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Summary of Contents for mundoclima MUCSR-H6
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Page 1: Service Manual
SUPER INVERTER H6 Service manual MUCSR-H6 MUSTR-H6 MUCR-H6 Thank you very much for purchasing our products. CL20230 to CL20258 Please read this manual carefully before installing English and using the unit. www.mundoclima.com... - Page 2 Contents Part 1 General Information ....................1 Part 2 Indoor Units ......................... 4 Part 3 Outdoor Units ......................60 Part 4 Installation ........................72 Part 5 Electrical Control System ..................103 ※The specifications, designs, and information in this book are subject to change without notice for product improvement.
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Page 3: Part 1 General Information
General Information Part 1 General Information 1. Model Lists ................... 2 2. External Appearance ................3 2.1 Indoor Units ....................... 3 2.2 Outdoor Units ......................3 General Information... -
Page 4: Model Lists
Model Lists 1. Model Lists 1.1 Indoor Units Model ● ● ● ● ● ● Super slim cassette ● ● ● ● ● ● ● ● Duct ● ● ● ● ● ● ● Ceiling-floor Four-way cassette ● ● (compact) 1.2 Outdoor Units Outdoor unit Model Compressor type... -
Page 5: External Appearance
External Appearance 2. External Appearance 2.1 Indoor Units Duct Super slim cassette Ceiling-Floor Compact Four-way cassette 2.2 Outdoor Units Single fan outdoor unit (12 to 42k) Double fan outdoor unit (48 to 60k) General Information... -
Page 6: Part 2 Indoor Units
Indoor Units Part 2 Indoor Units Super Slim Cassette Type (24 to 60k) ........ 5 Duct Type (12 to 60k) ............20 Ceiling & Floor Type (18 to 60k) ........36 Four-way Cassette Type (Compact) (12 to 18k) ....51 Indoor Units... -
Page 7: Table Of Contents
Super Slim Cassette Type Super Slim Cassette Type (MUCSR-24/30/36/42/48-H6) (MUCSR-48/60-H6T) 1. Features ................6 2. Dimensions ..............9 3. Service Space ..............10 4. Wiring Diagrams ............10 5. Air Velocity Distributions (Reference Data) ....12 6. Electric Characteristics ..........15 7. -
Page 8: Features
Features 1. Features Overview Compact design, super slim body size, less space requiring in installation Each louver can be separately controlled, more comfort air blowing is possible. Auto-lifting panel design, more convenient to clean and maintain the filter. (optional) Fresh air intake function ... - Page 9 Features External air duct design Reserve external air duct, more flexible for the air supply. Built-in draining pump Due to the improvement of structure, more convenient to repair or replace the draining pump. Draining Pump Built-in draining pump to make sure condensed water drain out reliably. Indoor Units...
- Page 10 Features Terminals for alarm lamp and long-distance on-off controller connection are standard Reserve terminals for the connection of alarm lamp and long-distance on-off controller, more human control. Alarm lamp Long-distance on-off controller Twins Combination (24k-30k) The units can be installed as Twin systems: one outdoor unit can connect with two indoor units. The indoor units can be combined in any of the different available ratings.
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Page 11: Dimensions
Dimensions 2. Dimensions 92 92 Fresh air intake 4-install hanger Body Gas side Liquid side Wiring connection port E-parts box Service hole for Test mouth & Test cover draining pump Drain hole 92 92 92 92 Panel Unit: mm Model MUCSR-24-H6 MUCSR-30-H6 MUCSR-36-H6... -
Page 12: Service Space
Service Space 3. Service Space >1000m m >1000mm Chart 3 4. Wiring Diagrams MUCSR-24-H6, MUCSR-30-H6, MUCSR-36-H6, MUCSR-42-H6, MUCSR-48-H6, MUCSR-48-H6T TO WIRE CONTROLLER Inner Driver DC Motor ENC1 SWITCH (FOR POWER) CN40 0~15 16~31 CN15 48~63 32~47 Remote Control CN13 SWITCH FOR AUTO-RESTART SETTING PUMP Alarm... - Page 13 Wiring Diagrams MUCSR-60-H6T TO WIRE CONTROLLER (FOR POWER) ENC1 SWITCH CN40 CN15 0~15 16~31 DC MOTOR DRIVER MODLE Outer Driver DC Motor 48~63 32~47 Remote Control CN13 SWITCH FOR AUTO-RESTART SETTING PUMP Alarm Output TO WIRE DISPLAY CN10(CN10A) CONTROLLER BOARD Reactor INDOOR UNIT SWITCH...
