Related Manuals for Omega WM 09K
Summary of Contents for Omega WM 09K
-
Page 1: Table Of Contents
Air Conditioner Service Manual Multi Inverter air conditioner Service Manual Models OMEGA WM 09K OMEGA WM 12K OMEGA WM 18K OMEGA ODU 18K2 OMEGA ODU 24K3 CONTENTS 1. Important Notice 2. Technical Specification 3. Product Dimensions 4. Refrigeration cycle diagram 5. -
Page 2: Important Notice
Air Conditioner Service Manual 1. Important Notice This service manual is intended for use by individuals possessing adequate backgrounds of electrical, electronic and mechanical experience. Any attempt to repair the appliance may result in personal injury and property damage. The manufacturer or seller cannot be responsible for the interpretation of this information, nor can it assume any liability in connection with its use. -
Page 3: Technical Specification
Air Conditioner Service Manual 2. Technical Specification Model No. FMA-14I2HA/DVO FMA-18I2HA/DVO FMA-21I3HA/DVO 7+7+7 Standard indoor combination under Erp One unit 7,9,12 7,9,12 7,9,12,18 7+7;7+9;7+12;7+18 7+7;7+9;7+12;7+18 7+7;7+9;7+12 9+9;9+12;9+18 9+9;9+12;9+18 Two units 9+9;9+12 12+12 12+12;12+18 7+7+7;7+7+9;7+7+12;7+7+18 7+9+9;7+9+12 Three units None None 9+9+9;9+9+12 Control type Remote Controller Remote Controller... -
Page 4: Product Dimensions
Air Conditioner Service Manual 3. Product Dimensions Indoor Unit: Wall split type Model Cassette type Duct type Model 7/9/12K... - Page 5 Air Conditioner Service Manual Outdoor Unit: Outdoor unit Model 327.5 OMEGA ODU 18K2 OMEGA ODU 27K3...
-
Page 6: Refrigeration Cycle Diagram
Air Conditioner Service Manual 4. Refrigeration cycle diagram TIN1 PMV1 PMV2 TIN2 PMV3 CONDENSER TIN3 PMV4 TIN4 T2B1 T2B24 T2B3 T2B4 liquid storage Optional... -
Page 7: Operation Details
Air Conditioner Service Manual 5. Operation details Remote controller Used to star and stop operation when pressed. Used to adjust airflow direction Used to select the indoor fan motor speed: AUTO, High, Mid and Low Used to decrease the set room temperature and time. - Page 8 Air Conditioner Service Manual Electronic Controller Safety Protection (1) Time Delay for Safety protection 3 minutes delay for compressor ---The compressor is ceased for 3minutes before restarting to balance the pressure in the refrigeration cycle in order to protect the compressor. 150 seconds delay for 4-way valve---The 4-way valve will be ceased for 150 seconds ...
- Page 9 Air Conditioner Service Manual In the “Feel” mode, when the controller receives the up or down signal of temperature, the set temperature can adjust by 1℃ upper or lower. The biggest you can adjust by 2℃ upper or lower. 3.
- Page 10 Air Conditioner Service Manual Indoor pipe Temperature Temperature up ℃ Setting ℃ ℃ Low fan ℃ Breeze ℃ ℃ Stop Temperature down In heating operation, if air conditioner turn off, the indoor fan motor will run most for 30 seconds since the stop of compressor.
- Page 11 Air Conditioner Service Manual d. When -15℃≤ FrostDeg < -13℃, and OPT < FrostDeg , the .2 times defrosting interval time is 65 minutes. e. When -15℃≤ FrostDeg < -10℃, and OPT < FrostDeg , the .2 times defrosting interval time is 75 minutes.
- Page 12 Air Conditioner Service Manual 3℃ and keep 2 hours. And then the temperature is Set-2℃, after 1 hour, the temperature is set temperature and keep. 7. EMERGENCY Operation When the EMERGENCY Operation switch is pressed, “Beep” a short sound, COOLING mode is selected, two short sound the HEATING mode selected, and a long sound the unit off of 3s.
- Page 13 Air Conditioner Service Manual Error list CASSETTE Outdoor light Indoor LED Failure Type blink time (n) Code LED1 LED2 LED3 LED4 ● ● ● ◎ Indoor and outdoor communication failure ◎ ◎ ● ● Outdoor communication failure ● ● ●...
