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Lennox MWMA009S4-*L, Руководство по обслуживанию

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16.2.  Indoor Unit Connection Points for Centralized Controller

Mini-split indoor units can be connected to a centralized controller (e.g. Lennox VRF Manager - LVM or Trane Tracer) or a 

BACnet or Lonworks gateway using the XYE terminals on the indoor unit main board.

To CCM

Comm.Bus

X

Y

(E)

Y/G

Indoor Unit Connection Points

Typical Wiring Diagram

Indoor Unit Connection Points

Typical

Figure 60.  Connection Points

17.  Indoor Unit Connection Points for ON/OFF Device

Mini-split indoor units can be connected to an external device such as a fire alarm system using two dry contacts on the 

indoor unit main board. These dry contacts allow the external device to turn the indoor unit on or off.

Figure 61.  Indoor Unit Connection Points (Typical)

Содержание MWMA009S4-*L

Страница 1: ...edes 10 2016 WARNING Improper installation adjustment alteration service or maintenance can cause property damage personal injury or loss of life Installation and service must be performed by a licensed professional HVAC installer or equivalent or service agency ...

Страница 2: ...3A and M33B Cassette Non Ducted Indoor Units 19 2 1 Model Number Identification 19 2 2 M22A Indoor Unit Specifications 19 2 3 M33A and M33B Indoor Unit Specifications 20 2 4 M22A Indoor Unit Dimensions 21 2 5 M33A and M33B Indoor Unit Dimensions 22 2 6 M22A M33A and M33B Indoor Unit Clearances 23 3 MMDA Ducted Indoor Units 24 3 1 Model Number Identification 24 3 2 Indoor Unit Specifications 24 3 3...

Страница 3: ...B Multi Zone 62 11 4 MLA Multi Zone 66 12 Indoor Unit Diagrams 68 12 1 MWMA and MWMB Indoor Unit 68 12 2 M22A Indoor Unit 68 12 3 M33A and M33B Indoor Unit 69 12 4 MMDA Indoor Units 70 12 5 MCFA and MCFB Indoor Units 72 13 Control Board Photos 75 14 Condensate Pipe Work Installation 77 14 1 Outdoor Unit Condensate Piping 77 14 2 Indoor Unit Gravity Drain 78 14 3 Indoor Unit Lift Pump 79 15 Control...

Страница 4: ...ooting Indoor Unit Error Codes 128 26 Temperature Sensor Resistance Values 152 27 Discharge Temperature Sensor Resistance Values 153 28 Temperature Sensor Identification Table 154 29 Component Troubleshooting 154 29 1 Compressor Check 154 29 2 IPM Check 155 29 3 AC Fan Motor 156 29 4 Four Way Valve 157 29 5 EXV Check 158 30 Component Protection 159 30 1 Fan Motor 159 30 2 Inverter Module Protectio...

Страница 5: ...ng Efficiency S Standard Efficiency Major Design Sequence A 1st Generation B 2nd Generation Nominal Cooling Capacity 009 0 75 tons 012 1 tons 018 1 5 tons 024 2 tons 030 2 5 tons 036 3 tons 048 4 tons Refrigerant Type 4 R 410A Refrigerant Circuits S Single Circuit M Multiple Circuits Minor Design Sequence 1 1st Revision Voltage L 115V 1 phase 60hz P 208 230V 1 phase 60hz ...

Страница 6: ... in level of indoor unit ft 40 40 66 Outdoor Fan No Diameter in 1 16 5 1 16 5 1 18 Total air volume cfm 115V 1180 1180 Total air volume cfm 208 230V 1120 1180 1470 rpm 115V 850 850 rpm 208 230V 800 800 800 Outdoor Coil Number of rows 2 2 3 Fins per inch 21 21 18 Fin type Hydrophilic aluminium Tube outside diameter in 1 4 1 4 1 4 Tube type Rifled copper tubing Net face area ft 2 4 72 4 72 5 42 Desi...

Страница 7: ...difference in level of indoor unit ft 82 82 98 98 Outdoor Fan No Diameter in 1 22 1 22 1 22 2 20 Total air volume cfm 2355 2530 2940 4240 rpm 850 750 700 950 800 750 950 860 Outdoor Coil Number of rows 2 6 2 6 2 6 2 Fins per inch 18 16 14 16 Fin type Hydrophilic aluminium Tube outside diameter in 1 4 1 4 3 8 5 16 Tube type Rifled copper tubing Net face area ft 2 8 12 7 79 4 75 8 16 4 75 14 14 Desi...

Страница 8: ...indoor unit ft 33 33 66 Outdoor Fan No Diameter in 1 17 1 17 1 19 Total air volume cfm 1200 1200 1470 rpm 800 750 650 800 750 650 850 750 700 Outdoor Coil Number of rows 2 2 2 Fins per inch 21 115V 18 208 230V 21 18 Fin type Hydrophilic aluminium Tube outside diameter in 5 16 5 16 5 16 Tube type Rifled copper tubing Net face area ft 2 115V 4 66 4 66 Net face area ft 2 208 230V 4 09 4 66 5 19 Appli...

Страница 9: ... indoor unit ft 82 82 98 98 Outdoor Fan s No Diameter in 1 20 1 20 1 20 2 22 Total air volume cfm 2235 2130 2530 4470 rpm 810 700 500 810 700 500 950 2 900 Outdoor Coil Number of rows 2 6 2 6 2 2 Fins per inch 18 18 19 18 Fin type Hydrophilic aluminium Tube outside diameter in 5 16 5 16 3 8 3 8 Tube type Rifled copper tubing Net face area ft 2 8 24 8 24 8 24 6 43 inner coil 6 97 outer coil Applica...

Страница 10: ...th ft 82 82 98 164 Max difference in level of indoor unit ft 33 33 66 82 Outdoor Fan No Diameter in 1 17 1 17 1 19 1 22 Total air volume cfm 1120 1180 1355 2355 rpm 810 810 850 810 Outdoor Coil Number of rows 2 2 2 2 Fins per inch 18 18 18 19 Fin type Hydrophilic aluminium Tube outside diameter in 3 8 3 8 3 8 3 8 Tube type Rifled copper tubing Net face area ft 2 4 73 4 73 5 19 8 16 Design Pressure...

Страница 11: ...pm 750 850 Outdoor Coil Number of rows 2 1 6 Fins per inch 14 15 Fin type Hydrophilic aluminium Tube outside diameter in 3 8 3 8 Tube type Rifled copper tubing Net face area ft 2 4 9 6 42 Design Pressure PSIG 550 340 550 340 Shipping Data Net Shipping weight lbs 106 115 144 155 ELECTRICAL DATA Electrical Characteristics 60 Hz 1 Phase 208 230V 208 230V 2 Maximum Overcurrent Protection amps 20 25 3 ...

Страница 12: ... rows 2 6 2 Fins per inch 15 15 Fin type Hydrophilic aluminium Tube outside diameter in 5 16 5 16 Tube type Rifled copper tubing Net face area ft 2 6 42 14 33 Design Pressure PSIG 550 340 550 340 Shipping Data Net Shipping weight lbs 162 174 218 245 ELECTRICAL DATA Electrical Characteristics 60 Hz 1 Phase 208 230V 208 230V 2 Maximum Overcurrent Protection amps 45 50 3 Minimum circuit ampacity 30 3...

Страница 13: ...Fins per inch 18 17 Fin type Hydrophilic Aluminum Tube outside diameter in 3 8 3 8 Tube type Rifled Copper Tubing Net face area ft 2 5 19 8 24 Application area sq ft 260 375 430 630 Design Pressure PSIG 550 340 550 340 Shipping Data Net Shipping weight lbs 106 115 150 161 ELECTRICAL DATA Electrical Characteristics 60 Hz 1 Phase 208 230V 208 230V 2 Maximum Overcurrent Protection amps 25 35 3 Minimu...

Страница 14: ...c Aluminum Tube outside diameter in 3 8 3 8 Tube type Rifled Copper Tubing Net face area ft 2 8 16 6 43 inner coil 6 97 outer coil Application area sq ft 515 755 690 1010 Design Pressure PSIG 550 340 550 340 Shipping Data Net Shipping weight lbs 157 168 224 255 ELECTRICAL DATA Electrical Characteristics 60 Hz 1 Phase 208 230V 208 230V 2 Maximum Overcurrent Protection amps 45 50 3 Minimum circuit a...

Страница 15: ...me cfm 2130 2355 2 4470 rpm 150 200 250 300 400 500 6 00 750 900 10 000 150 200 250 300 400 500 6 00 750 900 10 000 150 200 250 300 400 500 6 00 700 800 870 Outdoor Coil Number of rows 2 2 2 Fins per inch 17 19 18 Fin type Hydrophilic aluminium Tube outside diameter in 3 8 3 8 3 8 Tube type Rifled copper tubing Net face area ft 2 8 24 8 16 13 40 Design Pressure PSIG 550 340 550 340 550 340 Shippin...

Страница 16: ...406 MPB009S4S L MPB012S4S L MPB012S4S P inches 34 1 4 20 1 4 21 7 8 13 1 8 13 3 8 mm 870 514 556 333 340 MPB009S4S P inches 33 1 8 19 1 8 21 7 8 11 7 8 11 3 4 mm 842 486 556 302 298 MPB018S4S P inches 36 21 1 4 27 5 8 14 1 4 13 3 4 mm 914 540 702 362 349 MPB024S4S P MPB030S4S P MPB036S4S P inches 37 1 4 26 1 2 31 7 8 16 3 8 15 7 8 mm 1032 673 810 416 403 MPB048S4S P inches 41 1 8 25 52 1 2 16 3 8 ...

Страница 17: ...MPA048S4M P inches 36 7 8 32 7 8 54 1 2 15 3 8 16 mm 937 835 1385 391 408 MPB018S4M P inches 36 21 1 4 27 5 8 13 1 4 13 3 4 mm 914 540 702 335 350 MPB030S4M P MPB036S4M P inches 40 3 4 26 1 2 31 7 8 15 1 8 15 7 8 mm 1035 673 810 386 403 MPB048S4M P inches 41 3 4 25 52 1 2 16 3 8 15 7 8 mm 1060 634 1333 415 404 MLA018S4M P MLA030S4M P inches 40 5 8 26 1 2 31 7 8 16 5 8 15 7 8 mm 1032 673 810 422 40...