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Page 14: Air Velocity Distributions (Reference Data)
Air Velocity Distributions (Reference Data) Air Velocity Distributions (Reference Data) 24K: Cooling: Heating: Indoor Units... - Page 15 Air Velocity Distributions (Reference Data) 30-42K: Cooling: Heating: Indoor Units...
- Page 16 Air Velocity Distributions (Reference Data) 48-60K： Cooling: Heating: Indoor Units...
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Page 17: Electric Characteristics
Electric Characteristics Electric Characteristics Power Indoor Unit Supply Model Voltage MUCSR-24-H6 220-240V 198V 254V MUCSR-30-H6 220-240 MUCSR-36-H6 220-240V 198V 254V MUCSR-42-H6 220-240V 198V 254V MUCSR-48-H6 220-240V 198V 254V MUCSR-48-H6T MUCSR-60-H6T 220-240V 198V 254V Notes: MFA: Max. Fuse Amps. (A) Indoor Units... -
Page 18: Sound Levels
Sound Levels Sound Levels 1.4m Microphone Noise level dB(A) Model Noise Power dB(A) MUCSR-24-H6 MUCSR-30-H6 MUCSR-36-H6 MUCSR-42-H6 MUCSR-48-H6 MUCSR-48-H6T MUCSR-60-H6T Indoor Units... -
Page 19: Accessories
Accessories Accessories Name Shape Quantity Installation Fittings Installation paper board Tubing & Fittings Soundproof / insulation sheath Out-let pipe sheath Out-let pipe clasp Drainpipe Fittings Drain joint Seal ring Remote controller & Its Frame Remote controller & Its Frame(The product you Remote controller holder have might not be provided the following... -
Page 20: The Specification Of Power
The Specification of Power 9. The Specification of Power Model(Btu/h) 18000~24000 30000 36000 36000 Phase 1-phase 1-phase 1-phase 3-phase Frequency 220-240V, 50Hz 220-240V, 50Hz 220-240V, 50Hz 380-420V, 50Hz POWER Voltage POWER WIRING 3×2.5 3×2.5 3×4.0 5×2.5 (mm2) CIRCUIT BREAKER/Fuse (A) 30/20 40/30 40/30... -
Page 21: Field Wiring
Field Wiring 10. Field Wiring Indoor Units... - Page 22 Duct Type Duct Type (MUCR-12/18/24/30/36/48-H6) (MUCR-48/60-H6T) 1. Features ................. 21 2. Dimensions ..............24 3. Service Space ..............25 4. Wiring Diagrams ............26 5. Static Pressure ............... 28 6. Electric Characteristics ..........31 7. Sound Levels ..............32 8. Accessories ..............33 9.
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Page 23: Features
Features Features 1.1 Installation accessories: (Optional) Front Board, Canvas Air Passage, Filter, Panel, for easy installation Front Board Filter Panel 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 24 Features 1.4 Easy maintenance Clean the filter (Optional, standard product without filter) It is easy to draw out the filter from the indoor unit for cleaning, even the filter is installed in rear side or bottom side. Replace the motor or centrifugal fan Remove the ventilated panel firstly.
- Page 25 Features 1.6 Built-in drain pump (Optional): Built-in drain pump can lift the water to 750mm upmost. It’s convenient to install drainage piping under most space condition. 1.7 Built-in display board The standard indoor unit can be controlled by wired controller. ...
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Page 26: Dimensions
Dimensions Dimensions air inlet from rear side Air filter ( optional ) 4-install hanger Liquid side 25 Drain pipe Gas side 25 Drain pipe Test mouth & Test cover 25 Drain connecting pipe ( for pump ) Fresh air intake Electric control box Air filter ( optional ) air inlet from bottom side... -
Page 27: Service Space
Service Space Service Space Ensure enough space required for installation and maintenance. All the indoor units reserve the hole to joint the fresh air pipe. The hole size as following: Indoor Units... -
Page 28: Wiring Diagrams
Wiring Diagrams Wiring Diagrams MUCR-12-H6 To CCM WIRING DIAGRAM (INDOOR UNIT) NOTE: TO WIRE Comm.Bus This symbol indicates the element is optional, F O R S E T T I N G F A N M O T O R C O N T R O L F O R S E T T I N G F A N M O T O R C O N T R O L CONTROLLER T H E N N O P O W E R R E Q U E S T... - Page 29 Wiring Diagrams MUCR-18-H6(V2), MUCR-24-H6(V2), MUCR-30-H6(V2), MUCR-42-H6(V2), MUCR-48-H6(V2) MUCR-48-H6T(V2), MUCR-60-H6T(V2) 16023000A20157 WIRING DIAGRAM (INDOOR UNIT) CN18 CN40 Reactor CONVERT MODULE BOARD INDOOR UNIT MAINBOARD FOR SETTING NETADDRESS CN13 ENC1 PUMP CODE NETADDRESS 0~15 FACTORY SETTING CL94907 TO WIRE DISPLAY CN10(CN10A) CONTROLLER BOARD FAN1 CL94848...
