Nibe AMS10 Technical Manual
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Nibe AMS10 Technical Manual

Air/water heat pump
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TEM EN 1821-2
431568
Air/water heat pump
NIBE AMS10
TECHNICAL MANUAL

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Summary of Contents for Nibe AMS10

  • Page 1 TEM EN 1821-2 TECHNICAL MANUAL 431568 Air/water heat pump NIBE AMS10...

  • Page 3: Table Of Contents

    Temperature and low pressure sensor Drain pan heater Pump down function 5 Component description Compressor (GQ10) 4-way valve Circuit board Expansion valve Low pressure transmitter 6 Troubleshooting Alarm list Troubleshooting guide DIP switches, AMS 10 NIBE AMS10 Table of Contents...

  • Page 4: Important Information

    1 Important information System solution AMS 10 is intended for installation with NIBE SPLIT Box HBS 05 and indoor module VVM or control module SMO. Or with ACVM 270(Does not apply to AMS 10-6) for a complete system solution. Safety information This manual describes installation and service proced- ures for implementation by specialists.

  • Page 5: The Heat Pump Design

    2 The heat pump design Component locations AMS 10-6 (EZ101) PWB1 FM01 GQ10 XL53 XL52 EB11 QM36 QM37 XL20 NIBE AMS10 Chapter 2 | The heat pump design...

  • Page 6: Component Locations Ams 10-8 (Ez101)

    Component locations AMS 10-8 (EZ101) PWB1 PWB2 PWB3 XL20 63H1 FM01 EEV-H EEV-C GQ10 XL53 QM36 XL52 EB11 QM37 EB10 XL20 Chapter 2 | The heat pump design NIBE AMS10...

  • Page 7: Component Locations Ams 10-12 (Ez101)

    Component locations AMS 10-12 (EZ101) PWB3 PWB1 PWB2 63H1 FM01 XL20 EEV-C QM36 QM37 EB11 XL53 EEV-H XL52 GQ10 EB10 NIBE AMS10 Chapter 2 | The heat pump design...

  • Page 8: Component Locations Ams 10-16 (Ez101)

    Component locations AMS 10-16 (EZ101) FM01 PWB3 PWB1 PWB2 63H1 EEV-C XL20 QM36 QM37 XL52 XL53 EEV-H EB11 FM02 EB10 GQ10 Chapter 2 | The heat pump design NIBE AMS10...

  • Page 9: List Of Components Ams 10 (Ez101)

    Compressor heater Evaporator GQ10 (CM) Compressor QN1 (EEV-H) Expansion valve, heating QN2(20S) 4-way valve QN3 (EEV-C) Expansion valve, cooling MISCELLANEOUS Serial number plate Designations in component locations according to standard IEC 81346-2. NIBE AMS10 Chapter 2 | The heat pump design...

  • Page 10: Electrical Panel

    AMS 10-8 Electrical panel PWB1 COMPONENT LOCATIONAMS 10 PWB2 AMS 10-6 PWB3 PWB1 Cable holder Cable holder Chapter 2 | The heat pump design NIBE AMS10...
  • Page 11 Drain pan heater Fuse FM01 Fan motor PWB1 Control board PWB2 Inverter board PWB3 Filter board Terminal block, incoming supply and communica- tion Designations in component locations according to standard IEC 81346-2. NIBE AMS10 Chapter 2 | The heat pump design...

  • Page 12: Sensor Placement

    Sensor placement POSITIONING THE TEMPERATURE SENSOR Outdoor moduleAMS 10-6 BT28 Incoming supply GQ10 EEV-H Outdoor moduleAMS 10-8/ AMS 10-12 BT28 Incoming supply Tho-A GQ10 EEV-H EEV-C Chapter 2 | The heat pump design NIBE AMS10...
  • Page 13 Compressor QN1 (EEV-H) Expansion valve, heating QN2 (20S) 4-way valve QN3 (EEV-C) Expansion valve, cooling Tho-D Hot gas sensor Tho-R1 Evaporator sensor, out Tho-R2 Evaporator sensor, in Tho-S Suction gas sensor NIBE AMS10 Chapter 2 | The heat pump design...
  • Page 14 Tho-A, R Tho-S, Tho-R1, Tho-R2 Resistance Resistance Resitans Resitans (kΩ) (kΩ) (kΩ) (kΩ) Temperature Temperatur Temperature Temperatur (°C) (°C) (°C) (°C) Tho-A (BT28) Resistance Resitans (kΩ) (kΩ) Temperature Temperatur (°C) (°C) Chapter 2 | The heat pump design NIBE AMS10...

