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Summary of Contents for Airwell AWSI-XAD012-N11
- Page 1 DCI Light Commercial Series CBD Indoor Units DCD Indoor Units FBD Indoor Units FWDB indoor Units XAD Indoor Units Outdoor Units AWSI-XAD012-N11 AWAU-YLD012-H11 AWSI-XAD018-N11 AWAU-YLD018-H11 REFRIGERANT REFRIGERANT R410A HEATPUMP SM YLD DCI Ver.6 GB JUNE 2016...
- Page 2 Contents Part 1 General Information ....................1 Part 2 Indoor Units ....................... 31 Part 3 Outdoor Units ......................147 Part 4 Installation ........................ 178 Part 5 Electrical Control System ..................211 ※The specifications, designs, and information in this book are subject to change without notice for product improvement.
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Page 3: Table Of Contents
General Information Part 1 General Information 1. Model Lists .......................... 2 2. External Appearance ......................3 2.1 Indoor Units ....................... 3 2.2 Outdoor Units ......................4 3. Product specification ......................5 4. Features ..........................30 General Information... - Page 4 Console Cooling and heating ● ● 1.2 Outdoor Units Universal Outdoor unit Model Compressor type Compressor Brand Matched indoor units AWSI-CBD012-N11 AWAU-YLD012-H11 Rotary GMCC AWSI-DCD012-N11 AWSI-XAD012-N11 AWSI-CBD018-N11 AWSI-DCD018-N11 AWAU-YLD018-H11 Rotary GMCC AWSI-FBD018-N11 AWSI-FWBD018-N11 AWSI-XAD018-N11 AWSI-CBD024-N11 AWSI-DCD024-N11 AWAU-YLD024-H11 Twin-rotary GMCC AWSI-FBD024-N11...
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Page 5: External Appearance
External Appearance 2. External Appearance 2.1 Indoor Units Super slim cassette Compact Four-way cassette Console Ceiling-Floor Duct(12000-48000Btu/h) Duct(60000Btu/h) General Information... -
Page 6: Outdoor Units
External Appearance 2.2 Outdoor Units Single fan outdoor unit Double fan outdoor unit General Information... -
Page 7: Product Specification
Product specification Model Indoor Unit AWSI-XAD012-N11 Model Outdoor Unit AWAU-YLD012-H11 Installation Method of Pipe Flared Heating Characteristics Units Cooling Average Capacity Pdesign SEER /SCOP Energy efficiency class Annual energy consumption 1290 Tbiv Power supply V/Ph/Hz 220-240V/Single/50Hz Circuit breaker rating Fan type & quantity... - Page 8 Product specification Model Indoor Unit AWSI-XAD018-N11 Model Outdoor Unit AWAU-YLD018-H11 Installation Method of Pipe Flared Heating Characteristics Units Cooling Average Capacity Pdesign SEER /SCOP Energy efficiency class Annual energy consumption 1842 Tbiv Power supply V/Ph/Hz 220-240V/Single/50Hz Circuit breaker rating 10+16 Fan type &...
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Page 9: Features
Features Features 4.1. To meet Europe A level, actual EER/COP of new product with BLDC motors of indoor & outdoor unit and DC compressor will be higher than 3.4. 4.2. Low ambient kit is standard for outdoor units 4.3. Network control function is standard for the indoor units. 4.4. - Page 10 Indoor Units Part 2 Indoor Units Super Slim Cassette Type ....................32 Duct Type ..........................52 Ceiling & Floor Type ......................91 Four-way Cassette Type (Compact) .................. 114 Console Type ........................132 Indoor Units...
- Page 11 Console Type Console Type 1. Features .......................... 133 2. Dimensions ........................135 3. Service Space ......................... 136 4. Wiring Diagrams ......................137 5. Air Velocity and Temperature Distributions(Reference Data) ........138 6. Electric Characteristics ....................139 7. Sound Levels ........................140 8.
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Page 12: Features
Features 1. Features 1.1. Modern and elegant appearance The simple and stylish designs can nicely harmonies with your living space. 1.2. Four panels optional 1.3. Two air-outlet ways Cooling mode Quick Cooling To maintain room temp Air outlet from top and bottom to make quick cooling ------When the A/C is just switched on, or room ... - Page 13 Features louver closed. 1.4. Four air inlets 1.5. Low noise DC indoor fan motor, which has five speeds. Low noise and energy saving. Advanced centrifugal fan technology makes a fast airflow and reduces the indoor noise lower to 28dB. ...
