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Midea M2OA-18HRDN1, User Manual

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Midea M2OA-18HRDN1 User Manual Download Page 135

MCAC-HTSM-2007-11 

Refrigerant charge 

Installation 

133 

4. Refrigerant charge 

1). When the length of the one-way pipe is less than 5m, additional refrigerant charge after vacuuming is 
unnecessary.   

2). When the length of one-way pipe is over 5m, the additional charge quantity is as follows (unit in gram): 

Calculation method:   

Refrigerant 

Liquid diameter

（

mm

）

 

Unit amount (g/m) 

Formula 

R410A 

Φ

6.35 

15 

(L-5)

×

15 

 

Remark: 1.  The additional refrigerant charge is simply related with the liquid pipe diameter.     

2, 

In the up formula, 

“

L

”

 means the length of liquid pipe between each indoor unit and outdoor   

 

 

 

unit (unit: m). 

 

 

 

Summary of Contents for M2OA-18HRDN1

Page 1: ...MCAC HTSM 2007 11 Contents Contents i Part 1 General Information 1 Part 2 Indoor Units 11 Part 3 Outdoor Units 86 Part 4 Installation 126 Part 5 Control System 139...

Page 2: ......

Page 3: ...SM 2007 11 General Information General Information 1 Part 1 General Information 1 Model Names of Indoor Outdoor Units 2 2 External Appearance 5 3 Combination of Indoor Units 7 4 Nomenclature 8 5 Featu...

Page 4: ...N1 Width 775 Height 215 Depth 216 8 5 10 220 240V 1ph 50Hz MSHI 12HRIN1 Width 860 Height 220 Depth 240 10 12 220 240V 1ph 50Hz MSV1I 09HRDN1 Width 795 Height 270 Depth 165 10 11 5 220 240V 1ph 50Hz MS...

Page 5: ...203 Depth 375 15 19 220 240V 1ph 50Hz MST2I 12HRIN1 Width 874 Height 203 Depth 375 15 19 220 240V 1ph 50Hz MST2I 18HRIN1 Width 1224 Height 206 Depth 365 18 23 220 240V 1ph 50Hz MSDLI 12HRIN1 Width 99...

Page 6: ...ion mm Net Gross weight kg Power supply M2OA 18HRDN1 Width 940 Height 375 Depth 755 68 72 220 240V 1ph 50Hz M2OB 18HRDN1 Width 940 Height 375 Depth 755 61 65 220 240V 1ph 50Hz M3OA 27HRDN1 Width 940 H...

Page 7: ...External Appearance General Information 5 2 External Appearance Indoor units Four way cassette compact Duct Ceiling and floor Wall mounted Corona Wall mounted Alfa Wall mounted Vertu Wall mounted T6 W...

Page 8: ...External Appearance MCAC HTSM 2007 11 6 General Information Outdoor units M2OA 18HRDN1 M2OB 18HRDN1 M3OA 27HRDN1 M4OA 27HRDN1...

Page 9: ...Nominal Capacity K Btu h one indoor unit two indoor units three indoor units 7 7 7 9 9 12 12 7 7 7 7 9 12 9 7 9 9 12 7 7 9 7 12 12 12 7 12 7 7 12 9 9 9 7 9 9 9 9 12 3 3 M4OA 27HRDN1 Nominal Capacity K...

Page 10: ...frigerant N1 R410A N2 R407C R22 AC Inverter Control Mode R Remote Control Function Code C Cooling Only H Cooling Heating Capacity 1000Btu h Indoor Unit Indoor Type C Corona Type H Alfa Type V1 Vertu T...

Page 11: ...rigerant N1 R410A N2 R407C R22 DC Inverter Control Mode R Remote Control Function Code C Cooling Only H Cooling Heating Capacity 1000Btu h A 1st Design B 2nd Design M2O Universal Outdoor Unit with 1 d...

Page 12: ...ssor the efficiency is high the EER is up to A class l Various styles indoor units More than 20 different models indoor units can be chosen including wall mounted type cassette type duct type ceiling...

Page 13: ...MCAC HTSM 2007 11 Indoor Units Indoor Units 11 Part 2 Indoor Units Wall mounted Type 12 Four way Cassette Type 43 Duct Type 58 Ceiling and Floor Type 73...

Page 14: ...Units Wall mounted Type 1 Features 13 2 Specifications 14 3 Dimensions 19 4 Service Space 25 5 Wiring Diagrams 26 6 Air Velocity and Temperature Distributions 28 7 Electric Characteristics 29 8 Sound...

Page 15: ...ypes for your choice such as Corona type Alfa type Elite type T6 type and Vertu type The different style panels can satisfy your different requirements All the units have various functions such as the...

Page 16: ...b mm 21x13 37 21x13 37 21x13 37 c Fin spacing mm 1 5 1 3 1 3 d Fin type hydrophilic aluminium hydrophilic aluminium hydrophilic aluminium e Tube outside dia and type mm 7 7 7 Inner groove tube Inner g...

