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MCAC-ATSM-2014-01

R410A Mini Split Chiller 50Hz

5

c. Metallic protective cabinet with rustproof plyester paint.
d. Built-in with voltage protection, current protection, anti-freezing protection, differential water flow
protection

，

compressor

，

water pump and fan motor overload protection and etc., effectively guarantee

the system to work safety.

4.4

Convenient and simple installation

With international popular split design, the pump box can be installed inside the matched room and its

outdoor unit is compact and light.

Expansion tank

Plate heat exchanger

Water pump

Water flow switch

4.5

Wired controller KJRM-120D/BMK-E(Standard)

The setting and operation order can be send to the main board and the running condition can be

displayed by the wired controller. It can connect max. 16PCBs. It is available for all Midea air cooled scroll
chillers. The MODBUS gateway can be customized, it is available by communication port X,Y and E in wired
controller.

Item

Description

Item

Description

1

Operation icon

9

Water temperature

2

Mode area

10

On/Off key

3

Setting temperature

11

Right, left right key

4

Timing On/Off

12

OK key

5

Function icon

13

Setting key

6

On-line unit Qty. indication

14

Add, reduce key

7

Reserved

15

Cancel key

8

Clock

16

Reserved key

Compressor
current protection

Phase protection
signal output

«
...
3
4
5
6
7
...
»

Содержание MGA-D10/N1

Страница 1: ...ions 12 8 Service Space 13 9 Piping Diagram 14 10 Wiring Diagrams 15 11 Electric Characteristics 17 12 Capacity Tables 18 13 Operation Limits 26 14 Hydraulic Performance 28 15 Sound Levels 29 16 Explo...

Страница 2: ...pe Digital scroll Heat pump CE SBX N1 01 220 240 1 50 MGA D12 N1 R410A 12 Plate type Digital scroll Heat pump CE SBX N1 01A 220 240 1 50 MGA D14 SN1 R410A 14 Plate type Digital scroll Heat pump CE SBX...

Страница 3: ...M G A D 14 S N1 Refrigerant N1 R410A Power supply S 380 415V 50Hz 3Ph 220 240V 50Hz 1Ph Capacity 14kW Compressor type D Digital scroll compressor F Fixed scroll compressor Product series code A Split...

Страница 4: ...system no need cooling water tower packaged design easy for installation 4 3 Energy saving and high reliability a By adopting Copeland digital scroll compressor the capacity can be stepless adjusted...

Страница 5: ...ater pump Water flow switch 4 5 Wired controller KJRM 120D BMK E Standard The setting and operation order can be send to the main board and the running condition can be displayed by the wired controll...

Страница 6: ...n motor is six pole electric motor with built in thermal cut out Evaporator in the water pump box The heat exchanger is made of AISI 316 stainless steel to ensure high heat exchange efficiency complet...

Страница 7: ...MCAC ATSM 2014 01 R410A Mini Split Chiller 50Hz 7 Outdoor unit MGA D10 N1 MGA D12 N1 MGA D14 SN1 MGA D16 SN1 Water pump box...

Страница 8: ...elling Input Hi Lo W 326 200 185 120 2 Capacitor uF 10uF 5 450V 5uF 450V Speed Hi Lo r min 740 530 860 610 Outdoor condenser coil Number of rows 2 2 Tube pitch a x row pitch b mm 25 4 22 25 4 22 Fin s...

Страница 9: ...Liquid side mm 9 53 9 53 Gas side mm 19 19 Pipe diameter Water inlet outlet mm DN32 DN32 Controller Wired controller KJRM 120D BMK E Ambient temperature Cooling 10 43 Cooling 10 43 Heating 15 24 Heat...

Страница 10: ...Number of rows 2 3 Tube pitch a x row pitch b mm 25 4 22 25 4 22 Fin spacing mm 1 5 1 5 Fin type Hydrophilic aluminum Hydrophilic aluminum Tube outside diameter and type mm 9 53 9 53 Inner grooved tu...

Страница 11: ...controller KJRM 120D BMK E Ambient temperature Cooling 10 43 Cooling 10 43 Heating 15 24 Heating 15 24 Note The specification is based on the following conditions 1 Cooling mode ambient temperature 35...

