Manuali utente per U-Line ULN-95

Sommario

• SP 18

  1
• ULN-95 Icemaker

  1
• ULN-98 Icemaker

  1
• ULN-SS1095 Icemaker

  1
• U-CO29F

  1
• U-CO29A

  1
• ULN-29R

  1
• U-1075BEV

  1
• U-1075WC

  1
• U-CO1175

  1
• BI-2115

  1
• ADA15IM

  1
• Service Manual

  1
  • Refrigeration Systems

    16
  • Figure 1 . Normal Vapor/Compression Cycle Refrigeration System

    16
  • Frost Free Refrigeration

    17
    • Figure 2 . Frost Free Refrigeration System.

      17
    • Figure 3 . Frost Free Air Flow

      18
      • Compressor/Electrical Specifications

        19
    • Models ULN-95, ULN-98, SP18, U-CO29A, U-CO1175, BI2115, SS-1095 - Figure 4

      19
      • Figure 4 . Electrical Relay and Overload Protector Models SP18, ULN-95, ULN-98, U-CO29A, U-CO1175, BI2115,ADA15IM, & SS-1095

        19
      • Figure 5 . Electrical Relay and Overload Protector Model U-CO29F

        19
      • Figure 6 . Electrical Relay and Overload Protector Models U-1075BEV, U-1075WC, 29R

        20
      • Ice Maker Operating Cycles

        21
        • Figure 7 . Freeze Cycle\

          21
        • Figure 8 . Harvest-1 Cycle (Hold Switch in Normal Position)

          21
        • Figure 9 . Harvest-2 Cycle (Hold Switch in Switched Position)

          22
        • Figure 10 . Water Fill Cycle

          22
    • Ice maker Operating Cycles (U-CO29F Model)

      23
      • Harvest Cycle - 2

        23
    • Temperature Control Specifications

      24
      • Figure 11 . Temperature Controls - Manual Defrost Ice Makers

        24
    • Limit Switch Specifications

      25
      • Figure 12 . Limit Switch

        25
    • Replacing Ice Maker Assembly (CO29F Only)

      26
      • 1. Unplug the unit from the main power source.

        26
      • 2. Disconnect ice maker wire harness at plug (1).

        26
      • 3. Remove control capillary tube from sensing tube on ice maker assembly (2).

        26
      • 4. Remove water inlet tube.

        26
      • 5. Remove front cover (3).

        26
      • 6. Advance the ejector blade to the 3 o’clock position by turning the 5/16” hex head on the small brass gear counterclockwise (4).

        26
      • 7. Remove three screws from wall of freezer housing (5).

        26
      • 8. Remove ice maker assembly.

        26
      • 9. Place new ice maker assembly into position and secure with three screws (5).

        26
      • 10. Reconnect wire harness at plug.

        26
      • 11. Insert control capillary tube into ice maker sensing tube.

        26
      • 12. Insert water inlet tube.

        26
      • 13. Apply Permagum® to all exit holes.

        26
      • 14. Install back panel.

        26
      • 15. Plug in unit and test.

        26
      • Figure 13 . Ice Maker Assembly

        26
        • 1. Remove back panel.

          26
        • 2. Disconnect all wires at bell connectors (5 wires-Models 95, 98 or SP18; or Plug-Models BI2115, ADA15IM, CO29A or CO1175). (1)

          26
        • 3. Remove capillary tube from sensing tube on ice maker assembly. (2)

          26
        • 4. Remove water inlet tube.

          26
        • 5. Remove front cover (3)

          26
        • 6. Advance ejector blades to the 3:00 position by turning the 5/16” hex head on the small brass gear counterclockwise (4).

          26
        • 7. Remove two screws from the side wall of evaporator(5).

          26
        • 8. Remove three screws from the bottom of the evaporator plate.

          26
        • 9. Remove ice maker assembly from evaporator shelf.

          26
        • 10. Clean alumilastic from evaporator shelf.

