ComfortStar MIA18-13 Service Manual
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ComfortStar MIA18-13 Service Manual

Mia series condensing units cooling only 1.5 tons to 5 tons
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Service Manual

MIA Series
Condensing Units
Cooling Only
1.5 tons to 5 tons

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Summary of Contents for ComfortStar MIA18-13

  • Page 1: Service Manual

    Service Manual MIA Series Condensing Units Cooling Only 1.5 tons to 5 tons...

  • Page 2: Table Of Contents

    Comfortstar Service manual for 13seer Cooling Only Condensing 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 Troubleshooting 8. Wiring Diagrams 9. Explosive Diagram And Spare Parts List...

  • Page 3: Description Of Products & Fearures

    Comfortstar Service manual for 13seer Cooling Only Condensing 1. Description Of Products & Fearures 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;...
  • Page 4 Comfortstar Service manual for 13seer Cooling Only Condensing The working principle diagram of the Air Conditioner is shown above in fig.1. When the system operates in cool mode, the low temperature and low pressure refrigerant gas from the heat exchanger of the indoor unit is sucked by compressor and compressed, the high temperature and high...

  • Page 7: Application

    Comfortstar Service manual for 13seer Cooling Only Condensing 3．Warning Before operating the Air Conditioner, read this manual thoroughly and operate accordingly. “CAUTION” and “DANGER” have the following meanings with these instructions: DANGER This mark indicates improper operation might lead to serious injury for the users.

  • Page 8: Unit Dimensions

    Comfortstar Service manual for 13seer Cooling Only Condensing Removing this heat does not affect a thermometer. However, removing the heat held in the moisture in the air greatly increase comfort. A properly sized unit removes both forms of heat, producing a comfortable living space.

  • Page 9: Installation Instructions

    Comfortstar Service manual for 13seer Cooling Only Condensing 3°in the return duct and 4°in the supply duct. This can reduce the cooling capacity of an air conditioning system by as much as 30%.This means a loss of almost one ton of cooling capacity from a three ton system.
  • Page 10 Comfortstar Service manual for 13seer Cooling Only Condensing Avoid having lawn sprinkler heads spray directly on the unit cabinet. In coastal areas, locate the unit on the side of the building away from the waterfront. Shielding provided by fence or shrubs may give some protection.

  • Page 11: Refrigerant Piping

    Comfortstar Service manual for 13seer Cooling Only Condensing Floor ｍｍ Floor Fig.3. Installation Position of Outdoor Unit When removing the outdoor unit, two ropes are needed to hang the unit along the four directions. In order to avoid the excursion, the angle between the ropes sho uld be less than .
  • Page 12 Comfortstar Service manual for 13seer Cooling Only Condensing Fig5 Only refrigeration-grade copper piping (dehydrated and sealed) should be used. Take extreme care to keep the refrigerant tubing clean and dry prior to and during installation. If in doubt, blow out the tubing with dry nitrogen to remove any chips or debris before connection.
  • Page 13 Comfortstar Service manual for 13seer Cooling Only Condensing combination of the unit size and the maximum refrigerant line length. Refrigerant Line Sizing Refrigerant Line Length (Ft) Unit Size 0 – 50 50 – 100 100 – 250 (Ton) Line Outside Diameter (In)

  • Page 14: Charging The System

    Comfortstar Service manual for 13seer Cooling Only Condensing Instructions on the field tubing connections and valve opening procedure are as follow: 1.Tubing should be cut square. Make sure it is round and free of burrs at the connecting ends. Clean the tubing to prevent contamination from entering the system.
  • Page 15 Comfortstar Service manual for 13seer Cooling Only Condensing 4.Temporarily install thermometer on suction (large) line near condensing unit. Be sure of good contact between thermometer and line. Wrap thermometer with insulating material to assure accurate reading. 5.Refer to Table 5 for proper system superheat. Add charge to lower superheat. Remove charge to raise superheat.
  • Page 16 Comfortstar Service manual for 13seer Cooling Only Condensing circuit ampacity. Copper Wire Size - AWG (1% Voltage Drop) Supply Circuit Supply Wire Length - Ft Ampacity Table6: Minimum Wire Size Based on N.E.C. for 60 C Type Copper Conductors Below 100 Ampacity.

  • Page 17: Maintenance Instructions

    Comfortstar Service manual for 13seer Cooling Only Condensing Mechanical . the operation sequence as follows: The compressor pumps out high pressure ,superheated refrigerant vapor. The vapor leaves the compressor and passes through the reversing valve. It flows through the outdoor vapor line to the finned outdoor coil. Air from the outdoor fan removes heat from the refrigerant vapor .When enough heat is removed ,the vapor condenses into a high pressure...