Page 17: ...21 13 37 21 13 37 21 13 37 c Fin spacing mm 1 5 1 3 1 3 d Fin type Hydrophilic aluminium Hydrophilic aluminium Hydrophilic aluminium e Tube outside dia and type mm 7 7 7 Inner groove tube Inner groov...

Page 18: ...1X13 37 21X13 37 21X13 37 c Fin spacing mm 1 3 1 3 1 3 d Fin type Hydrophilic aluminium Hydrophilic aluminium Hydrophilic aluminium e Tube outside dia and type mm 7 7 7 Inner groove tube Inner groove...

Page 19: ...be pitch a x row pitch b mm 21 13 37 21 13 37 c Fin spacing mm 1 3 1 3 d Fin type Hydrophilic aluminium Hydrophilic aluminium e Tube outside dia and type mm 7 7 Inner groove tube Inner groove tube f C...

Page 20: ...b mm 21X13 37 21X13 37 21X13 37 c Fin spacing mm 1 3 1 3 1 3 d Fin type Hydrophilic aluminium Hydrophilic aluminium Hydrophilic aluminium e Tube outside dia and type mm 7 Inner groove tube 7 Inner gro...

Page 21: ...MCAC HTSM 2007 11 Wall mounted Type Indoor Units 19 3 Dimensions 3 1 Corona Series a Indoor unit MSCI 07HRIN1 MSCI 09HRIN1 45 20 22...

Page 22: ...Wall mounted Type MCAC HTSM 2007 11 20 Indoor Units l Indoor Unit MSCI 12HRIN1...

Page 23: ...MCAC HTSM 2007 11 Wall mounted Type Indoor Units 21 3 2 Alfa Series Indoor Unit MSHI 07HRIN1 MSHI 09HRIN1 Indoor Unit MSHI 12HRIN1 20 60...

Page 24: ...Wall mounted Type MCAC HTSM 2007 11 22 Indoor Units 3 3 Vertu Series Indoor unit MSV1I 09HRDN1 MSV1I 12HRDN1...

Page 25: ...MCAC HTSM 2007 11 Wall mounted Type Indoor Units 23 Unit mm 3 4 T6 Series Dimension Model W H D MSV1I 09HRDN1 795 270 165 MSV1I 12HRDN1 845 286 165...

Page 26: ...Wall mounted Type MCAC HTSM 2007 11 24 Indoor Units Unit mm Dimension Mode W H D MST6I 07HRIN1 785 205 220 MST6I 09HRIN1 785 205 220 MST6I 12HRIN1 820 220 225...

Page 27: ...MCAC HTSM 2007 11 Wall mounted Type Indoor Units 25 4 Service Space...

Page 28: ...Wall mounted Type MCAC HTSM 2007 11 26 Indoor Units 5 Wiring Diagrams 5 1 MSCI 07HRIN1 MSCI 09HRIN1 MSCI 12HRIN1 MSHI 07HRIN1 MSHI 09HRIN1 MSHI 12HRIN1 5 2 MSV1I 09HRDN1 MSV1I 12HRDN1...

Page 29: ...MCAC HTSM 2007 11 Wall mounted Type Indoor Units 27 5 3 MST6I 07HRIN1 MST6I 09HRIN1 MST6I 12HRIN1...

Page 30: ...Wall mounted Type MCAC HTSM 2007 11 28 Indoor Units 6 Air Velocity and Temperature Distributions Airflow velocity Temperature...

Page 31: ...013 0 15 MSHI 12HRIN1 50 220 240 198 254 0 2125 16 0 02 0 17 MSV1I 09HRDN1 50 220 240 198 254 0 21 16 0 02 0 17 MSV1I 12HRDN1 50 220 240 198 254 0 25 16 0 02 0 17 MSF6I 07HRIN1 50 220 240 198 254 0 1...

Page 32: ...s Model Noise level dB A High speed MSCI 07HRIN1 35 MSCI 09HRIN1 37 MSCI 12HRIN1 39 MSHI 07HRIN1 37 MSHI 09HRIN1 37 MSHI 12HRIN1 38 MSV1I 09HRDN1 39 MSV1I 12HRDN1 39 MST6I 07HRIN1 39 MST6I 09HRIN1 39...

Page 33: ...l control box subassembly 1 19 1 Evaporator back 1 7 1 Electrical control box 1 19 2 Evaporator front 1 7 2 Terminal 1 19 3 Liquid input pipe evaporator subassembly 1 7 3 Transformer 1 19 4 Gas output...

Page 34: ...l box subassembly 1 19 1 Evaporator back 1 7 1 Electrical control box 1 19 2 Evaporator front 1 7 2 Terminal 1 19 3 Liquid input pipe evaporator subassembly 1 7 3 Transformer 1 19 4 Gas output pipe ev...

Page 35: ...input pipe evaporator subassembly 1 8 Electrical control box subassembly 1 16 3 1 Pipe connecter 1 8 1 E part box cover 1 16 4 Gas output pipe evaporator subassembly 1 8 2 E Parts box 1 16 4 1 Pipe c...