          26
        • 11. Apply 1/4” layer of fresh alumilastic to heater side of new ice maker.

          26
        • 12. Replace parts in reverse order of removal.

          26
        • 13. Reconnect all wires.

          26
        • 14. Insert capillary tube into ice maker sensing tube.

          26
        • 15. Insert water inlet tube.

          26
        • 16. Apply permagum to all exit holes.Mount back panel.

          26
        • 17. Mount the back panel.

          26
        • 18. Plug in unit and test.

          26
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        27
  • Introduction

    2
  • Potential Problems with HFC-134A

    2
  • Table Of Contents

    3
    • SECTION 1 - GENERAL INFORMATION

      3
    • Introduction 1-1

      3
    • Potential Problems With HFC-134A 1-1

      3
    • Safety Precautions 1-3

      3
    • Safety Alert Definitions 1-3

      3
    • General Precautions 1-3

      3
      • U-Line Corporation Limited Warranty 1-4

        3
      • Product Liability Policy 1-5

        3
      • Serial Number Format 1-6

        3
      • Warranty Claims Procedure 1-6

        3
      • Proof of Purchase 1-6

        3
      • Parts Listing 1-7

        3
      • SECTION 2 - TROUBLESHOOTING

        3
      • Customer Call Guide 2-1

        3
      • Refrigeration System Diagnosis Guide 2-2

        3
      • Ice Maker Diagnosis Flow Chart 2-3

        3
      • Troubleshooting 2-4

        3
      • SECTION 3 - SERVICE AND REPAIR

        3
      • Refrigeration Systems 3-1

        3
    • Normal Vapor/Compression Cycle Refrigeration 3-1

      3
    • U-Line Frost Free Refrigeration System 3-2

      3
      • Compressor/Electrical Specifications 3-4

        3
      • Ice Maker Operating Cycles 3-6

        3
      • Ice Maker Operating Cycles (Model U-CO29F) 3-8

        3
      • Temperature Control Specifications 3-9

        3
      • Limit Switch Specifications 3-10

        3
      • Replacing Ice Maker Assembly (CO29F Only) 3-11

        3
      • Replacing Ice Maker Assembly (All Models Except CO29F) 3-11

        3
      • SECTION 4 - PARTS

        3
      • 220 Volt Conversion List 4-1

        3
      • Ice Maker Assembly Information 4-2

        3
      • Model SP18 4-4

        3
      • Model ULN-95 - BI95B, BI95WH, BCM95 4-6

        3
      • Model ULN-95 - BI95BTP, WH95TP, SS95 4-8

        3
      • Model ULN-98 - BI98B, BI98WH, SS98 4-10

        3
      • Model SS-1095 4-12

        3
      • Model U-CO29F 4-14

        3
      • Model U-CO29A 4-18

        3
      • Model ULN-29R 4-20

        3
      • Model U-1075BEV 4-22

        3
      • Model 1075WC 4-24

        3
      • Model U-CO1175 4-26

        3
      • Model BI-2115 4-30

        3
      • Model 402-BI2015 4-32

        3
      • SECTION 5 - WIRING DIAGRAMS

        3
      • ULN-95, ULN-98, SP18 & SS-1095- 115 Volt 5-1

        3
      • U-CO29F - 115 Volt 5-1

        3
      • U-CO29A, CO1175, BI2115, ADA15IM - 115 Volt 5-2

        3
      • U-29R - 115 Volt 5-2

        3
      • 1075BEV, 1075WC - 115 Volt 5-3

        3
      • ULN-95, ULN-98, SP18 & SS-1095- 220 Volt 5-4

        3
      • U-CO29A, CO1175, BI2115, ADA15IM - 220 Volt 5-4

        3
        • Safety Precautions

          4
  • U-Line Corporation Limited Warranty

    5
    • U-Line Corporation warrants each U-Line product to be free from defects in materials and workmanship for a period of one year from the date of purchase; and warrants the sealed system (consisting of the compressor, the condenser, the evaporator, the ...

