Midea SM CKS2852X Top Mounted Refrigerator User Manual

Service Manual_2018-V2.0
Service Manual
COMPACT SERIES

SM CKS2852X Top Mounted Refrigerator

The picture in this service manual is only for reference, and specific appearance and configuration are subject to the real product.
This manual mainly teaches the method, the specific work skill needs engineer to accumulate through the daily work.

WARNING
Important Safety Notice
There are special components used in this equipment which are important for safety. These parts are marked by in the Schematic Diagrams, Circuit Board Diagrams, Exploded Views and Replacement Parts List. It is essential that these critical parts should be replaced with manufacturer’s specified parts to prevent shock, fire or other hazards. Do not modify the original design without permission of manufacturer.

WARNING
Important Safety Notice
The Maintenance Manual is only for the use of maintenance personnel with certain experience and background in electrical, electronic and mechanical field.
Any attempt to repair main devices may lead to personal injury and property loss.
Manufacturers or distributors are not responsible for the content of the Manual and interpretation thereof.

Midea Refrigerators
Technical Maintenance Manual
Copyright @2017
All rights reserved. Replication of all or part of the Manual in any forms shall not be allowed without written approval by the Overseas Sales Corporation of Midea Refrigerators.

Significant update notes (None)

Safety Warning Code

2.1 Warning for operation safety
Important Safety Instructions

CAUTION
RISK OF ELECTRIC SHOCK DO NOT OPEN

**** This symbol indicates that dangerous voltage constituting a risk of electric shock is present within your freezer.
This symbol indicates that there are important operating and maintenance instructions in the literature accompanying your freezer.

WARNING

1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this appliance near water.
6. Clean only with a damp cloth.
7. Do not block any ventilation openings.
8. Install in accordance with the manufacturer’s instructions.
9. Do not install near any heat sources, such as radiators, heat registers, stoves, or other apparatus that produce heat.
10. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
11. Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where they exit from the appliance.
12. Do not attempt to modify or extend the power cord of this appliance.
13. Unplug this appliance during lightning storms or when it will not be used for long periods of time.
14. Make sure that the available AC power matches the voltage requirements of this appliance.

CONNECTING ELECTRICITY

WARNING
Electrical Shock Hazard
Plug into a grounded 3-prong outlet.
Do not remove the ground prong.
Do not use an adapter.
Failure to follow these instructions can result in death, fire, or electrical shock.
WARNING
Electric Shock Hazard
Failure to follow these instructions can result in electric shock, fire, or death.

1. WARNING– Keep ventilation openings, in both the freezer and the built-in structure, clear of obstruction.
2. WARNING– Do not touch the interior of the freezer with wet hands. This could result in frost bite.
3. WARNING–   Do not use mechanical devices or other means to accelerate the defrosting process, other than those recommended by the manufacturer.
4. WARNING– Do not damage the refrigerant circuit.
5. WARNING– Do not damage the refrigerant tubing when handling, moving, or using the freezer.
6. WARNING– DANGER–Never allow children to play with, operate, or crawl inside the freezer. Risk of child entrapment. Before you throw away your old freezer: 6-1) Take off the doors 6-2) Leave the shelves in place so that children may not easily climb inside
7. Unplug the freezer before carrying out user maintenance on it.
8. This freezer can be used by children age eight years and older and persons with reduced physical or mental capabilities or lack of experience and knowledge if they are given supervision or instruction concerning the use of the freezer in a safe way and understand the hazards involved. Children should not play with the freezer. Cleaning and maintenance should not be performed by children without supervision.
9. If a component part is damaged, it must be replaced by the manufacturer, its service agent, or similar qualified persons in order to avoid a hazard.
10. Please dispose of the freezer according to local regulations as the freezer contains flammable gas and refrigerant.
11. Follow local regulations regarding disposal of the freezer due to flammable refrigerant and gas. All refrigeration products contain refrigerants, which under the guidelines of federal law must be removed before disposal. It is the consumer’s responsibility to comply with federal and local regulations when disposing of this product.
12. This freezer is intended to be used in household and similar environments.
13. Do not store or use gasoline or any flammable liquids inside or in the vicinity of this freezer.
14. Do not use extension cords or ungrounded (two-prong) adapters with this freezer. If the power cord is too short, have a qualified electrician install an outlet near the freezer. Use of an extension cord can negatively affect the freezer’s performance.

Grounding requirement
This freezer must be grounded. This freezer is equipped with a cord having a grounding wire with a grounding plug. The plug must be inserted into an outlet that is properly installed and grounded.
Improper use of the grounding plug can result in a risk of electric shock. Consult a qualified electrician or service person if the grounding instructions are not completely understood, or if doubt exists as to whether the freezer is properly grounded.

2.2 Safety instruction for refrigerant
Explosion Hazard.
Keep flammable materials and vapors, such as gasoline, away from freezer. Failure to do so can result in fire, explosion, or death.

