter 3 | System description F1155...
  • Page 9 Externally on the flow line to the heat- Calculation of DM. Actual value for ad- ing system. ditional shunt. BT50* Room sensor In suitable indoor location. Correction of the indoor temperature. * Externally mounted (not included in outline diagram). F1155 Chapter 3 | System description...
  • Page 10 Actual value for shunt valve, climate system system 8. EP27-BT3 Return line, extra climate On return line from extra climate sys- View system tem 8. AZ1-BT20 Exhaust air In exhaust air in FLM. View. Chapter 3 | System description F1155...
  • Page 11 Name Location Function AZ1-BT21 Extract air In extract air in FLM. Controls defrosting AZ1-BT26 Collector in On incoming collector line in FLM. View. AZ1-BT27 Collector out On outgoing collector line in FLM. View. F1155 Chapter 3 | System description...

  • Page 12: System Diagram

    QN10 switches to the heating system. The heat pump works to a calculated set point value on the supply line. If the compressor cannot meet the whole heating requirement, electric heat is shunted in as ne- cessary. More system principles are on www.nibe.eu. Refer to the Installer manual for description of possible docking alternatives.
  • Page 13 Brine side 16kW Max system pressure Min. flow (50 Hz) 0.13 0.36 Nominal flow (50 Hz) 0,18 0.51 Max. external available pressure at nominal flow (50 Hz) Max/min incoming temperature °C See diagram page 103. F1155 Chapter 3 | System description...

  • Page 14: Cooling Circuit Outline Diagram

    The function is blocked for 1 minute after switching > between charging type (HW, heating, pool). Return to free Working area control of the compressor < See diagram page 102. Chapter 4 | Cooling circuit F1155...

  • Page 15: Expansion Valve

    30 - 55 °C and brine in is -5 - +10 °C. Brine temperatures higher than +10 °C in combination with high compressor frequency (Hz) can cause greater overheating. F1155 superheat 6 kW 4 - 8 °C 16 kW 4 - 8 °C...

  • Page 16: Component Description

    Resistance range (Ω at 20 °C +/- 10 %) T1-T3[C-R] T1-T2[C-S] T2-T3[S-R] Rotation 0.72 0.72 0.72 3 x 400 V Size (kW) Type Resistance range (Ω at 20 °C +/- 10 %) T1-T3[C-R] T1-T2[C-S] T2-T3[S-R] Piston 5.19 5.19 5.19 Chapter 5 | Component description F1155...

  • Page 17: Other Components

    Actuator motor: 7 VA, 230/24 VAC, 50 Hz, IP 40. Running time approx 8 seconds Max. operating pressure: 1.0 MPa Operating temperature: 5 - 80 °C (90 °C briefly) F1255-6 F1255-16 Ø22 mm Ø28 mm Ø22 mm Ø28 mm F1155 Chapter 5 | Component description...
  • Page 18 UPM2 25-70. Operating voltage 1x230 V, max 63 W Control signal: PWM 0 - 10 V DC (max-min speed) Max flow: 5 m3/h Max lift height: 7 m. G 1 ⁄ ’’ 109,3 G 1 ⁄ ’’ 135,3 Chapter 5 | Component description F1155...
  • Page 19 G 1 ⁄ ’’ High pressure switch (BP1) Breaking value: 32 bar Reconnection differential: -7 bar Low pressure switch (BP2) Breaking value: 1.5 bar Reconnection differential: 1.5 bar Compressor heater Output (5-10): 30 W F1155 Chapter 5 | Component description...

  • Page 20: Sensors

    8.045 2.083 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 F1155...

  • Page 21: Electronics

    Continuous light during active output. Immersion Immersion 1255-6: Im- ange heater 1 kW heater 1 kW mersion heat- PWM2: Or- Continuous light during active output. er 3 kW on K5 ange 1255-16: Im- mersion heat- er 1/3 kW F1155 Chapter 5 | Component description...
  • Page 22 Irregular flashing indicates communica- Flashes tion with the inverter. Red, flash- Broken circuit on terminal block X4 green The inverter's power LED lights orange continuously when the inverter is powered. (Only applies to 16kW). Power-LED Status LED Chapter 5 | Component description F1155...
  • Page 23 Steady light when the GSM signal is OK. Out if the GSM signal is too low. COM2 Flashes during communication with the GSM modem. SYNC Flashes when SMS 40 sends/receives SMS. A steady light means that supply voltage is OK. F1155 Chapter 5 | Component description...