Page 36: ...l box subassembly 1 19 1 Evaporator back 1 7 1 Electrical control box 1 19 2 Evaporator front 1 7 2 Terminal 1 19 3 Liquid input pipe evaporator subassembly 1 7 3 Transformer 1 19 4 Gas output pipe ev...

Page 37: ...l box subassembly 1 19 1 Evaporator back 1 7 1 Electrical control box 1 19 2 Evaporator front 1 7 2 Terminal 1 19 3 Liquid input pipe evaporator subassembly 1 7 3 Transformer 1 19 4 Gas output pipe ev...

Page 38: ...e evaporator subassembly 1 8 Electrical control box subassembly 1 16 3 1 Pipe connecter 1 8 1 E part box cover 1 16 4 Gas output pipe evaporator subassembly 1 8 2 E Parts box 1 16 4 1 Pipe connecter 1...

Page 39: ...mer 1 5 A synchronism motor 1 11 4 Room Temperature Sensor Ass y subassembly 1 6 Evaporator assembly 1 11 5 Evaporator temp sensor subassembly 1 6 1 Copper nut GLM C03 1 11 6 Auto restart control boar...

Page 40: ...tart control board subassembly 1 5 A synchronism motor 1 11 4 Room Temperature Sensor Ass y subassembly 1 6 Evaporator assembly 1 11 5 Evaporator temp sensor subassembly 1 6 1 Copper nut GLM C03 1 11...

Page 41: ...l box subassembly 1 19 1 Evaporator back 1 7 1 Electrical control box 1 19 2 Evaporator front 1 7 2 Terminal 1 19 3 Liquid input pipe evaporator subassembly 1 7 3 Transformer 1 19 4 Gas output pipe ev...

Page 42: ...l box subassembly 1 19 1 Evaporator back 1 7 1 Electrical control box 1 19 2 Evaporator front 1 7 2 Terminal 1 19 3 Liquid input pipe evaporator subassembly 1 7 3 Transformer 1 19 4 Gas output pipe ev...

Page 43: ...e evaporator subassembly 1 8 Electrical control box subassembly 1 16 3 1 Pipe connecter 1 8 1 E part box cover 1 16 4 Gas output pipe evaporator subassembly 1 8 2 E Parts box 1 16 4 1 Pipe connecter 1...

Page 44: ...07 11 42 Indoor Units 10 Accessories Number 1 2 3 4 5 6 Installation plate Self tapping screw ST3 9 25 Connection Pipe Ass Liquid side Gas side Remote controller Remote controller holder 6 35 9 53 12...

Page 45: ...3 Four way Cassette Type 1 Features 44 2 Specifications 45 3 Dimensions 47 4 Service Space unit mm 48 5 Wiring Diagrams 49 6 Air Velocity and Temperature Distributions 50 7 Electric Characteristics 51...

Page 46: ...ate ensures quietness Creates natural and comfortable environment 2 Efficient cooling Equal fast and wide range cooling 3 The adoption of the most advanced 3 Dimensional Screw fan Reduces the air resi...

Page 47: ...rows 1 1 b Tube pitch a x row pitch b mm 21 x 13 37 21 x 13 37 c Fin spacing mm 1 4 1 4 d Fin type Hydrophilic aluminium Hydrophilic aluminium e Tube outside dia and type mm 7 7 Inner groove tube Inne...

Page 48: ...b Tube pitch a x row pitch b mm 21 x 13 37 21 x 26 74 c Fin spacing mm 1 4 1 4 d Fin type Hydrophilic aluminium Hydrophilic aluminium e Tube outside dia and type mm 7 7 Inner groove tube Inner groove...

Page 49: ...Dimensions Indoor unit 7000Btu h 9000Btu h 12000Btu h 18000Btu h 580 Body 67 600 Ceiling hole 650 Panel 401 Hook location 611 Hook location 580 Body 422 28 5 600 Ceiling hole 650 Panel Drain side and...

Page 50: ...Four way Cassette Type MCAC HTSM 2007 11 48 Indoor Units 4 Service Space unit mm...

Page 51: ...MCAC HTSM 2007 11 Four way Cassette Type Indoor Units 49 5 Wiring Diagrams MSQ4I 07HRDN1 MSQ4I 09HRDN1 MSQ4I 12HRDN1 MSQ4I 18HRIN1...

Page 52: ...Four way Cassette Type MCAC HTSM 2007 11 50 Indoor Units 6 Air Velocity and Temperature Distributions Reference Data Discharge angle 60 Airflowvelocity Temperature...

Page 53: ...MFA kW FLA MSQ4I 07HRDN1 50 220 240 198 254 0 36 16 0 063 0 29 MSQ4I 09HRDN1 50 220 240 198 254 0 36 16 0 063 0 29 MSQ4I 12HRDN1 50 220 240 198 254 0 36 16 0 063 0 29 MSQ4I 18HRIN1 50 220 240 198 254...

Page 54: ...ay Cassette Type MCAC HTSM 2007 11 52 Indoor Units 8 Sound Levels 1 0m FOUR WAY CASSETTE TYPE Microphone Model Noise level dB A High speed MSQ4I 07HRDN1 36 MSQ4I 09HRDN1 36 MSQ4I 12HRDN1 36 MSQ4I 18HR...

