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Midea Super DC Series, Service Manual

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Midea Super DC Series Service Manual Download Page 27

 

Features  

Indoor Units 

25 

 

 

 

1.7 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 2m. The unit will  realized remoter control.   

 

The wired controller and the display board can display the error code or  protection code when the chips 
detect some failure. 

 

   

             

 

1.8 Twins Combination 

 

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.  

 

 
 
 
 
 
 
 

 

Displa

y 

7

5

0

m

m

 u

p

m

o

st

 

 

Wired Controller (Standard) 
 

Remote Controller (Optional) 
 

Summary of Contents for Super DC Series

Page 1: ...Contents i Energy Related Products SUPER DC INVERTER SERIES Service Manual 2017...

Page 2: ...formation 1 Part 2 Indoor Units 6 Part 3 Outdoor Units 111 Part 4 Installation 124 Part 5 Electrical Control System 162 The specifications designs and information in this book are subject to change wi...

Page 3: ...General Information General Information 1 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...

Page 4: ...QRD0 Rotary GMCC MCA3 18HRFN1 QRD0 MCD 18HRFN1 QRD0 MTB 18HWFN1 QRD0 MUE 18HRFN1 QRD0 MTI 18HWFN1 QRD0 MOCA30U 24HFN1 QRD0 Rotary GMCC MCD 24HRFN1 QRD0 MTB 24HWFN1 QRD0 MUE 24HRFN1 QRD0 MFM 24HRFN1 QR...

Page 5: ...External Appearance General Information 3 2 ExternalAppearance 2 1 Indoor Units Super slim cassette Duct Ceiling Floor CompactFour way cassette Console M Floor standing GA Floor standing...

Page 6: ...External Appearance General Information 4 2 2 Outdoor Units Single fan outdoor unit Double fan outdoor unit...

Page 7: ...C T im e C D e s ig n e d D T im e D D e s ig n e d P ro d u c t C a te g o ry C C a s s e tte T y p e V A H U T y p e T D u c t T y p e F C o n s o le T y p e U C e ilin g F lo o r T y p e H H ig h...

Page 8: ...door Units 6 Part 2 Indoor Units Super Slim Cassette Type 7 A5 Duct Type 22 A6 Duct Type 38 Ceiling Floor Type 52 Four way Cassette Type Compact 66 Console Type 76 M Floor standing Type 88 GA Floor st...

Page 9: ...im Cassette Type 1 Features 8 2 Dimensions 11 3 Service Space 12 4 Wiring Diagrams 13 5 Air Velocity Distributions Reference Data 14 6 Electric Characteristics 17 7 Sound Levels 18 8 Accessories 19 9...

Page 10: ...air quality more healthy and comfortable Ventilation motor is optional to increase the effect of fresh air 1 3Optional ionizer generator Ionizer generator is optional to get refreshing air to your roo...

Page 11: ...ir or replace the draining pump Built in draining pump to make sure condensed water drain out reliably 1 6Terminals for alarm lamp and long distance on off controller connection are standard Reserve t...

Page 12: ...Combination 18k 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 Alarm lamp...

Page 13: ...v ic e h o le fo r d ra in in g p u m p F re s h a ir in ta k e 7 5 5 5 8 0 8 0 4 in s ta ll h a n g e r G a s s id e L iq u id s id e E p a rts b o x 1 3 5 9 0 P a n e l B o d y 9 2 9 2 9 2 9 2 D D 9...

Page 14: ...Service Space Indoor Units 12 3 Service Space 1000mm 1000mm 1000mm 1000m m Chart 3...

Page 15: ...Wiring Diagrams Indoor Units 13 4 Wiring Diagrams MCD 18HRFN1 QRD0 MCD 24HRFN1 QRD0 MCD 30HRFN1 QRD0 MCD 36HRFN1 QRD0 MCD 42HRFN1 QRD0 MCD 48HRFN1 QRD0 MCD 55HRFN1 QRDO...

Page 16: ...Air Velocity Distributions Reference Data Indoor Units 14 5 Air Velocity Distributions Reference Data 18 24K Cooling Heating...

Page 17: ...Air Velocity Distributions Reference Data Indoor Units 15 30 42K Cooling Heating...

Page 18: ...Air Velocity Distributions Reference Data Indoor Units 16 48 55K Cooling Heating...

Page 19: ...Min Max MFA MCD 18HRFN1 QRD0 50 220 240V 198V 254V MCD 24HRFN1 QRD0 50 220 240V 198V 254V MCD 30HRFN1 QRD0 50 220 240 198 254 MCD 36HRFN1 QRD0 50 220 240V 198V 254V MCD 42HRFN1 QRD0 50 220 240V 198V...

Page 20: ...p h o n e Model Noise Power dB A Noise level dB A H M L MCD 18HRFN1 QRD0 56 46 41 37 MCD 24HRFN1 QRD0 62 46 42 39 MCD 30HRFN1 QRD0 65 53 48 44 MCD 36HRFN1 QRD0 65 56 52 48 MCD 42HRFN1 QRD0 64 52 40 47...

Page 21: ...al ring 1 Remote controller Its Frame The product you have might not be provided the following accessories Remote controller Its Frame 1 Remote controller holder 1 Mounting screw ST2 9 10 C H 2 Remote...

Page 22: ...0 30 40 30 30 20 Indoor Outdoor Connecting Wiring Weak Electric Signal mm 2 2 0 2 2 0 2 2 0 2 2 0 2 Indoor Outdoor Connecting Wiring Strong Electric Signal mm 2 3 1 0 3 1 0 3 1 0 3 1 0 Model Btu h 420...

Page 23: ...Field Wiring Indoor Units 21 10 Field Wiring...

Page 24: ...s 22 A5 Duct Type 1 Features 23 2 Dimensions 26 3 Service Space 27 4 Wiring Diagrams 28 5 Static Pressure 30 6 Electric Characteristics 33 7 Sound Levels 34 8 Accessories 35 9 The Specification of Pow...

Page 25: ...rear to the bottom in order to matching the installation condition 1 3 Fresh air intake function Optional for 18 60k Install one duct from the reserved fresh air intake to outdoor Continually inhale t...