Safety instruction for refrigerant
DANGER–Risk of Fire or Explosion. Flammable Refrigerant Used. To Be Repaired Only By Trained Service Personnel. Do Not Use Mechanical Devices. Do Not Puncture Refrigerant Tubing. CAUTION–Risk of Fire or Explosion. Flammable Refrigerant Used.  Consult Repair Manual/Owner’s Guide Before Attempting To Service This Product. All Safety Precautions Must be Followed. CAUTION–Risk of Fire or Explosion. Dispose of Properly In Accordance With Federal Or Local Regulations. Flammable Refrigerant Used. CAUTION–Risk of Fire or Explosion Due To Puncture Of Refrigerant Tubing; Follow Handling Instructions Carefully.
Flammable Refrigerant Used.

Transport

3.1 Handling

Handling

1. Protect the refrigerator in moving it,Same as shown as left photo, please move it by handcart with cushion
2. Remove all packing materials and bottom cushion, the move into house for placement
3. After moving it to appropriate location, wait for 2 hours before power on.

Installation and commissioning

4.1 Door Disassembly and Assembly
The refrigerator door needs to be dismantled if it cannot enter the room in the whole.
4.2 Installation location

Installation location
Location that is easy for ventilation shall be chosen to facilitate heat dissipation, enhance its performance andreduce the energy consumption. 4.3 Leveling of the refrigerator
Leveling of the refrigerator
If the refrigerator cannot be placed steadily, adjust the footing to level it. 4.4 Left or right open door reversal
Door reversal

1. Unscrew the top cover screws

2. Remove the top cover

3. Remove the hinge cover.
   Unscrew screws.
   Remove the upper hinge.

4. Remove the door.
   Unscrew screws and levelling feet.
   Remove the lower hinge adjust feet assembly.

5. Fix the levelling feet, lower hinge adjust feet assembly and screws in the opposite side.

6. Place the door stopper and axle sleeve in the opposite side.

7. Place the F door.
   Place and fix the upper hinge. Fix the hinge cover.

8. Place the top cover.

4.5 Installation of handle（None）
4.6 Installation of door lock（None）

Product configuration and dimension

5.1 Main parts and their names (The picture is only for reference, and specific appearance and configuration are subject to the real product)

2. Screen printing knob
3. Glass shelf
4. Glass shelf
5. Fruits and vegetables box
6. Bottle frame
7. Bottle frame

5.2 External dimension

5.3 Location of S/N Some products also have S/N on the lower part of the right side of the Cabinet.

Product specification

6.1 Electrical parameters

Applicable Models| HS-173FN|
---|---|---
Product Name| CE-BC133CM-SQ|
Product Code| 22031010003102|
Item| Specification| Specification
Refrigerant| R600a
Compressor| SZ45Y1J
Starter(PTC)| QPS2-B15MG1
Overload protector(OLP)| DRB12N61A1
Integrate PTC+OLP| ZHB31-120P15
Variable frequency driver board| None
Capacitor| None
Power filter| None
Winding resistance of compressor wiring terminal| Rmc：51.5±7%Ω Rsc：14.0±7%Ω Rms=Rmc+Rsc
Winding resistance picture|
The input power of compressor| 72W
Lights inside the refrigerator
Lights inside the refrigerating chamber| 230V/2W
Switch of the refrigerator door| Mechanical switch

6.2 Cooling temperature setting range

6.3 Circuit diagram

Refrigerating piping system and circulating route of cooling air

7.1 Refrigerating piping system
Compressor—Left condenser—-Right condenser—Dry filter—Capillary tube—evaporator—Suction tube—Compressor(The picture is only for reference, and specific appearance and configuration are subject to the real product)

Dismantling of parts

8.1 Parts on the door

Door seal
Door seal is installed into door liner groove.

1. Open the refrigerator door;
   Take the door seal ①out of door liner;

Door tray
Lift up the bottle frame and take it out from the door liner of the refrigerator. 8.2 Parts inside the refrigerator
Shelves
Lift up the division plate with a proper force and pull it towards yourself; Drawer
The drawer is located at the bottom of refrigerating chambers;

1. Pull the drawer out completely;
   Lift it up slightly and take it out from the refrigerator.

8.3 Light system

Light
• The light at the left of refrigerator chamber

1. Remove the light cover
2. Loosen the thermostat knob and fastening screw, and remove the thermostat box assembly
3. Remove the connector
4. Remove the light

Light switch
There is a light switch on the side wall of the refrigerating chamber.
Loosen the hook with small normal screwdriver and pull out the switch until the wire connector reveals. 8.4 Evaporator and Defrost system (None)
8.5 Compressor case

