Chapters
Table of Contents
Summary of Contents for Baja Silueta BSBSI36CTM
- Page 1 Manual de Instrucciones Baja Silueta Inverter Lea atentamente todo este manual antes de utilizar su nuevo equipo de aire acondicionado. Modelos: (DC Series) BSBSI36CTM IMPRESO EN BSBSI48CTM PAPEL ECOLÓGICO BSBSI60CTM...
- Page 2 Part 1 General Information ................... 1 Part 2 Indoor Units ......................7 Part 3 Outdoor Units ....................22 Part 4 Installation ......................33 Part 5 Electrical Control System ................53 ※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. Nomenclature ..................... 5 4. Features ...................... 6 General Information... -
Page 4: Model Lists
Model Lists 1. Model Lists 1.1 Indoor Units R410A Capacity multiplied by 1000Btu/h Type Function High static pressure ● ● ● Cooling and heating duct 1.2 Outdoor Units Universal Outdoor unit Model Compressor type Compressor Brand Matched indoor units BSBSIC36CTM Rotary DC Inverter GMCC BSBSIE36CTM... -
Page 5: External Appearance
External Appearance 2. External Appearance 2.1 Indoor Units Duct General Information... -
Page 6: Outdoor Units
External Appearance 2.2 Outdoor Units Single fan outdoor unit Double fan outdoor unit General Information... -
Page 7: Nomenclature
Nomenclature 3. Nomenclature 3.1 Indoor Unit B M BS I E 24 C T M 3.2 Outdoor Unit B M BS I C 24 C T M General Information... -
Page 8: Features
Features 4. Features 4.1 Universal outdoor unit design Indoor unit with the same capacity can match with the same outdoor unit. 4.2 High efficiency and energy saving. Thanks to the DC inverter technology and optimized piping system, the EER and COP of whole series can easily reach A-class. - Page 9 ¡Error! No hay texto con el estilo especificado en el documento. Part 2 Indoor Units Duct Type 1. Features ......................8 2. Dimensions ....................11 3. Service Space....................12 4. Wiring Diagrams ..................13 5. Static Pressure .................... 14 6. Electric Characteristics ................16 7.
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Page 10: Features
Features 1. Features 1.1 Installation accessories: (Optional) Front Board, Canvas Air Passage, Filter, Panel, for easy installation Front Board Canvas Air Passage Filter (Standard) Panel (Standard) 1.2 Easy Installation: Two air inlet styles (Bottom side or Rear side) Air inlet from rear is standard for all capacity; air inlet from bottom is optional. ... - Page 11 Features Motor Blower Housing Ventilated Panel 1.4 Reserved remote on-off and central control ports Reserved remote on-off ports and central control ports, can connect the cable of an on-off controller or a central controller to realize remote on-off control function or group control function. Remote on-off ports Central control ports 1.5 Built-in drain pump (Optional):...
- Page 12 Features 1.6 Built-in display board The standard indoor unit can be controlled by wired controller. There is a display board with a receiver in the E-box. Move out the display, and fix it in other place, even in the distance of 10m. The unit will realized remoter control. The wired controller and the display board can display the error code or production code when the chips ...