  • Page 15: System Description General

    External circulation pump must be used when the pressure drop in the system is greater than the available external pressure. In such cases, a bypass line with a non-return valve must also be installed. A bypass valve must be used if min. system flow cannot be guaranteed. NIBE AMS10 Chapter 3 | System description...

  • Page 16: Description Of Functions Compressor Operation

    10-8 (rps) 10-12/-16 (rps) A rps Cooling mode Heating mode Normal Min speed during high condensing in heating mode: (°C) Lowest compressor speed during heating operation Outdoor temperature changes according to following table: Chapter 4 | Description of functions NIBE AMS10...
  • Page 17 30 minutes in order to prevent oil being drained from the compressor. During the waiting period, the text "protection" or "pro- tection mode" may be presented in the indoor module’s display (does not apply to AMS 10-6). NIBE AMS10 Chapter 4 | Description of functions...

  • Page 18: Fan Speed

    (Tho-R1, -R2), the highest one, is within a certain range. *The compressor speed is locked at A rps for B minutes after start-up. Sensor temperature Tho-R Fan speed Below 30 °C Reduction by 10 rpm Chapter 4 | Description of functions NIBE AMS10...

  • Page 19: Expansion Valves (Eev)

    R2), whichever is the highest, is within a certain range. (Tho-A) - (Tho-R) Fan speed Less than 3 °C Reduction by 10 rpm Between 3 °C and 6 °C Maintains the speed Above 6 °C Increase by 10 rpm NIBE AMS10 Chapter 4 | Description of functions...

  • Page 20: Defrosting

    • b) The temperature sensor Tho-R (BT28) has been lower than -5 °C for three minutes. • c) The temperature sensor Tho-R minus Tho-R is greater than or equal to 7 °C. Defrosting range Condition AMS10-6 Heat exchanger temperature Tho-R Värmeväxlartemperaturen Tho-R (°C) (°C)
  • Page 21 1 minute to prevent low pressure. • The target speed for the compressor is then set to B rps, the acceleration is 2 rps/10 seconds for AMS10- 12 if the low pressure is greater than 0.53 MPa (-7 °C).
  • Page 22 • When the evaporation temperature Tho-R1 or -R2 (whichever is the lowest) is higher than 10 °C. • The outdoor unit goes into protection mode. Defrosting diagram AMS10-6 Defrost timing chart (AMS10-6) Compr. speed Upper limit 55rps 20rps (Tho-A ≥ 0°C) 1rps / 10s 12rps (Tho-A <...
  • Page 23 Defrosting diagram AMS10-8 Defrost timing chart (AMS10-8) 56rps 2rps / 5s Compr. speed Allowed when condition 25 rps meets Compr. stopped EEVH SH control SH control Fully closed SC control 500 pulses Suction SH+ target LP control EEVC 4-way valve Defrost end SH≤...
  • Page 24 Defrosting diagram AMS10-12/16 66rps 2rps / 5s Compr. speed 30 rps Allowed when condition meets 20 rps Compr. stopped EEVH SH control SH control Fully closed SC control Suction SH+ target LP control 500 pulses EEVC Compr. speed ≤ 55rps...

  • Page 25: Oil Return

    The function stops: • When overheating is less than 5 K, and more than 50 seconds have passed since the four way valve shifted. NIBE AMS10 Chapter 4 | Description of functions...

  • Page 26: Compressor Protection

    The speed of the compressor decreases by 4 rps every 30 seconds when the liquid line sensor (BT15) or con- densing temperature (BP4) is 60 °C, at the same time as the high pressure switch is deployed. Chapter 4 | Description of functions NIBE AMS10...
  • Page 27 High compression ratio (Applies only to AMS 10-12/-16): If the low pressure is less than 0.28 MPa and if the liquid line sensor or condensing temperature is greater than 50 °C, the compressor speed can be lowered. NIBE AMS10 Chapter 4 | Description of functions...

  • Page 28: Inverter

    • It then restarts after 3 minutes. If this occurs 4 times within 30 minutes, the compressor stops with error code E42 (Error code only applies to ACVM270). Re- start by acknowledging the alarm. Chapter 4 | Description of functions NIBE AMS10...