Page 26: ...mote 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 func...

Page 27: ...of 2m The unit will realized remoter control The wired controller and the display board can display the error code or protection code when the chips detect some failure 1 8 Twins Combination The unit...

Page 28: ...D ra in p ip e Note standard product without filter Unit mm Model Outline dimension mm Air outlet opening size Air return opening size Size of install hanger Size of refrigerant pipe A B C D E F G H I...

Page 29: ...Service Space Indoor Units 27 3 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...

Page 30: ...Wiring Diagrams Indoor Units 28 4 Wiring Diagrams MTBU 12HWFN1 QRD0W MTB 18HWFN1 QRD0...

Page 31: ...Wiring Diagrams Indoor Units 29 MTB 24HWFN1 QRD0 MTB 30HWFN1 QRD0 MTB 36HWFN1 QRD0 MTB 42HWFN1 QRD0 MTB 48HWFN1 QRD0 MTB 55HWFN1 QRD0 Pre setting Instructions...

Page 32: ...Static Pressure Indoor Units 30 5 Static Pressure MTBU 12HWFN1 QRD0W MTB 18HWFN1 QRD0...

Page 33: ...Static Pressure Indoor Units 31 MTB 24HWFN1 QRD0 MTB 30HWFN1 QRD0...

Page 34: ...Static Pressure Indoor Units 32 MTB 36HWFN1 QRD0 MTB 42HWFN1 QRD0 MTB 48HWFN1 QRD0 MTB 55HWFN1 QRD0...

Page 35: ...WFN1 QRD0W 50 220 240V 198V 254V MTB 18HWFN1 QRD0 50 220 240V 198V 254V MTB 24HWFN1 QRD0 50 220 240V 198V 254V MTB 30HWFN1 QRD0 50 220 240V 198V 254V MTB 36HWFN1 QRD0 50 220 240V 198V 254V MTB 42HWFN1...

Page 36: ...D u c t T y p e D u c t D u c t Model Sound Power dB A Noise level dB A H M L MTBU 12HWFN1 QRD0W 59 42 38 35 MTB 18HWFN1 QRD0 57 44 40 37 MTB 24HWFN1 QRD0 60 44 42 38 MTB 30HWFN1 QRD0 65 53 48 44 MTB...

Page 37: ...lation sheath 2 Binding tape 1 Seal sponge 1 Drainpipe Fittings for cooling heating Drain joint 1 Seal ring 1 Wired controller Its Frame Wired controller 1 Others Owner s manual 1 Installation manual...

Page 38: ...se A 20 16 30 20 40 30 40 30 30 20 Indoor Outdoor Connecting Wiring Weak Electric Signal mm 2 2 0 2 2 0 2 2 0 2 2 0 2 Indoor Outdoor Connecting Wiring Strong Electric Signal mm 2 4 1 0 3 1 0 3 1 0 3 1...

Page 39: ...Field Wiring Indoor Units 37 10 Field Wiring MTBU 12HWFN1 QRD0W MTB 18HWFN1 QRD0 MTB 24HWFN1 QRD0 MTB 30HWDN1 QRD0 MTB 36HWFN1 QRD0 MTB 42HWFN1 QRD0 MTB 48HWFN1 QRD0 MTB 55HWFN1 QRD0...

Page 40: ...Indoor Units 38 A6 Duct Type 1 Features 39 2 Dimensions 44 3 Service Space 45 4 Wiring Diagrams 46 5 Electric Characteristics 47 6 Sound Levels 48 7 Accessories 49 8 The Specification of Power 50 9 Fi...

Page 41: ...spaces 18K unit 210mm 24K 36K unit 249mm 48K unit 300mm 1 3 Constant air volume control For ordinary duct when the static pressure exceeds the expected range it is fairly difficult even for an experi...

Page 42: ...n wire connection A6 duct uses two wires without polarity connection way which almost has no mistake during the installation 1 7 Easy Clean Clean the filter Optional standard product without filter It...

Page 43: ...hed heat exchanger and water receiver tray in behind can be seen very clearly Dust can be easily removed from the inside by vacuum 1 8 Easy maintenance A6 duct allows operators maintenance the motor f...

Page 44: ...from the reserved fresh air intake to outdoor Continually inhale the fresh air to improve the quality of the indoor air fulfills air quality more healthy and comfortable A ventilation motor provided...

Page 45: ...Features Indoor Units 43...

Page 46: ...6 50 175 1001 228 5 1140 598 80 150 130 155 inch 43 31 9 80 30 47 27 56 5 51 36 46 1 97 6 89 39 41 8 98 0 20 44 88 23 54 3 15 5 91 5 12 6 10 30 36 mm 1360 249 774 700 140 1186 50 175 1261 228 5 1400 5...

Page 47: ...Service Space Indoor Units 45 3 Service Space Ensure enough space required for installation and maintenance...

Page 48: ...Wiring Diagrams Indoor Units 46 4 Wiring Diagrams MTI 18HWFN1 QRD0 MTI 24HWFN1 QRD0 MTI 30HWFN1 QRD0 MTI 36HWFN1 QRD0 MTI 42HWFN1 QRD0 MTI 48HWFN1 QRD0 MTI 55HWFN1 QRD0...

Page 49: ...Hz Voltage Min Max MFA MTI 18HWFN1 QRD0 50 220 240 198 254 MTI 24HWFN1 QRD0 50 220 240 198 254 MTI 30HWFN1 QRD0 50 220 240 198 254 MTI 36HWFN1 QRD0 50 220 240 198 254 MTI 42HWFN1 QRD0 50 220 240 198 2...

Page 50: ...o n c e a le d D u c t T y p e D u c t D u c t Model Sound Power dB A Noise level dB A H M L MTI 18HWFN1 QRD0 58 42 40 38 MTI 24HWFN1 QRD0 62 42 39 36 MTI 30HWFN1 QRD0 63 41 40 37 MTI 36HWFN1 QRD0 62...

Page 51: ...It s Fitting for some models Magnetic ring twistthe electric wires L and N around the magnetic ring to five circles 1 Wired controller Its Frame Wired controller 1 Owner s manual of wired controller 1...

