Related Manuals for Premium PAC366FC-I
Summary of Contents for Premium PAC366FC-I
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Page 1: Service Manual
Service Manual PAC366FC-I,PAC486FC-I,PAC606FC-I PAC366FC-O,PAC486FC-O,PAC606FC-O, PAC247C-I,PAC367C-I,PAC487C-I PAC247C-O,PAC367C-O,PAC487C-O... -
Page 2: Part 1 General Information
MLCAC-UTSM-2011-02 Contents Part 1 General Information............1 Part 2 Indoor Units...............5 Part 3 Outdoor Units..............31 Part 4 Installation...............49 Part 5 Control................60 ※ ※ ※ ※ T he specifications, designs, and information in this book are subject to change without notice for product improvement. - Page 3 MLCAC-UTSM-2011-02 General Information Part 1 General Information 1. Model Names of Indoor/Outdoor Units ......2 2. External Appearance ............3 2.1 Indoor Units ................. 3 2.2 Outdoor Units ................3 3. Nomenclature..............3 4. Features................4 General Information...
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Page 4: Mlcac-Utsm
1. Model Names of Indoor/Outdoor Units 1.1 Ceiling & Floor Indoor Units Capacity Matched outdoor Compressor Indoor units model Power supply Compressor model (Btu/h) units model brand Cooling Only PAC366FC-I PAC366FC-O 36000 220-230V 60Hz 1Ph C-R221H6R Sanyo PAC486FC-I PAC486FC-O 48000 220-230V 60Hz 1Ph C-SB301H6B Sanyo... -
Page 6: Features
Features MLCAC-UTSM-2011-02 3. Features New condensing unit-2nd generation is an upgraded series compared with 1st generation condensing unit. This news series has below outstanding improvements and features. 1. Elegant appearance (Various appearance to choose), Customer can choose 3 colors: GREY, SILVER GREY, CHAMPAGNE &... -
Page 7: Four-Way Cassette Type
MLCAC-UTSM-2011-02 Features Part 2 Indoor Units Four-way Cassette Type............6 Ceiling & Floor Type ............20 General Information... -
Page 8: Table Of Contents
Four-way Cassette Type MLCAC-UTSM-2010-06 Four-way Cassette Type 1. Features................8 2. Dimensions ..............11 3. Service Space..............12 4. Wiring Diagrams ............13 5. Electric Characteristics ..........15 6. Sound Levels ..............15 7. Accessories..............16 8. The Specification of Power ...........17 9. Field Wiring ..............19 Four-way Cassette Type... -
Page 10: Features
Features MLCAC-UTSM-2011-02 1. Features (1) Low operation noise —Streamline plate ensures quietness —Creates natural and comfortable environment (2) Efficient cooling——Equal, fast and wide range cooling (3) Excellent performance. The optimal evaporator & sufficient airflow volume guarantees the excellent capacity (4) The adoption of the most advanced 3- Dimensional Screw fan —Reduces the air resistance passing through —Smoothes the air flow —Makes air speed distribution to the heat exchange uniform... - Page 11 MLCAC-UTSM-2011-02 Features (8) Different color panels for choose: White G ray B lue B lack 、 、 、 (9) Swing angle of louver Add one more swing motor, one motor driving two louvers. Controlling the interspace of each part, minimizing the angle loss. The swing angle of the first louver are 40~42 degrees and the second louver are 37~38 degrees.
- Page 12 Features MLCAC-UTSM-2011-02 (15) Reserve spaces for air side-outlet, it is available to connect duct pipe hence air supplying from the four sides to nearby small room.. (16) Optimal design, smaller Control Box, Space saving and convenient for wiring, Using fire resistance galvanized steel for E-box material. Metal box make the control part more stable and prevent damaging (17) New Panel for optional: 360 degree air-outlet...
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Page 13: Dimensions
MLCAC-UTSM-2011-02 Dimensions 2. Dimensions PAC247C-I 4-install hanger Gas side Liquid side E-parts box Pump inspect hole Drain hole PAC367C-I PAC487C-I 4-install hanger Gas side Liquid side E-parts box Pump inspect hole Drain hole Four-way Cassette... -
Page 14: Service Space
Service Space MLCAC-UTSM-2011-02 3. Service Space >1000mm >1000mm Four-way Cassette... -
Page 15: Wiring Diagrams
MLCAC-UTSM-2011-02 Wiring Diagrams 4. Wiring Diagrams PAC247C-I, PAC367C-I Four-way Cassette... - Page 16 Wiring Diagrams MLCAC-UTSM-2011-02 PAC487C-I Four-way Cassette...