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Page 30: Static Pressure
Static Pressure Static Pressure MUCR-12-H6 MUCR-18-H6 Indoor Units... - Page 31 Static Pressure MUCR-24-H6 MUCR-30-H6 Indoor Units...
- Page 32 Static Pressure MUCR-36-H6 MUCR-42-H6, MUCR-48-H6, MUCR-48-H6T, MUCR-60-H6T Indoor Units...
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Page 33: Electric Characteristics
Electric Characteristics Electric Characteristics Indoor Unit Power Supply Model Voltage Min. Max. MUCR-12-H6 220-240V 198V 254V MUCR-18-H6 220-240V 198V 254V MUCR-24-H6 220-240V 198V 254V MUCR-30-H6 220-240V 198V 254V MUCR-36-H6 220-240V 198V 254V MUCR-42-H6 220-240V 198V 254V MUCR-48-H6 220-240V 198V 254V MUCR-48-H6T MUCR-60-H6T 220-240V... -
Page 34: Sound Levels
Sound Levels Sound Levels Concealed Duct Type Discharge Suction Duct Duct 1.4m Microphone Noise level dB(A) Sound Power Model dB(A) MUCR-12-H6 MUCR-18-H6 MUCR-24-H6 MUCR-30-H6 MUCR-36-H6 MUCR-42-H6 MUCR-48-H6 MUCR-48-H6T MUCR-60-H6T Indoor Units... -
Page 35: Accessories
Accessories 8. Accessories Name Shape Quantity Soundproof / insulation sheath Tubing & Fittings Binding tape Seal sponge Drain joint Drainpipe Fittings (for cooling & heating) Seal ring Wired controller & Its Frame Wired controller ， Owner s manual Others Installation manual Magnetic ring (twist the electric wires L EMS &... -
Page 36: The Specification Of Power
The Specification of Power The Specification of Power Model(Btu/h) 12000 18000-24000 30000 36000 36000 Phase 1-phase 1-phase 1-phase 1-phase 3-phase Frequency and 220-240V, 220-240V, 220-240V, 220-240V, 380-420V, POWER Voltage 50Hz 50Hz 50Hz 50Hz 50Hz POWER 3×2.5 3×2.5 3×2.5 3×4.0 5×2.5 WIRING (mm CIRCUIT BREAKER/Fuse (A) 20/16... -
Page 37: Field Wiring
Field Wiring Field Wiring MUCR-12-H6 MUCR-18-H6, MUCR-24-H6, MTB-30HWDN1-QRD0, MUCR-36-H6 MUCR-42-H6, MUCR-48-H6, MUCR-48-H6T, MUCR-60-H6T Indoor Units... - Page 38 Ceiling & Floor Type (MUSTR-18/24/30/36/42/48-H6) (MUSTR-48/60-H6T) 1. Features ....................37 2. Dimensions ..................38 3. Service Space ..................39 4. Wiring Diagrams ................40 5. Electric Characteristics ..............42 6. Sound Levels ..................42 7. Air Velocity and Temperature Distributions (Reference Data) ..43 8.