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Page 13: Dimensions
Dimensions 2. Dimensions air inlet from rear side Air filter (Standard ) 4-install hanger Liquid side Gas side 25 Drain pipe 25 Drain pipe Test mouth & Test cover 25 Drain connecting pipe ( for pump ) Electric control box Fresh air intake Air filter ( optional ) air inlet from bottom side... -
Page 14: Service Space
Service Space 3. Service Space Ensure enough space required for installation and maintenance. Duct Type... -
Page 15: Wiring Diagrams
Wiring Diagrams 4. Wiring Diagrams BSBSIE36CTM BSBSIE48CTM BSBSIE60CTM... -
Page 16: Static Pressure
Static Pressure 5. Static Pressure 2500 2000 1500 1000 External static pressure (Pa) 3000 2500 2000 1500 1000 External static pressure (Pa) Duct Type... - Page 17 Static Pressure 3000 2500 2000 1500 1000 External static pressure (Pa)
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Page 18: Electric Characteristics
Electric Characteristics 6. Electric Characteristics Indoor Unit Model Voltage Min. Max. BSBSIE36CTM 220-240 BSBSIE48CTM 220-240 BSBSIE60CTM 220-240 Duct Type... -
Page 19: Sound Levels
Sound Levels 7. Sound Levels Concealed Duct Type Discharge Suction Duct Duct 1.4m Microphone Noise level dB(A) Model BSBSIE36CTM BSBSIE48CTM BSBSIE60CTM... -
Page 20: Accessories
Accessories Accessories Name Shape Quantity Soundproof / insulation sheath Tubing & Fittings Binding tape Seal sponge Drain joint Drainpipe Fittings (for cooling & heating) Seal ring Wired controller Wired controller & Its Frame Owner s manual ， Others Installation manual Duct Type... -
Page 21: The Specification Of Power
The Specification of Power 9. The Specification of Power Model 36000Btu/h 60000Btu/h 48000Btu/h Phase 1-phase 1-phase 1-phase INDOOR Frequency and 220-240V, 50Hz 220-240V, 50Hz 220-240V, 50Hz UNIT Voltage POWER CIRCUIT BREAKER 15/10 15/10 15/10 /FUSE (A) Phase 3-phase 3-phase 3-phase 380-415V, 50Hz Frequency and Voltage 380-415V, 50Hz... -
Page 22: Field Wiring
Field Wiring 10. Field Wiring Duct Type... - Page 23 Outdoor Units Part 3 Outdoor Units 1. Dimensions ..................23 2. Service Space ................... 26 3. Piping Diagrams ................27 4. Wiring Diagrams ................28 5. Electric Characteristics ..............30 6. Operation Limits ................31 7. Sound Levels ..................32 Outdoor Units...
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Page 24: Dimensions
Dimensions Dimensions Unit：mm Model BSBSIC36CTM 1030 BSBSIC48CTM 1030 Outdoor Units... - Page 25 Dimensions Unit：mm Model BSBSIC60CTM 1333 1045 Outdoor Units...
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Page 26: Service Space
Service Space 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 27: Piping Diagrams
Piping Diagrams Piping Diagrams BSBSIC36CTM BSBSIC48CTM BSBSIC60CTM INDOOR OUTDOOR LIQUID SIDE Throttle orifice 2-WAY VALVE T3 Condenser temp. sensor HEAT EXCHANGE HEAT (EVAPORATOR) T1 Room temp. T4 Ambient EXCHANGE temp. sensor sensor (CONDENSER) T2 Evaporator temp. sensor GAS SIDE 4-WAY VALVE High pressure 3-WAY VALVE Accumulator... -
Page 28: Wiring Diagrams
Wiring Diagrams Wiring Diagrams BSBSIC36CTM BSBSI48CTM BSBSIC60CTM Outdoor Units... -
Page 29: Electric Characteristics
Electric Characteristics Electric Characteristics Outdoor Units Power Supply Model Voltage Min. Max. BSBSIC36CTM 380-415V 342V 440V BSBSIC48CTM 380-415V 342V 440V BSBSIC60CTM 380-415V 342V 440V Notes: MFA: Max. Fuse Amps. (A) Outdoor Units... -
Page 30: Operation Limits
Operation Limits Operation Limits Temperature Cooling operation Heating operation Drying operation Mode Room temperature 17℃～32℃ 0℃～30℃ 17℃～32℃ 0℃～50℃ （-15℃～50℃：For Outdoor temperature -15℃～24℃ 0℃～50℃ 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 31: Sound Levels
Sound Levels Sound Levels Outdoor Unit Microphone 1.0m Note: H= 0.5 × height of outdoor unit Noise level dB(A) Model BSBSIC36CTM BSBSIC48CTM BSBSIC60CTM Outdoor Units... - Page 32 Installation Part 4 Installation 1. Installation Procedure ................ 34 2. Location selection ................35 3. Indoor unit installation ...............36 4. Outdoor unit installation (Side Discharge Unit) ......39 5. Refrigerant pipe installation .............. 40 6. Drainage pipe installation ..............44 7.