      5
    • The following are excluded from this limited warranty: installation charges; damages caused by disasters or acts of God, such as fire, floods, wind and lightening; damages incurred or resulting from shipping, improper installation, unauthorized modif...

      5
    • If a product defect is discovered during the applicable warranty period, you must promptly notify either the dealer from whom you purchased the product or U-Line at P.O. Box 245040, Milwaukee, Wisconsin 53224 or at 414-354-0300. In no event shall suc...

      5
    • This limited warranty is in lieu of any other warranty, express or implied, including, but not limited to any implied warranty of merchantability or fitness for a particular purpose; provided however, that to the extent required by law, implied warra...

      5
    • Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages, so the above limitations may not apply to you. This warranty gives you specific legal rights, and you ma...

      5
  • PRODUCT LIABILITY POLICY

    6
    • Serial Number Format

      7
      • Warranty Claims Procedure

        7
      • Occasionally the customer does not return their warranty cards. In this case we use the date the unit was shipped to our distributor for a beginning warranty date. This may cause the claim to be rejected for a proof of purchase. If you want to check ...

        7
        • Proof of Purchase

          7
    • Parts Listing

      8
      • 1. Refer to Service Parts and locate the illustration(s) for the model you are servicing.

        8
      • 2. Locate the desired part to be serviced and note the item number assigned to it.

        8
      • 3. Locate the item number within the parts list. Note the full description and the corresponding part number. If this is for a warranty unit, indicate and record the model and serial numbers.

        8
      • 4. When ordering parts, it will be necessary to supply Model Number, Serial Number, Part Number, Part Description and in some cases Color or Voltage.

        8
      • Our warranty records may not match the customer's information. In this case, a proof of purchase will be required. If you do not have the proof of purchase at the time the order is placed, the part will be sent net 15 days, charged to a Visa or Maste...

        8
        • 5. Parts may be ordered on-line, by FAX or phone:

          8
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          9
  • Customer Call Guide

    10
  • The following guide has been developed to help answer frequently asked questions. It can be used by persons scheduling service calls. Things to consider before scheduling a service call:

    10
    • Concern

      10
    • Response

      10
    • Refrigeration System Diagnosis Guide

      11
    • Normal

      11
    • Normal

      11
    • Slightly below room temperature

      11
    • Very hot

      11
    • Very hot

      11
    • Warm

      11
    • Cold

      11
    • Normal

      11
    • Overcharge

      11
    • Higher than normal

      11
    • Very cold may frost heavily

      11
    • Slightly warm to hot

      11
    • Hot to warm

      11
    • Cool

      11
    • Cold

      11
    • Higher than normal

      11
    • Undercharge

      11
    • Lower than normal

      11
    • Warm-near room temperature

      11
    • Hot

      11
    • Warm

      11
    • Warm

      11
    • Extremely cold near inlet - Outlet below room temperature

      11
    • Lower than normal

      11
    • Partial Restriction

      11
    • Somewhat lower than normal vacuum

      11
    • Warm - near room temperature

      11
    • Very hot

      11
    • Top passes warm - Lower passes cool (near room temperature) due to liquid

      11
    • Room temperature (cool) or colder

      11
    • Extremely cold near inlet - Outlet below room temperature backing up

      11
    • Lower than normal

      11
    • Complete Restriction

      11
    • In deep vacuum

      11
    • Room temperature (cool)

      11
    • Room temperature (cool)

      11
    • Room temperature (cool)

      11
    • Room temperature (cool)

      11
    • No refrigeration

      11
    • Lower than normal

      11
    • No Gas

      11
    • 0 PSIG to 25”

      11
    • Room temperature (cool)

      11
    • Cool to hot

      11
    • Room temperature (cool)

      11
    • Room temperature (cool)

      11
    • No refrigeration

      11
    • Lower than normal

      11
      • Ice Maker Diagnosis Flow Chart

        12
  • Troubleshooting

    13
    • Additional specific troubleshooting information can be found in Theory of Operation - Section 3, under the applicable model.