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Page 14: Dimensions
Dimensions 2. Dimensions AWSI-XAD012-N11、AWSI-XAD018-N11 Console Type... -
Page 15: Service Space
Service Space 3. Service Space Console Type... -
Page 16: Wiring Diagrams
Wiring Diagrams 4. Wiring Diagrams AWSI-XAD012-N11 AWSI-XAD018-N11 Console Type... -
Page 17: Air Velocity And Temperature Distributions(Reference Data)
Air Velocity and Temperature Distributions(Reference Data) 5. Air Velocity and Temperature Distributions(Reference Data) Discharge angle 60 Airflow velocity Temperature Console Type... -
Page 18: Electric Characteristics
Electric Characteristics 6. Electric Characteristics Indoor Units Power Supply Model Voltage Min. Max. AWSI-XAD012-N11 220-240 AWSI-XAD018-N11 220-240 Note: MFA: Max. Fuse Amps. (A) Console Type... -
Page 19: Sound Levels
Sound Levels 7. Sound Levels Microphone 1.5m Noise level dB(A) Noise Power Model dB(A) AWSI-XAD012-N11 AWSI-XAD018-N11 Console Type... -
Page 20: Accessories
Remote controller Frame Remote controller & Its Frame Mounting screw(ST2.9×10-C-H) Alkaline dry batteries (AM4) Installation manual Others Owner's manual 9. The Specification of Power Capacity(Btu/h) AWSI-XAD012-N11 AWSI-XAD018-N11 Phase 1-phase Frequency and Voltage 220-240V, 50Hz Indoor Unit Power Power Wiring(mm 3×1.0... -
Page 21: Field Wiring
Field Wiring 10. Field Wiring AWSI-XAD012-N11 AWSI-XAD018-N11 Console Type... -
Page 22: Exploded View And Spare Part List
Exploded View and Spare Part list 11. Exploded View and Spare Part list Exploded View of indoor unit:AWSI-XAD012-N11 Console Type... - Page 23 Exploded View and Spare Part list Spare part list of indoor unit:AWSI-XAD012-N11 BOM Code Part Name Quantity 2011440A0001 Panel assembly 201144090002 Air filter 201144090022 Panel frame assembly 201544090014 Evaporator assembly 202301310085 Pipe temperature sensor assembly 201144090030 Ventilation assembly 201144090016 Chassis assembly...
- Page 24 Exploded View and Spare Part list Exploded View of indoor unit:AWSI-XAD018-N11 Console Type...
- Page 25 Exploded View and Spare Part list Spare part list of indoor unit:AWSI-XAD018-N11 BOM Code Part Name Quantity 2011440A0001 Panel assembly 201144090002 Air filter 201144090022 Panel frame assembly 201544190012 Evaporator assembly 202301310085 Pipe temperature sensor assembly 201144090030 Ventilation assembly 201144090016 Chassis assembly 201244090009 Hang board assembly 201131410703...
- Page 26 Outdoor Units Part 3 Outdoor Units 1. Dimensions ........................148 2.Service Space ........................150 3. Piping Diagrams ......................151 4.Wiring Diagrams ......................152 5.Electric Characteristics ....................156 6.Operation Limits ......................157 7.Sound Levels ........................158 8.Exploded View and Spare Part list ................. 159 Outdoor Units...
- Page 27 Dimensions 1. Dimensions Unit：mm Model AWAU-YLD012-H11 AWAU-YLD018-H11 AWAU-YLD024-H11 AWAU-YLD030-H11 AWAU-YLD036-H11 AWAU-YLD036-H13 Outdoor Units...
- Page 28 Dimensions Unit：mm Model AWAU-YLD048-H13 633.5 1369 AWAU-YLD060-H13 633.5 1369 Outdoor Units...
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Page 29: Service Space
Service Space 2. Service Space (Wall or obstacle) More than 30cm Air inlet More than 60cm More than 30cm Maintain channel Air inlet More than 60cm Air outlet More than 200cm Outdoor Units... -
Page 30: Piping Diagrams
Piping Diagrams 3. Piping Diagrams AWAU-YLD012-H11 AWAU-YLD018-H11 AWAU-YLD024-H11 AWAU-YLD030-H11 INDOOR OUTDOOR Electronic CAPILIARY TUBE expansion valve LIQUID SIDE 2-WAY VALVE T3 Condenser temp. sensor HEAT EXCHANGE (EVAPORATOR) HEAT T4 Ambient T1 Room temp. T2 Evaporator EXCHANGE temp. sensor sensor temp. sensor (CONDENSER) middle T2B Evaporator... -
Page 31: Wiring Diagrams
Wiring Diagrams 4. Wiring Diagrams AWAU-YLD012-H11 Outdoor Units... - Page 32 Wiring Diagrams AWAU-YLD018-H11 AWAU-YLD024-H11 AWAU-YLD030-H11 AWAU-YLD036-H11 Outdoor Units...
- Page 33 Wiring Diagrams AWAU-YLD036-H13 AWAU-YLD048-H13 Outdoor Units...
- Page 34 Wiring Diagrams AWAU-YLD060-H13 Outdoor Units...