- Page 14 Air Conditioner Service Manual There is a LED on outdoor power board, it blinks 1s ON and 1s OFF while compressor standby and it always light (ON) while compressor running; If there is failure happened on ODU, The indicator (LED) alerts the fault in a cycle as such that it is bright for 0.5 seconds, dark for 0.5 seconds, blinks “n”...
-
Page 15: Wiring Diagram
Air Conditioner Service Manual 6. Wiring diagram INDOOR UNIT: Wall split type: Cassette, Duct type:... - Page 16 Air Conditioner Service Manual OUTDOOR UNIT ONE TO 2 TYPE: ONETO 3TYPE:...
- Page 17 Air Conditioner Service Manual ONE TO 4 TYPE...
-
Page 18: Explosion View And Parts
Air Conditioner Service Manual 7. Explosion view and parts WALL SPLIT TYPE: OMEGA WM 09K, OMEGA WM 12K INDOOR UNIT:... - Page 19 Air Conditioner Service Manual Parts List Wall split type- OMEGA WM 09K Q’ty Part No. Part Name Remark 41106-002048 Front Panel 31102-000085 Display PCB 42003-000001 Display PCB Box 32001-000140 WIFI PCB 42008-000049 Air Filter 41108-000066 Screw Cover 41201-000068 Electrical Box Cover...
- Page 20 Air Conditioner Service Manual Wall split type- OMEGA WM 12K Q’ty Part No. Part Name Remark 41106-002048 Front Panel 31102-000085 Display PCB 42003-000001 Display PCB Box 32001-000140 WIFI PCB 42008-000049 Air Filter 41108-000066 Screw Cover 41201-000068 Electrical Box Cover 41106-002371...
- Page 21 Air Conditioner Service Manual WALL SPLIT TYPE: OMEGA WM 18K INDOOR UNIT:...
- Page 22 Air Conditioner Service Manual Wall split type- OMEGA WM 12K Q’ty Part No. Part Name Remark 41106-002078 Front Panel 31102-000085 Display PCB 42003-000001 Display PCB Box 32001-000140 WIFI PCB 42008-000076 Air Filter 41108-000066 Screw Cover 41105-000146 Electrical Box Cover 41106-002356...
- Page 23 Air Conditioner Service Manual CASSETTE TYPE: INDOOR UNIT:...
- Page 24 Air Conditioner Service Manual Cassette type- Q’ty Part NO. Part Name Remark Indoor chassis Indoor motor Indoor fan Base of evaporator Evaporator Capacitor of indoor motor Terminal Drain pan Panel Vane Display PCB Swing motor Indoor transformer Indoor main PCB Pump Water level switch Not shown in explosion view...
- Page 25 Air Conditioner Service Manual DUCT TYPE: INDOOR UNIT: 14 15 16 20 21...
- Page 26 Air Conditioner Service Manual DUCT TYPE- Part NO. Part Name Remark Front plate Indoor chassis Drain pan Inlet plate Evaporator Left plate Installation holder Space plate Motor supporter Down Vortex Indoor fan Up Vortex Top plate Left motor holder Indoor motor Right motor holder Installation plate of electrical box Electrical box...
- Page 27 Air Conditioner Service Manual OUTDOOR UNIT: OMEGA ODU 18K2...
- Page 28 Air Conditioner Service Manual OUTDOOR UNIT- OMEGA ODU 18K2 Q’ty Part No. Part Name Remark 42011-000118 Grille 41207-000022 Top cover 92011-000676 Condenser 41203-000043 Outdoor motor supporter 22001-000042 Outdoor motor 42004-000071 Propeller fan 41205-000128 Left grille supporter 41206-000036 Front plate 42011-000086...
- Page 29 Air Conditioner Service Manual OUTDOOR UNIT: OMEGA ODU 27K3...
- Page 30 Air Conditioner Service Manual OUTDOOR UNIT- OMEGA ODU 27K3 Q’ty Part No. Part Name Remark 42011-000111 Grille 41207-000020 Top cover 92011-000655 Condenser 41203-000041 Outdoor motor supporter 22001-000083 Outdoor motor 42004-000069 Propeller fan 41205-000127 Left grille supporter 41206-000033 Front plate 42011-000087...
