Green CM-C18 I Technical & Service Manual

Dc-inverter heat pump type indoor units
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Summary of Contents for Green CM-C18 I

  • Page 3: Safety Summary

    SAFETY SUMMARY IMPORTANT NOTICE ● We pursue a policy of continuing improvement in design and performance of products. The right is therefore reserved to vary specifications without notice. ● We cannot anticipate every possible circumstance that might involve a potential hazard. ●...
  • Page 4 ● If circuit breaker or fuse is often activated, stop the system and contact your service contractor. ● Check that the ground wire is securely connected. If the unit is not correctly grounded, it will lead to electric shock.Do not connect the ground wiring to gas piping, water piping, lightning conductor or ground wiring for telephone.
  • Page 5: Table Of Contents

    DC-Inverter Air Conditioner T echnical & Service Manual   Table of Contents 1. General ...............................1 1.1 Features..............................1 1.2 Product Lineup............................4 1.3 Nomenclature ............................4 1.4 Unit Installation ............................5 1.5 Working Range ............................5 1.6 Product Appearance ..........................6 2. Outlines and Dimensions ..........................11 2.1 Indoor Units ............................11 2.2 Outdoor Units............................16 3.
  • Page 6 1. General 1.1 Features Duct Type Air Conditioner Features Saving Installation Space  The indoor unit can be installed inside the ceiling conveniently. Optional Static Pressure  Optional ESP, a variety of optional installation methods. 24-hour Timer ON and OFF ...
  • Page 7: General

    Cassette Type Air Conditioner Features Saving Installation Space  The indoor unit can be installed inside the ceiling conveniently. 24-hour Timer ON and OFF  This Timer can be set to automatically turn the unit on or off within a 24-hour period. Mute Operation ...
  • Page 8 Ceiling & Floor Air Conditioner Features Saving Installation Space  The indoor unit’s height is only 230mm, so it can be installed inside the ceiling conveniently. Flexible Installation Options  According to the actual installation space, the indoor unit can be installed in the ceiling or on the floor.
  • Page 10: Product Lineup

    1. GENERAL 1.4 Unit installation 1:1 system is the only compatible combination. (Only 1 indoor unit can be connected with 1 outdoor unit.) 1.5 Working range Power Supply Working Voltage 198V ~ 253V(Single phase 18K~36K), 342V ~ 438V(Three phase 48K~60K) Voltage Imbalance Within a 3% deviation from each voltage at the main terminal of outdoor unit Starting Voltage...
  • Page 14 1. GENERAL Display panel Duct type Cassette type Ceiling & Floor type...
  • Page 15 When the unit is off, press this switch to start auto operation. If it is pressed for more than 5s, the unit will operate in cooling mode. 3 Timer indicator (Green) It lights up when timer is in use. It stops lighting when timer ends.
  • Page 16: Outlines And Dimensions

    2. OUTLINES AND DIMENSIONS 2. Outlines and dimensions 2.1 Indoor units Duct Unit:mm Air outlet Air inlet Gas pipe Liquid pipe Air outlet Drain pipe Electric box Air inlet Model ( Btu/h) 1231 1180 1019 1056...
  • Page 17 2. OUTLINES AND DIMENSIONS Unit:mm...
  • Page 18 2. OUTLINES AND DIMENSIONS 36~60K Unit: (mm) 1338 Air outlet 1450 1400 Air inlet Drain pipe Gas pipe Liquid pipe Electric box Air outlet 1349 Air inlet...
  • Page 19 2. OUTLINES AND DIMENSIONS Unit:mm Cassette 2 8 邸 5 - - v, V .80 , . . . . . . . . . , . 宁 宁 · ` 气 . . 八 Air out let Air outlet Air inlet Di sp I ay pane I 2 18...
  • Page 20 2. OUTLINES AND DIMENSIONS 24K~60K Unit:mm Unit:mm Model(Btu/h) 36K/48K/60K...
  • Page 21 2. OUTLINES AND DIMENSIONS Ceiling & Floor Unit:mm Gas pipe Liquid pipe Drain pipe Display panel Air outlet Air outlet Air inlet Electric box Air inlet 66 88 Model 18K/24K 1445 1580 1502 36K/48K/60K...
  • Page 22: Outdoor Units

    2. OUTLINES AND DIMENSIONS 2.2 Outdoor units Unit : mm...
  • Page 23 2. OUTLINES AND DIMENSIONS Unit:mm Electric box Liquid pipe Gas pipe Air inlet Drain pipe 4-11x17 Hole Air outlet...
  • Page 24 2. OUTLINES AND DIMENSIONS Unit:mm...
  • Page 25 2. OUTLINES AND DIMENSIONS Unit:mm 48K/60K Electric box Air inlet Drain pipe Air outlet...
  • Page 26: Electrical Data

    3. ELECTRICAL DATA 3. Electrical data Power supply Applicable Voltage Nominal Outdoor unit Nominal Sensitive Frequency Umin Current Current Voltage(V) Umax (V) (Hz) (mA) single-phase 18K/24K 220-240~ single-phase 220-240~ Three-phase 380-415~ Three-phase 380-415~ NOTE: 1. The above compressor data is based on 100% capacity combination of indoor units at the rated operating frequency.
  • Page 27: Capacities And Selection Data