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Page 17: Electric Characteristics
MLCAC-UTSM-2011-02 Sound Levels Electric Characteristics Indoor Unit Power Supply Model Voltage Min. Max. PAC247C-I 220-230V 198V 242V 0.66 PAC367C-I 220-230V 198V 242V PAC487C-I 220V 198V 242V 1.31 Remark: MCA: Min. Current Amps. (A) MFA: Max. Fuse Amps. (A) 5. Sound Levels FOUR-WAY CASSETTE TYPE 1 . -
Page 18: Accessories
Accessories MLCAC-UTSM-2011-02 6. Accessories Name Shape Quantity INSTALLATION FITTINGS Installation paper board Soundproof / insulation sheath Tubing & Fittings Connecting pipe group Out-let pipe sheath Out-let pipe clasp Drainpipe Fittings Drain joint Seal ring Remote controller & Its Frame Remote controller & Its Remote controller holder Frame Mounting screw(ST2.9×10-C-H) -
Page 19: The Specification Of Power
MLCAC-UTSM-2011-02 The Specification of Power 7. The Specification of Power For 220V~230V 60Hz 1PH Outdoor unit type Type （ C ooling & Heating ） 18000 24000 36000 Phase 1- Phase 1- Phase 1- Phase Indoor unit Frequency and Voltage 220-230V~, 60Hz 220-230V~, 60Hz 220-230V~, 60Hz Power... - Page 20 The Specification of Power MLCAC-UTSM-2011-02 For 380V~420V 60Hz 3PH Outdoor unit type Type(Cooling only) 36000 48000 Phase 1- Phase 1- Phase Indoor unit Frequency and Voltage 220-230V~, 60Hz 220-230V~, 60Hz Power Phase 3- Phase 3- Phase Outdoor unit Frequency and Voltage 380V~420V, 60Hz 380V~420V, 60Hz Indoor Circuit Breaker/ Fuse (A)
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Page 21: Field Wiring
MLCAC-UTSM-2011-02 Field Wiring 8. Field Wiring Wiring chart PAC247C-I,PAC367C-I Four-way Cassette... -
Page 22: Ceiling & Floor Type
Ceiling & Floor Type MLCAC-UTSM-2011-02 Ceiling & Floor Type 1. Features................21 2. Dimensions ..............22 3. Service Space..............23 4. Wiring Diagrams ............24 5. Electric Characteristics ..........26 6. Sound Levels ..............27 7. Accessories..............28 8. The Specification of Power ...........29 9. Field Wiring ..............30 Ceiling &... -
Page 23: Features
MLCAC-UTSM-2011-02 Features 1. Features 1.1. New design, more modern and elegant appearance. 1.2. Convenient installation --The ceiling type can be easily installed into a corner of the ceiling even if the ceiling is very narrow --It is especially useful when installation of an air conditioner in the center of the ceiling is impossible due to a structure such as one lighting. -
Page 24: Dimensions
Dimensions MLCAC-UTSM-2011-02 2. Dimensions a. Wall mounting installation b. Ceiling installation Capacity (Btu/h) 36000 1280 1195 48000-60000 1670 240, 1070 1542 Note: The dimension of 48000Btu/h and 60000Btu/h are the same Ceiling & Floor Type... -
Page 25: Service Space
MLCAC-UTSM-2011-02 Service Space 3. Service Space Ceiling & Floor Type... -
Page 26: Wiring Diagrams
Wiring Diagrams MLCAC-UTSM-2011-02 4. Wiring Diagrams PAC366FC-I Ceiling & Floor Type... - Page 27 MLCAC-UTSM-2011-02 Wiring Diagrams PAC486FC-I PAC606FC-I Ceiling & Floor Type...