Page 55: ...ronic control box 1 5 copper nut 1 19 fan motor underlay 1 6 gas output pipe evaporator subassembly 1 20 electronic control box 1 7 copper nut 1 20 1 fan motor capacitor 1 8 drain pipe 1 20 2 power tr...

Page 56: ...ntrol box 1 5 copper nut 1 19 fan motor underlay 1 6 gas output pipe evaporator subassembly 1 20 electronic control box 1 7 copper nut 1 20 1 fan motor capacitor 1 8 drain pipe 1 20 2 power transforme...

Page 57: ...ic control box 1 5 copper nut 1 19 fan motor underlay 1 6 gas output pipe evaporator subassembly 1 20 electronic control box 1 7 copper nut 1 20 1 capacitor 1 8 drain pipe 1 20 2 power transformer 1 9...

Page 58: ...lapboard right assembly 1 5 Fan motor 1 15 clapboard left 1 6 Fan Motor Underlay 1 16 Evaporator Fixture Board Ass y 1 7 Chassis 1 17 Evaporator assembly 1 8 Wire crossing board 1 17 1 input pipe of e...

Page 59: ...MCAC HTSM 2007 11 Four way Cassette Type Indoor Units 57 10 Accessories...

Page 60: ...uct Type 1 Features 59 2 Specifications 60 3 Dimension 62 4 Service Space 63 5 Wiring Diagrams 64 6 Air Velocity and Temperature Distributions Reference Data 65 7 Electric Characteristics 66 8 Sound L...

Page 61: ...7 11 Duct Type Indoor Units 59 1 Features n All plastic body small weight and anti corrosion n Low operation noise n Adopt cross fan n Compact structure space saving n Adopt 4 bend evaporator with hig...

Page 62: ...x 13 37 c Fin spacing mm 1 5 1 5 d Fin type Hydrophilic aluminium Hydrophilic aluminium e Tube outside dia and type mm 7 7 Inner groove tube Inner groove tube f Coil length x height x width mm 718X35...

Page 63: ...Fin spacing mm 1 5 1 5 d Fin type Hydrophilic aluminium Hydrophilic aluminium e Tube outside dia and type mm 7 7 Inner groove tube Inner groove tube f Coil length x height x width mm 718X350X26 74 101...

Page 64: ...rant pipe Gas Side 9 0 Liquid Side 9 53 Drain port 25 2 68 148 100 100 Fresh air inlet 250m m 500mm 500mm 203 20 3 874 674 829 874 375 375 Indoor unit 18000Btu h Refrigerant pipe 25 102 87 Air Outlet...

Page 65: ...MCAC HTSM 2007 11 Duct Type Indoor Units 63 4 Service Space...

Page 66: ...Duct Type MCAC HTSM 2007 11 64 Indoor Units 5 Wiring Diagrams MST2I 07HRIN1 MST2I 09HRIN1 MST2I 12HRIN1 MST2I 18HRIN1...

Page 67: ...MCAC HTSM 2007 11 Duct Type Indoor Units 65 6 Air Velocity and Temperature Distributions Reference Data Discharge angle 60 Airflow velocity Temperature...

Page 68: ...MFA kW FLA MST2I 07HRIN1 50 220 240 198 254 0 2125 16 0 02 0 17 MST2I 09HRIN1 50 220 240 198 254 0 2125 16 0 02 0 17 MST2I 12HRIN1 50 220 240 198 254 0 2125 16 0 02 0 17 MST2I 18HRIN1 50 220 240 198 2...

Page 69: ...2007 11 Duct Type Indoor Units 67 8 Sound Levels D u ct C O N C E A LE D D U C T TY P E M ic rophone 1 0m Model Noise level dB A High speed MST2I 07HRIN1 39 MST2I 09HRIN1 39 MST2I 12HRIN1 39 MST2I 18...

Page 70: ...20 bracket wind inlet case 2 6 liquid input pipe evaporator subassembly 1 21 bracket 2 wind outlet case 1 6 1 copper nut 1 22 bearing base 1 7 electronic control box assembly 1 23 cross flow fan 1 7 1...

Page 71: ...bracket wind inlet case 2 6 liquid input pipe evaporator subassembly 1 21 bracket 2 wind outlet case 1 6 1 copper nut 1 22 bearing base 1 7 electronic control box assembly 1 23 cross flow fan 1 7 1 el...

Page 72: ...bracket wind inlet case 2 6 liquid input pipe evaporator subassembly 1 21 bracket 2 wind outlet case 1 6 1 copper nut 1 22 bearing base 1 7 electronic control box assembly 1 23 cross flow fan 1 7 1 el...

Page 73: ...scroll subassembly 1 5 1 copper nut 1 20 cross flow fan 1 6 protection cover drip tray 1 21 bearing base 1 7 electronic control box assembly 1 22 left bracket evaporator 1 7 1 electric control box sub...

Page 74: ...3 Big washer 8 Overhang indoor unit 4 Constriction bandage 10 Binding insulation pipe 5 Water outlet joint for cool heat type only 1 Outdoor unit drainage 6 Gasket for cool heat type only 1 Outdoor u...