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Page 39: Features
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 40: Dimensions
Dimensions 2. Dimensions Wiring connection port Drain discharge port Fresh air intake Refrigerant pipe hole Hanging arm Capacity (KBtu/h) MUSTR-18-H6 1068 MUSTR-24-H6 MUSTR-30-H6 1285 1200 MUSTR-36-H6 MUSTR-42-H6 MUSTR-48-H6 1650 1565 MUSTR-48-H6T MUSTR-60-H6T Indoor Units... -
Page 41: Service Space
Service Space 3. Service Space Indoor Units... -
Page 42: Wiring Diagrams
Wiring Diagrams 4. Wiring Diagrams MUSTR-18-H6, MUSTR-24-H6, MUSTR-30-H6 NOTE: WIRING DIAGRAM This symbol indicates the element is (INDOOR UNIT) optional, the actual shape shall prevail. 16022700A15755 CONVERT FOR SETTING FOR SETTING MOTOR CONTROL MODULE BOARD WHEN NO POWER REQUEST AUTO-RESTART CN18 Reactor For setting netaddress... - Page 43 Wiring Diagrams MUSTR-36-H6, MUSTR-42-H6, MUSTR-48-H6, MUSTR-48-H6T, MUSTR-60-H6T WIRING DIAGRAM(INDOOR UNIT) FOR SETTING FAN MOTOR CONTROL FOR SETTING AUTO-RESTART WHEN THERE IS NO DEMAND CN18 DC MOTOR Reactor DRIVER MODLE MODE AUTO-RESTART NOT AUTO-RESTART MODE FAN OFF FAN ON CN13 FACTORY CN21/CN22 FACTORY SETTING SETTING...
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Page 44: Electric Characteristics
Electric Characteristics 5. Electric Characteristics Indoor Units Power Supply Model Voltage Min. Max. 220-240V 198V 254V MUSTR-18-H6 220-240V 198V 254V MUSTR-24-H6 MUSTR-30-H6 220-240V 198V 254V 220-240V 198V 254V MUSTR-36-H6 MUSTR-42-H6 220-240V 198V 254V MUSTR-48-H6 / 220-240V 198V 254V MUSTR-48-H6T MUSTR-60-H6T 220-240V 198V 254V... -
Page 45: Air Velocity And Temperature Distributions (Reference Data)
Air Velocity and Temperature Distributions (Reference Data) 7. Air Velocity and Temperature Distributions (Reference Data) Model: MUSTR-18-H6, MUSTR-24-H6 Ceiling installation: Discharge angle 17° Discharge angle 50° Indoor Units... - Page 46 Air Velocity and Temperature Distributions (Reference Data) Floor installation: Discharge angle 17° Discharge angle 50° Indoor Units...
- Page 47 Air Velocity and Temperature Distributions (Reference Data) Model: MUSTR-30-H6, MUSTR-36-H6 Ceiling installation: Discharge angle 17° Discharge angle 50° Indoor Units...
- Page 48 Air Velocity and Temperature Distributions (Reference Data) Floor installation: Discharge angle 17° Discharge angle 50° Indoor Units...
- Page 49 Air Velocity and Temperature Distributions (Reference Data) Model: MUSTR-42-H6, MUSTR-48-H6, MUSTR-48-H6T, MUSTR-60-H6T Ceiling installation: Discharge angle 17° Discharge angle 50° Indoor Units...
- Page 50 Air Velocity and Temperature Distributions (Reference Data) Floor installation: Discharge angle 17° Discharge angle 50° Indoor Units...
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Page 51: Accessories
Accessories 8. Accessories Name Shape Quantity 1. Remote controller Remote controller & Its holder(The product you 2. Remote controller holder have might not be provided the following accessories) 3. Mounting screw (ST2.9×10-C-H) 4. Alkaline dry batteries (AM4) 5. Owner's manual Others 6. -
Page 52: Field Wiring
10. Field Wiring Indoor Units... - Page 53 Four-way Cassette Type (Compact) Four-way Cassette Type (Compact) (MUCSR-12/18-H6) 1. Features ....................52 2. Dimensions ..................53 3. Service Space ..................53 4. Wiring Diagrams .................. 54 5. Air Velocity and Temperature Distributions (Reference Data) ..56 6. Electric Characteristics ..............57 7.
