TRAULSEN G SERIES MANUAL Pdf Download (2024)

TRAULSEN G SERIES MANUAL Pdf Download (1)
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R&a refrigerator, freezer, dual-temp and hot food units

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  • Contents
  • Table of Contents
  • Troubleshooting
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Table of Contents

  • Table of Contents

  • Section I
    • Intela-Traul Control System

    • Intela-Traul Control System Overview

    • Intela-Traul Alarm Codes from 2010 to Present

    • Troubleshooting Traulsen Intela-Traul Sensors

    • Troubleshooting Traulsen Intela-Traul mit II Relay Module

    • RH Sensor Module

  • Refrigeration System
    • TXV Troubleshooting

    • Troubleshooting a Frozen Evaporator Coil

      • Compressor Troubleshooting

    • Milk Cooler Temperature Checklist

  • Preventive Maintenance
  • Section V Door Frame Heaters
    • Door Frame Heater Installation

      • Door Frame Heaters in Roll-In Units

      • Door Frame Heaters in Half Height Units

  • Section VI Wiring Diagrams
    • UHT Danfoss Series

      • ULT Danfoss Series

      • Milk Cooler Danfoss Series

  • G-Series Control (Blue Display)
    • Control Overview

    • Control Board Detail

      • R/A-Series Control (Green Display)

      • Control Overview

      • Control Board Detail

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Quick Links

  • 1 Intela-Traul Control System
  • 2 Intela-Traul Alarm Codes from 2010 to Present
  • 3 Troubleshooting Traulsen Intela-Traul Sensors
  • 4 Troubleshooting a Frozen Evaporator Coil
  • 5 G-Series Control (Blue Display)
  • 6 Control Overview
  • 7 Control Board Detail
  • Download this manual

MASTER SERVICE MANUAL

For All Full Size Undercounter, G-Series and R&A

Refrigerator, Freezer, Dual-Temp and Hot Food

Units

Traulsen

4401 Blue Mound Road Fort Worth, Texas

76106 Phone: (800) - 825 - 8220

Part Number 375-60351-00 Form Number TR36015 revised 3/17

Table ofContents

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Table of Contents

Troubleshooting

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Summary of Contents for Traulsen G Series

  • Page 1 MASTER SERVICE MANUAL For All Full Size Undercounter, G-Series and R&A Refrigerator, Freezer, Dual-Temp and Hot Food Units Traulsen 4401 Blue Mound Road Fort Worth, Texas 76106 Phone: (800) - 825 - 8220 Part Number 375-60351-00 Form Number TR36015 revised 3/17...
  • Page 2 Traulsen provides this manual as an aid to the service technician in installation, operation and maintenance of Traulsen units from year 2010 to present. When used properly. This service manual can help the service technician maintain, troubleshoot and diagnose most of the problems and malfunctions that may occur with the controllers.
  • Page 3: Table Of Contents

    Intela-Traul Control System Overview b. Intela-Traul Alarm Codes from 2010 to present c. Control Access & Programming d. Troubleshooting Traulsen Intela-Traul Sensors e. Troubleshooting Traulsen Intela-Traul MIT II relay module f. RH Sensor Module Section II Refrigeration System a. Troubleshooting Traulsen Refrigeration System b.
  • Page 4: Section I

    Section I Intela-Traul Control System...
  • Page 5: Intela-Traul Control System Overview

    I. a – Intela-Traul Control System Overview Intela-Traul Components: Component Description Control Head • Microprocessor Control • User Interface Relay Module • DC Power Supply • Blower Relay • Defrost Heater Relay • Door Frame Heater Relay • Supplies 12VDC to Compressor Relay Hybrid Relay •...
  • Page 6: Intela-Traul Alarm Codes From 2010 To Present

    I. b - Intela-Traul Alarm Codes from 2010 to present Alarm Description Clear Alarm Refrigeration System Low Charge Repair Refrigeration System Return Cabinet Temperature to Low Cabinet Temperature Alarm Normal Range Return Cabinet Temperature to High Cabinet Temperature Alarm Normal Range Door Open Alarm Close Door Power Loss Alarm...
  • Page 7 I. c – Intela-Traul Control Access & Parameters To access the engineering/service menu follow the instruction below. As seen in Figures 1 & 2. INTELA-TRAUL Key Parameters INTELA-TRAUL Access Parameter Description Press Display Press Set Point Set Point Differential Set Point High (Equip Prior to 2010 only) Set Point Low (Equip Prior to 2010 only)
  • Page 8: Troubleshooting Traulsen Intela-Traul Sensors