    4. CAPACITIES AND SELECTION DATA The following charts show the characteristics of outdoor unit capacity, which corresponds with the operating ambient temperature of outdoor unit. Conditions: ① Pipe length / height difference: 5m / 0m ②Indoor fan speed at high fan speed ③ Capacity loss due to white frost and defrost operation is not included. Cassette 18K PERFORMANCE DATA (Cooling Operation at Rated Frequency) ACT-18UR4SSAC5...
  • Page 28 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) ACT-18UR4SSAC5 CAPACITY: 5.0 kW SHF: 0.75 INPUT: 1755 W OUTDOOR DB (°C) (°C) (°C) SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT...
  • Page 29 4. CAPACITIES AND SELECTION DATA The following charts show the characteristics of outdoor unit capacity, which corresponds with the operating ambient temperature of outdoor unit. Conditions: ① Pipe length / height difference: 5m / 0m ②Indoor fan speed at high fan speed ③ Capacity loss due to white frost and defrost operation is not included. PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUC-24UR4SJJC5 CAPACITY: 7.0 kW SHF: 0.75 INPUT: 2320 W...
  • Page 30 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUC-24UR4SJJC5 CAPACITY: 7.0 kW SHF: 0.75 INPUT: 2320 W OUTDOOR DB (°C) (°C) (°C) Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT...
  • Page 31 4. CAPACITIES AND SELECTION DAA The following charts show the characteristics of outdoor unit capacity, which corresponds with the operating ambient temperature of outdoor unit. Conditions: ② Pipe length / height difference: 5m / 0m ②Indoor fan speed at high fan speed ③ Capacity loss due to white frost and defrost operation is not included. PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUC-36UR4SKKC5 CAPACITY: 10.0 kW SHF: 0.75 INPUT: 3690 W...
  • Page 32 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUC-36UR4SKKC5 CAPACITY: 10.0 kW SHF: 0.75 INPUT: 3690 W OUTDOOR DB (°C) (°C) (°C) Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT...
  • Page 33 4. CAPACITIES AND SELECTION DATA The following charts show the characteristics of outdoor unit capacity, which corresponds with the operating ambient temperature of outdoor unit. Conditions: ③ Pipe length / height difference: 5m / 0m ②Indoor fan speed at high fan speed ③ Capacity loss due to white frost and defrost operation is not included. PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUC-48UR6SNKC5 CAPACITY: 13.5 kW SHF: 0.75 INPUT: 5625W...
  • Page 34 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUC-48UR6SNKC5 CAPACITY: 13.5 kW SHF: 0.75 INPUT: 5625W OUTDOOR DB (°C) (°C) (°C) Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT...
  • Page 35 4. CAPACITIES AND SELECTION DATA The following charts show the characteristics of outdoor unit capacity, which corresponds with the operating ambient temperature of outdoor unit. Conditions: ④ Pipe length / height difference: 5m / 0m ②Indoor fan speed at high fan speed ③ Capacity loss due to white frost and defrost operation is not included. PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUC-60UR6SNKC5 CAPACITY: 15.5 kW SHF: 0.75 INPUT: 6460 W...
  • Page 36 4. CAPACITIES AND SELECTION DATA 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUC-60UR6SNKC5 CAPACITY: 15.5 kW SHF: 0.75 INPUT: 6460 W OUTDOOR DB (°C) (°C) (°C) SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT...
  • Page 37 4. CAPACITIES AND SELECTION DATA ① Pipe length / height difference: 5m / 0m ②Indoor fan speed at high fan speed ③ Capacity loss due to white frost and defrost operation is not included. Ceiling & Floor 18K PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUV-18UR4SSA5 CAPACITY: 5.0 kW SHF: 0.75 INPUT: 1550 W OUTDOOR DB (°C)
  • Page 38 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUV-18UR4SSA5 CAPACITY: 5.0 kW SHF: 0.75 INPUT: 1550 W OUTDOOR DB (°C) (°C) (°C) SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT...
  • Page 39 4. CAPACITIES AND SELECTION DATA The following charts show the characteristics of outdoor unit capacity, which corresponds with the operating ambient temperature of outdoor unit. Conditions: ⑤ Pipe length / height difference: 5m / 0m ②Indoor fan speed at high fan speed ③ Capacity loss due to white frost and defrost operation is not included. PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUV-24UR4SJA5 CAPACITY: 7.0 kW SHF: 0.75 INPUT: 2380 W...
  • Page 40 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUV-24UR4SJA5 CAPACITY: 7.0 kW SHF: 0.75 INPUT: 2380 W OUTDOOR DB (°C) (°C) (°C) Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT...
  • Page 41 4. CAPACITIES AND SELECTION DAA The following charts show the characteristics of outdoor unit capacity, which corresponds with the operating ambient temperature of outdoor unit. Conditions: ⑥ Pipe length / height difference: 5m / 0m ②Indoor fan speed at high fan speed ③ Capacity loss due to white frost and defrost operation is not included. PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUV-36UR4SKC5 CAPACITY: 9.5 kW SHF: 0.75 INPUT: 3505 W...
  • Page 42 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUV-36UR4SKC5 CAPACITY: 9.5 kW SHF: 0.75 INPUT: 3505 W OUTDOOR DB (°C) (°C) (°C) Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT...
  • Page 43 4. CAPACITIES AND SELECTION DATA The following charts show the characteristics of outdoor unit capacity, which corresponds with the operating ambient temperature of outdoor unit. Conditions: ⑦ Pipe length / height difference: 5m / 0m ②Indoor fan speed at high fan speed ③ Capacity loss due to white frost and defrost operation is not included. PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUV-48UR6SNC5 CAPACITY: 13.5 kW SHF: 0.75 INPUT: 5510 W...
  • Page 44 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUV-48UR6SNC5 CAPACITY: 13.5 kW SHF: 0.75 INPUT: 5510 W OUTDOOR DB (°C) (°C) (°C) Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT...
  • Page 45 4. CAPACITIES AND SELECTION DATA The following charts show the characteristics of outdoor unit capacity, which corresponds with the operating ambient temperature of outdoor unit. Conditions: ⑧ Pipe length / height difference: 5m / 0m ②Indoor fan speed at high fan speed ③ Capacity loss due to white frost and defrost operation is not included. PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUV-60UR6SNC5 CAPACITY: 15.5 kW SHF: 0.75 INPUT: 6330 W...
  • Page 46 4. CAPACITIES AND SELECTION DATA 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUV-60UR6SNC5 CAPACITY: 15.5 kW SHF: 0.75 INPUT: 6330 W OUTDOOR DB (°C) (°C) (°C) SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT...
  • Page 47 4. CAPACITIES AND SELECTION DATA The following charts show the characteristics of outdoor unit capacity, which corresponds with the operating ambient temperature of outdoor unit. Conditions: ⑨ Pipe length / height difference: 5m / 0m ②Indoor fan speed at high fan speed ③ Capacity loss due to white frost and defrost operation is not included. Ducted 18K PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUD-18UX4SSCL5...
  • Page 48 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUD-18UX4SSCL5 CAPACITY: 5.0 kW SHF: 0.75 INPUT: 1535 W OUTDOOR DB (°C) (°C) (°C) SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT...
  • Page 49 4. CAPACITIES AND SELECTION DATA The following charts show the characteristics of outdoor unit capacity, which corresponds with the operating ambient temperature of outdoor unit. Conditions: ⑩ Pipe length / height difference: 5m / 0m ②Indoor fan speed at high fan speed ③ Capacity loss due to white frost and defrost operation is not included. PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUD-24UX4SJLL5 CAPACITY: 7.0 kW SHF: 0.75 INPUT: 2215 W...
  • Page 50 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUD-24UX4SJLL5 CAPACITY: 7.0 kW SHF: 0.75 INPUT: 2215 W OUTDOOR DB (°C) (°C) (°C) Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT...
  • Page 51 4. CAPACITIES AND SELECTION DAA The following charts show the characteristics of outdoor unit capacity, which corresponds with the operating ambient temperature of outdoor unit. Conditions: Pipe length / height difference: 5m / 0m ②Indoor fan speed at high fan speed ③ Capacity loss due to white frost and defrost operation is not included. ⑪...
  • Page 52 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUD-36UX4SNEH5 CAPACITY: 10.0 kW SHF: 0.75 INPUT: 3575 W OUTDOOR DB (°C) (°C) (°C) SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT...
  • Page 53 4. CAPACITIES AND SELECTION DATA The following charts show the characteristics of outdoor unit capacity, which corresponds with the operating ambient temperature of outdoor unit. Conditions: Pipe length / height difference: 5m / 0m ②Indoor fan speed at high fan speed ③ Capacity loss due to white frost and defrost operation is not included. ⑫...
  • Page 54 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUD-48UX6SNEH5 CAPACITY: 13.5 kW SHF: 0.75 INPUT: 5400 W OUTDOOR DB (°C) (°C) (°C) Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT Q SHC SHF IPT...
  • Page 55 4. CAPACITIES AND SELECTION DATA The following charts show the characteristics of outdoor unit capacity, which corresponds with the operating ambient temperature of outdoor unit. Conditions: Pipe length / height difference: 5m / 0m ②Indoor fan speed at high fan speed ③ Capacity loss due to white frost and defrost operation is not included. ⑬...
  • Page 56 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Cooling Operation at Rated Frequency) AUD-60UX6SNEH5 CAPACITY: 15.5 kW SHF: 0.75 INPUT: 6330 W OUTDOOR DB (°C) (°C) (°C) SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT SHC SHF IPT...
  • Page 57 4. CAPACITIES AND SELECTION DATA Cassette PERFORMANCE DATA (Heating Operation at Rated Frequency) ACT-18UR4SSAC5 CAPACITY: 5.5kW INPUT: 1895 W OUTDOOR DB(℃) INDOOR DB(℃) INPUT INPUT INPUT INPUT INPUT INPUT INPUT INPUT 4.13 1566 4.84 1594 5.99 1632 6.05 1678 6.12 1718 6.19 1838...
  • Page 58 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Heating Operation at Rated Frequency) AUC-48UR6SNKC5 CAPACITY: 15.5kW INPUT: 5030 W OUTDOOR DB(℃) INDOOR DB(℃) INPUT INPUT INPUT INPUT INPUT INPUT INPUT INPUT 11.63 4158 13.64 4231 16.88 4332 17.05 4455 17.24 4560 17.44 4878 17.62...
  • Page 59 4. CAPACITIES AND SELECTION DATA Ceiling & Floor PERFORMANCE DATA (Heating Operation at Rated Frequency) AUV-18UR4SSA5 CAPACITY: 5.5kW INPUT: 1580 W OUTDOOR DB(℃) INDOOR DB(℃) INPUT INPUT INPUT INPUT INPUT INPUT INPUT INPUT 4.13 1306 4.84 1329 5.99 1361 6.05 1399 6.12 1432...
  • Page 60 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Heating Operation at Rated Frequency) AUV-48UR6SNC5 CAPACITY: 15.5kW INPUT: 5030 W OUTDOOR DB(℃) INDOOR DB(℃) INPUT INPUT INPUT INPUT INPUT INPUT INPUT INPUT 11.63 4158 13.64 4231 16.88 4332 17.05 4455 17.24 4560 17.44 4878 17.62...
  • Page 61 4. CAPACITIES AND SELECTION DATA Ducted PERFORMANCE DATA (Heating Operation at Rated Frequency) AUD-18UX4SSCL5 CAPACITY: 5.5kW INPUT: 1575 W OUTDOOR DB(℃) INDOOR DB(℃) INPUT INPUT INPUT INPUT INPUT INPUT INPUT INPUT 4.13 1302 4.84 1325 5.99 1356 6.05 1395 6.12 1428 6.19 1527...
  • Page 62 4. CAPACITIES AND SELECTION DATA PERFORMANCE DATA (Heating Operation at Rated Frequency) AUD-48UX6SNEH5 CAPACITY: 15.5kW INPUT: 4725 W OUTDOOR DB(℃) INDOOR DB(℃) INPUT INPUT INPUT INPUT INPUT INPUT INPUT INPUT 11.63 3906 13.64 3975 16.88 4069 17.05 4185 17.24 4284 17.44 4582 17.62...
  • Page 63: Piping Length Correction Factor

