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Content

Precaution .................................................................................................................... 1

1.1

Safety Precaution ...................................................................................................................... 1

1.2

Warning ..................................................................................................................................... 1

Function ....................................................................................................................... 3

Dimension .................................................................................................................... 5

3.1

Indoor unit.................................................................................................................................. 5

3.2

Outdoor unit ............................................................................................................................... 6

Specification ................................................................................................................ 7

Refrigerant cycle diagram......................................................................................... 11

Operation limits ......................................................................................................... 12

6.1

Cooling operation..................................................................................................................... 12

6.2

Heating operation .................................................................................................................... 12

Schematic diagram and Wiring diagram ................................................................. 13

7.1

Schematic diagram .................................................................................................................. 13

7.2

Wiring diagram......................................................................................................................... 14

Installation details...................................................................................................... 19

8.1

Wrench torque sheet for installation......................................................................................... 19

8.2

Connecting the cables ............................................................................................................. 19

8.3

Pipe length and the elevation................................................................................................... 19

8.4

Air purging of the piping and indoor unit .................................................................................. 20

8.5

Pumping down (Re-installation) ............................................................................................... 21

8.6

Re-air purging (Re-installation) ................................................................................................ 22

8.7

Balance refrigerant of the 2-way, 3-way valves........................................................................ 23

8.8

Evacuation ............................................................................................................................... 24

8.9

Gas charging ........................................................................................................................... 25

Capacity table ............................................................................................................ 26

9.1

MSG-07CRN2.......................................................................................................................... 26

9.2

MSG-07HRN2.......................................................................................................................... 26

9.3

MSG-09CRN2.......................................................................................................................... 27

9.4

MSG-09HRN2.......................................................................................................................... 27

9.5

MSG-12CRN2.......................................................................................................................... 28

9.6

MSG-12HRN2.......................................................................................................................... 28

9.7

MSG-16CRN2.......................................................................................................................... 29

9.8

MSG-16HRN2.......................................................................................................................... 29

9.9

MSG-18CRN2.......................................................................................................................... 30

9.10

MSG-18HRN2.......................................................................................................................... 30

9.11

MSG-21CRN2.......................................................................................................................... 31

9.12

MSG-21HRN2.......................................................................................................................... 31

10.

Electronic function .................................................................................................... 32

10.1

Electronic control working environment ................................................................................... 32

Содержание MSG-07CRN2

Страница 1: ...MSG 07CRN2 MSG 07HRN2 MSG 09CRN2 MSG 09HRN2 MSG 12CRN2 MSG 12HRN2 MSG 16CRN2 MSG 16HRN2 MSG 18CRN2 MSG 18HRN2 MSG 21CRN2 MSG 21HRN2...

Страница 2: ......

Страница 3: ...allation 19 8 2 Connecting the cables 19 8 3 Pipe length and the elevation 19 8 4 Air purging of the piping and indoor unit 20 8 5 Pumping down Re installation 21 8 6 Re air purging Re installation 22...

Страница 4: ...estart function 39 10 14 Anion optional 39 11 Model and Parameters 40 12 Troubleshooting 41 12 1 Display board 41 12 2 Troubleshooting 42 12 3 Diagnostic chart 43 12 4 Resetting phenomenon often occur...

Страница 5: ...Be sure the installation area does not deteriorate with age If the base collapses the air conditioner could fall with it causing property damage product failure and personal injury Do not let the air...

Страница 6: ...tional Do not expose the skin directly to cool air for long periods of time Do not sit in the draft This could harm to your health Do not use the product for special purposes such as preserving foods...

Страница 7: ...each operation mode The unit will decide the louver direction according to operation mode Two direction air vane The fan is turn to low speed cooling heating The unit will be turn off after seven hour...

Страница 8: ...or unit run more quietly Low noise air flow system The hydrophilic fin can improve the heating efficiency at operation mode Hydrophilic aluminum fin It is only operated in the heating operation mode e...

Страница 9: ...Service manual 5 3 Dimension 3 1 Indoor unit Dimension Mode W H L 7K 750 250 188 9K 750 250 188 12K 750 250 188 16K 906 286 235 18K 906 286 235 21K 906 286 235...

Страница 10: ...6 3 2 Outdoor unit Dimension Mode W H D L1 L2 L3 7K 700 535 235 458 280 540 9K 700 535 235 458 280 540 12K 780 540 250 530 315 590 16K 760 590 285 540 335 615 18K 760 590 285 540 335 615 21K 845 695 3...

Страница 11: ...1020 960 900 1100 1020 950 m3 h 430 400 370 430 400 370 470 440 410 dB A 35 32 30 35 32 30 36 32 30 Model YDK24 6T YDK24 6T YDK24 6T Brand Welling Welling WELLING Input W 70 70 70 Capacitor uF 3 3 3...