-
Page 31: Precaution
Air Conditioner Service Manual 8. Precaution 8.1 SAFETY RULES AND RECOMMENDATIONS FOR THE INSTALLATION Read this guide before installing and using the appliance. During the installation of the indoor and outdoor units the access to the working area should be forbidden to children. - Page 32 Air Conditioner Service Manual without supervision. 8.2 SAFETY RULES AND RECOMMENDATIONS FOR THE USER Do not try to install the conditioner alone; always contact specialized technical personnel. Cleaning and maintenance must be carried out by specialized technical personnel. In any case disconnect the appliance from the mains electricity supply before carrying out any cleaning or maintenance.
- Page 33 Air Conditioner Service Manual 8.3 SAFETY RULES AND PROHIBITIONS Do not bend, tug or compress the power cord since this could damage it. Electrical shocks or fire are probably due to a damaged power cord. Specialized technical personnel only must replace a damaged power cord.
-
Page 34: Names Of Parts
Air Conditioner Service Manual 9. Names of parts Wall split type INDOOR UNIT Indoor unit 2-3 4 Name Front panel Air filter Special filter(option) Display PCB Vertical vane Horizontal vane Remote controller Outdoor unit Name Air outlet grille Electronic box cover 2-way valve 3-way valve OUTD OOR UNIT... - Page 35 Air Conditioner Service Manual Cassette type Indoor Unit Outdoor Unit Display INF RARED SIG N AL REC EIVER LIGHTING ON PRE -DEF indic ator T imer ind icato r Pum p ind ica tor Ope ration ind icator Time r indica to r O N when pres et time fo r switc hing ON /OF F the unit Ope ration ind icat or ON w hen the uni t is power o n...
- Page 36 Air Conditioner Service Manual Duct type Indoor Unit Outdoor Unit DISPLAY Defrosting/ preheat light Manual Sw itch Nixie tube Running light Timing light warning light...
-
Page 37: Installation
Air Conditioner Service Manual 10. Installation manual 10.1 Installation Details Connecting pipe length Pipe size(Inch) Model Liquid Indoor unit Outdoor unit Pipe length i s Pipe length is 15 meters Max. 1 5 meters Max. In doo r uni t Outdoor unit Refrigerant piping Additional refrigerant... - Page 38 Air Conditioner Service Manual Installation for the first time 10.2 Indoor unit Wall type: Install the indoor unit level on a strong wall that is not subject to vibrations The inlet and outlet ports should not be obstructed: the air should be able to blow all over the room.
- Page 39 Air Conditioner Service Manual hanging screw bolts. Ti mber ove r the b eam Roof beam Ce ili ng Hangi ng Screw B o l t For finished concrete bricks 300mm Install the hanging hook with expansible bolt into the concrete deep to 45~50mm to prevent loose.
- Page 40 Air Conditioner Service Manual cassette end of it should be connected to return air window. In case of underside air intake, purchase or Le vel Indi cator fabricate a section of pleated canvas air conduit serving as transition joint for return air Han ging Sc rew Bolt orifice and return air window.
- Page 41 Air Conditioner Service Manual When extending the rolled pipe, straighten 5).The cable connecting the outdoor and indoor units must be suitable for outdoor use. the pipe by unwinding it gently as shown in the picture. 6).The plug must be accessible also after the appliance has been installed so that it can be pulled out if necessary.
- Page 42 Air Conditioner Service Manual For Cassette and Duct type tightening torque there will also be some leakage, The drain pipe of indoor unit must have the as the flange could be damaged. heat insulation , or it will condense dew, as connection pipes well as the connections of the indoor unit.
-
Page 43: Trouble Shooting
Air Conditioner Service Manual 11. Trouble shooting 11.1 Outdoor control diagram 11.2 The structure of ODU PCB ONE TO 2 TYPE Sensor Expansion Compressor 4-way valve Motor circuit valve driving Communication Communication Communication LP HP Communication Switch power supply Switch power supply Rectifying filtering Filter circuit for circuit... - Page 44 Air Conditioner Service Manual ONE TO 3/4 TYPE: Expansion Sensor 4-Way valve Compressor valve circuit LP HP Motor driving Switch power supply Communication EEPROM Rectifying filtering Filter circuit for circuit heavy current 11.3 Examples of repairing 11.3.1 Display E1 or E2 Reasons: 1) The sensor connection terminal loose or not plugged in.