    4. CAPACITIES AND SELECTION 4.2 Piping length correction factor Pipe length L Indoor unit Height difference H Outdoor unit Max. Height Max. Pipe difference Model length (L) 30(m) 15(m) 24K~60K 50(m) 30(m) The correction factor is based on the equivalent piping length in meters (EL) and the height difference between outdoor and indoor units in meters (H).
  • Page 64 4. CAPACITIES AND SELECTION Heating EL Model 0.98 0.97 0.95 0.93 0.92 0.99 0.98 0.97 0.95 0.94 0.93 0.92 0.92 0.91 0.94 0.91 0.88 0.85 0.82 0.79 0.76 0.73 0.70 48K/60K 0.99 0.98 0.97 0.95 0.93 0.90 0.87 0.84 0.80 The correction factor of height between indoor unit and outdoor unit Height difference Factor...
  • Page 65: Correction Factors According To Defrosting Operation

    4. CAPACITIES AND SELECTION 4.3 C o orrection factors a according g to defro sting ope eration The heating capacity in the previous paragraph is given without consideration of the condition of defrosting operation period. In consideration of defrosting operation, the heating capacity is corrected with the equation below.
  • Page 66: Sound Pressure Data

    5 . S OUND PRESSURE DATA 5. Sound pressure data Indoor unit Duct Model Model Test condition Test condition 1.4m under the unit; 1.0m above the ground. 1.4m under the unit; 1.0m above the ground. NC-70 NC-70 NC-65 NC-65 M ed NC-60 NC-60 NC-55...
  • Page 67 5 . S OUND PRESSURE DATA Cassette Model Model Test condition 1.4m under the unit; 1.0m above the ground. Test condition 1.4m under the unit; 1.0m above the ground. NC-70 NC-70 NC-65 NC-65 NC-60 M ed NC-60 M ed NC-55 NC-55 NC-50 NC-50...
  • Page 68 5 . S OUND PRESSURE DATA Model 1.4m under the unit; 1.0m above the ground. Test condition Hi Med NC-70 NC-65 NC-60 NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 NC-15 Octave band center frequency(Hz)
  • Page 69 5 . S OUND PRESSURE DATA Ceiling & Floor Model Model 1.0m in front of the unit; 1.0m under Test condition 1.0m in front of the unit; 1.0m under Test condition the unit; 1.0m above the ground. the unit; 1.0m above the ground. NC-70 NC-70 Hi M ed...
  • Page 70 5 . S OUND PRESSURE DATA Model 1.0m in front of the unit; 1.0m under Test condition the unit; 1.0m above the ground. M ed NC-70 NC-65 NC-60 NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 NC-15 Octave band center frequency(Hz)
  • Page 71 5 . S OUND PRESSURE DATA Outdoor unit Model Model 1m in front of the unit; 0.89m above the bottom of 1m in front of the unit; 0.83m above the Test condition Test condition the unit; 1m above the ground. bottom of the unit.
  • Page 72 5 . S OUND PRESSURE DATA Model Test condition 1.0m in front of the unit; 1.2m above the bottom of the unit. NC-70 NC-65 NC-60 NC-55 NC-50 NC-45 NC-40 NC-35 NC-30 NC-25 NC-20 NC-15 Octave band center frequency(Hz)
  • Page 73: Air Flow Distribution

