Carrier X-POWER Series Service Manual
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Carrier X-POWER Series Service Manual

Carrier X-POWER Series Service Manual

Full dc inverter outdoor unit
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DATABOOK / SERVICE MANUAL
X-POWER Full DC Inverter Outdoor Unit
208~230V
Thank you very much for purchasing our air conditioner, Before using your air conditioner, please read
this manual carefully and keep it for future reference.
Caution: The manual is applicable for the cooling&heating and cooling only outdoor unit. The
cooling&heating indoor unit is applicable for the cooling&heating and cooling only outdoor unit; the
heating capacity of the indoor unit will be effective only when the indoor unit connect to the
cooling&heating outdoor unit.

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  • Page 1 DATABOOK / SERVICE MANUAL X-POWER Full DC Inverter Outdoor Unit 208~230V Thank you very much for purchasing our air conditioner, Before using your air conditioner, please read this manual carefully and keep it for future reference. Caution: The manual is applicable for the cooling&heating and cooling only outdoor unit. The cooling&heating indoor unit is applicable for the cooling&heating and cooling only outdoor unit;...

  • Page 2: Table Of Contents

    Index Part 1: General Information..............2 Part 2: Selection Procedure ..............12 Part 3: Specification & Performance ..........18 Part 4: Installation ................97 Part 5: Troubleshooting ..............156...

  • Page 3: Part 1 General Information

    Carrier service manual R410a DC Inverter 60Hz Part 1 General Information 1. Features .................. 2 2. Model Lineup ................7 3. Units Combination Table ............8 4. Indoor Units Lineup ............... 9 5. Nomenclature ................11 General Information...

  • Page 4: Features

    R410a DC Inverter 60Hz Carrier service manual 1. Features 1.1 High efficiency V4+ S Series achieves the industry's top class energy efficiency of cooling and heating by utilizing all DC inverter compressors, all DC fan motors and high performance heat exchanger. All DC inverter compressors contribute to higher IPLV greatly.
  • Page 5 Carrier service manual R410a DC Inverter 60Hz DC inverter stepless adjustment AC inverter multistep adjustment System pressure The fluctuation range of motor rotor speed is within ±5 rpm and the motor can rapidly match the output of DC inverter compressor. The efficiency is enhanced under part load.
  • Page 6 1.4.1 Night silent operation mode Carrier's Night Silent Mode feature which is easily set on the PCB board allows the unit to be set to varies time options during Non Peak and Peak operation time optimizing the units noise output.
  • Page 7 Carrier service manual R410a DC Inverter 60Hz Night silent operation will be activated X hours after the peak temperature during daytime, and it will go back to normal operation after Y hours. Model 1→X: 6 hours, Y: 10 hours Model 2→X: 8 hours, Y: 10 hours Model 3→X: 6 hours, Y: 12 hours...
  • Page 8 R410a DC Inverter 60Hz Carrier service manual 1.5.3 Convenient for maintenance Convenient electronic control check window. Can The high/low pressure valves adopt the Stop Valves, which directly observe the operation status from the have screwed thread nipple joint, can be connected to the LED display, and directly press the FORCE meter connector directly in air tight test.

  • Page 9: Model Lineup

    Carrier service manual R410a DC Inverter 60Hz 2. Model Lineup Outdoor units (Combination Unit): 8, 10 HP 12 ,14 ,16 HP 18 HP 20, 22, 24, 26, 28, 30, 32 HP 34, 36, 38, 40, 42, 44, 46, 48 HP...

  • Page 10: Units Combination Table

    R410a DC Inverter 60Hz Carrier service manual 3. Units Combination Table Recommend combination Max. Capacity indoor Model (HP) 8(HP) 10(HP) 12(HP) 14(HP) 16(HP) 18(HP) units nos.  38VF008H117010 38VF010H117010  38VF012H117010  38VF014H117010  38VF016H117010  38VF018H117010  38VF020H117010 ...

  • Page 11: Indoor Units Lineup

    Carrier service manual R410a DC Inverter 60Hz 4. Indoor Units Lineup Cassette type Compact four-way One-way cassette Two-way cassette Four-way cassette Capacity cassette (×100W) ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●...
  • Page 12 R410a DC Inverter 60Hz Carrier service manual Indoor units lineup Ceiling & Floor/Console Ceiling & floor console Capacity (×100W) ● ● ● ● ● ● ● ● ● ● ● ● ● Wall mounted/Fresh air processing unit Wall mounted Wall mounted...

  • Page 13: Nomenclature

    Carrier service manual R410a DC Inverter 60Hz 5. Nomenclature 5.1 Outdoor unit: General Information...
  • Page 14 R410a DC Inverter 60Hz Carrier service manual 5.2 Indoor unit: General Information...

  • Page 15: Part 2 Selection Procedure

    R410a DC Inverter 60Hz Carrier service manual Part 2 Selection Procedure 1. Introduction................13 2. Unit Selection (Based on cooling load)......... 16 Selection Procedure...
  • Page 16 Carrier service manual R410a DC Inverter 60Hz 1. Introduction 1.1 Model Selection Procedure Select the model and calculate the capacity for each refrigerant system according to the procedure shown below. ●Calculation of the indoor air-conditioning load, Calculate the maximum air-conditioning load for each room or zone.
  • Page 17 R410a DC Inverter 60Hz Carrier service manual unit if the installation space is large enough. If the combination ratio is greater than 100%, the indoor unit selection shall be reviewed by using actual capacity of each indoor unit. INDOOR UNIT COMBINATION TOTAL CAPACITY INDEX TABLE (without 18HP model)
  • Page 18 Carrier service manual R410a DC Inverter 60Hz OUC: Outdoors unit capacity INX: Each indoor unit capacity index TNX: Total capacity index Then, correct the indoor unit capacity according to the piping length. If the corrected capacity is smaller than the load, the capacity of indoor unit has to be increased and repeat the same selection procedure.
  • Page 19 R410a DC Inverter 60Hz Carrier service manual 2. Unit Selection (Based on cooling load) 2.1 Given condition 2.1.1 Design condition (Cooling: Indoor 20°C (WB), Outdoor 35°C (DB)) 2.1.2 Cooling load Location Room E Room A Room B Room C Room D...

  • Page 20: Part 3 Specification & Performance

    R410a DC Inverter 60Hz Carrier service manual Part 3 Specification & Performance 1. Specifications................19 2. Dimensions................23 3. Piping Diagrams and Valve explanation........24 4. Electric Characteristics ............26 5. Wiring Diagrams and Field Wiring ...........27 6. Operation Limits................31 7. Capacity Tables .................32 8.