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Page 35: Electric Characteristics
Electric Characteristics 5. Electric Characteristics Outdoor Unit Power Supply Model Voltage Min. Max. AWAU-YLD012-H11 220-240V 198V 254V AWAU-YLD018-H11 220-240V 198V 254V AWAU-YLD024-H11 220-240V 198V 254V AWAU-YLD030-H11 220-240V 198V 254V AWAU-YLD036-H11 220-240V 198V 254V AWAU-YLD036-H13 380-415V 342V 440V AWAU-YLD048-H13 380-415V 342V 440V AWAU-YLD060-H13 380-415V... -
Page 36: Operation Limits
Operation Limits 6. Operation Limits Temperature Cooling operation Heating operation Mode Room temperature ≤30℃ ≥17℃ 0℃～50℃ -15℃～50℃ Outdoor temperature -15℃～24℃ (For the models with low temperature cooling system) CAUTION: 1. If the air conditioner is used beyond the above conditions, certain safety protection features may come into operation and cause the unit to operate abnormally. -
Page 37: Sound Levels
Sound Levels 7. Sound Levels Outdoor Unit Microphone 1.0m Note: H= 0.5 × height of outdoor unit Model Noise Power dB(A) Noise level dB(A) AWAU-YLD012-H11 AWAU-YLD018-H11 AWAU-YLD024-H11 AWAU-YLD030-H11 AWAU-YLD036-H11 AWAU-YLD036-H13 AWAU-YLD048-H13 AWAU-YLD060-H13 Outdoor Units... -
Page 38: Exploded View And Spare Part List
Exploded View and Spare Part list 8. Exploded View and Spare Part list Exploded View of outdoor unit:AWAU-YLD012-H11 Outdoor Units... - Page 39 Exploded View and Spare Part list Spare part list of outdoor unit:AWAU-YLD012-H11 BOM Code Part Name Quantity 202301310063 Ambient temperature sensor assembly 2011374G0003 Rear net 201537390033 Condenser assembly 201637490766 Input pipe assembly 201537390034 Condenser assembly 201637490176 Fluted pipe assembly 202440500004 Pipe temperature sensor assembly 201237200299 Valve plate...
- Page 40 Exploded View and Spare Part list Exploded View of outdoor unit:AWAU-YLD018-H11 Outdoor Units...
- Page 41 Exploded View and Spare Part list Spare part list of outdoor unit:AWAU-YLD018-H11 BOM Code Part Name Quantity 202301310075 Ambient temperature sensor assembly 2011481G0001 Rear net 201537990084 Condenser assembly 201637991011 Input pipe assembly 201537990003 Condenser assembly 201637991010 Fluted pipe assembly 202440500004 Pipe temperature sensor assembly 201237300316 Valve plate...
- Page 42 Installation Part 4 Installation 1.Installation Procedure ..................... 179 2.Location selection ......................180 3.Indoor unit installation ....................181 4.Outdoor unit installation (Side Discharge Unit) ............198 5.Refrigerant pipe installation ................... 200 6.Drainage pipe installation ....................203 7.Vacuum Drying and Leakage Checking ................. 207 8.Additional refrigerant charge ..................
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Page 43: Installation Procedure
Installation Procedure 1. Installation Procedure Indoor unit installation Outdoor unit installation location selection location selection Indoor unit installation Outdoor unit installation Refrigerant pipe Refrigerant pipe installation and insulation installation and insulation Drainage pipe installation Drainage pipe installation and insulation and insulation Vacuum drying and leakage checking Additional refrigerant charge Insulation the joint part of refrigerant pipe... -
Page 44: Location Selection
Location selection 2. Location selection 2.1 Indoor unit location selection The place shall easily support the indoor unit’s weight. The place can ensure the indoor unit installation and inspection. The place can ensure the indoor unit horizontally installed. ... -
Page 45: Indoor Unit Installation
Indoor unit installation 3. Indoor unit installation 3.1 Super slim cassette indoor unit installation 3.1.1 Service space for indoor unit Model AWSI-CBD024-N11 >275 AWSI-CBD030-N11 >275 AWSI-CBD036-N11 >275 AWSI-CBD048-N11 >317 3.1.2 Bolt pitch Installation... - Page 46 Indoor unit installation 3.1.3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed in upper picture. Drill four holes of Ø12mm, 45~50mm deep at the selected positions on the ceiling. Then embed the expansible hooks (fittings).
- Page 47 Indoor unit installation 3.1.5 Install the panel Remove the grille Remove the 4 corner covers. Hang the panel to the hooks on the mainbody. If the panel is with auto-lift grille, please watch the ropes lifing the grille, DO NOT make the ropes enwinded or blocked. Installation...
- Page 48 Indoor unit installation Tighten the screws under the panel hooks till the panel closely stick on the ceiling to avoid condensate water. Installation...