  • Page 24: Troubleshooting

    The input for the sensor re- All additions are blocked. New Defective sensor and its con- BT25 external ceives unreasonably high or actual value = BT71 + 10K nections. supply low value for longer than 2 seconds. Chapter 6 | Troubleshooting F1155...
  • Page 25 2 seconds. High pressure The high pressure switch has Compressor blocked. See fault-tracing schedule page alarm deployed 2 times within 150 minutes or has been deployed for 300 minutes continuously. F1155 Chapter 6 | Troubleshooting...
  • Page 26 BP2 is below its limit mode is selected to auto. value. For safety reasons, this generates a hardware stop- page. For NIBE inverter this alarm occurs at Address 0x1500, BIT 3 ■ Low temp brine The temperature of the outgo- Compressor blocked.
  • Page 27 - Check that the particle filter is 1 hour. not blocked. - Open any radiator / under- floor heating thermostats. ■ Poor position of inverter. - Check screws and paste. F1155 Chapter 6 | Troubleshooting...
  • Page 28 Main and group fuses and type II inverter has been too high their cable connections. ■ temporarily 3 times within 2 Internal compressor wiring, hours or missing continually Inverter. If OK, may be due to for 1 hour. compressor. Chapter 6 | Troubleshooting F1155...
  • Page 29 - Restart the heat pump by for 1 hour. Unused function switching it off via its switch (false alarm). and cut the current via the cir- cuit breaker for example. - Inverter replacement F1155 Chapter 6 | Troubleshooting...
  • Page 30 - Restart the heat pump by for 1 hour. Unused function switching it off via its switch (false alarm). and cut the current via the cir- cuit breaker for example. - Inverter replacement Chapter 6 | Troubleshooting F1155...
  • Page 31 ■ Com. fault invert- Communication fault with in- Only information Not documented (see F750) verter ■ The com- Only information No action pressor's phase has been over- loaded. F1155 Chapter 6 | Troubleshooting...
  • Page 32 If the fault occurs again, contact ser- vice. ■ Inverter alarm A temporary over voltage has The compressor is stopped. Main and group fuses and type I been registered by the invert- their cable connections. Chapter 6 | Troubleshooting F1155...
  • Page 33 ■ Inverter alarm compressor has run temporar- The compressor is stopped. Check main and group fuses type II ily at a lower speed than the and their cable connections. minimum permitted. F1155 Chapter 6 | Troubleshooting...
  • Page 34 III has occurred. Unused function and their cable connections. (false alarm). - Restart the heat pump by switching it off via its switch and cut the current via the cir- cuit breaker for example. Chapter 6 | Troubleshooting F1155...
  • Page 35 Additional heat is externally Additional heat is blocked Check any external connec- blocked via AUX input. tion functions. ■ Blocked Additional heat is externally Compressor is blocked Check any external connec- blocked via AUX input. tion functions. F1155 Chapter 6 | Troubleshooting...