Страница 12: ...0 1050 1250 1150 1050 m3 h 470 440 410 500 450 400 500 450 400 dB A 36 32 30 40 36 34 40 36 34 Model YDK24 6T YDK25 6C YDK25 6C Brand Welling WELLING WELLING Input W 70 68 68 Capacitor uF 3 2 5 2 5 Sp...

Страница 13: ...100 1000 m3 h 800 770 740 800 770 740 800 770 740 dB A 42 40 38 42 40 38 42 40 38 Model YDK36 6 YDK36 6 YDK36 6 Brand WELLING WELLING WELLING Input W 96 96 96 Capacitor uF 2 5 F 450V 2 5 F 450V 2 5 F...

Страница 14: ...1000 m3 h 800 770 740 800 770 740 800 770 740 dB A 42 40 38 41 37 35 41 37 35 Model YDK36 6 YDK53 6KB YDK53 6KB Brand WELLING WELLING WELLING Input W 96 150 150 Capacitor uF 2 5 F 450V 3 0 F 450V 3 0...

Страница 15: ...Service manual 11 5 Refrigerant cycle diagram Cooling only Heat pump mode...

Страница 16: ...t from the continuous operation under constant air temperature conditions However excludes the initial pull down stage 6 2 Heating operation Indoor air temp DB Outdoor unit air temp DB Note The chart...

Страница 17: ...Service manual 13 7 Schematic diagram and Wiring diagram 7 1 Schematic diagram...

Страница 18: ...e MSG 07CR MSG 09CR MSG 12CR 1 2 N COMPRESSOR CAPACITOR R E D O U T D O O R U N I T O V E R L O A D R E L A Y Y G C O M P R E S S O R S C B L U E R B L A C K R E D B L A C K INDOOR UNIT FAN CAPACITOR...

Страница 19: ...1 2 N COMPRESSOR CAPACITOR R E D O U T D O O R U N I T O V E R L O A D R E L A Y Y G C O M P R E S S O R S C B L U E R B L A C K R E D B L A C K INDOOR UNIT FAN CAPACITOR R E D Y G F A N M O T O R Y...

Страница 20: ...E TRANSFORMER DISPLAY BOARD SWITCH BOARD CN12 CN9 COMPRESSOR RELAY CURRENT DETECTOR WHITE CN1 CN4 BROWN BLUE CN14 CN2 1 2 N COMPRESSOR CAPACITOR R E D O U T D O O R U N I T O V E R L O A D R E L A Y Y...

Страница 21: ...Service manual 17 7 2 2 MSG 07HR MSG 09HR MSG 12HR...

Страница 22: ...Service manual 18 MSG 16HR MSG 18HR MSG 21HR...

Страница 23: ...5 2 5 Grade 8 3 Pipe length and the elevation Standard length Max Max Additional m Elevation Elevation refrigerant Btu h GAS LIQUID B m A m g m 3 8 9 52 1 4 6 35 5 5 10 30 1 2 12 7 1 4 6 35 5 5 10 30...

Страница 24: ...eck the flare connection for gas leakage 4 Purge the air from the system Set the 2 way valve to the open position and remove the cap from the 3 way valve s service port Using the hexagonal wrench to p...

Страница 25: ...charge hose with the push pin to the gas service port 4 Air purging of the charge hose Open the low pressure valve on the charge set slightly to purge air from the charge hose 5 Set the 2 way valve to...

Страница 26: ...1 minutes repeat 3 times After purging the air use a torque wrench to tighten the flare nut to on the 2 way valve 4 Check the gas leakage Check the flare connections for gas leakage 5 Discharge the r...

Страница 27: ...he service port 3 Open the valves Low side on the charge set and discharge the refrigerant until the gauge indicates 0 05 to 0 1 Mpa If there is no air in the refrigeration cycle the pressure when the...

Страница 28: ...has moved toward 0 1 Mpa 76 cmHg vacuum of 4 mmHg or less 3 Close the valve Low side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approximately 5 minutes...

Страница 29: ...e specified amount of refrigerant if can be charged with a little at a time approximately 150g each time0 while operating the air conditioner in the cooling cycle however one time is not sufficient wa...

Страница 30: ...1 85 1 71 1 58 1 47 1 37 15 C W Sensitive capacity kW 1 44 1 38 1 29 1 20 1 13 1 05 Input kW 0 67 0 70 0 73 0 79 0 88 0 91 24 C D Total capacity kW 2 13 2 04 1 90 1 80 1 68 1 55 17 C W Sensitive capac...

Страница 31: ...2 00 1 87 1 73 15 C W Sensitive capacity kW 1 82 1 75 1 64 1 52 1 43 1 34 Input kW 0 86 0 90 0 94 1 02 1 13 1 17 24 C D Total capacity kW 2 71 2 58 2 42 2 28 2 13 1 96 17 C W Sensitive capacity kW 1...

