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GE FHV5SGWW Service Manual
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GE FHV5SGWW Service Manual

GE FHV5SGWW Service Manual

Haier fhv5sgww: user manual
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Features
●
●Deep and quick freezing.
●Streamline shaped and top opening with castors.
●Mechanical temperature control with power indicator.
●High pressure foam cover for efficient Temperature preservation.
●Eximious water disposal device.
●Wide climate zone design.
Manual No.:FHV5/7SGWW
PDF created with pdfFactory trial version

Chest Freezer

Service
FHV5SGWW
FHV7SGWW
www.pdffactory.com
Manual
Edition: 20051130

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Summary of Contents for GE FHV5SGWW

  • Page 1: Chest Freezer

    ●Streamline shaped and top opening with castors. ●Mechanical temperature control with power indicator. ●High pressure foam cover for efficient Temperature preservation. ●Eximious water disposal device. ●Wide climate zone design. Manual No.:FHV5/7SGWW PDF created with pdfFactory trial version Chest Freezer Manual FHV5SGWW FHV7SGWW www.pdffactory.com Edition: 20051130...

  • Page 2: Table Of Contents

    12. Maintenance Service and Trouble Shooting 1. System Troubleshooting…………………………………………………16 2. Common freezer problems………………………………………………28 3. Service and technical requirements of R134a freezer ……………… 30 4. Application and maintenance of freezer ……………………………… 33 5. Procedure and tools required for evacuation and Charging …………38 6.

  • Page 3: Product Code Illumination And Series Introduction

    Freezer Model:FHV5SGWW/FHV7SGWW PRODUCT CODE ILLUMINNATION AND SERIES INTRODUCTION Product Code Illumination and Series Introduction □ S G W W F H V E F G “FREEZER” A: The first letter of B: ? C: ? D: Capacity. (Unit: 10Cu.Ft). E:……...

  • Page 4: Features

    Freezer Model:FHV5SGWW/FHV7SGWW FEATURES Features 3.1Feature of freezer ●Deep and quick freezing. ●Streamline shaped and top opening with castors. ●Mechanical temperature control with power indicator. ●High pressure foam cover for efficient Temperature preservation. ●Adjustable thermostat. ●Eximious water disposal device. ●Wide climate zone design.

  • Page 5: Specifications

    Power Supply(V/Hz) Power Consumption (kW.h/day) Unit Dimersion (W*D*H) Unit Weight (Kg) Box Dimensions (W*D*H) Box Weight (Kg) Container Quantity (40HC’) PDF created with pdfFactory trial version Freezer Model FHV5SGWW 220V/50Hz 0.85 804*610*850 860*637*890 ４ www.pdffactory.com Model:FHV5SGWW/FHV7SGWW SPECIFICATIONS FHV7SGWW 220V/50Hz 1.15 940*610*850...

  • Page 6: Safety Precautions(Including Warning And Cautions)

    Note: If for any reason this product requires service, we strongly, recommend that a certified technician perform the service. 6. If your old freezer is not being used, we recommend that you remove the door and leave the shelves in place; this will reduce the possibility of danger to children.
  • Page 7 This freezer should not be recessed or built-in an enclosed Cabinet. It is designed for freestanding installation only 8. Do not operate your freezer in the presence of explosive fumes. 9. Do not refreeze foods, which have been thawed completely.

  • Page 8: Net Dimension

    Freezer Model:FHV5SGWW/FHV7SGWW NET DIMENSION Net Dimension FHV5SGWW FHV7SGWW Model Unit Dimension 804*610*850 940*610*850 (W*D*H) Dimension 804*610*1370 940*610*1370 (Door open W*D*H’) ７ PDF created with pdfFactory trial version www.pdffactory.com...