Page 52: ...40 30 40 30 30 20 Indoor Outdoor Connecting Wiring Weak Electric Signal mm 2 2 0 2 2 0 2 2 0 2 2 0 2 Indoor Outdoor Connecting Wiring Strong Electric Signal mm 2 3 1 0 3 1 0 3 1 0 3 1 0 Model Btu h 42...

Page 53: ...Field Wiring Indoor Units 51 9 Field Wiring...

Page 54: ...pe 1 Features 53 2 Dimensions 54 3 Service Space 55 4 Wiring Diagrams 56 5 Electric Characteristics 57 6 Sound Levels 57 7 Air Velocity and Temperature Distributions Reference Data 58 8 Accessories 64...

Page 55: ...3 Two direction auto swing vertical horizontal and wide angle air flow Air flow directional control minimizes the air resistance and produces wilder air flow to vertical direction The range of horizo...

Page 56: ...0 1 2 0 1 4 0 2 3 3 W irin g c o n n e c tio n p o rt 2 0 4 9 4 F re s h a ir in ta k e D ra in d is c h a rg e p o rt R e frig e ra n t p ip e h o le H a n g in g a rm D Capacity KBtu h A B C D 18 24...

Page 57: ...Service Space Indoor Units 55 3 Service Space...

Page 58: ...Wiring Diagrams Indoor Units 56 4 Wiring Diagrams MUE 18HRFN1 QRD0 MUE 24HRFN1 QRD0 MUE 30HRFN1 QRD0 MUE 36HRFN1 QRD0 MUE 42HRFN1 QRD0 MUE 48HRFN1 QRD0 MUE 55HRFN1 QRD0...

Page 59: ...FN1 QRD0 50 220 240V 198V 254V MUE 48HRFN1 QRD0 50 220 240V 198V 254V MUE 55HRFN1 QRD0 50 220 240V 198V 254V Note MFA Max Fuse Amps A 6 Sound Levels M ic ro p h o n e 1 m 1 m A ir o u tle t s id e 1 5...

Page 60: ...Temperature Distributions Reference Data Indoor Units 58 7 Air Velocity and Temperature Distributions Reference Data Model MUE 18HRFN1 QRD0 MUE 24HRFN1 QRD0 Ceiling installation Discharge angle 17 Di...

Page 61: ...Air Velocity and Temperature Distributions Reference Data Indoor Units 59 Floor installation Discharge angle 17 Discharge angle 50...

Page 62: ...Air Velocity and Temperature Distributions Reference Data Indoor Units 60 Model MUE 30HRFN1 QRD0 MUE 36HRFN1 QRD0 Ceiling installation Discharge angle 17 Discharge angle 50...

Page 63: ...Air Velocity and Temperature Distributions Reference Data Indoor Units 61 Floor installation Discharge angle 17 Discharge angle 50...

Page 64: ...Air Velocity and Temperature Distributions Reference Data Indoor Units 62 Model MUE 42HRFN1 QRD0 MUE 48HRFN1 QRD0 MUE 55HRFN1 QRD0 Ceiling installation Discharge angle 17 Discharge angle 50...

Page 65: ...Air Velocity and Temperature Distributions Reference Data Indoor Units 63 Floor installation Discharge angle 17 Discharge angle 50...

Page 66: ...hase Frequency and Voltage 220 240V 50Hz 220 240V 50Hz 220 240V 50Hz 380 415V 50Hz POWER WIRING mm 2 3 2 5 3 2 5 3 4 0 5 2 5 CIRCUIT BREAKER Fuse A 30 20 40 30 40 30 30 20 Indoor Outdoor Connecting Wi...

Page 67: ...Field Wiring Indoor Units 65 10 Field Wiring...

Page 68: ...e Type Compact 1 Features 67 2 Dimensions 69 3 Service Space 70 4 Wiring Diagrams 71 5 Air Velocity and Temperature Distributions Reference Data 72 6 Electric Characteristics 73 7 Sound Levels 73 8 Ac...

Page 69: ...7 50 647mm The hooks are designed in the four corners of the body which can save installation space 1 3 Electric control box built in design The E box is simply and safely built inside the indoor unit...

Page 70: ...Features Indoor Units 68...

Page 71: ...g e r B o d y D ra in p ip e 3 2 F re s h a ir in ta k e 6 5 6 4 7 6 4 7 5 0 D ra in h o le fo r S e rv ic e 5 4 5 5 7 0 2 6 0 6 8 4 2 1 5 7 1 2 6 4 4 W irin g c o n n e c tio n p o rt 7 5 1 5 0 D is...

Page 72: ...Service Space Indoor Units 70 3 Service Space...

Page 73: ...Wiring Diagrams Indoor Units 71 4 Wiring Diagrams MCA3U 12HRFN1 QRD0W MCA3 18HRFN1 QRD0...

Page 74: ...Air Velocity and Temperature Distributions Reference Data Indoor Units 72 5 Air Velocity and TemperatureDistributions Reference Data A irflow velocity T em perature...

Page 75: ...ower Supply Hz Voltage Min Max MFA MCA3U 12HRFN1 QRD0W 50 220 240V 198V 254V MCA3 18HRFN1 QRD0 50 220 240V 198V 254V Note MFA Max Fuse Amps A 7 Sound Levels 1 4 m M ic ro p h o n e Model Noise Power d...

Page 76: ...nting screw ST2 9 10 C H 2 Remote controller manual 1 Alkaline dry batteries AM4 2 Others Owner s manual 1 Installation manual 1 Installation accessory The product you have might not be provided the f...

Page 77: ...Field Wiring Indoor Units 75 10 Field Wiring MCA3U 12HRFN1 QRD0W MCA3 18HRFN1 QRD0...

Page 78: ...eatures 77 2 Dimensions 80 3 Service Space 81 4 Wiring Diagrams 82 5 Air Velocity and Temperature Distributions Reference Data 83 6 Electric Characteristics 84 7 Sound Levels 85 8 Accessories 86 9 The...