Page 75: ...ts 73 Ceiling and Floor Type 1 Features 74 2 Specification 75 3 Dimensions 76 4 Service Space 77 5 Wiring Diagrams 78 6 Air Velocity and Temperature Distributions 79 7 Electric Characteristics 81 8 So...

Page 76: ...ngle air flow Air flow directional control minimizes the air resistance and produces wilder air flow to vertical direction The range of horizontal air discharge is widened which secures wider air flow...

Page 77: ...2 2 b Tube pitch a x row pitch b mm 25 4 x 22 25 4 x 22 c Fin spacing mm 1 8 1 8 d Fin type Hydrophilic aluminium Hydrophilic aluminium e Tube outside dia and type mm 9 53 9 53 Inner groove tube Inne...

Page 78: ...Ceiling and Floor Type MCAC HTSM 2007 11 76 Indoor Units 3 Dimensions MSDLI 12HRIN1 MSDLI 18HRIN1 Unit mm Dimension Mode A B C MSDLI 12HRIN1 990 660 206 MSDLI 18HRIN1 990 660 206...

Page 79: ...MCAC HTSM 2007 11 Ceiling and Floor Type Indoor Units 77 4 Service Space Ceiling type installation 600mm 600mm...

Page 80: ...Ceiling and Floor Type MCAC HTSM 2007 11 78 Indoor Units 5 Wiring Diagrams MSDLI 12HRIN1 MSDLI 18HRIN1...

Page 81: ...MCAC HTSM 2007 11 Ceiling and Floor Type Indoor Units 79 6 Air Velocity and Temperature Distributions Discharge angle 60 CEILING Airflow velocity Temperature...

Page 82: ...Ceiling and Floor Type MCAC HTSM 2007 11 80 Indoor Units Discharge angle 60 FLOOR Airflow velocity Temperature...

Page 83: ...del Units Power Supply IFM Hz Voltage Min Max MCA MFA kW FLA MSDL 12HRDN1 50 220 240 198 254 0 18 16 0 034 0 145 MSDL 18HRDN1 50 220 240 198 254 0 18 16 0 034 0 145 Remark MCA Min Current Amps A MFA M...

Page 84: ...Ceiling and Floor Type MCAC HTSM 2007 11 82 Indoor Units 8 Sound Levels Ceiling Floor Model Noise level dB A High speed MSDLI 12HRIN1 39 MSDLI 18HRIN1 41...

Page 85: ...Left fixing board Evaporator 1 8 Plastic cover 1 28 air outlet subassembly 1 9 Right fixing board of Evaporator 1 29 Panel assembly 1 10 Left fixing board of Evaporator subassembly 1 30 Grille strip 2...

Page 86: ...27 Left fixing board of Evaporator 1 8 Plastic cover 1 28 air outlet subassembly 1 9 Right fixing board Evaporator 1 29 Panel assembly 1 10 Left fixing board of Evaporator subassembly 1 30 Grille stri...

Page 87: ...e Qty Outline Usage 1 Owner s manual 1 2 Installation manual 1 This manual 3 Hook 2 For wall mounting installation 4 Hanging arm 2 For ceiling installation Remote controller Its Frame l Remote control...

Page 88: ...tures 87 2 Specifications 88 3 Dimensions 91 4 Service Space 92 5 Piping Diagrams 93 6 Wiring Diagrams 94 7 Combination capacity table 96 8 Field Wiring 99 9 Electric Characteristics 100 10 Operation...

Page 89: ...s machine only Can guarantee to construct the external appearance more simple and direct and the gearing space need is small don t affect the room to adopt the light 1 2Compressor start steady the sta...

Page 90: ...DK53 6M Brand Welling Welling Input W 143 143 Capacitor uF 3 3 Speed r min 780 780 Outdoor coil Number of rows 1 1 Tube pitch a x row pitch b mm 25 4 22 25 4 22 Fin spacing mm 1 7 1 7 Fin type Hydroph...

Page 91: ...peed r min 780 Outdoor coil Number of rows 2 Tube pitch a x row pitch b mm 25 4 22 Fin spacing mm 1 7 Fin type Hydrophilic aluminium Tube outside dia and type mm 9 53 inner groove tube Coil length x h...

Page 92: ...70 Outdoor fan motor Model YDK53 6Z Brand Welling Input W 141 5 92 Capacitor uF 3 Speed Hi Lo r min 815 550 Outdoor coil Number of rows 1 Tube pitch a x row pitch b mm 25 4X22 Fin spacing mm 1 5 Fin t...

Page 93: ...91 3 Dimensions M2OA 18HRDN1 M2OB 18HRDN1 M3OA 27HRDN1 M4OA 27HRDN1 Unit mm MODEL A B C D E H M2OA 18HRDN1 845 560 335 355 315 695 M2OB 18HRDN1 845 560 335 355 315 695 M3OA 27HRDN1 845 560 335 355 31...

Page 94: ...Service Space MCAC HTSM 2007 11 92 Outdoor Units 4 Service Space...

