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Comfortstar                                                          Service manual for 13seer Cooling Only Condensing 

2

1. Description Of Products & Fearures

1.1

Summary

The main components of Condensing UnitS

Sroll compressor with high efficiency, better reliability, super-quiet operation;

High efficiency heat exchanger with inner groove copper pipe, inserting aluminum fin;

The expansion valve can maintain heating capacity.

Painted and zinc-gilt metal parts with corrosion protection

Compressor overload protection

1.2

Condensing Unit Outline

Top discharge air flow with low noise.

Smaller body with high efficiency .

With ULcertification.

Effortless Installation.

Annular outdoor unit,Fast heat dispersion and Powful cooling(heating)

Beautiful outline with powerful antiseptics ability.

Reliable and steady operation.

1.3

Working Principle

MIA series (Cooling only ) condensing unit

 Service Valve
of Gas Pipe

Heat
Exchanger

Indoor

Centrifugal
Fan

Compressor

Filter

 Service Valve
of Liquid Pipe

Liquid

Separator

Heat
Exchanger

Axial Flow Fan

Outdoor

Filter

Expansion Valve or Piston

Fig.1 Working Principle Diagram of Cooling only Condensing Unit 

Summary of Contents for MIA18-13

Page 1: ...Service Manual MIA Series Condensing Units Cooling Only 1 5 tons to 5 tons...

Page 2: ...1 Contents 1 Description of Products Fearures 2 Physical And Electrical Specifications 3 Safety Caution 4 Application 5 Installation Instructions 6 Maintenance Instructions 7 Service And Troubleshooti...

Page 3: ...rload protection 1 2 Condensing Unit Outline Top discharge air flow with low noise Smaller body with high efficiency With ULcertification Effortless Installation Annular outdoor unit Fast heat dispers...

Page 4: ...sor and compressed the high temperature and high pressure gas is discharged into heat exchanger of outdoor unit heating exchanges with air of outside and turns into the refrigerant liquid the liquid i...

Page 5: ...45 0 50 0 Compressor Type Maker ROTARY ROTARY ROTARY SCROLL SCROLL SCROLL SCROLL Model Number 2K21S236A6E 2K28S236A6H QP348KBB ZR30KC PFV 522 ZR36KC PFV 522 ZR42K3 PFV 522 ZR54K3 PFV 522 RLA Rated Lo...

Page 6: ...0 50 50 100 100 100 100 Outdoor above Indoor Unit 50 50 50 100 100 100 100 Indoor above Outdoor Unit 40 40 40 60 60 60 60 Refrigerant Connection Type Jointing Jointing Jointing Jointing Jointing Joint...

Page 7: ...ditioner for extended periods Do not climb on or place objects on the air conditioner POWER SUPPLY Adequate power supply adequate cross section of wire Please consult it with distributor and professio...

Page 8: ...cooling function 86 115 Min cooling function 61 55 Low ambient control kit should be installed when temperature lower than 55 Table1 Unit Dimensions inch Model 18 24 30 42 48 60 length 24 28 28 29 5 H...

Page 9: ...to deliver treated air along the perimeter of the space If they are too small for their intended air flow the become noisy If they are not located properly they cause drafts on the occupants in the ro...

Page 10: ...with national and local wiring regulation Quality of installation can affect its operation It is forbidden to fix the unit by users themselves please contact dealer for repair It must be fixed and ad...

Page 11: ...eeded to hang the unit along the four directions In order to avoid the excursion the angle between the ropes should be less than 40o It is shown as follow 40 Fig 4 Condensing Unit Hoisting Sketch 5 4...

Page 12: ...good oil return to the compressor it is important to pitch the horizontal suction line toward the compressor approximately 1 2 for every 10 of line 5 5 Line Insulation Suction line requires insulatio...

Page 13: ...2 1 1 8 1 2 3 3 5 6 7 8 9 10 11 Table 4 The factory charge is sufficient for 25 feet of standard liquid line For longer or shorter liquid line lengths adjust the charge as follows 3 8 Liquid line 0 6...