  • Page 29: Drain Pan Heater

    AMS 10-8 1°C 3°C Heating element AMS 10-12/-16 3°C 5°C Model Voltage (V) Power (W) AMS 10-6 230 V 110 W AMS 10-8 230 V 100 W AMS 10-12/-16 230 V 120 W NIBE AMS10 Chapter 4 | Description of functions...

  • Page 30: Pump Down Function

    The process from point 2 can be repeated again when the pressure has risen above 0.087 MPa (0.87 bar) again When the pressure is no longer rising after pump down, close the suction gas valve 5/8’ (QM37) OTHER AMS10 Switch off the power to the outdoor unit for 2 minutes. Close the liquid line valve 3/8’ (QM36).
  • Page 31 Valves AMS10 QM37 QM36 AMS 10-12/16 CNEEV1 CNEEV2 CNI1 CNI3 CNI5 CNW2 LED4 LED5 LED6 52X6 52X5 52X4 52X3 52X2 52X1 CNFAN2 CNFAN1 CNN2 CNN1 CNA1 SW1, LED1 & LED2 . NIBE AMS10 Chapter 4 | Description of functions...
  • Page 32 1 2 3 (WH) (BK) CNQ2 (BK) CNA2 CNTH CNIP CNSP (WH) (WH) (RD) (WH) (WH) (RD) t° t° t° t° t° ° t LED1 & LED2 63H1 Tho-R1 Tho-D Tho-S Tho-A Tho-IPM Tho-R2 Chapter 4 | Description of functions NIBE AMS10...

  • Page 33: Component Description

    16 kW 0.9 l Cut-out value high hot gas Automatic reset temp. alarm High hotgas 115 °C 85 °C Outlet Suction side Top valve Rotor (motor) Stator (motor) Crankshaft Compression chamber Rotor Accumulator NIBE AMS10 Chapter 5 | Component description...

  • Page 34: 4-Way Valve

    4-way valve Coil and pilot valve for 4 way valve From discharge Piston Coil Slide To suction gas Valve housing From discharge Slide Guide From evaporator To condenser To suction gas Chapter 5 | Component description NIBE AMS10...
  • Page 35 Over pressure from the hot gas side When the current is switched on a solenoid pulls the piston to the right. This opens the gas pressure to chamber A and releases the pressure in chamber B. NIBE AMS10 Chapter 5 | Component description...
  • Page 36 The slide moves to the right which changes how the refrigerant moves. In this case it runs directly from suction gas to condenser. Chapter 5 | Component description NIBE AMS10...

  • Page 37: Circuit Board

    Circuit board CONTROL BOARD (PWB1) The outdoor unit’s program is here and all inputs and outputs for the machine’s control functions are connected here. PWB1 6kW (upper side) PWB1 6kW (underside) NIBE AMS10 Chapter 5 | Component description...
  • Page 38 LED 2 (red) LED 1 (green) Lit = Normal condition, supply ok. LED 2 (red) Flashes = Alarm indication PWB1 8kW (underside) LED 3 Dipswitch LED 3 (green) Only flashes during software programming. Chapter 5 | Component description NIBE AMS10...
  • Page 39 PWB1 12/16 kW Current sensor Dipswitch LED 2 (red) LED 1 (green) LED 1 (green) Lit = Normal condition, supply ok. LED 2 (red) Flashes = Alarm indication NIBE AMS10 Chapter 5 | Component description...
  • Page 40 INVERTER (PWB2) Controls the voltage to the compressor. PWB2 8kW To compressor Power transistor PWB2 12/16 kW Power transistor To compressor Chapter 5 | Component description NIBE AMS10...
  • Page 41 SUPPRESSOR FILTER (PWB3) PWB3 minimises interruption. PWB3 8 kW PWB3 12/16 kW NIBE AMS10 Chapter 5 | Component description...

  • Page 42: Expansion Valve

    Expansion valve 480 pulses from fully closed to fully open. Coil Solenoid Refrigerant Needle valve Refrigerant Low pressure transmitter Electric signal Pressure sensitive element Membrane Pipe Pressure from refrigerant Chapter 5 | Component description NIBE AMS10...

  • Page 43: Troubleshooting

    - Insufficient air circulation or blocked evaporator - If the fault persists during cooling, there may be an insufficient amount of refrigerant. - Defective control board in AMS 10 Also see the troubleshooting guide on page NIBE AMS10 Chapter 6 | Troubleshooting...
  • Page 44 - Open-circuit or short-circuit on sensor input high or low value 3 times within 40 minutes - Sensor does not work (see "Temperature sensor" section) - Defective control board in AMS 10 Also see the troubleshooting guide on page Chapter 6 | Troubleshooting NIBE AMS10...
  • Page 45 3 times within 40 minutes - Sensor does not work (see "Temperature sensor" section) - Defective control board in AMS 10 - Fault in the refrigerant circuit Also see the troubleshooting guide on page NIBE AMS10 Chapter 6 | Troubleshooting...