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Page 28: Electric Characteristics
Electric Characteristics MLCAC-UTSM-2011-02 5. Electric Characteristics Indoor Units Power Supply Model Voltage Min. Max. PAC366FC-I 220-230V 198V 242V 1.18 PAC486FC-I 220-230V 198V 242V 1.10 PAC606FC-I 220-230V 198V 242V 1.10 Remark: MCA: Min. Current Amps. (A) MFA: Max. Fuse Amps. (A) -
Page 29: Sound Levels
MLCAC-UTSM-2011-02 Sound Levels 6. Sound Levels Ceiling Floor Noise level dB(A) Model PAC366FC-I PAC486FC-I PAC606FC-I Ceiling & Floor Type... -
Page 30: Accessories
Accessories MLCAC-UTSM-2011-02 7. Accessories For 36/48/60kBtu/h Name Shape Quantity 1.Hook Installation fittings 2.Hanging arm 3.pipel connector 5. Remote controller Remote controller & Its 6. Remote controller holder holder 7. Mounting screw (ST2.9×10-C-H) 8. Alkaline dry batteries (AM4) 9. Owner's manual Others 10. -
Page 31: The Specification Of Power
MLCAC-UTSM-2011-02 The Specification of Power 8. The Specification of Power For 220-230V~ 60Hz Outdoor unit type ： ： ： ： Type C ooling only 36000 48000 60000 （ ） Phase 1- Phase 1- Phase 1- Phase Indoor unit Frequency and Voltage 220-230V~, 60Hz 220-230V~, 60Hz 220-230V~, 60Hz... -
Page 32: Field Wiring
Outdoor Units MLCAC-UTSM-2011-02 9. Field Wiring PAC366FC-I PAC486FC-I PAC606FC-I Outdoor Units... -
Page 33: Part 3 Outdoor Units
MLCAC-UTSM-2010-06 Outdoor Units Part 3 Outdoor Units 1. Dimensions ..............32 2. Service Space..............33 3. Piping Diagrams ............34 4. Wiring Diagrams ............35 5. Electric Characteristics ..........39 6. Operation Limits ............40 7. Troubleshooting.............41 Outdoor Units... -
Page 34: Dimensions
Features MLCAC-UTSM-2011-02 1. Dimensions Refrigerant Connection Service Dimensions (Inches) Unit Model Valve Size (Btu/h) "H" in [mm] "W" in [mm] "L" in [mm] Liquid in Vapor in PAC247C-O 24-15/16[633] 21-7/8[554] 21-7/8[554] PAC367C-O 29-7/8[759] 21-7/8[554] 21-7/8[554] PAC366FC-O PAC487C-O 29-7/8[759] 28[710] 28[710] PAC486FC-O PAC606FC-O 33-3/16[843]... -
Page 35: Service Space
MLCAC-UTSM-2011-02 Features 2. Service Space Outdoor Units... -
Page 36: Piping Diagrams
Features MLCAC-UTSM-2011-02 3. Piping Diagrams PAC247C-O P AC367C-O P AC366FC-O ， ， Direction of refrigerant flow (cooling mode) Indoor units Outdoor unit evaporator temp. sensor Throttle Orifice room temp. sensor compressor PAC487C-O,PAC486FC-O, PAC606FC-O Direction of refrigerant flow (cooling mode) Indoor units Outdoor unit evaporator temp. -
Page 37: Wiring Diagrams
MLCAC-UTSM-2011-02 Features 4. Wiring Diagrams PAC247C-O Outdoor Units... - Page 38 Features MLCAC-UTSM-2011-02 PAC367C-O, PAC366FC-O Outdoor Units...
- Page 39 MLCAC-UTSM-2011-02 Features PAC487C-O, PAC486FC-O Outdoor Units...
- Page 40 Features MLCAC-UTSM-2011-02 PAC606FC-O Outdoor Units...
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Page 41: Electric Characteristics
MLCAC-UTSM-2011-02 Features 5. Electric Characteristics Outdoor Unit Model Voltage Min. Max. PAC247C-O 220-230V 198V 242V PAC367C-O, PAC366FC-O 220-230V 198V 242V PAC487C-O, PAC486FC-O 220-230V 198V 242V PAC606FC-O 220-230V 198V 242V Outdoor Units... -
Page 42: Operation Limits
Features MLCAC-UTSM-2011-02 6. Operation Limits Operation mode Outdoor temperature( Room temperature( ℃ ℃ Cooling operation 21~43 17~30 Heating operation -5~24 17~30 Cooling Heating ℃ ℃ - 1 0 Indoor temperature( Indoor temperature( ℃ ℃ Outdoor Units... -
Page 43: Troubleshooting
MLCAC-UTSM-2011-02 Features 7. Troubleshooting 7.1. Self-diagnosis Indoor unit’s LED indication (1) For the Big Four-way cassette During malfunction Protection, digital pipe displays as follow: Displaying contents Malfunction or protection Indoor temperature sensor is abnormal Evaporator temperature sensor is abnormal Condenser temperature sensor is abnormal Outdoor unit malfunction EEPROM malfunction Full-water malfunction... - Page 44 Features MLCAC-UTSM-2011-02 (4) For A4 duct indoor unit PCB display lamp indication of trouble Protection or Malfunction LED1(Red) LED2(Yellow) LED3(Green) Lack of phase or the phase is wrong Flash Flash Flash Compressor is in low pressure protection Flash Light Flash The wired controller input is malfunction Flash Flash...