    I. d - Troubleshooting Traulsen Intela-Traul Sensors Sensor Function: • Cabinet Sensor (Green): The Cabinet sensor reads the temperature of the return air and relays that value back to the control head. The control head either cycles the compressor on or off depending on the temperature set points. If cabinet sensor reads 60⁰F (15 ⁰C) or higher the unit will not go into defrost and you can’t put into manual...
  • Page 9 I. d - Troubleshooting Traulsen Intela-Traul Sensors Quick Reference Table 6 Item Details • Green • Control parameter • Reads return air • Compressor cycles off of cabinet sensor value Cabinet Sensor • If cabinet sensor reads 60⁰F (15 ⁰C) or higher the unit will not go into defrost and you can’t put into manual...
  • Page 10 I. d - Troubleshooting Traulsen Intela-Traul Sensors Advanced Trouble Shooting Tips There are a variety of reasons for the symptoms listed in Table 7. This troubleshooting table is intended to address the most common reasons associated with the Intela-Traul sensors only.
  • Page 11: Troubleshooting Traulsen Intela-Traul Mit Ii Relay Module

    I. e - Troubleshooting Traulsen Intela-Traul MIT II Relay Module Relay Module Function: The Traulsen Relay Module is a long black rectangular box approximately 2 x 2 x 7 inches (5.08 X 5.08 X 17.08 centimeters) located behind the controller (front panel display) that contains several switching relays.
  • Page 12 I. e - Troubleshooting Traulsen Intela-Traul MIT II Relay Module Relay Module Control Voltage (Cont): Pin No. Color Signal Gray Blower Orange Door Heater Green Alarm From Controller Black Return to Horn Unused Unused White/Purple -RS485 Black Ground White 12vac...
  • Page 13: Rh Sensor Module

    I. f - RH Sensor Module The Intela-Traul RH module (Relative Humidity Sensor) is found on the Traulsen Energy Star rated units, from October 2014 to the present. This technical bulletin may not cover all the situations that may arise in the field and final diagnosis of field based equipment is the sole responsibility of the technician contracted to perform any work required.
  • Page 14: Refrigeration System

    Section II Refrigeration System...
  • Page 15 This is to inform the field how to trouble shoots the refrigeration system with the use of a thermometer. As seen in Figure 5. Trouble Shooting Refrigeration System by Temperature: Use Table 10 and corresponding chart (Figure 5) to aid in troubleshooting a Traulsen refrigeration system with the use of thermometers. ITEM...
  • Page 16: Txv Troubleshooting

    II. b - TXV Troubleshooting Standard Operating Parameters: (As measured in Figure 5, Page 14) • Superheat – 7⁰F (-13.9⁰C) • Subcooling – 4 F-12 F (-15.5⁰C TO -11.1⁰C) Troubleshooting: Superheat Subcooling Diagnosis Above 7F Below 4F Refrigerant Charge is Low Below 5F Above 12F System Overcharged...
  • Page 17: Troubleshooting A Frozen Evaporator Coil

    Table 12 is intended to aid in diagnosing the root cause of a frozen evaporator coil on a Traulsen upright reach-in refrigerator or freezer. This may not cover all situations that may arise in the field and final diagnosis of field based equipment is the sole responsibility of the technician contracted to perform any work required.
  • Page 18: Compressor Troubleshooting

    II. d - Compressor Troubleshooting Tools Required: • Basic hand tools • Clamp around amp meter • Volt Ohm meter • Basic 3 in 1(1/2 HP) Terminology: • OEM – Original Equipment Manufacturer – Refers to the manufacturer of a piece of equipment or component.
  • Page 19 II. d - Compressor Troubleshooting Basic Troubleshooting: • What is my amp draw and voltage when the compressor is starting? • What is the resistance of the windings? • What is the RLA (Rated Load Amps) of the compressor? • What is the LRA (Locked Rotor Amps) of the compressor? •...
  • Section III Compact & Milk Cooler Controls...
  • Page 21 III. a - Danfoss Control Parameters See corresponding tables below for Danfoss Control Parameters Danfoss control parameters: COMPACT FREEZER (ULT) COMPACT REFRIGERATOR (UHT) SET POINT RANGE: -10F(-23C) to +5F(-15) SET POINT RANGE: 29F(-1C) to 37F(2C) SET POINT: -3F(-3C) SET POINT: 32F(0C) DEFROST TYPE: ELECTRIC...
  • Page 22 III. b - Danfoss Control Troubleshooting DANFOSS SENSOR OHM VALUES Sensor Temperature Ohm value 16.00 Ω Cabinet sensor (S1) 32⁰ (0⁰C) 16.00 Ω Coil Sensor (S2) 32⁰ (0⁰C) 4-26 Ω (slight tolerance) Spindle (S3) Table 17 Note: If the red light starts flashing this indicates a sensor failure. To start manual defrost: 1.
  • Page 23: Milk Cooler Temperature Checklist