  • Page 21: Specifications

    Carrier service manual R410a DC Inverter 60Hz 1. Specifications Independent unit specifications 38VF008H117010 38VF010H117010 38VF012H117010 Model Power supply V-Ph-Hz 208-230V 3~60Hz 208-230V 3~60Hz 208-230V 3~60Hz 25.2 33.5 Capacity Btu/h 86000 95500 114300 Cooling (*1) Input 5.875 7.053 8.793 kW/kW 4.29 3.97...
  • Page 22 R410a DC Inverter 60Hz Carrier service manual Net/Gross weight lbs.(kg) 455/481(202/218) 455/481(202/218) 628/672(285/305) Charged refrigerant type and volume lbs.(kg) R410A/ 19.8(9) R410A/ 19.8(9) R410A/ 24.3(11) Throttle type Excessive operating pressure psi(MPa) 638/377(4.4/2.6) 638/377(4.4/2.6) 638/377(4.4/2.6) Liquid side/ Gas side in.(mm) 1/2(Ф12.7)/1(Ф25.4) 1/2(Ф12.7)/1(Ф25.4)
  • Page 23 Carrier service manual R410a DC Inverter 60Hz Independent unit specifications 38VF014H117010 38VF016H117010 38VF018H117010 Model Power supply V-Ph-Hz 208-230V 3~60Hz 208-230V 3~60Hz 208-230V 3~60Hz Capacity Btu/h 136500 153500 170500 Cooling(*1) Input 11.299 13.235 14.793 kW/kW 3.54 3.38 Capacity Btu/h 153500 170600...
  • Page 24 R410a DC Inverter 60Hz Carrier service manual Throttle type Excessive operating pressure psi(MPa) 638/377(4.4/2.6) 638/377(4.4/2.6) 638/377(4.4/2.6) 5/8(Ф15.9)/1-1/4(Ф31.8) 5/8(Ф15.9)/1-1/4(Ф31.8) 3/4(Ф19.1)/1-1/4(Ф31.8) Liquid side/ Gas side in.(mm) ℉(℃) Cooling 23~118.4(-5~48) 23~118.4(-5~48) Ambient temperature range ℉(℃) Heating -4~75.2(-20~24) -4~75.2(-20~24) Notes: 1. The cooling conditions: indoor temperature: 27℃DB(80.6℉), 19℃WB(60℉), outdoor temperature: 35℃DB(95℉), equivalent pipe length: 16.4ft(5m), drop length: 0m.

  • Page 25: Dimensions

    Carrier service manual R410a DC Inverter 60Hz 2. Dimensions 2.1 Units Dimension 8, 10 HP Unit:in.(mm) Position illustration of screw bolts . Unit: in.(mm) 37-25/32(960mm) 32-43/64(830mm) 15×23long U-shape hole 37-25/32(960mm) 12，14，16、18HP Position illustration of screw bolts. 12, 14, 16HP Unit:in.(mm) Unit: in.(mm)

  • Page 26: Piping Diagrams And Valve Explanation

    R410a DC Inverter 60Hz Carrier service manual 3. Piping Diagrams and Valve explanation 3.1 Piping Diagrams DC fan Stop valve (High pressure) EXV A Heat exchanger Stop valve (Low pressure) Unloading valve High pressure switch High pressure Oil balabce sensor...
  • Page 27 Carrier service manual R410a DC Inverter 60Hz 2.12~16HP have two DC inverter compressors. Key Components: Oil Separator: used to separate oil from high pressure & temperature gas refrigerant, which is pumped out from compressor. The separation efficiency is up to 99%, it makes the oil return back to each compressor very soon.

  • Page 28: Electric Characteristics

    R410a DC Inverter 60Hz Carrier service manual 4. Electric Characteristics Outdoor Unit Power Supply Compressor Model Voltage Min. Max. TOCA 38VF008H117010 208-230 35.5 0.42 38VF010H117010 208-230 35.5 0.42 38VF012H117010 208-230 46.5 49.5 35.5+21.1 0.22×2 2.2×2 38VF014H117010 208-230 54.6 54.4 35.5+21.1 0.36×2...

  • Page 29: Wiring Diagrams And Field Wiring

    Carrier service manual R410a DC Inverter 60Hz 5. Wiring Diagrams and Field Wiring 5.1 Wiring diagram for 8~10HP Specification & Performance...
  • Page 30 R410a DC Inverter 60Hz Carrier service manual Wiring diagram for 12~16HP IC16 CODE NAME IC17 COMP（ INV） 、 Inverter compressor COMP（ INV1） Blue Black Brown DC fan FANA、 FANB CN62 Blue CN61 Main 4-way valve CN64 DC Filter Board A KM(A 、B)
  • Page 31 Carrier service manual R410a DC Inverter 60Hz Wiring diagram for 18HP Specification & Performance...
  • Page 32 R410a DC Inverter 60Hz Carrier service manual Field Wiring  The control wire should be shielded wire. Using other wiring shall create signal interference, thus leading to error operation.  The shielded nets at the two sides of shielded wires are either grounded to the earth, or connected with each other and jointed to the sheet metal along to the earth.

  • Page 33: Operation Limits

    Carrier service manual R410a DC Inverter 60Hz 6. Operation Limits Cooling Heating I n d o o r t e m p e r a t u r e ( ℃ W B ) I n d o o r t e m p e r a t u r e ( ℃ D B ) Notes: 1.