  • Page 9: Installation And Accessory Parts

    3.When moving the freezer, never tilt it more than a 45-degree angle. This could damage the compressor and the sealed system. 4.If the freezer is tilted let it stand in an upright position for at least 24 hours prior to plugging. This is to allow the refrigerant to settle.
  • Page 10 Install Limitations l Do not install your freezer in any location not properly insulated or heated e.g. garage etc, your freezer was not designed to operate in temperature settings below 32 l Select a suitable location for the freezer on a hard even surfaces away from direct sunlight or heat source e.g.
  • Page 11 Model:FHV5SGWW/FHV7SGWW INSTALLATION AND ACCESSORY PARTS Installation and Accessory Parts Once the freezer is in its proper place, plug it in an electrical outlet having 220 volts. Set the temperature, on the temperature contrail knob.”1”being the warmest and “7”being the coldest. Initially set the temperature on”4”. Place food inside the freezer (green light will come on indicating that the freezer is in operation).
  • Page 12 INSTALLATION AND ACCESSORY PARTS Installation and Accessory Parts Food Storage Basket Your Freezer has 1 removable basket. It allows you to store food more accessibly or you can remove it if not needed. Defrosting and Draining The Freezer ·Defrost whenever the frost becomes 1/4” thick. Never use a sharp or metallic instrument to remove the frost as it may damage the cooling coils.(A punctured coil will void the warranty)

  • Page 13: Parts And Functions

    Freezer Model:FHV5SGWW/FHV7SGWW PARTS AND FUNCTIONS Parts and Functions １２ PDF created with pdfFactory trial version www.pdffactory.com...

  • Page 14: System Flow Chart

    Freezer Model:FHV5SGWW/FHV7SGWW SYSTEM FLOW CHART System Flow Chart The refrigeration system of direct cooling single-system freezers belongs to the category of a single-temperature and single-control refrigerating system with only one evaporator and is controlled by a single temperature control. １３...

  • Page 15: Function Schedule

    In case you unplug your freezer or experience an electrical outage, allow 5 minutes before plugging it back in. (Note: If the freezer has been placed in a horizontal or tilted position for any period of time wait 24 hours before plugging the unit in.) Adjustable temperature dial: Your freezer will automatically maintain the temperature level you select.

  • Page 16: Circuit Diagram

    Freezer Model:FHV5SGWW/FHV7SGWW CIRCUIT DIAGRAM Circuit Diagram Brief description of principle about FHV5SGWW/7SGWW: 1.The red lamp is the alarm lamp. When the temperature>-15℃, the lamp will be on. 2.The green lamp is a power indication lamp. When the power is on, the lamp will be on.