  • Page 18: Service And Troubleshooting

    Comfortstar Service manual for 13seer Cooling Only Condensing Maintenance after the using season: 4) Clean the body of the outdoor; 5) Proper protection of the outdoor; 6) Turn off the power supply. Notice When testing the piping system,do not mix the Oxygen and Acetylene into the piping system.
  • Page 19 Comfortstar Service manual for 13seer Cooling Only Condensing immediately and make leak hunting. Processing: 1） Charge Nitrogen 20.0kgf/cm into the system; 2） Check the joint of the pipes with suds,mark the leaking point; 3） When all of the checking finished,charge more Nitrogen (1.0~3.0kgf/cm ) then welding the leaking point;...

  • Page 20: Troubleshooting

    Comfortstar Service manual for 13seer Cooling Only Condensing Enough time for Vacuumizing ? yes ? no other Whether the pressure coming back after 1 hour ? yes ? no other holding Whether need more refrigeration ? yes ? no other...
  • Page 21 Comfortstar Service manual for 13seer Cooling Only Condensing within 10% of rating plate volts when unit is running. Low voltage condition Add start kit components Run capacitor defective Replace Loose connection Check and tighten all connections. Fan stuck, grounded or open motor Wait for 2 hours for overload to reset.

  • Page 22: Wiring Diagrams

    Comfortstar Service manual for 13seer Cooling Only Condensing 8. Wiring Diagram 8.1 Exterior Wiring Diagram: Fig6 8.2 Interior Wiring Diagram： Fig7...
  • Page 23 Comfortstar Service manual for 13seer Cooling Only Condensing 9. Explosive view And Spare Parts List 9.1 18K & 24K 9.1.1 Exposive view Fig8 10.1.2 Spare parts list MIA18-13 discription Part No. Qty. Bolt 70318204 Cover Plate 01258248 Fan motor SW120C...
  • Page 24 Comfortstar Service manual for 13seer Cooling Only Condensing Capacitor CBB65 35uF/450V 33010743 TUV(VDE) Connection Sheet Sub-Assy 01342105 distributor 06644443 Condenser 01152101 Side plate 01312120 MIA24-13 discription Part No. Qty. Bolt 70318204 Cover Plate 01258248 Fan motor SW120C 15702101 Ripple Pipe...
  • Page 25 Comfortstar Service manual for 13seer Cooling Only Condensing 9.2 30K 9.2.1 Explosive view Fig9 9.2.2 Spare parts list MIA30-13 discription Part No. Qty. Bolt 70318204 Cover Plate 01258210 Motor SW150D 15702101 Ripple Pipe 05278205 Fixed Block 10378211 Axial fan 10358211...
  • Page 26 Comfortstar Service manual for 13seer Cooling Only Condensing 9.3 36K&42K 9.3.1 Explosive view Fig10 9.3.2 Spare parts list MIA36-13 discription Part No. Qty. Bolt 70318204 Cover plate 01258210 Motor SW150D 15702101 Ripple Pipe 05278205 Fixed Block 10378211 Axial fan 10358211...
  • Page 27 Comfortstar Service manual for 13seer Cooling Only Condensing MIA42-13 discription Part No. Qty. Bolt 70318204 Cover plate 01258210 Motor SW150D 15702101 Ripple Pipe 05278205 Fixed Block 10378211 Axial fan 10358211 Compressor ZR30KC-PFV-522 00108721 Base Plate Sub-Assy 01208232 filter 07210037 Bidirectional flter...
  • Page 28 Comfortstar Service manual for 13seer Cooling Only Condensing 9.4.2 Spare parts list MIA48-13 discription Part No. Qty. Bolt 70318204 Cover plate 01258210 Motor SW210B 15702103 Ripple Pipe 05278205 Fixed Block 10378211 Axial fan 10358211 Compressor ZR42K3-PFV-522 00202107 Base Plate Sub-Assy...
  • Page 29 Comfortstar Service manual for 13seer Cooling Only Condensing 9.5.2 Spare parts list MIA60-13 discription Part No. Qty. Bolt M10× 25 70210231 Cover Plate 01262202P Centrifugal Fan 10358212 Fan Motor SW300C 15702204 Motor Mounting Plate Sub-Assy 01322218P Bolt M8× 25 70210084...

This manual is also suitable for:

Mia30-13Mia24-13Mia42-13Mia48-13Mia60-13Mia36-13

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