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Page 54: Features
Features 1. Features 1.1 New panel 360°surrounding air outlet design, affords comfortable feeling 1.2 Compact design The body size is 570×260×570mm, it’s just smaller than the ceiling board, so it’s very easy for installation and will not damage the decoration. The panel size is 647×50×647mm. ... -
Page 55: Dimensions
Dimensions 2. Dimensions MUCSR-12-H6, MUCSR-18-H6 Liquid side Gas side Body Drain hole Wiring connection port ( for Service ) E-parts box 150 Distribution duct 4-Screw hole (for install panel) 4-install hanger Drain pipe Fresh air intake Wiring connection port Panel 3. -
Page 56: Wiring Diagrams
Service Space 4. Wiring Diagrams MUCSR-12-H6 Inner Driver Alarm TO WIRE Remote DC Motor Output CONTROLLER Control Reactor TO WIRE DISPLAY CONTROLLER BOARD 0~15 16~31 CN10A CN40 ON - OFF ALARM CN23 According CN15 to the 48~63 32~47 CN33 EEPROM setting INDOOR UNIT SWITCH... - Page 57 Wiring Diagrams MUCSR-12-H6(V2) FOR SETTING WIRECONTROL ADDRESS CL94848 FUNCTION OF SWITCH Anti-cold air Inner Driver Alarm ADSS TO WIRE Remote DC Motor Output FAN MOTOR STOP-TEM SWITCH FOR CCM UNIT ADDRESS CONTROLLER Control CODE NETADDRESS 0~15 FACTORY SETTING Factory setting DISPLAY MAGNETIC ADDRESS...
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Page 58: Air Velocity And Temperature Distributions (Reference Data)
Air Velocity and Temperature Distributions (Reference Data) 5. Air Velocity and Temperature Distribution s (Reference Data) Airflow velocity Temperature Indoor Units... -
Page 59: Electric Characteristics
Electric Characteristics 6. Electric Characteristics Indoor Units Power Supply Model Voltage Min. Max. MUCSR-12-H6 220-240V 198V 254V MUCSR-18-H6 220-240V 198V 254V Note: MFA: Max. Fuse Amps. (A) 7. Sound Levels 1.4m Microphone Noise level dB(A) Model Noise Power dB(A) MUCSR-12-H6 MUCSR-18-H6 Indoor Units... -
Page 60: Accessories
8. Accessories Name Shape Quantity Installation Fittings Installation paper board Tubing & Fittings Soundproof / insulation sheath Out-let pipe sheath Out-let pipe clasp Drainpipe Fittings Drain joint Seal ring Remote controller & Its Frame Remote controller & Its Frame(The product you Remote controller holder have might not be provided the following... -
Page 61: Field Wiring
Field Wiring 10. Field Wiring MUCSR-12-H6 MUCSR-18-H6 Indoor Units... -
Page 62: Part 3 Outdoor Units
Outdoor Units Part 3 Outdoor Units 1. Dimensions ..............61 2. Service Space ..............63 3. Wiring Diagrams ............64 4. Piping Diagrams ............. 68 5. Electric Characteristics ..........69 6. Operation Limits............. 70 7. Sound Levels ..............71 Outdoor Units... -
Page 63: Dimensions
Dimensions 1. Dimensions Unit：mm Model 12/18 30/36/42 1030 Outdoor Units... - Page 64 Dimensions Unit：mm Model 48/60 1333 1045 Outdoor Units...
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Page 65: 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 66: Wiring Diagrams
Wiring Diagrams 3. Wiring Diagrams MUCR-12-H6, MUCSR-12-H6 YELLOW OR BLACK BLUE 1(L) 2(N) CN 1A POWER SUPPLY INDOOR UNIT 4-WAY OPTIONAL BLUE CRANKCASE HEATER OPTIONAL HEATER BLACK COMPRESSOR CN 21 CN 7 CN 31 ELECTRONIC EXPANSION VALVE DC-FAN OPTIONAL: 16022000022493 DC-FAN Outdoor Units... - Page 67 Wiring Diagrams MUCR 18 H6, MUCSR 18 H6, MUSTR 18 H6 BLACK CN 1-3 BLUE CN 1-2 CN 2 BROWN CN 1-1 S(A) N(A) L(A) S(2) NOTE: S(A),S(B),L(A),N(A) CN 1A NO USED S(1) S(B) N(B) L(B) 4-WAY OPTIONAL BLUE CRANKCASE HEATER OPTIONAL TO INDOOR COMM.
- Page 68 Wiring Diagrams MUCR-36-H6, MUCSR-36-H6, MUSTR-36-H6 MUCR-42-H6, MUCSR-42-H6, MUSTR-42-H6 BLACK COMP BLUE Applicable to the units adopting DC motor only CN34 CN12 CN11 CN20 4-WAY1 BLACK BLUE BLUE ORANGE DRIVER BOARD CN33 BLUE OPTIONAL CN10 HEAT1 BLACK CN54 CN22 The electric heating BLUE belt of compressor ORANGE...