- Page 45 MLCAC-UTSM-2011-02 Features 7.2. Solving steps for typical malfunction (1) For indoor unit a. Indoor room temperature sensor is abnormal Indoor room temperature sensor is abnormal Whether the resistance of the room temp. sensor is 10K Replace room temp. sensor Replace indoor PCB b.
- Page 46 Features MLCAC-UTSM-2011-02 d. EEPROM malfunction EEPROM malfunction EEPROM chip is broken Replace EEPROM Replace 9177 chip Check whether the main control chip 9177 is broken Check PCB board or replace the main control board e. Full-water malfunction Full-water malfunction Check whether the water-level switch is inserted well Insert the water-level switch well Check whether the water-level switch is broken Replace the water-level switch...
- Page 47 MLCAC-UTSM-2011-02 Features (2) For the outdoor unit a. Phase sequence error: Phase sequence error Change the order of two of the wires to power supply. Switch on the unit again. If the problem can not be solved, the outdoor PCB is defective b.
- Page 48 Features MLCAC-UTSM-2011-02 d. Protection of pressure or temp. Protection of pressure or temp. Is it k1 or K2 open ? Is temp. protective switch K1 open Is pressure protective switch open Possible reason Possible reason 1. The wires is loose to K1 1.
- Page 49 MLCAC-UTSM-2011-02 Features f. Open-circuit and short-circuit trouble of T4 Is connection to connector of temp. sensor good? Check the resistance of the temp. sensor according to Annex 1 Repair connector Is it the resistance is normal? Replace the sensor Indoor PCB is defective. g.
- Page 50 Features MLCAC-UTSM-2011-02 Appendix Indoor Temp. and Pipe Temp. Sensor Resistance Value Table ( - -K) ℃ K Ohm K Ohm K Ohm K Ohm ℃ ℃ ℃ ℃ ℃ ℃ ℃ ℃ ℃ ℃ ℃ ℃ ℃ ℃ ℃ ℃ 115.266 12.6431 2.35774...
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Page 51: Part 4 Installation
MLCAC-UTSM-2011-02 Installation Part 4 Installation 1.Precaution on Installation..........50 2.Vacuum Dry and Leakage Checking.........51 3.Additional Refrigerant Charge...........53 4.Water Drainage..............54 5.Insulation Work ..............57 6.Wiring................58 7.Test Operation ..............59 Installation... -
Page 52: Precaution On Installation
Precaution on Installation MLCAC-UTSM-2011-02 1. Precaution on Installation 1). Measure the necessary length of the connecting pipe, and make it by the following way. Connect the indoor unit at first, then the outdoor unit. Bend the tubing in proper way. Do not harm them. Specially Notice the pipe length/height/dimension of each capacity. -
Page 53: Vacuum Dry And Leakage Checking
MLCAC-UTSM-2011-02 Vacuum Dry and Leakage Checking 2. Vacuum Dry and Leakage Checking Vacuum Dry: use vacuum pump to change the moisture (liquid) into steam (gas) in the pipe and discharge it out of the pipe to make the pipe dry. Under one atmospheric pressure, the boiling point of water(steam temperature) is 100 . Use vacuum pump to make the ℃... - Page 54 Vacuum Dry and Leakage Checking MLCAC-UTSM-2011-02 . Special vacuum dry procedure ② This vacuum dry method is used in the following conditions: There’s moisture when flushing the refrigerant pipe. Rainwater may enter into the pipe. Vacuum dry for the first time ······ 2h pumping .