Page 14: ...educes performance The presence of moisture in a system can render it inoperable in a very short time Proper evacuation assures a dry uncontaminated system Here is the recommended evacuation procedure...

Page 15: ...cord or the extension cord and do not connect many devices to one AC outlet It could cause a fire or an electric shock due to defective contact defective insulation exceeding the permissible current e...

Page 16: ...t is running in the right direction 4 Turn fan switch to AUTO Turn system switch to COOL and turn temperature setting below room temperature Unit should run in cooling mode 5 Check to see if compresso...

Page 17: ...he accumulator The oil is drawn out through a special port inside the accumulator 9 Refrigerant vapor flows through the suction line to the intake of the compressor The cycle then repeats Electrical T...

Page 18: ...r 2 Loosening the bolts of the compressor 3 Disengage the Discharge pipe from the vent of the Compressor 4 Disengage the suction pipe from the inspiratory end of the compressor 5 Put the new compresso...

Page 19: ...irst 2 Connect the pressure gauge to the service vavle you can get the result of the vacuum from the lower pressure gauge 3 Turn on the vacuum pump 4 When the vacuum reaching 1 0kgf cm2 continue 0 5 1...

Page 20: ...nstruction Air non condensable or moisture in system Recover refrigerant evacuate recharge add filter drier Incorrect voltage At compressor terminals voltage must be within 10 of rating plate volts wh...

Page 21: ...ressures Incorrect capillary tubes Change coil assembly Blocked outdoor coil Clear away leaves and other debris Refrigerant overcharge Correct system charge Condenser fan not running Repair or replace...

Page 22: ...Comfortstar Service manual for 13seer Cooling Only Condensing 16 8 Wiring Diagram 8 1 Exterior Wiring Diagram Fig6 8 2 Interior Wiring Diagram Fig7...

Page 23: ...d Block 01722121 1 6 Axial Flow Fan 10358203 1 7 Compressor 2K21S236A6E 00100234 1 8 Base Plate Sub Assy 01208226 1 9 Filter 07210032 1 10 Bidirectional flter 07220016 1 11 Cut off Valve 5 8 07138234...

Page 24: ...ompressor 2K21S236A6E 00100233 1 8 Base Plate Sub Assy 01208226 1 9 Filter 07210031 1 10 Bidirectional flter 07220016 1 11 Cut off Valve 5 8 07138234 1 12 Cut off Valve 3 8 07138232 1 13 Pressure swit...

Page 25: ...4 1 9 filter 07210037 1 10 Bidirectional flter 07220016 1 11 Cut off Valve 3 4 07138233 1 12 Cut off Valve 3 8 07138232 1 13 4 way tie in 06642036 1 14 Pressure switch 460200155 1 15 Cabinet 01318206...

Page 26: ...Sub Assy 01208232 1 9 filter 07210037 1 10 Bidirectional flter 07220016 1 11 Cut off Valve 3 4 07138233 1 12 Cut off Valve 3 8 07138232 1 13 4 way tie in 06642036 1 14 Cabinet 01318206 1 15 Tube exit...

Page 27: ...al flter 07220016 1 11 Cut off Valve 3 4 07138233 1 12 Cut off Valve 3 8 07138232 1 13 4 way tie in 06642036 1 14 Cabinet 01318206 1 15 Tube exit plate 01388210 1 16 Electric box cover 01418231 1 17 C...

Page 28: ...ter 07219056 1 10 Bidirectional flter 07220016 1 11 Cut off Valve 1 1 8 07138236 1 12 Cut off Valve 1 2 07138235 1 13 Cabinet 01318206 1 14 Tube exit plate 01388208 1 15 Electric box cover 01418231 1...

Page 29: ...lter 07219056 1 10 Bidirection Strainer 07220016 1 11 Tube Clip 021400055 1 12 Cut off Valve 1 1 8 07138236 1 13 Cut off Valve 1 2 07138235 1 14 Cabinet 01318206 1 15 Tube exit plate 01388208 1 16 Ele...

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