  • Page 36: 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. Chapter 6 | Troubleshooting F1155...
  • Page 37 (W103) in the base card 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. F1155 Chapter 6 | Troubleshooting...
  • Page 38 Defective joint card (AA100). card (AA2)? Replace. (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 F1155...
  • Page 39 Alarm 20, 21, 26 – sensor fault Fault-tracing in NIBE FLM Is the actual sensor correctly Action. connected? Is the wiring connector (W4) on the joint card (AA100) correctly Action. connected? Is the wiring connector (W4) on the accessory card (AA5) correctly Action.
  • Page 40 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. Chapter 6 | Troubleshooting F1155...
  • Page 41 -QA40-X4? Does the pressure switch break at the Action. correct pressure? Are the supply temperature sensor (BT2 ) and return line sensor (BT3 ) Action. showing the correct readings? Check cooling circuit. F1155 Chapter 6 | Troubleshooting...
  • Page 42 Is the pressure switch Action. correctly connected? Does the pressure switch Action. break at the correct pressure? Action. Is the refrigerant circuit intact? Lack of heating medium or other fault in the cooling circuit. Check cooling circuit. Chapter 6 | Troubleshooting F1155...
  • Page 43 Can the overheat protection be reset when the temperature is Replace overheating protection. below 80 °C? Is the heating medium flow across Action. the heat pump correct? Check the relay function for the immersion heater. F1155 Chapter 6 | Troubleshooting...
  • Page 44 Is the low pressure switch Action. correctly connected? Are the brine in (BT10) and brine Action. out (BT11) sensors showing the correct reading? Lack of refrigerant or other fault in the cooling circuit. Check cooling circuit. Chapter 6 | Troubleshooting F1155...
  • Page 45 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). F1155 Chapter 6 | Troubleshooting...
  • Page 46 Action. board (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). Chapter 6 | Troubleshooting F1155...
  • Page 47 - that miniature circuit-breaker FA1 has not tripped. Replace the accessory card (AA5). Has the fault been corrected? Replace the input circuit board (AA3). Has the fault been corrected? Replace the display card (AA4). F1155 Chapter 6 | Troubleshooting...
  • Page 48 Is the P W R LED on communication board AA23 Replace base board, AA2. green? Is the I N V LED on Replace communication communication board AA23 board, AA23. green? Replace inverter (QN40)? Chapter 6 | Troubleshooting F1155...

  • Page 49: Function Check, Relays/Components

    Immersion Immersion 1255-6: Im- Output Function heater 1 kW heater 2 kW mersion heat- er 1kW EP23-AA5-K2 Mixing valve, close 1255-16: Im- EP23-AA5-K3 Mixing valve, open mersion heat- er 2 kW EP23-AA5-K4 External circulation pump F1155 Chapter 6 | Troubleshooting...
  • Page 50 External circulation pump Pool 1 (POOL 40) Output Function CL11-A5-K1 External circulation pump CL11-A5-K3 Pool reversing valve CL11-A5-K4 Pool pump Pool 2 (POOL 40) Output Function CL12-A5-K1 External circulation pump CL12-A5-K3 Pool reversing valve CL12-A5-K4 Pool pump Chapter 6 | Troubleshooting F1155...
  • Page 51 100 % approx 0 V DC Not lit EQ1-AA5-K1 Circulation pump cooling (GP13) 50 % approx 5 V DC Half lit EQ1-AA5-K2 Mixing valve (QN18), close approx 10 V DC EQ1-AA5-K3 Mixing valve (QN18), open F1155 Chapter 6 | Troubleshooting...

  • Page 52: Component Replacement

    Cut the current with the circuit breaker before Caution carrying out any servicing. Drain the cooling module according to IHB to F1155 can contain liquids at high temperature facilitate lifting. and under high pressure. When replacing components on F1155 only Caution replacement parts from NIBE may be used.
  • Page 53 Disconnect the connector (C) from the immersion heater circuit board (AA1) using a screwdriver. Disconnect the connector (D) from the joint circuit board (AA100). Carefully pull out the cooling module. The cooling module is installed in reverse or- der. F1155 Chapter 7 | Component replacement...
  • Page 54 Removing the cover, input circuit board 1. Unscrew the screws and angle out the cover. 2. Unscrew the screws and angle out the cover. 2. Pull off the cover. 3. Pull off the cover. Chapter 7 | Component replacement F1155...