    6. AIR FLOW DISTRIBUTION 6.AIR FLOW DISTRIBUTION 1) Cooling/Air Velocity Distribution 2) Cooling/Air Temperature Distribution 3) Heating/Air Velocity Distribution 4) Heating/Air Temperature Distribution...
  • Page 74 6. AIR FLOW DISTRIBUTION 1) Cooling/Air Velocity Distribution 2) Cooling/Air Temperature Distribution 3) Heating/Air Velocity Distribution 4) Heating/Air Temperature Distribution...
  • Page 75 6. AIR FLOW DISTRIBUTION 1) Cooling/Air Velocity Distribution 2) Cooling/Air Temperature Distribution 3) Heating/Air Velocity Distribution 4) Heatling/Air Temperature Distribution...
  • Page 76 6. AIR FLOW DISTRIBUTION 1) Cooling/Air Velocity Distribution 2) Cooling/Air Temperature Distribution 3) Heating/Air Velocity Distribution 4) Heating/Air Temperature Distribution...
  • Page 77 6. AIR FLOW DISTRIBUTION 1) Cooling/Air Velocity Distribution 2) Cooling/Air Temperature Distribution 3) Heating/Air Velocity Distribution (Blowy angle: XX) 4) Heating/Air Temperature Distribution...
  • Page 78: Ceiling & Floor Type

    6. AIR FLOW DISTRIBUTION 6.2 Ceiling & Floor type 1) Ceiling installation/Cooling/Air Velocity Distribution 2) Ceiling installation/Cooling/Air Temperature Distribution 3) Ceiling installation/Heating/Air Velocity Distribution 4) Heating/Air Temperature Distribution...
  • Page 79 6. AIR FLOW DISTRIBUTION 5) Floor installation/Cooling/Air Velocity Distribution 6) Floor installation/Cooling/Air Temperature Distribution 7) Floor installation/Heating/Air Velocity Distribution 8) Floor installation/Heating/Air Temperature Distribution...
  • Page 80 6 AIR FLOW DISTRIBUTION 1) Ceiling installation/Cooling/Air Velocity Distribution 2) Ceiling installation/Cooling/Air Temperature Distribution 3) Ceiling installation/Heating/Air Velocity Distribution 4) Heating/Air Temperature Distribution...
  • Page 81 6. AIR FLOW DISTRIBUTION 5) Floor installation/Cooling/Air Velocity Distribution 6) Floor installation/Cooling/Air Temperature Distribution 7) Floor installation/Heating/Air Velocity Distribution 8) Floor installation/Heating/Air Temperature Distribution...
  • Page 82 6. AIR FLOW DISTRIBUTION 1) Ceiling installation/Cooling/Air Velocity Distribution 2) Ceiling installation/Cooling/Air Temperature Distribution 3) Ceiling installation/Heating/Air Velocity Distribution 4) Ceiling installation/Heating/Air Temperature Distribution...
  • Page 83 6. AIR FLOW DISTRIBUTION 5) Floor installation/Cooling/Air Velocity Distribution 6) Floor installation/Cooling/Air Temperature Distribution 7) Floor installation/Heating/Air Velocity Distribution 8) Floor installation/Heating/Air Temperature Distribution...
  • Page 84 6. AIR FLOW DISTRIBUTION 1) Ceiling installation/Cooling/Air Velocity Distribution 2) Ceiling installation/Cooling/Air Temperature Distribution 3) Ceiling installation/Heating/Air Velocity Distribution 4) Ceiling installation/Heating/Air Temperature Distribution...
  • Page 85 6. AIR FLOW DISTRIBUTION 5) Floor installation/Cooling/Air Velocity Distribution 6) Floor installation/Cooling/Air Temperature Distribution 7) Floor installation/Heating/Air Velocity Distribution 8) Floor installation/Heating/Air Temperature Distribution...
  • Page 86 6. AIR FLOW DISTRIBUTION 1) Ceiling installation/Cooling/Air Velocity Distribution 2) Ceiling installation/Cooling/Air Temperature Distribution 3) Ceiling installation/Heating/Air Velocity Distribution 4) Ceiling installation/Heating/Air Temperature Distribution...
  • Page 87 6. AIR FLOW DISTRIBUTION 5) Floor installation/Cooling/Air Velocity Distribution 6) Floor installation/Cooling/Air Temperature Distribution 7) Floor installation/Heating/Air Velocity Distribution 8) Floor installation/Heating/Air Temperature Distribution...
  • Page 88: Esp(External Static Pressure)Chart(Duct Type)

    7. ESP(EXTERNAL STATIC PRESSURE)CHART(DUCT TYPE)
  • Page 89 7. ESP(EXTERNAL STATIC PRESSURE)CHART(DUCT TYPE) Standard ESP Chart 35 Pa High Middle Rated Airflow rata (m /min) High ESP Chart 50 Pa limit High Rated Middle Airflow rata (m /min)
  • Page 90 7. ESP(EXTERNAL STATIC PRESSURE)CHART(DUCT TYPE) External static pressure 100 Pa limit High Middle Rated Airflow rate (m /min) High ESP Chart 200Pa High limit Rated Middle 80 80 40 40 Airflow rate (m /min)
  • Page 91 7 . ESP (EXTERNAL STATIC PRESSURE) CHART (DUCT TYPE) External static pressure 100Pa limit High Middle Rated Airflow rate (m /min) External static pressure 200Pa limit Rated High Middle Airflow rate (m /min)
  • Page 92 7. ESP (EXTERNAL STATIC PRESSURE) CHART (DUCT TYPE) External static pressure 100Pa limit High Middle Rated Airflow rate (m Airflow rate (m /min) /min) External static pressure 200Pa External static pressure 200Pa limit Rated High Middle Airflow rate (m /min)
  • Page 93: Refrigerant Cycle

    8. R EFRIGERANT CYCLE 8. Refrigerant cycle Indoor unit Cooling cycle Heating cycle List of components Hexagon nut Ambient temperature sensor Split capillary Coil temperature sensor Indoor heat exchanger...
  • Page 94 8. R EFRIGERANT CYCLE Outdoor unit 厂 — - 一 Cooling cycle Heating cycle —--. }「 个 』 言 ;「 L _____ -- ___ List of component names Ambient temperature sensor Stop valve ( Liquid ) Stop valve ( gas ) Outdoor heat exchanger Strainer 4-Way valve...
  • Page 95: Fresh Air Intake Function

    9 . F RESH AIR INTAKE FUNCTION 9. Fresh air intake function Duct (18K~60K) Indoor unit can take fresh air from the reserved fresh air intake, the size of the fresh air intake hole is Φ65mm(18KK), Φ125mm(24K). Please follow the steps below when needed. 1) Cut off the reserved metal circular hole on the base board.
  • Page 96 9 . F RESH AIR INTAKE FUNCTION Ceiling & Floor The floor ceiling indoor units are provided with fresh air function. Indoor unit can take the fresh air from the reserved fresh air intake, the size of the fresh air intake hole is Φ50(mm). Please follow the steps below when needed.
  • Page 97: Wiring Diagram

    10. WIRING DIAGRAM 10. Wiring diagram 10.1 Electrical wiring diagram Indoor unit Ceiling & Floor type (18K/24K) Electric wiring diagram 1822574.F Coil temperature sensor COIL DCFAN Room temperature sensor ROOM Step motor1 WATER STEP MOTOR Step motor2 Main board DISP Display board WIFI MODULE...
  • Page 98: Main Control Board

