Master MOOVAIR 22023111000271 Service Manual

Air handler inverter

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SERVICE MANUAL

MOOVAIR MODEL

FMA18HIAHUU230X7

FMA24HIAHUU230X7

FMA30HIAHUU230X7

FMA36HIAHUU230X7

FMA48HIAHUU230X7

FMA60HIAHUU230X7

DMA18HOS20230E7

DMA24HOS20230E7

DMA30HOS20230E7

DMA36HOS20230E7

DMA48HOS20230E7

DMA60HOS20230E7

SRM_M_AHUFMA_0_ALLX_220526

FACTORY CODE

MVC-18HWFN1-M

MVC-24HWFN1-M

MVC-30HWFN1-M

MVC-36HWFN1-M

MVC-48HWFN1-M

MVC-60HWFN1-M

MOX430U-18HFN1-M

MOD30-24HFN1-MW

MOD30U-30HFN1-MR0(X)

MOE31U-36HFN1-M

MOE30U-48HFN1-M-[X1]

MOE30U-55HFN1-M

moovair.ca

PRODUCT CODE

22023111000271

22023111000250

22023111000270

22023111000251

22023111000272

22023111000252

22023116000162

22023116000161

22023116000163

22023116000164

22023116000141

22023116000281

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Summary of Contents for Master MOOVAIR 22023111000271