  • Page 34: Capacity Tables

    R410a DC Inverter 60Hz Carrier service manual 7. Capacity Tables 8HP cooling mode Indoor temperature(°C DB/WD) Combination Outdoor DB:20.8,WB:14 DB:23.3,WB:16 DB:25.8,WB:18 DB:27,WB:19 DB:28.2,WB:20 DB:30.7,WB:22 DB:32,WB:24 (%) (Capacity temperature index) (°C DB) 22.14 2.39 26.37 2.91 30.60 3.12 31.77 3.25 33.30 3.34...
  • Page 35 Carrier service manual R410a DC Inverter 60Hz 18.72 2.12 22.32 2.58 25.92 3.09 27.72 3.30 29.52 3.56 31.77 3.71 32.49 3.81 18.72 2.16 22.32 2.61 25.92 3.12 27.72 3.34 29.52 3.61 31.77 3.76 32.49 3.85 18.72 2.18 22.32 2.64 25.92 3.15...
  • Page 36 R410a DC Inverter 60Hz Carrier service manual 15.30 1.98 18.27 2.41 21.24 2.86 22.68 3.15 24.12 3.45 27.09 4.08 28.98 4.47 15.30 2.02 18.27 2.50 21.24 3.07 22.68 3.38 24.12 3.70 27.09 4.38 28.53 4.67 15.30 2.13 18.27 2.68 21.24 3.28...
  • Page 37 Carrier service manual R410a DC Inverter 60Hz 11.88 2.48 14.22 3.06 16.47 3.70 17.64 4.07 18.81 4.44 21.06 5.29 23.40 6.18 11.88 2.68 14.22 3.27 16.47 3.85 17.64 4.29 18.81 4.57 21.06 5.48 23.40 6.37 11.88 2.74 14.22 3.34 16.47 3.94...
  • Page 38 R410a DC Inverter 60Hz Carrier service manual 8HP heating mode Indoor temperature(°C WB) Outdoor Combination (%) temperature(°C DB (Capacity index) °C DB °C WB -19.8 17.48 4.34 17.40 4.65 17.32 4.96 17.32 5.11 17.23 5.26 17.23 5.57 -18.8 17.74 4.44 17.66...
  • Page 39 Carrier service manual R410a DC Inverter 60Hz -7.6 22.37 6.62 22.37 6.80 22.29 6.98 22.29 7.08 22.29 7.16 22.20 7.35 -5.6 23.57 6.79 23.48 6.96 23.48 7.13 23.40 7.21 23.40 7.30 23.31 7.48 -3.7 24.69 6.94 24.69 6.30 24.60 7.27 24.60...
  • Page 40 R410a DC Inverter 60Hz Carrier service manual -13.7 18.26 7.32 17.23 6.80 16.20 6.31 15.69 6.07 15.17 5.83 14.14 5.36 -11.8 18.26 6.92 17.23 6.44 16.20 5.98 15.69 5.76 15.17 5.53 14.14 5.12 -9.8 18.26 6.54 17.23 6.09 16.20 5.66 15.69...
  • Page 41 Carrier service manual R410a DC Inverter 60Hz 10HP cooling mode Indoor temperature(°C WB) Combination Outdoor DB:20.8,WB:14 DB:23.3,WB:16 DB:25.8,WB:18 DB:27,WB:19 DB:28.2,WB:20 DB:30.7,WB:22 DB:32,WB:24 temperature(°C (Capacity index) 24.60 2.88 29.30 3.52 34.00 3.77 35.30 3.92 37.00 4.04 37.90 4.39 38.85 4.42 24.60 2.88...
  • Page 42 R410a DC Inverter 60Hz Carrier service manual 20.80 2.90 24.80 3.53 28.80 4.21 30.80 4.58 32.80 5.03 33.50 5.06 34.30 5.11 20.80 2.95 24.80 3.61 28.80 4.46 30.80 4.92 32.30 5.27 33.10 5.31 33.80 5.36 20.80 2.98 24.80 3.72 28.80 4.62...
  • Page 43 Carrier service manual R410a DC Inverter 60Hz 15.10 1.75 18.00 2.07 20.90 2.44 22.40 2.61 23.90 2.79 26.80 3.23 29.70 3.68 15.10 1.78 18.00 2.09 20.90 2.47 22.40 2.64 23.90 2.84 26.80 3.27 29.70 3.73 15.10 1.82 18.00 2.12 20.90 2.50...
  • Page 44 R410a DC Inverter 60Hz Carrier service manual 11.30 1.93 13.50 2.34 15.70 2.80 16.80 3.05 17.90 3.31 20.10 3.85 22.30 4.44 11.30 2.03 13.50 2.48 15.70 2.97 16.80 3.24 17.90 3.51 20.10 4.09 22.30 4.73 11.30 2.16 13.50 2.63 15.70 3.15...
  • Page 45 Carrier service manual R410a DC Inverter 60Hz 10HP heating mode Indoor temperature(°C WB) Outdoor temperature(°C Combination (%) (Capacity index) °C DB °C WB -19.8 20.40 5.33 20.30 5.71 20.20 6.09 20.20 6.28 20.10 6.46 20.10 6.84 -18.8 20.70 5.45 20.60 5.82...
  • Page 46 R410a DC Inverter 60Hz Carrier service manual -7.6 26.10 8.13 26.10 8.35 26.00 8.57 26.00 8.69 26.00 8.79 25.90 9.02 -5.6 27.50 8.33 27.40 8.54 27.40 8.76 27.30 8.85 27.30 8.96 27.20 9.18 -3.7 28.80 8.52 28.80 7.74 28.70 8.92 28.70...
  • Page 47 Carrier service manual R410a DC Inverter 60Hz -13.7 21.30 8.98 20.10 8.35 18.90 7.75 18.30 7.45 17.70 7.16 16.50 6.58 -11.8 21.30 8.50 20.10 7.91 18.90 7.34 18.30 7.07 17.70 6.79 16.50 6.28 -9.8 21.30 8.03 20.10 7.48 18.90 6.95 18.30...
  • Page 48 R410a DC Inverter 60Hz Carrier service manual 12HP cooling mode Indoor temperature(°C WB) Combination Outdoor DB:20.8,WB:14 DB:23.3,WB:16 DB:25.8,WB:18 DB:27,WB:19 DB:28.2,WB:20 DB:30.7,WB:22 DB:32,WB:24 temperature(°C (Capacity index) 29.43 3.59 35.05 4.39 40.68 4.70 42.23 4.89 44.26 5.03 45.34 5.47 46.48 5.51 29.43 3.59...
  • Page 49 Carrier service manual R410a DC Inverter 60Hz 24.89 3.54 29.67 4.32 34.46 5.14 36.85 5.56 39.24 5.98 40.68 6.01 41.52 6.18 24.89 3.61 29.67 4.41 34.46 5.25 36.85 5.71 39.24 6.27 40.08 6.31 41.04 6.37 24.89 3.68 29.67 4.50 34.46 5.56...
  • Page 50 R410a DC Inverter 60Hz Carrier service manual 18.07 2.15 21.54 2.54 25.00 3.01 26.80 3.20 28.60 3.45 32.06 3.99 35.53 4.55 18.07 2.18 21.54 2.57 25.00 3.04 26.80 3.25 28.60 3.48 32.06 4.02 35.53 4.59 18.07 2.22 21.54 2.61 25.00 3.07...
  • Page 51 Carrier service manual R410a DC Inverter 60Hz 13.52 2.26 16.15 2.75 18.78 3.29 20.10 3.58 21.42 3.87 24.05 4.51 26.68 5.20 13.52 2.40 16.15 2.91 18.78 3.49 20.10 3.80 21.42 4.12 24.05 4.80 26.68 5.53 13.52 2.53 16.15 3.09 18.78 3.71...
  • Page 52 R410a DC Inverter 60Hz Carrier service manual 12HP heating mode Indoor temperature(°C WB) Outdoor temperature(°C Combination (Capacity index) °C DB °C WB -19.8 24.28 6.35 24.16 6.80 24.05 7.25 24.05 7.47 23.93 7.69 23.93 8.15 -18.8 24.64 6.49 24.52 6.94 24.52...
  • Page 53 Carrier service manual R410a DC Inverter 60Hz -8.5 -9.1 30.00 9.49 29.88 9.77 29.88 10.04 29.88 10.18 29.76 10.32 29.76 10.59 -7.6 31.07 9.68 31.07 9.95 30.95 10.20 30.95 10.34 30.95 10.47 30.83 10.74 -5.6 32.74 9.92 32.62 10.17 32.62 10.43...
  • Page 54 R410a DC Inverter 60Hz Carrier service manual -16.7 24.76 10.81 23.93 10.47 22.50 9.70 21.79 9.33 21.07 8.95 19.64 8.23 -13.7 25.36 10.69 23.93 9.95 22.50 9.22 21.79 8.87 21.07 8.52 19.64 7.83 -11.8 25.36 10.12 23.93 9.42 22.50 8.74 21.79...