    III. c - Milk Cooler Temperature Checklist This is to inform the field of basic operational check points related to temperature maintenance concerns to understand prior to troubleshooting the refrigeration system function. Troubleshooting checklist ✓ What is the walk-in cooler/milk storage cooler temp? Best Better 33F (1C) 36F (2C) 39F (4C) 41F (5C)
  • Page 24: Preventive Maintenance

    Section IV Preventive Maintenance...
  • Page 25 Pull gasket with hand and visually inspect gasket (s) for tear, Inspection dirt, mold or worn gasket. Replace as needed. The model and serial number is required when placing a parts order call the Traulsen Parts Department at 800-825-8220. Table 20...
  • Page 26 IV. a - Preventative Maintenance CLEAN CONDENSER COIL Disconnect electrical power supply before cleaning any parts of the unit. Long reliable service life Frequency Every 3 Months Time required 5 minutes to prepare 15 minutes to complete For All Upright Cabinets, remove the two bottom screws securing the louver panel, and then pivot this upwards allowing full access to the front facing condenser.
  • Page 27: Door Frame Heater Installation

    Section V Door Frame Heater installation...
  • Page 28 V. a - Door Frame Heater Replacement Installation process: Note: The original heater wire will be abandoned in the foam. • Unplug unit. • Remove screws and breaker strips around the perimeter of the door opening. As seen in Figure 6. Figure 6 •...
  • Page 29 • Use a long probe or screw driver to create a hole through the foam in the top center mullion area up to the wire chase hole. As seen In Figure 8. Figure 8 • In the wire chase check for the white and orange wires coming from the relay module.
  • Page 30 • When finished reinstall breakers strips. As seen in Figure 11. Figure 11 • Plug in unit.
  • Page 31: Door Frame Heaters In Roll-In Units

    V. b - Door Frame Heaters in Roll-In Units In Figure 12 How door frame heaters should be run in a two section Roll-in unit. Door Frame Heater Connector Figure 12...
  • Page 32: Door Frame Heaters In Half Height Units

    V. c - Door Frame Heaters in Half Height Units In Figure 13 How door frame heaters should be run in a Half Height unit. Use a long probe to create a hole Door Frame through the foam in the top center Heater mullion.
  • Page 33 Section VI General Wiring Diagrams...
  • Page 34 VI. a – G/R/A Series Reach-In...
  • Page 35: Uht Danfoss Series

    VI. b - UHT Danfoss Series...
  • Page 36: Ult Danfoss Series

    Vl. c - ULT Danfoss Series...
  • Page 37: Milk Cooler Danfoss Series

    VI. d - Milk Cooler Danfoss Series...
  • Page 38: G-Series Control (Blue Display)

    Section VII G-Series Control (Blue Display)
  • Page 39 VII. a – Control Overview Display overview Esc or Back key Unlock symbol Status icons + or Next key Unlock or Modify Cabinet Temp - or Previous key Display or Enter Figure 1 Control button legend: UNLOCK OR MODIFY KEY PLUS/NEXT KEY MINUS/PREVIOUS KEY EXIT/BACK KEY...
  • Page 40 Turning the Display On and Off: Press Display Display State Hold 5 sec NO DISPLAY NORMAL DISPLAY Adjusting Temperature Set Point: 1. Unlock Keypad 2. Use to adjust Set Point 3. Press Initiate Manual Defrost: Press Display & Hold for 5 Seconds...
  • Page 41 VII. b – Service Parameters Service Menu: The Service Menu contains 3 sub menus: • (Sensor) – Enables a technician to view various control & sensor statuses. • (Set) – Allows a technician to change various control parameters. • (Alarm) – Enables a technician to view various alarm states ACCESS CODE 555 Press Display...
  • Page 42 Parameter Tables: 1. To view Parameter press 2. Press to return to Parameter list Mnemonic Parameter Description Time Set Local Time Set RH Snr Reset Reset Count RH Sensor Light Status Cabinet Light Off/On Aux. Device Status Auxiliary Device Status Light Status Of Lights Door Open Count...
  • Page 43 Parameter Tables (Cont): 1. To access Parameter press 2. Press to unlock parameter 3. Use to adjust Parameter 4. Press to save settings 5. Press to return to Parameter list Mnemonic Parameter Description Temp Cab SP Temp Set point Daylight Savings Daylight Savings time Time Zone Time Zone...
  • Page 44 Parameter Tables (Cont): 1. To view Parameter press 2. Press to return to Parameter list Mnemonic Parameter Description Temp Cab At Power Up Cabinet Temp at power up Temp Cab Alarm Cabinet Temp Alarm Status Temp Liq Line Alarm Liq Line Temp Alarm Status Liq Line SD Alarm Liq Line Shutdown Status Table 3...
  • Page 45 VII. c – Display Errors Error Codes: Communication Error Corrective Actions • Press the reset button on the Main Board or power cycle the unit • Replace the cable between the Main Board and the Display • Replace the Display •...
  • Page 46: Control Overview