- Page 49 Indoor unit installation Hang the air-in grill to the panel, then connect the lead terminator of the swing motor and that of the control box with corresponding terminators on the body respectively. Install the 4 corner covers back. Note: The panel shall be installed after the wiring connected. Installation...
- Page 50 Indoor unit installation 3.2 Duct indoor unit installation AWSI-DCD012-N11,AWSI-DCD018-N11,AWSI-DCD024-N11,AWSI-DCD030-N11,AWSI-DCD036-N11, AWSI-DCD048-N11 3.2.1 Service space for indoor unit 3.2.2 Bolt pitch Size of outline dimension mounted plug Model AWSI-DCD012-N11 AWSI-DCD018-N11 AWSI-DCD024-N11 AWSI-DCD030-N11 1180 AWSI-DCD036-N11 1180 AWSI-DCD048-N11 1240 Installation...
- Page 51 Indoor unit installation 3.2.3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed in upper picture. Drill four holes of Ø12mm, 45~50mm deep at the selected positions on the ceiling. Then embed the expansible hooks (fittings).
- Page 52 Indoor unit installation 3.2.7 Change the air inlet direction ① Take off ventilation panel and flange, cut off the staples at side rail. ② Stick the attached seal sponge as per the indicating place in the following fig, and then change the mounting positions of air return panel and air return flange .
- Page 53 Indoor unit installation AWSI-DCD060-N11 3.2.1 Service space for indoor unit 500mm or more 600mm or more Indoor unit Maintenance and repair space 600mmx600mm 3.2.2 Bolt pitch Installation...
- Page 54 Indoor unit installation Size of mounted lug Model AWSI-DCD060-N11 1436 3.2.3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed in upper picture. Drill four holes of Ø12mm, 45~50mm deep at the selected positions on the ceiling. Then embed the expansible hooks (fittings).
- Page 55 Indoor unit installation 3.3 Ceiling & floor indoor unit installation 3.3.1 Service space for indoor unit 3.3.2 Bolt pitch ① Ceiling installation Model AWSI-FBD018-N11 AWSI-FBD024-N11 AWSI-FBD030-N11 1200 AWSI-FBD036-N11 1200 AWSI-FBD048-N11 1565 ② Wall-mounted installation Installation...
- Page 56 Indoor unit installation 3.3.3 Install the pendant bolt ① Ceiling installation Select the position of installation hooks according to the hook holes positions showed in upper picture. Drill four holes of Ø12mm, 45~50mm deep at the selected positions on the ceiling. Then embed the expansible hooks (fittings).
- Page 57 Indoor unit installation Locate the hanging arm on the hanging screw bolt. Prepare the mounting bolts on the unit. Put the side panels and grilles back. Installation...
- Page 58 Indoor unit installation ② Wall-mounted installation Hang the indoor unit by insert the tapping screws into the hanging arms on the main unit. (The bottom of body can touch with floor or suspended, but the body must install vertically.) 3.4 Compact cassette indoor unit installation 3.4.1 Service space for indoor unit 3.4.2 Bolt pitch Installation...
- Page 59 Indoor unit installation 3.4.3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed in upper picture. Drill four holes of Ø12mm, 45~50mm deep at the selected positions on the ceiling. Then embed the expansible hooks (fittings).
- Page 60 Indoor unit installation Adjust the position to ensure the gaps between the body and the four sides of ceiling are even. The body's lower part should sink into the ceiling for 10~12 mm. In general, L is half of the screw length of the installation hook.
- Page 61 Indoor unit installation Tighten the screws under the panel hooks till the panel closely stick on the ceiling to avoid condensate water. Hang the air-in grill to the panel, then connect the lead terminator of the swing motor and that of the control box with corresponding terminators on the body respectively.
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Page 62: Outdoor Unit Installation (Side Discharge Unit)
Outdoor unit installation (Side Discharge Unit) 3.5.2 Install the main body Fix the hook with tapping screw onto the wall Hang the indoor unit on the hook. (The bottom of body can touch with floor or suspended, but the body must install vertically.) 4. - Page 63 Outdoor unit installation (Side Discharge Unit) 4.1 Service space for outdoor unit (Wall or obstacle) More than 30cm Air inlet More than 60cm More than 30cm Maintain channel Air inlet More than 60cm Air outlet More than 200cm 4.2 Bolt pitch Model AWAU-YLD012-H11 AWAU-YLD018-H11...
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Page 64: Refrigerant Pipe Installation
Refrigerant pipe installation 5. Refrigerant pipe installation 5.1 Maximum pipe length and height drop Considering the allowable pipe length and height drop to decide the installation position. Make sure the distance and height drop between indoor and outdoor unit not exceeded the date in the following table. Capacity Max. - Page 65 Refrigerant pipe installation Flare dimension A (mm) Pipe diameter Flare shape 90 ° 4 1/4" (6.35) 3/8" (9.52) 12.0 12.4 R0.4~0.8 1/2" (12.7) 15.4 15.8 5/8" (15.9) 18.6 19.1 3/4" (19) 22.9 23.3 After flared the pipe, the opening part must be seal by end cover or adhesive tape to avoid duct or ...