Page 1 SERVICE MANUAL MOOVAIR MODEL FACTORY CODE PRODUCT CODE FMA18HIAHUU230X7 MVC-18HWFN1-M 22023111000271 FMA24HIAHUU230X7 MVC-24HWFN1-M 22023111000250 FMA30HIAHUU230X7 MVC-30HWFN1-M 22023111000270 FMA36HIAHUU230X7 MVC-36HWFN1-M 22023111000251 FMA48HIAHUU230X7 MVC-48HWFN1-M 22023111000272 FMA60HIAHUU230X7 MVC-60HWFN1-M 22023111000252 DMA18HOS20230E7 MOX430U-18HFN1-M 22023116000162 DMA24HOS20230E7 MOD30-24HFN1-MW 22023116000161 DMA30HOS20230E7 MOD30U-30HFN1-MR0(X) 22023116000163 DMA36HOS20230E7 MOE31U-36HFN1-M 22023116000164 DMA48HOS20230E7 MOE30U-48HFN1-M-[X1] 22023116000141 DMA60HOS20230E7 MOE30U-55HFN1-M...
Page 2 SM_AHU(GA)_R410A_3D INV_US1_NB_2205 AIR HANDLER INVERTER SERIES SERVICE MANUAL...
Page 4 Table of Contents §. Safety Precautions Precautions Information servicing §. Model Reference & External Appearance Model Reference External Appearance §. Indoor Unit Indoor Unit - Air Handler Type §. Outdoor Unit Dimensional Drawings Service Space Capacity Correction Factor for Height Difference Noise Criterion Curves Refrigerant Cycle Diagrams Electrical Wiring Diagrams...
Page 5 Table of Contents §. Troubleshooting Safety Caution General Troubleshooting Outdoor Unit Point Check Function Information Inquiry Error Diagnosis and Troubleshooting Without Error Code Quick Maintenance by Error Code Troubleshooting by Error Code Check Procedures §. Indoor Unit Disassembly Indoor Unit - Air Handler Type §.
Page 7: Safety Precautions
Safety Precautions Contents Precautions ......................2 Information servicing(For flammable materials) ..........3...
Page 8: Operation And Maintenance
1. Precautions CAUTION • • To prevent personal injury, or property or unit damage, While unpacking be careful of sharp edges around adhere to all precautionary measures and instructions the unit as well as the edges of the fins on the con- denser and evaporator.
Page 9 2. Information servicing(For • Prior to work taking place, the area around the equipment is to be surveyed to make sure that there are no flammable flammable materials) hazards or ignition risks. • NO SMOKING signs shall be displayed. Checks to the area Ventilated area •...
Page 10 • that capacitors are discharged: this shall be done in shall also take into account the effects of aging or a safe manner to avoid possibility of sparking; continual vibration from sources such as compressors or fans. • that there no live electrical components and wiring are exposed while charging, recovering or purging 2.13 Detection of flammable refrigerants the system;...
Page 11: Charging Procedures
• The refrigerant charge shall be recovered into the • Before attempting the procedure ensure that: correct recovery cylinders. The system shall be flushed • mechanical handling equipment is available, if with OFN to render the unit safe. This process may required, for handling refrigerant cylinders;...
Page 12 • Empty recovery cylinders are evacuated and, if • The recovered refrigerant shall be returned to the possible, cooled before recovery occurs. refrigerant supplier in the correct recovery cylinder, and the relevant Waste Transfer Note arranged. Do not • The recovery equipment shall be in good working mix refrigerants in recovery units and especially not in order with a set of instructions concerning the cylinders.
Page 13: Model Reference
Model Reference Contents Model Reference ....................2 External Appearance .....................3...
Page 14 1. Model Reference Refer to the following table to determine the speciﬁc indoor and outdoor unit model number of your purchased equipment. Indoor Unit Model Outdoor Unit Model Capacity (Btu/h) Power Supply MOX330U-18HFN1-MR0 MVC-18HWFN1-M MOX430U-18HFN1-M MOD30-24HFN1-MW MVC-24HWFN1-M MOX430U-24HFN1-MR0 MOD30U-30HFN1-MR0 MVC-30HWFN1-M 1Ph, 208/230V~, MOD30U-30HFN1-MR0(X) 60Hz...
Page 15: External Appearance
2. External Appearance Indoor Unit Air handler Outdoor Unit Single Fan Outdoor Unit Double Fan Outdoor Unit   Model Reference...
Page 16: Table Of Contents
Indoor Unit-Air Handler Contents Feature........................2 Dimensional Drawings ..................3 Part names ......................4 Service Place ......................4 Accessories ......................5 Fan Performance ....................7 Capacity Tables ......................8 Noise Criterion Curves ..................42 Electrical Characteristics ..................44 Electrical Wiring Diagrams ..................46...
Page 17: Feature
1. Feature Full Multi-position installation • This AHU is capable of upflow, downflow, horizontal left, or horizontal right configurations. Installation Convenience • It simplifies the airflow volume adjustment process and saves lots of installation efforts. The traditional adjustment method needs the installers to manually set the motor speed, according to the installation instruction and ducting design.
Page 18: Dimensional Drawings
2. Dimensional Drawings Dimensions(mm) Drain hole Model Unit 1143 18k~24k inch 17-1/2 15-3/4 10-1/4 1245 Main Overflow 30k-48k drain drain inch 19-5/16 10-1/4 1346 inch 24-1/2 22-7/8 10-1/4   IDU-Air Handler 3...
Page 19: Part Names
3. Part names coil compartment (Access panel Removed) Upﬂow drain pan Horizontal drain pan 4. Service Place MINIMUM CLEARANCE OF 25.4mm/1″ALL SIDES FLEXIBLE DUCT COLLAR   IDU-Air Handler 4...
Page 20: Accessories
5. Accessories The air conditioning system comes with the following accessories. Use all of the installation parts and accessories to in- stall the air conditioner. Improper installation may result in water leakage, electrical shock and fire, or equipment failure. Name Shape Quantity Manual...
Page 21: Fan Performance
6. Fan Performance 0.148 External static pressure (in.w.c.) 0.1 0.148 0.2 External static pressure (in.w.c.   IDU-Air Handler 6...
Page 22 1000 0.1 0.148 0.2 External static pressure (in.w.c. 1200 1000 0.148 External static pressure (in.w.c.)   IDU-Air Handler 7...
Page 23 1600 1400 1200 1000 0.148 External static pressure (in.w.c.) 1800 1600 1400 1200 1000 0.148 External static pressure (in.w.c.)   IDU-Air Handler 8...
Page 24: Capacity Tables
7. Capacity Tables Cooling MVC-18HWFN1-M+MOX330-18HFN1-MR0 ID WB 60.8 64.4 66.2 71.6 INDOOR OUTDOOR AIR FLOW ID DB (CFM) 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 18.75 18.76 18.97 19.17 19.73 20.14 20.14 20.35 20.25...
Page 25 19.18 19.39 19.59 19.80 20.14 20.14 20.14 20.35 20.66 20.66 20.66 20.66 21.92 21.92 21.92 21.92 0.75 0.86 0.98 1.00 0.59 0.69 0.79 0.89 0.51 0.61 0.70 0.81 0.33 0.42 0.52 0.61 1.10 1.10 1.10 1.10 1.10 1.10 1.10 1.10 1.10 1.10 1.10...
Page 26 MVC-18HWFN1-M+MOX430U-18HFN1-M ID WB 60.8 64.4 66.2 71.6 INDOOR OUTDOOR AIR FLOW ID DB (CFM) 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 18.75 18.76 18.97 19.17 19.73 20.14 20.14 20.35 20.25 20.25 20.25 20.25 21.41...
Page 27 19.59 19.80 20.01 20.21 20.65 20.65 20.65 20.85 21.17 21.17 21.17 21.17 22.43 22.43 22.43 22.43 0.77 0.88 1.00 1.00 0.60 0.70 0.81 0.98 0.51 0.62 0.72 0.83 0.33 0.42 0.52 0.63 0.99 0.99 0.99 0.99 0.98 0.98 0.98 0.98 0.99 0.99 0.99...
Page 28 MVC-24HWFN1-M+MOX430U-24HFN1-MR0 ID WB 60.8 64.4 66.2 71.6 INDOOR OUTDOOR AIR FLOW ID DB (CFM) 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 25.08 25.06 25.26 25.47 26.37 26.89 26.89 27.20 27.07 27.07 27.07 27.07 28.66...
Page 29 26.20 26.50 26.81 27.12 27.50 27.50 27.50 27.81 28.20 28.20 28.20 28.20 29.97 29.97 29.97 29.97 0.76 0.88 1.00 1.00 0.60 0.70 0.81 0.98 0.51 0.62 0.72 0.83 0.33 0.42 0.52 0.62 1.47 1.47 1.47 1.47 1.47 1.47 1.47 1.47 1.47 1.47 1.47...
Page 30 MVC-24HWFN1-M+MOD30-24HFN1-MW ID WB 60.8 64.4 66.2 71.6 INDOOR OUTDOOR AIR FLOW ID DB (CFM) 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 25.08 25.06 25.26 25.47 26.37 26.89 26.89 27.20 27.07 27.07 27.07 27.07 28.66...
Page 31 26.20 26.50 26.81 27.12 27.50 27.50 27.50 27.81 28.20 28.20 28.20 28.20 29.97 29.97 29.97 29.97 0.76 0.88 1.00 1.00 0.60 0.70 0.81 0.98 0.51 0.62 0.72 0.83 0.33 0.42 0.52 0.62 1.34 1.34 1.34 1.34 1.33 1.33 1.33 1.33 1.33 1.33 1.33...
Page 32 MVC-30HWFN1-M+MOD30U-30HFN1-MR0 ID WB 60.8 64.4 66.2 71.6 INDOOR OUTDOOR AIR FLOW ID DB (CFM) 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 31.40 31.45 31.45 31.45 33.02 33.75 33.75 33.75 33.79 33.79 33.79 33.79 35.90...
Page 33 32.69 33.00 33.31 33.62 34.36 34.36 34.36 34.66 35.22 35.22 35.22 35.22 37.42 37.42 37.42 37.42 0.75 0.86 1.00 1.00 0.59 0.69 0.79 0.98 0.51 0.61 0.70 0.80 0.33 0.42 0.51 0.61 1.91 1.91 1.91 1.91 1.91 1.91 1.91 1.91 1.91 1.91 1.91...
Page 34 MVC-30HWFN1-M+MOD30U-30HFN1-MR0(X) ID WB 60.8 64.4 66.2 71.6 INDOOR OUTDOOR AIR FLOW ID DB (CFM) 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 31.40 31.45 31.76 32.07 33.02 33.75 33.75 34.05 33.79 33.79 33.79 33.79 35.90...
Page 35 32.69 33.00 33.31 33.62 34.36 34.36 34.36 34.66 35.22 35.22 35.22 35.22 37.42 37.42 37.42 37.42 0.75 0.86 1.00 1.00 0.59 0.69 0.79 0.98 0.51 0.61 0.70 0.80 0.33 0.42 0.51 0.61 1.88 1.88 1.88 1.88 1.88 1.88 1.88 1.88 1.88 1.88 1.88...
Page 36 MVC-36HWFN1-M+MOD30U-36HFN1-MR0 ID WB 60.8 64.4 66.2 71.6 INDOOR OUTDOOR AIR FLOW ID DB (CFM) 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 37.72 37.74 37.74 37.74 39.67 40.50 40.50 40.50 40.61 40.61 40.61 40.61 43.15...
Page 37 39.19 39.61 40.02 40.43 41.21 41.21 41.21 41.62 42.25 42.25 42.25 42.25 44.87 44.87 44.87 44.87 0.74 0.85 1.00 1.00 0.59 0.69 0.78 0.98 0.51 0.61 0.70 0.80 0.34 0.42 0.51 0.61 2.60 2.60 2.60 2.60 2.59 2.59 2.59 2.59 2.59 2.59 2.59...
Page 38 MVC-36HWFN1-M+MOE31U-36HFN1-M ID WB 60.8 64.4 66.2 71.6 INDOOR OUTDOOR AIR FLOW ID DB (CFM) 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 37.72 37.74 38.15 38.56 39.67 40.50 40.50 40.91 40.61 40.61 40.61 40.61 43.15...
Page 39 39.19 39.61 40.02 40.43 41.21 41.21 41.21 41.62 42.25 42.25 42.25 42.25 44.87 44.87 44.87 44.87 0.75 0.86 1.00 1.00 0.59 0.69 0.79 0.98 0.51 0.61 0.70 0.81 0.33 0.42 0.52 0.61 2.29 2.29 2.29 2.29 2.29 2.29 2.29 2.29 2.28 2.28 2.28...
Page 40 MVC-48HWFN1-M+MOE30U-48HFN1-MR0 ID WB 60.8 64.4 66.2 71.6 INDOOR OUTDOOR AIR FLOW ID DB (CFM) 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 49.27 49.27 49.27 49.79 51.82 52.86 52.86 52.86 53.12 53.12 53.12 53.12 56.41...
Page 41 51.24 51.24 51.76 52.27 53.88 53.88 53.88 54.39 55.17 55.17 55.17 55.17 58.64 58.64 58.64 58.64 0.73 0.83 1.00 1.00 0.58 0.67 0.76 0.98 0.50 0.60 0.69 0.77 0.34 0.42 0.50 0.59 3.50 3.50 3.50 3.50 3.49 3.49 3.49 3.49 3.48 3.48 3.48...
Page 42 MVC-48HWFN1-M+MOE30U-48HFN1-M-[X1] ID WB 60.8 64.4 66.2 71.6 INDOOR OUTDOOR AIR FLOW ID DB (CFM) 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 49.27 49.27 49.27 49.79 51.82 52.86 52.86 52.86 53.12 53.12 53.12 53.12 56.41...
Page 43 51.24 51.24 51.76 52.27 53.88 53.88 53.88 54.39 55.17 55.17 55.17 55.17 58.64 58.64 58.64 58.64 0.73 0.83 1.00 1.00 0.58 0.67 0.76 0.98 0.50 0.60 0.69 0.77 0.34 0.42 0.50 0.59 3.83 3.83 3.83 3.83 3.83 3.83 3.83 3.83 3.82 3.82 3.82...
Page 44 MVC-60HWFN1-M+MOE30U-60HFN1-MR0 ID WB 60.8 64.4 66.2 71.6 INDOOR OUTDOOR AIR FLOW ID DB (CFM) 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 73.4 77.0 80.6 84.2 59.74 59.75 59.75 59.75 62.82 64.07 64.07 64.07 64.38 64.38 64.38 64.38 68.35...
Page 45 62.14 62.14 62.76 63.38 65.29 65.29 65.29 65.91 66.94 66.94 66.94 66.94 71.08 71.08 71.08 71.08 0.73 0.83 1.00 1.00 0.58 0.68 0.76 0.98 0.50 0.60 0.69 0.78 0.34 0.42 0.51 0.59 3.92 3.92 3.92 3.92 3.91 3.91 3.91 3.91 3.90 3.90 3.90...