  • Page 46: Troubleshooting Guide

    Is there 230 V on the switch CNW the evaporator correctly on the control board (PWB1) Check fuse (4A) and cable. connected? between the red and white - Is the filter clogged? cables? Defective control board - replace. Chapter 6 | Troubleshooting NIBE AMS10...
  • Page 47 Is the pressure 0 MPa in the Replace the control board. indoor module? Replace the low pressure transmitter. NIBE AMS10 Chapter 6 | Troubleshooting...
  • Page 48 Defective low pressure transmitter pressure transmitter and sensor or sensor for suction gas for suction gas temperature OK? temperature - replace. Is the low pressure normal during Top up refrigerant. operation? Defective control board - replace. Chapter 6 | Troubleshooting NIBE AMS10...
  • Page 49 Check the power supply. Cut and reset the voltage supply. Replace the fan motor. (If the fault Has the fault been corrected? persists, replace the control board.) Temporary surge on incoming supply may have caused the alarm. NIBE AMS10 Chapter 6 | Troubleshooting...
  • Page 50 - Is the filter blocked? - Is the air circulation obstructed? - Is the installation space sufficient? - Is the heat exchanger dirty? Sensor data can be found on page 14. Chapter 6 | Troubleshooting NIBE AMS10...
  • Page 51 Are the high pressure checks Check the rotational speed of the normal? compressor. Does the temperature (external gauge) correspond with the Defective control board - replace. displayed temperature in the event of an alarm? Too much refrigerant. Action. NIBE AMS10 Chapter 6 | Troubleshooting...
  • Page 52 OK? - Does the compressor sound different than usual? Replace the inverter board PWB2 Temporary surge on incoming supply may have caused the alarm. * See page for checking power transistor. Chapter 6 | Troubleshooting NIBE AMS10...
  • Page 53 ~ 300-400 kΩ creases Several MΩ and the value rises ~ 650 kΩ ~ 1.2 MΩ ~ 670 kΩ ~ 1.3 MΩ ~ 4.4 MΩ ~ 650 kΩ ~ 4.8 MΩ ~ 4.9 MΩ AMS10-8 NIBE AMS10 Chapter 6 | Troubleshooting...
  • Page 54 AMS10-8 earlier models 264 - INVERTER ERROR Is the connection between the control board and the inverter Correct the connection. board ok? Is JSW10 & 11 correctly installed Set JSW10 & 11 in position on the inverter board? according to table DIP switch *.
  • Page 55 Replace inverter board. Measurement between CNI3:2-3 on the inverter board: AMS 10-8 AMS 10-12/16 GND (-) Remove the surface treatment on the soldered points to be measured. 2: 15 V (+) 3: GND (-) 15V (+) NIBE AMS10 Chapter 6 | Troubleshooting...
  • Page 56 Is the voltage supply Try to start several times, and winding resistance of the from the inverter ok?? did the compressor start? compressor OK? Replace the inverter Replace the compressor. Replace the compressor. board (PWB2 ). Chapter 6 | Troubleshooting NIBE AMS10...
  • Page 57 Is the evaporator’s temperature sensor (Tho-R1, R2) correctly Action. connected? Are the characteristics of the evaporator’s temperature sensor Defective sensor - replace. (Tho-R1, R2) OK? Replace the control board. Sensor data can be found on page 14. NIBE AMS10 Chapter 6 | Troubleshooting...
  • Page 58 Is the hot gas sensor (Tho-D) Action. correctly connected? Are the characteristics of the hot Defective sensor - replace. gas sensor (Tho-D) OK? Replace the control board. Sensor data can be found on page 14. Chapter 6 | Troubleshooting NIBE AMS10...
  • Page 59 Does the pressure (external Check the amount of refrigerant. meter) correspond with the value Check the refrigerant circuit. displayed in the indoor module? Replace the low pressure transmitter. Has the fault been corrected? Replace the control board. NIBE AMS10 Chapter 6 | Troubleshooting...