    10. WIRING DIAGRAM Ceiling & Floor type 36/48/60K Electric wiring diagram 1935698.D Display board Room temperature sensor Cn11 Swing motor ROOM Coil temperature sensor SWING CN12 COIL CN17 WATER Wire remote controller WIRED CON Pump motor Motor PUMP Main control board YEL/GRN WIFI CN19...
  • Page 99 10. WIRING DIAGRAM 10. Wiring diagram 10.1 Electrical wiring diagram Indoor unit Cassette type (18K) Electric wiring diagram 1822520.G Display board WIFI Room temperature sensor MODULE ROOM WIFI Coil temperature sensor COIL Water level switch Wired remote WATER controller Pump WIRED CON motor PUMP...
  • Page 100: Electrical Wiring Diagrams

    10. WIRING DIAGRAM 10. Wiring diagram 10.1 Electrical wiring diagrams Indoor unit Cassette type 24/36/48K/60K Electric wiring diagram 2198734, B X940 DISP X490 Display board SENSOR IR SENSOR DISP X400 Room temperature sensor Water level switch ROOM WATER X410 Coil temperature sensor COIL Wi-Fi X950...
  • Page 101 10. WIRING DIAGRAM Ducted type: 18K Electric wiring diagram 2267666. A Coil temperature sensor 厂 -- - - 厂 二 二o DC motor —————— 广 X940 厂___ Stepmotor2 DISP ————— Dlsplayboard ———— —— —— Main control 广 ------ 九妇 冲 」...
  • Page 102 10. WIRING DIAGRAM Ducted type: 24-60K Electric wiring diagram 1820992.H Coil temperature sensor COIL Room temperature sensor DCFAN ROOM DC motor Step motor1 Step motor2 STEP MOTOR DISP Display board Main control board Water level switch WATER Door input Wired remote ON/OFF input or Fire input OUT INPUT controller...
  • Page 103 10. WIRING DIAGRAM Outdoor unit 18K~36K Electric wiring diagram 2224063.B Remark: Dashed parts are not available in some models. Details see the table below. Overheat Display DC fan motor Chassis Inductor Inductor 4-Way valve Heating belt Indoor protector board earth heater Series units model...
  • Page 104 10. WIRING DIAGRAM Outdoor unit 48/60K Remark: Dashed parts are not available in some models. Details see the table below. 4-way Crankcase Outdoor Press DC fan motor valve heater unit switch 36K~48K ● ● ● ● --available part ●...
  • Page 105: Control Board Picture

    10. WIRING DIAGRAM 10.2 Control board picture Indoor unit Floor ceiling Description Description AC Power Filter Wi-Fi Main Control Component Code Wired Controller DC Motor Electric Heater Step Motor Pump Motor Temp. Sensor Swing Motor Out Input Water Level Switch Switching Power Supply Display Communication with outdoor unit...
  • Page 106 10. WIRING DIAGRAM 10.2 Control board picture Indoor unit Cassette type 1 2 3 4 5 6 7 Description Description Wi-Fi STEP IR SENSOR STEP Ambient temp. sensor HI-Nanoe Coil temp. sensor Wired controller Humidity sensor Pump Water level L/N/Si DISP Earth DISP...
  • Page 107 10. WIRING DIAGRAM 10.2 Control board picture Indoor unit Ducted Description Description N_IN Indoor coil temp. sensor L_IN Water level switch SI-IN Humidity sensor Fire coupling/Access interface Wi-Fi Display interface Wired controller Indoor coil temp. sensor...
  • Page 108 10. WIRING DIAGRAM Outdoor unit 18K24K/36K 5 6 7 8 16 15 Description Description 4-Way Valve Circuit and Interface EEPROM and EEPROM Circuit Communication Circuit and SI Wire Electronic Expansion Valve L、N Power input EEPROM Flashing Main Relay Ambient Temp Sensor Filter Electrolytic Capacitor Coil Temp Sensor Electric Reactor Wire...
  • Page 109 10. WIRING DIAGRAM Outdoor unit 48/60K...
  • Page 110: Common Wiring

    10. WIRING DIAGRAM 10.3 Common wiring Recommended Wire Size Power Source Transmitting Cable Size Cable Size Circuit Model Series Power Supply Breaker Nominal Nominal Sensitive Capacity Current Current EN60335-1*1 EN60335-1*1 (mA) 220-240V ~, 50Hz 3×2.5mm² 4×1.5mm² Single phase 220-240V ~, 50Hz 3×2.5mm 4×1.5mm 220-240V ~, 50Hz...
  • Page 111 10. WIRING DIAGRAM Selection According to EN60335-1 Current i(A) Wire Size(mm i≤6 0.75 6<i≤10 10<i≤16 16<i≤25 25<i≤32 32<i≤40 40<i≤63 63<i * In the case that current exceeds 63A, do not connect cables in series.
  • Page 112: Field Setting

    11. FIELD SETTING 11. Field setting 11.1 Indoor unit air flow DIP switch Change the air flow DIP switch to ON to limit the air flow direction. Steps: (1) Remove the front grille. (2) Switch the DIP switch on right side of the panel to ON. Air flow Switch setting...
  • Page 113: Outdoor Unit Dip Switch

    11.FIELD SETTING 11. Field setting 11.2 DIP setting DIP Switch Setting of Outdoor Unit(24K/36K/48K/60K) TURN ON all power sources before setting. Mark of " " indicates the position of DIP switches. 1. Force defrosting mode By default setting is OFF. OFF -- Automatic defrosting mode ON ---- Manual defrosting mode Operation is valid when the dial is switched from OFF to ON state.
  • Page 114 11. FIELD SETTING 3. Pump down mode (Refrigerant cycle recover) By default setting is OFF. OFF ----Normal mode. ON----Refrigerant recovery mode Operation is valid when dial is switched from OFF to ON state. OPERATION: When the outdoor unit runs in cooling mode, the dial is switched from OFF to ON, then it will start the refrigerant recovery mode at once.
  • Page 115: Esp Setting

    11. FIELD SETTING 11.3 ESP setting (Duct type only) During the installation, choose proper static pressure acoording to the actual conditions within the range below to meet the user's requirements. The static pressure can be freely adjusted by using specific wired remote controller. The Range Model Error Indicator...
  • Page 116: Indoor Unit Parameter Revision

    11. FIELD SETTING 11.4 Indoor unit parameter revision Internal control parameter adjustment can be performed using wired controller. 1) Connecting wired controller with the indoor unit Step 1: Remove the upper cover of the wired controller Upper cover of the wired controller Lower cover of the wired controller Insert a normal screw driver into the position, and gently rotate...
  • Page 117 11. FIELD SETTING PARAMETER VALUE&REPRESENTATION PARAMETER PARAMETER NOTE DATA REPRESENTATION CODE DESCRIPTION TYPE (FUNCTION CODE) 0:Cancel Self Recovery of Power Self Recovery of Break function; Integer Power Break 1:Self Recovery of Power Break; others:invalid 0:Centigrade Temperature; Temperature Type Integer 1:Fahrenheit Temperature; others:invalid 0:Default display set temperature;...
  • Page 118 11. FIELD SETTING PARAMETER VALUE&REPRESENTATION PARAMETER PARAMETER NOTE DATA REPRESENTATION CODE DESCRIPTION TYPE (FUNCTION CODE) = 0,Access control, fire protection functions are all invalid; =1,Access control1 function is valid; =2,fire protection function is valid; =3,Access control1, fire protection are Access control, fire all valid;...
  • Page 119: Running Parameter Query