Page 46 Heating MVC-18HWFN1-M+MOX330-18HFN1-MR0 [SI_Unit] HEATING PERFORMANCE AT INDOOR DRY BULB TEMPERATURE TC:TOTAL CAPACITY(kBtu/h) PI:TOTAL POWER IN KILOWATTS (KW) INDOOR OUTDOOR AIRFLOW (CFM) Indoor Conditions (DB °F ) Indoor Conditions (DB °F ) DB(°F) 60.8 68.0 71.6 75.2 60.8 68.0 71.6 75.2 10.91 10.74 10.65...
Page 47 MVC-18HWFN1-M+MOX430U-18HFN1-M [SI_Unit] HEATING PERFORMANCE AT INDOOR DRY BULB TEMPERATURE TC:TOTAL CAPACITY(kBtu/h) PI:TOTAL POWER IN KILOWATTS (KW) INDOOR OUTDOOR AIRFLOW (CFM) Indoor Conditions (DB °F ) Indoor Conditions (DB °F ) DB(°F) 60.8 68.0 71.6 75.2 60.8 68.0 71.6 75.2 18.66 18.57 18.48 18.39...
Page 48 MVC-24HWFN1-M+MOX430-24HFN1-MR0 [SI_Unit] HEATING PERFORMANCE AT INDOOR DRY BULB TEMPERATURE TC:TOTAL CAPACITY(kBtu/h) PI:TOTAL POWER IN KILOWATTS (KW) INDOOR OUTDOOR AIRFLOW (CFM) Indoor Conditions (DB °F ) Indoor Conditions (DB °F ) DB(°F) 60.8 68.0 71.6 75.2 60.8 68.0 71.6 75.2 19.44 19.27 19.18 19.00...
Page 49 MVC-24HWFN1-M+MOD30-24HFN1-MW [SI_Unit] HEATING PERFORMANCE AT INDOOR DRY BULB TEMPERATURE TC:TOTAL CAPACITY(kBtu/h) PI:TOTAL POWER IN KILOWATTS (KW) INDOOR OUTDOOR AIRFLOW (CFM) Indoor Conditions (DB °F ) Indoor Conditions (DB °F ) DB(°F) 60.8 68.0 71.6 75.2 60.8 68.0 71.6 75.2 23.39 23.21 23.12 23.03...
Page 50 MVC-30HWFN1-M+MOD30U-30HFN1-MR0 [SI_Unit] HEATING PERFORMANCE AT INDOOR DRY BULB TEMPERATURE TC:TOTAL CAPACITY(kBtu/h) PI:TOTAL POWER IN KILOWATTS (KW) INDOOR OUTDOOR AIRFLOW (CFM) Indoor Conditions (DB °F ) Indoor Conditions (DB °F ) DB(°F) 60.8 68.0 71.6 75.2 60.8 68.0 71.6 75.2 18.21 17.96 17.87 17.79...
Page 51 MVC-30HWFN1-M+MOD30U-30HFN1-MR0(X) [SI_Unit] HEATING PERFORMANCE AT INDOOR DRY BULB TEMPERATURE TC:TOTAL CAPACITY(kBtu/h) PI:TOTAL POWER IN KILOWATTS (KW) INDOOR OUTDOOR AIRFLOW (CFM) Indoor Conditions (DB °F ) Indoor Conditions (DB °F ) DB(°F) 60.8 68.0 71.6 75.2 60.8 68.0 71.6 75.2 25.95 25.68 25.51 25.42...
Page 52 MVC-36HWFN1-M+MOD30U-36HFN1-MR0 [SI_Unit] HEATING PERFORMANCE AT INDOOR DRY BULB TEMPERATURE TC:TOTAL CAPACITY(kBtu/h) PI:TOTAL POWER IN KILOWATTS (KW) INDOOR OUTDOOR AIRFLOW (CFM) Indoor Conditions (DB °F ) Indoor Conditions (DB °F ) DB(°F) 60.8 68.0 71.6 75.2 60.8 68.0 71.6 75.2 20.11 19.78 19.69 19.53...
Page 53 MVC-36HWFN1-M+MOE31U-36HFN1-M [SI_Unit] HEATING PERFORMANCE AT INDOOR DRY BULB TEMPERATURE TC:TOTAL CAPACITY(kBtu/h) PI:TOTAL POWER IN KILOWATTS (KW) INDOOR OUTDOOR AIRFLOW (CFM) Indoor Conditions (DB °F ) Indoor Conditions (DB °F ) DB(°F) 60.8 68.0 71.6 75.2 60.8 68.0 71.6 75.2 41.33 41.05 40.87 40.77...
Page 54 MVC-48HWFN1-M+MOE30U-48HFN1-MR0 [SI_Unit] HEATING PERFORMANCE AT INDOOR DRY BULB TEMPERATURE TC:TOTAL CAPACITY(kBtu/h) PI:TOTAL POWER IN KILOWATTS (KW) INDOOR OUTDOOR AIRFLOW (CFM) Indoor Conditions (DB °F ) Indoor Conditions (DB °F ) DB(°F) 60.8 68.0 71.6 75.2 60.8 68.0 71.6 75.2 34.58 34.15 33.98 33.73...
Page 55 MVC-48HWFN1-M+MOE30U-48HFN1-M-[X1] [SI_Unit] HEATING PERFORMANCE AT INDOOR DRY BULB TEMPERATURE TC:TOTAL CAPACITY(kBtu/h) PI:TOTAL POWER IN KILOWATTS (KW) INDOOR OUTDOOR AIRFLOW (CFM) Indoor Conditions (DB °F ) Indoor Conditions (DB °F ) DB(°F) 60.8 68.0 71.6 75.2 60.8 68.0 71.6 75.2 44.12 43.76 43.58 43.31...
Page 56 MVC-60HWFN1-M+MOE30U-60HFN1-MR0 [SI_Unit] HEATING PERFORMANCE AT INDOOR DRY BULB TEMPERATURE TC:TOTAL CAPACITY(kBtu/h) PI:TOTAL POWER IN KILOWATTS (KW) INDOOR OUTDOOR AIRFLOW (CFM) Indoor Conditions (DB °F ) Indoor Conditions (DB °F ) DB(°F) 60.8 68.0 71.6 75.2 60.8 68.0 71.6 75.2 34.35 33.93 33.68 33.51...
Page 57: Noise Criterion Curves
8. Noise Criterion Curves 1m/3.28ft 2m/6.56ft 1.5m/4.92ft Notes: -Sound measured at 1.5m/4.92ft away from the center of the unit. -Data is valid at free ﬁeld condition -Data is valid at nominal operation condition -Reference acoustic pressure OdB = 20µPa -Sound level will vary depending on a range of factors such as the construction -(acoustic absorption coefﬁcient) of particular room in which the equipment is installed.
Page 58 MVC-30HWFN1-M MVC-36HWFN1-M MVC-48HWFN1-M MVC-60HWFN1-M   IDU-Air Handler 43...
Page 59: Electrical Characteristics
9. Electrical Characteristics Capacity (Btu/h) Phase Power (indoor) Frequency And Volt 208/230V,60Hz Phase Power (Outdoor) Frequency And Volt 208/230V,60Hz Indoor unit(A) Max. Fuse Outdoor unit(A) Indoor unit Line quantity Line diameter(AWG) 16/1.5mm² 16/1.5mm² 16/1.5mm² Power line Outdoor unit Line quantity Line diameter(AWG) 14/2.5mm²...
Page 60 Capacity (Btu/h) 18k hyper Heat 24k hyper Heat 30k hyper Heat Phase Power (indoor) Frequency And Volt 208/230V,60Hz Phase Power (Outdoor) Frequency And Volt 208/230V,60Hz Indoor unit(A) Max. Fuse Outdoor unit(A) Indoor unit Line quantity Line diameter(AWG) 16/1.5mm² 16/1.5mm² 16/1.5mm² Power line Outdoor unit Line quantity...
Page 61: Electrical Wiring Diagrams
10. Electrical Wiring Diagrams IDU Capacity (Btu/h) IDU Wiring Diagram 18k~60k 16023000011626 Abbreviation Paraphrase Yellow-Green Conductor Indoor Fan Capacitor Indoor Fan Motor Indoor ECM Motor TO CCM Comm.Bus Central Controller Indoor Room Temperature Sensor Indoor Coil Inlet Temperature Sensor Indoor Coil Outlet Temperature Sensor Indoor Coil Temperature Sensor ...
Page 63 10.1 Micro-Switch Introduce: A For ALARM terminal port CN33 1. Provide the terminal port to connect ALARM, but no voltage of the terminal port , the power from the ALARM system (not from the unit ) 2. Although design voltage can support higher voltage ,but we strongly ask you connect the power less than 24V, current less than 0.5A 3.
Page 64 B. For remote control (ON-OFF) terminal port CN2 and short connector of JR1 1. Remove the short connector of JR1 when you use ON-OFF function; 2. When remote switch off (OPEN); the unit would be off; 3. When remote switch on (CLOSE); the unit would be on; 4.
Page 65 10.2 Micro-Switch Introduce: FOR SETTING NETADDRESS S1+S2 CODE 0~15 16~31 32~47 48~63 NETADDRESS F A C T O R Y S E T T I N G A. Micro-switch S1 and dial-switch S2 are for address setting when you want to control this unit by a central controller. Range: 00-63 ENC1 CODE...
Page 66 The ﬁrst group controls the electric SW2-1 heating to turn on the temperature 1°C(1.8°F) 2°C(3.6°F) difference Whether the electric heating is SW2-2 delayed Electric auxiliary heating delay start SW2-3 30min 15min time Compressor allowed to Electric heating allowed to Electric heating/compressor allow SW2-4 operate to low limit set by operate to high limit set by...
Page 67: Outdoor Unit
Outdoor Unit Contents Dimensional Drawings ..................2 Service Place ......................14 Capacity Correction Factor for Height Difference ..........15 Noise Criterion Curves ..................21 Refrigerant Cycle Diagrams ................25 Electrical Wiring Diagrams ..................29...
Page 68: Dimensional Drawings
1. Dimensional Drawings Please check the corresponding dimensional drawing according to the panel plate. ODU Model Panel Plate MOX330-18HFN1-M X330 MOX430-24HFN1-M X430 MOD30U-30HFN1-M MOD30U-36HFN1-M MOE30U-48HFN1-M MOE30U-60HFN1-M   Outdoor Unit 2...
Page 69 Panel Plate B30   Outdoor Unit 3...
Page 70 Panel Plate BA30   Outdoor Unit 4...
Page 71 Panel Plate CA30   Outdoor Unit 5...
Page 72 Panel Plate D30   Outdoor Unit 6...
Page 73 Panel Plate X230 (Rounded grille)   Outdoor Unit 7...
Page 74 Panel Plate X230(Square grille)   Outdoor Unit 8...
Page 75 X330(Rounded grille) Panel Plate   Outdoor Unit 9...
Page 76 X330(Square grille) Panel Plate   Outdoor Unit 10...
Page 77 X430(Rounded grille) Panel Plate   Outdoor Unit 11...
Page 78 X430(Square grille) Panel Plate   Outdoor Unit 12...
Page 79 Panel Plate E30   Outdoor Unit 13...
Page 80: Service Place
2. Service Place   Outdoor Unit 14...
Page 81: Capacity Correction Factor For Height Difference
3. Capacity Correction Factor for Height Difference Capacity(Btu/h) Pipe Length (m/ft) Cooling 7.5/24.6 10/32.8 20/65.6 25/82 10/32.8 0.974 0.953 0.942 Indoor Upper than Outdoor 5/16.4 0.995 0.984 0.962 0.951 Height difference 1.000 0.989 0.967 0.956 H (m) -5/-16.4 1.000 0.989 0.967 0.956 Outdoor Upper...
Page 82 Capacity Pipe Length (m/ft) (Btu/h) Cooling 7.5/24.6 10/32.8 20/65.6 30/98.4 40/131.2 50/164 25/82 0.917 0.898 0.879 20/65.6 0.946 0.926 0.907 0.887 Indoor Upper than Outdoor 10/32.8 0.975 0.955 0.936 0.916 0.896 5/16.4 0.995 0.985 0.965 0.945 0.925 0.905 1.000 0.990 0.970 0.950 0.930...
Page 83 Capacity Pipe Length (m/ft) (Btu/h) Cooling 7.5/24.6 10/32.8 20/65.6 30/98.4 40/131.2 50/164 25/82 0.891 0.862 0.832 20/65.6 0.930 0.900 0.871 0.841 Indoor Upper than Outdoor 10/32.8 0.970 0.940 0.910 0.879 0.849 Height 5/16.4 0.995 0.980 0.949 0.919 0.888 0.858 difference 1.000 0.985 0.954...
Page 84 Capacity Pipe Length (m/ft) (Btu/h) Cooling 7.5/24.6 15/49.2 25/82 35/114.8 50/164 65/213.3 30/98.4 0.889 0.850 0.812 20/65.6 0.924 0.898 0.859 0.820 Indoor Upper than Outdoor 10/32.8 0.959 0.933 0.907 0.868 0.828 5/16.4 0.995 0.969 0.942 0.916 0.876 0.837 Height difference 1.000 0.974 0.947...
Page 85 Capacity Pipe Length (m/ft) (Btu/h) Cooling 7.5/24.6 15/49.2 25/82 35/114.8 50/164 65/213.3 30/98.4 0.884 0.843 0.802 20/65.6 0.920 0.893 0.852 0.810 Indoor Upper than Outdoor 10/32.8 0.957 0.930 0.902 0.860 0.819 5/16.4 0.995 0.967 0.939 0.911 0.869 0.827 Height difference 1.000 0.972 0.944...
Page 86 Capacity Pipe Length (m/ft) (Btu/h) Cooling 7.5/24.6 15/49.2 25/82 35/114.8 50/164 65/213.3 30/98.4 0.870 0.823 0.775 20/65.6 0.911 0.879 0.831 0.783 Indoor Upper than Outdoor 10/32.8 0.953 0.920 0.888 0.840 0.791 5/16.4 0.995 0.962 0.930 0.897 0.848 0.799 Height difference 1.000 0.967 0.934...
Page 87: Noise Criterion Curves
4. Noise Criterion Curves 1.0m/3.28ft Note: H= 0.5 × height of outdoor unit Notes: -Sound measured at 1.0m/3.25ft away from the center of the unit. -Data is valid at free ﬁeld condition -Data is valid at nominal operation condition -Reference acoustic pressure OdB=20µPa -Sound level will vary depending on arrange off actors such as the construction (acoustic absorption coefﬁcient) of particular room in which the equipment is installed.
Page 88 MOD30U-30HFN1-MR0 MOD30U-36HFN1-MR0 MOE30U-48HFN1-MR0 MOE30U-60HFN1-MR0   Outdoor Unit 22...
Page 89 MOX430U-18HFN1-M MOD30-24HFN1-MW MOD30U-30HFN1-MR0(X) MOE31U-36HFN1-M   Outdoor Unit 23...
Page 90 MOE30U-48HFN1-M-[X1]   Outdoor Unit 24...
Page 91: Refrigerant Cycle Diagrams
5. Refrigerant Cycle Diagrams Pipe Size (Diameter:ø) Piping length (m/ft) Elevation (m/ft) mm(inch) Model No. Additional Refrigerant Liquid Rated Max. Rated Max. MOX330U-18HFN1-MR0 19(3/4) 9.52(3/8) 7.5/24.6 30/98.4 20/65.6 65g/m (0.69oz/ft)   Outdoor Unit 25...
Page 92 Pipe Size (Diameter:ø) Piping length (m/ft) Elevation (m/ft) mm(inch) Model No. Additional Refrigerant Liquid Rated Max. Rated Max. MOD30-24HFN1-MW 19(3/4) 9.52(3/8) 7.5/24.6 50/164 25/82 65g/m (0.69oz/ft) MOD30U-30HFN1-MR0 19(3/4) 9.52(3/8) 7.5/24.6 50/164 25/82   Outdoor Unit 26...
Page 93 Pipe Size (Diameter:ø) Piping length (m/ft) Elevation (m/ft) mm(inch) Model No. Additional Refrigerant Liquid Rated Max. Rated Max. MOX430U-18HFN1-M 19(3/4) 9.52(3/8) 7.5/24.6 30/98.4 20/65.6 MOX430U-24HFN1-MR0 19(3/4) 9.52(3/8) 7.5/24.6 50/164 25/82 MOD30U-30HFN1-MR0(X) 19(3/4) 9.52(3/8) 7.5/24.6 50/164 25/82 65g/m (0.69oz/ft) MOD30U-36HFN1-MR0 19(3/4) 9.52(3/8) 7.5/24.6 65/213...