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Page 33: 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 34: Location Selection
Installation 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 35: Indoor Unit Installation
Location selection Indoor unit installation 3.1 A5 duct indoor unit installation 3.3.1 Service space for indoor unit 3.3.2 Bolt pitch Size of outline dimension mounted plug Capacity (KBtu) 1240 48/60 1240 3.3.3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed in upper picture. Installation... - Page 36 Installation Drill four holes of Ø12mm, 45~50mm deep at the selected positions on the ceiling. Then embed the expansible hooks (fittings). 3.3.4 Install the main body Make the 4 suspender through the 4 hanger of the main body to suspend it. Adjust the hexangular nuts on the four installation hooks evenly, to ensure the balance of the body.
- Page 37 Location selection 3.3.7 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 .
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Page 38: Outdoor Unit Installation (Side Discharge Unit)
Installation 3. 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 4.3 Install the Unit... -
Page 39: Refrigerant Pipe Installation
Refrigerant pipe installation 4. 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. Model Max. - Page 40 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 41 Refrigerant pipe installation Note: All used branch pipe must be produced by Midea, 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) 24K+24K L+L1+L2 30K+30K...
- Page 42 Installation Installation...
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Page 43: Drainage Pipe Installation
Drainage pipe installation 5. 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 44 Installation 6.2.3 Individual design of drainage pipe system The drainage pipe of air conditioner shall be installed separately with other sewage pipe, rainwater pipe and drainage pipe in building. The drainage pipe of the indoor unit with water pump should be apart from the one without water pump. ...
- Page 45 Drainage pipe installation Indoor unit More than 50mm Plug More than 25mm Water storage pipe 6.2.7 Lifting pipe setting of indoor unit with water pump The length of lifting pipe should not exceed the pump head of indoor unit water pump. ...
- Page 46 Installation 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 check whether there is leakage at joint section. 6.3.2 Water discharge test Natural drainage mode(the indoor unit with outdoor drainage pump) Infuse above 600ml water through water test hole slowly into the water collector, observe whether the water can discharge through the transparent hard pipe at drainage outlet.
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Page 47: Vacuum Drying And Leakage Checking
Vacuum Drying and Leakage Checking 6. Vacuum Drying and Leakage Checking 7.1 Purpose of vacuum drying Eliminating moisture in system to prevent the phenomena of ice-blockage and copper oxidation. Ice-blockage shall cause abnormal operation of system, while copper oxide shall damage compressor. Eliminating the non-condensable gas (air) in system to prevent the components oxidizing, pressure ... -
Page 48: Additional Refrigerant Charge
Installation 7. Additional refrigerant charge After the vacuum drying process is carried out, the additional refrigerant charge process need to be performed. The outdoor unit is factory charged with refrigerant. The additional refrigerant charge volume is decided by the diameter and length of the liquid pipe between indoor and outdoor unit. Refer the following formula to calculate the charge volume. -
Page 49: Engineering Of Insulation
Engineering of insulation 8. Engineering of insulation 9.1 Insulation of refrigerant pipe 9.1.1 Operational procedure of refrigerant pipe insulation Cut the suitable pipe → insulation (except joint section) → flare the pipe → piping layout and connection→ vacuum drying → insulate the joint parts 9.1.2 Purpose of refrigerant pipe insulation During operation, temperature of gas pipe and liquid pipe shall be over-heating or over-cooling ... -
Page 50: Engineering Of Electrical Wiring
Installation 9.2.3 Insulation material selection for drainage pipe The insulation material should be flame retardant material, the flame retardancy of the material should be selected according to the local law. Thickness of insulation layer is usually above 10mm. Use specific glue to paste the seam of insulation material, and then bind with adhesive tape. -
Page 51: Test Operation
Test operation 10. Test operation 11.1 The test operation must be carried out after the entire installation has been completed. 11.2 Please confirm the following points before the test operation. The indoor unit and outdoor unit are installed properly. Tubing and wiring are correctly completed. - Page 52 Electrical Control System Part 5 Electrical Control System 1. Electrical Control Function ........54 2. Troubleshooting ............69 3. Controller ..............97 Electrical Control System...
- Page 53 Electrical Control Function 1. Electrical Control Function 1.1 Definition T1: Indoor room temperature T2: Coil temperature of evaporator T3: Coil temperature of condenser T4: Outdoor ambient temperature T5: Compressor discharge temperature Ts: Setting Temperature 1.2 Main Protection 1.2.1 Time delay at restart for compressor. 1.2.2 Sensor protection at open circuit and 36~60K: breaking disconnection.