Page 79: ...maintain room temp Air outlet from top and bottom to make quick cooling When the A C is just switched on or room temperature is still high cold air will be blown out from top and bottom air outlet to...

Page 80: ...to prevent cold air direct blowing only the upper louver is opened in a high position the lower louver closed 1 4 Four air inlets 1 5 Low noise DC indoor fan motor which has five speeds Low noise and...

Page 81: ...Features Console Type 79 1 7 Active carbon filter is standard...

Page 82: ...Console Type Console Type 80 2 Dimensions 1 6 D r a i n p i p e 1 9 5 H a n g in g a rm U n it m m 7 0 0 6 0 0 2 1 0...

Page 83: ...Console Type Console Type 81 3 Service Space...

Page 84: ...Console Type Console Type 82 4 Wiring Diagrams MFAU 12HRFN1 QRC8W MFA 16HRFN1 QRC8W...

Page 85: ...Console Type Console Type 83 5 Air Velocity and Temperature Distributions Reference Data Discharge angle 60 A irflo w v elo city T em p eratu re...

Page 86: ...Console Type Console Type 84 6 Electric Characteristics Model Indoor Units Power Supply Hz Voltage Min Max MFA MFAU 12HRFN1 QRC8W 50 220 240V 198V 254V MFA 16HRFN1 QRC8W 50 220 240V 198V 254V...

Page 87: ...Console Type Console Type 85 7 Sound Levels 1 5 m 1 m M ic ro p h o n e Model Noise Power dB A Noise level dB A H M L MFAU 12HRFN1 QRC8W 58 47 41 35 MFA 16HRFN1 QRC8W 58 48 41 35...

Page 88: ...batteries AM4 2 Others Installation manual 1 Owner s manual 1 9 The Specification of Power Model Btu h 12000 16000 POWER Phase 1 phase 1 phase Frequency and Voltage 220 240V 50Hz 220 240V 50Hz POWER...

Page 89: ...Console Type Console Type 87 10 Field Wiring...

Page 90: ...or standing Type 88 M Floor standing Type 1 Features 89 2 Dimensions 90 3 Service Space 91 4 Wiring Diagrams 92 5 Electric Characteristics 94 6 Sound Levels 95 7 Accessories 96 8 The Specification of...

Page 91: ...t touch buttons make the operation easy clear and precise 1 4 Comfortable Air Flow Long distance air supply 3D air distribution Vertical and horizontal louvers auto swing optional 1 5 Fresh Air Option...

Page 92: ...ensions M Floor standing Type 90 2 Dimensions Dimension Model W mm D mm H mm MFM 24HRFN1 QRD0 500 315 1700 MFM 36HRFN1 QRD0 600 455 1934 MFM 48HRFN1 QRD0 600 455 1934 MFM 55ARFN1 RRD0 600 455 1934 H W...

Page 93: ...Service Space M Floor standing Type 91 3 Service Space...

Page 94: ...Wiring Diagrams M Floor standing Type 92 4 Wiring Diagrams MFM 24HRFN1 QRD0 MFM 36HRFN1 QRD0 MFM 48HRFN1 QRD0...

Page 95: ...Wiring Diagrams M Floor standing Type 93 MFM 55ARFN1 RRD0...

Page 96: ...Characteristics Model Indoor Units Power Supply Hz Voltage Min Max MFA MFM 24HRFN1 QRD0 50 220 240V 198V 254V MFM 36HRFN1 QRD0 50 220 240V 198V 254V 10 MFM 48HRFN1 QRD0 50 220 240V 198V 254V 10 MFM 55...

Page 97: ...anding Type 95 6 Sound Levels 1 m 1 m M ic ro p h o n e Model Sound Power Level dB A Noise level dB A H M L MFM 24HRFN1 QRD0 63 49 46 43 MFM 36HRFN1 QRD0 63 48 45 41 MFM 48HRFN1 QRD0 64 53 48 44 MFM 5...

Page 98: ...tion Sleeves 2 6 Seal 1 7 Drain joint 1 8 Pipe hole protection Ring 1 9 Remote Battery 2 10 Remote Controller 1 11 Remote controller manual 1 12 User s manual 1 13 Installation manual 1 14 Remote cont...

Page 99: ...eaker Fuse A 15 10 15 10 15 10 15 10 Outdoor Power Phase 1 phase 3 phase 1 phase 3 phase Frequency and Voltage 220 240V 50Hz 380 415V 50Hz 220 240V 50Hz 380 415V 50Hz Circuit Breaker Fuse A 40 30 25 2...

Page 100: ...Field Wiring M Floor standing Type 98 9 Field Wiring MFM 24HRFN1 QRD0 MFM 36HRFN1 QRD0 MFM 48HRFN1 QRD0...

Page 101: ...Field Wiring M Floor standing Type 99 MFM 55ARFN1 RRD0...

Page 102: ...g Type 1 Features 101 2 Dimensions 102 3 Service Space 103 4 Wiring Diagrams 104 5 Air Velocity and Temperature Distributions Reference Data 105 6 Electric Characteristics 106 7 Sound Levels 107 8 Acc...

Page 103: ...ff the air outlet louver of the unit can be closed manually to prevent the dust falling in 1 3 Simple and bright panel Adopts simple and bright style panel GA series are suitable for most different sp...

Page 104: ...Dimensions GAFloor standing Type 102 2 Dimensions Dimension Mode W mm D mm H mm MFGA 55ARFN1 RRD0 B 610 390 1925...

Page 105: ...Service Space GAFloor standing Type 103 3 Service Space...

Page 106: ...Wiring Diagrams GAFloor standing Type 104 4 Wiring Diagrams MFGA 55ARFN1 RRD0 B...

Page 107: ...Air Velocity and Temperature Distributions Reference Data GAFloor standing Type 105 5 Air Velocity and Temperature Distributions Reference Data Model 55K A irflo w v elo city T em p eratu re...

Page 108: ...lectric Characteristics GAFloor standing Type 106 6 Electric Characteristics Model Indoor Units Power Supply Hz Voltage Min Max MFA MFGA 55ARFN1 RRD0 B 50 380 415V 342V 440V 25 Note MFA Max Fuse Amps...