Страница 18: ...mum rear clearance can be 6 inches 152 mm when mounted on brackets and with no obstructions on the other three sides Air Outlet Air Inlet 12 305 24 610 24 610 1 12 305 79 2007 1 Minimum rear clearance can be 6 inches 152 mm when mounted on brackets and with no obstructions on the other three sides ...

Страница 19: ...vision 2 2nd Revision 2 2 M22A Indoor Unit Specifications Model No M22A009S4 P M22A012S4 P M22A018S4 P Nominal Tons 0 75 1 1 5 Power Supply 60 hz 1 phase 208 230V 208 230V 208 230V Rated load amps 0 9 1 0 1 5 Output W 46 46 46 Room Temperature Range F Cooling 62 90 62 90 62 90 Heating 32 86 32 86 32 86 Air Volume cfm High Medium Low 375 300 255 380 310 260 560 485 415 Sound Data dBA Low Medium Hig...

Страница 20: ...62 90 Heating 32 86 32 86 32 86 Air Volume cfm High Medium Low 700 635 575 1095 960 810 1175 1030 855 Sound Data dBA Low Medium High 43 47 51 49 52 55 49 52 55 Piping Connections Liquid Gas o d flare in 3 8 5 8 3 8 5 8 3 8 5 8 Drain connection o d in 1 1 4 1 1 4 1 1 4 Net Shipping weights lbs Body 47 55 58 66 64 73 REQUIRED COMPONENTS ORDERED SEPARATELY Cassette Panel 13X05 M0STAT63Q 1 13X05 M0STA...

Страница 21: ...N LIQUID PIPE GAS PIPE 22 1 2 572 21 1 2 546 20 5 8 524 6 in 152 mm Diameter 5 3 4 146 11 1 4 286 22 1 2 572 10 3 8 264 6 in 152 mm Diameter 5 3 4 146 11 1 4 286 23 5 8 600 Ceiling Opening INSTALLATION HANGERS LEVELING ADJUSTMENT NUT 4 CEILING DIFFUSER PANEL AIR OUTLET AIR OUTLET AIR INLET SIDE VIEW BOTTOM VIEW Panel 25 1 2 648 25 1 2 648 ...

Страница 22: ...M33B048S4 BOTTOM VIEW Body RIGHT SIDE VIEW DRAIN CONNECTION LIQUID PIPE GAS PIPE 26 3 4 679 30 3 4 781 A 33 1 8 841 33 1 8 841 SIDE VIEW 37 3 8 949 37 3 8 949 BOTTOM VIEW Panel DIFFUSER PANEL AIR OUTLET AIR OUTLET AIR INLET Size A in mm 024 8 1 8 206 036 9 5 8 244 048 11 1 4 286 ...

Страница 23: ...NSTALLATION HANGERS LEVELING ADJUSTMENT NUT 4 CEILING DIFFUSER PANEL AIR OUTLET AIR OUTLET AIR INLET 36 914 mm 36 914 mm 36 914 mm 36 914 mm Minimum Clearance from Structural Ceiling to Drop Ceiling M22A009 M22A012 M22A018 10 1 4 260 mm Minimum Clearance to Floor 98 1 2 2500 mm ...

Страница 24: ...ng 32 86 32 86 32 86 Air Volume cfm High Medium Low 335 290 240 370 320 260 520 430 360 External Static Pressure in w g 0 0 18 0 0 18 0 0 28 Sound Data dBA Low Medium High 31 35 38 31 37 44 37 39 41 Piping Connections Liquid Gas o d flare in 1 4 3 8 1 4 1 2 1 4 1 2 Drain connection o d in 1 1 1 Net Shipping weights lbs 40 51 42 52 51 61 Model No MMDA024S4 P MMDA036S4 P MMDA048S4 P Nominal Tons 2 3...

Страница 25: ...00 0 05 0 10 0 15 0 20 150 200 250 300 350 400 Medium Speed External Static Pressure in w g 3 3 2 MMDA018S4 P Low Speed Air Volume cfm Air Volume cfm External Static Pressure in w g High Speed Air Volume cfm External Static Pressure in w g Medium Speed External Static Pressure in w g 0 00 0 02 0 04 0 06 0 08 0 10 0 12 0 14 0 16 150 250 350 450 0 00 0 02 0 04 0 06 0 08 0 10 0 12 0 14 0 16 0 18 0 20...

Страница 26: ... 150 200 250 300 350 400 Medium Speed External Static Pressure in w g 3 3 4 MMDA036S4 P Low Speed Air Volume cfm Air Volume cfm External Static Pressure in w g High Speed Air Volume cfm External Static Pressure in w g Medium Speed External Static Pressure in w g 0 00 0 02 0 04 0 06 0 08 0 10 0 12 0 14 0 16 150 250 350 450 0 00 0 02 0 04 0 06 0 08 0 10 0 12 0 14 0 16 0 18 0 20 0 22 0 24 0 26 0 28 1...

Страница 27: ...fm External Static Pressure in w g Medium Speed External Static Pressure in w g 0 00 0 05 0 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 500 600 700 800 900 1000 1100 1200 0 00 0 05 0 10 0 15 0 20 0 25 0 30 0 35 0 40 260 360 460 560 660 760 860 960 0 00 0 05 0 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 50 250 450 650 850 1050 ...

Страница 28: ...31 1 8 791 2 5 8 67 19 1 2 495 1 3 8 35 018 36 1 4 921 8 1 4 210 25 635 22 1 2 572 39 3 4 1010 2 5 8 67 28 711 1 3 8 35 024 36 1 4 921 10 5 8 270 25 635 22 1 2 572 39 3 4 1010 2 5 8 67 28 711 1 3 8 35 036 44 7 8 1140 10 5 8 270 30 1 2 775 28 711 48 1 2 1232 2 5 8 67 36 3 4 933 1 3 8 35 048 47 1 4 1200 11 7 8 302 34 1 8 867 31 1 2 800 50 3 4 1289 3 1 8 79 38 1 8 968 1 1 2 38 Size J K L M N P in mm ...

Страница 29: ... 508 Minimum Service Clearance 24 610 Minimum Service Clearance Air Flow 24 610 Minimum Service Clearance TOP VIEW MEDIUM STATIC DUCTED UNIT FRONT VIEW 1 25 Minimum Clearance Ceiling Wall Wall 1 25 Minimum Clearance Ceiling Suspended ...

Страница 30: ...e F Cooling 62 90 62 90 62 90 62 90 Heating 32 86 32 86 32 86 32 86 Air Volume cfm High Medium Low 365 265 195 370 270 195 365 265 195 370 275 200 Sound Data dBA Low Medium High 24 33 42 26 5 33 4 41 7 24 33 42 28 6 35 8 45 1 Piping Connections Liquid Gas o d flare in 1 4 3 8 1 4 3 8 1 4 1 2 1 4 1 2 Drain connection o d in 1 1 1 1 Net Shipping weights lbs 20 26 20 26 20 26 20 27 4 3 Indoor Unit Sp...

Страница 31: ...9S4S P MWMA012S4S P MWMA018S4S P 39 991 12 3 8 314 34 3 4 883 8 5 8 210 MWMA024S4S P 46 3 4 1187 13 1 2 343 42 1 2 1080 10 1 4 260 MWMA030S4S P MWMB030S4S P 4 5 Indoor Unit Clearances FRONT VIEW Wall Vertical Clearance Clearance to Floor 72 inches 1829 mm Minimum 96 inches 2438 mm Recommended 5 127 mm Minimum 6 152 mm Minimum Clearance Ceiling Wall Floor 5 127 mm Minimum ...

Страница 32: ...5 2 Indoor Unit Specifications 018 048 Ton Units Model No MCFB018S4 P MCFA024S4 P MCFA036S4 P MCFA048S4 P Nominal Tons 1 5 2 3 4 Power Supply 60 hz 1 phase 208 230V 208 230V 208 230V 208 230V Rated load amps 1 5 2 1 5 1 8 Output W 55 55 115 2 90 Room Temperature Range F Cooling 62 90 62 90 62 90 62 90 Heating 32 86 32 86 32 86 32 86 Air Volume cfm High Medium Low 580 520 465 760 710 600 1035 915 6...

Страница 33: ...4 100 x 100 Condensate Drain Outlets 4 each corner FRONT VIEW BOTTOM VIEW SIDE VIEW BACK VIEW A B 8 3 4 222 9 1 4 235 26 5 8 676 MCFB018S4 MCFA024S4 MCFA036S4 MCFA048S4 2 1 4 57 2 51 Refrigerant Piping Refrigerant Piping Opening 4 3 4 x 5 1 2 121 x 140 Condensate Drain Outlets 2 each side Refrigerant Piping Opening 3 1 2 x 7 1 4 89 x 184 2 3 8 61 3 1 2 89 Refrigerant Piping Model No A B in mm in m...

Страница 34: ...s 24 610 24 610 FRONT VIEW SIDE VIEW SIDE VIEW SUPPLY AIR SUPPLY AIR 24 610 Service Clearance Front of Unit DROP CEILING 3 4 19 WALL WALL CEILING APPLICATIONS CEILING AND FLOOR APPLICATIONS FLOOR APPLICATIONS Unit Flush with Wall ...

Страница 35: ... 009 018 8 788 17 913 9 540 19 447 012 012 10 287 10 287 11 864 11 864 012 018 10 052 16 649 10 913 18 074 018 018 17 200 17 200 18 240 18 240 3 009 009 009 8 900 8 900 8 900 9 476 9 476 9 476 009 009 012 8 265 8 265 10 172 8 972 8 972 11 043 009 009 018 8 518 8 518 17 364 9 033 9 033 18 414 009 012 012 9 228 11 357 11 357 10 301 12 679 12 679 009 012 018 8 202 10 094 16 719 8 347 10 273 17 015 00...