      13
      • Cause

        13
      • Remedy

        13
        • 1. Control setting too cold.

          13
        • 2. Control inoperable (1-2 contacts open)

          13
        • 3. Bin switch inoperable.

          13
        • 4. Limit switch defective (open).

          13
        • 5. Ice maker assembly motor stalled.

          13
        • 6. Broken wire in ice maker circuit.

          13
        • 7. Water soaked cabinet insulation.

          13
        • 8. Dirty condenser.

          13
        • 1. Adjust control warmer (counterclockwise).

          13
        • 2. Replace control.

          13
        • 3. Replace bin switch.

          13
        • 4. Replace limit switch.

          13
        • 5. Replace motor.

          13
        • 6. Repair or replace wiring.

          13
        • 7. Replace foamed cabinet assembly.

          13
        • 8. Clean condenser.

          13
        • 1. Water supply valve closed.

          13
        • 2. Water switch inoperable (open).

          13
        • 3. Solenoid valve inoperable.

          13
        • 4. Fill tube outlet frozen.

          13
        • 5. Broken wire in water fill circuit.

          13
        • 1. Open water supply valve.

          13
        • 2. Replace water switch.

          13
        • 3. Replace solenoid valve.

          13
        • 4. Defrost fill tube.

          13
        • 5. Repair or replace wiring.

          13
        • 1. Bin switch inoperable (closed).

          13
        • 2. Bin arm binding.

          13
        • 1. Replace bin switch.

          13
        • 2. Lubricate bin arm pivot points or loosen bin arm lever screw.

          13
        • 1. Water switch inoperable (closed).

          13
        • 2. Solenoid valve inoperable.

          13
        • 3. Stalled ice maker motor.

          13
        • 4. Temperature control inoperable. Ice maker is in continuous harvest cycle (contacts 1-2 closed).

          13
        • 1. Replace water switch.

          13
        • 2. Replace solenoid valve.

          13
        • 3. Replace motor.

          13
        • 4. Replace temperature control.

          13
        • 1. Control inoperable (1-2 contacts will not open).

          13
        • 2. Hold switch inoperable.

          13
        • 3. Broken wiring.

          13
        • 4. Short in mold heater.

          13
        • 1. Replace control.

          13
        • 2. Replace hold switch.

          13
        • 3. Repair or replace wiring.

          13
        • 4. Replace heater.

          13
        • 1. Control set too cold.

          14
        • 2. Fan motor stalled.

          14
        • 3. Ice cubes too large.

          14
        • 4. Dirty condenser.

          14
        • 5. Bypass valve stuck open (Frost Free units only).

          14
        • 1. Adjust control warmer (counterclockwise).

          14
        • 2. Replace fan motor.

          14
        • 3. Lower water fill adjustment.

          14
        • 4. Clean condenser.

          14
        • 5. Replace bypass valve (Frost Free units only).

          14
        • 1. Little or no frost pattern on evaporator.

          14
        • 2. Bypass valve stuck open (Frost Free units only).

          14
        • 1. Check for sealed system leak or restriction.

          14
        • 2. Replace bypass valve (Frost Free units only).

          14
        • 1. Relay inoperable.

          14
        • 2. Overload inoperable (open).

          14
        • 3. Compressor inoperable.

          14
        • 1. Replace relay.

          14
        • 2. Replace overload.

          14
        • 3. Replace compressor.

          14
        • 1. Power cord not plugged in.

          14
        • 2. On/Off switch in off position.

          14
        • 3. On/Off switch inoperable (open).

          14
        • 4. Hold switch inoperable (open).

          14
        • 5. Control inoperable (2-3 contacts open).

          14
        • 6. Broken wire in freeze circuit.

          14
        • 7. Ejector blades not in freeze position (12:00)

          14
        • 1. Plug in power cord.

          14
        • 2. Turn switch to on position.

          14
        • 3. Replace On/Off switch.

          14
        • 4. Replace hold switch.