- Page 66 Refrigerant pipe installation Note: All used branch pipe must be produced by Airwell, otherwise it causes malfunction. The indoor units should be installed equivalently at the both side of the U type branch pipe. Permitted Value Piping 18K+18K Total pipe length (Actual)
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Page 67: Drainage Pipe Installation
Drainage pipe installation 6. Drainage pipe installation Install the drainage pipe as shown below and take measures against condensation. Improperly installation could lead to leakage and eventually wet furniture and belongings. 6.1 Installation principle Ensure at least 1/100 slope of the drainage pipe ... - Page 68 Drainage pipe installation For horizontal drainage pipe (The following table is for reference) Allowable maximum water flowrate (l/h) Reference value of inner PVC pipe Remark diameter of pipe (mm) Slope 1/50 Slope 1/100 PVC25 For branch pipe PVC32 PVC40 PVC50 Could be used for confluence pipe PVC63 Attention: Adopt PVC40 or bigger pipe to be the main pipe.
- Page 69 Drainage pipe installation Branch pipe Water flow Water flow Main pipe Keep a certain degree Main pipe Branch pipe 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 ...
- Page 70 Drainage pipe installation Each indoor unit of the system should be installed it. The installation should be considering the convenience for future cleaning. Blowhole Indoor unit Indoor unit Plug Plug 6.2.9 The end of drainage pipe shall not contact with ground directly. 6.3 Drainage test 6.3.1 Water leakage test After finishing the construction of drainage pipe system, fill the pipe with water and keep it for 24 hours to...
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Page 71: Vacuum Drying And Leakage Checking
Vacuum Drying and Leakage Checking shall cause shutdown of unit. When this situation happens, the normal startup only can be recovered by turning down power supply and eliminating accumulated water. Note: Drain plug at the main water-containing plate is used for eliminating accumulated water in water-containing plate when maintaining air conditioner fault. -
Page 72: Additional Refrigerant Charge
Additional refrigerant charge Leakage test: After the vacuum degree reaches -755mmHg, stop vacuum drying and keep the pressure for 1 hour. If the indicator of vacuum gauge does not go up, it is qualified. If going up, it indicates that there is moisture or leak source. 8. -
Page 73: Engineering Of Electrical Wiring
Engineering of electrical wiring Liquid pipe Insulation meterial Gas pipe The insulation material at the joint pipe shall be 5~10cm longer than the gap of the insulation material. The insulation material at the joint pipe shall be inserted into the gap of the insulation material. ... -
Page 74: Test Operation
Test operation Select different colors for different wire according to relevant regulations. Do not use metal wire tube at the place with acid or alkali corrosion, adopt plastic wire tube to replace it. There must be not wire connect joint in the wire tube If joint is a must, set a connection box at the place. ... - Page 75 Electrical Control System Part 5 Electrical Control System 1.Electrical Control Function ..................... 212 2.Troubleshooting ......................225 Electrical Control System...
- Page 76 Electrical Control Function 1. Electrical Control Function 1.1 Definition T1: Room Air Thermistor (RAT) T2: Indoor Coil Thermistor (ICT) T2B: Indoor Return Gas Thermistor (RGT) T3: Outdoor Coil Thermistor (OCT) T4: Outdoor Air Thermistor (OAT) T5: Compressor Discharge Thermistor (CTT) 1.2 Main Protection 1.2.1 Time delay at restart for compressor.
- Page 77 Electrical Control Function 1.3 Operation Modes and Functions 1.3.1 Fan mode (1) Outdoor fan and compressor stop. (2) Temperature setting function is disabled, and no setting temperature is displayed. (3) For XAD012&CBD012: Indoor fan can be set to high/med/low/ breeze, for other models: Indoor fan can be set to high/(med)/low/auto;...
- Page 78 Electrical Control Function 1.3.2.2 Outdoor fan running rules DC_FAN_HI_SPD_ADD 28℃ 26℃ DC_FAN_MID_SPD_ADD 25℃ 23℃ DC_FAN_MIN_SPD_ADD 22℃ 20℃ DC_FAN_SLOW_SPD_ADD 19℃ 17℃ DC_FAN_SSLOW_SPD_ADD 1.3.2.3 Indoor fan running rules For XAD012: In cooling mode, indoor fan runs all the time and the speed can be selected as high, medium, low, auto and silent.