  • Page 17: Maintenance Service And Trouble Shooting

    L and N terminals respectively, watch the indication of odometer. The normal value is several Ohm to tens of ohm. If the resistance is zero, means that there is a short in the freezer circuit or there is a short caused by a bad compressor or fan motor.
  • Page 18 Other reasons may be over voltage, insufficient of voltage, adverse circumstances (temperature too high, ventilation and heat radiation to bad) for freezer, thermal protection unit out of order, etc. They will make the motor coil over temperature, insulation material loose, insulation is damaged then electricity will occur.
  • Page 19 (5) Leakage of fan: because of too high humidity of freezer environment or a bad fan controlling unit, the fan is burned after long time operation and thus causes leakage. Using voltammeter...
  • Page 20 If there is no frost at the surface of evaporator (bed type freezer at all of its inner wall), or only a small part at the upper, conclusion can be made that the operation of refrigeration system is not normal, the refrigerant is insufficient or there is leakage.
  • Page 21 The temperature of low-pressure gas inlet pipe is low. In summer there is dew at the pipe wall and it will feel cool when touching; when touching in winter, it will feel cooler. PDF created with pdfFactory trial version Freezer Model:FHV5SGWW/FHV7SGWW ２０ www.pdffactory.com...
  • Page 22 12.1.6 System noise repair Normally there are two kinds of freezer noise, one is the natural noise of compressor and fan, and the other is the resonance noise or structural noise. The natural noise of compressor and fan is controlled within a standard range, if the range is exceeded, the compressor or fan needs to be repaired or changed.
  • Page 23 MAINTENANCE SERVICE AND TROUBLE SHOOTING Maintenance Service and Trouble Shooting (1) If the freezer is not level, or if the floor is loose, please adjust the base cover or fasten the floor. (2) If noise is caused by tighten loose of screw between the base cover and freezer body, please make it tight.
  • Page 24 MAINTENANCE SERVICE AND TROUBLE SHOOTING Maintenance Service and Trouble Shooting (2) Check the rear side and the top of freezer, if it is too close to the wall or not; if the freezer is under sunlight directly or if it is near thermal source or not;...
  • Page 25 12.1.9 Why freezer cannot be used at low temperature environment When environment temperature is below zero, the lubrication ability of freezing oil in freezer compressor will decrease, the compressor will be difficult to start or cannot be started, or Compressor damage may occur.
  • Page 26 Controller and evaporator are too big. 2. The temperature controller is out of Compressor order. starts 3. Food stuffs in the freezer too much, frequent, door opens too frequent and open time operation too long. time too long, 4.
  • Page 27 5. There is mechanical problem in the protection compressor. unit cuts off 6. Temperature around compressor is too high. 1. The floor is loose. 2. The freezer body is not stable and in level. 3. When between tubes and freezer body causes much resonance. noise when 4.
  • Page 28 (6) Make a test run; check if the operation is normal, if there is any blocking of blade. (7) Make sure not to bend or damage tubing during removal and installation. PDF created with pdfFactory trial version Freezer Model:FHV5SGWW/FHV7SGWW ２７ www.pdffactory.com and put them into drying box to make them dry. 1. Change fan.

  • Page 29: Common Freezer Problems

    (5) Change with new temperature controller. 12.2 Common freezer problems 12.2.1 Freezer cannot be started When switching on power, the freezer cannot be started. Determine first that the failure is caused by inside or outside factors. The factors may be: (1) Outside factors ①...
  • Page 30 ⑥ The compressor shaft is broken and blocking the cylinder. 12.2.2 Operation of freezer is not normal Freezer starts when power is switched on, but after a few seconds or 1-2 minutes, it stops automatically and will start again in several minutes. It stops again within a very short time period after starting.

  • Page 31: Service And Technical Requirements Of R134A Freezer

    (1) The evacuation and fill machine is special only for R134a use. (2) Other equipment (such as pressure gauge) has no special requirements, but once it is used for R134a freezer, it can be no longer for other use. ３０...
  • Page 32 10 minutes. ② The evacuation time shall not be less than 45 min. ③ In case there is leakage of freezer, if leakage occurs at high-pressure end, it is repairable. Please blow high purity N occurs at low-pressure end, Check system pressure, if the system has no pressure, the freezer has to be scrapped and change with new one, if there is pressure, it is repairable.
  • Page 33 Switch on power for test run, check unit operation. 12.3.5 Compressor installation and brazing procedures (1) Install new compressor. (2) Compressor is not allowed to suck in air directly for check or other test. PDF created with pdfFactory trial version Freezer Model:FHV5SGWW/FHV7SGWW ３２ www.pdffactory.com...