    11. FIELD SETTING 11.5 Running Parameter Check Running parameter can be referred to by 7 segment display or specified wired remote controller. Check by wired controller Operation: 1. Connect wired controller with indoor unit (same method with Indoor unit parameter revision) 2.
  • Page 120 11. FIELD SETTING Parameter Code Parameter Description Indoor unit air inlet temperature Indoor unit coil sensor temperature Outdoor unit ambient sensor temperature Discharge temperature Suction temperature Outdoor coil temperature Discharge pressure Suction pressure Outdoor EEV opening AC current input AC voltage Error code Drive error code Indoor unit air outlet temperature...
  • Page 121: Instructions For The Function Setting Of Access Control, Fire Protection, On/Off

    11. FIELD SETTING 11.6 Instructions for the function setting of access control, fire protection, ON/OFF 11.6.1Factory setting In case of using or canceling the access control / fire protection function, use the wired controller to modify the parameters of indoor unit. NOTE: please refer to “Site Setting”...
  • Page 122 11. FIELD SETTING ● Access control Access control1: 1) Control of entrance card disconnection: The air conditioner shall be shut down after the access control signal is disconnected for 30 seconds. In this state, the indoor unit can’t be started. If the user performs starting operation, the wired controller shall not respond and displays power-off.
  • Page 123 11. FIELD SETTING ● ON/OFF1 1) In the situation where ON/OFF1 function is enabled, the port is closed and in short circuit, the indoor unit starts; the indoor unit shuts down once the port is disconnected; 2) Other operation information (such as mode, air speed, air door, and so on.) except for startup & shutdown can be set through the wired controller, remote-controller and WIFI module, priority is given to the latest command received.
  • Page 124: Piping Work And Refrigerant Charge

    12. PIPING WORK AND REFRIGERANT CHARGE ping work and re f f rigerant c c harge 12. Pi M M AX. leng g th allow e e d 12.1 Pipe length L Indoor unit Height difference H Outdoor unit Max. Height Add.
  • Page 125: Air Tight Test

    12. PIPING WORK AND REFRIGERANT CHARGE 12.3 Air tight test Do use nitrogen when performe air-tight test. Connect the gauge manifold using charging hoses with a nitrogen cylinder to the check joints of the liquid line and the gas line stop valves. Perform the air-tight test. Don't open the gas line stop valves.
  • Page 126: Additional Refrigerant Charge

    12. PIPING WORK AND REFRIGERANT CHARGE 12.4 Additional refrigerant charge Although refrigerant has been charged into this unit, additional refrigerant charge is required according to piping length. The additional refrigerant precharge quantity should be determined and charged into the system •...
  • Page 127: Installation Tools And Installation Flow Chart

    13. INSTALLATION TOOLS AND INSTALLATION FLOW CHART 13.1 Necessary tools and instrument list for installation Tool Tool Tool Tool Handsaw Copper Pipe Bender Spanner Leveler Phillips Clamper for Solder- Manual Water Pump Charging Cylinder Screwdriver less Terminals Hoist Vacuum Pump Pipe Cutter Gauge Manifold (for Indoor Unit)
  • Page 128: Installation Flow Chart

    13. INSTALLATION TOOLS AND INSTALLATION FLOW CHART 13.2 Installation flow chart Drawing audit Preparation before installation Confirm installation location of indoor unit and outdoor unit Indoor unit installation Refrigerant piping Drain piping Duct installation Electrical wiring installation installation Heat insultation Outdoor unit installation Vacuum pumping and leakage detection...
  • Page 129: Control Mode

    14. CONTROL MODE 14. Control mode 14.1 Indoor unit mode control 1. Main general technical parameters (1) Remote receiver distance: 8 m. (2) Remote receiver angle: Less than 80 degrees. (3) Temperature control accuracy: ±1℃. (4) Time error: Less than 1%. 2.
  • Page 130 14. CONTROL MODE Sleep (1) In the heating, cooling or dehumidifying mode, press the “Sleep” button on the remote controller to start or cancel the sleep function in turn, and at the same time the sleep icon on the display screen will be on or off accordingly.
  • Page 131 14. CONTROL MODE 2.10 Fault code The fault code can be shown by LED lamps or will display on the wired controller. 2.11 Filter cleaning FC will light up when air filter is clogged with dust. How to set/cancel: It can be set /cancelled with the wired remote controller. For details, see internal control parameter adjustment.
  • Page 132: Outdoor Unit Mode Control

    14. CONTROL MODE 14.2 Outdoor unit mode control Control function 1. Cooling anti-freeze protection The indoor coil sensor functions as real time temperature detector of evaporator. It prevents the indoor unit evaporator temperature becoming too low. If the indoor coil temperature is too low, the compressor will automatically start the protection mode.
  • Page 133: Sensor Parameter

    15. SENSOR PARAMETER 15. Sensor parameter 1. THE PARAMETER OF OUTDOOR COMPRESSOR DISCHARGE TEMPERATURE SENSOR: =187.25K±6.3%;R =3.77K±2.5K;B0/100=3979K±1%) (R Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN)% DR(MAX)% T [℃ ] 908.2603 985.5274 1065.1210 -7.84 7.47 855.3955 927.6043 1001.9150...
  • Page 134 15. SENSOR PARAMETER T [℃ ] Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN)% DR(MAX)% 71.2227 75.3122 79.3848 -5.43 5.13 68.1036 71.9808 75.8414 -5.39 5.09 65.1373 68.8141 72.4746 -5.34 5.05 62.3155 65.8032 69.2746 -5.30 5.01 59.6306 62.9395 66.2324...
  • Page 135 15. SENSOR PARAMETER Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN)% DR(MAX)% T [℃ ] 8.0951 8.3705 8.6440 -3.29 3.16 7.8290 8.0926 8.3544 -3.26 3.13 7.5730 7.8252 8.0758 -3.22 3.10 7.3264 7.5679 7.8078 -3.19 3.07 7.0891 7.3202 7.5499...
  • Page 136 15. SENSOR PARAMETER 2. THE PARAMETER OF THE OTHER SENSOR IN INDOOR AND OUTDOOR UNIT: =15K±2%;B0/100=3450K±2%) (R T [℃ ] Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN)% DR(MAX)% 60.78 64.77 68.99 -6.16 6.12 57.75 61.36 65.16 -5.88...
  • Page 137 15. SENSOR PARAMETER T [℃ ] Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN)% DR(MAX)% 5.667 5.882 6.103 -3.66 3.62 5.449 5.664 5.886 -3.80 3.77 5.240 5.456 5.678 -3.96 3.91 5.048 5.260 5.478 -4.03 3.98 4.864 5.072 5.286...
  • Page 138 15. SENSOR PARAMETER T [℃ ] Rmin [ KΩ ] Rnom [ KΩ ] Rmax [ KΩ ] DR(MIN)% DR(MAX)% 0.8570 0.9246 0.9971 -7.31 7.27 0.8316 0.8977 0.9687 -7.36 7.33 0.8071 0.8717 0.9412 -7.41 7.38 0.7834 0.8466 0.9146 -7.47 7.43 0.7604 0.8223 0.8888...
  • Page 139: Troubleshooting