Page 109: ...Sound Levels GAFloor standing Type 107 7 Sound Levels 1 m 1 m M ic ro p h o n e Model Sound Power Level dB A Noise level dB A H M L MFGA 55ARFN1 RRD0 B 67 59 53 47...

Page 110: ...Self tapping Screw 3 9 25 2 3 Flat Washers 2 4 Bushing Sleeve Cover 1 5 Sound HeatInsulation Sleeves 2 6 Seal 1 7 Drain joint 1 8 Pipe hole protection Ring 1 9 Remote Battery 2 10 Remote Controller 1...

Page 111: ...n of Power Model MFGA 55ARFN1 RRD0 B POWER Phase 3 phase Frequency and Voltage 380 415V 50Hz POWER WIRING mm 2 5 2 5 CIRCUIT BREAKER Fuse A 32 25 Indoor Outdoor Connecting Wiring Weak Electric Signal...

Page 112: ...Field Wiring GAFloor standing Type 110 10 Field Wiring...

Page 113: ...door Units Outdoor Units 111 Part 3 Outdoor Units 1 Dimensions 112 2 Service Space 114 3 Wiring Diagrams 115 4 Piping Diagrams 120 5 Electric Characteristics 121 6 Operation Limits 122 7 Sound Levels...

Page 114: ...Dimensions Outdoor Units 112 1 Dimensions Model KBtu h Unit mm W D H W1 A B 12 16 18 800 333 554 870 514 340 24 845 363 702 914 540 350 30 36 42 946 410 810 1030 673 403 W H W 1 A B D...

Page 115: ...Dimensions Outdoor Units 113 Model KBtu h Unit mm W D H W1 A B 48 55 952 415 1333 1045 634 404...

Page 116: ...Service Space Outdoor Units 114 2 Service Space More than 60cm More than 30cm More than 60cm More than 200cm Air inlet Air inlet More than 30cm Air outlet Wall or obstacle Maintain channel...

Page 117: ...Wiring Diagrams Outdoor Units 115 3 Wiring Diagrams MOB30U 12HFN1 QRD0W MOB30U 16HFN1 QRC8W...

Page 118: ...Wiring Diagrams Outdoor Units 116 MOB30U 18HFN1 QRD0 MOCA30U 24HFN1 QRD0 MOD30U 30HFN1 QRD0...

Page 119: ...Wiring Diagrams Outdoor Units 117 MOD30U 36HFN1 QRD0 MOD30U 42HFN1 QRD0...

Page 120: ...Wiring Diagrams Outdoor Units 118 MOD30U 36HFN1 RRD0 MOD30U 42HFN1 RRD0...

Page 121: ...Wiring Diagrams Outdoor Units 119 MOE30U 48HFN1 QRD0 MOE30U 48HFN1 RRD0 MOE30U 55HFN1 RRD0...

Page 122: ...re is no accumulator MOD30U 30HFN1 QRD0 MOD30U 36HFN1 QRD0 MOD30U 36HFN1 RRD0 MOD30U 42HFN1 QRD0 MOD30U 42HFN1 RRD0 MOE30U 48HFN1 QRD0 MOE30U 48HFN1 RRD0 MOE30U 55HFN1 RRD0 L IQ U ID S ID E G A S S ID...

Page 123: ...240V 198V 254V 20 MOCA30U 24HFN1 QRD0 50 220 240V 198V 254V 20 MOD30U 30HFN1 QRD0 50 220 240V 198V 254V 30 MOD30U 36HFN1 QRD0 50 220 240V 198V 254V 30 MOD30U 36HFN1 RRD0 50 380 415V 342V 440V 20 MOD30...

Page 124: ...used beyond the above conditions certain safety protection features may come into operation and cause the unit to operate abnormally 2 The room relative humidity should be less than 80 If the air con...

Page 125: ...12HFN1 QRD0W 60 57 MOB30U 16HFN1 QRC8W 63 57 MOB30U 18HFN1 QRD0 64 57 MOCA30U 24HFN1 QRD0 65 61 MOD30U 30HFN1 QRD0 66 60 MOD30U 36HFN1 QRD0 66 61 MOD30U 36HFN1 RRD0 67 62 MOD30U 42HFN1 QRD0 71 63 MOD3...

Page 126: ...unit installation 127 4 Outdoor unit installation Side Discharge Unit 148 5 Refrigerant pipe installation 149 6 Drainage pipe installation 153 7 Vacuum Drying and Leakage Checking 157 8 Additional ref...

Page 127: ...Wiring connection and electric safety checking Test operation Refrigerant pipe installation and insulation Drainage pipe installation and insulation Indoor unit installation location selection Outdoor...

Page 128: ...pport the outdoor unit s weight Locate the outdoor unit as close to indoor unit as possible The piping length and height drop can not exceed the allowable value The place where the noise vibration and...

Page 129: ...for indoor unit Model A H 18 205 235 24 42 245 275 48 55 287 317 3 1 2 Bolt pitch 3 1 3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed...

Page 130: ...leveling instrument to make sure the levelness of the main body is within 1 Adjust the position to ensure the gaps between the body and the four sides of ceiling are even The body s lower part should...

Page 131: ...g 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 Tighten the screws under the panel hoo...

Page 132: ...r 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 Th...

Page 133: ...ize of outline dimension mounted lug L M 12 740 350 18 24 960 350 30 1180 490 36 60 1240 500 3 2 3 Install the pendant bolt Select the position of installation hooks according to the hook holes positi...

Page 134: ...hexangular nuts on the four installation hooks evenly to ensure the balance of the body Use a leveling instrument to make sure the levelness of the main body is within 1 3 2 5 Install the air filter...

Page 135: ...hed 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 When install the filter mesh please plug it into flang...

Page 136: ...ing floor indoor unit installation 3 3 1 Service space for indoor unit 3 3 2 Bolt pitch Ceiling installation Capacity KBtu h D E 18 24 983 220 30K 1200 220 36 60 1565 220 Wall mounted installation 3 3...