- Page 69 Wiring Diagrams MUCR-48-H6, MUCSR-48-H6, MUSTR-48-H6 WIRING DIAGRAM (OUTDOOR UNIT) 1 6 02 2 5 00 0 0 3 3 06 YELLOW YELLOW PART NAME CODE COMPRESSOR COMP CAP1,CAP2 FAN MOTOR CAPACITOR AC CURRENT DETECTOR DIODE MODULE ELECTRIC EXPANSIVE VALVE BLUE/BLACK FM1,FM2 OUTDOOR DC FAN FAN1,FAN2...
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Page 70: Piping Diagrams
Piping Diagrams 4. Piping Diagrams MUCR-12/18/24-H6, MUCSR-12/18/24-H6, MUSTR-12/18/24-H6 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 71: Electric Characteristics
Electric Characteristics 5. Electric Characteristics Power Supply Outdoor Unit Model Voltage Min. Max. MUCR-12-H6 220-240V 198V 254V MUCSR-12-H6 MUCR-18-H6 MUCSR-18-H6 220-240V 198V 254V MUSTR-18-H6 MUCR-24-H6 220-240V 198V 254V MUCSR-24-H6 MUSTR-24-H6 MUCR-30-H6 MUCSR-30-H6 220-240V 198V 254V MUSTR-30-H6 MUCR-36-H6 MUCSR-36-H6 220-240V 198V 254V MUSTR-36-H6 MUCR-42-H6... -
Page 72: Operation Limits
Operation Limits 6. Operation Limits Temperature Cooling operation Heating operation Drying operation Mode Room temperature 17℃～32℃ 0℃～30℃ 17℃～32℃ Outdoor temperature -15℃～50℃ -15℃～24℃ -15℃～24℃ 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 73: 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) MUCR-12-H6 MUCSR-12-H6 MUCR-18-H6 MUCSR-18-H6 56.5 MUSTR-18-H6 MUCR-24-H6 MUCSR-24-H6 60.5 MUSTR-24-H6 MUCR-30-H6 MUCSR-30-H6 59.5 MUSTR-30-H6 MUCR-36-H6 MUCSR-36-H6 MUSTR-36-H6 MUCR-42-H6 MUCSR-42-H6... -
Page 74: Part 4 Installation
Installation Part 4 Installation 1. Installation Procedure ............ 73 2. Location selection ............74 3. Indoor unit installation ........... 75 4. Outdoor unit installation ..........89 5. Refrigerant pipe installation ........... 90 6. Drainage pipe installation ..........94 7. Vacuum Drying and Leakage Checking ......98 8. -
Page 75: 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 76: 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 77: 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 24~42 >275 48/60 >317 3.1.2 Bolt pitch Installation... - Page 78 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 79 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 80 Indoor unit installation Tighten the screws under the panel hooks till the panel closely stick on the ceiling to avoid condensate water. Installation...
- Page 81 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 82 Indoor unit installation 3.2 Duct indoor unit installation 3.2.1 Service space for indoor unit 3.2.2 Bolt pitch Size of outline dimension mounted plug Capacity(KBtu) 18/24 1240 36~60 1240 Installation...
- Page 83 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 84 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 85 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 Capacity (KBtu/h) 18/24 1200 36~60 1565 ② Wall-mounted installation Installation...
- Page 86 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 87 Indoor unit installation Put the side panels and grilles back. 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.) Installation...
- Page 88 Indoor unit installation 3.4 Compact cassette indoor unit installation 3.4.1 Service space for indoor unit 3.4.2 Bolt pitch 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 89 Indoor unit installation If the ceiling is extremely high, please determine the length of the installation hook depending on the real situation. 3.4.4 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 90 Indoor unit installation 3.4.5 Install the panel Remove the grille Hang the panel to the hooks on the mainbody. 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 91: Outdoor Unit Installation
Outdoor unit installation 4. Outdoor unit installation 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 12/18 30~42... -
Page 92: 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. Model Max. - Page 93 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 exogenous impurity come into the pipe.
- Page 94 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 95 Refrigerant pipe installation Installation...
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Page 96: 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 97 Drainage pipe 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. 6.2.4 Supporter gap of drainage pipe ...
- Page 98 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. Pump head of big four way cassette: 750mm Pump head of compact four way cassette: 500mm ...