    VII. d – Control Board Detail Control board overview: RESET BUTTON RH SNR (B), DOOR SWITCH (W) DIGITAL INPUT (BL) Figure 2 Control board Troubleshooting: Note: All components may be tested with direct power ONLY when disconnected from the board. DO NOT jumper power at the board. LED indicators will illuminate when the control is calling for an output to be energized.
  • Page 47 Control Board Specifications: Fuse 325/326 Series Lead-Free 3AB, Slo-Blo 20A fuse To reboot the board press the reset button (See Figure 2) for 5 seconds or until all the Reset LED lights flash, shut off and then come back on again. Toggle Toggle switch disconnects power to all controls and components.
  • Page 48: R/A-Series Control (Green Display)

    Section VIII R/A-Series Control (Green Display)
  • Page 49: Control Overview

    VIII. a – Control Overview Display overview BUTTON SYMBOL DESCRIPTION STATUS DESCRIPTION SYMBOL Escape /Back /Cancel Key Compressor Status / Heater Status (On Hot Food cabinets only) Fan Status Minus (-) / Previous Key Plus (+) / Next Key Defrost Status Alarm/Door Open Enter / Modify Key...
  • Page 50 VIII. b – Control Programing Changing the Setpoint: Press Display Press Display Submenu 1/5 Submenu 2/5 Sensor Readings Settings Enter Password Enter Password Enter Password Enter Password TempCabSp Use the plus and Press enter to minus keys to modify the navigate to your setpoint.
  • Page 51 Submenu 1/5 Parameters: Parameter Name Password Level Description TempCab Cabinet Temp TempEvap Evaporator Coil Temp TempLiqLine Liquid Line Temp DoorSwitch Door Switch LightSwitch Light Switch ControlTime Unit Time TempAux Auxillary Temp TempRoom Ambient Temp HumidityRoom Humidity Temp DewpointRoom Dewpoint Temp RhSensorStatus Rh Sensor Status Current...
  • Page 52 Submenu 2/5 Parameters: Parameter Name Password Level Description TempCabSp Temp Setpoint TempCabSPDiff Cabinet Temp Differential TempAuxSp Aux Temp Setpoint TempAuxSPDiff Aux Temp Setpoint Dif CabFanMode Fan Mode CabFanDoorAction Evap Fan When Door Open DefrostSP Defrost Setpoint DefrostMode Defrost Mode DefrostInterval Interval Between Defrosts DefrostTime1 Defrost Time 1...
  • Page 53 Submenu 3/5: Parameter Name Password Level Description Start Defrost Start Defrost Submenu 4/5: Parameter Name Password Level Description Door Alarm Door Switch Alarm TempCabAtPowerUp Cabinet Temp at power up TimeOfPowerDown Time of power down TimeOfPowerUp Time of power up PFDuration Duration of Power Failure PowerFailAlarm Power Fail Alarm...
  • Page 54: Control Board Detail

    VIII. c – Control Board Detail Control board overview: RESET BUTTON RH SNR (B), DOOR SWITCH (W) DIGITAL INPUT (BL) Figure 2 Control board Troubleshooting: Note: All components may be tested with direct power ONLY when disconnected from the board. DO NOT jumper power at the board. LED indicators will illuminate when the control is calling for an output to be energized.
  • Page 55 Control Board Specifications: Fuse 325/326 Series Lead-Free 3AB, Slo-Blo 20A fuse To reboot the board press the reset button (See Figure 2) for 5 seconds or until all the Reset LED lights flash, shut off and then come back on again. Toggle Toggle switch disconnects power to all controls and components.
TRAULSEN G SERIES MANUAL Pdf Download (2024)

FAQs

How do I read my Traulsen serial number? ›

  1. ALL SERIALS START WITH T OR V. MANUFACTURE MONTH CODE. A=JANUARY; B=FEBUARY; C=MARCH……..
  2. LAST 2 DIGITS OF MANUFACTURE YEAR. UNIQUE SERIAL CODE. MANUFACTURE MONTH CODE.
  3. A=JANUARY; B=FEBUARY; C=MARCH…….. FIRST 2 DIGITS OF MANUFACTURE YEAR. UNIQUE SERIAL CODE.