Page 137: ...ected positions on the ceiling Then embed the expansible hooks fittings Wall mounted installation Install the tapping screws onto the wall Refer to picture below 3 3 4 Install the main body Ceiling in...

Page 138: ...Put the side panels and grilles back 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 suspe...

Page 139: ...n of installation hooks according to the hook holes positions showed in upper picture Drill four holes of 12mm 45 50mm deep at the selected positions on the ceiling Then embed the expansible hooks fit...

Page 140: ...lation hooks evenly to ensure the balance of the body Use a leveling instrument to make sure the levelness of the main body is within 1 Adjust the position to ensure the gaps between the body and the...

Page 141: ...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 wi...

Page 142: ...door unit installation 3 7 7 Service space for indoor unit 3 7 8 Install the main body Fix the hook with tapping screw onto the wall Hang the indoor unit on the hook The bottom of body can touch with...

Page 143: ...t d A place which allows the air filter to be removed downward e A place where the reception range is not exposed to direct sunlight f In the center of the room where possible 3 6 1 1 Please stand the...

Page 144: ...nlet grid before connecting the pipes wires Pull down the two knobs on the grille take off the two screws then the air inlet grille goes free 3 6 2 3 Take the Pipe Clip off before connecting the pipes...

Page 145: ...lows the air filter to be removed downward e A place where the reception range is not exposed to direct sunlight f In the center of the room where possible 3 7 1 1 Please stand the unitin hard and fla...

Page 146: ...e air inlet grid hold both sides of the grid and pull it up let it slant downwards until the loop become straight Then removing the screws fastened the loop with the grid and the grid goes free 3 7 2...

Page 147: ...t pipes and wires after you have finished installing the main body When choosing where to start determine the direction of the pipes to be drawn out Especially in cases where there is a ceiling involv...

Page 148: ...hanging screw bolts with a block Position the indoor unit flat using a level indicator to prevent leaks Note Confirm the minimum drain tilt is 1 100 or more 3 8 4 Duct and accessories installation 1...

Page 149: ...ded to reduce noise if the end user requires 3 8 5 Adjust the air inlet direction From rear side to under side Take off ventilation panel and flange cut off the staples at side rail Change the mountin...

Page 150: ...l when lifting it with a sling Never hold the inlet of the outdoor unit to prevent it from deforming Do not touch the fan with hands or other objects Do not lean it more than 45 and do not lay it side...

Page 151: ...h 30m 20m 24 000Btu h 30 000Btu h 50m 25m 36 000Btu h 60 000Btu h 65m 30m 5 2 The procedure of connecting pipes 5 2 1 Choose the pipe size according to the specification table 5 2 2 Confirm the cross...

Page 152: ...pipe and fix it by supporter For horizontal refrigerant pipe the distance between supporters should not be exceed 1m For vertical refrigerant pipe the distance between supporters should not be exceed...

Page 153: ...18K 18K 30m L L1 L2 24K 24K 50m 30K 30K 50m Max branch pipe length 15m L1 L2 Max branch pipe length difference 10m L1 L2 Drop Height Max height difference between indoor unit and outdoor unit 20m H1 M...

Page 154: ...Refrigerantpipe installation Installation 152...

Page 155: ...er flowrate is decided by the capacity of indoor unit Relationship between water flowrate and capacity of indoor unit Capacity x1000Btu Water flowrate l h 12 2 4 18 4 24 6 30 7 36 8 42 10 48 12 60 14...

Page 156: ...yout should avoid converse flow or bad flow D ra in a g e p ip e W a te r flo w D ra in a g e p ip e D ra in a g e p ip e D ra in te e D ra in te e W a te r flo w W a te r flo w W a te r flo w W a te...

Page 157: ...cture for installation reference F le x ib le p ip e 3 0 0 m m H a n g e r A A L e n g th o f h o riz o n ta l p ip e 1 5 0 m m B L ift h e ig h t th e p u m p h e a d o f w a te r p u m p D o w n in...

Page 158: ...at drainage outlet In light of the length of drainage pipe water shall be discharged about 1 minute delayed 2 3 Stop the operation of air conditioner power off the power supply and put the cover of wa...

Page 159: ...Hg after 1 5 hours of drying check whether there is leakage source 4 Leakage test After the vacuum degree reaches 755mmHg stop vacuum drying and keep the pressure for 1 hour If the indicator of vacuum...

Page 160: ...pipe m Note Refrigerant may only be charged after performed the vacuum drying process Always use gloves and glasses to protect your hands and eyes during the charge work Use electronic scale or fluid...

Page 161: ...t place the layer of insulation should be thicker accordingly 9 1 4 Installation highlights of insulation construction Gas pipe and liquid pipe shall be insulated separately if the gas pipe and liquid...

Page 162: ...d wiring construction should be finished by qualified electrician Air conditioning equipment should be grounded according to the local electrical regulations Current leakage protection switch should b...

Page 163: ...nits The gas side and liquid side stop values are both opened The air conditioner is pre heated by turning on the power 11 3 Test operation Set the air conditioner under the mode of COOLING by remote...

Page 164: ...Electrical Control System Electrical Control System 162 Part 5 Electrical Control System 1 Electrical Control Function 163 2 Troubleshooting 175 3 Controller 212...

Page 165: ...is immediately active The indoor fan opens 7 seconds later If the unit runs in heating mode the indoor fan is also regulated by the anti cold wind function 1 2 4 Fan Speed Malfunction For the console...

Page 166: ...9 Parameter fault 10 L3 Currentlimited 11 L5 Voltage limited 12 Target speed cannotbe metduring the static pressure calculation process For other models If the indoor fan speed is lower than 300 RPM f...

Page 167: ...Auto fan When it fan only mode operates the same as auto fan in cooling mode with the temperature set at 24 a b c d T 1 2 4 e H H L 0 7 5 L H L 0 5 L H L 0 2 5 L L 1 3 2 Cooling Mode 1 3 2 1 Outdoor F...

Page 168: ...cooling mode the indoor fan runs continuously and You can select the following speeds high medium low auto or silent When the compressor is running The indoor fan is regulated as illustrated as in the...