- Page 99 Drainage pipe 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 100: Vacuum Drying And Leakage Checking
Vacuum Drying and Leakage Checking 7. 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. ... -
Page 101: Additional Refrigerant Charge
Additional refrigerant charge 8. 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. -
Page 102: Engineering Of Insulation
Engineering of insulation 9. 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 ... -
Page 103: Engineering Of Electrical Wiring
Engineering of electrical wiring 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. ... -
Page 104: Test Operation
Test operation 11. 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. ... -
Page 105: Part 5 Electrical Control System
Electrical Control System Part 5 Electrical Control System 1. Electrical Control Function ........104 2. Troubleshooting ............114 Electrical Control System... - Page 106 Electrical Control Function 1. Electrical Control Function 1.1 Definition T1: Indoor room temperature T2: Coil temperature of indoor heat exchanger middle T2B: Coil temperature of indoor heat exchanger outlet T3: Coil temperature of condenser T4: Outdoor ambient temperature T5: Compressor discharge temperature 1.2 Main Protection 1.2.1 Time delay at restart for compressor.
- Page 107 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) The louver operates same as in cooling mode. (4) Auto fan: T1-24 (H-L)*0.75+L (H-L)*0.5+L...
- Page 108 Electrical Control Function 18~60K 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, auto and silent. When the compressor is running, the indoor fan is controlled as below: Setting fan T1-Td ℃(°F) Actual fan speed...
- Page 109 Electrical Control Function 1.3.2.4 Condenser high temperature T3 protection 18~60K Decrease Decrease Hold Hold Resume Increase slowly Resume 1.3.3 Heating Mode 1.3.3.1 Outdoor fan running rules: Frequency linkage area Frequency linkage area: 18~60K: Electrical Control System...
- Page 110 Electrical Control Function 1.3.3.2 Indoor fan running rules: In heating mode, indoor fan can be selected as high, medium, low, auto and silent. The anti-cold- wind function has the priority. When the compressor is running, the indoor fan is controlled as below: Setting fan T1-Td℃...
- Page 111 Electrical Control Function 1.3.3.4 High evaporator coil temp.T2 protection: TEstop Decrease TEdown Hold TEnorm Resume Off: Compressor stops. Decrease: Decrease the running frequency to the lower level. Hold: Keep the current frequency. Resume: No limitation for frequency. 1.3.4 Auto-mode This mode can be chosen with remote controller and the setting temperature can be changed between 17~30℃.
- Page 112 Electrical Control Function 1.3.6.6 The timer function will not change the AC current operation mode. Suppose AC is off now, it will not start up firstly after setting the “timer off” function. And when reaching the setting time, the timer LED will be off and the AC running mode has not been changed.
- Page 113 Electrical Control Function will be shielded. When the follow-me function is available, the PCB will not respond according to the setting temperature from follow-me signal every 3 minutes. The PCB will take action to the mode change information from remote controller signal, and the follow-me function will be turned off.
- Page 114 Electrical Control Function AD value of current The display value is hex number. AD value of voltage Off:0, Fan only 1,Cooling:2, Heating:3, Forced cooling:4, Indoor unit running mode code Dry:6,Self-clean:8, Forced defrosting:10 Off:0, Fan only 1,Cooling:2, Heating:3, Forced cooling:4, Outdoor unit running mode code Dry:6,Self-clean:8, Forced defrosting:10 Actual data/4.
- Page 115 Electrical Control Function If the temp. is lower than -9 degree, the digital display tube will show “9”.If the temp. is higher than 70 degree, the digital display tube will show “70”. If the capacity demand is 0, , the T2B of 1# indoor unit digital display tube will show “0.
- Page 116 Troubleshooting 2. Troubleshooting 2.1 Display board 2.1.1 Icon explanation on indoor display board (MUCSR-24/30/36/42/48-H6 / MUCSR-48/60-H6T). 2.1.2 Icon explanation on indoor display board (MUCR-H6) 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...
- Page 117 Troubleshooting 2.2 Indoor unit malfunction MUCSR-12-H6 MUCR-12-H6 Operation Lamp Malfunction Error Code Timer Lamp (flashes) Indoor EEPROM malfunction Communication malfunction between indoor and outdoor units Indoor fan speed has been out of control Open or short circuit of T1 temperature sensor Open or short circuit of T2 temperature sensor Refrigerant leakage detection Water level alarm...