- Page 79 Electrical Control Function For CBD012 In cooling mode, indoor fan runs all the time and the speed can be selected as high, medium, low, auto and silent. The auto fan: High Medium For other models: High Medium 1.3.2.4 Evaporator low temperature T2 protection. For 12K models：...
- Page 80 Electrical Control Function ---T3>60℃ for 5 seconds, the compressor will stop until T3<52℃. For other models: When T3≥65℃ for 3 seconds, the compressor will shut off. When T3＜52,the compressor will restart. 1.3.3 Heating Mode 1.3.2.1 Outdoor PMW open angle control The unit is working in heating mode with the EXV open 300P(For 12K,it is 480P) for 3 minutes, then adjusting PMW open angle according to the temperature of compressor discharge every 2 minutes.
- Page 81 Electrical Control Function Auto fan action in heating mode: T1-Ts+ΔT -1.0 (H+-L)*0.2+L -2.0 (H+-L)*0.4+L -3.0 (H+-L)*0.6+L -4.0 (H+-L)*0.6+L -5.0 -6.0 (H+-L)*0.8+L -6.5 For CBD012: When the compressor is on, the indoor fan can be set to high, medium, low, auto and silent. And the anti-cold wind function has the priority.
- Page 82 Electrical Control Function 1.3.3.4 Defrosting mode： For 12K models： Condition of defrosting: If any one of the following items is satisfied, AC will enter the defrosting mode. After the compressor starts up and keeps running, mark the minimum value of T3 from the 10th minutes to 15th minutes as T30.
- Page 83 Electrical Control Function The other models: Condition of defrosting: Time1 3℃ Time2 Time conditions: time1 Time conditions(Meet the following conditions) 1.Running in heating mode 2. T4≥3℃ 3. Compressor is on 4. T3≤TempEnterDefrost_ADD ℃ Cleared conditions (Meet any one of the following conditions) 1.
- Page 84 Electrical Control Function 4-Way valve no longer than 10min Compressor TimeA 10S 30S Indoor fan Outdoor fan PMV running 8 mins with 300P 480P 1.3.3.5 High evaporator coil temp.T2 protection: For 12K models： TEstop Decrease TEdown Hold TEnorm Resume Off: Compressor stops. Decrease: Decrease the running frequency to the lower level.
- Page 85 Electrical Control Function Heating ΔT≤-1℃ For other models: ΔT=T1-Ts Running mode Cooling ΔT≥2℃ Fan-only -1≤ΔT<2℃ Heating ΔT<-1℃ Indoor fan will run at auto fan of the relevant mode. The louver operates same as in relevant mode. If the machine switches mode between heating and cooling, the compressor will keep stopping for 15 minutes and then choose mode according to T1-Ts.
- Page 86 Electrical Control Function When cooling, the setting temperature rises 1℃ (be lower than 30℃) every one hour, 2 hours later the setting temperature stops rising and the indoor fan is fixed at low speed. When heating, the setting temperature decreases 1℃ (be higher than 17℃) every one hour, 2 hours later the setting temperature stops rising and indoor fan is fixed at low speed.
- Page 87 Electrical Control Function automatically, and the temperature collection function of room temperature sensor will be available, the PCB will control the unit according to the room temperature detected from its own room temperature sensor and setting temperature. When the indoor PCB receives the follow-me signal from wired remote controller, the control is the same as that from wireless remote controller, but buzzer will not respond.
- Page 88 Electrical Control Function Frequency limit It means frequency limit Bit5 caused by T4. caused by T4,T3 and current. Frequency limit Bit4 caused by T2. Frequency limit Bit3 caused by T3. Frequency limit Bit2 caused by T5. Frequency limit Bit1 caused by current Frequency limit Bit0 caused by voltage...
- Page 89 Troubleshooting 2. Troubleshooting 2.1 Display board 2.1.1 Icon explanation on indoor display board (Super slim cassette). PRE-DEF indicator(cooling and Temporary button heating type) Infrared signal receiver or fan only indicator(cooling only type) FUNC Operation temp. Timer indicator Digital LED Alarm indicator 2.1.2 Icon explanation on indoor display board (Duct) PRE-DEF indicator(cooling and heating type) or fan only indicator(cooling only type)
- Page 90 Troubleshooting 2.1.4 Icon explanation on indoor display board (Compact cassette). Infrared signal receiver Temporary button Operation temp. Timer indicator Alarm indicator PRE-DEF indicator(cooling and heating type) or fan only indicator(cooling only type) 2.1.5 Icon explanation on indoor display board (Console) Infrared signal receiver Operation temp.
- Page 91 Troubleshooting 2.2 Indoor unit malfunction For Console(12K) Malfunction Running lamp Timer lamp Defrosting lamp Refrigerant Leakage Detection ☆ ☆ ◎ Open or short circuit of T1 temperature sensor ☆ Open or short circuit of T2 temperature sensor ☆ Indoor / outdoor units communication error ☆...