Page 169: ...a lower level 4 T2 7 the compressor maintains its current frequency T2 7 the compressor frequency is not limited 1 3 2 4 High Condenser Coil Temperature Protection 12K 16 60K T 3 In c re a s e s lo w...

Page 170: ...and the anti cold wind function is preferential When the compressor is running The indoor fan is regulated as illustrated as in the following figure Setting fan speed Actual fan speed H H H H H G M M...

Page 171: ...T3 remains at TCDE2 or above for 80 seconds The machine runs for 10 consecutive minutes in defrosting mode 1 3 3 4 High Evaporator Coil Temperature T2 Protection T E s to p T 2 R e s u m e O ff D e c...

Page 172: ...ediately after the timer off function is set When the setting time is reached the timer LED switches ioff and the unit running mode remains unchanged 1 3 6 7 The timer uses relative time not clock tim...

Page 173: ...ormal display Displays running frequency running state or malfunction code 01 Indoor unit capacity demand code Actual data HP 10 If a capacity demand code is higher than 99 the digital display shows s...

Page 174: ...an communicate with outdoor unit General 1 Twins 2 19 Condenser pipe temperature of 1 indoor unit If the temperature is lower than 0 the digital display shows 0 If the temperature is higher than 70 th...

Page 175: ...quency limitcaused by T2 in cooling 2 Frequency limitcaused by T2 in heating 3 Presettemperature reached 4 Frequency limitcaused by T4 5 Defrosting 6 Mode switching 7 High discharge temperature protec...

Page 176: ...sor overcurrentprotection 36 Compressor EE malfunction 37 Compressor start up malfunction 38 311 fan speed has been malfunction 39 Low pressure protection 40 High pressure protection 41 PFC module mal...

Page 177: ...anation on indoor display board A5 A6 Duct 2 1 3 Auto lifting panel of 4 way cassette 2 1 4 Display board of Ceiling floor indoor unit OPERATION TIMER DEF FAN ALARM Temporary button Operation lamp Tim...

Page 178: ...oubleshooting Electrical Control System 176 2 1 5 Icon explanation on indoor display board Compact cassette 2 1 6 Icon explanation on indoor display board Console 2 1 7 Display board of M floor standi...

Page 179: ...Troubleshooting Electrical Control System 177 2 1 8 Display board of GA floor standing...

Page 180: ...Operation Lamp flashes Indoor EEPROM malfunction E0 X 1 Communication malfunction between indoor and outdoor units E1 X 2 Indoor fan speed malfunction E3 X 4 T1 temperature sensor open or shortcircuit...

Page 181: ...1 Communication malfunction between indoor and outdoor units E1 X 2 Indoor fan speed malfunction E3 X 4 T1 temperature sensor open or shortcircuit E4 X 5 T2 temperature sensor open or shortcircuit E5...

Page 182: ...E1 Communication malfunction between indoor and outdoor units F0 Overcurrent protection F1 Ambient temperature sensor T4 malfunction F2 Outdoor heat exchanger temperature sensor T3 malfunction F3 Disc...

Page 183: ...ons Correct the connections No Yes No Replace the sensor Replace the sensor Replace the indoor PCB Replace the indoor PCB Measure the resistance value of the sensor via Appendix 1 Measure the resistan...

Page 184: ...e code Possible causes Wiring mistakes Faulty water level switch Faulty water pump Faulty indoor PCB Is the water level switch inserted properly Is the water level switch inserted properly No Insert t...

Page 185: ...or the screws which fix the fan in place are too tight Find the cause of the problem and resolve it For example the fan may be blocked or the screws which fix the fan in place are too tight Check the...

Page 186: ...ubleshooting Electrical Control System 184 DC motor voltage input and output NO Color Signal Voltage 1 Red Vs Vm 200V 380V 2 3 Black GND 0V 4 White Vcc 13 5 16 5V 5 Yellow Vsp 0 6 5V 6 Blue FG 13 5 16...

Page 187: ...auses T2 sensor error Indoor PCB error Refrigerant system error such as leakage or blockages Is there cool air blowing out from indoor air outlet Yes Yes Check if T2 sensor is well fixed Correct the i...

Page 188: ...tween temperature sensor and PCB Is it properly wired Ensure proper connection No Yes Replace outdoor main PCB Measure the resistance value of the sensor Is it within acceptable parameters Replace the...

Page 189: ...fective F1 Displayed F1 Displayed Up down panel is defective Up down panel is defective Retry Can the panel move up and down normally Retry Can the panel move up and down normally Check the wiring of...

Page 190: ...QE communication wires connection is it wired properly Check the PQE communication wires connection is it wired properly Yes Correct the wire connections Correct the wire connections No One of the 2 i...

Page 191: ...k from EEPROM chip Possible causes Installation mistakes Faulty PCB Yes Replace the outdoor main PCB Replace the outdoor main PCB Power off then restart the unit 2 minutes later Does the malfunction s...

Page 192: ...essor driven chip light Check the signal wire between the compressor driven chip and the compressor Is it connected properly Check the signal wire between the compressor driven chip and the compressor...

Page 193: ...Malfunction Yes Replace the outdoor main PCB Replace the outdoor main PCB Power off then restart the unit 2 minutes later Does a problem still exist Power off then restart the unit 2 minutes later Do...

Page 194: ...l exist Power off then restart the unit 2 minutes later Does a problem still exist No Replace the outdoor main PCB Power on Is the error resolved Replace the outdoor main PCB Power on Is the error res...

Page 195: ...o Yes Yes Remove interference or add magnet ring on power wire Remove interference or add magnet ring on power wire Yes Replace the signal wire Replace the signal wire Yes Pull out and insert back Pul...

Page 196: ...System 194 2 4 4 5 F0 Malfunction Malfunction conditions If the outdoor current exceeds the current limit value the LED displays a failure code Possible causes Wiring mistakes Faulty bridge rectifier...

Page 197: ...bridge rectifier Replace the bridge rectifier No Is the bridge rectifier functioning normally Is the bridge rectifier functioning normally Is the wiring of the reactor or inductance properly wired Is...

