Celiera DUCTLESS MINI SPLIT AIR CONDITIONING SYSTEMS Service Manual

8 It protects the valves and prevents water from dripping. The unit has 3 mins delay between continuously ON/OFF operations. Outdoor unit

93. Dimension 3.1 Indoor Units Model W(mm) H(mm) D(mm) MS9A-09HRDN1-MP0W MS9A-9HRDN1-BQ0W 790 (31.10in) 265 (10.43in) 198 (7.80i

LHModel MS9A-09HRDN1-MP0W MS9A-9HRDN1-BQ0W Model MS9A-9CRDN1-BS0W MS9A-9HRDN1-BS0W MS9A-12HRDN1-MP0W MS9A-12CRDN1-BS0W MS9A-12HRDN1-BS0W MS9A-12CRDN1

Model MS9A-18HRDN1-MP0W MS9A-18CRDN1-MS0W MS9A-18HRDN1-MS0W MS9A-24HRDN1-MP0W MS9A-24CRDN1-MP0W Model MS9A-24HRDN1-MS0W 11 L(mm)

123.2 Outdoor Units More than 30cmMore than 60cmMore than 70cmMore than 30cmMore than 60cm(Service spaceFence orobstacles Model

13 4. Refrigerant Cycle Diagram For cooling only models: INDOOROUTDOORLIQUID SIDEGAS SIDEHEATEXCHANGE(EVAPORATOR)HEATEXCHANGE(CONDENSER)CO

14For heat pump models: INDOOROUTDOORLIQUID SIDEGAS SIDEHEATEXCHANGE(EVAPORATOR)HEATEXCHANGE(CONDENSER)COMPRESSOR2-WAY VALVE3-WAY VALVECHE

155. Wiring Diagram 5.1 Indoor Units MS9A-09HRDN1-MP0W; MS9A-12HRDN1-MP0W; MS9A-12CRDN1-MS0W; MS9A-12HRDN1-MS0W MS9A-9CRDN1-BS0W; MS9A-9H

16 MS9A-18HRDN1-MP0W;MS9A-18CRDN1-MS0W;MS9A-18HRDN1-MS0W; MS9A-24HRDN1-MP0W

17MS9A-9HRDN1-BQ0W MS9A-12HRDN1-BS0W(B)

CONTENTS 1. Precaution ...

18MS9A-24CRDN1-MP0W

19MS9A-24HRDN1-MS0W

205.2 Outdoor Units MOC-09HDN1-MP0W;MOC-12HDN1-MP0W MOC-9CFN1-BS0W; MOC-9HRFN1-BS0W; MOC-12CFN1-BS0W; MOC-12HRFN1-BS0W

21MOC-12CRDN1-MSOW MOC-12HRFN1-MS0W

22MOF-18HDN1-MP0W MOF-18CRFN1-MSOW

23MOF-18HRFN1-MS0W MOG-24HDN1-MP0W

24MOC-09HFN1-BQ0W, MOC-12HFN1-BS0W MOF-24HDN1-MP0W

25MOG-24HDN1-MS0W MOF-24CDN1-MP0W

266. Installation details 6.1 Wrench torque sheet for installation Outside diameter Torque Additional tightening torque mm inch N.cm

276.2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet. Rated current of

1 1. Precaution 1.1 Safety Precaution n To prevent injury to the user or other people and property damage, the following instructions must be follo

286.3 Pipe length and the elevation The pipe length and refrigerant amount: Model Connective pipe length Air purging method Additional a

296.4 Installation for the first time Air and moisture in the refrigerant system have undesirable effects as below: Pressure in the syst

30the meter does not indicate -0.1Mpa after pumping 30 minutes, it should be pumped 20 minutes more. If the pressure can’t achieve -0.1Mpa

31Close the valve on the charging cylinder and discharge the refrigerant by loosening the flare nut on the 2-way valve approximately 45’ u

326).When the electronic scale displays the proper weight (refer to the table), disconnect the charge hose from the 3-way valve’s service

336).When the electronic scale displays the proper weight (refer to the gauge and the pressure of the low side), disconnect the charge hos

345). Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 0.1MPa. 6). Set the 3-way valve to the closed

35Close the valve on the charging cylinder and discharge the refrigerant by loosening the flare nut on the 2-way valve approximately 45’ u

362. Refrigerant charging Procedure: 1). Connect the charge hose to the charging cylinder, open the 2-way valve and the 3-way valve Conne

37Use torque wrench to tighten the service port cap to a torque of 18N.m. Be sure to check for gas leakage.