  • Page 55: Main Components

    52. 3 Slacken off 12 screws. 4 Remove the cover on the cooling module. 5 Slacken off 8 screws. 6 Remove the right/rear side panel on the cooling mod- ule. F1155 Chapter 7 | Component replacement...
  • Page 56 7 Slacken off 7 screws. 8 Remove the left/rear side panel on the cooling mod- ule. 9 Unscrew the ground cable. 10 Disconnect the com- Ground cable pressor supply cables. Supply Chapter 7 | Component replacement F1155...
  • Page 57 12 Drain the cooling circuit and ensure that no refriger- Discharge ant remains before you con- tinue. 13 Disconnect the pipes for suction gas and hot gas. 14 Remove the compressor. Suction gas F1155 Chapter 7 | Component replacement...
  • Page 58 52. 3 Slacken off 12 screws. 4 Remove the cover on the cooling module. 5 Slacken off 8 screws. 6 Remove the right/rear side panel on the cooling mod- ule. Chapter 7 | Component replacement F1155...
  • Page 59 7 Drain the cooling circuit and ensure that no refriger- Bulb ant remains before you con- tinue. 8 Slacken off the bulb for the expansion valve. 9 Disconnect the pipes and remove the valve. Expansion valve (QN1) F1155 Chapter 7 | Component replacement...
  • Page 60 2 Remove the electrical con- nection from its mountings using a screwdriver and pull out the electrical connector. Mountings Screwdriver ( E C S 4041) 3 Disconnect the two cables through the cover in front of (AA2). Cable Chapter 7 | Component replacement F1155...
  • Page 61 3 brown cables from the ter- minal block X3 and X7 on (AA1). 7 Pull out the two bulbs from the immersion heater. 8 Disconnect the immersion heater at the marked coup- lings. 9 Remove the immersion heater. Connections F1155 Chapter 7 | Component replacement...
  • Page 62 Reversing valve (QN10) 1 Drain the heating medium system. 2 Remove the plastic cap over (AA1) using a screw- driver. 3 Remove the insulation. Chapter 7 | Component replacement F1155...
  • Page 63 4 Remove the switch on the actuator. Contact 5 Remove the pin and re- move the actuator. 6 Disconnect and remove the three way valve. Connections F1155 Chapter 7 | Component replacement...
  • Page 64 5 Drain the heating circuit by Screw 6 Remove the electric switch on the circulation pump. 7 Remove the switch for the control cable on the joint board. AA100 8 Disconnect and remove the circulation pump. Electrical connections Connections Chapter 7 | Component replacement F1155...
  • Page 65 5 Remove the electric switch on the circulation pump. 6 Remove the switch for the control cable on the joint board. AA100. 7 Disconnect and remove the circulation pump. Electrical switch Connections Electrical switch F1155 Chapter 7 | Component replacement...

  • Page 66: Circuit Board And Electronics

    Immersion heater card (AA1) 1 Remove the plastic cover Screw over the electronics box. Cable 2 Disconnect the cables and screws holding the card in position. Screw 3 Remove the immersion heater card (.AA1). Chapter 7 | Component replacement F1155...
  • Page 67 2 Remove the plastic cover over the electronics box. Cable 3 Disconnect the cables and screws holding the card in position. 4 Remove the base card (AA2). Screw F1155 Chapter 7 | Component replacement...
  • Page 68 Input circuit board (AA3) 1 Remove the plastic cover over (AA3. See page 54. 2 Disconnect the cables and screws holding the card in position. 3 Remove the input card (AA3). Screw Chapter 7 | Component replacement F1155...
  • Page 69 Ethernet connection at the lower edge of the display unit. 2 Press the catch on the up- per rear side of the display unit towards you. 3 Remove the display unit. Electrical connections F1155 Chapter 7 | Component replacement...
  • Page 70 ?? 2 Slacken off 12 screws. 3 Remove the top cover from the cooling module. 4 Slacken off 9 screws. 5 Remove the left/rear side panel on the cooling mod- ule. Chapter 7 | Component replacement F1155...
  • Page 71 13 Remove the inverter, 4 screws, and check that the paste has smoothed out the irregularities, if not, add more paste. 14 Reinstall the inverter, 4 screws. 15 Wipe off any excess paste. F1155 Chapter 7 | Component replacement...

  • Page 72: Temperature Sensor

    18 Install the modular cable (communication) to terminal block X3. Temperature sensor Mounting Install the temperature sensor with cable ties with the heat conducting paste and aluminium tape. Then insulate with supplied insulation tape. Chapter 7 | Component replacement F1155...