  • Page 55 Carrier service manual R410a DC Inverter 60Hz 14HP cooling mode Indoor temperature(°C WB) Combination Outdoor DB:20.8,WB:14 DB:23.3,WB:16 DB:25.8,WB:18 DB:27,WB:19 DB:28.2,WB:20 DB:30.7,WB:22 DB:32,WB:24 temperature(°C (Capacity index) 35.14 4.62 41.86 5.64 48.57 6.04 50.43 6.29 52.85 6.47 54.14 7.03 55.50 7.08 35.14 4.62...
  • Page 56 R410a DC Inverter 60Hz Carrier service manual 29.71 4.65 35.43 5.67 41.14 6.75 44.00 7.34 46.86 8.06 47.86 8.12 49.00 8.19 29.71 4.74 35.43 5.79 41.14 7.14 44.00 7.89 46.14 8.45 47.29 8.51 48.29 8.59 29.71 4.78 35.43 5.95 41.14 7.40...
  • Page 57 Carrier service manual R410a DC Inverter 60Hz 21.57 2.81 25.72 3.31 29.86 3.90 32.00 4.18 34.14 4.47 38.28 5.17 42.43 5.90 21.57 2.85 25.72 3.35 29.86 3.95 32.00 4.23 34.14 4.55 38.28 5.25 42.43 5.99 21.57 2.91 25.72 3.40 29.86 4.01...
  • Page 58 R410a DC Inverter 60Hz Carrier service manual 16.14 3.09 19.29 3.75 22.43 4.49 24.00 4.89 25.57 5.30 28.71 6.17 31.86 7.11 16.14 3.26 19.29 3.97 22.43 4.77 24.00 5.19 25.57 5.63 28.71 6.56 31.86 7.58 16.14 3.46 19.29 4.22 22.43 5.06...
  • Page 59 Carrier service manual R410a DC Inverter 60Hz 14HP heating mode Indoor temperature(°C WB) Outdoor Combination temperature(°C (Capacity index) °C DB °C WB -19.8 29.14 7.91 29.00 8.46 28.86 9.02 28.86 9.30 28.72 9.58 28.72 10.14 -18.8 29.57 8.08 29.43 8.63 29.43...
  • Page 60 R410a DC Inverter 60Hz Carrier service manual -7.6 37.29 12.05 37.29 12.38 37.14 12.70 37.14 12.88 37.14 13.04 37.00 13.37 -5.6 39.29 12.35 39.14 12.66 39.14 12.98 39.00 13.12 39.00 13.28 38.86 13.60 -3.7 41.14 12.63 41.14 11.47 41.00 13.22 41.00...
  • Page 61 Carrier service manual R410a DC Inverter 60Hz -13.7 30.43 13.31 28.71 12.38 27.00 11.48 26.14 11.04 25.29 10.61 23.57 9.75 -11.8 30.43 12.60 28.71 11.73 27.00 10.88 26.14 10.48 25.29 10.07 23.57 9.31 -9.8 30.43 11.90 28.71 11.09 27.00 10.30 26.14...
  • Page 62 R410a DC Inverter 60Hz Carrier service manual 16HP cooling mode Indoor temperature(°C WB) Combination Outdoor DB:20.8,WB:14 DB:23.3,WB:16 DB:25.8,WB:18 DB:27,WB:19 DB:28.2,WB:20 DB:30.7,WB:22 DB:32,WB:24 temperature(°C (Capacity index) 39.54 5.41 47.09 6.61 54.64 7.08 56.73 7.37 59.46 7.58 60.91 8.24 62.44 8.29 39.54 5.41...
  • Page 63 Carrier service manual R410a DC Inverter 60Hz 33.43 5.44 39.86 6.64 46.29 7.90 49.50 8.60 52.71 9.44 53.84 9.51 55.13 9.60 33.43 5.55 39.86 6.78 46.29 8.37 49.50 9.24 51.91 9.90 53.20 9.97 54.33 10.06 33.43 5.60 39.86 6.98 46.29 8.67...
  • Page 64 R410a DC Inverter 60Hz Carrier service manual 24.27 3.29 28.93 3.88 33.59 4.57 36.00 4.90 38.41 5.24 43.07 6.06 47.73 6.92 24.27 3.34 28.93 3.93 33.59 4.63 36.00 4.95 38.41 5.34 43.07 6.15 47.73 7.01 24.27 3.41 28.93 3.98 33.59 4.70...
  • Page 65 Carrier service manual R410a DC Inverter 60Hz 18.16 3.62 21.70 4.39 25.23 5.26 27.00 5.73 28.77 6.21 32.30 7.23 35.84 8.33 18.16 3.82 21.70 4.66 25.23 5.58 27.00 6.08 28.77 6.60 32.30 7.69 35.84 8.88 18.16 4.05 21.70 4.94 25.23 5.92...
  • Page 66 R410a DC Inverter 60Hz Carrier service manual 16HP heating mode Indoor temperature(°C WB) Outdoor temperature(°C Combination (Capacity index) °C DB °C WB -19.8 32.38 9.04 32.22 9.67 32.07 10.32 32.07 10.63 31.91 10.95 31.91 11.59 -18.8 32.86 9.24 32.70 9.87 32.70...
  • Page 67 Carrier service manual R410a DC Inverter 60Hz -7.6 41.43 13.77 41.43 14.15 41.27 14.52 41.27 14.72 41.27 14.90 41.11 15.28 -5.6 43.65 14.12 43.49 14.47 43.49 14.83 43.34 15.00 43.34 15.18 43.18 15.55 -3.7 45.72 14.43 45.72 13.11 45.56 15.12 45.56...
  • Page 68 R410a DC Inverter 60Hz Carrier service manual -13.7 33.81 15.21 31.91 14.15 30.00 13.12 29.05 12.62 28.10 12.12 26.19 11.14 -11.8 33.81 14.40 31.91 13.40 30.00 12.44 29.05 11.98 28.10 11.51 26.19 10.65 -9.8 33.81 13.60 31.91 12.67 30.00 11.78 29.05...
  • Page 69 Carrier service manual R410a DC Inverter 60Hz 43.93 11.42 51.25 14.31 52.86 14.47 53.57 14.55 54.46 14.63 56.07 14.79 57.50 14.95 43.93 12.18 50.35 14.83 51.96 15.01 52.86 15.09 53.57 15.17 55.18 15.35 56.78 15.51 43.93 12.96 49.64 15.37 51.25 15.55...
  • Page 70 R410a DC Inverter 60Hz Carrier service manual 40.68 8.44 48.50 10.52 51.08 11.87 51.75 12.06 52.84 11.99 53.47 13.04 53.88 12.59 33.75 4.64 40.18 5.59 46.79 6.66 50.00 7.13 53.22 7.74 59.82 8.81 63.22 9.20 33.75 4.70 40.18 5.66 46.79 6.73...
  • Page 71 Carrier service manual R410a DC Inverter 60Hz 26.96 4.01 32.14 4.74 37.32 5.56 40.00 5.99 42.68 6.43 47.86 7.34 53.04 8.39 26.96 4.05 32.14 4.84 37.32 5.70 40.00 6.14 42.68 6.58 47.86 7.51 53.04 8.47 26.96 4.11 32.14 4.92 37.32 5.80...
  • Page 72 R410a DC Inverter 60Hz Carrier service manual 20.18 3.37 24.11 3.97 28.04 4.62 30.00 4.96 31.97 5.30 35.89 6.02 39.82 6.76 20.18 3.41 24.11 4.05 28.04 4.70 30.00 5.06 31.97 5.40 35.89 6.26 39.82 7.19 20.18 3.47 24.11 4.11 28.04 4.88...
  • Page 73 Carrier service manual R410a DC Inverter 60Hz 18HP heating mode Indoor temperature(°C WB) Outdoor temperature(°C Combination (Capacity index) °C DB °C WB -19.8 36.26 10.17 36.09 10.88 35.91 11.61 35.91 11.97 35.73 12.32 35.73 13.05 -18.8 36.80 10.40 36.62 11.11 36.62...
  • Page 74 R410a DC Inverter 60Hz Carrier service manual 13.7 69.51 13.80 65.60 13.65 61.69 12.70 59.56 12.21 57.60 11.76 53.69 10.84 -19.8 35.73 13.09 35.55 13.63 35.55 14.19 35.38 14.47 35.38 14.73 35.20 15.29 -18.8 36.27 13.26 36.27 13.80 36.09 14.34 36.09...
  • Page 75 Carrier service manual R410a DC Inverter 60Hz -13.7 38.67 16.68 38.49 17.03 38.49 17.39 37.78 17.13 36.54 16.43 34.06 15.07 -11.8 40.26 16.96 40.26 17.29 39.20 16.88 37.78 16.23 36.54 15.57 34.06 14.28 -9.8 42.21 17.24 41.68 17.22 39.20 15.95 37.78...