Page 94 Pipe Size (Diameter:ø) Piping length (m/ft) Elevation (m/ft) mm(inch) Model No. Additional Refrigerant Liquid Rated Max. Rated Max. MOE31U-36HFN1-M 19(3/4) 9.52(3/8) 7.5/24.6 65/213 30/98.4 65g/m (0.69oz/ft) MOE30U-48HFN1-M-[X1] 19(3/4) 9.52(3/8) 7.5/24.6 65/213 30/98.4   Outdoor Unit 28...
Page 95: Electrical Wiring Diagrams
6. Electrical Wiring Diagrams ODU Model ODU Wiring Diagram MOX330U-18HFN1-MR0 16022000036289 MOX430U-18HFN1-M 16022000036171 MOX430U-24HFN1-MR0 MOD30-24HFN1-MW MOD30U-30HFN1-MR0(X) 16022000036170 MOD30U-30HFN1-MR0 MOD30U-36HFN1-MR0 MOE31U-36HFN1-M 16022000036969 MOE30U-48HFN1-M-[X1] MOE30U-48HFN1-MR0 16022000036169 MOE30U-60HFN1-MR0 ODU Main Printed Circuit Inverter Module ODU Model 24V Printed Board Board Printed Board MOX330U-18HFN1-MR0 17122000046453 17122000054047 MOX430U-18HFN1-M...
Page 101 Outdoor unit printed circuit board diagram: 17122000044714, 17122000048121,17122000046453...
Page 102 Name Meaning Earth: connect to Ground N_in: connect to N-line (208-230V AC input) CN1A L_in: connect to L-line (208-230V AC input) CN16 S: connect to indoor unit communication HEAT1 CN17 connect to compressor heater, 208-230V AC when is ON 4-WAY CN60 connect to 4 way valve, 208-230V AC when is ON.
Page 103 Earth N-IN L-IN CN17 AC-FAN 4-WAY HEAT2 CN 60 R109 C515 CN 6 IC4 04 C 40 8 R403 E502 CN4 14 DC-FAN CN1 9 R4 04 C 517 C5 19 CN 18 R Y5 L2 01 IC401 E504 CN23 R8 02 R 804 C 40 2...
Page 104 Name Meaning Earth: connect to Ground Power Supply N_in: connect to N-line (208-230V AC input) L_in: connect to L-line (208-230V AC input) S: connect to indoor unit communication 4-WAY CN60 connect to 4 way valve, 208-230V AC when is ON. AC-FAN connect to AC fan HEAT2...
Page 105 Outdoor unit printed circuit board diagram: 17122000047742...
Page 106 Name Meaning CN11 N_in: connect to N-line (208-230V AC input) Power Supply CN12 L_in: connect to L-line (208-230V AC input) EEV-A CN16 EEV-B CN13 EEV-C EEV-D CN15 connect to electric expansion valve EEV-E EEV-F CN17 EEV-G CN14 connect to pipe temp. sensor T3, ambient temp. sensor T4, exhaust T3 T4 TP CN26 temp.
Page 107 Name Meaning HEAT_D CN20 connect to the heater, 208-230V AC when is ON CN21 HEAT_Y CN36 4-WAY CN38 connect to 4 way valve, 208-230V AC when is ON. CN27 connect to key board CN1 Note: This section is for reference only. Please take practicality as standard.
Page 108 Outdoor unit printed circuit board diagram: 17122000037804...
Page 109 Name Meaning L1_in: connect to L1-line (230V AC input) Power Supply L2_in: connect to L2-line (230V AC input) Exhaust temp. sensor TP TESTPORT CN35 used for testing HEAT1 CN19/CN20 connect to chassis heater, 208-230V AC when is ON HEAT2 CN24/CN25 connect to compressor heater, 208-230V AC when is ON 4-WAY CN17/CN18...
Page 110 Outdoor unit IPM board diagram: 17122000042012...
Page 111 Name Meaning connect to main board L-Out Power Supply connect to main board N-Out connect to main board CN6 FAN_DC FAN_1/FAN_2 connect to outdoor DC fan 1& DC fan 2 CN_COMP connect to compressor Note: This section is for reference only. Please take practicality as standard.
Page 112 Outdoor unit printed circuit board diagram: 17122000054047...
Page 113 Name Meaning connect to one-way solenoid valve connect to pressure sensor (5VDC) CN28 connect to electric expansion valve (12VDC) TESTPORT CN45 used for testing (5VDC) connect to suction temp. sensor, cold plate temp. sensor CN11 (5VDC) H-PRO CN38 connect to high pressure switch (5VDC) connect to main board L-Out Power Supply connect to main board N-Out...
Page 114: Installation
Installation Contents Installation Overview Location Selection Indoor Unit Installation Outdoor Unit Installation Drainage Pipe Installation Refrigerant Pipe Installation Vacuum Drying and Leakage Checking Additional Refrigerant Charge Engineering of Insulation Engineering of Electrical Wiring Test Operation...
Page 115: Installation Overview
1. Installation Overview Indoor Unit Indoor Unit Install the indoor unit Install the outdoor unit Install the drainpipe Evacuate the refrigeration system Connect the wires Connect the refrigerant pipes Install the panel Perform a test run (only for cassette type) ...
Page 116: Location Selection
2. Location selection 2.1 Unit location selection can refer to installation manual. 2.2 DO NOT install the unit in the following locations: • Where oil drilling or fracking is taking place. • Coastal areas with high salt content in the air. •...
Page 117: Install The Main Body
3. Indoor Unit Installation(AHU) Horizontal installation 3.1 Service space for indoor unit Horizontal installation Plenum Clearances: 24inch(min) MINIMUM CLEARANCE OF 25.4mm/1″ALL SIDES 3.2 Install the main body FLEXIBLE The unit may be installed in one of the upflow, downflow, DUCT COLLAR horizontal left or horizontal right orientations.
Page 118 For the Horizontal left installation and vertical down installation, the direction of the evaporator should be changed and the drain pan should be removed first. Please do it according to the following steps: 1. Remove the fixed plate of the filter ,then take the filter off.
Page 119 4. Unplug temperature sensors T1,T2,T2A,T2B and electronic expansion valve(EEV) from the control board. T1: Room temperature sensor T2: Evaporator central temperature sensor T2A: Evaporator input temperature sensor(only available for some models) T2B: Evaporator output temperature sensor(only available for some models) 7.
Page 120 Cut the foam gasket. Remove knockouts as 11. Reinstall evaporator cover plate. shown in the figure. Hook the wire into the buckle and go down from the wire slot. 12. Connect the wire according to the wiring diagram. Replace foam gaster over wires. 13.
Page 121 Installation must be performed by an authorized dealer or specialist. Please make necessary protection when installing the unit. Specification series of electric auxiliary heat module: 3kW,5kW,8kW,10kW, 15kw, 20kW,25kW. The electric auxiliary heat module is only used for installation on the AHU internal machine. If the unit needs to be equipped with electric auxiliary heat module, please check the electric auxiliary heat module specification that can be matched with the unit first to...
Page 122 3. Install the electric auxiliary heating assembly into the chassis shell from the front, and note that the front end needs to be inserted into the shell assembly hole. 4. Tighten the mounting screws. screws 2. Remove the terminal block and power cord, loosen the screws, and remove the electric auxiliary heating cover.
Page 123 9. After installing the electric auxiliary heat module, apply the circuit breaker label near the silicone breaker cover that was just applied. After the electric heating wiring is connected, please confirm before power on: • Check all wiring and ensure reliable connection of wire body.
Page 124 Auxiliary Heater Electrical Data CIRCUIT 1 CIRCUIT 2 CIRCUIT 3 Internal Heater part Heater Circuit Heater Heater Heater MOCP MOCP MOCP Protection MCA (1) MCA (1) MCA (1) Amps Amps Amps EAH- Ckt Bkr 10.8/12.0 14.0/16.0 15.0/20.0 03B(UL) EAH- Ckt Bkr 18.0/20.0 23.0/27.0 25.0/30.0...
Page 125: Outdoor Unit Installation
4. Outdoor unit installation 4.3 Install Outdoor Unit Fix the outdoor unit with anchor bolts(M10) 4.1 Service space for outdoor unit >60cm / 23.6” Fix with bolts Caution Since the gravity center of the unit is not at its physical center, so please be careful when lifting it with a sling.
Page 126: Drainage Pipe Installation
For Vertical drainage pipe (The following table is for 5. Drainage Pipe Installation reference) Install the drainage pipe as shown below and take Reference measures against condensation. Improperly installation Allowable value of inner could lead to leakage and eventually wet furniture and maximum water Remark pipe...
Page 127 5.3 Insulation work of drainage pipe Refer the introduction to the insulation engineering parts. • The correct installation will not cause converse water flow and the slope of the branch pipes can be adjusted freely • The false installation will cause converse water flow and the slope of the branch pipe can not be ad- justed.
Page 128: Refrigerant Pipe Installation
2.Confirm the cross way of the pipes. 6. Refrigerant Pipe Installation 3.Measure the necessary pipe length. 6.1 Maximum length and drop height 4.Cut the selected pipe with pipe cutter Ensure that the length of the refrigerant pipe, the number • Make the section flat and smooth.
Page 129: Vacuum Drying And Leakage Checking
7. Vacuum Drying and Leakage 10. Set the wall conduit Checking 11. Set the supporter for the pipe. 12. Locate the pipe and fix it by supporter 7.1 Purpose of vacuum drying • For horizontal refrigerant pipe, the distance be- •...
Page 130: Additional Refrigerant Charge
4. Rain water might penetrate into pipeline during 8. Additional Refrigerant Charge construction. • After the vacuum drying process is carried out, the additional refrigerant charge process need to be performed. Procedures of special vacuum drying are as follows: • The outdoor unit is factory charged with refrigerant.
Page 131: Engineering Of Insulation
9 . Engineering of Insulation insulation and cause easy aging of the material. 9.2 Insulation of drainage pipe 9.1 Insulation of refrigerant pipe 1. Operational procedure of refrigerant pipe 1. Operational procedure of refrigerant pipe insulation insulation Select the suitable pipe → insulation (except joint section) Cut the suitable pipe →...
Page 132 2. Specific wiring method Engineering of Electrical Wring Connection method A: 1. Highlights of electrical wiring installation Refer to the wiring method of internal and external • All field wiring construction should be finished by machine communication and wired controller as follows: qualified electrician.
Page 133: Condensate Overflow Switch
W1/E THERMOSTAT W1 W2 Y1 Y2 B W D INDOOR UNIT OUTDOOR UNIT THERMOSTAT W1 W2 Y1 Y2 B W D S4-1 DIP switch oﬀ INDOOR UNIT OUTDOOR UNIT Disconnect and short S4-2 DIP switch oﬀ S4-1 DIP switch oﬀ circuit to realize heating Perform disconnection and Disconnect and short...
Page 134 signal of DH changes to 0V, the cooling system starts the dehumidification operation, and the air volume drops to 80% of the nominal cooling air volume. When the partition control, DH is connected to the DH port of the partition controller. When the 24V signal of DH changes to 0V, the air volume drops to 80% of the nominal refrigeration air volume.
Page 135: Test Operation
b. Remove the test cover. Add 2000ml of water to the tank 11. Test Operation through the attached tube. 1. The test operation must be carried c. Turn on the main power switch and run the air out after the entire installation has been conditioner in COOL mode.
Page 136: Maintenance
Maintenance Contents First Time Installation Check .................2 Refrigerant Recharge ....................4 Re-Installation .......................5 Indoor Unit ....................5 Outdoor Unit ....................7...
Page 137: First Time Installation Check
1. First Time Installation Check Air and moisture trapped in the refrigerant system affects To prevent air and moisture from affecting the air the performance of the air conditioner by: conditioner’s performance, the indoor unit, as well as the pipes between the indoor and outdoor unit, must be be •...
Page 138 Procedure: • If the pressure successfully reaches -0.1 MPa Tighten the flare nuts of the indoor and outdoor (14.5 Psi), fully close the Handle Lo valve, then units, and confirm that both the 2- and 3-way valves cease vacuum pump operations. are closed.