Страница 36: ... 9 235 9 235 24 505 009 012 012 9 027 12 089 12 089 9 425 12 850 12 850 009 012 018 9 001 11 636 17 334 9 345 12 585 18 119 009 012 024 8 922 11 621 23 222 9 330 11 950 24 395 009 018 018 8 844 17 193 17 193 9 320 17 875 17 875 009 018 024 8 685 16 321 22 111 9 220 16 675 22 660 009 024 024 8 421 21 121 21 121 9 021 21 521 21 521 012 012 012 11 981 11 981 11 981 12 648 12 648 12 648 012 012 018 11...

Страница 37: ...00 24 000 10 000 25 000 012 012 12 000 12 000 13 000 13 000 012 018 12 000 18 000 13 000 18 000 012 024 11 000 23 000 12 000 24 000 018 018 16 500 16 500 17 000 17 000 3 009 009 009 9 333 9 333 9 333 9 667 9 667 9 667 009 009 012 9 000 9 000 12 000 9 500 9 500 12 500 009 009 018 8 000 8 000 16 000 8 500 8 500 17 000 009 012 012 8 500 11 500 11 500 9 000 12 000 12 000 009 012 018 8 000 11 000 15 00...

Страница 38: ...0 19 000 009 009 024 9 000 9 000 22 500 9 500 9 500 23 500 009 012 012 9 500 12 500 12 500 10 000 10 000 13 000 009 012 018 9 000 12 000 18 000 9 500 9 500 19 000 009 012 024 9 000 12 000 21 500 9 500 12 500 22 000 009 018 018 9 000 18 000 18 000 9 500 18 500 18 500 009 018 024 8 500 15 500 21 000 9 000 16 000 21 500 009 024 024 8 000 20 000 20 000 8 500 21 000 21 000 012 012 012 12 000 12 000 12 ...

Страница 39: ...14 500 012 012 012 012 12 000 12 000 12 000 12 000 12 500 12 500 12 500 12 500 012 012 012 018 11 000 11 000 11 000 16 000 11 500 11 500 11 500 16 500 012 012 012 024 10 000 10 000 10 000 20 000 10 500 10 500 10 500 20 500 012 012 018 018 10 000 10 000 15 000 15 000 10 500 10 500 15 500 15 500 5 009 009 009 009 009 9 000 9 000 9 000 9 000 9 000 9 500 9 500 9 500 9 500 9 500 009 009 009 009 012 9 0...

Страница 40: ...000 009 024 9 000 24 000 10 000 25 000 012 012 12 000 12 000 13 000 13 000 012 018 12 000 18 000 13 000 18 000 012 024 11 000 23 000 12 000 24 000 018 018 16 500 16 500 17 000 17 000 018 024 16 000 22 000 16 500 22 500 024 024 20 000 20 000 21 000 21 000 3 009 009 009 9 333 9 333 9 333 9 667 9 667 9 667 009 009 012 9 000 9 000 12 000 9 500 9 500 12 500 009 009 018 8 000 8 000 16 000 8 500 8 500 17...

Страница 41: ... O D N I Electronic expansion valve CAPILIARY TUBE Accumulator CAPILIARY TUBE Outdoor Coil 7 2 MPA and MPB Two Zone Refrigerant Cycle Diagram LIQUID VALVE A GAS VALVE A Indoor Coil Compressor Outdoor Coil 4 WAY VALVE COOLING HEATING T2 Evaporator temp sensor middle T1 Room temp sensor T3 Condenser temp sensor T5 Discharge temp sensor T4 Ambient temp sensor INDOOR OUTDOOR EXV A CAPILIARY A CHECK VA...

Страница 42: ...umulator T2B A Evaporator temp sensor outlet T2B B T2B C 7 4 MPA and MPB Four Zone Refrigerant Cycle Diagram LIQUID VALVE A GAS VALVE A Compressor Indoor Coil Outdoor Coil 4 WAY VALVE COOLING HEATING T2 Evaporator temp sensor middle T1 Room temp sensor T3 Condenser temp sensor T5 Discharge temp sensor T4 Ambient temp sensor INDOOR OUTDOOR EXV A CAPILIARY A CHECK VALVE CAPILIARY TUBE EXV B CAPILIAR...

Страница 43: ...ser temp sensor T4 Ambient temp sensor INDOOR OUTDOOR EXV A CAPILIARY A CHECK VALVE CAPILIARY TUBE EXV B CAPILIARY B LIQUID VALVE B GAS VALVE B EXV C CAPILIARY C LIQUID VALVE C GAS VALVE C EXV D CAPILIARY D LIQUID VALVE D GAS VALVE D EXV E CAPILIARY E LIQUID VALVE E GAS VALVE E Compressor 4 WAY VALVE T5 Discharge temp sensor Accumulator High pressure switch Low pressure switch ...

Страница 44: ...RTANT System Size KBtu Line Set Diameters in Maximum Elevation Outdoor Unit BELOW Indoor Unit ft m Maximum Elevation Outdoor Unit ABOVE Indoor Unit ft m Maximum Line Set Length ft m Liquid Gas 009 1 4 3 8 40 ft 12 m 40 ft 12 m 82 ft 25 m 012 1 4 1 2 40 ft 12 m 40 ft 12 m 82 ft 25 m 018 1 4 1 2 66 ft 20 m 66 ft 20 m 98 ft 30 m 024 3 8 5 8 82 ft 25 m 82 ft 25 m 164 ft 50 m 036 048 3 8 5 8 98 ft 30 m...

Страница 45: ...d MPB 49 ft 15 m NOTE Minimum Line Set Length 10 ft 3 m per Indoor Unit Outdoor Unit Model No MPA018S4M P MPB018S4M P MLA018S4M P MPA030S4M P MPB030S4M P MLA030S4M P MPA036S4M P MPB036S4M P MLA036S4M P MPA048S4M P MPB048S4M P Maximum Number of Indoor Units Two Three Four Five Indoor Unit Connections Liquid Gas 2 1 4 3 8 3 1 4 3 8 3 1 4 3 8 1 1 4 1 2 3 1 4 3 8 2 1 4 1 2 Total Length of All Piping 9...

Страница 46: ... 5 zone not 2 zone multi zone units have a master valve on each refrigerant line The master valve controls refrigerant to all of the zone supply valves Open the master valves prior to opening the zone supply valves Liquid Line Master Valve Vapor Line Master Valve ...

Страница 47: ...nation when using the MPA036S4M Outdoor Model No of Zones Indoor Unit Capacity Unit No Line Set Required Liquid x Gas MPA036S4M MPB036S4M Indoor Unit A 1 4 liq 1 2 gas Indoor Unit B 1 4 liq 3 8 gas Indoor Unit C 1 4 liq 3 8 gas Indoor Unit D 1 4 liq 3 8 gas 2 009 B 018 A 1 4 in x 3 8 in 1 4 in x 1 2 in 2 4 009 B 024 A 1 4 in x 3 8 in 2 3 3 8 in x 5 8 in 2 012 A 012 B 1 4 in x 1 2 in 1 1 4 in x 1 2...

Страница 48: ...6S4M Outdoor Model No of Zones Indoor Unit Capacity Unit No Line Set Required Liquid x Gas MPA048S4M MPB048S4M Indoor Unit A 1 4 liq 1 2 gas Indoor Unit B 1 4 liq 1 2 gas Indoor Unit C 1 4 liq 3 8 gas Indoor Unit D 1 4 liq 3 8 gas Indoor Unit E 1 4 liq 3 8 gas 2 009 B 1 1 4 in x 3 8 in 024 A 2 3 3 8 in x 5 8 in 2 012 B 1 4 in x 1 2 in 018 A 1 4 in x 1 2 in 2 012 B 1 4 in x 1 2 in 024 A 2 3 3 8 in ...

Страница 49: ...ne set connection to the 048 outdoor unit furnished with outdoor unit 4 Not a valid combination when using the MPA036S4M Outdoor Model No of Zones Indoor Unit Capacity Unit No Line Set Required Liquid x Gas MPA048S4M MPB048S4M Indoor Unit A 1 4 liq 1 2 gas Indoor Unit B 1 4 liq 1 2 gas Indoor Unit C 1 4 liq 3 8 gas Indoor Unit D 1 4 liq 3 8 gas Indoor Unit E 1 4 liq 3 8 gas 4 009 B 1 1 4 in x 3 8 ...

Страница 50: ...or unit 3 1 2 x 5 8 in gas pipe adaptor is required for line set connection to the 048 outdoor unit furnished with outdoor unit 4 Not a valid combination when using the MPA036S4M Outdoor Model No of Zones Indoor Unit Capacity Unit No Line Set Required Liquid x Gas MLA018S4M Indoor Unit A 1 4 liq 3 8 gas Indoor Unit B 1 4 liq 3 8 gas 2 009 A 009 B 1 4 in x 3 8 in 1 4 in x 3 8 in 2 012 A 009 B 1 1 4...

Страница 51: ...h outdoor unit 3 1 2 x 5 8 in gas pipe adaptor is required for line set connection to the 048 outdoor unit furnished with outdoor unit 4 Not a valid combination when using the MPA036S4M Outdoor Model No of Zones Indoor Unit Capacity Unit No Line Set Required Liquid x Gas MLA036S4M Indoor Unit A 1 4 liq 1 2 gas Indoor Unit B 1 4 liq 1 2 gas Indoor Unit C 1 4 liq 3 8 gas Indoor Unit D 1 4 liq 3 8 ga...

Страница 52: ...ake sure that con nections are tight to avoid strain on wiring Insecure wiring connections may result in equipment failure and risk of fire Wiring must be installed so that all cover plates can be securely closed In the U S A wiring must conform with current local codes and the current National Electric Code NEC In Canada wiring must conform with current local codes and the current Canadian Electr...