  • Page 76: Sound Levels

    R410a DC Inverter 60Hz Carrier service manual 8. Sound Levels Standard of testing Test value Outdoor unit (HP) Noise level (dB) Sound Curve: 8,10HP 12HP 14HP 16,18HP Specification & Performance...

  • Page 77: Outdoor Fan Performance

    Carrier service manual R410a DC Inverter 60Hz 9. Outdoor Fan performance 8,10HP Curve diagram of static pressure, air flow volume: Air pressure curve diagram (take down the mesher) 12200 12000 11800 11600 11400 11200 11000 10800 Static pressure (Pa) 12HP Curve diagram of static pressure, air flow volume:...
  • Page 78 R410a DC Inverter 60Hz Carrier service manual 10. Accessories 10.1 Standard accessories Name Quantity Purpose Installation manual of outdoor unit Outdoor unit owner’s manual Be sure to deliver it to the customer Indoor unit owner’s manual Be sure to deliver it to the customer...

  • Page 79: Part 4 Installation

    Carrier service manual R410a DC Inverter 60Hz Part 4 Installation 1. Installation Introduction ..........98 2. Units Installation ............113 3. Refrigerant Pipe Engineering........120 4. Drainage Pipe Engineering..........136 5. Duct Engineering............141 6. Heat Insulation Engineering..........143 7. Electrical Engineering............146 8. Commissioning and Trial Running .......150...

  • Page 80: Installation Introduction

    R410a DC Inverter 60Hz Carrier service manual 1. Installation Introduction 1.1 Select the refrigerant piping 1.1.1 Length and level difference permitted of the refrigerant piping Table 4-1 Item Permitted length Pipe L1+(L2+L3+…+L8+L9 Total pipe length(actual length) ≤3280ft(1000m) )×2+a+b+c+…+i+j Actual length ≤574ft(175m)
  • Page 81 1. The equivalent length of the each branch joint is 1.64ft(0.5m). All branches must be purchased from Carrier, otherwise system is induced to malfunction 2. The indoor units should as equal as possible to be installed in the both sides of the U-shape branch joint.
  • Page 82 R410a DC Inverter 60Hz Carrier service manual 1.1.2 Select the refrigerant piping Fig 4-2 (10) (12) (16) (140) (140) (140) (140) (140) (71) (71) (140) (56) (56) Note: In the above drawing, the capacity unit of indoor side is (×100W), and the outdoor side is HP.
  • Page 83 Carrier service manual R410a DC Inverter 60Hz 660≤A<920 Φ1-1/4(Φ31.8) Φ3/4(Φ19.1) BJF-710-CM(i) 920≤A<1350 Φ1-1/2(Φ38.1) Φ3/4(Φ19.1) BJF-1344-CM(i) 1350≤A<1800 Φ1-5/8(Φ41.3) Φ7/8(Φ22.2) BJF-E1344-CM(i) 1800≤A Φ1-3/4(Φ44.5) Φ1(Φ25.4) BJF-E1344-CM(i) 1.1.2.3 Selection of the main pipe (L1) E.g. The main pipe (L1) in the above drawing Please refer to the following table: Table 4-5 When total equivalent length<295ft(90m)
  • Page 84 L+M： 12~18HP: BJC-03-CM(i) Φ1-1/4(Φ31.8)Φ/Φ5/8(Φ15.9); G1: Φ1-1/2(Φ38.1)/Φ3/4(Φ19.1) g1,g2,g3,g4： 8,10HP: Φ25.4Φ/12.7; L+M+N： 12~18HP:Φ1-1/4(Φ31.8)/Φ5/8(Φ15.9); BJC-04-CM(i) G1: Φ1-1/2(Φ38.1)/Φ3/4(Φ19.1); G2: Φ1-5/8(Φ41.3)/Φ7/8(Φ22.2) Notice: All branches must be purchased from Carrier. 1.1.3 Pipe selection example Fig 4-3 (10) (12) (16) (140) (140) (140) (140) (140) (71) (71)
  • Page 85 Carrier service manual R410a DC Inverter 60Hz Φ7/8(Φ22.2)/Φ3/8(Φ9.53) L4/D N3+N4=280 230≤A<330 BJF-330-CM(i) Φ1-1/8(Φ28.6)/Φ5/8(Φ15.9) L2/B N1+……+N4=560 460≤A<660 BJF-710-CM(i) Φ5/8(Φ15.9)/Φ3/8(Φ9.53) L7/G N6+N7=142 A<166 BJF-224-CM(i) Φ7/8(Φ22.2)/Φ3/8(Φ9.53) L6/F N5+……+N7=282 230≤A<330 BJF-330-CM(i) Φ7/8(Φ22.2)/Φ3/8(Φ9.53) L9/I N9+N10=136 230≤A<330 BJF-330-CM(i) L8/H N8+……+N10=276 230≤A<330 Φ7/8(Φ22.2)/Φ3/8(Φ9.53) BJF-330-CM(i) Φ1-1/8(Φ28.6)/Φ5/8(Φ15.9) L5/E N5+……+N10=558 460≤A<660...
  • Page 86 R410a DC Inverter 60Hz Carrier service manual BJF-330-CM( BJF-710-CM( BJF-1344-C M(I) BJF-E1344-C M(I) BJF-E1500-C M(I) Installation...
  • Page 87 Carrier service manual R410a DC Inverter 60Hz 1.1.4.2 Outdoor branch drawing Outdoor BJC-02-CM (I) BJC-03-CM(I) BJC-04-CM(I) branch Gas side Liquid side Oil balance pipe (2 pcs) Installation...
  • Page 88 R410a DC Inverter 60Hz Carrier service manual 1.2 Installation Procedure 1.2.1 Importance of the Installation Operation Effect of installation issues on equipment: Leakage of refrigerant pipe Insufficient refrigerant Overheated running Compressor fault Filth blockage of refrigerant pipe Product of the chemical reaction between ice or water of...
  • Page 89 Carrier service manual R410a DC Inverter 60Hz ........Electric engineering Select proper power cables ......(signal cable, power cable) (Signal cable should use 3-cores shielded wires) ......Basement work for outdoor unit Avoid short-circuit ventilation and ensure sufficient maintenance space ........
  • Page 90 R410a DC Inverter 60Hz Carrier service manual Note: It is no need to insulate the drainpipe if you choose the plastic pipe as drainpipe. 1.2.6 Electric wiring 1.2.6.1 Please select power supply for indoor unit and outdoor unit separately. Both indoor units and outdoor units should be grounded well.
  • Page 91 Carrier service manual R410a DC Inverter 60Hz high fan speed first, after the system operated, test following operation parameters of the system, including indoor units and outdoor units parameters. 1.3 Installation Preparation 1.3.1 Installation tools and instruments All the necessary tools should be available, and their models and specifications should meet the installation and technical requirements.
  • Page 92 R410a DC Inverter 60Hz Carrier service manual 1.3.4. Training of installation team Establish sound training mechanisms. Service engineers are required to train installation team managers, work supervisors to train workers, and managers to train workers of special type. Establish a management mechanism in which pre-working training, before-shift disclosure and after-shift implementation are available.
  • Page 93 Carrier service manual R410a DC Inverter 60Hz If installation is defective, it will cause water leakage, electrical shock fire. (3) When installing the unit in a small room, take measures against to keep refrigerant concentration from exceeding allowable safety limits in the event of refrigerant leakage.
  • Page 94 R410a DC Inverter 60Hz Carrier service manual conditioner is done. (4) While following the instructions in this installation manual, install drain piping in order to ensure proper drainage and insulate piping in order to prevent condensation. Improper drain piping may result in water leakage and property damage.