Page 95: ...quid valve A Gas valve C EXV C 4 way valve Compressor Condenser Axial flow fan EXV B EXV A Gas valve A Gas valve B Liquid valve C Liquid valve B Evaporator Cross flow fan Indoor Unit Capillary A Capil...

Page 96: ...Wiring Diagrams MCAC HTSM 2007 11 94 Outdoor Units 6 Wiring Diagrams M2OA 18HRDN1 M3OA 27HRDN1 M2OB 18HRDN1...

Page 97: ...MCAC HTSM 2007 11 Wiring Diagrams Outdoor Units 95 M4OA 27HRDN1...

Page 98: ...62 10 17 0 89 2 36 3 16 3 23 A 7k 9k 9k 2 04 2 62 3 49 3 10 8 15 10 11 0 87 2 53 3 42 3 22 A 7k 9k 12k 2 05 2 64 2 64 2 42 7 33 9 82 0 78 2 27 3 06 3 23 A 7k 12k 12k 1 84 3 16 3 16 2 77 8 15 10 60 0 9...

Page 99: ...2 60 3 50 3 14 B Heating Comb Combinations Rated capacity kW Nom heating total heating capacity kW total power input kW COP W W ENERGY LABEL Unit A Unit B Unit C Unit D Unit A Unit B Unit C Unit D mi...

Page 100: ...2 84 8 45 11 40 0 83 2 27 3 09 3 73 A 7k 9k 12k 2 21 2 73 3 51 2 88 8 45 12 09 0 75 2 30 3 07 3 67 A 7k 9k 18k 2 44 3 01 3 01 3 35 8 45 12 11 0 80 2 34 3 22 3 61 A 7k 12k 12k 2 02 3 22 3 22 2 95 8 45...

Page 101: ...MCAC HTSM 2007 11 Field Wiring Outdoor Units 99 8 Field Wiring...

Page 102: ...20 240 198 254 6 16 25 0 053 0 676 M2OB 18HRDN1 50 220 240 198 254 6 15 4 21 0 053 0 676 M3OA 27HRDN1 50 220 240 198 254 6 16 25 0 053 0 676 M4OA 27HRDN1 50 220 240 220 254 15 3 20 0 053 0 67 Remark M...

Page 103: ...MCAC HTSM 2007 11 Operation Limits Outdoor Units 101 10 Operation Limits For M2OA 18HRDN1 M2OB 18HRDN1 M3OA 27HRDN1 Ambient emp C Heating STD 30 24 17 21 7 6 Indoor temp C...

Page 104: ...Outdoor temperature WB Heating Cooling 40 35 30 25 20 15 10 5 0 5 15 10 17 31 38 30 25 20 15 10 7 5 0 5 10 15 21 Outdoor temperature DB Indoor temperature WB 5 Range for continuous operation Range fo...

Page 105: ...MCAC HTSM 2007 11 Sound Levels Outdoor Units 103 11 Sound Levels Model Noise level dB A M2OA 18HRDN1 58 5 M2OB 18HRDN1 53 M3OA 27HRDN1 59 5 M4OA 27HRDN1 60 5 Microphone Outdoor unit 1 5 m 1 0 m...

Page 106: ...ame 1 9 5 Power control board subassembly 1 19 Front panel 1 9 6 Capacitor compressor 1 17 Axial flow fan 1 9 7 E parts installation box 1 18 Net for air out frame 1 9 8 Lend support to function trans...

Page 107: ...nut 2 21 compressor SANYO 1 5 4 way valve subassembly 1 21 1 electric heater band 1 5 1 4 way valve 1 22 motor bracket subassembly 1 5 2 4 way valve solenoid 2 23 Fan motor 1 5 3 low valve 2 24 left b...

Page 108: ...lve 2 10 1 Cover for E box 1 16 Front right clapboard assembly 1 10 2 Wire joint 1 17 Fan motor 1 10 3 Electrical engineering electric capacity 1 18 Axial flow fan 1 10 4 Clip capacitor 1 19 Net for a...

Page 109: ...ve Solenoid 1 7 front right clapboard assembly 1 24 3 liquid valve 1 8 base pan assembly 1 25 liquid valve subassembly C 1 9 inductance box 1 25 1 electronic expansion valve 1 10 reactance filter 1 25...

Page 110: ...rror E3 Fan speed beyond control E5 Outdoor units temp sensor or connector of temp sensor is defective E6 Indoor units temp sensor or connector of temp sensor is defective P0 Inverter module protectio...

Page 111: ...oor unit Is the connection of L N S and GND good Is the GND connection on outdoor PCB good NO NO Reconnect and retest again Is the LED4 red on indoor display board bright and LED1 yellow blinking Repl...

Page 112: ...tor connector and connection good Repair the connector and reconnect Is voltage being applied to the fan motor rang 90v 160v between mid pin and N on CN1 NO YES Indoor PCB is defective Replace the ind...

Page 113: ...sor or connector of temp sensor is defective Is the indoor temperature and evaporator sensor connector and connection good Repair the connector and reconnect Replace the sensor and check if E6 display...