    16.TROUBLESHOOTING 16. Troubleshooting 16.1 Trouble guide Troubleshooting for Normal Malfunction Troubleshooting Possible Reason of Abnormality How to Deal With 1. Check power supply circuit; 2. Measure insulation resistance to 1. Power supply failure; ground to see if there is any 2.
  • Page 140 16.TROUBLESHOOTING Troubleshooting according to fault codes When the air conditioner failure occurs, the fault code will display on the control board, wired controller or display panel. How to check fault codes Indoor Unit (1) Fault codes indicated by wired controller MOEDL:YXC-A01U(E) When “FE”...
  • Page 141: Display Panel

    16.TROUBLESHOOTING (2) Fault codes indicated by LED lamps on display panel Lamp RUN (LED2, Red) and Lamp DEFROST (LED5, Green) flash. Lamp RUN displays fault code represented by 2- digit number, and lamp DEFROST displays fault code represented by single digit number (as shown fig. below). For example,fault code 36: LED RUN & defrost flash 3 times at the same time, and LED DEFROST continues flashing 3 times, it reports No.
  • Page 142: Outdoor Unit

    2. TROUBLESHOOTING Outdoor unit DC-Inverter unitary (Main control board upside-down) Fault code displayed by LED lamps on outdoor main control board. There are 3 LED lamps on control board, LED1, LED2 and LED3. LED1 indicates fault code represented by 2-digit number, LED2 indicates fault code represented by single digit number and LED3 indicates outdoor drive control fault.
  • Page 143 16.TROUBLESHOOTING For example, outdoor main control fault 32: For example, outdoor drive fault 32:...
  • Page 144: Fault Codes

    16.TROUBLESHOOTING 16.2 Fault codes The following is the fault code table of outdoor unit. Table 1 Outdoor fault code Fault Fault description Possible reasons for abnormality How to deal with Remarks code 1.Reconnect the outdoor 1.The outdoor ambient temperature ambient temperature sensor; Outdoor ambient sensor is connected loosely;...
  • Page 145 16.TROUBLESHOOTING Fault Fault description Possible reasons for abnormality How to deal with Remarks code Normal protection; Three-phase power is abnormal; Application of Check the wiring connection The outdoor wiring is connected three-phase Voltage absent phase referring to the wiring diagram; improperly;...
  • Page 146 16.TROUBLESHOOTING Fault Fault description Possible reasons for abnormality How to deal with Remarks code 1.The cable between the control 1.Reconnect the cable between board and the driver board is the control board and the connected loosely; driver board; IPM and control board 2.The cable between the control 2.Replace the communication communication fault...
  • Page 147 16.TROUBLESHOOTING The following is the fault code table of indoor unit. Table 2 Indoor fault code Fault How to deal with Remarks Fault description Possible reasons for abnormality code 1. Check whether there is something blocking the drain hose or the height of the drain hose is too high;...
  • Page 148 16.TROUBLESHOOTING Fault Fault description Possible reasons f or abnormality How to deal with Remarks code EE in MCU is fails, the unit Indoor EEPROM can run, but the function user Replace EE data in MCU. Data 2 fault has set is ineffective. 1.
  • Page 149 16.TROUBLESHOOTING NOTE 1: If the indoor unit can not start or the indoor unit stops itself after 30s, at the same time the unit does not display the fault code, please check the fire and the socket of the control board. NOTE 2: If the indoor unit displays the 75,76,77,78 fault code after you turn on the unit, please check the TEST seat of the indoor control board or the TEST detection circuit to see whether short circuit...
  • Page 150 16.TROUBLESHOOTING Table 3 Drive Fault code Fault Fault description How to deal with Possible reasons for abnormality code Inverter DC voltage overload fault 1. Power supply input is too high 1. Check the power supply; Inverter DC low voltage fault or too low;...
  • Page 151: Fault Description

    16.TROUBLESHOOTING Fault Fault description How to deal with Possible reasons for abnormality code 1. The fan motor system overloads; 1. Change the fan motor; Inverter software 2. The drive board falis; 2. Change the drive board; over-current 3. Change the fan motor. 3.
  • Page 152 16. TROUBLESHOOTING Table 5 Limitation code Definitions Descriptions Code When overcurrent occurs, stop the frequency from Current control increasing. When overcurrent occurs, reduce the frequency. Current control When the temperature of IPM module is too high, Frequency control to keep appropriate temperature stop the frequency from increasing.
  • Page 153: Checking Components

    17. CHECKING COMPONENTS 17. Checking components 17.1 Check refrigerant system TEST SYSTEM FLOW Conditions: ① Compressor is running. ② The air condition should be installed in good ventilation. Tool: Pressure Gauge Technique: ① see ② feel ③ test See ----- Tube defrost. Feel ----- The difference between temperature of tubes.
  • Page 154 17. CHECKING COMPONENTS Test system flow Cooling mode Test system pressure. The pressure on the Is the low pressure high side. normal at service part ? Recharge refrigerant after air purging with If the pressure is The pressure on the the vacuum close to static low side.
  • Page 155: Check Parts Unit

    17. CHECKING COMPONENTS 17.2 Check parts unit 1. Indoor unit fan motor Cassette motor model (DC motor) Duct motor model (DC motor) 18K: SIC-68CVL-F160-2 24K: ZW511B500061 24K:SIC-70CW-F195-1 36K/48K/60K:ZW511B500062 36K:ZW702B500021 Ceiling & Floor (DC motor) 18K/24K: SIC-70CW-F1100-6 36K/48K/60K:SIC-101CW-F1181-2 Cassette motor model (DC motor) 18K: ARW8901QH Test in resistance.
  • Page 156 17. CHECKING COMPONENTS 2. Outdoor unit fan motor DC motor 18K: ZKFN-40-8-33/TWZ40-A18 24K: ZW511A800002 36K: ZKFN-102-8-1 48K/60K: ZW511A800002/SIC-61FW-F160-3 3. Compressor COMPRESSOR EXAMINE AND REPAIR 18K: KTN150D53UFZ3 24K:KTM240D57UMT 36K: KTF310D43UMT 48K/60K: WHP15600GUKPC8DQC DC Inverter Power & Controller Compressor...
  • Page 157 17. CHECKING COMPONENTS Test in resistance. TOOL: Multi-meter. Test the resistance of the winding. The compressor fails if the resistance of winding is 0 (short circuit) or ∞ (open circuit). Familiar error: Compressor motor lock. Discharge pressure value approaches static pressure value . Compressor motor winding abnormality.
  • Page 158 17. CHECKING COMPONENTS NOTES: 1)Don’t put a compressor on its side or turn over. 2) Please assemble the compressor in your air conditioner rapidly after removing the plugs. Don’t place the compressor in air for a long time. 3)Avoid compressor running in reverse caused by connecting electrical wire incorrectly. 4)Warning! In case AC voltage is impressed to compressor, the compressor performance will decrease because of its rotor magnetic force decreasing.
  • Page 159: Disassembly And Assembly For Compressor And Motor