  • Page 95: Units Installation

    Carrier service manual R410a DC Inverter 60Hz 2. Units Installation 2.1 Installation of Indoor Unit 2.1.1 Installation procedure Determine the installation position → Scribing and locating → Installing suspension road → Installing the indoor unit 2.1.2 Cautions for installation and check 1) Drawing check: Confirm the specification, model and installation direction of the set.
  • Page 96 R410a DC Inverter 60Hz Carrier service manual 2. Ensure that the noise and exhaust ventilation of the outdoor unit do not affect the neighbors of the property owner or the surrounding ventilation. 3. Ensure that the outdoor unit is installed in a well-ventilated place that is possibly closest to the indoor unit.
  • Page 97 Carrier service manual R410a DC Inverter 60Hz 2.2.5 Installation highlights for outdoor unit 1. Install vibration isolator or isolating pad between the set and the base by the design specification. 2. Ensure close between the outdoor unit and the base, or significant vibration and noise may occur.
  • Page 98 R410a DC Inverter 60Hz Carrier service manual director onto the exhaust hood of the outdoor unit to facilitate heat dissipation. See the figure below. The height of the air director is HD (namely H-h). Please make the air director on site.
  • Page 99 Carrier service manual R410a DC Inverter 60Hz 2.2.7 Mount the air deflector When installing, takes off the mesh firstly, and then conduct in according of the following two schedules. 2.2.7.1 Installation of 8HP,10HP. Schedule 1: Support 12 ST3.9 Radius self-threading screws...
  • Page 100 R410a DC Inverter 60Hz Carrier service manual 2.2.7.2 Installation of 12HP,14HP,16HP,18HP 12 ST3.9 Support self-threading screws 1210 Radius Radius Remove the two iron filter firstly Air outlet louver dimension (optional) Unit: mm A≥300 B≥250 C≤3000 725≤D≤760 E=A+725 θ≤15° 12-Φ3.2 1250...
  • Page 101 Carrier service manual R410a DC Inverter 60Hz Before install the air deflector, please ensuring the mesh enclosure has been took off; otherwise the air supply efficiency would be block down. Once mounting the shutter to the unit, air volume, cooling (heating) capacity and efficiency would be block down, this affection enhance along with the angle of the shutter.

  • Page 102: Refrigerant Pipe Engineering

    R410a DC Inverter 60Hz Carrier service manual 3. Refrigerant Pipe Engineering 3.1 Refrigerant Pipe Processing 3.1.1Basic requirements 3.1.1.1 Operation procedure Determine the route and size of the pipeline according to the construction drawing  Make and installing bracket, hanger and support  Make and arrange pipe accessories  Recharge nitrogen gas for protection ...
  • Page 103 Carrier service manual R410a DC Inverter 60Hz replace thermal insulation material, “U”-shape pipe should be fixed outside the round log, and the round log should be provided with anticorrosion treatment. Pipe Diameter Less than Ф25/32in.(20mm) Ф25/32~1-37/64in.(Ф20~40) Larger thanФ1-37/64in.(Ф40mm) Interval between 4.92ft(1.
  • Page 104 R410a DC Inverter 60Hz Carrier service manual section of the adjacent branch pipe is larger than or equal to 1.64ft(0.5m). b. Ensure that the distance between the horizontal straight pipe sections of the two adjacent branch pipes is larger than or equal to 1.64ft(0.5m).
  • Page 105 Carrier service manual R410a DC Inverter 60Hz 2) When the copper pipe goes outside the wall, ensure that no rain water can enter the pipe, particularly when the pipe is placed upright. 3) Before completing the pipe connection, seal the openings of the pipe with covers.
  • Page 106 R410a DC Inverter 60Hz Carrier service manual 2. Correct operation procedure: Rotate the pipe evenly and slowly, and apply force to it. Cut the pipe off while ensuring that it does not deform. 3. Risk if a saw or cutting machine is used to cut pipe: Copper chip will enter the pipe (in this case, it will be very hard to clean up), or which may even enter the compressor or blocking the throttling unit.
  • Page 107 Carrier service manual R410a DC Inverter 60Hz Torque Legend Pipe Diameter (kgf-cm) (N-cm) Torque spanner 1/4" (6. 4) 144~176 1420~1720 3/8" (9. 53) 333~407 3270~3990 Spanner 1/2" (12. 7) 504~616 4950~6030 Flaring opening nut 5/8" (15. 9) 630~770 6180~7540 Tubing tie-in 3/4"...
  • Page 108 R410a DC Inverter 60Hz Carrier service manual appear on the inner side of the pipe, and the pipe may easily get broken. 4) Ensure that the pipe does not sink during the bending process; ensure that the cross section of the bending pipe is larger than 2/3 of the original area, otherwise it cannot be used.
  • Page 109 Carrier service manual R410a DC Inverter 60Hz 3. Making Nitrogen-Charging Pipe Joint When welding the pipe joint, connect the nitrogen-charging joint to the pipe fittings to be welded. The nitrogen-charging joint is shown below: 4. Cautions for Welding Pipe Fittings 1) Adopt transition pipe.
  • Page 110 R410a DC Inverter 60Hz Carrier service manual brazing weld part copper pipe 1/4" valve decompress valve oxygen nitrogen copper pipe hign pressure flexible pipe copper pipe fittings nitrogen charging connecting fitting nitrogen gas cylinder 6. Highlight 1) Control the nitrogen pressure to be about 0.2-0.3kgf/cm² during the welding.
  • Page 111 Carrier service manual R410a DC Inverter 60Hz 1. Function: use pressure gas to flush pipeline (raw material or welded assembly) for eliminating dust, trash and moisture. Solid impurity is hard to be washed out, so special attention shall be drawn to the protection of copper pipeline during construction.
  • Page 112 R410a DC Inverter 60Hz Carrier service manual 3. During flushing, place a piece of white cotton at the pipe opening for checking, and you shall find some humidity occasionally. Way of thoroughly drying pipeline is as follows: 1) Making use of nitrogen gas to flush the inner part of pipe until no dirt and humidity.
  • Page 113 Carrier service manual R410a DC Inverter 60Hz 3.2. Air Tight Test 3.2.1 Purpose and operation procedure of air tightness test 3.2.1.1 Purpose Search leak source, make sure there is no leakage in system to prevent system fault due to leakage of refrigerant.
  • Page 114 R410a DC Inverter 60Hz Carrier service manual 4) Detection by use of halogen leak detector Using halogen leak detector when finding out pressure drop but not finding the leak source. a. Keep nitrogen at 3.0kgf/cm b. Supplement refrigerant to 5.0kgf/cm c.
  • Page 115 Carrier service manual R410a DC Inverter 60Hz operation. At this moment, different oils will mix, which induce the refrigerant circulating system to malfunction, so it is recommended to use one-way valve to prevent reverse flow of oil in vacuum pump.
  • Page 116 R410a DC Inverter 60Hz Carrier service manual It is qualified when vacuum degree is under -755mmHg; if the vacuum degree is still above -755mmHg within 2 hours drying, please repeat the procedures of “vacuum damage---vacuum drying”. d. Vacuum placement test: when the vacuum degree reaches -755mmH, keep rest for 1 hour. If the indicator of vacuum gauge does not go up, it is qualified.
  • Page 117 Carrier service manual R410a DC Inverter 60Hz 3.4. Recharge Refrigerant 3.4.1 Operation procedure for recharging refrigerant 3.4.1.1 Operation procedure Calculate the required refrigerant volume by the length of liquid pipe → recharging refrigerant. ※ The refrigerant volume from factory does not include the recharged amount of the pipeline extending.

  • Page 118: Drainage Pipe Engineering

    R410a DC Inverter 60Hz Carrier service manual 4. Drainage Pipe Engineering 4.1 Installation Highlights of Drainage Pipe 4.1.1 Installation principle of drainage pipe: 1) Slope; 2) reasonable pipe diameter; 3) nearby discharge 4.1.2 Installation highlights of drainage pipe: 1. Before installing condensate water pipeline, determine its route and elevation to avoid intersection with other pipelines and ensure slope is smooth and straight.
  • Page 119 Carrier service manual R410a DC Inverter 60Hz plastics adhesive tape. The width of the adhesive tape shall not be less than 50mm to ensure fastness and prevent condensation. 7. The drainage pipe of air conditioner shall be installed separately with other waste pipe, rainwater pipe and other drainage pipe in building.
  • Page 120 R410a DC Inverter 60Hz Carrier service manual pipe must be equipped with water storing elbow. Function of water storing elbow: When indoor unit is in motion, prevent generating negative pressure to cause drainage difficulty or blow water out of the air outlet.
  • Page 121 Carrier service manual R410a DC Inverter 60Hz 1) Increase drainage point as much as possible and reduce quantity of connected indoor units, to ensure horizontal main drainage pipe not be too long. 2) Units with drainage pump and natural drainage shall converge to different drainage system separately.
  • Page 122 R410a DC Inverter 60Hz Carrier service manual 2) Power on and let the air conditioner operate for cooling. Check operation status of drainage pump, and then turn on water level switch, check operation sound of pump and observe transparent hard pipe at drainage outlet to confirm whether it can discharge water.