  • Page 60: Dip Switches, Ams 10

    Start delay 30 minutes Start delay 5 minutes NOTE The switches SW3-3,4, SW4-1,2,3,4 and SW5-1,2,4 may not be changed from the factory settings under any circumstances. Switches may only be changed when the installation is switched off! Chapter 6 | Troubleshooting NIBE AMS10...
  • Page 61 On = Short compressor start start delay. INVERTER PCB Factory setting for the inverter’s DIP switches Switch Function AMS 10-8 AMS 10-12 AMS 10-16 Comments JSW10 Miscellaneous May not be changed! JSW11 Model setting May not be changed! NIBE AMS10 Chapter 6 | Troubleshooting...

  • Page 62: Component Replacement

    2. Undo the five screws and remove the front panel and grille. 7 screws Fan grille Service panel (5 screws) 3. Undo the nut and remove the propeller. Nuts Chapter 7 | Component replacement NIBE AMS10...
  • Page 63 Clamp 6. Remove tape and fan cabling. Control unit Tape Fan cabling 7. Detach the two metal clamps. 8. Undo the four screws and remove the fan motor. 4 screws 2 metal clamps NIBE AMS10 Chapter 7 | Component replacement...
  • Page 64 1. Undo the straps and re- move the external insulation. External insulation 2. Remove the top and inner Tho-D Top insulation insulation. 3. Cut off the strap and pull out the sensor (Tho-D). Inner insulation Chapter 7 | Component replacement NIBE AMS10...
  • Page 65 Cables Connection protection Gasket 7. Remove the compressor heater. 8. Unscrew and remove the ground cable. 9. Undo the three nuts hold- ing the compressor. Heater 3 nuts for the Earth screw compressor NIBE AMS10 Chapter 7 | Component replacement...
  • Page 66 Control board PCB (PWB1) NOTE Wait at least three Control unit minutes after cut- ting the current! Control board PCB 1. Remove the top panel. 2. Remove the protection from the control unit. Chapter 7 | Component replacement NIBE AMS10...
  • Page 67 CNIP CNW2 CNI1 CNTH Inverter board PCB (PWB2) NOTE Wait at least three minutes after cut- ting the current! 1. First remove the PBC con- trol board. 2. Disconnect the contacts. Inverter board NIBE AMS10 Chapter 7 | Component replacement...
  • Page 68 Pliers Lock support 4. Remove the PBC inverter Lock board. Main support CN12 Lock Lock support support CNO1 Lock support CNG2 Lock support Lock support Lock support Chapter 7 | Component replacement NIBE AMS10...
  • Page 69 CNW for T11 On contact terminal board: L1 for T1 N for T2 1 for T8 2 for T9 6. Clamp together the heads of the lock supports. 7. Remove the PBC filter board. NIBE AMS10 Chapter 7 | Component replacement...
  • Page 70 4 screws 2 Remove the nut and then the fan propeller. 1 nut 3 Disconnect contact CN- 5 clamps FAN1. 4 Detach the five clamps and cut off both straps. 2 straps Chapter 7 | Component replacement NIBE AMS10...
  • Page 71 1 Remove the service hatch, 4 screws (short) top panel and front hatch. 2 Remove the four short and four long screws. 3 Remove the panel with the service valves. 4 screws (long) NIBE AMS10 Chapter 7 | Component replacement...
  • Page 72 6 Remove the top section of the compressor insulation. 7 Remove the nut and re- move the connection protec- tion. 9 Remove the gasket. Connection protection 8 Disconnect the compressor wiring, U (red), V (white) and W (blue). Chapter 7 | Component replacement NIBE AMS10...
  • Page 73 11 Disconnect the two straps and disconnect the contacts as illustrated. CNFAN1 2 straps 2 straps 12 Disconnect the contacts as illustrated. CNEEV2 13 Unscrew the ground cable. CNEEV1 Screw Strap CNPS CNTH NIBE AMS10 Chapter 7 | Component replacement...
  • Page 74 2 screws 2 screws 16 Remove the compressor's insulation. 17 Unscrew the ground cable. 18 Remove the compressor heater. 19 Remove the bolts holding the compressor. Insulation (upper) Insulation (lower) Bolt 2 bolts Heater Chapter 7 | Component replacement NIBE AMS10...
  • Page 75 21 Remove the compressor. Pipe S (suction Pipe S (hot gas gas pipe) pipe) Control board (PWB1) 1 Remove the screw. 2 Cut off the two straps. 1 screw 2 straps NIBE AMS10 Chapter 7 | Component replacement...
  • Page 76 CNA2 CNW2 CNW2 CNA1 CNA1 CNFAN1 CNI3 CNI3 CNFAN1 CNI1 CNI1 CNEEV2 CNEEV2 CNEEV1 CNEEV1 CNTH CNIP CNPS CNTH CNIP CNPS 4 Remove the six supports. 5 Remove the control board. supports Support Chapter 7 | Component replacement NIBE AMS10...
  • Page 77 4 Remove the nine screws. CNI2, CNI4 CNACT1 To the compressor 5 Remove the nine supports. 6 Remove the two screws. 7 Remove the inverter board. Thermal paste 9 supports 2 screws Power transistor NIBE AMS10 Chapter 7 | Component replacement...
  • Page 78 Filter board (PWB3) 1 Remove the six screws. 2 Disconnect the contact. 6 screws Contact CN1 3 Remove the five supports. 4 Remove the filter board. 5 supports Chapter 7 | Component replacement NIBE AMS10...