- Page 92 Troubleshooting Top temperature protection of compressor ☆ Outdoor current protection ☆ ☆ ☆ Inverter compressor drive error ◎ Indoor fan Speed has been out of control. ☆ O (on) X(off) ☆(flash at 5Hz) ◎(flash at 0.5Hz) For other models: Defrosting Alarm Timer Display(digital...
- Page 93 Troubleshooting 2.3 Outdoor unit malfunction Display Malfunction or Protection Outdoor EEPROM malfunction Indoor / outdoor units communication error Communication malfunction between IPM board and outdoor main board Open or short circuit of T3 or T4 temperature sensor Voltage protection of compressor PFC module protection (For 36K 1-Phase model) Outdoor fan speed is out of control Top temperature protection of compressor...
- Page 94 Troubleshooting 2.4 Solving steps for typical malfunction 2.4.1 For the indoor unit 2.4.1.1 Open or short circuit of temperature sensor Check the connections between temperature Correct the connections. sensor and PCB. Are the connections good? Check the resistance value of the sensor via Appendix 1 Is it normal? Replace indoor or outdoor PCB.
- Page 95 Troubleshooting 2.4.1.2. Outdoor unit malfunction Outdoor unit malfunction Whether the outdoor main board has error Refer to corresponding solving steps display Whether the outdoor Check whether the power is on unit is power on Check whether the communication wire Connect the wiring well or between the indoor and replace the communication wire outdoor unit is...
- Page 96 Troubleshooting 2.4.1.3. Indoor EEPROM malfunction Shut off the power supply and turn it on 5 seconds later. Is it still displaying the error code? If the EEPROM chip is welded on PCB, replace the PCB directly. Otherwise, Insert the EEPROM well check whether the EEPROM chip plugged in PCB well?
- Page 97 Troubleshooting 2.4.1.5. Indoor fan speed has been out of control. Shut off the power supply and turn it on 5 seconds The unit operates normally. later. Is it still displaying the error code? Find out the cause and have it solved. For Shut off the power supply, example, check rotate the fan by hand.
- Page 98 Troubleshooting Index 1: 1.Indoor DC fan motor(control chip is inside fan motor) Measure the resistance value of each winding by using the tester. If any resistance value is zero, the fan motor must have problems and need to be replaced. For other models: Color Black...
- Page 99 Troubleshooting DC motor voltage input and output Color Signal Voltage Vs/Vm 192V~380V Black White 13.5-16.5V Yellow 0~6.5V Blue For console: DC motor voltage input and output Color Signal Voltage 310V White Blue Yellow 0-7.5V Black Electrical Control System...
- Page 100 Troubleshooting 2.4.1.6. Refrigerant Leakage Detection Shut off the power supply and turn it on 5 seconds later. Is it still displaying the error code? Check if T2 sensor is well Is there cool air blowing fixed. Correct the installation out from indoor air outlet? or replace T2 sensor.
- Page 101 Troubleshooting 2.4.2 For the unit with TWINS function(For the super-slim cassette & A5 duct) 2.4.2.1 Communication between master unit and indoor unit malfunction F3 Displayed F3 Displayed Communication failure between Communication failure between master unit and slave unit master unit and slave unit Correct the Check the dial switch settings of Correct the...
- Page 102 Troubleshooting 2.4.3 For the outdoor unit 2.4.3.1. E0 malfunction E0 display Outdoor EEPROM malfunction If the EEPROM chip is welded on PCB, replace the PCB directly. Otherwise, Insert the EEPROM well check whether the EEPROM chip plugged in PCB well? Replace the outdoor main board Electrical Control System...
- Page 103 Troubleshooting 2.4.3.2. E2 malfunction E2 display Indoor / outdoor units communication error Power off, then turn on the unit 5 seconds later(reconnect the power wire).Is the error still displaying after several minutes? Check whether there’s any interference. Remove interference. Such as too many lamps, power Increase the capacity of anti- transformers? Or the signal wire interference...
- Page 104 Troubleshooting 2.4.3.3. E3 malfunction E3 display Communication malfunction between IPM board and outdoor main board Is there at least one LED in the IPM board light? Check the signal wire between the IPM module and the main board, is it connected good? Reconnect and retry.
- Page 105 Troubleshooting 2.4.3.4. E4 malfunction E4 display Judge 1: Outdoor condenser temp. sensor (T3) is malfunction Check whether the wiring of the condenser temp. sensor(T3) is Connect the wiring well broken off Check whether the resistance of condenser temp. sensorT3) is Replace condenser temp.
- Page 106 Troubleshooting 2.4.3.5. E5 malfunction (For single phase models) E5 display Voltage protection Check the voltage of outdoor unit power supply, whether the voltage Check the power supply between L(1) and N is about 220~240VAC Replace the power board, then check whether the system can run normally Check whether the voltage of IPM board P and N is...