Страница 53: ...NOTE Use minimum of 18 gauge stranded wiring Figure 2 Single Zone Wiring 30K and Below L2 1 A 3 A 2 A 1 B 3 B 2 B 208 230V Outdoor Unit Terminal Block Terminal Block 1 2 3 208 230V Indoor Unit A Terminal Block 1 2 3 208 230V Indoor Unit B From Power Supply Outdoor Unit Indoor Unit A Indoor Unit B Figure 3 Multi Zone Wiring 30K and Below ...

Страница 54: ...230V Indoor Unit To Indoor Unit A To Indoor Unit B Figure 4 Multi Zone Wiring 36K and Above From Power Supply Indoor Unit CommunicationTerminal Block L1 L2 Power Terminal Block 208 230V Outdoor Unit L1 L2 L1 L2 Power Terminal Block 208 230V Outdoor Unit Power Terminal Block 208 230V Indoor Unit S1 S2 Communication Terminal Block Outdoor Unit E Y X Y Q S1 E P S2 Outdoor Unit Indoor Unit Figure 5 Co...

Страница 55: ...on the unit for actual wiring Figure 6 115V MPA009S4S 1L and MPA012S4S 1L Outdoor Unit Wiring Diagram BLUE CN2 BROWN CN16 CN1 CN26 DC FAN CN29 REACTOR CN9 1 CN32 1 OUTD OOR COIL TEMP S ENSOR CN7 COMPRESSOR DISCHARGE TEMP SENSOR CN27 YELLOW 4 WAY VALVE WHITE COMPRESSOR BLUE RED BLACK CN28 CN30 WHITE 3 2 L2 RED BLUE Y G 1 Y G Y G CN3 6 CN31 CN21 CN22 3 PAN HEATER CN33 CRANKCASE HEATER OUTDOOR TEMP S...

Страница 56: ...LUE U V W Y G CN6 1 Y G RED BLUE 3 CN14 CN15 CRANKCASE HEATER Typical wiring diagram Refer to wiring diagram on the unit for actual wiring Figure 8 208 230V MPA018S4S 1P Outdoor Unit Wiring Diagram COMPRESSORDISCHARGE TEMP SENSOR BLACK RED L OUT 2 Y G RED BLACK CN10 S YELLOW Y G CRANK CASE HEATER PAN HEATER Compressor Control Board Typical wiring diagram Refer to wiring diagram on the unit for act...

Страница 57: ...Figure 10 208 230V MPA030S4S 1P Outdoor Unit Wiring Diagram COMP FM1 MAIN BOARD RED BLACK U V W Y G Y G L L PRO T3 T4 CODE PART NAME COMPRESSOR HEAT1 4 WAY VALVE COMP EXV ELECTRIC EXPANSION VALVE H PRO L PRO LOW PRESSURE SWITCH HIGH PRESSURE SWITCH T3 T4 OUTDOOR COIL TEMP SENSOR OUTDOOR TEMP SENSOR POW ER SUPPLY H PRO SV L PFC INDUCTOR COMPRESSOR DISCHARGE TEMP SENSOR RED BLACK V U CN19 CN51 CN55 ...

Страница 58: ... BLACK BLACK RED BLACK RED CN12 TH TO INDOOR COMM BUS XT2 L L E Y OW A R G Y S1 S2 NOTE shielded wire Please use 2 core 2 Y G P 6 CH5 CT1 L2 L1 MAIN POWER SUPPLY XT1 TO INDOOR UNIT L1 Y G RED BLACK XT3 1 L2 2 1 L2 2 HEAT_Y CRANKCASE HEATER PAN HEATER HEAT_D 6 Compressor and Outdoor Fan Control Board Figure 12 208 230V MPA048S4S 1P Outdoor Unit Wiring Diagram COMPRESSOR Y G 4 WAY VALVE CN 50 OUTDOO...

Страница 59: ... G CN 1A Y G Y G COMPRESSOR Y G CN 50 3 U V W BLUE RED BLACK EXV OUTDOOR MAIN PCB OUTDOOR TE MP S E NS OR COMPR E S S OR DIS CHAR GE TE MP S E NS OR OUTDOOR C OIL TEMP SENSOR RED BLACK WHTIE Figure 14 208 230V MPB009S4S P and MPB012S4S P Outdoor Unit Wiring Diagram Figure 15 208 230V MPB018S4S P and MPB024S4S P Outdoor Unit Wiring Diagram ...

Страница 60: ...TE R POWE R S UPPLY H PR O S V L PFC INDUCTOR T5 T5 COMP RESS OR D ISCH ARGE TEMP ERA TURE SENS OR RED BLA CK V U C N 19 CN51 C N 55 W EXV BLACK DRIVER BOARD RED 7 7 YELLOW BLUE P 1 FM1 OUTDOOR DC FAN CN53 CN20 CN34 CN3 CN4 CN10 CN40 CN22 CN44 C N 8 C N 9 C N 7 C N 2 C N 1 CN5 CN54 CN52 CN33 5 CN6 SV 4 WAY VALVE BLUE BLUE HEAT2 HEAT1 BLACK RED BLUE BLUE BLUE YELLOW RED BLACK RED BLACK TO INDOOR CO...

Страница 61: ...20 CN24 CN25 CN17 FAN1 CN18 HEAT1 HEAT2 SV 4 WAY VALVE BLUE RED BLUE CN4 CN2 CN3 CN1 CO MP U V W Y G CN6 CN9 10 3 CN1 CN2 L YELLOW YELLOW U V W BLUE BLACK RED RED WIHTE BLACK RED BLACK CH1 CT1 FM2 FM1 Y G Y G DC MOT OR DR IVER B OARD CON1 FAN1 CN1 FAN2 3 3 P6 2 CN6 CN3 Y G BLACK TO INDOOR COMM BUS XT 2 YE LLOW GR AY S1 S2 NOTE PLEASE USE 2 CORE SHIELDED WIRE L2 L1 MAIN P OW E R S UP P LY XT1 TO IN...

Страница 62: ...6 CN6 SV 4 WAY1 BLUE BLUE HEAT2 HEAT1 BLACK RED BLUE BLUE BLUE YELLOW RED BLACK RED BLACK L2 TOINDOORUNIT POWERSUPPLY Y G 2 L1 1 RED RED BLACK YELLOW S BLACK YELLOW Crankcase Heater Base Pan Heater ONLY FOR 36K ODU L1 L2 FM1 Y G 3 3 Y G COMP 3 Figure 20 208 230V MLA024S4S 1P Outdoor Unit Wiring Diagram 11 3 MPA and MPB Multi Zone ELECTRONIC EXPANSION VALVE T4 T3 1 A L2 2 A L1 4 WAY VALVE BLACK BLU...

Страница 63: ...CN51 CN55 W EEV BLACK DRIVER BOARD RED 7 7 YELLOW BLUE P 1 CN53 CN3 CN4 CN10 CN40 CN22 CN44 CN8 CN9 CN7 CN2 CN1 CN5 CN54 CN52 CN33 ORANGE ORANGE CN6 SV 4 WAY1 BLUE BLUE HEAT_D HEAT_Y ORANGE ORANGE CN12 CN11 BLACK RED BLUE BLUE BLUE YELLOW RED BLACK RED BLACK CN20 M 6 A CN21 M 6 B CN17 M 6 C CN18 M 6 D CN30 CN29 CN28 CN27 CODE PART NAME COMPRESSOR HEAT_D 4 WAY VALVE COMP EEV ELECTRIC EXPANSIVE VALV...

Страница 64: ...5 CN6 CN5 CN8 CN15 CN9 CN14 7 5 CN6 CN3 L YELLOW YELLOW U V W BLUE BLACK RED Y G XT2 XT3 L P P U S R E W O P Y 1 A 2 A 3 A 1 B 2 B 3 B 1 C 2 C 3 C 1 D 2 D 3 D 1 E 2 E 3 E TO A TO B TO D TO E TO C BROWN BLUE BLACK BROWN BLUE BLACK BROWN BLUE BLACK BROWN BLUE BLACK BROWN BLUE BLACK CN29 CN21 CN16 CN13 CN39 A B C E D WHITE BLACK BLACK BLACK RED BLACK RED BLACK P 5 P 4 Ferrite bead CH1 Ferrite bead CH...

Страница 65: ... VALVE BLUE BLUE HEAT_2 HEAT_1 BLACK RED BLUE BLUE BLUE YELLOW RED BLACK RED BLACK CN20 M 6 A CN21 M 6 B CN17 M 6 C CN18 M 6 D C N 3 0 C N 2 9 C N 2 8 C N 2 7 CODE PAR T NAME COMPR E S S OR HE AT_2 4 WAY VALVE COMP E XV E LE CTR IC E XPANS ION VALVE H P R O L P R O LOW P R E S S UR E S WITCH HIG H P R E S S UR E S WITCH T3 T4 OUTDOOR COIL TEMPERATU RE SENSOR OUTDOOR TEMPERAT URE SENSOR PAN HE ATE ...

Страница 66: ...UE BLACK RED Y G XT 2 XT 3 P OW E R S UP P LY CN29 CN21 CN16 CN13 RED BLACK BLACK RED BLACK P9 CH1 CT1 FM2 FM1 Y G Y G DC MOT OR DR IVER B OARD CON1 FAN1 CN1 FAN2 3 3 P6 2 CN6 CN3 CN19 CN20 CN24 CN25 CN17 CN18 HEAT_2 HEAT_1 SV 4 WAY VALVE BLUE BLUE ORAN GE ORA NGE RED BLACK CH2 CH2 CH2 Y G Y G HEAT_2 PAN HEATER T2B INDOOR COIL TEMPER ATUR E SEN SOR XT TERMINAL STRIP Figure 28 MPB048S4M P Outdoor U...

Страница 67: ...O R C O I L O U T L E T T E M P S E N S O R GN D P 1 Figure 30 MLA030S4M 1P Outdoor Unit Wiring Diagram HE AT _2 PAN HEATER IND OO R C OIL OU TL ET TE MP S EN SO R HE AT _1 HE AT _2 HE AT _1 AC CURRENT DETECTOR COMPRESSOR DISCHARGE TEMP SENSOR OUTDOOR COIL TEMP SENSOR OUTDOOR TEMP SENSOR INDOOR COIL OUTLET TEMP SENSOR Figure 31 MLA036S4M 1P Outdoor Unit Wiring Diagram ...