Страница 12: ...AC ATSM 2014 01 12 7 Dimensions 7 1 Outdoor unit Unit mm Dimensions Model A B C D E MGA D10 N1 990 966 340 624 366 MGA D12 N1 940 1250 340 600 376 MGA D14 SN1 940 1250 340 600 376 MGA D16 SN1 940 1250...

Страница 13: ...MCAC ATSM 2014 01 R410A Mini Split Chiller 50Hz 13 8 Service Space...

Страница 14: ...agram Remark No Name No Name No Name 1 Compressor 6 Capillary 11 Liquid receiver 2 High pressure switch 7 Liquid receiver 12 Low pressure switch 3 4 way valve 8 Plate heat exchanger 13 Crankcase heate...

Страница 15: ...MCAC ATSM 2014 01 R410A Mini Split Chiller 50Hz 15 10 Wiring Diagrams 10 1 MGA D10 N1...

Страница 16: ...R410A Mini Split Chiller 50Hz MCAC ATSM 2014 01 16 10 2 MGA D12 N1 10 3 MGA D14 SN1 MGA D16 SN1...

Страница 17: ...8 7 54 34 8 10A MGA D12 N1 220 240 1 50 5 0 23 2 147 0 37 1 6 0 5 2 2 5 8 27 7 63 35 1 10A MGA D14 SN1 380 415 3 50 5 75 9 8 82 4 0 37 1 6 0 5 2 2 6 62 13 6 8 6 17 7 10A MGA D16 SN1 380 415 3 50 5 75...

Страница 18: ...7 11 0 11 3 Pa kW 3 3 3 3 3 4 3 4 3 5 3 5 Pat kW 3 8 3 8 3 9 3 9 4 0 4 0 Qev m3 h 1 7 1 7 1 8 1 9 1 9 2 0 Pev kPa 40 5 41 3 45 0 48 0 48 6 51 0 40 Pf kW 9 4 9 7 10 0 10 3 10 6 11 0 Pa kW 3 6 3 6 3 7...

Страница 19: ...4 2 4 2 4 3 4 3 4 3 Pat kW 4 8 4 8 4 8 4 9 4 9 4 9 Qev m3 h 2 0 2 0 2 1 2 1 2 2 2 2 Pev kPa 33 8 37 1 40 6 43 2 46 1 48 0 40 Pf kW 10 9 11 2 11 5 11 8 12 1 12 4 Pa kW 4 5 4 5 4 5 4 6 4 6 4 6 Pat kW 5...

Страница 20: ...4 6 4 6 4 7 4 7 4 7 Pat kW 5 1 5 1 5 1 5 2 5 2 5 2 Qev m 3 h 2 3 2 4 2 4 2 5 2 5 2 5 Pev kPa 40 8 43 5 44 2 46 9 47 8 48 3 40 Pf kW 12 5 12 8 13 1 13 4 13 7 14 0 Pa kW 5 1 5 1 5 1 5 2 5 2 5 2 Pat kW 5...

Страница 21: ...4 9 4 9 5 0 5 0 5 0 Pat kW 5 7 5 7 5 7 5 8 5 8 5 8 Qev m3 h 2 6 2 6 2 7 2 7 2 8 2 8 Pev kPa 50 8 53 1 55 8 58 1 61 2 63 2 40 Pf kW 13 9 14 2 14 5 14 8 15 1 15 2 Pa kW 5 3 5 3 5 3 5 4 5 4 5 4 Pat kW 6...

Страница 22: ...4 7 Pat kW 4 6 4 9 5 2 5 5 Qc m 3 h 2 2 2 2 2 2 2 2 Pc kPa 37 2 35 8 34 5 33 1 10 Pt kW 12 3 12 2 12 1 12 0 Pa kW 3 9 4 2 4 5 4 8 Pat kW 4 7 5 0 5 3 5 1 Qc m 3 h 2 3 2 3 2 3 2 3 Pc kPa 40 5 40 0 39 2...

Страница 23: ...kW 4 7 5 0 5 3 5 6 Qc m 3 h 2 4 2 4 2 4 2 4 Pc kPa 44 0 43 6 43 1 42 8 10 Pt kW 15 2 15 1 15 0 14 9 Pa kW 4 0 4 3 4 6 4 9 Pat kW 4 8 5 1 5 4 5 7 Qc m 3 h 2 5 2 5 2 5 2 5 Pc kPa 38 0 37 6 37 2 37 0 15...