- Page 54 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) Indoor fan can be set to high/(med)/low/auto. (4) The louver operates same as in cooling mode. (5) Auto fan: 27.5 High...
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Page 55: Part 5 Electrical Control System
Electrical Control Function Outdoor fan in low temperature cooling mode acts as follow: Exit low temperature cooling mode High fan running for 1 minute 1.3.2.3 Indoor fan running rules In cooling mode, indoor fan runs all the time and the speed can be selected as high, (medium), low and auto. The auto fan: T1-Ts Setting fan... - Page 56 Electrical Control Function 1.3.2.4 Evaporator low temperature T2 protection. When T2<2℃ and lasts for 3 minutes, the indoor has no capacity demand and resume till T2≥7℃. 1.3.2.5 Condenser high temperature T3 protection When T3≥65℃ for 3 seconds, the compressor will shut off. When T3 ＜52,the compressor will restart. 30~36K Decrease Hold...
- Page 57 Electrical Control Function Frequency linkage area: High 36~60K: High 1.3.3.3 Indoor fan running rules: When the compressor is on, the indoor fan can be set to high/(med)/low/auto. And the anti-cold wind function has the priority. Setting fan T1-Td℃ Actual fan speed speed H-（H-=H-G) H（=H）...
- Page 58 Electrical Control Function 1.3.3.4 Defrosting mode： AC will enter the defrosting mode according to the value of temp. of T3 and the value range of temp. change of T3 and also the compressor running time. Condition of ending defrosting: If any one of the following items is satisfied, the defrosting will finish and the machine will turn to normal heating mode.
- Page 59 Electrical Control Function For 18-36K(1-Phase) models: Condition of defrosting: T3≤TempEnterDefrost_ADD ℃ and lasts for 40 minutes. Defrosting action： 4-Way valve no longer than 10min Compressor TimeA 10S 30S Indoor fan Outdoor fan PMV running 6 mins with 300P 480P Condition of ending defrosting: If any one of following items is satisfied, defrosting will stop and the machine will turn to normal heating mode.
- Page 60 Electrical Control Function 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. Compressor is off. 2.
- Page 61 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 Condition of ending defrosting: If any one of following items is satisfied, defrosting will stop and the machine will turn to normal heating mode.
- Page 62 Electrical Control Function 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 63 Electrical Control Function 1.3.6.7 The setting time is relative time. 1.3.7 Economy function 1.3.7.1 The sleep function is available in cooling, heating or auto mode. 1.3.7.2. Operation process in sleep mode is as follow: 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.
- Page 64 Electrical Control Function 1.3.7.4 Timer setting is available 1.3.8 Auto-Restart function The indoor unit is equipped with auto-restart function, which is carried out through an auto-restart module. In case of a sudden power failure, the module memorizes the setting conditions before the power failure. The unit will resume the previous operation setting (not including Swing function) automatically after 3 minutes when power returns.
- Page 65 Electrical Control Function digital display tube show “5.0”,it means the capacity demand is 15. the digital display tube show “60”,it means the capacity demand is 6.0) Amendatory capacity demand code The frequency after the capacity requirement transfer The frequency after the frequency limit The frequency of sending to 341 If the temp.
- Page 66 Electrical Control Function If capacity demand code is higher than 99, the digital display 2# Indoor unit capacity demand code tube will show single digit and tens digit. (For example, the digital display tube show “5.0”,it means the capacity demand is 15.
- Page 67 Troubleshooting 2. Troubleshooting 2.1 Display board 2.1.1 Icon explanation on indoor display board (A5 Duct & High static pressure Duct) PRE-DEF indicator(cooling and heating type) or fan only indicator(cooling only type) Alarm indicator Timer indicator Infrared signal receiver Operation lamp Display digital tube Temporary button OPERATION TIMER DEF./FAN ALARM...