Page 139: Refrigerant Recharge
2. Refrigerant Recharge mA A Procedure: Close both 2- and 3-way valves. 3-way valves. Slightly connect the Handle Lo charge hose to the Operate the air conditioner in cooling mode to charge 3-way service port. the system with liquid refrigerant. Connect the charge hose to the valve at the bottom When the electronic scale displays the correct of the cylinder.
Page 140: Re-Installation
3. Re-Installation Indoor Unit Collecting the refrigerant into the outdoor unit Procedure: Confirm that the 2- and 3-way valves are opened. Close the 3-way valve so that the gauge rests between 0.3 MPa (43.5 Psi) and 0.5 MPa (72.5 Psi). Connect the charge hose with the push pin of Handle Lo to the 3-way valve’s gas service port.
Page 141 Air purging with vacuum pump Procedure: Tighten the flare nuts of the indoor and outdoor • If the pressure successfully reaches -0.1 MPa (14.5 Psi), fully close the Handle Lo valve, then units, and confirm that both the 2- and 3-way valves cease vacuum pump operations.
Page 142: Outdoor Unit
Outdoor Unit Evacuation for the whole system Procedure: Wait for 5 minutes then check whether the gauge Confirm that the 2- and 3-way valves are opened. needle moves after turning off the vacuum pump. If Connect the vacuum pump to the 3-way valve’s the gauge needle moves backward, check whether service port.
Page 143 Refrigerant charging mA A Procedure: Close both 2- and 3-way valves. Fully open the Handle Lo manifold valve, 2- and 3-way valves. Slightly connect the Handle Lo charge hose to the 3-way service port. Operate the air conditioner in cooling mode to charge the system with liquid refrigerant.
Page 144 Product Features Contents Display Function ....................2 Safety Features ......................3 Basic Functions .......................3 Abbreviation ....................3 Fan Mode ......................3 Cooling Mode ....................3 Heating Mode(Heat Pump Units) ..............4 Auto Mode ....................5 Drying Mode ....................5 Forced Operation Function ................5 Timer Function ....................6 Sleep Function ....................6 3.10 Auto-Restart Function ..................6 Remote Controller Functions ................7 LCD Wired Remote Controller ...............7...
Page 145: Display Function
1. Display Function Mode Priority Y/Y2 W W1 W2 E/AUX DH/DS/BK Display Shut down Cooling Cooling 2 Dehumidification 1 Dehumidification 2 Heating 1 Heating 2 Heating 2 Electric heating 1 Electric heating 1 Electric heating 2 Heating 1+Electric heating 1 Heating 1+Electric heating 1 Heating 2 +Electric heating 1 Heating 2 +Electric heating 1...
Page 146: Safety Features
2. Safety Features Fan Mode Compressor three-minute delay at restart When fan mode is activated: Compressor functions are delayed for up to ten seconds • The outdoor fan and compressor are stopped. upon the first startup of the unit, and are delayed for up •...
Page 147: Heating Mode(Heat Pump Units)
• Descent curve compressor to cease operations. • When T1-Tsc is lower than or equal to 3.5°C, fan 3.4.2 Indoor Fan Control: speed reduces to high; 1) In heating mode, the indoor fan operates continuously. • When T1-Tsc is lower than or equal to 1°C, fan The fan speed can be set to low, medium, high,turbo speed reduces to medium;...
Page 148: Auto Mode
• The unit enters defrosting mode according to the fan-only mode on the basis of ∆T (∆T =T1-TS). temperature value of T3 and T4 as well as the ∆T Running mode compressor running time. ∆T>2°C(3.6°F) Cooling • In defrosting mode, the compressor continues to run, the indoor and outdoor motor will cease operation, -3℃(-5.4°F)<∆T≤2°C(3.6°F) Fan-only the defrost light of the indoor unit will turn on, and...
Page 149: Sleep Function
preset time. • Timer Off. The machine turns off automatically at the preset time. • Timer On/Off. The machine turns on automatically at the preset On Time, and then turns off automatically at the preset Off Time. • Timer Off/On. The machine turns off automatically at the preset Off Time and then turns on automatically at the preset On Time.
Page 150: Remote Controller Functions
4. Remote Controller Functions LCD Wired Remote Controller- KJR-120X/TFBG-E(Standard) i) Buttons and Functions 1. POWER button 6. TIMER button Turn on of turn off the unit. To set timer on and timer off time of one day MODE button 7. FAN SPEED button Used to select the operation mode: Auto / Cooling / Drying / Used to select the fan speed.
Page 151 ii) LCD Screen 1 Operation mode indication 8 Sleep mode indication 2 Fan speed indication 9 Electric Auxiliary Heat/Turbo function indication(some models) 3 Temperature display NOTE: AHU models only have turbo functions. 4 Lock indication 10 Left-right swing indication (some models) 5 °C / °F indication 11 Clock display 6 Room temperature indication...
Page 152 iii) Installation • Dimensions 20mm 120mm 46mm 60mm 1) Connection • Wire with the indoor unit: 60mm Wiring hole HA HB • 1: Indoor Unit. • 2: Notch the part for the wiring to pass through with a nipper tool. •...
Page 153 For some models: The wired controller connects to terminal board, terminal board connects to main control board. Main control board Terminal board CN40 ENC1 HA HB HA HB Wired controller 2) Address setting Unit1 Unit2 Unit16 HA HB HA HB HA HB HA HB Wired controller...
Page 154: Centralized Controller
Centralized Controller 1) Connection For Light commercial air conditioner with XYE port, it can be directly connected to Centralized Controller (CCM03, CCM09). 2) Address setting When setting the address, please make sure the unit is powered off. The address can be set from 0 to 63 by the switch. Turn on the unit, then the address will be effective.
Page 155: Troubleshooting
Troubleshooting Contents Safety Caution .......................3 General Troubleshooting ..................4 Outdoor Unit Point Check Function ..............7 Information Inquiry ....................9 Error Diagnosis and Troubleshooting Without Error Code .......13 Remote maintenance ...................13 Field maintenance ..................14 Quick Maintenance by Error Code ..............19 Troubleshooting by Error Code ................21 EH 00 / EC 51 (EEPROM parameter error Diagnosis and Solution) ....21 EL 01 (Indoor and outdoor unit communication error Diagnosis and Solution) 22 EH 03 / EC 07 (Fan speed is operating outside of the normal range )/EC 71(Over...
Page 156 Troubleshooting Contents 7.11 PC 02 (Top temperature protection of compressor or High temperature protection of IPM module Diagnosis and Solution) ........34 7.12 EC 0d (Outdoor unit malfunction Diagnosis and Solution) ......35 7.13 PC 40(Communication error between outdoor main PCB and IPM board diagnosis and solution) ................36 7.14 PC 08(Current overload protection)/PC 44(Outdoor unit zero speed protection)/ PC 46(Compressor speed has been out of control)/PC 49(Compressor...
Page 157: Safety Caution
1. Safety Caution WARNING Be sure to turn off all power supplies or disconnect all wires to avoid electric shock. While checking indoor/outdoor PCB, please equip oneself with antistatic gloves or wrist strap to avoid damage to the board. WARNING Electricity remains in capacitors even when the power supply is off.
Page 158: General Troubleshooting
2. General Troubleshooting Error Display (Indoor Unit) When the indoor unit encounters a recognized error, the operation lamp will flash in a corresponding series, the timer lamp may turn on or begin flashing, and an error code will be displayed. These error codes are described in the following table: Display Error Information...
Page 159 Low pressure protection (for some models) TS33 PC 03 Outdoor unit malfunction TS35 ec 0 Low ambient temperature protection TS42 PC 0L Mismatch between the new and old platforms TS48 FL 09 For other errors: The display board may show a garbled code or a code undefined by the service manual. Ensure that this code is not a temperature reading.
Page 160 Error Display (For Some Outdoor Unit) Display Malfunction or Protection Solution Outdoor EEPROM malfunction TS21 EC 51 Indoor / outdoor units communication error TS22 EL 01 Communication malfunction between adapter board and outdoor main board TS48 EL 16 IPM module protection TS30 PC 00 Top temperature protection of compressor or High temperature protection of IPM module...
Page 161: Outdoor Unit Point Check Function
3. Outdoor Unit Point Check Function • A check switch is included on the outdoor PCB. • Push SW1 to check the unit’s status while running. The digital display shows the following codes each time the SW1 is pushed. Number of Display Remark Presses...
Page 162 Frequency limit caused by The display value is a Bit7 IGBT radiator hexidecimal number. For example, the Bit6 Reserved digital display show Bit5 Reserved 2A, then Bit5=1, Frequency limit caused by low Bit4 Bit3=1, and Bit1=1. temperature of T2.(LH00) Frequency limit caused by Frequency limit symbol Bit3 This means that a...
Page 163: Information Inquiry
4. Information Inquiry • To enter engineer mode, in power-on or standby mode, and in non-locked state, press the key combination “ON/OFF + Air Speed” for 7s: • After entering the engineer mode, the remote control will display icons of “Auto, Cool, Dry, Heat”, and the Battery icon;...
Page 164 press "On/Off" for 2s to enter Twins Selector, the code displayed is “Ch”, Compressor press "OK" to send the Query Twins Selector code; press the Up/Down key to Running select, 0 indicates that there is no Twins, 1 indicates the host, and 2 indicates Frequency Fr the slave.
Page 165 press "On/Off" for 2s to enter the Cooling Temperature Compensation Value Settings, the code displayed is “Ch”, then press "OK" to send the Query Cooling Temperature Compensation Value code; press the Up/Down key to select the cooling temperature compensation value, then press "OK"; and press "On/Off"...
Page 166 Error code of engineer mode Display Error Information Indoor unit EEPROM parameter error EH 00 Indoor / outdoor unit communication error EL 01 Communication malfunction between adapter board and outdoor main board EL 16 The indoor fan speed is operating outside of the normal range EH 03 Outdoor unit EEPROM parameter error EC 51...
Page 167: Error Diagnosis And Troubleshooting Without Error Code
5. Error Diagnosis and Troubleshooting Without Error Code WARNING Be sure to turn off unit before any maintenance to prevent damage or injury. Remote maintenance SUGGESTION: When troubles occur, please check the following points with customers before field maintenance. Problem Solution Unit will not start TS15 - TS16...
Page 168: Field Maintenance
Field maintenance Problem Solution Unit will not start TS17 - TS18 Compressor will not start but fans run TS17 - TS18 Compressor and condenser (outdoor) fan will not start TS17 - TS18 Evaporator (indoor) fan will not start TS17 - TS18 Condenser (Outdoor) fan will not start TS17 - TS18 Unit runs, but shortly stops...
Page 169   Troubleshooting 15...
Page 170 1.Remote Maintenance Others Possible causes of trouble Unit will not start ☆ The power switch is on but fans will not start The temperature on the display board cannot be set Unit is on but the wind is not cold(hot) Unit runs, but shortly stops ☆...