Страница 68: ...or Unit 1 2 3 CN13 DISPLAY B OA RD 10 T2 T1 CN6 4 ROOM TEMP SENSOR BLACK WHITE CN10A M PUMP 2 INDOOR UNIT MAINBOARD TO WIRE CONTROLLER 5 CN23 ON OFF Remote Control CN33 ALARM Alarm Output CN15 M Motor 5 RED BROWN CN1 BLUE BLACK CN5 WATERLEVELSWITCH E Y X To CCM Comm Bus P1 CN3 JR6 JR6 2 Y G CN110 YELLOW TO OUTDOOR UNIT P5 CN10 INDOOR COIL TEMP SENSOR Note1 remove the JR6 jumper for remote on off c...

Страница 69: ...DASH LINE IS OPTIONAL OR FIELD WIRING Note The programmable wired controller and regular wired controller use the same wiring connector 4 Figure 34 M33A024S4 P Unit Wiring Diagram Reactor CN13 DISPLAY BOARD TO WIRE CONTROLLER 10 T2 T1 CN6 4 BLACK WHITE CN10 CN10A M PUMP 2 INDOOR UNIT MAINBOARD CN23 ON OFF Remote Control CN33 A L A RM Alarm Output CN15 M FAN 5 RED BROWN CN1 BLUE BLACK L1 L2 Y G CN5...

Страница 70: ...CN33 ALA RM Alarm Output RED CN2 CN1 BLACK 1 2 Y G 3 CN41 YELLOW CN8 CN18 RED DISPLAY BOARD TO WIRE CONTROLLER 10 CN10 5 CN13 M PUMP 2 Y G CN3 CN9 E Y X To CCM Comm Bus DC MOTOR DRIVER MODULE CN13 CN3 3 CN15 5 M CN5 WATER LEVEL SWITCH FILT ER BOA RD RED BLACK FAN Figure 36 MMDA009S4 1P MMDA012S4 1P MMDAA018S4 1P Ducted Units Wiring Diagram ...

Страница 71: ...3 RED BLACK FAN Figure 37 MMDA024S4 1P Ducted Units Wiring Diagram T2 T1 CN6 4 BLACK WHITE INDOOR UNIT MAINBOARD CN23 ON OFF Remote Control CN33 ALARM Alarm Output Reactor CN8 CN18 RED RED DISPLAY BOARD TO WIRE CONTROLLER 10 CN10 5 CN13 M PUMP 2 T2B INDOOR COIL OUTLET TEMP SENSOR CN7 CN9 E Y X Q E P To outdoor Comm Bus To CCM Comm Bus S2 S1 DC MOTOR DRIVER MODULE CN13 CN3 3 CN15 5 M RED CN2 CN1 BL...

Страница 72: ...C N 1 3 C N 3 3 CN1 5 5 M CN6 T2 T1 4 INDO OR C OIL T EMP SENS OR ROOM TEMP SENSOR BLACK WHITE INDOOR UNIT MAINBOARD CN3 R E D C N 2 C N 1 Y G B L A C K C N 4 1 YELLOW CN5 WATE R LE VE L S WITCH Inductor CN8 CN18 RED RED 1 O N 1 O N COOLING PRIORITY HEATING PRIORITY FACTORY SETTING MODE C N 1 9 BLUE BLACK T o L V M C o m m B u s WHITE X Y E Y G 1 2 3 FILTER BOARD BLACK RED 1 O N 1 ON S W2 1 2 ON 1...

Страница 73: ...NTROLLER 5 Figure 41 MCFA024S4 1P Unit Wiring Diagram CN5 Reactor CN8 CN18 CN7 T2B OUTER PIPE TEMP SENSOR T2 T1 CN6 4 BLACK WHITE RED RED VSWING INACTIVE CN21 CN24 M M M 5 5 5 5 SWING INDOOR UNIT MAINBOARD DC MOTOR DRIVER MODULE CN13 CN3 M 3 CN15 5 FAN1 Ceiling Floor Type CN23 ON OFF CN33 ALA RM Alarm Output Remote Control CN19 CN16 BLUE BLACK YELLOW GRAY To CCM Comm Bus To outdoor Comm Bus WHITE ...

Страница 74: ...RD CN15 5 FAN1 CN16 FAN2 DC MOTOR DRIVER MODULE CN13 CN3 M 3 5 Ceiling Floor Type Y G CN3 CN2 CN1 BLACK RED Ferrite bead FILTER BOARD L1 L2 RED BLACK CN29 CN28 BLUE BLACK YELLOW GRAY To CCM Comm Bus To outdoor Comm Bus WHITE S1 S2 X Y E This symbol indicates the element is optional the actual shape shall prevail Y G Y G Y G INDOOR COIL TEMP SENSOR ROOM TEMP SENSOR FAN FAN DISPLAY BOARD 10 CN10A TO...

Страница 75: ...justment S1 S2 CCM Address SW5 For Mode Conflict Setting 24k and smaller units only Figure 44 M22A Main Control Image SW2 Indoor Fan Speed Adjustment SW3 Auto Restart Function SW5 For Mode Conflict Setting 24k and smaller units only SW1 Pre Heat Function Adjustment SW6 Heating Temperature Compensation Adjustment S1 S2 CCM Address Figure 45 M33A and M33B Main Control Image ...

Страница 76: ...o Not Adjust ENC2 Set Static Pressure SW5 For Mode Conflict Setting 24k and smaller units only Figure 46 MMDA Main Control Image SW2 Indoor Fan Speed Adjustment SW3 Auto Restart Function SW1 Pre Heat Function Adjustment SW6 Heating Temperature Compensation Adjustment S1 S2 CCM Address SW5 For Mode Conflict Setting 24k and smaller units only Figure 47 MCFA and MCFB Main Control Image ...

Страница 77: ...must be drained from heat pump units Drain holes are provided in the base of the units to ensure proper drainage Heat pumps must be raised when installed on a concrete pad or the ground to allow drainage to occur If the heat pump unit is installed on wall mounting brackets insert the provided drain connector into one of the 1 inch 25 mm drain holes and attached a field provided insulated drain hos...

Страница 78: ... per foot and routing of condensate lines to ensure moisture is drained away from the indoor unit 3 Drain should be as short as possible and should not have any droops or kinks that would restrict condensate flow and shall be approved resistant pipe There must be a 2 inch space between the end of the condensate drain and the final termination point ground open drain etc to ensure that the line wil...

Страница 79: ...vided hose clamp to secure the drain line stub on the side of the unit chassis to a field supplied 1 25 mm drain line See figure below NOTE Take care not to over tighten the hose clamps this may damage the drain line stub INSULATION INDOOR UNIT CONDENSATE LINE STUB HOSE CLAMP FLEXIBLE DRAIN CONNECTOR PVC DRAIN PIPE Figure 53 Condensate Piping Connection 2 Make a water tight connection between the ...

Страница 80: ...em has been resolved 7 Return the test cover and turn the latch clockwise to re lock it DRAIN PAN TEST COVER FUNNEL WATER INTO PAN THROUGH TUBE FOR TEST COVER LATCH Turn latch counterclockwise to unlock C L O S E D O P E N C L O S E D O P E N Figure 55 Condensate Drain Test 14 3 1 2 M22A M33A and M33B CAUTION Make sure that drain piping is properly routed and insulated in order to prevent both lea...

Страница 81: ...ation This check is part of the commissioning sequence Pour water into the evaporator drain pan to ensure proper condensate drainage See figure right If a leak is found shut down power to the unit at once and do not restore power to the unit until the problem has been resolved Drain Plug Drain Pan Cassette Base Pour water here for test Cap Remove for test Figure 56 Condensate Drain Test Cassette U...

Страница 82: ...EEP Enables the system to automatically increase cooling or decrease heating in 2 F increments per hour for the first 2 hours then maintain a steady temperature for 5 hours NOTE To cancel push the MODE FAN SPEED or ON OFF buttons NOTE SLEEP mode is only available when the unit is in COOL HEAT or AUTO mode TURBO Enables the unit to reach the preset temperature during cooling or heating operation in...

Страница 83: ...h press of the button will increase the auto timed setting by 60 minutes up to 24 hours NOTE To cancel set timer to 0 0 or turn remote off and on SWING Used to stop or start horizontal louver auto swing feature DIRECT Used to change the louver movement and set the desired up down air flow direction The louver angle changes 6 for each press of the button FOLLOW ME Allows remote temperature sensing ...

Страница 84: ...de 2 Press the UP DOWN buttons to set the desired temperature 3 Press the FAN button to select the fan speed in four steps Auto Low Med or High 4 Press the ON OFF button to start the air conditioner Dehumidifying 1 Press the MODE button to select DRY mode 2 Press the UP DOWN buttons to set the desired temperature 3 Press the ON OFF button to start the air conditioner Timer ON OFF 1 Press the TIMER...

Страница 85: ...7 8 in Additional hardware is furnished for installation Wiring Controller uses 5 wire shielded cable not furnished for easy low voltage connection to the indoor unit 15 2 1 Buttons Mode Select system operation modes Push button to cycle through each setting AUTO COOL DRY HEAT FAN Power Button Turns system on and off FAN SPEED Button Selects fan speed Each button press cycles through the following...

Страница 86: ... F scale SWING Button Used to stop or start horizontal louver auto swing feature ECONOMY Button Maintains the most comfortable temperature and saves energy RESET Button Recessed Resets Controller to factory settings Recessed to prevent tampering LOCK Button Recessed Locks Controller buttons to prevent tampering with settings 15 2 2 Display 1 2 1 12 1 12 MODE DISPLAY FOLLOW ME INDICATOR ON OFF INDI...