Page 114: ...normal when using the units NO YES Replace the outdoor E box Revise the power and retest Is voltage normal NO YES Is all connection good NO Revise the power and retest YES Is the wiring to compressor...

Page 115: ...se refer to the outdoor trouble shooting YES Does compressor operate Is the connection good Is refrigerant circulation volume normal NO NO Charge refrigerant Is abnormality the same after gas charging...

Page 116: ...mp sensor is defective E5 Compressor voltage protection E6 No 4 Indoor units pipe temp Sensor or connector of pipe temp sensor is defective E7 Communication malfunction between outdoor IC and DSP P0 C...

Page 117: ...1 Indoor units pipe temp Sensor or connector of pipe temp sensor is defective No E1 indoor unit Change main board Replace the sensor Is connection to connector of pipe temp Sensor good Check the resi...

Page 118: ...pipe temp sensor is defective No No Change main board Replace the sensor Is connection to connector of pipe temp Sensor good Check the resistance of the temp Sensor according to Annex 1 Repair connec...

Page 119: ...r of temp sensor is defective No E4 Change main board Replace the sensor Is connection to connector of Outdoor temp Sensor good Check the resistance of the temp Sensor according to Annex 1 Repair conn...

Page 120: ...function or Protection E6 No 4 Indoor units pipe temp Sensor or connector of pipe temp sensor is defective Check the resistance of the temp Sensor according to Annex 1 E3 indoor unit Change main board...

Page 121: ...o No Yes Yes No Yes Is the Compressor discharge temp more than 115 C Is the wiring connection is right between Compressor discharge temp sensor and PCB according to Wiring diagrams Is the resistance o...

Page 122: ...or not Error disappear High pressure range during unit operating is correct Drop redundant refrigerant The wire between pressure switch and main board works well Pressures switch work well Replace it...

Page 123: ...board works well Pressures switch work well Replace wire Error disappear Replace pressure switch Error disappear Low pressure range during unit operating is correct High low pressure stop valve opened...

Page 124: ...rotection No No Yes Yes No Check the resistance of compressor normally U and V is 1 ohm U and W is 1 ohm V and W is 1ohm The compressor is defective Check the refrigerant circulation volume and pressu...

Page 125: ...240V Is the wires to compressor right Unplug the wiring to compressor then restart whether display the P4 again Check compressor Turn on the unit in cooling or heating in different season use a frequ...

Page 126: ...s and the compressor has stopped for more than 1 hour or the outdoor temp is higher than 5 C for more than 10 minutes the unit will be started again No No Yes No Is the Condenser high temp more than 6...

Page 127: ...is likely owing to the lack of refrigerant air leakage or system blockade Check the above items respectively to solve the problem 4 Condenser high temperature protection owes to the overcharge of refr...

Page 128: ...7 11 126 Installation Part 4 Installation 1 Installation and operation instructions 127 2 Precaution on Installation 129 3 Vacuum dry and leakage checking 131 4 Refrigerant charge 133 5 Water drainage...

Page 129: ...and this unit is specially designed that unit can work even though required total capacity of indoor units exceeds nominal value Under this condition actual output capacity of single indoor unit may b...

Page 130: ...2 18 9 12 12 7 7 7 7 7 7 9 9 9 9 9 9 9 7 9 9 12 18 18 7 7 9 7 9 12 9 9 9 9 12 18 7 7 7 9 7 7 9 12 9 9 9 12 12 7 12 9 18 7 7 12 7 9 18 9 9 12 12 12 12 7 7 7 12 7 9 9 9 7 7 12 12 18 7 18 12 12 7 7 18 7...

Page 131: ...860N cm 990 12106kgf cm b The stop valve of the outdoor unit should be closed absolutely as original state Every time you connect it first loosen the nuts at the part of stop valve then connect the fl...

Page 132: ...30 Installation 5 Be sure of no leakage by checking it with leak detector or soap water 6 Cover the joint of the connecting pipe to the indoor unit with the soundproof insulating sheath fittings and b...

Page 133: ...erent construction environment common vacuum dry special vacuum dry Common vacuum dry procedure l Vacuum dry for the first time connect the all purpose detector to the inlet of liquid pipe and gas pip...

Page 134: ...destroy for the second time Fill nitrogen to 0 5Kgf cm2 Because nitrogen is for drying gas it has vacuum drying effect during vacuum destroy But if the moisture is too much this method can t dry thoro...

Page 135: ...When the length of one way pipe is over 5m the additional charge quantity is as follows unit in gram Calculation method Refrigerant Liquid diameter mm Unit amount g m Formula R410A 6 35 15 L 5 15 Rem...

Page 136: ...led before installing indoor unit After powering on there is some water in water receiver plate Please check if the drain pump can operate correctly All connection should be firm Wipe color on PVC pip...

Page 137: ...t the diameter Calculate allowed volume Total cooling capacity of indoor units HP 2 l hr Allowed volume lean 1 100 l hr I D mm Thick Hard PVC 14 25 3 0 Hard PVC 14 88 30 3 5 Hard PVC 88 334 40 4 0 Har...