Page 171 Replace the compressor Compressor stuck Leak test Shortage of refrigerant Replace restricted part Restricted liquid line Clean or replace Dirty air filter Clean coil Dirty evaporator coil Check fan Insufficient air through evaporator coil Change charged refrigerant volume Overcharge of refrigerant Clean condenser or remove obstacle Dirty or partially blocked condenser Purge, evacuate and recharge...
Page 172 Test voltage Power failure Inspect fuse type & size Blown fuse or varistor Inspect connections - tighten Loose connections Test circuits with tester Shorted or broken wires Test continuity of safety device Safety device opens Test continuity of thermostat / sensor & wiring Faulty thermostat / room temperature sensor Place the temperature sensor at the central of the air inlet Wrong setting place of temperature sensor...
Page 173: Quick Maintenance By Error Code
6. Quick Maintenance by Error Code If you do not have the time to test which specific parts are faulty, you can directly change the required parts according the error code. You can find the parts to replace by error code in the following table. Error Code Part requiring replacement...
Page 174 Part requiring EL 16 eh 0b pc 06 pc 08/44/ 49 pc 0a pc 0f replacement Indoor PCB Outdoor PCB Outdoor fan motor T3 Sensor TP Sensor Pressure sensor Reactor Compressor IPM module board Data adapter board High pressure valve assy High pressure protector Low pressure protector Additional refrigerant...
Page 175: Troubleshooting By Error Code
7. Troubleshooting by Error Code EH 00 / EC 51 (EEPROM Parameter Error Diagnosis and Solution) Description: Indoor or outdoor PCB main chip does not receive feedback from EEPROM chip. Recommended parts to prepare: • Indoor PCB • Outdoor PCB Troubleshooting and repair: Shut off the power supply and turn it on 2 minutes later.
Page 176: El 01 (Indoor And Outdoor Unit Communication Error Diagnosis And Solution)
EL 01 (Indoor and Outdoor Unit Communication Error Diagnosis and Solution) Description: Indoor unit can not communicate with outdoor unit Recommended parts to prepare: • Signal wires • Magnet ring • Indoor PCB • Outdoor PCB Troubleshooting and repair: XYE Communication: Power off, then restart the unit 2 Power off, then restart the unit 2 minutes later...
Page 177 S Communication: Power off, then restart the unit after 2 minutes. Does the error code Solved disappear? Check the wiring connection Correct the connection or between indoor and outdoor change wires unit, are they good? The value is alternative from negative to positive Check the wiring connection Measure the DC voltage between N/L2 The value is fixed and close...
Page 178 Remarks: • Use a multimeter to test the DC voltage between 2 port(or S or L2 port) and 3 port(or N or S port) of outdoor unit. The red pin of multimeter connects with 2 port(or S or L2 port) while the black pin is for 3 port(or N or S port) . •...
Page 179: Eh 03 / Ec 07 (Fan Speed Is Operating Outside Of The Normal Range )/Ec
EH 03 / EC 07 (Fan Speed Is Operating Outside of Normal Range)/EC 71(Over Current Failure of Outdoor DC Fan Motor)/ EC73(Zero-speed failure of outdoor DC fan motor) Diagnosis and Solution Description: When indoor / outdoor fan speed keeps too low or too high for a certain time, the unit ceases operation and the LED displays the failure.
Page 180 Index: 1. Indoor DC Fan Motor(control chip is in fan motor) Power on and when the unit is in standby, measure the voltage of pin1&pin2 of CN15, pin3 of CN34 in fan motor connector. If the value of the voltage is not in the range showing in below table, the PCB must has problems and need to be replaced.
Page 181: Eh 60/Eh 61/Ec 53/Ec 52/Ec 54/Ec 56/Ec 57/Ec 50/Ec 5C
EH 60/EH 61/EH 62/ EH 65/ EC 53/EC 52/EC 54/EC 56/EC 57/EC 50/EC 5C (Open Circuit or Short Circuit of Temperature Sensor Diagnosis and Solution) Description: If the sampling voltage is lower than 0.06V or higher than 4.94V, the LED displays the failure. Recommended parts to prepare: •...
Page 182: El 0C (Refrigerant Leakage Detection Diagnosis And Solution)
EL 0C (Refrigerant Leakage Detection Diagnosis and Solution) Description: Judging the abnormality of the refrigeration system according to the number of compressor stops and the changes in operating parameters caused by excessive exhaust temperature. Recommended parts to prepare: • Indoor PCB •...
Page 183: Eh 0E(Water-Level Alarm Malfunction Diagnosis And Solution)
EH 0E(Water-Level Alarm Malfunction Diagnosis and Solution) Description: If the sampling voltage is not 5V, the LED displays the failure code. Recommended parts to prepare: • Connection wires • Water-level switch • Water pump • Indoor PCB Shut off the power supply and Shut off the power supply and turn it on 2 minutes later.
Page 184: Pc 00(Ipm Malfunction Or Igbt Over-Strong Current Protection Diagnosis And Solution)
PC 00(IPM malfunction or IGBT over-strong current protection Diagnosis and Solution) Description: When the voltage signal the IPM sends to the compressor drive chip is abnormal, the display LED shows “PC 00” and the AC turn off. Recommended parts to prepare: •...
Page 185: Pc 01(Over Voltage Or Too Low Voltage Protection)/Pc
PC 01(Over voltage or too low voltage protection)/PC 10(Outdoor unit low AC voltage protection)/PC 11(Outdoor unit main control board DC bus high voltage protection)/PC 12(Outdoor unit main control board DC bus high voltage protection /341 MCE error) Diagnosis and Solution Description: Abnormal increases or decreases in voltage are detected by checking the specified voltage detection circuit.
Page 186: Pc 04(Inverter Compressor Drive Error Diagnosis And Solution)
PC 04(Inverter compressor drive error Diagnosis and Solution) Description: An abnormal inverter compressor drive is detected by a special detection circuit, including communication signal detection, voltage detection, compressor rotation speed signal detection and so on. Recommended parts to prepare: • Connection wires •...
Page 187: Pc 03/Pc 31(Low Pressure Protection Diagnosis And Solution)
7.10 PC 03/PC 31(Low Pressure Protection Diagnosis and Solution) Description: If the sampling voltage is not 5V, the LED displays a failure code. Recommended parts to prepare: • Connection wires • Low pressure protector • Indoor fan assembly • Outdoor PCB Troubleshooting and repair: Low pressure protection Low pressure protection...
Page 188: Protection Of Ipm Module Diagnosis And Solution)
7.11 PC 02/LC 06(Top temperature protection of compressor or High temperature protection of IPM module diagnosis and solution) Description: For some models with overload protection, If the sampling voltage is not 5V, the LED will display the failure. If the temperature of IPM module is higher than a certain value, the LED displays the failure code. Recommended parts to prepare: •...
Page 189: Ec 0D(Outdoor Unit Malfunction Diagnosis And Solution)
Check the fastening screws on the PCB and IPM radiator. Replace the outdoor Are they fixed tightly? control PCB. Tighten the screws and apply silicon grease. 7.12 EC 0d(Outdoor unit malfunction Diagnosis and Solution) Description: The indoor unit detect the outdoor unit is error. Recommended parts to prepare: •...
Page 190: Pc 40(Communication Error Between Outdoor Main Pcb And Ipm Board Diagnosis And Solution)
7.13 PC 40(Communication error between outdoor main PCB and IPM board diagnosis and solution) Description: The main PCB cannot detect the IPM board. Recommended parts to prepare: • Connection wires • IPM board • Outdoor main PCB • Electric control box Troubleshooting and repair: Is there at least one LED in Is there at least one LED in...
Page 191: Pc 08(Current Overload Protection)/Pc 44(Outdoor Unit Zero Speed Protection)
7.14 PC 08(Current overload protection)/PC 44(Outdoor unit zero speed protection)/ PC 46(Compressor speed has been out of control)/PC 49(Compressor overcurrent failure) diagnosis and solution Description: An abnormal current rise is detected by checking the specified current detection circuit. Recommended parts to prepare: •...
Page 192 Was the protection activated Was the protection activated in standby? in standby? Restart the unit when the power supply Restart the unit when the power supply Is the power voltage is normal? Is the power voltage is normal? returns to normal returns to normal Is outdoor terminal voltage Is the power wiring...
Page 193: Pc 0F(Pfc Module Protection Diagnosis And Solution)
7.15 PC 0F PFC module protection diagnosis and solution) Description: When the voltage signal that IPM send to compressor drive chip is abnormal, the LED displays the failure code and the AC turns off. Recommended parts to prepare: • Connection wires •...
Page 194: Ec 72 (Lack Phase Failure Of Outdoor Dc Fan Motor Diagnosis And Solution)
7.16 EC 72 (Lack phase failure of outdoor DC fan motor diagnosis and solution) Description: When the three-phase sampling current of the DC motor is abnormal, especially when the current of one or more phases is always small and almost 0, the LED displays the failure code. Recommended parts to prepare: •...
Page 195: Pc 43 (Outdoor Compressor Lack Phase Protection Diagnosis And Solution)
7.17 PC 43 (Outdoor compressor lack phase protection diagnosis and solution) Description: When the three-phase sampling current of the compressor is abnormal, especially when the current of one or more phases is always small and almost 0, the LED displays the failure code Recommended parts to prepare: •...
Page 196: Pc 45 (Outdoor Unit Ir Chip Drive Failure Diagnosis And Solution)
7.18 PC 45 (Outdoor unit IR chip drive failure diagnosis and solution) Description: When the IR chip detects its own parameter error, the LED displays the failure code when power on. Recommended parts to prepare: • Inverter module PCB. Troubleshooting and repair: Power off,then restart the unit 2 minutes later.
Page 197: Pc 30 (High Pressure Protection Diagnosis And Solution)
7.20 PC 30 (High pressure protection diagnosis and solution) Description: Outdoor pressure switch cut off the system because high pressure is higher than 4.4 MPa Recommended parts to prepare: • Connection wires • Pressure switch • Outdoor fan • Outdoor main PCB Troubleshooting and repair: ...
Page 198 High pressure protection High pressure protection Are the high pressure switch Are the high pressure switch Connect high pressure switch and Connect high pressure switch and and main control boar wired and main control boar wired mian control board mian control board correctly? correctly? Is the high pressure...
Page 199: Pc 0A (High Temperature Protection Of Condenser Diagnosis And Solution)
7.21 PC 0A (High temperature protection of condenser diagnosis and solution) Description: When the outdoor pipe temperature is more than 65°C, the unit stops. It starts again only when the outdoor pipe temperature is less than 52°C. Recommended parts to prepare: •...
Page 200: Pc 06 (Discharge Temperature Protection Of Compressor Diagnosis And Solution)
7.22 PC 06 (Discharge temperature protection of compressor diagnosis and solution) Description: If the compressor discharge temperature exceeds a certain level for nine seconds, the compressor ceases operation, the LED displays the failure code Recommended parts to prepare: • Connection wires •...
Page 201: Eh 0B(Communication Error Between Indoor Two Chips Diagnosis And Solution)