  • Page 73: Technical Data

    8 Technical data Electrical wiring diagram F1155 1x230V F1155-6/F1255-6 F1155 Chapter 8 | Technical data...
  • Page 74 Chapter 8 | Technical data F1155...
  • Page 75 F1155 Chapter 8 | Technical data...
  • Page 76 Chapter 8 | Technical data F1155...
  • Page 77 F1155 Chapter 8 | Technical data...
  • Page 78 Chapter 8 | Technical data F1155...
  • Page 79 3x230V F1155-6/F1255-6 F1155 Chapter 8 | Technical data...
  • Page 80 Chapter 8 | Technical data F1155...
  • Page 81 F1155 Chapter 8 | Technical data...
  • Page 82 Chapter 8 | Technical data F1155...
  • Page 83 F1155 Chapter 8 | Technical data...
  • Page 84 Chapter 8 | Technical data F1155...
  • Page 85 3x400V F1155-6/F1255-6 F1155 Chapter 8 | Technical data...
  • Page 86 Chapter 8 | Technical data F1155...
  • Page 87 F1155 Chapter 8 | Technical data...
  • Page 88 Chapter 8 | Technical data F1155...
  • Page 89 F1155 Chapter 8 | Technical data...
  • Page 90 Chapter 8 | Technical data F1155...
  • Page 91 3x400V F1155-16/F1255-16 F1155 Chapter 8 | Technical data...
  • Page 92 Chapter 8 | Technical data F1155...
  • Page 93 F1155 Chapter 8 | Technical data...
  • Page 94 Chapter 8 | Technical data F1155...
  • Page 95 F1155 Chapter 8 | Technical data...
  • Page 96 Chapter 8 | Technical data F1155...

  • Page 97: Dimensions And Setting-Out Coordinates

    Dimensions and setting-out coordinates * This dimension applies at 90° angle on the brine pipes (side connection). The dimension can vary approx. ±100 mm in height as the brine pipes partially consist of flexible pipes. F1155 Chapter 8 | Technical data...

  • Page 98: Technical Specifications

    Technical specifications IP 21 1x230V F1155-6 Electrical data Rated voltage 230V ~ 50Hz Max operating current including 0 – 0.5 kW immersion heater (Recommended 15(16) fuse rating). Max operating current including 1 – 1.5 kW immersion heater (Recommended 20(20) fuse rating).
  • Page 99 F1155-16 Max operating current including 5 – 7 kW immersion heater (Recommended 21(25) fuse rating). Max operating current including 9 kW immersion heater, requires reconnection 24(25) (Recommended fuse rating). Additional power 1/2/3/4/5/6/7 (switchable to 2/4/6/9) Short circuit power (Ssc) This equipment meets IEC 61000-3-12 on the condition that short circuit power Ssc is greater than or equal to 2.0 MVA at the connection point between the customer installation electrical supply and the mains network.
  • Page 100 1x230V, 3x230V and 3x400V F1155– 6 F1155–16 Output data at nom flow(50 Hz) Refers to performance of heat pump excl. circulation pumps 0/35 Rated output 3.27 9.27 Electrical output 0.66 1.81 4.97 5.12 0/50 Rated output 2.92 8.95 Electrical output 0.85...
  • Page 101 Part no., 3x230V, with energy meter 065 315 Part no., 3x400V, with energy meter 065 275 065 260 Part number, 3x400V 065 294 065 295 With the feet removed the height is approx 1650 mm for F1155-6 and F1155-16. F1155 Chapter 8 | Technical data...
  • Page 102 Specified heating output, kW This diagram shows the working range below 75 % for F1155-6 and the entire working range for F1155-16. Arbetsområde under 75% för F1155-1255 6kW och för hela arbetsområdet 16 kW. 100% °C Arbetsområde under 75% för F1155-1255 6kW och för hela arbetsområdet 16 kW.
  • Page 103 Framledningstemp. Värmebärare 50 °C för F1155-1255 -6 kW. Angiven värmeeffekt 100% Cooling mode Supply temperature, heating medium 50 °C Framledningstemp. Värmebärare 35 °C för F1155-1255 -6 kW. F1155-6 Framledningstemp. Värmebärare 50 °C för F1155-1255 -6 kW. Caution Angiven värmeeffekt Angiven värmeeffekt...

  • Page 104: Index

    Function check, circulation pumps, 51 Removing the hatch, input circuit board, 54 Electronics, 21 Accessory card (AA5), 23 Working area, 14 Working range heat pump, 102 Base card (AA2), 21 Extra relay circuit board (AA7), 22 Chapter 9 | Item register F1155...
  • Page 108 WS name: -Gemensamt WS version: a165 (working edition) Publish date: 2016-03-17 08:04 NIBE AB Sweden Hannabadsvägen 5 Box 14 SE-285 21 Markaryd info@nibe.se www.nibe.eu...

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