- Page 107 Troubleshooting 2.4.3.6. E5 malfunction (For three phases models) E5 display Voltage protection Check whether the voltage range of P-N on IPM module is Check the power supply normal? DC277-356V for 18K/ 24KBtu/h; DC277-410V for 36KBtu/h Replace the power board, then check whether the system can run normally Check whether the voltage range of P-N on IPM module is...
- Page 108 Troubleshooting 2.4.3.7. E6 malfunction (For 36K 1-phase models) E6 display PFC module protection Check whether the connecting line between Connect it tightly, check main board and the PFC normal or not module is connected tightly Check whether the voltage range of P-N on IPM Replace the outdoor main board module is normal? DC277-...
- Page 109 Troubleshooting 2.4.3.8. E8 malfunction E8 display Outdoor fan speed has been out of control Shut off the power supply and turn it on 5 seconds later. Is it The unit operates normally. still displaying the error code? Shut off the power supply, Replace outdoor fan rotate the fan by hand.
- Page 110 Troubleshooting 2.4.3.8. P0 malfunction P0 display Temperature protection of compressor top Whether compressor Whether the connection is Reconnect and retest. operates? good? Whether refrigerant circulation volume is normal? Whether protector is normal? If Replace the protector. protector is normal,resistance = 0 Charge refrigerant Replace the outdoor main PCB Whether abnormality is the...
- Page 111 Troubleshooting 2.4.3.9. P1 malfunction (For 36K~60K models) P1 display High pressure protection Judge 1: Whether the wiring between the high pressure switch and main control Connect it well board is connected well or correctly Judge 2: Whether the high pressure protector is broken Method: Short connect the high pressure protector...
- Page 112 Troubleshooting 2.4.3.10. P2 malfunction (For 36K~60K models) P2 display Low pressure protection Judge 1: Whether the wiring between the low pressure protector and main Connect it well control board is connected well or correctly Judge 2: Whether the low pressure protector is broken Method: Short connect the low pressure protector...
- Page 113 Troubleshooting 2.4.3.11. P3 malfunction P3 display Current protection of compressor Judge 1: Check whether the input current of the power supply wire is more than 14A (For 24K it is 18A,For 36K 1phase it is 21.5A,For 36K 3phase it is11A) Check whether the refrigerant system is ok...
- Page 114 Troubleshooting 2.4.3.12. P4 malfunction When compressor discharge temperature is higher than 115°C, the unit will stop, and unit runs again when compressor discharge temperature is lower than 90°C. P4 display Temperature protection of compressor discharge Check whether the Check whether the compressor discharge temp.
- Page 115 Troubleshooting 2.4.3.13. P5 malfunction When condenser high temp. is more than 65°C, the unit will stop, and unit runs again when outdoor pipe temp. less than 52°C. P5 display High temperature protection of condenser Replace the temperature sensor Check whether the condenser temperature is more than 65°C Check whether the...
- Page 116 Troubleshooting 2.4.3.14. P6 malfunction (For single phase models) At first test the resistance between every two ports of U, V, W of IPM and P, N. If any result of them is 0 or close to 0, the IPM is defective. Otherwise, please follow the procedure below: P6 display IPM module protection Check whether the voltage...
- Page 117 Troubleshooting 2.4.3.15. P6 malfunction (For three phases models) At first test the resistance between every two ports of U, V, W of IPM and P, N. If any result of them is 0 or close to 0, the IPM is defective. Otherwise, please follow the procedure below: P6 display IPM module protection Check whether the...
- Page 118 Troubleshooting 2.4.3.16. P7 malfunction P7 display High temperature protection of evaporator Whether the Whether compressor connection is Reconnect and retest operates? good? Check the Check whether the heat resistance value of exchanger is dirty, the air- the sensor via outlet is blocked and the Replace the temperature sensor Appendix 1,Is it indoor fan is running...
- Page 119 Troubleshooting Appendix 1 Temperature Sensor Resistance Value Table (℃--K) ℃ ℃ ℃ ℃ K Ohm K Ohm K Ohm K Ohm 12.6431 2.35774 0.62973 115.266 108.146 12.0561 2.27249 0.61148 101.517 11.5000 2.19073 0.59386 96.3423 10.9731 2.11241 0.57683 89.5865 10.4736 2.03732 0.56038 84.2190 10.000...
- Page 120 Troubleshooting Appendix 2 Unit: ℃---K Discharge temp. sensor table 542.7 68.66 13.59 3.702 511.9 65.62 13.11 3.595 62.73 12.65 3.492 455.9 59.98 12.21 3.392 430.5 57.37 11.79 3.296 406.7 54.89 11.38 3.203 384.3 52.53 10.99 3.113 363.3 50.28 10.61 3.025 343.6 48.14 10.25...
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