7.23 EH 0b(Communication error between indoor two chips diagnosis and solution) Description: Indoor PCB main chip does not receive feedback from another chip. Recommended parts to prepare: • Indoor main board • Adapter board Troubleshooting and repair: Shut off the power supply and turn it on 2 minutes later.
Page 202: El 16(Communication Malfunction Between Adapter Board And Outdoor Main Board Diagnosis And Solution)
7.24 EL 16(Communication malfunction between adapter board and outdoor main board diagnosis and solution) Description: The adapter PCB cannot detect the main control board. Recommended parts to prepare: • Connection wires • Adapter board • Outdoor main PCB Troubleshooting and repair: Power off, then restart the unit after 3 minutes.
Page 203: Pc 41(Putdoor Compressor Current Sampling Circuit Failurediagnosis And Solution)
7.26 PC 41(Outdoor compressor current sampling circuit failure diagnosis and solution) Description: Three-phase sampling offset voltage error, the static bias voltage is normally 2.5V Recommended parts to prepare: • Outdoor main PCB Troubleshooting and repair: Shut off the power supply and turn it on 2 minutes later.
Page 204: Check Procedures
8. Check Procedures 8.1 Temperature Sensor Check WARNING Be sure to turn off all power supplies or disconnect all wires to avoid electric shock. Operate after compressor and coil have returned to normal temperature in case of injury. 1. Disconnect temperature sensor from PCB (Refer to Chapter 5. Indoor Disassembly and Chapter 6. Outdoor Disassembly). 2.
Page 205 Resistance Value ASM135D23UFZ ATQ420D1UMU ASN98D22UFZ ATF235D22UMT ATQ360D1UMU Blue-Red Ω Blue-Black 1.75Ω 0.37Ω 0.75Ω 0.37Ω 1.57 Red-Black ATF250D22UMT Resistance Value ATM115D43UFZ2 ATF310D43UMT KSK103D33UEZ3 ASM98D32UFZ KTF250D22UMT Blue-Red Blue-Black 1.87Ω 0.75Ω 0.65Ω 2.13Ω 2.2Ω Red-Black Resistance Value ASN140D21UFZ ASK89D29UEZD KSN140D21UFZ KTM240D57UMT KSN140D58UFZ Blue-Red Blue-Black 1.28Ω...
Page 206 Note: The picture and the value are only for reference, actual condition and speciﬁc value may vary. 8.3 IPM Continuity Check WARNING Electricity remains in capacitors even when the power supply is off. Ensure the capacitors are fully discharged before troubleshooting. 1.
Page 207 Note: The picture and the value are only for reference, actual condition and speciﬁc value may vary. Normal voltage of P and N 208-240V(1-phase,3-phase) 380-415V(3-phase) In standby around 310VDC around 530VDC In operation With passive PFC module With partial active PFC With fully active PFC module module...
Page 208 Indoor Unit Disassembly-Air Handle Contents Indoor Unit Disassembly ..................1 Electrical Parts ....................2 Fan Motor and Fan ..................5 Evaporator .....................7...
Page 209: Indoor Unit Disassembly
1. Indoor Unit Disassembly Electrical Parts (Antistatic gloves must be worn.) Procedure Illustration 1) Remove 2 screws of the upper cover Plate assembly and then remove the it. (see CJ_AHU_001) CJ_AHU_001 2) Remove 2 screws and unplug the plugs. (see CJ_AHU_002) 3) Pull out the electric control box subassembly.(see CJ_AHU_002) CJ_AHU_002...
Page 210 Procedure Illustration 4) Release 2 ﬁxing screws and 1earthing screw.(see CJ_AHU_003) 5) Unplug the plugs and then remove the main control board subassembly. (see CJ_AHU_003) CJ_AHU_003 6) Release 1 ﬁxing screw of the data transfer module control board to remove it. (see CJ_AHU_004) CJ_AHU_004 Note: This section is for reference only.
Page 211 Procedure Illustration 7) Release 2 screws and then remove the transformer. (see CJ_AHU_005) CJ_AHU_005 Note: This section is for reference only. Actual unit appearance may vary.   Indoor Unit Disassembly 4...
Page 212: Fan Motor And Fan
Fan Motor and Fan Procedure Illustration 1) Remove 2 screws of fan assembly (see CJ_AHU_006) CJ_AHU_006 2) Take out the fan assembly (see CJ_ AHU_007) CJ_AHU_007 Note: This section is for reference only. Actual unit appearance may vary.   Indoor Unit Disassembly 5...
Page 213 Procedure Illustration 3) Release 3 nuts fixing the fan motor and then take out the fan motor. (see CJ_AHU_008) CJ_AHU_008 4) Release the 1 nut fixing the fan and then take out the fan. (see CJ_AHU_009) CJ_AHU_009 Note: This section is for reference only. Actual unit appearance may vary. ...
Page 214: Evaporator
Evaporator Procedure Illustration 1) Remove the cover plate (see CJ_ AHU_010) CJ_AHU_010 2) Remove 3 screws of cover plate assembly(below) (see CJ_AHU_011) CJ_AHU_011 Note: This section is for reference only. Actual unit appearance may vary.   Indoor Unit Disassembly 7...
Page 215 Procedure Illustration 3) Take out the evaporator(with water collector assembly). (see CJ_AHU_012) CJ_AHU_012 4) Remove 2 screws of water collector assembly.(see CJ_AHU_013) 4) Release evaporator and the water collector assembly. CJ_AHU_013 Note: This section is for reference only. Actual unit appearance may vary. ...
Page 216 Outdoor Unit Disassembly Contents Outdoor Unit Table ....................2 Outdoor Unit Disassembly ..................3 Panel Plate .....................3 Electrical Parts .....................16 Fan Assembly ....................41 Fan Motor ....................42 Sound Blanket .....................43 Four-way Valve ....................44 Compressor ....................45...
Page 217: Outdoor Unit Table
1. Outdoor Unit Disassembly Outdoor Unit Table Outdoor Unit Model Panel Plate PCB Board MOX330U-18HFN1-MR0 X330 PCB Board 11 MOX430U-18HFN1-M X430 PCB Board 3 MOD30-24HFN1-MW PCB Board 14 MOX430U-24HFN1-MR0 X430 PCB Board 3 MOD30U-30HFN1-MR0 PCB Board 14 MOD30U-30HFN1-MR0(X) PCB Board 14 MOD30U-36HFN1-MR0 PCB Board 14 MOE31U-36HFN1-M...
Page 218: Panel Plate
2. Outdoor Unit Disassembly 2.1 Panel Plate 1. X230/X330 Procedure Illustration 1) Turn off the air conditioner and the power breaker. 2) Remove the screw of the big handle and then remove the big handle (1 screws) (see CJ_X230_001). Big Handle CJ_X230_001 Top Cover 3) Remove the screws of the top cover...
Page 219 Procedure Illustration 4) Remove the screws of water collecting cover and then remove the water collecting cover (2 screws) (see CJ_ X230_003). Water Collecting Cover CJ_X230_003 5) Remove the screws of the front panel and then remove the front panel (7 screws(onoff models) or 9 screws(inverter models) (see CJ_ X230_004).
Page 220 Procedure Illustration 6) Remove the screws of the right panel and then remove the right panel (5 screws) (see CJ_X230_005). Right Panel CJ_X230_005 Note: This section is for reference only. Actual unit appearance may vary.   Outdoor Unit Disassembly 5...
Page 221 2.X430 Procedure Illustration 1) Turn off the air conditioner and the power breaker. 2) Remove the screw of the big handle and then remove the big handle (1 screw) (see CJ_X430_001). Big Handle CJ_X430_001 Top Cover 3) Remove the screws of the top cover and then remove the top cover (3 screws).
Page 222 Procedure Illustration 4) Remove the screws of water collecting cover and then remove the water collecting cover (2 screws) (see CJ_ X430_003). Water Collecting Cover CJ_X430_003 5) Remove the screws of the front panel and then remove the front panel (7 screws(onoff models) or 9 screws(inverter models) (see CJ_ X430_004).
Page 223 Procedure Illustration 6) Remove the screws of the right panel and then remove the right panel (6 screws) (see CJ_X430_005). Right Panel CJ_X430_005 Note: This section is for reference only. Actual unit appearance may vary.   Outdoor Unit Disassembly 8...
Page 224 3. D30 Procedure Illustration 1) Turn off the air conditioner and the Big Handle power breaker. 2) Remove the screws of the big handle and then remove the big handle (2 screws) (see CJ_D30_001). CJ_D30_001 3) Remove the screws of the top cover and then remove the top cover (4 Top Cover screws).
Page 225 Procedure Illustration 4) Remove the screws of the front right panel and then remove the front right panel (2 screws) (see CJ_D30_003). Front Right Panel CJ_D30_003 5) Remove the screws of the front panel and then remove the front panel (9 screws) (see CJ_D30_004).
Page 226 Procedure Illustration 6) Remove the screws of water collecting cover and then remove the water collecting cover (2 screws) (see CJ_ D30_005). Water Collecting Cover CJ_D30_005 7) Remove the screws of the rear net and then remove the rear net (2 screws) (see CJ_D30_006).
Page 227 Procedure Illustration 8) Remove the screws of the right panel and then remove the right panel (8 screws) (see CJ_D30_007). Right Panel CJ_D30_007 Note: This section is for reference only. Actual unit appearance may vary.   Outdoor Unit Disassembly 12...
Page 228 4. E30/590 Procedure Illustration 1) Turn off the air conditioner and the power breaker. 2) Remove the screws of the big handle and then remove the big handle (2 screws) (see CJ_E30_001). CJ_E30_001 3) Remove the screws of the top cover and then remove the top cover (4 screws).
Page 229 Procedure Illustration 5) Remove the screws of the front right panel and then remove the front right panel (2 screws) (see CJ_E30_004). CJ_E30_004 Note: This section is for reference only. Actual unit appearance may vary.   Outdoor Unit Disassembly 14...
Page 230 Procedure Illustration 1) Remove the screws of the front panel and then remove the front panel (7 screws) (see CJ_E30_005). CJ_E30_005 2) Remove the screws of the right panel and then remove the right panel (10 screws) (see CJ_E30_006). CJ_E30_006 Note: This section is for reference only.
Page 231: Electrical Parts
Electrical parts Antistatic gloves must be worn when you disassemble the electronic box. WARNING: Note: Remove the air outlet grille(refer to 3.1 Panel Plate) before disassembling electrical parts. 1. PCB board 1 Procedure Illustration 1) Remove the screws of the top cover. (2 screws) (see CJ_ODU_PCB_001- 1 ).
Page 232 2. PCB board 2 Procedure Illustration 1) Unﬁx the hooks and then open the electronic control box cover (4 hooks) (see CJ_ODU_PCB_002-1 ). 4-Way Valve 2) Disconnect the connector for fan CJ_ODU_PCB_002-1 motor from the electronic control board (see CJ_ODU_PCB_002-2 ). 3) Remove the connector for the Reactor compressor (see CJ_ODU_PCB_002-...
Page 233 3. PCB board 3 Procedure Illustration 1) Remove the screws and unﬁx the hooks, then open the electronic control box cover (5 screws and 2 hooks )(see CJ_ODU_PCB_003-1 ). Note:Electric control box cover cannot be removed, so the voltage between P and N cannot be measured.
Page 234 4. PCB board 4 Procedure Illustration 1) Remove the screws of the top cover. (1 screws) (see CJ_ODU_PCB_004- 1 ). CJ_ODU_PCB_004-1 2) Unﬁx the hooks and then open the electronic control box cover (5 hooks) (see CJ_ODU_PCB_004-2 ). CJ_ODU_PCB_004-2 3) Disconnect the connector for fan motor from the IPM board (see CJ_ ODU_PCB_004-3 ).
Page 235 Procedure Illustration 5) Pull out the wire connected with the terminal. (see CJ_ODU_PCB_004-4 ). T3/T4 6) Pull out connectors of the condenser coil temp. sensor(T3),outdoor ambient temp. sensor(T4) and discharge temp. sensor(TP) (see CJ_ODU_PCB_004-4 ). 7) Disconnect the electronic expansion valve wire (see Fig CJ_ODU_PCB_004- 4 ).
Page 236 5. PCB board 5 Procedure Illustration 1) Unﬁx the hooks and then open the electronic control box cover (4 hooks) (see CJ_ODU_PCB_005-1 ). 2) Disconnect the connector for outdoor DC fan from the electronic control board (see CJ_ODU_ PCB_005-2 ). 3) Remove the connector for the compressor (see CJ_ODU_PCB_005- 2 ).