  • Page 34: Application And Maintenance Of Freezer

    (5) Compressor has no seal plug it cannot be used. (6) There should be no grease adhered to service operator’s hands. (7) The unpacking of the filter dryer of freezer should be opened right before use. 12.4 Application and maintenance of freezer 12.4.1 Product characters...
  • Page 35 (8) There are four wheels at the bottom of freezer, but it can only be used for short distance and on level road movement. If it is required to move frequently, please put the freezer onto a strong trolley base.
  • Page 36 (3) There must be reliable ground connection for the freezer; ground line is not allowed to connect to water pipe, gas pipe, etc. (4) Once the freezer is cut off, at least 5 minute must be waited for starting again, otherwise the compressor or refrigeration system will be damaged.
  • Page 37 (4) Cleaning: For safety reason, please disconnect before cleaning so as to avoid electrical shock or damage to unit. (5) When cleaning the freezer, please use soft cloth or sponge and dip in water or soap water (non-corrosive neutral detergent is available). After cleaning please make it dry by using cloth so as to avoid rust.
  • Page 38 (7) Check the insulation by using, if it is abnormal; please check the circuit and various components. (8) If the trademark is damaged or lost, please change with new Haier trademark. (9) Wipe the inside and outside of freezer clean. If freezer will be off for a long time, wipe water away, and put the freezer into a plastic bag and leave it at a dry warehouse with good air convection and a level floor.
  • Page 39 (9) Needle nose pliers, notch pliers, sealing pliers. (10) Hansen valve. (11) Tube cutters. 12.5.2 Notice for use R134a filling equipment can only be used specially for R134a refrigerant, PDF created with pdfFactory trial version Freezer container, acetylene container and torch kit. ３８ www.pdffactory.com Model:FHV5SGWW/FHV7SGWW...
  • Page 40 Freezer Model:FHV5SGWW/FHV7SGWW MAINTENANCE SERVICE AND TROUBLE SHOOTING Maintenance Service and Trouble Shooting (1) It is not allowed to fill R134a by R12 filling equipment. (2) Please keep the pliers, pipe cutting unit and Hansen valve clean, and keep them away from grease dirt.

  • Page 41: Freezers Noise

    ② Open all related valves. ③ When the liquid level has reached filling quantity, close valves. (4) Test run ① After filling, turn on power to freezer for test run. Observe the unit operation. ② Switch off power. 12.6 Freezer noise 12.6.1 Freezer noise sources...
  • Page 42 Hertz. Reasons for compressor noise are: (1) There are two pieces thin elastic steel slice inside the compressor (gas in valve and gas out valve), when the freezer starts, each steel slice will open and close about 47 times per second, this will cause vibration sound.
  • Page 43 This sound is different, for the evaporator used and assembly technologies during producing are different. If there is not this sound at freezer operation, and evaporator cannot make refrigeration, condenser is not hot, this means there is restriction or there is a refrigerant leak.
  • Page 44 This sound may occur at the following situations: (1) Newly bought freezer, the internal stress of materials has not been eliminated. With time going on, the stress of materials will disappear and it is less possible to make this sound.
  • Page 45 Answer: After half a year or one year’s use, clearance will increase because of wear of inner components, and compressor’s noise will increase accordingly. Then it will get stable till the whole life of freezer. 12.6.7 Why freezer’s noise increases after stop use for...
  • Page 46 In noisy city or shops, people feel the noise is little, while in countryside or quiet living room will feel the same noise greater. This is the reason that people feel the freezer gets noisier at home than at shop.
  • Page 47 If normal stop happens, please make the measurement 3 minutes after freezer starting again. (4) 4 measuring positions are required, they are 1m away from freezer at front, back, front left, front right respectively. The height is 1/2 of freezer;...
  • Page 48 Maintenance Service and Trouble Shooting The standard 42dB of the ministry of light industry is the noise pressure level measured 1m away from freezer door. This value plus 10 is the approximate value of sound power level. The restriction to noise in national standard is more strict and scientific. At present, freezer noise is required to take sound power level stipulated in national standard.
  • Page 49 Model:FHV5SGWW/FHV7SGWW MAINTENANCE SERVICE AND TROUBLE SHOOTING Maintenance Service and Trouble Shooting (2) When freezer stops, because of inertial rotation, there will be vibration sound from compressor. (3) When freezer stops, the compressor decelerates, high pressure and low pressure at gas exhausting tube and returning tube will get balance, thus causes sound of compressor.

  • Page 50: National Standard For Noise

    12.7.1 When freezer is running for freezing, there will be no obvious noise? The noise of sound power level of freezer with the volume 250L and below, measuring according to the stipulations in item 6.3.6.1, will not greater than 52dB(A).
  • Page 51 Maintenance Service and Trouble Shooting 12.7.2 Noise test At the geometrical center of measuring field, put the freezing freezer onto an elastic base (5-6mm thick elastic rubber cushion). The freezer should be empty. Turn the knob of temperature controller to middle or near to strong position and close the door or cover.