Страница 32: ...2 69 2 52 2 33 15 C W Sensitive capacity kW 2 46 2 36 2 21 2 05 1 92 1 80 Input kW 1 14 1 20 1 25 1 35 1 50 1 55 24 C D Total capacity kW 3 64 3 48 3 25 3 07 2 86 2 64 17 C W Sensitive capacity kW 2...

Страница 33: ...3 60 3 36 3 12 15 C W Sensitive capacity kW 3 28 3 15 2 95 2 74 2 57 2 40 Input kW 1 56 1 64 1 71 1 85 2 05 2 12 24 C D Total capacity kW 4 87 4 65 4 35 4 11 3 83 3 53 17 C W Sensitive capacity kW 3...

Страница 34: ...6 3 83 3 58 3 32 15 C W Sensitive capacity kW 3 50 3 35 3 14 2 91 2 74 2 56 Input kW 1 62 1 71 1 78 1 92 2 13 2 20 24 C D Total capacity kW 5 18 4 95 4 63 4 37 4 08 3 76 17 C W Sensitive capacity kW 3...

Страница 35: ...1 4 05 3 79 3 52 15 C W Sensitive capacity kW 3 70 3 55 3 33 3 08 2 89 2 71 Input kW 1 78 1 88 1 96 2 11 2 35 2 42 24 C D Total capacity kW 5 48 5 24 4 90 4 63 4 31 3 98 17 C W Sensitive capacity kW 4...

Страница 36: ...IRESTORE Amp self protection return value THDEFROST High wind defrosting temperature difference TMDEFROST Middle wind defrosting temperature difference TLDEFROST Low wind defrosting temperature differ...

Страница 37: ...ss 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 returns to normal operation automatically 10 4 5 The current p...

Страница 38: ...ing mode T evaporator temp TE5 T EVAP temp up EVAP temp down TE6 Compressor and outdoor fan on Compressor and outdoor fan off after 5 mins 10 7 Dehumidifying mode 10 7 1 The 4 way valve is off in dehu...

Страница 39: ...1 Generally the 4 way valve is open in heating mode but it is closed in defrosting mode 4 way valve must delay 2 minutes compared with compressor if the compressor changed into non heating mode or tu...

Страница 40: ...The louver opens to Standard Angle ANGLHEAT when power is on for the first time 10 9 Defrosting mode available for heating mode Defrosting condition Defrosting starts when either of the following A a...

Страница 41: ...frost the fourth defrost time should be 10 minutes The circulation is as following Ending condition of defrosting If one of following conditions is satisfied end the defrost and turn into heating mode...

Страница 42: ...ose fan mode is set as low the A C operates at the DRY mode with a set temp of 24 10 11 3 All protections of remote control cooling are available at forced cooling operation 10 11 4 Forced Auto functi...

Страница 43: ...an only mode the condition will be the same after the air conditioner running under economic mode after 2 hours and during the next time the set temp do not change The total time is 7 hours after 7 ho...

Страница 44: ...00 200 ANGLHEAT 0 0 0 ANGLOFF 124 124 124 124 124 124 THDEFROST 16 C 14 C 14 C TMDEFROST 17 C 15 C 15 C TLDEFROST 18 C 16 C 16 C Model MSG 16CR MSG 16HR MSG 18CR MSG 18HR MSG 21CR MSG 21HR I3SEC A 16...

Страница 45: ...icator illuminates then TIMER is set ON PRE DEF indicator For cooling heating mode only The air conditioner starts defrosting automatically if outdoor unit frosts in heating operating At this time PRE...

Страница 46: ...or occurs 4 times X EEROM error On No over zero signal r Extinguish Flash at 5Hz For heat pump mode Failure phenomenon Operation lamp Timer lamp Defrosting lamp Over current protection of the compress...

Страница 47: ...Service manual 43 12 3 Diagnostic chart After energizing no indicator is lighted and the air conditioner can t be operated...

Страница 48: ...That is automatically entering to the status when power is on The reason is that the instantaneous voltage of main chip is less than 4 5V Check according to the following procedure 12 5 Operation lamp...

Страница 49: ...12 8 Operation lamp on and Timer lamp flashes EEROM error indoor PCB is defective 12 9 Operation lamp flashes Timer lamp flashes This is alarm signal when the main chip can t detect over zero signal...

Страница 50: ...25 10 52 3 1918 1 37 1988 26 9 5507 53 3 0707 0 35 2024 27 9 1245 54 2 959 1 33 3269 28 8 7198 55 2 8442 2 31 5635 29 8 3357 56 2 7382 3 29 9058 30 7 9708 57 2 6368 4 28 3459 31 7 6241 58 2 5397 5 26...

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