Страница 24: ...kW 4 9 5 3 5 8 6 3 Qc m 3 h 2 8 2 8 2 8 2 8 Pc kPa 31 2 31 1 31 0 31 0 10 Pt kW 17 6 17 5 17 4 17 4 Pa kW 4 2 4 6 5 1 5 6 Pat kW 5 0 5 4 5 9 6 4 Qc m 3 h 3 1 3 1 3 1 3 1 Pc kPa 36 4 36 2 36 0 35 9 15...

Страница 25: ...kW 5 1 5 5 6 0 6 5 Qc m 3 h 2 9 2 9 2 9 2 9 Pc kPa 30 2 30 1 30 0 30 0 10 Pt kW 18 7 18 6 18 5 18 4 Pa kW 4 4 4 8 5 3 5 8 Pat kW 5 2 5 6 6 1 6 6 Qc m 3 h 3 2 3 2 3 2 3 2 Pc kPa 35 4 35 2 35 0 34 8 15...

Страница 26: ...0 96 0 955 cQ 1 1 02 1 04 1 075 1 11 1 14 cdp 1 1 07 1 11 1 18 1 22 1 24 cPf correction factor refrigerating capacity cQ correction factor flow rate cdp correction factor pressure drop Note 1 During w...

Страница 27: ...ower input correction factor 13 3 Minimum water volume Model MGA D10 N1 MGA D12 N1 MGA D14 SN1 MGA D16 SN1 Minimum water volume L 43 50 60 68 If the total water volume in the system is less than the v...

Страница 28: ...nger pressure drop water side Model Water flow m 3 h 0 8 1 0 1 2 1 4 1 6 1 8 2 0 l sec 0 222 0 278 0 333 0 389 0 444 0 500 0 556 MGA D10 N1 Pressure drop kPa 26 29 33 37 42 46 50 Model Water flow m 3...

Страница 29: ...Levels MGA D10 N1 MGA D12 N1 MGA D14 SN1 MGA D16 SN1 Microphone Outdoor Unit H 1 0m Note H 0 5 height of outdoor unit Note The point A is in the middle of the whole outdoor panel Model Noise level dB...

Страница 30: ...R410A Mini Split Chiller 50Hz MCAC ATSM 2014 01 30 16 Exploded Views 16 1 MGA D10 N1 Matched water pump box CE SBX N1 01...

Страница 31: ...ss y 1 7 22 Power supply wire 1 28 Discharge temp sensor ass y 1 7 23 Main control board ass y 1 29 Discharge temp sensor 1 7 24 Outdoor communication cable 1 Water pump box CE SBX N1 01 No Part Name...

Страница 32: ...R410A Mini Split Chiller 50Hz MCAC ATSM 2014 01 32 16 2 MGA D12 N1 Matched water pump box CE SBX N1 01A...

Страница 33: ...xing ring 1 10 1 Low pressure valve 1 31 Rear support board II 1 Water pump box CE SBX N1 01A No Part Name Quantity No Part Name Quantity 1 Up covering plate 1 18 2 Branch pipe 2 2 Water inlet pipe as...

Страница 34: ...R410A Mini Split Chiller 50Hz MCAC ATSM 2014 01 34 16 3 MGA D14 SN1 Matched water pump box CE SBX SN1 01...

Страница 35: ...way valve ass y 1 31 Rear support board II 1 Water pump box CE SBX SN1 01 No Part Name Quantity No Part Name Quantity 1 Up covering plate 1 18 2 Branch pipe 2 2 Water inlet pipe ass y 1 18 3 Screw 1 2...

Страница 36: ...R410A Mini Split Chiller 50Hz MCAC ATSM 2014 01 36 16 4 MGA D16 SN1 Matched water pump box CE SBX SN1 01A...

Страница 37: ...lve ass y 1 31 Rear support board II 1 Water pump box CE SBX SN1 01A No Part Name Quantity No Part Name Quantity 1 Up covering plate 1 18 2 Branch pipe 2 2 Water inlet pipe ass y 1 18 3 Screw 1 2 1 Pi...