Страница 87: ...ove the dial switch to the 3 position 0 8 4 1 2 3 5 6 7 C 9 A B D E F 1 2 ON 0 8 4 1 2 3 5 6 7 C 9 A B D E F 1 2 ON 0 8 4 1 2 3 5 6 7 C 9 A B D E F 1 2 ON 0 8 4 1 2 3 5 6 7 C 9 A B D E F 1 2 ON S1 S2 FOR SETTING ADDRESS RANGE ADDRESS FACTORY SETTING 0 F 0 F 0 F 0 F 0 15 16 31 32 47 48 63 DIP SWITCH HANDLES LEFT DOWN RIGHT DOWN LEFT DOWN RIGHT UP LEFT UP RIGHT DOWN LEFT UP RIGHT UP Figure 58 Dip Sw...

Страница 88: ...o CCM Comm Bus X Y E Y G Indoor Unit Connection Points Typical Wiring Diagram Indoor Unit Connection Points Typical Figure 60 Connection Points 17 Indoor Unit Connection Points for ON OFF Device Mini split indoor units can be connected to an external device such as a fire alarm system using two dry contacts on the indoor unit main board These dry contacts allow the external device to turn the indo...

Страница 89: ...onnection Points for Alarm Device Mini split indoor units can be connected to an alarm device such as a light or buzzer using two dry contacts on the indoor unit main board Figure 62 Indoor Unit Connection Points Typical ...

Страница 90: ...48 25 ft 7 5m 0 322 oz ft 30g m 19 2 Adding Refrigerant Multi Zone Systems The outdoor unit is factory charged with refrigerant Calculate the additional refrigerant required according to the length of the liquid pipe one way between the outdoor unit and indoor unit connections Be sure to add the proper amount of additional refrigerant Failure to do so may result in reduced performance NOTE Interco...

Страница 91: ... Display running frequency running state or malfunction code 1 Quantity of indoor units in good connection Actual data Display Number of indoor units 1 one 2 two 3 three 4 four 5 five 2 Outdoor unit running mode Off 0 Fan only 1 Cooling 2 Heating 3 Forced cooling 4 3 Indoor unit A capacity The capacity unit is horse power If the indoor unit is not connected the digital display tube will show 9K 1H...

Страница 92: ...2B 29 Indoor unit C evaporator temp T2C 30 Indoor unit D evaporator temp T2D 31 Indoor unit E evaporator temp T2E 32 Condenser pipe temp T3 33 Outdoor ambient temp T4 34 Compressor discharge temp TP The display value is between 30 129 degree If the temp is lower than 30 degree the digital display tube will show 30 If the temp is higher than 99 degree the digital display tube will show single digit...

Страница 93: ...E button to select DRY mode 2 Press the UP DOWN button to select the desired temperature The temperature setting range is from 62 F to 86 F in one degree increments NOTE The blower is preset at a low speed and cannot be changed therefore it will get cold and most likely will over shoot the temperature setting by 6 10 degrees depending on the room size or other various factors Also the Follow Me mo...

Страница 94: ...tate properly Indoor unit responds to remote controller 19 7 Double Check Pipe Connections During operation the pressure of the refrigerant circuit will increase This may reveal leaks that were not present during your initial leak check Take time during the Test Run to double check that all refrigerant pipe connection points do not have leaks Using remote control return unit to the normal operatin...

Страница 95: ...FF Fast Flash IGBT over current or IPM over current Fast Flash Fast Flash Fast Flash Control chip communication error Slow flash Flashing at 1Hz Fast flash Flashing at 2Hz Table 8 Multi Zone Outdoor Unit Display Error Description E0 Outdoor unit EEPROM error E2 Communication error between outdoor unit and all indoor units E3 Communication error between outdoor unit main control and IPM control E4 ...

Страница 96: ...times Flash Mode conflict 7 times Flash P6 Compressor high or low pressure switch open Table 10 Indoor Unit Fault Codes 09 30 48 Running Light Short Flashes State of Timer Light Display Description 1 time OFF E0 Indoor unit EEPROM error 2 times OFF E1 Communication error between indoor and outdoor units 4 times OFF E3 Indoor fan speed error 5 times OFF E4 Indoor return air temperature sensor error...

Страница 97: ...tailed error codes See 20 Quick Reference Guide Error Codes on page 95 for error codes These outdoor units do not have a SW1 spot check push button switch Diagnostic is performed through a series of blue red and green LEDs NOTE The control on all single zone outdoor units is mounted with all LEDs down and cannot be seen unless the control is removed Figure 64 Typical Location of Outdoor Unit LEDs ...

Страница 98: ...C N 3 1 C N 1 C 36 R f an R 411 R 96 R 232 R 171 R 170 R 169 R 146 R 129 R 107 R 106 R 103 R 102 R 94 R 79 R 78 R 75 R 73 R 70 R 67 R 62 R 56 R 37 R 36 R 35 R 30 R 28 R 20 R 19 R 15 R 9 Q 11 Q 1 L2 I C 15 I C 13 E31 E23 D Z21 D Z16 D Z11 D Z3 D 36 D 31 D 6 D 4 C N 31 C 97 C 84 C 81 C 77 C 76 C 74 C 65 C 64 C 62 C 60 C 59 C 58 C 45 C 43 C 40 C 38 C 34 C 31 C 46 _ 1 _1 C 51 R 65 R 66 I C 1 E28 E17 E...

Страница 99: ...404 C 90 R 177 J5 R136 R135 R 134 R104 D 12 D 10 C 54 D 8 R 178 R175 I C 31 I C 21 C 73 R 106 C 405 C 404 D407 R114 DZ2 I C 16 I C 6 R 130 C 504 D Z504 E502 DZ502 C 502 E503 DZ503 C 503 E11 DZ5 DZ3 DZ1 D Z4 D 9 R 57 R 20 C 242 C 243 C 244 R 109 R 58 R61 R 60 R 59 C 70 C 45 C 46 C 71 C 44 C 62 R 110 E9 E7 C 41 C 72 C51 C 50 C 31 R 605 R 602 R 606 R 601 R 603 R 604 FAN I PM E8 C 414 R508 R 507 C N 4...

Страница 100: ...I C 19 I C 18 I C 17 I C 16 I C 15 I C 14 I C 13 I C 12 I C 10 I C 9 I C 8 I C 7 I C 6 I C 5 I C 2 I C 1 FU SE2 5A 250V FU SE1 T30A 250V E21 E20 E19 E16 E14 E13 E11 E9 E8 E5 E4 E3 E1 D SP1 D SA1 D 28 D 27 D 26 D 25 D 24 D 23 D 22 D 21 D 20 D 19 D 18 D 17 D 16 D 15 D 14 D 13 D 12 D 11 D 10 D 9 D 8 D 7 D 6 D 5 D 3 D 2 D 1 C O N debug C N 44 H EAT2 C N 43 FAN C N 42 C C N 41 C C N 40 H EAT1 C N 34 C ...

Страница 101: ...heck the states of the unit when it is operational The digital display will toggle through he states when SW1 is pressed Figure 69 Typical Location of LEDs and SW1 18K and 30K Multi Zone Outdoor Units Figure 70 Typical Location of LEDs and SW1 36K and 48K Multi Zone Outdoor Units ...

Страница 102: ...s not receive feedback from EEPROM chip EEPROM a read only memory whose contents can be erased and reprogrammed using a pulsed voltage For the location of EEPROM chip please refer to the photo Outdoor EEPROM malfunction Power off then restart the unit 3 minutes later Yes Does the problem still exist Yes Replace the outdoor main PCB ...

Страница 103: ...ly No Measure Vs is it moving alternately between positive value and negative value Vs is the voltage between 3 and 2 Refer Pic 1 No A Is all the wiring between terminals and indoor PCB connected correctly No No Reconnect the wiring Yes Change the Indoor PCB Yes Power on by remote controller it is still displaying the error code after 3 minutes No Yes Turn off all of the indoor units Is IPM power ...

Страница 104: ...The red pin of multimeter connects with 2 port while the black pin is for 3 port When unit is normal running the voltage will move alternately between positive value and negative value Self Check OK Power some modles Opera ng Power some models IPM for 2 zone 3 zone Main board LED when power on and unit standby ...

Страница 105: ...105 Error Code E2 continued Check point button press 1 time to check how many indoor units are connected ...

Страница 106: ...ain board Is there at least one LED in the IPM board light No Check the signal wire between the IPM module and the main board is it con nected correctly No Reconnect and retry Does error still display Yes Replace IPM board and then check whether the system operates normally No Replace outdoor main board and then check whether the system operates normally No Replace the electric control box Problem...

Страница 107: ...multimeter to test the DC voltage between black pin and white pin of signal wire The normal value should be around 5V Use a multimeter to test the DC voltage between black pin and red pin of signal wire The normal value should be around 12V ...

Страница 108: ...temp sensor T2 General Note Error displays if voltage is lower than 0 06V or higher than 4 94V Check the connections between tempera ture sensor and PCB Are the connec tions good Yes No No Correct the connections Check the resistance value of the sensor via Appendix 1 and Appendix 2 Yes Replace indoor or out door PCB Is it normal No Replace the sensor ...

Страница 109: ...ly the voltage between L1 and L2 range min 187 253VAC max Yes Check whether the voltage of IPM board P and N is normal 277 356VDC for 18 30KBtu h 277 410VDC for 36KBtu h No Replace bridge rectifiers and then check whether the system operates normally Only for 4 zone MPA036 MLA036 units No Replace IPM board and then check for normal unit operation No Replace outdoor main board Problem Solved Yes Ye...

Страница 110: ...110 Error Code E5 continued IPM for 4 zone P N for 2 zone and 3 zone IPM for 2 zone and 3 zone ...

Страница 111: ...111 Error Code E5 continued P N for 4 zone Bridge rectifier for 2 zone and 3 zone Bridge rectifier for 4 zone ...

Страница 112: ...rn off PFC module protection Check that the connecting wiring between main board and the PFC module is con nected tightly Yes Check the voltage range between P N on IPM module is normal 277 356VDC for 18 30KBtu h 277 410VDC for 36KBtu h No Check if the inductance of the PFC module is good If the inductor is good the resistance value of the two ports is 0 Yes Replace the PFC module Problem Solved Y...

Страница 113: ...113 Error Code E6 continued Two terminals of the inductor Inductor ...