  • Page 123: Duct Engineering

    Carrier service manual R410a DC Inverter 60Hz 5. Duct Engineering 5.1 Fabrication of Duct 1. The material, specification, performance and thickness of metal duct should be in accordance with the relevant regulations of present National Products Standard. The thickness of steel sheet or galvanized...
  • Page 124 R410a DC Inverter 60Hz Carrier service manual 5) When improving the strength of duct flange position by adopting reinforcement method, the applied condition corresponding to flange specification could be extended. 2. Connection of nonmetallic duct Specification of flange should be in accordance with standard, gap of bolt hole should be no more than 393.6ft(120m).

  • Page 125: Heat Insulation Engineering

    Carrier service manual R410a DC Inverter 60Hz 6. Heat Insulation Engineering The insulation of refrigerating equipment and pipe is carried out through general insulation method, which binding the equipment and pipe with solid multi-hole insulation material and exploiting proper wet-proof and protection measures, called insulation structure. The form of insulation structure shall be different in light of different insulation materials.
  • Page 126 R410a DC Inverter 60Hz Carrier service manual Note: After gas pipe and liquid pipe are carried out heat insulation separately, bind with tape. If it is bound over tightly, the spliced insulation joint shall be damaged. b. The surrounding of pipe connecting section shall be carried out insulation entirely.
  • Page 127 Carrier service manual R410a DC Inverter 60Hz 6.3 Insulation of Duct I. Insulation of duct 1) Insulation of duct parts and equipment should be conducted after confirming that the leakage test and quality of duct is qualified. 2) Usually making use of centrifugal glass cotton, rubber/plastic material or other late-model insulation duct to conduct insulation.

  • Page 128: Electrical Engineering

    R410a DC Inverter 60Hz Carrier service manual 7. Electrical Engineering 7.1 Wiring terminals instruction Outdoor units Indoor units Network Indoor units Outdoor units centralized centralized accounting communication communication Three-phase power supply monitoring contros 7.2 Power supply wiring installation 7.2.1 Outdoor unit power supply wiring 7.2.2 Indoor unit power supply wiring...
  • Page 129 Carrier service manual R410a DC Inverter 60Hz The current value of combination unit is the total value of each basic model (refer to Units Combination Table in Part1) For example: 46HP=16HP+16HP+14HP Power current: MCA=54.6+54.6+54.6=163.8 TOCA=54.4+54.4+54.4=163.2 MFA=60+60+60=180 Compressor: RLA=(35.5+21.1)+ (35.5+21.1)+ (35.5+21.1)=169.8 OFM: FLA=3.4...
  • Page 130 R410a DC Inverter 60Hz Carrier service manual Outdoor unit Outdoor unit Outdoor unit Outdoor unit (master unit) (slave unit) (slave unit) (slave unit) All shield terminals of shield wires should connect to COMM terminal (P Q E) (H1 H2 E)
  • Page 131 Carrier service manual R410a DC Inverter 60Hz 7.3.3 Signal wire of centralized control Signal wire of centralized control When centralized control is needed, one CCM03 (central controller of indoor unit) can only control the indoor units which are in the same refrigerant system via the port X Y E of outdoor unit. Outdoor unit will automatically distribute the address to indoor units without any manual setting.

  • Page 132: Commissioning And Trial Running

    R410a DC Inverter 60Hz Carrier service manual 8. Commissioning and Trial Running 8.1 Work before Commissioning 8.1.1 Inspection and confirmation before Commissioning 1. Check and confirm that refrigeration pipe line and communication wire with indoor and outdoor unit have been connected to the same refrigeration system. Otherwise, operation troubles shall happen.
  • Page 133 Carrier service manual R410a DC Inverter 60Hz 5) Check whether microcomputer controller can be in motion normally and whether any trouble appears. 6) Check whether operating current is within the allowed range. 7) Check whether each operating parameter is within the range permitted by the equipment.
  • Page 134 R410a DC Inverter 60Hz Carrier service manual Commissioning Report for Carrier Pro System Date: Item name: Address: Tel: Supplier: Delivery date: dd mm yy Installation section: Principal: Commissioning section: Principal: Remark: recharged refrigeration quantity to system: Name of refrigerant: (R22, R407C, R410A)
  • Page 135 Carrier service manual R410a DC Inverter 60Hz Test Data for Test Run of __________System Model of outdoor unit Production series no. Operation data of outdoor unit (Cooling) Unit No.1 No.2 No.3 Run Voltage V Total current of run A Operation current of compressor A...
  • Page 136 R410a DC Inverter 60Hz Carrier service manual System parameter SW2: (CHECK)――Used to query outdoor unit data. Check point sequence and corresponding actuality is as follows: Display Display Display content Note Display content Remark code code Discharge pressure corresponding to the...
  • Page 137 Carrier service manual R410a DC Inverter 60Hz Discharge Temperature Display code 8.8.8 The last error or 15-- of Inverter compressor Actual value 32-- if there is no protection error/protection 16-- Heat sink temperature Actual value 33-- Check end Note: When operation of system lasts 1 hour and stays stable, press checkup button on main control board of outdoor master unit, query one by one and fill out the above table according to facts.