What temperature should a Traulsen freezer be? ›

Choose Your Temperature

Refrigerator temperatures can be set from 33° to 40°F or freezer temperatures from -3° to 3°F.

How to adjust temperature on Traulsen refrigerator? ›

How to Set theTemperature on a Traulsen Refrigerator
  1. Enter "O" "A" "1" on the control panel, followed by "Set."
  2. Wait for "CUS" to appear on the display. ...
  3. Wait for three zeros to appear with the left zero flashing. ...
  4. Wait for three zeros to appear with the center zero flashing. ...
  5. Press the down arrow key until "A" appears.

How do you take the doors off a Traulsen freezer? ›

a - REMOVING THE DOOR(S): To remove any solid door, begin by removing the plug at the bottom of the top hinge. Inside the hinge there is a small screw which secures the door in place. Remove this with a flat head screwdriver and the door can then be lifted off the hinge (see figure 1).

How can I check for my serial number? ›

Most computers have their serial numbers on the outside of the case or, for some laptops, underneath the battery.

How do you date a serial number? ›

To Determine Manufacture Date Based on Serial Number: The 1st three numbers of your serial number will always provide your manufacture date. The 1st number is the YEAR of manufacture; the 2nd & 3rd numbers indicate the MONTH of manufacture.

What is the correct and standard temperature for freezer? ›

Information. To store frozen foods at best quality, keep the freezer set to maintain zero (0 °F or -17.8 °C). Some combination refrigerator-freezers cannot keep the freezer air that cold. As long as foods are solidly frozen, they will stay safe.

What temperature does the FDA recommend for a freezer? ›

Chilling foods to proper temperatures is one of the best ways to slow the growth of these bacteria. To ensure that your refrigerator is doing its job, it's important to keep its temperature at 40 °F or below; the freezer should be at 0 °F.

What is accurate freezer temperature? ›

The temperature of a freezer should be set at 0 degrees Fahrenheit so everything stays very cold. A freezer should be cold enough to keep food frozen and preserve it until they are ready to be cooked or reheated.

What is the correct refrigerator temperature settings? ›

The ideal refrigerator temperature is 40 degrees Fahrenheit or below, according to the Food and Drug Administration (FDA). These temperatures inhibit the growth of microorganisms that can cause foodborne illnesses, such as salmonella, listeria, and E.

Where is the cabinet sensor on a Traulsen? ›

Cabinet Air Sensor: The cabinet air sensor should be mounted inside the evaporator housing (hump) on the return air side of the evaporator coil.

How do I calibrate my refrigerator temperature? ›

To do that, buy a stand-alone refrigerator thermometer to place inside the refrigerator and assess the temperature discrepancy. If you find that the interior is warmer than your refrigerator's readout, turn the fridge temperature down a few degrees and wait 24 hours to see whether the internal temperature drops.

Can I leave the freezer door open? ›

When the freezer door is left open, the temperature rises, causing the contents to start thawing. Perishable items, such as meat, dairy products, and frozen meals, are particularly vulnerable to spoilage as they thaw. This can result in food wastage and the risk of consuming spoiled or unsafe food.

How do you defrost a freezer by leaving the door open? ›

The easiest way to defrost a freezer is to simply let the ice melt on its own. After you unplug your appliance, leave the door open and wait for the ice to melt on its own. If you want to expedite the melting process, you can put a fan near your freezer to help it defrost.

How do I get my freezer door to close? ›

If you feel a surge of cold air, good news, you've located the loose area. Use a cotton swab to push a little petroleum jelly (such as Vaseline) into the groove below the loose rubber. This makes it easier to push the rubber back into place and also seals air leaks. Lastly, push the seal back into place.

How do you read a serial number? ›

It is the unique identification number of each product. The serial number has 16 characters, and it contains information such as the product type, model, and production date. The sixth and seventh characters represent the product production year: For example, “23” represents that the production year is 2023.

How do I read my beverage air serial number? ›

To get started, locate your equipment model number and serial number. This information can be found on the equipment data plate located on the inside left wall of your unit or on original product packaging. Thank you for helping us to better serve you.

How do I read a disk serial number? ›

Use Windows PowerShell
  1. Right-click the Start menu. Select Windows PowerShell or Windows PowerShell (Admin).
  2. Type the following command and press Enter: wmic diskdrive get model,serialNumber,size,mediaType.

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