- Page 68 Troubleshooting 2.2 Indoor unit malfunction Operation Lamp Malfunction Error Code Timer Lamp (flashes) Indoor EEPROM malfunction Communication malfunction between indoor and outdoor units Open or short circuit of T1 temperature sensor Open or short circuit of T2 temperature sensor Refrigerant leakage detection Water level alarm Communication error between master and slave unit (for twins system) Another indoor unit malfunction (for twins system)
- Page 69 Troubleshooting 2.3 Outdoor unit malfunction LED6 LED5 Indoor Display Malfunction or Protection (Green) (Red) ☆ IGBT over-strong current protection Voltage protection of compressor Communication malfunction between indoor and outdoor ☆ ☆ units. O(light) X(off) ☆(flash at 2.5Hz) 18~60k Display Malfunction or Protection Outdoor EEPROM malfunction Communication malfunction between indoor and outdoor units.
- Page 70 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 Check the connections between temperature between temperature Correct the connections. Correct the connections. sensor and PCB. Are the sensor and PCB.
- Page 71 Troubleshooting 2.4.1.3. Indoor EEPROM malfunction Power off, then restart the unit 2 minutes later Replace the indoor main PCB EEPROM: An electrically erasable programmable read-only memory whose contents can be erased and reprogrammed using a pulsed voltage. 2.4.1.4. Water-level alarm malfunction Power off, then restart the unit 2 minutes Power off, then restart the unit 2 minutes later.
- Page 72 Troubleshooting 2.4.1.5. Indoor fan Speed has been out of control.(Only for console 12k) Power off, then restart the Power off, then restart the unit 2 minutes later. Is it still unit 2 minutes later. Is it still The unit operates normally. The unit operates normally.
- Page 73 Troubleshooting 2.4.1.6. Inverter compressor drive protection (Only for compact cassette 12k & console 12k) Refer to the outdoor unit P6 malfunction part to solve this problem. 2.4.1.7 Communication malfunction between indoor and outdoor units. The same as E2 in outdoor. 2.4.2 For the super-slim cassette with up-down panel 2.4.2.1 Communication error between indoor unit and up-down panel F0 Displayed...
- Page 74 Troubleshooting 2.4.3 For the unit with TWINS function(For the super-slim cassette & A5 duct) 2.4.3.1 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 75 Troubleshooting 2.4.4 For the outdoor unit 2.4.4.1 IGBT over-strong current protection(Only for 12k) Check if the wiring between module PCB and compressor Correct the connection. connected correctly. IPM continuity check. Check if the IPM Replace the module PCB. terminal resistance values are uniform. Correct the installation, tighten the Check if the IPM installed correctly.
- Page 76 Troubleshooting 2.4.4.3. E2 malfunction(Only for 12k) Power off, then restart the unit 2 minutes later Power off, then restart the unit 2 minutes later Measure Vs, is it positive fluctuation? Measure Vs, is it positive fluctuation? (Vs is the voltage between S and N of (Vs is the voltage between S and N of outdoor unit.
- Page 77 Troubleshooting 2.4.4.4. E2 malfunction(For 18-60k) E2 display E2 display Communication malfunction between indoor Communication malfunction between indoor and outdoor units and outdoor units Power off, then restart the unit 2 Power off, then restart the unit 2 minutes later minutes later Check whether there’s any Check whether there’s any interference.
- Page 78 Troubleshooting 2.4.4.5. 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 board and the main board, is it connected good? Reconnect and retry.
- Page 79 Troubleshooting 2.4.4.6. E4 malfunction E4 display E4 display Judge 1: Outdoor condenser temp. sensor (T3) is malfunction Judge 1: Outdoor condenser temp. sensor (T3) is malfunction Check whether the wiring of the Check whether the wiring of the Connect the wiring well condenser temp.
- Page 80 Troubleshooting 2.4.4.7. E5 malfunction E5 display E5 display Voltage protection of compressor Voltage protection of compressor Check whether the power Restart the unit when the power Check whether the power Restart the unit when the power voltage is normal. supply gets normal voltage is normal.
- Page 81 Troubleshooting 2.4.4.8. E6 malfunction (Only for 36K, 48K with 1 phase) 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 Measure whether the voltage between P and N is Replace the outdoor main board normal refer to the Appendix...
- Page 82 Troubleshooting Electrical Control System...
- Page 83 Troubleshooting 2.4.4.9. P0 malfunction P0 display P0 display Temperature protection of compressor Temperature protection of compressor Check the air flow system Clear up the air inlet and outlet or the heat Check the air flow system Clear up the air inlet and outlet or the heat of indoor and outdoor units exchanger of indoor and outdoor units.