Page 198: ...s the wiring of the outdoor ambient temperature sensor T4 not connected properly Is the wiring of the outdoor ambient temperature sensor T4 not connected properly Is the resistance of the outdoor ambi...

Page 199: ...ace the outdoor main PCB Power off then restart the unit 2 minutes later Does a problem still exist Power off then restart the unit 2 minutes later Does a problem still exist Outdoor EEPROM malfunctio...

Page 200: ...s not normal the LED displays P0 and the unit turns off Possible causes Wiring mistakes Faulty IPM board Faulty outdoor fan assemby Compressor malfunction Faulty outdoor PCB First test the resistance...

Page 201: ...iring Reconnect the wiring No Are the reactor or inductance normal Are the reactor or inductance normal Yes Replace reactor or inductance Replace reactor or inductance No Is the connecting wire betwee...

Page 202: ...voltage between L and N is normal Measure whether the voltage between L and N is normal Yes Measure whether input voltage of bridge rectifier is normal Measure whether input voltage of bridge rectifie...

Page 203: ...working order Have T2 and T2B been reversed Is the connection between T2 and The PCB is in working order Have T2 and T2B been reversed Is the resistance of T2 normal according to Appendix 1 Is the re...

Page 204: ...g properly Yes Ensure that the outdoor unit ventilate is functioning properly Ensure that the outdoor unit ventilate is functioning properly Is the heat exchanger dirty Is the heat exchanger dirty No...

Page 205: ...ing diagrams Are the compressor discharge temperature sensor and PCB connected properly according to the wiring diagrams Measure the resistance value of compressor discharge temp sensor If the value i...

Page 206: ...ween main board and the PFC module is connected tightly Check whether the connecting line between main board and the PFC module is connected tightly Yes Measure whether the voltage between P and N is...

Page 207: ...onnected properly Check the signal wire between the Compressor driven chip and the main board is it connected properly Reconnect and retry Is the error still displayed Reconnect and retry Is the error...

Page 208: ...essure protector broken Is the outdoor ambient temperature is higher than 50 Is the outdoor ambient temperature is higher than 50 No Stop the unit Stop the unit Yes Check if the outdoor unit ventilati...

Page 209: ...blem still exist No Replace low pressure protector Replace low pressure protector No Is the low pressure protector broken Is the low pressure protector broken Is the outdoor ambient temperature too lo...

Page 210: ...re whether the voltage between L and N is normal Measure whether the voltage between L and N is normal Yes Measure whether input voltage of bridge rectifier is normal Measure whether input voltage of...

Page 211: ...6 13059 76 1 34105 116 0 40060 3 41 5878 37 5 87359 77 1 29078 117 0 38991 2 39 8239 38 5 62961 78 1 25423 118 0 37956 1 37 1988 39 5 39689 79 1 21330 119 0 36954 0 35 2024 40 5 17519 80 1 17393 120 0...

Page 212: ...2 489 5 234 9 35 35 78 75 8 084 115 2 422 4 222 8 36 34 32 76 7 82 116 2 357 3 211 4 37 32 94 77 7 566 117 2 294 2 200 7 38 31 62 78 7 321 118 2 233 1 190 5 39 30 36 79 7 086 119 2 174 0 180 9 40 29...

Page 213: ...1 Appendix 3 Normal voltage of P and N 208 240V 1 phase 3 phase 380 415V 3 phase In standby around 310VDC around 530VDC In operation With passive PFC module With partial active PFC module With fully a...

Page 214: ...ireless 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 Eff...

Page 215: ...8 FAN SPEED Fan speed will be selected in following sequence once pressing this button 9 TIME ON For time ON setting Once pressing this button the time will increase by 0 5 hour When the set time exce...

Page 216: ...Fan speedsetting SW IN G AIR DIRECT IO N R ese t 13 1 Adjust Decrease the set temperature Keeping pressing will decrease the temp with 1 per 0 5s 2 Adjust Increase the set temperature Keeping pressing...

Page 217: ...gy This function is available on COOL HEAT or AUTO mode only NOTE While the unit is running under Energy saving mode it would be cancelled if press MODE FAN SPEED or ON OFF button 11 TIME OFF For time...

Page 218: ...push this button 5 RESET inner located Once the recessed RESET button is pressed all of the current settings will be cancelled and the controller will return to the initial settings 6 AIR DIRECTION P...

Page 219: ...time exceeds 10 hours pressing the button will increase the time by 1 hour Adjust the figure to 0 00 will cancel time ON setting 13 LOCK inner located Push this button to lock in all the current sett...

Page 220: ...r each press If cancel this function just set it to 0 0 4 Follow me button When under cool heat and auto mode press this button follow me function is active Press again this function is ineffective 5...

Page 221: ...oller 1 Operation mode indication When press MODE button the following mode can be selected in circle Auto Cool Dry Heat Fan only Auto Auto Cool Dry Heat Fan only Auto For cooling only model heat mode...

Page 222: ...lation 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 an infrared emitter whose anod...

Page 223: ...Controller Electrical Control System 221 3 2 2 KJR 120C1 BTF E Name and functions of buttons on the wire controller...

Page 224: ...ress stop swing Match to some model with swing function 7 Follow me button When under cool heat and auto mode press this button follow me function is active Press again this function is ineffective 8...

Page 225: ...D on the wire controller Installation 1 Connect the female joint of wires group from the mainboard with the male joint of connective wires group 2 Please connect the other side of connective wires gro...

Page 226: ...2 places and remove the upper part of the wire controller 4 Fasten the back plate of the wire controller 4 4 For exposed mounting fasten the back plate on the wall with the 3 screws M4 20 and plugs 4...

Page 227: ...f installationsite 4 7 Please set the time corrected on the first time operation Batteries in the wire controller can timing under power failure which ensure the time keep right When the power restore...

Page 228: ...kle the upper case avoid clamping the wiring during installation 3 2 3 Two wired non polarity wired controller KJR 120G Optional 1 Connection For Cassette The wired controller connects to main control...

Page 229: ...ery air conditioner in network has only one network address to distinguish each other Address code of air conditioner in LAN is set by code switch ENC1 Duct and Ceiling Floor or ADSS Cassette of the i...

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