Страница 114: ...utes later Is it still displaying the error code Yes Shut off the power supply and inspect all components for damage Rotate the fan by hand the Fan should offer little resis tance when manually spun Wheel and shaft should spin evenly and balanced Yes Check all wiring connections Yes Check main PCB see index 1 The unit operates normally No Yes Replace the fan motor Make necessary corrections No Cor...

Страница 115: ...etween pin1 pin3 pin4 pin3 at fan motor connector If the value of the voltage is not in the range shown in below table the PCB faulty and should be replaced Table 11 DC Motor Voltage Input and Output No Color Signal Voltage 1 Red Vs Vm 200 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 5V Vs Vcc Vsp FG ...

Страница 116: ... the sampling voltage is not 5V the LED will display the failure Check the connections between tempera ture sensor and PCB Are the connec tions good Yes No No Correct the connections Check the resistance value of the sensor via Appendix 1 and Appendix 2 Yes Replace indoor or out door PCB Is it normal No Replace the sensor ...

Страница 117: ... 0 Yes Make necessary corrections No Replace high pressure protection switch No Check the outdoor ambient temperature The outdoor ambient temperature should not be higher than 50 C or 122 F No Stop the unit Yes Check if the outdoor unit ventilation is good Yes Make corrections to allow for proper ventilation No Check if the outdoor fan runs properly See Error code E8 to properly diag nose outdoor ...

Страница 118: ...118 Error Code P1 continued ...

Страница 119: ...e resistance of the low pressure protector if the protector is normal the value is 0 Yes Connect it properly No Replace low pressure protector No Check whether the outdoor ambient temperature is to low No Stop the unit Yes Check whether the high pressure valve is opened Yes Fully open the high pressure valve No Check if the indoor fan runs properly in cooling mode Refer to the solution of fan spee...

Страница 120: ...120 Error Code P2 continued ...

Страница 121: ...ck whether the outdoor ambient temperature is higher than 50 C or 122 F No Replace outdoor main board No Stop the unit Yes Check if outdoor unit has proper ventilation No Correct poor ventilation to outdoor unit Yes Check outdoor coils Outdoor coils should be clean and free of any debris Clean outdoor coils Yes No Judge 5 The refrigerant pipe is blocked Recover refrigerant and remove restriction s...

Страница 122: ...122 Error Code P3 continued ...

Страница 123: ...discharge temp is more than 239 F 115 C No Check whether the connection is right between com pressor discharge temp sensor and PCB according to wiring diagrams Check whether the refrigerant is leak Yes Stop leaking and add refrigerant Yes No Correct the wiring connection No Yes Measure the resistance value of compressor dis charge temp sensor If the value is not normal is normal refer to the Appen...

Страница 124: ...ppendix 1 Replace the temperature sensor No Yes Yes Check whether the outdoor ambi ent temperature is higher than 122 F 50 C Switch unit off until ambient tem perature is within normal operating parameters Yes No Is there sufficient airflow across outdoor unit coils Remove obstruction or increase ventilation path airflow No Remove remaining refrigerant charge pressure test and locate leak Add corr...

Страница 125: ...rmal Use the multi meter to measure the resistance between each two terminals check whether there is the condi tion that value of resistance is 0 Replace the bridge rectifiers No Yes Check whether the wir ing of each reactor is correct Check whether the PFC module broken Replace the wiring or reactor or replace the PFC module for M4OC 36HRFN1 M No No Connect it tightly unit oper ates correctly No ...

Страница 126: ...ly type MANUAL Display digital tube Figure 71 Cassette Unit Display 24 2 Ducted Unit Display ION indication lamp optional function This lamp illuminates when clean air feature is activated Defrost Indication Lamp for cooling and heating models only Lights up when the air conditioner starts defrosting automatically or when the warm air controls feature is activated in heating operation Operation In...

Страница 127: ... the air conditioner starts defrosting automatically or when the warm air controls feature is activated in heating operation Operation Indication Lamp This lamp illuminates when the air conditioner is in operation Timer Indication Lamp Lights up during timer operation Temperature Indicator Displays the temperature settings when the air conditioner is operational Also displays error codes Figure 73...

Страница 128: ...issing or not making contact Need to make sure the two pin to making contact with the jumper The Cap Adapter board Error Code E0 Description Indoor Unit EEPROM malfunction General Note PCB main chip does not receive feedback from EEPROM chip E0 Shut off the power supply and turn it on 1 min ute later Is it still displaying the error code If the EEPROM chip is soldered on PCB re place the PCB Other...

Страница 129: ...outdoor main board Is there at least one LED in the IPM board light No Check the signal wire between the IPM module and the main board is it con nected good No Reconnect and retry Is error still display No Replace IPM board and then check whether the system can run normally No Replace outdoor main board and then check whether the system can run nor mally No Replace the electric control box Problem...

Страница 130: ...multimeter to test the DC voltage between black pin and white pin of signal wire The normal value should be around 5V Use a multimeter to test the DC voltage between black pin and red pin of signal wire The normal value should be around 12V ...

Страница 131: ...om the main PCB Is the voltage cor rect Yes Replace the electric control box Yes No Remove obstruction No Correct the connections No Replace the main PCB Yes Replace the fan motor No 1 Indoor DC fan motor Control Chip is in Fan Motor 2 Turn power on and while the unit is on standby measure the voltage between pin1 and pin3 as well as between pin4 and pin3 in fan motor connector If the value of the...

Страница 132: ...her than 4 94V the LED will display the error Temperature sensor error Check the connections between tempera ture sensor and PCB Are the connec tions good Yes No No Correct the connections Check the resistance value of the sensor via Appendix 1 and Appendix 2 Yes Replace indoor or out door PCB Is it normal No Replace the sensor ...

Страница 133: ...6V or higher than 4 94V the LED will display the error Check the connections between tempera ture sensor and PCB Are the connec tions good Yes No No Correct the connections Check the resistance value of the sensor via Appendix 1 and Appendix 2 Yes Replace indoor or out door PCB Is it normal No Replace the sensor ...

Страница 134: ...peration the system shuts down and the error code displays For this formula Tcool the T2 temperature at startup T2 Tcool 3 6 F 2 C EC Power off then restart the unit in 2 min utes Yes Yes Check the T2 sensor Is it functioning Check to see if cool air is blowing out of the indoor air outlet No Yes Replace the indoor PCB Check for refrigerant leaks No Yes Repair leaks and re charge system Check for ...

Страница 135: ... display the failure Power off then restart the unit 3 minutes later Is it still displaying the error code If the water level switch is inserted well Yes No No Insert the water level switch well If the water level switch is broken Replace the water pump If malfunction is still not solved Replace the indoor main PCB Yes Replace the water level switch ...

Страница 136: ...utdoor ambient temperature is higher than 50 C or 122 F No Replace outdoor main board No Stop the unit Yes Check if outdoor unit has proper ventilation No Correct poor ventilation to outdoor unit Yes Check outdoor coils Outdoor coils should be clean and free of any debris Clean outdoor coils Yes No Judge 5 The refrigerant pipe is blocked Recover refrigerant and remove restriction s Perform proper ...

Страница 137: ...6V or higher than 4 94V the LED will display the error Check the connections between tempera ture sensor and PCB Are the connec tions good Yes No No Correct the connections Check the resistance value of the sensor via Appendix 1 and Appendix 2 Yes Replace indoor or out door PCB Is it normal No Replace the sensor ...

Страница 138: ... 0 06V or higher than 4 94V the LED will display the error Check the connections between tempera ture sensor and PCB Are the connec tions good Yes No No Correct the connections Check the resistance value of the sensor via Appendix 1 and Appendix 2 Yes Replace indoor or out door PCB Is it normal No Replace the sensor ...

Страница 139: ...ge temp is more than 115 C No Check whether the connection is right between com pressor discharge temp sensor and PCB according to wiring diagrams Check whether the refrigerant is leak Yes Stop leaking and add refrigerant Yes No Correct the wiring con nection No Yes Measure the resistance value of compressor dis charge temp sensor If the value is not normal is normal refer to the Appendix 2 Replac...

Страница 140: ...PROM a read only memory whose contents can be erased and reprogrammed using a pulsed voltage For the location of EEPROM chip please refer to the below photos Outdoor EEPROM malfunction Power off then restart the unit 3 minutes later Yes Does the problem still exist Outdoor PCB M3OC 30HRFN1 M Yes Replace the outdoor main PCB ...

Страница 141: ...e unit 3 minutes later Is it still displaying the error code Yes Shut off the power supply and inspect all components for damage Rotate the fan by hand the Fan should offer little resis tance when manually spun Wheel and shaft should spin evenly and balanced Yes Check all wiring connections Yes Check main PCB see index 1 The unit operates normally No Yes Replace the fan motor Make necessary correc...

Страница 142: ...6V or higher than 4 94V the LED will display the error Temperature sensor error Check the connections between tempera ture sensor and PCB Are the connec tions good Yes No No Correct the connections Check the resistance value of the sensor via Appendix 1 and Appendix 2 Yes Replace indoor or out door PCB Is it normal No Replace the sensor ...

Страница 143: ...eck whether the bridge rectifiers are normal Use the multimeter to measure the resistance between each two terminals check whether there is the condition that value of resistance is 0 Replace the bridge rectifiers No Yes Check whether the wiring of each reactor is correct Replace the wiring or reactor or replace the PFC module No No Connect it tightly unit operates correctly No Yes Replace the IPM...

Страница 144: ...144 Error Code P0 continued P U P V ...

Страница 145: ...145 P W P N ...

Страница 146: ...ower supply the voltage between L L1 and N L2 range min 187 max 253VAC Yes Check whether the voltage of IPM board P and N is normal 277 356VDC for 18 30KBtu h 277 410VDC for 36KBtu h No Replace bridge rectifiers and then check whether the system can run normally Only for 4 zone No Replace IPM board and then check for normal unit operation No Replace outdoor main board Problem Solved Yes Yes Check ...