- Page 118 Troubleshooting MUCSR-18/24/30/36/42/48-H6 MUCSR-48/60-H6T MUCR-18/24/30/36/42/48-H6 MUCR-48/60-H6T MUSTR-18/24/30/36/42/48-H6 MUSTR-48/60-H6T Operation Lamp Malfunction Error Code Timer Lamp (flashes) Indoor EEPROM malfunction Communication malfunction between indoor and outdoor units Indoor fan speed has been out of control Open or short circuit of T1 temperature sensor Open or short circuit of T2 temperature sensor Refrigerant leakage detection Water level alarm...
- Page 119 Troubleshooting 2.3 Outdoor unit malfunction For 18~60K: Display Malfunction or Protection Communication malfunction between indoor and outdoor units Overcurrent protection Ambient temperature sensor (T4) is malfunction Outdoor heat-exchanger temperature sensor (T3) is malfunction Discharge temperature sensor (T5) is malfunction Outdoor EEPROM is malfunction Outdoor fan speed has been out of control IPM module protection DC voltage too high or too low protection...
- Page 120 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 121 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 122 Troubleshooting 2.4.1.5. Indoor fan speed has been out of control. Power off, then restart the Power off, then restart the unit 2 minutes later. Is it still The unit operates normally. The unit operates normally. unit 2 minutes later. Is it still displaying the error code? displaying the error code? Find out the cause and...
- Page 123 Troubleshooting 2.4.1.6. Refrigerant Leakage Detection Shut off the power supply and turn it on 2 minutes later. Is it still displaying the error code? Check if T2 sensor is well Is there cool air blowing fixed. Correct the installation or replace T2 sensor. Does out from indoor air outlet? the problem remain again? Is there any leakage? Especially...
- Page 124 Troubleshooting 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 F0 Displayed Communication failure between Communication failure between indoor unit and up-down panel indoor unit and up-down panel Check the wire connection Check the wire connection between up-down panel and Correct the connection...
- Page 125 Troubleshooting 2.4.3 For the unit with TWINS function (For cassette, duct and ceiling floor). 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 126 Troubleshooting 2.4.4 For the outdoor unit 2.4.4.1. Compressor driven chip EEPROM malfunction Compressor driven chip Compressor driven chip EEPROM malfunction EEPROM malfunction Power off, then restart the Power off, then restart the unit 2 minutes later unit 2 minutes later Replace the compressor drive Replace the compressor drive 2.4.4.2 Compressor speed has been out of control/ Zero speed protection / Synchronous fault protection...
- Page 127 Troubleshooting 2.4.4.3 MCE malfunction MCE malfunction MCE malfunction Power off, then restart the Power off, then restart the unit 2 minutes later unit 2 minutes later Replace the compressor driven chip, Replace the compressor driven chip, 2.4.4.4. F4 malfunction F4- Display F4- Display Outdoor EEPROM malfunction Outdoor EEPROM malfunction...
- Page 128 Troubleshooting 2.4.4.5. E1 malfunction For current loop communication (Model 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 129 Troubleshooting For 485 communication (Models 18 to 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...
- Page 130 Troubleshooting 2.4.4.6. J4 malfunction J4 Display J4 Display Communication error between outdoor main Communication error between outdoor main chip and compressor driven chip chip and compressor driven chip Is there at least one LED in the Is there at least one LED in the compressor driven chip light? compressor driven chip light? Check the signal wire between the...
- Page 131 Troubleshooting 2.4.4.7. F1, F2, F3 malfunction Error 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 condenser temp.
- Page 132 Troubleshooting 2.4.4.8. P6 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 133 Troubleshooting 2.4.4.9. F5 malfunction The same as E3 in indoor. 2.4.4.10. J5 malfunction 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...
- Page 134 Troubleshooting 2.4.4.11. J6 malfunction 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 Connect it well protector and main control Connect it well board is connected well or board is connected well or correctly...
- Page 135 Troubleshooting 2.4.4.12. F0 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 136 Troubleshooting 2.4.4.13. J2 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 137 Troubleshooting 2.4.4.14. J1 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 138 Troubleshooting 2.4.4.15. P0 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 139 Troubleshooting 2.4.4.16. J0 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 140 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 141 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 142 Appendix 3 Normal voltage of P and N 208-240V(1-phase,3-phase) 380-420V(3-phase) In standby around 310VDC 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 143 ASK FOR MORE INFORMATION Phone: (+34) 93 446 27 81 eMail: info@mundoclima.com TECHNICAL ASSISTANCE Phone: (+34) 93 652 53 57 www.mundoclima.com...
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