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Page 55: Additional Refrigerant Charge
MLCAC-UTSM-2011-02 Additional Refrigerant Charge 3. Additional Refrigerant Charge Caution a) Refrigerant cannot be charged until field wiring has been completed. b) Refrigerant may only be charged after performing the leak test and the vacuum pumping. When charging a system, care shall be taken that its maximum permissible charge is never exceeded, in view of the danger of liquid hammer. -
Page 56: Water Drainage
Water Drainage MLCAC-UTSM-2011-02 4. Water Drainage 4.1 Gradient and Supporting 1). Keep the drainpipe sloping downwards at a gradient of at least 1/50. Keep the drainpipe as short as possible and eliminate the air bubble. 2). The horizontal drainpipe should be short. When the pipe is too long, a prop stand must be installed to keep the gradient of 1/50 and prevent bending. -
Page 57: Drainage Test
MLCAC-UTSM-2011-02 Water Drainage For Four-way cassette 4.4 Convergent drainage 1). The number of indoor units should be as small as possible to prevent the traverse main pipe overlong. 2). Indoor unit with drain pump and indoor unit without drain pump should be in different drainage system. 3). - Page 58 Water Drainage MLCAC-UTSM-2011-02 Stop the air conditioner running, turn off the power, and put back the cover. ③ Stop the air conditioner. After 3 minutes, check if it has abnormity. If the collocation of drainpipes is illogical, the water will flow back overfull, which will cause the alarm lamp flashes, even overflow from the water receipt plate.
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Page 59: Insulation Work
MLCAC-UTSM-2011-02 Insulation Work 5. Insulation Work 5.1 Insulation material and thickness 1). Insulation material Insulation material should adopt the material which is able to endure the pipe’s temperature: no less than 70 ℃ in the high -pressure side, no less than 120 ℃... -
Page 60: Wiring
Test Operation MLCAC-UTSM-2011-02 For construction convenience, before laying pipes, use insulation material to insulate the pipes to be deal with, at the same time, at two ends of the pipe, remain some length not to be insulated, in order to be welded and check the leakage after laying the pipes. 3). -
Page 61: Test Operation
MLCAC-UTSM-2011-02 Insulation Work 7. Test Operation (1) The test operation must be carried out after the entire installation has been completed. (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 62: Part 5 Control
Control MLCAC-UTSM-2011-02 Part 5 Control 1. Wireless Remote Controller..........61 2. Wired Remote Controller..........63 Control... -
Page 63: Mlcac-Utsm
MLCAC-UTSM-2011-02 Wireless Remote Controller 1. Wireless Remote Controller 1.1 RG51Q/BG(C)E General Function for wireless remote controller: Model and Specification Model RG51Q/BG(C)E Rated voltage 3.0V(2pieces of LR03 7 batteries) ＃ Min voltage for sending signal of CPU 2.4V 8m (when using 3.0 voltage, Effective receiving distance it Gets 11m) Operation condition... - Page 64 Wireless Remote Controller MLCAC-UTSM-2011-02 Buttons and functions 1. Adjust : Decrease the set temp. Keeping pressing will decrease the temp with 1 per 0.5s. ℃ 2. Adjust : Increase the set temp. Keeping pressing will increase the temp with 1 per 0.5s.
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Page 65: Wired Remote Controller
MLCAC-UTSM-2011-02 Wireless Remote Controller 2. Wired Remote Controller 2.1 KJR-10B NAME AND FUNCTION OF LCD ON THE WIRE CONTROLLER Mode select button (MODE): Press MODE button to select “COOL”, “DRY” , "HEAT", or "FAN ONLY" mode.(HEAT is invalid for COOL ONLY wire controller.) AUTO→... - Page 66 Wireless Remote Controller MLCAC-UTSM-2011-02 Press ECONOMICAL to display economical operation, if press ECONOMICAL again then the display disappears Lock display Press LOCK to display the icon of LOCK. Press the button again then the icon of LOCK disappears. In the mode of LOCK, all the buttons are invalid except for LOCK button. CLOCK display.
- Page 67 MLCAC-UTSM-2011-02 Wireless Remote Controller Push the button to set TIMER ON, each time you push the button the time moves forward by o.5 hours. When the set time is over 10 hours, each time you push the button the time moves forward by 1 hour. If want to cancel the TIMER ON, then adjust the time of TIMER ON as 0.0 Timer off button: Push the button to set TIMER OFF, each time you push the button the time moves forward by o.5 hours.
- Page 68 Wireless Remote Controller MLCAC-UTSM-2011-02 Installation Installation Notice: When the air conditioner needs the constant frequency wire Controller, be sure adding a Wire Joint with 5 terminal named A, B, C, D, E in indoor unit, and fixing a infrared emitter whose anode and cathode connecting with A and B near the receiver in the Indoor Unit Switch Board, then connecting the terminal +5v, GND, Run in the Switch Board to C,D,E respectively.
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