  • Page 138: Part 5 Troubleshooting

    R410A DC Inverter Series Carrier service manual Part 5 Troubleshooting 1. Outdoor electric control box assembly instructions ...157 2. Main control board instructions..........158 3. Error code table...............163 4. Troubleshooting ..............164 Troubleshooting...
  • Page 139 Carrier service manual R410A DC Inverter Series 1. Outdoor electric control box assembly instructions 8/10HP Content Content Power drive mounting plate ass’y Filter board ass’y Inverter module Reactance Three phase bridge Contactor Common mode choke Transformer Power module ass’y Main control board ass’y Fan module radiator ass’y...
  • Page 140 R410A DC Inverter Series Carrier service manual 2. Main control board instructions 2.1 PCB ports instruction 30 29 28 25 24 23 22 Outdoor address dial switch ENC1 ENC3 S12 S3 ENC2 Query button Outdoor power dial switch Forced cooling...
  • Page 141 Carrier service manual R410A DC Inverter Series 2.2 SW2 query instructions Content Note Address of outdoor unit 0,1,2,3 Capacity of outdoor unit 8,10,12,14,16 Quantity of Modular outdoor unit Available for main unit Quantity setting of indoor units Available for main unit...
  • Page 142 R410A DC Inverter Series Carrier service manual 2.3 Dial codes definition S1: starting up time setting Starting time is set about 10 minutes Starting time is set about 12 minutes(default) S2: night silent time selection Night time selection is Night time selection is...
  • Page 143 Carrier service manual R410A DC Inverter Series S10: reserved ENC1: Outdoor unit address setting switch ENC1 0 indicates the master unit, 1-3 indicate slave unit. ENC2: Outdoor unit capacity setting switch ENC2 Effect to 0-5, 0-5 stand for 8HP-18HP. ENC3 and S12:...
  • Page 144 R410A DC Inverter Series Carrier service manual 2.4 LED on PCB instructions LED5 LED3 LED2 LED1 LED4 ENC1 ENC3 S12 S3 ENC2 LED7 LED6 ENC4 LED1: Power supply indicator lamp. The lamp will be on if the power supply is normal.
  • Page 145 Carrier service manual R410A DC Inverter Series 3. Error code table Error code Content Note Only display on faulty slave unit, all the ODU in Communication error between outdoor units standby 20 minutes after first power on or indoor and...
  • Page 146 R410A DC Inverter Series Carrier service manual 4. Troubleshooting 4.1 E0: Communication error between outdoor units (Only display on faulty slave unit, all the ODU in standby) E0: Communication error between outdoor units ODU addresses (ENC1) are set incorrectly (the...
  • Page 147 Carrier service manual R410A DC Inverter Series 4.2 E2: Indoor units and master unit communication error (Only display on master unit, all the ODU in standby) E2: Indoor units and master unit communication error Communication wires P, Q, E are short...
  • Page 148 R410A DC Inverter Series Carrier service manual Note: 1. Press the manual button on display board of indoor unit for 5 seconds, the communication address code of indoor unit will display; Codes are as follows: Indicator light Operation Timer DEF./FAN...
  • Page 149 Carrier service manual R410A DC Inverter Series For example Pressing continued the manual button for 10 seconds:  If all the LED lights turn off, that means the capacity code is 0 and the capacity of indoor units is 22×100W(0.8HP);...
  • Page 150 R410A DC Inverter Series Carrier service manual 4.3 E4: Ambient temperature sensor (T4) error/ (Display on faulty unit, all the ODU in standby) E4: Ambient temperature sensor (T4) error Connecting wire between sensor and main control board Fasten the connecting port...
  • Page 151 Carrier service manual R410A DC Inverter Series 4.4 E5: Voltage error (Display on faulty unit, others in standby) E5: Voltage error Voltage of power supply is too high or too low (the normal voltage between Provide normal power supply L1 and L2 (L1 and L3, L2 and L3) should be 165V~255V) Check the high voltage circuit.
  • Page 152 R410A DC Inverter Series Carrier service manual 4.5 E7: Discharge temperature sensor error (Display on faulty unit, all the ODU in standby) E7: Discharge temperature sensor error The sensor port on main control Fasten the connecting board is loosen port...
  • Page 153 Carrier service manual R410A DC Inverter Series 4.7 xH0/H1 xH0: Communication error between DSP and the main chip (Display on faulty unit, all the ODU in standby H1: Communication error between 0537 and main chip (Display on faulty unit, all the ODU in standby) IR341 chip: IR 341chip is used for inverter compressor drive.
  • Page 154 R410A DC Inverter Series Carrier service manual 4.8 H2/H3 H2: Quantity of outdoor units decrease error (Only display on master unit, all the ODU in standby) H3: Quantity of outdoor units increase error (Only display on master unit, all the ODU in standby)
  • Page 155 Carrier service manual R410A DC Inverter Series 4.9 H7: Quantity of indoor units decrease error (Only display on master unit, all the ODU in standby) “H7” error will display when the quantity of indoor units decrease above 3 minutes. H7: Quantity of indoor units...
  • Page 156 R410A DC Inverter Series Carrier service manual 4.10 P0/P4/H6: High temperature protection (Display on faulty unit, all the ODU in standby) P0: Top temperature protection of inverter compressor When the top temperature is over 120℃, the operation will stop, when the temperature goes back to normal range, P0 disappear and normal operation resumes.
  • Page 157 Carrier service manual R410A DC Inverter Series 4.11 P1: High pressure protection (Display on faulty unit, all the ODU in standby) When the pressure is over 4.4MPa, the system will display P1 protection, all the ODU in standby. When the pressure is lower than 3.2MPa, P1 disappears and normal operation resumes.
  • Page 158 R410A DC Inverter Series Carrier service manual 4.12 P2/H5: Low pressure protection (Display on faulty unit, all the ODU in standby) When the pressure is lower than 0.05MPa, the system will display P2 protection, all the ODU in standby. When the pressure is higher than 0.15MPa, P2 disappear and resumes normal operation.
  • Page 159 Carrier service manual R410A DC Inverter Series 4.13 xP3: Compressor current protection (Display on faulty unit, all the ODU in standby) P3: Current protection of inverter compressor When the current of inverter compressor is too high (E655＞35A，E405＞20A), the system will display P3 protection, all the ODU in standby.
  • Page 160 R410A DC Inverter Series Carrier service manual 4.14 P5: Condenser temperature T3 protection (Display on faulty unit, all the ODU in standby) When condenser temperature is over 65℃, the system will display P5 protection, all the ODU in standby. When the temperature goes back to normal range, P5 disappear and normal operation resumes.
  • Page 161 Carrier service manual R410A DC Inverter Series 4.15 xP6/xH4: Inverter module protection (Display on faulty unit, all the ODU in standby) If the system occurs three times P6 protection in 60 minutes, the system will stop and display H4 error code.
  • Page 162 R410A DC Inverter Series Carrier service manual DC generatrix check Direction of the current in DC supply wire is running through the inductor should be the same as the direction of arrow marked on the inductor 1) Check the voltage of DC generatrix, the normal value should be 270 to 360V. If the value is less than 270V, go to next step.
  • Page 163 Carrier service manual R410A DC Inverter Series 4.15.1 xL0/xL8/xL9 troubleshooting Step 1: Replace the modular with correctly wire connection and start the system, if system is still malfunction, then go to step 2 to check the compressor. Step 2: Take out the compressor from the malfunction system, short-circuit the suction and the discharge, vacuum dry and charge 0.3kg~0.4kg R410A, and then connect the U,V,W terminals to control box B which is...
  • Page 164 R410A DC Inverter Series Carrier service manual Step 2: Check whether the wires of rectifier circuit are loose or not. If wires are loosen, fasten the wires. If wires are OK, replace the PCB. 3-Phase rectifier stack Filter board Troubleshooting...
  • Page 165 Carrier service manual R410A DC Inverter Series 4.15.3 xL2 troubleshooting Step 1: check the DC voltage between P and N terminal, the normal value should be 270V~360, if it is normal, please go to step 2, or else go to step 3.
  • Page 166 R410A DC Inverter Series Carrier service manual 4.16 xP9/xH9: Fan module protection (Display on faulty unit, all the ODU in standby) If the system display three times P9 protection in 60 minutes, the system will stop and display H9 error code.
  • Page 167 Carrier service manual R410A DC Inverter Series P9 protection analysis Fault indicator Power supply Digital Conditions lamp of fan indicator lamp tube Malfunction analysis module of fan module display Check the power supply circuit for fan module. Quantity Check whether there has power supply for lightning...
  • Page 168 R410A DC Inverter Series Carrier service manual Attached table 1: Resistance value of ambient temperature and pipe temperature sensor Temperature Resistance Temperature Resistance Temperature Resistance Temperature Resistance value (kΩ) value (kΩ) value (kΩ) value (kΩ) (℃) (℃) (℃) (℃) 115.266 12.6431...
  • Page 169 Carrier service manual R410A DC Inverter Series Attached table 2: Resistance value of compressor discharge temperature sensor Temperature Resistance Temperature Resistance Temperature Resistance Temperature Resistance value (kΩ) value (kΩ) value (kΩ) value (kΩ) (℃) (℃) (℃) (℃) 542.7 68.66 13.59 3.702...
  • Page 170 R410A DC Inverter Series Carrier service manual Attached table 3: Commissioning and operating parameters of refrigerant system Conditions 1: Make sure outdoor unit can detect all the indoor units, the quantity of indoor units display steadily and be equal to actual quantity of installed indoor units.

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