    18. DISASSEMBLY AND ASSEMBLY FOR COMPRESSOR AND MOTOR 18. Disassembly and assembly for compressor and motor The special tools for compressor & motor disassembly and assembly: Tool Hexagon Screwdriver Hexagon Socket Outdoor unit Important: Before disassembly and assembly, make sure that the power to the system has been disconnected and verified as voltage free.
  • Page 160: Handling Instruction

    18. DISASSEMBLY AND ASSEMBLY FOR COMPRESSOR AND MOTOR 18. Disassembly procedure Outdoor unit Disassembly and assembly for compressor and motor The special tools for compressor & motor disassembly and assembly: Important: Before disassembly and assembly, make sure that the power to the system has been disconnected and verified as voltage free.
  • Page 161 18. DISASSEMBLY AND ASSEMBLY FOR COMPRESSOR AND MOTOR Disassembly and assembly for compressor,motor and tube type electric heater Important: Before disassembly and assembly, make sure that the power to the system has been disconnected and verified as voltage free. Step Illustration Handling Instruction 1.
  • Page 162 18. DISASSEMBLY AND ASSEMBLY FOR COMPRESSOR AND MOTOR 48K/60K Important: Before disassembly and assembly, make sure that the power to the system has been disconnected and verified as voltage free. Step Illustration Handling Instruction 1. Remove the top cover, handle and valve cover;...
  • Page 163 18. DISASSEMBLY AND ASSEMBLY FOR COMPRESSOR AND MOTOR Ducted type Removal and Assembly of Fan Motor Important: Before removing the fan, make sure the power is off. Step Illustration Handling instruction Use screwdriver to remove the electric 1. Unplug the motor box cover and unplug the motor cables cables in electric box.
  • Page 164 18. DISASSEMBLY AND ASSEMBLY FOR COMPRESSOR AND MOTOR Removal and Assembly of Fan Motor Important: Before removing the fan, make sure the power is off. Step Illustration Handling instruction Use screwdriver to remove the 1. Unplug the motor electric box cover and unplug the cables.
  • Page 165: Disassembly Procedure

    18.DISASSEMBLY PROCEDURE 36K~60K Removal and Assembly of Fan Motor Important: Before removing the fan, make sure power to the system is disconnected. Step Illustration Handling Instruction Use screwdriver to remove the 1. Unplug the motor electric box cover and unplug the cables motor cables in electric box.
  • Page 166 18. DISASSEMBLY AND ASSEMBLY FOR COMPRESSOR AND MOTOR Disassembly and assembly for motor Compact Cassette type 18K Replacement of Fan Motor Step Illustration Handling Instruction 1. Loosen the screws holding Use screwdriver to loosen the screws condensate pan. holding the drain pan in place. 2.
  • Page 167 18. DISASSEMBLY AND ASSEMBLY FOR COMPRESSOR AND MOTOR Replacement of Fan Motor Step Illustration Handling Instruction 6. Remove the motor and Remove the motor and replace it. replace it 7. Tighten the bolts holding Use a wrench or socket to carefully the motor tighten the motor bolts.
  • Page 168 18. DISASSEMBLY AND ASSEMBLY FOR COMPRESSOR AND MOTOR Removal and Installation of Condensate Pump Step Illustration Handling Instruction Use screwdriver to loosen the 1. Loosen the screws holding screws holding the drain pan in condensate pan place. 2. Remove the condensate Carefully remove the condensate pan.
  • Page 169 18. DISASSEMBLY AND ASSEMBLY FOR COMPRESSOR AND MOTOR Removal and Installation of Condensate Pump Step Illustration Handling Instruction Use a screwdriver to tighten 6. Tighten the screws holding the screws holding the the condensate pump condensate pump in place. 7. Connect the condensate Connect the condensate pipe pipe Use a screwdriver to carefully...
  • Page 170: Cassette Type

    18. DISASSEMBLY AND ASSEMBLY FOR COMPRESSOR AND MOTOR Cassette type Removal and Assembly of Fan Motor Important: Before removing the fan, make sure the power is off. Step Illustration Handling instruction 1. Loosen the screws holding the Use screwdriver to loosen the electric box cover and electric Electric box.
  • Page 171 18. DISASSEMBLY AND ASSEMBLY FOR COMPRESSOR AND MOTOR Ceiling & Floor type Removal of the motor Step Illustration Handling Instruction Slide open the 4 decorative covers, loose and take out the 4 screws, then open the down front panel assembly. 1.
  • Page 172 18. DISASSEMBLY AND ASSEMBLY FOR COMPRESSOR AND MOTOR Removal of the motor Step Illustration Handling Instruction 4. Disassembly Remove the 2 screws fixing the motor of the motor shaft and fan blade by allen screwdriver. shaft Remove the fasteners between the up shell and the below shell;...
  • Page 173 18. DISASSEMBLY AND ASSEMBLY FOR COMPRESSOR AND MOTOR Removal of the motor Step Illustration Handling Instruction Remove the fasteners between the up shell and the below shell on both sides of the motor; 5. Disassembly Remove the 2 screws fixing the of the motor Crosshead and take it away from the motor;...
  • Page 174: Control Logic Description

    19. CONTORL LOGIC DESCRIPTION 19. Control Logic Description 19.1 Fan Only Mode (1) Outdoor fan and compressor stop. (2) Temperature setting function is disabled, and no set temperature is displayed. (3) Indoor fan can be set to high/medium/low, but can not be set to auto. 19.2 Cooling Mode Indoor fan running rules: In cooling mode, indoor fan runs all the time and the speed can be selected as...
  • Page 175 19. CONTORL LOGIC DESCRIPTION 19.3 Heating Mode Indoor fan running rules: In several minutes after the heating mode is started, the fan of the indoor unit will not run until the heat exchanger of the indoor unit reaches a high enough temperature. That is because cold air prevention system is operating.
  • Page 176: Auto Mode

    19. CONTORL LOGIC DESCRIPTION 19.4 Auto Mode This mode can be chosen with remote controller and the set temperature can be changed between 16~30℃. In auto mode, the unit will choose cooling, heating or fan-only mode according to ΔT (ΔT =T1-Ts). Running mode ΔT=T1-Ts Cooling...
  • Page 177 19. CONTORL LOGIC DESCRIPTION 19.6 Condenser High-temperature Protection DC-Inverter outdoor unit AC will enter T3 protection if any of the following conditions is satisfied. TE10 TE11 Condition1: Cooling mode: When the outdoor coil temp. T3 keeps higher than T2 for 10 seconds, the compressor and outdoor fan will shut off.
  • Page 179 Product improvement, specifications and appearance in this manual are subject to change without prior notice.

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