- Page 84 Troubleshooting 2.4.4.10. P1 malfunction (Only for 30K~60K) P1 display P1 display High pressure protection High pressure protection Whether the wiring Whether the wiring between the high pressure between the high pressure switch and main control switch and main control Connect it well Connect it well board is connected well or board is connected well or...
- Page 85 Troubleshooting 2.4.4.11. P2 malfunction (Only for 30K~60K) P2 display P2 display Low pressure protection Low pressure protection Whether the wiring Whether the wiring between the low pressure between the low pressure protector and main control protector and main control Connect it well Connect it well board is connected well or board is connected well or...
- Page 86 Troubleshooting 2.4.4.12. P3 malfunction P3 display P3 display Current protection of compressor Current protection of compressor The protection occurred in The protection occurred in standby standby Check whether the power Restart the unit when the power Check whether the power Restart the unit when the power voltage is normal.
- Page 87 Troubleshooting 2.4.4.13. 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 P4 display Temperature protection of Temperature protection of compressor discharge compressor discharge Check whether the Check whether the...
- Page 88 Troubleshooting 2.4.4.14. 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 P5 display Check the connection Check the connection between temperature Correct the connection between temperature Correct the connection High temperature protection of...
- Page 89 Troubleshooting 2.4.4.15. P6 malfunction 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 P6 display IPM module protection...
- Page 90 Troubleshooting 2.4.4.16. P7 malfunction P7 display P7 display High temperature protection of High temperature protection of evaporator evaporator Check the connection Check the connection Whether compressor between T2 and PCB. Whether compressor between T2 and PCB. Correct the connection Correct the connection operates? operates? Check whether T2 and T2B...
- Page 91 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 92 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...
- Page 93 Appendix 3 Normal voltage of P and N 208-240V(1-phase,3-phase) 380-420V(3-phase) In standby 310VDC around around 530VDC In operation With passive PFC With partial active With fully active module PFC module PFC module >200VDC >310VDC >370VDC >450VDC Electrical Control System...
- Page 94 Controller 3. Controller 3.1Wireless Remote Controller 3.1.1RG51Q1/BGE General Function for wireless remote controller: Model RG51Q1/BGE Rated voltage 3.0V(2pieces of LR03 7＃ batteries) Min voltage for sending signal of CPU 2.4V Effective receiving distance 8m~11m Operation condition -5~60℃ Electrical Control System...
- Page 95 Controller Buttons and functions : Decrease the set temp. Keeping pressing will decrease the temp with 1℃ per 0.5s. 1. Adjust : Increase the set temp. Keeping pressing will increase the temp with 1℃ per 0.5s. 2. Adjust 3. MODE: Once pressing, running mode will be selected in the following sequence: AUTO COOL HEAT...
- Page 96 Controller 3.1.2 RG51C/E Remote Controller Specifications Model RG51C/E Rated Voltage 3.0V Lowest Voltage of CPU Emitting Signal 2.0V Reaching Distance 8m (when using 3.0 voltage, it can get 11m) Environment Temperature Range -5℃～60℃ Introduction of Function Buttons on the Remote Controller SE T TEMP ERATURE( C ) AUT O FA N...
- Page 97 Controller controls into faceplate setting state and the LCD shows F2.Press the TEMPUP( ) to control the faceplate up and press the TEMP DOWN( ) to control the faceplate down. Press any button to exit the faceplate setting state, then the LCD back to the normal display. 7.
- Page 98 Controller Introduction of Function Buttons on the Remote Controller : Decrease the set temp. Keeping pressing will decrease the temp with 1℃ per 0.5s. 1. Adjust : Increase the set temp. Keeping pressing will increase the temp with 1℃ per 0.5s. 2.
- Page 99 Controller 11.SLEEP: Press this button to go into the Energy-Saving operation mode. Press it again to cancel. This function is only can be used on COOL, HEAT and AUTO mode and maintain the most comfortable temperature for you. 12. TIME OFF: For time OFF setting. Once pressing this button, the time will increase by 0.5 hour. When the set time exceeds 10 hours, pressing the button will increase the time by 1 hour.