  • Page 52: Measuring Technology Of Freezer Performance Parameter

    Freezer Model:FHV5SGWW/FHV7SGWW MAINTENANCE SERVICE AND TROUBLE SHOOTING Maintenance Service and Trouble Shooting Assume l1, l2, l3 is the length, width, height of freezer respectively, unit is A=l1/2 +d b=l2/2 +d c=l3/2 +d Take d=1m Then S=4(ab+bc+ac) The positions of measuring points are shown in table 4.
  • Page 53 12.8.2 Test method and instrument 12.8.2.1 Sealing performance test of refrigeration system In this test, freezer is put to positive pressure room, temperature is 16-32℃. Leakage inspection instrument is set to 0.5g of yearly leakage, check every position of refrigeration system. Leakage at any point shall not greater than 0.5g.
  • Page 54 Ground connection resistance shall not exceed 0.1 ohm. 12.8.2.5 Leakage of current When testing, give 1.06 times rated voltage to the freezer, and make the test at operation status. The test complies with GB4706.1-84, the leakage current testing instrument is made in accordance with the stipulations. The leakage current measured shall not exceed 1.5mA.
  • Page 55 Climate types Symbols Sub-temperate zone Temperate zone Sub-tropical zone Tropical zone (3) Environmental humidity: normally the relative humidity is 45-75%. PDF created with pdfFactory trial version Freezer Model:FHV5SGWW/FHV7SGWW Suitable temperature (℃) 10-32 16-32 18-38 18-43 ５４ www.pdffactory.com Measuring temperature (℃)
  • Page 56 MAINTENANCE SERVICE AND TROUBLE SHOOTING Maintenance Service and Trouble Shooting (3) Test pack: Use the rectangle packs of following dimensions as the load of freezer. (4) Table 6-2 Test packs for freezer performance Dimensions (mm) Small 25×50×100 Middle 50×100×100 50×100×200 The contents of test packs are (take 1000g pack as the datum): hydroxyethlmethylcellulose 230g;...
  • Page 57 <<Relative humidity referring table for environment test>> GB6999-86. (7) Cooling speed Leave the freezer at test room, room temperature is 32 ℃ , the inner temperature of freezer gets balance with room temperature (temperature difference +-1K). Close freezer door and let the freezer running continuously.
  • Page 58 MAINTENANCE SERVICE AND TROUBLE SHOOTING Maintenance Service and Trouble Shooting (9) Electricity consumption Leave the freezer at test room, climate temperatures are: SN, N, and ST types 25℃; T type 32℃. Test time is 24h. The consumption of storage freezer and storage and freezing freezer shall be less than 115% of rated;...
  • Page 59 Freezer Model:FHV5SGWW/FHV7SGWW Model: FHV5SGWW / FHV7SGWW Manual No.:BD-146G Edition:2005.11.30 Exploded View ５８ PDF created with pdfFactory trial version www.pdffactory.com...
  • Page 60 0075020051 Compressor spring washer 0075020137 Compressor washer 0075020182 Compressor sleeve 0075020185 Rubber spacer 0074000035 Compressor 0075020238 Protector 0075020131 Starter 0075020187 Compressor cover PDF created with pdfFactory trial version Freezer Model:FHV5SGWW/FHV7SGWW FREEZER Model:FHV5SGWW/FHV7SGWW Model English FHV5SGWW FHV7SGWW FHV5SGWW FHV7SGWW FHV5SGWW FHV7SGWW ５９...
  • Page 61 5,Above should be improved accord with the reply of the market half a year per time. 6.The spare parts price on net is FOB Qingdao term. PDF created with pdfFactory trial version Freezer Model:FHV5SGWW/FHV7SGWW FHV5SGWW FHV7SGWW damaged or the maintenance man could not ６０...

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