          14
        • 5. Replace control.

          14
        • 6. Repair or replace wiring.

          14
        • 7. Manually advance ejector blades to the 12:00 position (test ice maker and limit switch).

          14
        • 1. Condenser air flow restricted.

          14
        • 2. Condenser fan blade obstructed.

          14
        • 3. Condenser fan motor stalled.

          14
        • 4. Compressor inoperable.

          14
        • 1. Remove restriction (clean condenser and grille).

          14
        • 2. Remove blade restriction.

          14
        • 3. Replace fan motor.

          14
        • 4. Replace compressor.

          14
        • 1. Control set too cold.

          14
        • 2. Control inoperable (2-3 contacts will not open).

          14
        • 3. Control sensing bulb not sensing mold temperature.

          14
        • 4. Evaporator fan stalled (Frost Free units only).

          14
        • 1. Adjust control warmer (counterclockwise).

          14
        • 2. Replace control.

          14
        • 3. Fully insert bulb into ice maker tube. Rout bulb away from compressor discharge tube.

          14
        • 4. Remove obstruction or replace motor.

          14
        • 1. Water supply line leaking at solenoid valve inlet.

          15
        • 2. Water line leaking at solenoid valve outlet.

          15
        • 3. Water line leaking at fill tube.

          15
        • 4. Defrost drain line not in drain pan.

          15
        • 5. Crack in water line.

          15
        • 1. Tighten fitting or replace fitting gasket and/or fitting.

          15
        • 2. Replace water line and fitting.

          15
        • 3. Tighten clamp or replace fill tube assembly.

          15
        • 4. Position drain line in drain pan.

          15
        • 5. Replace water line.

          15
        • 1. Ice maker assembly fill cup obstructed.

          15
        • 2. Fill ice cup and fill tube out of alignment.

          15
        • 3. Water level too high.

          15
        • 4. Defrost drain plugged (Frost Free units only).

          15
        • 1. Remove obstruction.

          15
        • 2. Align fill tube and fill cup.

          15
        • 3. Adjust water level.

          15
        • 4. Ice in drain trough (Frost Free units only) (see below).

          15
        • 1. Door gasket not sealing properly.

          15
        • 2. Door out of alignment.

          15
        • 3. Water soaked cabinet insulation.

          15
        • 4. Light stays on when door is closed.

          15
        • 1. Adjust door hinges or replace door gasket.

          15
        • 2. Adjust door hinges.

          15
        • 3. Replace foamed cabinet assembly.

          15
        • 4. Repair or adjust light bracket.

          15
        • 1. Copper refrigeration tube touching cabinet.

          15
        • 2. Fan blade touching shroud.

          15
        • 3. Fan blade obstruction (wiring, foam insulation, packaging material).

          15
        • 1. Carefully adjust tubing.

          15
        • 2. Adjust fan mounting or shroud.

          15
        • 3. Remove obstruction.

          15
        • 1. Obstructed drain cup or tube.

          15
        • 2. Drain trough heater failed (Frost Free units only).

          15
        • 3. Kinked drain tube.

          15
        • 4. Drain trough spout and drain cup not aligned.

          15
        • 1. Clear obstruction.

          15
        • 2. Replace drain trough heater (Frost Free units only).

          15
        • 3. Reroute drain tube.

          15
        • 4. Align drain trough and drain cup.

          15
        • 1. Bypass coil inoperable.

          15
        • 2. Defrost timer inoperable.

          15
        • 3. Bypass valve inoperable.

          15
        • 1. Replace bypass valve.

          15
        • 2. Replace defrost timer.

          15
        • 3. Replace bypass valve.

          15
        • 1. Temperature control set too cold.

          15
        • 2. Bin/Freezer door not closing.

          15
        • 3. Ice bucket not fully inserted.

          15
        • 1. Adjust control to warmer setting (counterclockwise).

          15
        • 2. Adjust or replace door.

          15
        • 3. Check for ice behind bucket and push ice bucket in place.

          15