Rear cover and compressor case

| None
Compressor and the cooling system pipe
1）Cut off the power, remove the goods in the refrigerator,with the tape to make the door fixed firmly and prevent the door dropping when the refrigerator dumping.|
2）Slowly tilt the refrigerator forward, relying on the wall or a solid enough object, leaving space to facilitate the operation. For safety, it should be carried by someone to prevent its falling.|
3）Cut off the compressor pipeline.-❶Cut off the processpipeline.-❷Cut  ff the low-pressure muffler.-❸Cut off the high-pressure exhaust pipe.|
4-1）Remove the screws(for some models)
-Two screws outside
-One screw inside|
4-2）Remove the metal clamp(for some models)
-Disassembly the metal clamp that is fix the electric appliance shield|
5）Remove the clipping strip Slowly pull it out|
6）Remove the protective cover
-Pry the protective cover slowly from the upper part,
-Pull it out and remove it.|
7）Remove the starter and protector
Unplug the starter and protector (you can use a screwdriver to pry it slowly)|
8）Loosen the screw of the compressor bottom plate, remove the floor together with the compressor from the box.|
9）Use the wrench to remove the bolts by
steps❹❺❻❼, replace the compressor and reverse process can complete installation.|
10）Use Pipe cutter cut off the condenser tube❽, then Shear off capillary ❾ by the capillary tube scissors.|
11）Replace the compressor and welding the compressor pipeline.
-❿Welding the process pipeline.-⓫Welding the low-pressure muffler.
-⓬Welding the high-pressure exhaust pipe.|
12）Replace the filter, Cu-Fe tubes welding ⓭ used Ag welding rod, Cu-Cu tubes welding⓮ used Cu welding rod.|
13）Vacuum system,The degree of vacuum below 6Pa.|
14）Perfusion refrigerant.|
15）Use the vise grip pliers clamp the middle of the process pipe, then seal welding process tube⓯⓰.|
Back hanging wire tube condenser
| None
Piping system in the compressor case
1.left condenser
2.right condenser
3.processing tubes| 4.compressor
5. suction tube
6.dry filter

Temperature sensing system

9.1 Thermostat
Thermostat

1. Remove the screw on the thermostat assembly
2. Loosen the thermostat knob and fastening screw, and remove the thermostat box assembly
3. Remove the connector and replace the thermostat.

Function and operation

10.1 Operation panel Direct cooling mechanical refrigerator, through the thermostat knob to adjust the stalls.
10.2 Temperature setting
Turn the temperature control knob to MAX, the internal temperature of the refrigerator becomes lower.
Turn the temperature control knob to MIN, the internal temperature of the refrigerator becomes higher.
10.3 Open door alarm（None）
10.4 Defrosting function
Manual defrost
10.5 Backup data for power fail（None）

Compressor

11.1 Compressor on and off Control specifications
1.1 When one of the following conditions is met, the compressor stops:

1. Tr ≤ Trt；
2. The compressor runs continuously for more than 3 hours (Stop 5 minutes);

1.2 When all the following conditions are met, the compressor starts up:

1. Tr ≥Trk;
2. Compressor downtime is more than 5min.

★When 1.1 and 1.2 are not satisfied, the compressor maintains the original state

Troubleshooting Method

12.1 Not cooling

Common phenomenon of no cooling:

• The connector has a leak or the terminals are loose.
• Defective protector or starter.
• The connector is reversed, the timer is connected to the wrong line, or the timer is not reset.
• The leakage of the refrigeration system, welding plugs, the capillary depth of the dryer is not enough lead to solder plug.

12.2 No working of compressor 12.3 Thermostat malfunction-Undercooling12.4 Inside frosting, no defrosting
Inside frosting, no defrosting 12.5 Inside frosting, no defrosting- Maintenance guidelines 12.6 Light is not on 12.7 Noise

Figures and details of repair parts

See this section in the TSP.

Entry Guidelines (TSP System)
■ Where
Chrome

https://tsp.midea.com ■ How
Midea user: Same as your MIP account & password.
Overseas customer:
Account: Generated by TSP (provided by administrator).
Each customer have a code in Midea Group, G/E + seven numbers.
If you buy different categories from Midea group, you can see all the product information by one account.
Password: abcd1234 (please revise after login in).
If the input error more than 5 times, account will be locked, need the administrator to unlock.
Admin team:
REF: Jamie Liu(liujc5@midea.com)
IT: Martin He(dingding.he@midea.com)

The symbol on the product or its packaging indicates that this product must not be disposed of with your other household waste. Instead, it is your responsibility to dispose of your waste equipment by handing it over to a designated collection point for the recycling of waste electrical and electronic equipment. The separate collection and recycling of your waste equipment at the time of disposal will help conserve natural resources and ensure that it is recycled in a manner that protects human health and the environment. For more information about where you can drop off your waste for recycling, please contact your local authority, or where you purchased your product.

MIDEA appliances after sales website
For more information about Midea appliances after sales, please visit the tsp.midea.com
For more information about the service manual, please visit the tsp.midea.com
For more information about the EV and SBOM, please visit the tsp.midea.com

How to login TSP system
Use Google browser visit the https://tsp.midea.com/
Internal User:
Use MIP account and Password.
Customer:
Access: Generated by TSP (provided by administrator).
Password: abcd1234 (please revise after login in).

Midea Refrigerators
If you need to get detailed technical information from the manufacturer, please contact: xxx@midea.com
Refrigeration Division
Overseas Sales Company
Address: No. 176, Jinxiu Avenue, Economic-Technological Development Area, Hefei, Anhui, China

References

• index
• index

Read User Manual Online (PDF format)

Read User Manual Online (PDF format)  >>

Download This Manual (PDF format)

Download this manual  >>