Страница 147: ...it properly wired No No Yes Measure the resistance between the two ports of the OLP Is it zero Yes Replace the outdoor control PCB No Replace the OLP Ensure a proper connection Yes Error Code P3 Description Outdoor unit low temperature lockout General Note The outdoor unit will lockout if when in heating mode when the outdoor temperature is lower than 13 F 25 C for 1 hour the indoor unit display e...

Страница 148: ...tion E8 No Yes Check the compressor resistance values Replace the compressor No Yes Replace the outdoor main PCB Error Code P5 Description Mode conflict General Note The indoor units cannot work cooling mode and heating mode at the same time Heating mode has priority Suppose indoor unit A working in cooling mode or fan mode and indoor unit B is set to heating mode then A will change to off and B w...

Страница 149: ...tor if the protector is normal the value is 0 Yes Make necessary corrections No Replace high pressure protection switch No Check the outdoor ambient temperature The outdoor ambient temperature should not be higher than 50 C or 122 F No Stop the unit Yes Check if the outdoor unit ventilation is good Yes Make corrections to allow for proper ventilation No Check if the outdoor fan runs properly See F...

Страница 150: ...ector is normal the value is 0 Yes Connect it properly No Replace low pressure protector No Check whether the outdoor ambient temperature is to low No Stop the unit Yes Check whether the high pressure valve is opened Yes Fully open the high pressure valve No Check if the indoor fan runs properly in cooling mode Refer to the solution of fan speed mal function E8 Find out the cause correct it No Yes...

Страница 151: ...151 Error Code P6 continued ...

Страница 152: ... 242 6 117 0 38991 28 4 2 39 8239 100 4 38 5 62961 172 4 78 1 25423 244 4 118 0 37956 30 2 1 37 1988 102 2 39 5 39689 174 2 79 1 2133 246 2 119 0 36954 32 0 35 2024 104 40 5 17519 176 80 1 17393 248 120 0 35982 33 8 1 33 3269 105 8 41 4 96392 177 8 81 1 13604 249 8 121 0 35042 35 6 2 31 5635 107 6 42 4 76253 179 6 82 1 09958 251 6 122 0 3413 37 4 3 29 9058 109 4 43 4 5705 181 4 83 1 06448 253 4 12...

Страница 153: ...2 8 96 8 36 34 32 168 8 76 7 82 240 8 116 2 357 26 6 3 211 4 98 6 37 32 94 170 6 77 7 566 242 6 117 2 294 28 4 2 200 7 100 4 38 31 62 172 4 78 7 321 244 4 118 2 233 30 2 1 190 5 102 2 39 30 36 174 2 79 7 086 246 2 119 2 174 32 0 180 9 104 40 29 15 176 80 6 859 248 120 2 117 33 8 1 171 9 105 8 41 28 177 8 81 6 641 249 8 121 2 061 35 6 2 163 3 107 6 42 26 9 179 6 82 6 43 251 6 122 2 007 37 4 3 155 2...

Страница 154: ...20 C 68 F MPB012S4S 1P ASN98D22UFZ 2 25 Ω 20 C 68 F MPA009S4S 1L MPA009S4S 1P ASM98D1UFZA 1 81Ω 20 C 68 F MPA018S4S 1P ASM135D23UFZ 1 75Ω 20 C 68 F MPB018S4S 1P ASM135D23UFZ 1 65 Ω 20 C 68 F MPA024S4S 1P DA250S2C 30MT 0 55Ω 20 C 68 F MPB024S4S 1P ATF235D22UMT 0 75 Ω 20 C 68 F MPA030S4S 1P TNB306FPGMC L 0 53Ω 20 C 68 F MPB030S4S 1P ATF250D22UMT 0 65 Ω 20 C 68 F MPA036S4S 1P TNB306FPGMC L 0 53Ω 20 C...

Страница 155: ...IPM Check Measure the resistance value of each winding by using the tester Turn off the power let the large capacity electrolytic capacitors discharge completely and dismount the IPM Use a digital tester to measure the resistance between P and UVWN UVW and N Table 16 Normal Resistance Values Digital Tester Normal Resistance Value Digital Tester Normal Resistance Value Red Black Several MΩ Red Blac...

Страница 156: ...ayang 206Ω 8 20 C Brand Weiling 190Ω 8 20 C Brand Wolong Measure the resistance value of each winding by using the tester Figure 77 Terminals Table 18 Resistance Value Position Resistance Value YDK70 6FB YDK180 8GB YSK27 4G YSK68 4B YDK45 6B YSK25 6L YDK53 6FB B Black Red 56Ω 8 20 C 24 5Ω 8 20 C 317Ω 8 20 C 145Ω 8 20 C 345Ω 8 20 C 627Ω 8 20 C 88 5Ω 8 20 C Red Yellow 76Ω 8 20 C 19Ω 8 20 C 252Ω 8 20...

Страница 157: ...it is 0V When the unit operates in heating it is about 230VAC If the value of the voltage is not in the range the PCB must have problems and needs to be replaced Figure 78 Measure Voltage b Turn off the power use a digital tester to measure the resistance The value should be 1 8 2 5 KΩ Figure 79 Measure Resistance ...

Страница 158: ... 29 5 EXV Check Disconnect the connectors Figure 80 Connector Pin Out Table 19 Resistance Color of lead wire Normal Value Red Blue About 50Ω Red Yellow Brown Orange Brown White Figure 81 Connector Pin Out ...

Страница 159: ...tection function against current voltage and temperature If these protections happened the corresponding code will display on indoor unit LED and A C will stop The unit will recover three minute delay after the protection disappeared 30 3 Low Voltage Protection If the low voltage protection occurs and not resumes within 3 minutes it will keep the protection always after restart the machine 30 4 Co...

Страница 160: ...65 C for three seconds the compressor will stop while the indoor fan and outdoor fan will continue When T3 125 6 F 52 C the protection will release and the compressor will restart after three minutes Outdoor Unit Anti Freezing Protection When T2B 32 F 0 C for 250 seconds the indoor unit capacity demand will be zero and resume to normal when T2B 50 F 10 C Running Rules 1 If the compressor frequency...

Страница 161: ...erature T4 Cooling 29 C 18 C to 29 C 17 C 84 2 F 64 4 F to 84 2 F 62 6 F Modify Rate 100 60 40 When there is more than one indoor unit Outdoor Temperature T4 Cooling 25 C 17 C 25 C 17 C 77 F 62 6 F 77 F 62 6 F Modify Rate 100 80 40 NOTE The final result is integer In low ambient cooling mode modify rate is fixed as 40 According to the final capacity request to confirm he operating frequency as fol...

Страница 162: ...3 1 1 3 1 2 0 b c d e f 2 Capacity Area a b c d e f Norm Code N 3 2 1 5 1 5 0 Model 9K 12K 18K HP 1 0 1 2 1 5 Outdoor Temperature T4 Heating 0 C 12 C 12 C to 17 C 17 C 32 F 53 6 F 53 6 F to 77 F 62 6 F Modify Rate 120 80 40 20 When there more than one indoor unit Outdoor Temperature T4 Heating 0 C 12 C 12 C to 17 C 17 C 32 F 53 6 F 53 6 F to 62 6 F 62 6 F Modify Rate 120 100 80 60 NOTE The final r...

Страница 163: ...temperature sensor T30 Minimum value of T3 during 10 to 15 minutes of runtime time period Defrost mode begins when any one of the following conditions are met 1 After 29 minutes of runtime T3 19 4 F 7 C and T3 4 5 F 2 5 C T30 2 After 35 minutes of runtime T3 23 F 5 C and T3 5 4 F 3 C T30 3 After 40 minutes of runtime T3 11 2 F 24 C for 3 minutes 4 After 120 minutes of runtime T3 5 F 15 C 31 3 Defr...

Страница 164: ... time T3 23 F and T3 5 4 F is still less than or equal to T30 2 hours have passed and T3 5 F This formula depends on humidy The higher the humidity the more frequent the defrost cycles With no humidity there will be less frost build up Defrost is a function of humidity After 29 min utes of run time T3 19 4 F and T3 5 4 F is still less than or equal to T30 After 40 minutes of run time T3 11 2 F 31 ...

Страница 165: ...2 Heating Mode Normally the system will choose the running fan speed according to ambient temperature T4 E DC_FAN_SSLOW_SPD_ADD D DC_FAN_SLOW_SPD_ADD C DC_FAN_MIN_SPD_ADD B DC_FAN_MID_SPD_ADD A DC_FAN_HI_SPD_ADD 21 19 18 16 15 13 12 10 31 6 Four Way Valve Control In heating mode four way valve is opened In defrosting four way valve operates in according to defrosting action In other modes four way...

Страница 166: ...ch indoor s T2B with the average the outdoor gives the following modification commands If the T2B average the relevant valve needs more 16p open If the T2B average the relevant valve s open range remains If the T2B average the relevant valve needs more 16p close This modification will be carried out every 2 minutes 31 7 2 Heating mode The initial open angle of EXV is 250P adjustment range is 100 3...

Страница 167: ...Units 79 Outdoor Unit 77 Control Board Photos 75 D DC Fan Motor Speed Error Outdoor Unit 114 Defrost Control 163 Defrost Termination 164 Defrost Therory 163 Dimensions M22A Indoor Unit 21 M33A and M33B Indoor Unit 22 MCFA and MCFB Indoor Units 33 MMDA Indoor Unit 28 Multi Zone Outdoor Units 17 MWMA and MWMB Indoor Units 31 Single Zone Outdoor Units 16 Discharge Temperature Sensor Resistance Values...

Страница 168: ...Temperature Sensor T3 T5 138 R Remote Wired 85 Wireless 82 Return Air Temperature Sensor 132 S Specifications M22A 19 M33A and M33B 20 MCFA and MCFB Indoor Units 32 MMDA 24 MWMA and MWMB Indoor Units 30 Spot Check Outdoor Unit 91 Start Up 90 T Temperature Sensor Error 108 Temperature Sensor ID Table 154 Temperature Sensor Resistance Values 152 Temperature Sensor T4 Error Outdoor Unit 137 Troublesh...

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