Страница 38: ...e Malfunction E0 Water flow test malfunction P0 Current protection E1 Power phase sequence malfunction P1 High pressure protection E2 Indoor outdoor unit communication checking channel is abnormal P2...

Страница 39: ...utlet water 10 Water flow switch gets faulty Yes Check the water system and clean the filter Yes Check the water pump and repair or replace it if necessary No Yes Check the water flow switch and repai...

Страница 40: ...er supply lacks phase Check whether the phase order of 3 phase power supply is incorrect Yes Check the power supply and power wire Yes Exchange the power wire of any two phases No LED indicates E2 Che...

Страница 41: ...he inlet water temperature sensor is broken see whether the resistance of inlet water temperature sensor is wrong No Yes Replace the inlet water temperature sensor LED indicates E4 Check whether the w...

Страница 42: ...hether the outlet water temperature sensor is broken see whether the resistance of outlet water temperature sensor is wrong No Yes Replace the outlet water temperature sensor LED indicates E6 Check wh...

Страница 43: ...exchanger temperature sensor 1 is broken see whether the resistance of plate heat exchanger temperature sensor is wrong No Yes Replace the plate heat exchanger temperature sensor 1 LED indicates E8 Ch...

Страница 44: ...is blocked by sundries Yes Clear the sundries to ensure smooth discharge Check whether the condenser coil fin gets dirty No Yes Clean the condenser No Check whether the ambient temperature is too high...

Страница 45: ...the refrigerant No Check whether the power voltage is too low For 1 phase unit power voltage 198V for 3 phase unit 342V Yes Check and repair the power supply No Check whether air outlet is blocked by...

Страница 46: ...ether the outdoor ambient temperature is too high Yes Stop the unit No Check whether the outdoor unit is bad ventilation Yes Make the outdoor unit ventilate well No Check whether the heat exchanger is...

Страница 47: ...s too low No The refrigerant of the system leakage Yes Validate Connect the pressure gauge to the gauge joint of the system check whether the pressure is lower than 0 15MPa The refrigerant pipe is blo...

Страница 48: ...heck whether the sequence of the four temperature sensor kits in the water pump is wrong connected No Yes Fix it well Check whether outdoor ambient temperature is too high Compressor motor gets faulty...

Страница 49: ...ature sensor kit at the plate heat exchanger side gets faulty Yes Replace the temperature sensor kit The heat exchange of water side is insufficient No Yes Clean the water side heat exchanger or pipe...

Страница 50: ...troller displays P4 Refer to the P4 to solve the problem LED indicates Pb Check whether the circulation water is insufficient Q 0 6 Qrated Yes Check the water system and make adjustment Check whether...

Страница 51: ...or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Do not touch...

Страница 52: ...long enough to allow positioning of the lifting slings and safety pins in the feet on the unit To avoid the slings damaging the unit place protection between the slings and the unit Position the unit...

Страница 53: ...sure there is no any dirt or water in the piping before connecting it to the outdoor unit Please clean the piping with high pressure nitrogen rather than refrigerant of outdoor unit e Vacuuming with...

Страница 54: ...oosen the joint nut of stop valve A a little 3 For 3 5m s piping turn the valve rod of B anticlockwise to 45 for about 6 7seconds After the air is expelled from A fasten the joint nut of stop valve A...

Страница 55: ...e is much salty ingredients There is caustic gas such sulfide in the air The copper tubes and welding parts will be rusted and damaged causing refrigerant to leak There is mineral oil cooking oil or g...

Страница 56: ...oid it weighing on the unit It is recommended that the following devices are installed in the water circuit of the evaporator A hydraulic safety valve shall be mounted in water system which should ope...

Страница 57: ...drain cock outside the unit and all the installation and terminal air vent valves Size and position of connections Model MGA D10 N1 MGA D12 N1 MGA D14 SN1 MGA D16 SN1 Water inlet outlet R5 4 R5 4 R5...

Страница 58: ...against short circuits and leakage to earth isolating the installation from other equipment phase units the unbalance between the phases must not exceed 3 If these parameters are not respected contac...