Page 237 6. PCB board 6 Procedure Illustration 1) Unﬁx the hooks and then open the electronic control box cover (4 hooks) (see CJ_ODU_PCB_006-1 ). CJ_ODU_PCB_006-1 2) Remove 8 screws on the electronic control board and then turn over the electronic control board (see CJ_ODU_PCB_006-2 ).
Page 238 Procedure Illustration 3) Pull out the two blue wires connected with the four way valve. connect to IPM board PFC Inductor (see CJ_ODU_PCB_006-3 )(for heat T3&T4 Compressor pump models) 4) Pull out connectors of the condenser coil temp. sensor(T3),outdoor ambient temp. sensor(T4) and discharge temp.
Page 239 7. PCB board 7 Procedure Illustration 1) Unﬁx the hooks and then open the electronic control box cover (4 hooks) (see CJ_ODU_PCB_007-1 ). CJ_ODU_PCB_007-1 2) Remove 4 screws on the electronic control board and then remove the electronic control box subassembly. (see CJ_ODU_PCB_007-2 ).
Page 240 Procedure Illustration 3) Remove two screws and then remove the electronic control box subassembly on partition board assembly. (see CJ_ODU_PCB_007- 3 ). CJ_ODU_PCB_007-3 Note: This section is for reference only. Actual unit appearance may vary.   Outdoor Unit Disassembly 25...
Page 241 Procedure Illustration 6) Remove two screws and two connectors and then remove the inverter control board (see CJ_ODU_ PCB_007-4 ). Connect to CN301 Connect to FM1 CJ_ODU_PCB_007-4 Note: This section is for reference only. Actual unit appearance may vary.  ...
Page 242 8. PCB board 8 Procedure Illustration 1) Remove 2 screws to disconnect the power supply wires. (see CJ_ODU_ PCB_008-1) 2) Remove 3 screws to disconnect ground wires. (see CJ_ODU_ PCB_008-1) 3) Disconnect the wires connected to main control board. (see CJ_ODU_ PCB_008-1) 4) Disconnect the wires between main control board and IPM module board.
Page 243 Procedure Illustration 1) Remove 2 screws to disconnect the power supply wires. (see CJ_ODU_ PCB_008-2) 2) Remove 3 screws to disconnect the wires connected to the compressor. (see CJ_ODU_PCB_008-2) 3) Remove 3 screws to remove the radiator.(see CJ_ODU_PCB_008-2) 4) Disconnect the wires between IPM module board and main control board.
Page 244 Procedure Illustration 1) Remove the 1 screw and disconnect the wires and then remove the key board.(see CJ_ODU_PCB_008-4 )(for some models) CJ_ODU_PCB_008-4(for some models) Note: This section is for reference only. Actual unit appearance may vary. 9. PCB board 9 Procedure Illustration 2) Remove 3 screws to disconnect the...
Page 245 Procedure Illustration 7) Remove 3 screws to disconnect the power supply wires. (see CJ_ODU_ PCB_009-1) 8) Remove 3 screws to disconnect ground wires. (see CJ_ODU_ PCB_009-1) 9) Disconnect the wires connected to main control board. (see CJ_ODU_ PCB_009-2) 10) Remove the 4 screws and unﬁx the 4 hooks and then remove the ﬁlter board.(see CJ_ODU_PCB_009-2 ) 11) Remove the 2 screws of the reactor...
Page 246 10. PCB board 10 Procedure Illustration 1) Unﬁx the hooks and then open the electronic control box cover (4 hooks) (see CJ_ODU_PCB_010-1 ). CJ_ODU_PCB_010-1 2) Remove 6 screws on the electronic control board and then remove the electronic control box subassembly. (see CJ_ODU_PCB_010-2 ).
Page 247 Procedure Illustration 3) Pull out the connector, remove one screw and then remove the key board subassembly on terminal board. (see CJ_ODU_PCB_010-3 ) (for some models). CJ_ODU_PCB_010-3 Note: This section is for reference only. Actual unit appearance may vary.  ...
Page 248 11. PCB board 11 Procedure Illustration 1) Disconnect the connector for compressor and release the ground wire(1 screw). (see CJ_ODU_ PCB_011-1 ). 2) Remove the electronic control box subassembly. (see CJ_ODU_ CJ_ODU_PCB_011-1 PCB_011-2 ). Note:Electric control box cover cannot be removed, so the voltage between P and N cannot be measured.
Page 249 12. PCB board 12 Procedure Illustration 1) Pull out the connectors (see CJ_ ODU_PCB_012-1 ). 2) Remove the 9 screws and unﬁx the 3 hooks and then remove the electronic control board(see CJ_ ODU_PCB_012-2 ). CJ_ODU_PCB_012-1 3) Disconnect the wires connected to main control board.
Page 250 13. PCB board 13 Procedure Illustration 1) Remove 4 screws unﬁx the radiator. (see CJ_ODU_PCB_013-1) 2) Remove 3 screws unﬁx the electronic control box assembly and partition board. (see CJ_ODU_PCB_013-1) 3) Remove 2 screws unﬁx the electronic control box assembly and terminal board subassembly.
Page 251 Procedure Illustration 5) Disconnect the wires connected to main control board. (see CJ_ODU_ PCB_013-3) 6) Remove the 4 screws and then remove the main control board.(see CJ_ODU_PCB_013-3 ) 7) Remove 1 screw to remove the key board .(see CJ_ODU_PCB_013-3 ). CJ_ODU_PCB_013-3 8) Disconnect the wires between ﬁlter board and main control board.
Page 252 Procedure Illustration 10) Remove the 2 screws and then remove the DR module box subassembly.(see CJ_ODU_ PCB_013-5 )(DR module box subassembly is on the back of the electronic control box assembly)(for some models) CJ_ODU_PCB_013-5(for some models) 11) Remove the 2 screws and then remove the DR module board.(see CJ_ODU_PCB_013-6 )(for some models)
Page 253 14. PCB board 14 Procedure Illustration 1) Unﬁx the hooks and then open the electronic control box cover (4 hooks) (see CJ_ODU_PCB_014-1 ). CJ_ODU_PCB_014-1 2) Remove 6 screws on the electronic control board and then remove the electronic control box subassembly. (see CJ_ODU_PCB_014-2 ).
Page 254 Procedure Illustration 3) Remove the 1 screw and disconnect the wires and then remove the 24V board.(see CJ_ODU_PCB_014-3 )(for some models) CJ_ODU_PCB_014-3(for some models) Note: This section is for reference only. Actual unit appearance may vary.   Outdoor Unit Disassembly 39...
Page 255: Fan Assembly
2.3 Fan Assembly Note: Remove the panel plate (refer to 3.1 Panel Plate) before disassembling fan. Procedure Illustration 1) Remove the nut securing the fan with a spanner (see CJ_ODU_ FAN_001-1&2). 2) Remove the fan. CJ_ODU_FAN_001-1 CJ_ODU_FAN_001-2 Note: This section is for reference only. Actual unit appearance may vary. ...
Page 256: Fan Motor
Fan Motor Note: Remove the panel plate and the connection of fan motor on PCB (refer to 3.1 Panel Plate and 3.2 Electrical parts) before disassembling fan motor. Procedure Illustration 3) Remove the ﬁxing screws of the fan motor (4 screws) (see CJ_ODU_MOTOR_001). 4) Remove the fan motor.
Page 257: Sound Blanket
Sound blanket Note: Remove the panel plate (refer to 3.1 Panel plate) before disassembling sound blanket. Procedure Illustration 1) Remove the sound blanket (side and top) (see CJ_ODU_BLANKET_001). Sound Blanket(top) (Applicable to models with blanket) Sound Blanket(side) (Applicable to models with blanket) CJ_ODU_BLANKET_001 Note: This section is for reference only.
Page 258: Four-Way Valve
Four-way valve (for heat pump models) WARNING: Evacuate the system and conﬁrm that there is no refrigerant left in the system before removing the four-way valve and the compressor. (For R32 & R290, you should evacuate the system with the vacuum pump; ﬂush the system with nitrogen;...
Page 259: Compressor
2.7 Compressor WARNING: Evacuate the system and conﬁrm that there is no refrigerant left in the system before removing the four-way valve and the compressor. (For R32 & R290, you should evacuate the system with the vacuum pump; ﬂush the system with nitrogen;...
Page 260 Procedure Illustration 3) Remove the hex nuts and washers securing the compressor, located on the bottom plate (see CJ_ODU_COMP_003). CJ_ODU_COMP_003 Suction Pipe 4) Heat up the brazed parts and then remove the the discharge pipe and the suction pipe (see CJ_ODU_COMP_004). Discharge Pipe 5) Lift the compressor from the base pan assembly with pliers.
Page 261 Appendix Contents Temperature Sensor Resistance Value Table for T1, T2, T3, and T4 (°C – K) ..2 Temperature Sensor Resistance Value Table for TP (for some units)(°C --K) ..3 iii) Pressure On Service Port ..................4...
Page 262 i) Temperature Sensor Resistance Value Table for T1,T2,T3 and T4 (°C – K) °C °F K Ohm °C °F K Ohm °C °F K Ohm °C °F K Ohm 115.266 12.6431 2.35774 0.62973 108.146 12.0561 2.27249 0.61148 101.517 11.5 2.19073 0.59386 96.3423 10.9731...
Page 263 ii) Temperature Sensor Resistance Value Table for TP(for some units) (°C --K) °C °F K Ohm °C °F K Ohm °C °F K Ohm °C °F K Ohm °C °F K Ohm °C °F K Ohm °C °F K Ohm °C °F K Ohm...
Page 264 iii) Pressure On Service Port Cooling chart(R410A): ODU(DB) °F(°C) 0(-17) 5(-15) 95 (35) (-9.44) (7.22) (23.89) (29.44) (40.56) (46.11) (48.89) IDU(DB/WB) 70/59 (21.11/15) 10.1 10.6 75/63 (23.89/17.22) 10.7 11.2 80/67 (26.67/19.44) 11.2 11.9 90/73 (32.22/22.78) 10.5 10.3 10.0 10.6 12.4 13.0 70/59 (21.11/15) 75/63 (23.89/17.22)
Page 265 Heating chart(R410A): ODU(DB/WB) 57/53 47/43 37/33 27/23 17/13 (-8.33/- 0/-2 -17/-18 °F(°C) (13.89/11.67) (8.33/6.11) (2.78/0.56) (-2.78/-5) 10.56) (-17/-19) (-27/-28) IDU(DB) 55(12.78) 30.3 28.5 25.3 22.8 20.8 18.5 16.5 65(18.33) 32.5 30.0 26.6 25.4 23.3 20.5 19.0 75(23.89) 33.8 31.5 27.8 26.3 24.9 21.5...
Page 266 Cooling chart(R22): ODU(DB) °F(°C) 0(-17) 5(-15) 95 (35) (-9.44) (7.22) (23.89) (29.44) (40.56) (46.11) (48.89) IDU(DB/WB) 70/59 (21.11/15) 75/63 (23.89/17.22) 80/67 (26.67/19.44) 90/73 (32.22/22.78) 70/59 (21.11/15) 75/63 (23.89/17.22) 80/67 (26.67/19.44) 90/73 (32.22/22.78) 70/59 (21.11/15) 0.40 0.41 0.46 0.50 0.51 0.49 0.51 0.54 0.63...
Page 267 Heating chart(R22): ODU(DB/WB) 57/53 47/43 37/33 27/23 17/13 (-8.33/- 0/-2 -17/-18 °F(°C) (13.89/11.67) (8.33/6.11) (2.78/0.56) (-2.78/-5) 10.56) (-17/-19) (-27/-28) IDU(DB) 55(12.78) 18.9 17.8 15.8 14.3 13.0 11.6 10.3 65(18.33) 20.3 18.8 16.6 15.9 14.6 12.8 11.9 75(23.89) 21.1 19.7 17.3 16.4 15.6 13.4...
Page 268 Cooling chart(R32): ODU(DB) °F(°C) 0(-17) 5(-15) 95 (35) (-9.44) (7.22) (23.89) (29.44) (40.56) (46.11) (48.89) IDU(DB/WB) 70/59 (21.11/15) 10.3 10.8 75/63 (23.89/17.22) 10.9 11.4 80/67 (26.67/19.44) 11.4 12.1 90/73 (32.22/22.78) 10.7 10.5 10.2 10.8 12.6 13.3 70/59 (21.11/15) 75/63 (23.89/17.22) 80/67 (26.67/19.44) 90/73 (32.22/22.78) 70/59 (21.11/15)
Page 269 Heating chart(R32): ODU(DB/WB) 57/53 47/43 37/33 27/23 17/13 (-8.33/- 0/-2 -17/-18 °F(°C) (13.89/11.67) (8.33/6.11) (2.78/0.56) (-2.78/-5) 10.56) (-17/-19) (-27/-28) IDU(DB) 55(12.78) 30.9 29.1 25.8 23.3 21.2 18.9 16.8 65(18.33) 33.2 30.6 27.1 25.9 23.8 20.9 19.4 75(23.89) 34.5 32.1 28.4 26.8 25.4 21.9...
Page 270 System Pressure Table-R22 Pressure Temperature Pressure Temperature °C °F °C °F 14.5 -41.091 -41.964 1600 41.748 107.146 21.75 -32.077 -25.739 1650 16.5 239.25 43.029 109.452 -25.177 -13.319 1700 246.5 44.281 111.706 36.25 -19.508 -3.114 1750 17.5 253.75 45.506 113.911 43.5 -14.654 5.623 1800...
Page 271 System Pressure Table-R410A Pressure Temperature Pressure Temperature °C °F °C °F 14.5 -51.623 -60.921 2350 23.5 340.75 38.817 101.871 21.75 -43.327 -45.989 2400 39.68 103.424 -36.992 -34.586 2450 24.5 355.25 40.531 104.956 36.25 -31.795 -25.231 2500 362.5 41.368 106.462 43.5 -27.351 -17.232 2550...
Page 272 System Pressure Table-R32 Pressure Temperature Pressure Temperature °C °F °C °F 14.5 -51.909 -61.436 1850 18.5 268.25 28.425 83.165 21.75 -43.635 -46.543 1900 275.5 29.447 85.005 -37.323 -35.181 1950 19.5 282.75 30.448 86.806 36.25 -32.15 -25.87 2000 31.431 88.576 43.5 -27.731 -17.916 2050...

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