Page 138: ...ck 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 l Keep on pour...

Page 139: ...20 32 6mm 6 2 Refrigerant pipe insulation 1 Work Procedure Before laying the pipes the non jointing parts and non connection parts should be heat insulated When the gas proof test is eligible the joi...

Page 140: ...ndoor unit and outdoor unit are installed properly Tubing and wiring are correctly completed The refrigerant pipe system is leakage checked The drainage is unimpeded The ground wiring is connected cor...

Page 141: ...MCAC HTSM 2007 11 Control System Control System 139 Part 5 Control System 1 Control function 140 2 Control device 149...

Page 142: ...ly or when the warm air control feature is activated in heating mode 1 1 2 4 TEMPERATURE indicator a Usually it displays the temperature settings When change the setting temperature this indicator beg...

Page 143: ...r unit number last protection error code capacity demand cycle Explanation for the some display content 1 1 4 1Running mode Display Corresponding mode 0 Off 1 Cooling mode 2 Heating mode 1 1 4 2Fan st...

Page 144: ...0 45 39 4 5 70 20 12 45 50 40 5 71 20 5 13 50 55 41 5 5 72 21 14 55 60 42 6 73 21 5 15 60 65 43 6 5 74 22 16 65 70 44 7 75 22 5 45 7 5 75 22 5 46 8 76 23 47 8 5 77 23 5 48 9 78 24 49 9 5 79 24 5 1 1 4...

Page 145: ...eturn to normal operation automatically 1 1 5 8 Cross Zero signal error warning If there is no Cross Zero signals in 4 minutes the unit stops and LED displays failure information and can t return to n...

Page 146: ...e Indoor Fan can be set at HIGH MID LOW AUTO by using a remote controller but Anti cold wind function prevails Anti cold wind control function at heating mode Condition T Indoor exchanger temp Indoor...

Page 147: ...the A C operates with a set temp of 24 C 1 1 13 Timer Function 1 1 13 1 The maximum length of timer is 24 hours and the minimum resolving power is 15 minutes 1 1 13 2 Timer on first turn off the A C...

Page 148: ...No No No No No mode conflict Yes Mode conflict 1 1 16 2 Unit action l In case of one Indoor unit working in cooling mode or fan mode and another indoor unit is set to heating mode the indoor unit work...

Page 149: ...t protection O bright X extinguished blink 1 1 18 3 Indoor unit error code explanation cassette duct ceiling and floor Operation Timer De frost Alarm State X X X Indoor room temp sensor open or short...

Page 150: ...sor or connector of pipe temp sensor is defective E3 No 3 Indoor units pipe temp sensor or connector of pipe temp sensor is defective E4 Outdoor units temp sensor or connector of temp sensor is defect...

Page 151: ...inafter types MSCI 07HRIN1 MSCI 09HRIN1 MSCI 12HRIN1 MSHI 07HRIN1 MSHI 09HRIN1 MSHI 12HRIN1 MST6I 07HRIN1 MST6I 09HRIN1 MST6I 12HRIN1 The below is R71A E remote controller Model R71A E Rated voltage 3...

Page 152: ...Control device MCAC HTSM 2007 11 150 Control System...

Page 153: ...MCAC HTSM 2007 11 Control device Control System 151...

Page 154: ...R51I4 BGCE for hereinafter type MSV1I 09HRDN1 MSV1I 12HRDN1 The below is R51I4BGE R51I4 BGCE remote controller Model R51I4BGE R51I4 BGCE Rated voltage 3 0V Dry batteries R03 LR03 2 Lowest voltage of...

Page 155: ...MCAC HTSM 2007 11 Control device Control System 153...

Page 156: ...154 Control System 2 1 3 R11HG E There s one model R11HG E for hereinafter type MSQ4I 07HRDN1 MSQ4I 09HRDN1 MSQ4I 12HRDN1 MSQ4I 18HRIN1 MST2I 07HRIN1 MST2I 09HRIN1 MST2I 12HRIN1 MST2I 18HRIN1 The bel...

Page 157: ...MCAC HTSM 2007 11 Control device Control System 155...

Page 158: ...Control device MCAC HTSM 2007 11 156 Control System...

Page 159: ...one model R05 BG E for hereinafter type MSDLI 12HRIN1 MSDLI 12HRIN1 The below is R05 BG E remote controller Model R05 BGE Rated voltage 3 0V 2pieces of LR03 7 batteries Min voltage for sending signal...

Page 160: ...ed Fan can be adjusted by the dial switch Sw1 in the main panel of wire controller which is shown as follows 1 ON 2 ON 1 ON 2 OFF 1 OFF 2 ON 1 OFF 2 OFF Mid speed Fan cooling heating Mid speed Fan coo...

Page 161: ...t Connect sketch to indoor unit For wire controller just connect to indoor units with five terminals of A B C D E FUNCTION SUMMARIZE The wire controller has functions as follows 1 Connect with indoor...

Page 162: ...the condition of resetting ON OFF button Push the button at the condition of OFF the OPERATION lamp lights as the wire controller enters into ON operation simultaneously sends the information of opera...

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