- Page 45 Air Conditioner Service Manual Fail 3) The PCB fail. Solution: Replace the indoor main PCB. 11.3.2 Display E6 Reasons: 1) The indoor motor connection terminal loose or not plugged in. Solution: Check the connecter of indoor motor and slot (CN3) and (CN4), if loose or not plugged in, please connect again.
- Page 46 Air Conditioner Service Manual 11.3.3 Display E3, E7 Reasons: 1) Outdoor pipe temp sensor, outdoor temp sensor & exhaust temp sensor connection terminal loose or not plugged in. Solution: Check the connecter of sensor and slot, if loose or not plugged in, please connect again. 2) Outdoor pipe temp sensor, outdoor temp sensor &...
- Page 47 Air Conditioner Service Manual terminal L and N (before display of E0 fault). If the voltage is “0”, please replace indoor main PCB. 2) If the 1 & N which connect to indoor unit voltage is normal, measure the voltage between the outdoor terminal 1A, 1B, 1C, 1D and N.
- Page 48 Air Conditioner Service Manual Any of 2 pins should be no short circuit Any of 2 pins should be no short circuit Any of 2 pins should be no short circuit 6) Test the DC voltage between DC+ and DC-. If the voltage is less than 50V approximately, please replace outdoor PCB.
- Page 49 Air Conditioner Service Manual Heat radiation problem easily happened while the screw is not fixed tightly. Fixing screw 3) Check the system pressure, recharge refrigerant if the pressure is low, and discharge some refrigerant if the pressure is too high. 4) Check the outdoor ventilation and if there is any obstruction that affects the normal radiating of the air conditioner, and installation again.
- Page 50 Air Conditioner Service Manual 3. If the unit can’t operate, please replace outdoor PCB 11.3.11 Display EC Reason: The signal communication fault between power module and IPM module. Solution: Please replace the outdoor PCB. 11.3.12 Display EP Reason: The compressor top temperature high or the sensor fault. Solution: Check and replace the sensor or add some gas.
- Page 51 Air Conditioner Service Manual 11.4 MALFUNCTION (PARTS) CHECK METHOD 11.4.1 Procedure for determining defective outdoor unit IPM/compressor The following flow chart shows a procedure for locating the cause of a malfunction when the compressor does not start up and a DC overcurrent indication error occurs. Use the remote operates the air conditioner Does the wire...
- Page 52 Air Conditioner Service Manual 11.4.2 DC Over Current Error Error memory is recorded Start Are valves (2-way or 3-war) close? Full open stop valves Does compressor rotates? Does compressor rotates more than 30 seconds? floating IPM PWB from the heat sink? with screws IPM PWB...
- Page 53 Air Conditioner Service Manual 11.4.3 E0,E5 Error Replace inverter board and power Display E5 Start supply board or outdoor PCB assembly Display E0 Display E5 Display E5 Shut off power and supply Shut off power Replace inverter board and supply again again and observe 10 Mins Display E0...
- Page 54 Air Conditioner Service Manual 11.5 THERMISTOR TEMPERATURE CHARACTERISTICS 1. Indoor unit and outdoor exchange temperature and outside air temperature sensor temperature characteristics TEMP. Resistance Voltage of TEMP. Resistance Voltage of TEMP. Resistance Voltage of ℃ ℃ ℃ (k Ohm) resistance (k Ohm) resistance (k Ohm)
- Page 55 Air Conditioner Service Manual ℃ Resistance at 25 : wall split type 5 kΩ, cassette and duct 10kΩ. TH1: indoor room temperature sensor and outside air temperature sensor TH2: indoor exchange temperature sensor and outside exchange temperature sensor Before measuring resistance, disconnect connectors as shown above. 2.
- Page 56 Air Conditioner Service Manual 63.74 70.48 77.87 6.309 6.655 7.013 1.073 1.12 1.168 60.69 67.05 6.08 6.409 6.748 1.042 1.089 1.136 57.81 63.8 70.34 5.861 6.173 6.495 1.013 1.058 1.104 55.08 60.72 66.88 5.651 5.947 6.253 0.9833 1.028 1.074 52.49 57.81 63.61 5.449...