Страница 59: ...VV 450 750 5 4 0 mm 2 For outdoor unit 10 5 12 14 16kW Water flow controlling wire 1 AWG24 7 core shielding wire Between outdoor unit and water pump box Temp Sensor signal wire shielding wire 1 RVV 30...

Страница 60: ...tance Service maintenance plan must be observed with an annual service which includes the following operations and checks Filling of the water circuit Presence of air bubbles in the water circuit Effi...

Страница 61: ...it must be completely emptied before being refilled The R410A refrigerant must only be filled in the liquid state Operating conditions other than nominal conditions may produce considerably different...

Страница 62: ...ay when the electric auxiliary heating water function is operated 4 Check Display when check function is operated 5 Anti freezing Display when the main unit ambient temperature is below 2 to remind th...

Страница 63: ...g press this key for 3 seconds and enter to spot checking 14 Add Reduce key Setting water temperature timing water level etc during spot check they are used to read over 0 15 units 15 Cancel key Durin...

Страница 64: ...s the hour of Timer 1 On press the or to adjust press key when finished and then the minute of the clock will flash it means the current setting is the minute of Timer 1 On press the or to adjust pres...

Страница 65: ...mer 1 to be 07 10 and O ff time of Timer 1 Off to be 12 30 then back to the main page Finish setting the On time of Timer 1 to be 07 10 and Off time to be 12 30 then enter the setting of Timer 2 Wheth...

Страница 66: ...ur of the clock will flash it means the current setting is the hour of the clock press the or to adjust press key when finished and then the minute of the clock will flash it means the current setting...

Страница 67: ...tton The address range 0 15 therefore 16 wired controller could be parallel at most Operation method Press Constraint two button for 3 seconds to enter the wired remote address selection Press or key...

Страница 68: ...hat means the corresponding outdoor unit has error or protection at that time and then can spot check the last 1 2 3 times error or protection of this outdoor unit After clear the error or protection...

Страница 69: ...ure of wired controller 10 C 43 C 3 Operating RH of wired controller RH 40 RH90 20 1 8 Main functions of this wired controller as follows 1 Touch key operation 2 LCD displays operation parameters 3 Mu...

Страница 70: ...mation such as temperature value timing In the startup status press this button once and the startup indicator led goes off and transmits the shutdown information Operation mode button In the power of...

Страница 71: ...ays the last fault information and the protection information when query is conducted on fault and protection information 2 outdoor pipe temperature T3A protection Error outlet water temperature Tou c...

Страница 72: ...vious modular will display if the current modular is 0 and the previous one is 15 Press this button for minus address at wire address setting mode If the wired controller address is 0 press this key w...

Страница 73: ...dure of water temperature setting 1 Press TEMP SET button of wired controller when background light is on 2 Press ADDRESS or ADDRESS button you can select the water temperature Temperature range is no...

Страница 74: ...t alarm handing 1 When unit fails or the wire controller detects failure of communication with the the outdoor units the indicator blinks After all fault of the system and the wire controller are elim...

Страница 75: ...he timing startup function 5 Real time clock function the wired controller inner place 3V battery When the wired controller is powered on the LCD will display the current time if it is powered off the...

Страница 76: ...nly one unit is connected The wiring procedure and principles are shown in the figure P Black Q Gray E Yellow Y X Outdoor electric control box Communicate with upper unit reserved Please use 3 cord wi...

Страница 77: ...SET Set Period 1 end hour ADDRESS ADDRESS or Set Period 1 end minute ADDRESS ADDRESS or Set Period 1 mode ADDRESS ADDRESS or Set Period 1 temperature ADDRESS ADDRESS Set Timer Period 2 or ADDRESS Set...

Страница 78: ...ording to memorized status before power failure in order to ensure that the unit can run in the originally set status after restoration of the power supply 2 In the normal status the background light...

Страница 79: ...nstall it correctly or will damage the control panel or battery even worse will put lives at risk Note The gateway will be used with wired controller together The LONWORKS gateway can be use independe...

Страница 80: ...41164 4 44 36 6 13059 76 1 34105 116 0 4006 3 41 5878 37 5 87359 77 1 29078 117 0 38991 2 39 8239 38 5 62961 78 1 25423 118 0 37956 1 37 1988 39 5 39689 79 1 2133 119 0 36954 0 35 2024 40 5 17519 80...

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