  • Page 79: Technical Data

    8 Technical data Dimensions AMS 10-6 40º 40º NIBE AMS10 Chapter 8 | Technical data...
  • Page 80 Front Gas pipe Opening for pipe and wiring Liquid pipe Drainage hole AMS 10-8 30º 30º Above Chapter 8 | Technical data NIBE AMS10...
  • Page 81 Drainage hole AMS 10-12 Opening fo Right NIBE AMS10 Chapter 8 | Technical data...
  • Page 82 AMS 10-16 Drainage hole Fron Opening Chapter 8 | Technical data NIBE AMS10...

  • Page 83: Sound Pressure Levels

    Noise AMS 10-6 AMS 10-8 AMS 10-12 AMS 10-16 Sound power level, according to EN12102 at 7/35 °C (nominal)* Sound pressure level at 2 m free standing (nominal)* dB(A) * Free space. NIBE AMS10 Chapter 8 | Technical data...

  • Page 84: Technical Specifications

    880 (+67 valve pro- tection) Depth 340 (+ 110 with foot 370 (+ 80 with foot rail) rail) Height 1,300 Weight Miscellaneous RSK number 625 13 80 625 08 68 625 10 23 625 13 42 Chapter 8 | Technical data NIBE AMS10...
  • Page 85 55°C 55°C 4,00 5,00 3,50 4,00 3,00 2,50 3,00 2,00 2,00 1,50 1,00 1,00 0,50 0,00 0,00 Utomhustemperatur Utomhustemperatur 35°C Outdoor temperature 35°C Outdoor temperature (°C) (°C) 45°C 45°C (°C) (°C) 55°C 55°C NIBE AMS10 Chapter 8 | Technical data...
  • Page 86 (°C) 55°C 55°C 6,00 6,00 5,00 5,00 4,00 4,00 3,00 3,00 2,00 2,00 1,00 1,00 0,00 0,00 Utomhustemperatur Utomhustemperatur Outdoor temperature Outdoor temperature 35°C 35°C (°C) (°C) 45°C (°C) 45°C (°C) 55°C 55°C Chapter 8 | Technical data NIBE AMS10...
  • Page 87 (°C) (°C) 45°C 55°C Capacity AMS 10-16 with 20A fuse rating Heating output Uppvärmningskapacitet vid 20A avsäkring (kW) (kW) 25,00 20,00 15,00 10,00 5,00 0,00 Outdoor temperature Utomhustemperatur 35°C (°C) (°C) 45°C 55°C NIBE AMS10 Chapter 8 | Technical data...

  • Page 88: Working Area

    During shorter time it is allowed to have lower working temperatures on the water side, e.g. during start up. Temperature Temperatur (°C) (°C) Flow pipe Framledning Outdoor temperature Utomhustemperatur Return pipe (°C) Returledning (°C) Chapter 8 | Technical data NIBE AMS10...

  • Page 89: Item Register

    Component location AMS 10, 5 Function description Component position electrical panel, 10 Compressor operation, 16 Electrical components AMS 10, 11 Compressor protection, 26 List of components AMS 10 (EZ101), 9 Fan speed – cooling operation, 18 NIBE AMS10 Item register...
  • Page 90 Troubleshooting Sensor placement, 12 Troubleshooting guide, 46 Item register NIBE AMS10...
  • Page 92 WS version: a537 (working edition) Publish date: 2018-06-13 09:45 This manual is a publication from NIBE Energy Systems. All product illustrations, facts and data are based on the available information at the time of the publication’s approval. NIBE Energy Systems makes reservations for any factual or printing errors in this manual.

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