2condenser and evaporator. n For installation, always contact the dealer or an Authorized service center. There is risk of fire, electric

387. Operation characteristics CAUTION: 1. If air conditioner is used outside of the above conditions, certain safety protection feature

398. Electronic function 8.1 Abbreviation T1: Indoor room temperature T2: Coil temperature of evaporator T3: Coil temperature of

40 DEFROST indication lamp (For cooling & heating models only): Lights up when the air conditioner starts defrosting automatically o

418.3.6 Indoor fan delayed open function When the unit starts up, the louver will be active immediately and the indoor fan will open 10s l

42 8.4.2 Cooling Mode 8.4.2.1 Compressor running rules: The operation frequency of compressor after starting submits to following rule. 4

43Note: When T1-Ts keeps in the same temp. zone for 3 minutes, the compressor will run as the below rules: A~E: Increase the frequency to

44auto. Auto fan in cooling mode acts as follow: 43HighLow1Medium1.5 8.4.2.4 Condenser high temperature T3 protection. ---55<T3<60 ,

458.4.3 Heating Mode 8.4.3.1 Compressor running rules: The maximum operation frequency of the compressor after starting submits to the fol

46+5.0+4.5+3.5+3.0+2.5+2.0+1.5+1.0HGHFEDCBA+0.5 While Temp. zone A B C D E F G Frequency F10 F9 F8 F7 F5 F3 F1 ∆T=0 as factory setting.

47I3HEATI2HEATI1HEATOff DecreaseHoldResume Off: Compressor stops. Decrease: Decrease the running frequency to the lower level.

3There is risk of explosion or fire. n If strange sounds, or small or smoke comes from product. Turn the breaker off or disconnect the po

488.4.3.3 Indoor fan running rules: 4438373433SettingLowBreezeOff17 If the compressor stops caused by the room temperature rising, the ind

49The units run with T3 3 for 80 minutes and T3 keeps lower than TCDI+2 for more than 3 minutes. While TCDI=6 . ----T

50Defrosting action For 18k, 24k models: Model FD FD1 MS9A-18HRDN1-MS0W, 60 70 MS9A-24HRDN1-MS0W 90 100 MS9A-18HRDN1-MP0W MS9A-24

51For other models: 8.4.3.5 Evaporator coil temperature protection ----T2> TEH2, the compressor running frequency decreases to the low

52∆T 1 Cooling -1<∆T≤1 Fan-only ∆T≤-1 Heating Indoor fan will run at auto fan of the relevant mode. The louver operates same as in r

53When the machine is off, pressing the touch button will carry the machine to forced auto mode. After this, pressing the button once agai

54When heating, the setting temperature decreases 1 (be higher than 17 ) every one hour, 2 hours later the setting temperature stops ris

559. Troubleshooting 9.1 Indoor Unit Error Display Display LED STATUS E0 EEPROM parameter error E1 Indoor / outdoor units communication

569.2 Diagnosis and Solution 9.2.1 EEPROM parameter error diagnosis and solution Shut off the power supply and turn on it 5s later The pr

579.2.2 Indoor unit and outdoor unit communication protection error diagnosis and solution Yes No No Change the indoor PCB Change the ou

4n Keep level even when installing the product. It can avoid vibration of water leakage. n Do not install the product where the noise or

589.2.3 Fan speed has been out of control diagnosis 9.2.4 Open or short circuit of temperature sensor diagnosis and solution Yes Repla

599.2.5 IGBT over-strong current protection diagnosis and solution 9.2.6 Over voltage or too low voltage protection diagnosis and solutio

609.2.8 Inverter compressor drive error diagnosis and solution 9.2.9 Zero crossing detection error This is alarm signal when the main chi

61Appendix: 10 11 12 13 14 15 16 F 48 50 52 54 56 58 60 17 18 19 20 21 22 23 F 62 64 66 68 70 72 74 24 25

5damage. n Do not insert hands or other object through air inlet or outlet while the product is operated. There are sharp and moving part

62. Function Model Names of Indoor/Outdoor Units DC Inverter Capacity Model Indoor units Outdoor units 9K MS9A-09HRDN1-MP0W MS9A-09HRDN

7 The louver can be set at the desired position or swing up and down automatically The function is usually used in rainy days in springti