True TGU-3-HC Installation Manual
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True TGU-3-HC Installation Manual

Counter fridge tgu series
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TRUE
food service equipment
CONGRATULATIONS!
You have just purchased the finest commercial refrigerator
available. You can expect many years of trouble-free operation.

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TRUE FOOD SERVICE EQUIPMENT, INC.
2001 East Terra Lane • O'Fallon, Missouri 63366-4434
(636)-240-2400 • FAX (636)-272-2408 • INT'L FAX (636)272-7546 • (800)-325-6152
Parts Department (800)-424-TRUE • Parts Department FAX# (636)-272-9471
Web: www.truemfg.com
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gastronorm undercounters
INSTALLATION MANUAL
TGU-3-HC
INSTALLATION MANUAL
tgu
AC · MISC1914 · 05.04.2017 ·975554

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Summary of Contents for True TGU-3-HC

  • Page 1: Table Of Contents

    TRUE FOOD SERVICE EQUIPMENT, INC. 2001 East Terra Lane • O’Fallon, Missouri 63366-4434 (636)-240-2400 • FAX (636)-272-2408 • INT'L FAX (636)272-7546 • (800)-325-6152 Parts Department (800)-424-TRUE • Parts Department FAX# (636)-272-9471 Web: www.truemfg.com AC · MISC1914 · 05.04.2017 ·975554...

  • Page 2: Safety Information

    You have selected one of the finest commercial refrigeration units made. It is manufactured under strict quality controls with only the best quality materials available. Your TRUE cooler when properly maintained will give you many years of trouble-free service. WARNING: Use this appliance for its intended purpose as described in this Owner Manual.

  • Page 3: Proper Disposal, Connecting Electricity, & Adapter Plugs

    NEMA plugs TRUE uses these types of plugs. If you do not have the right outlet have a certified electrician install the correct power source. NOTE: International plug configurations vary by voltage and country.

  • Page 4: Installation

    • Lamps must be replaced by identical lamps only. Before you start to install your TRUE unit, carefully inspect it for freight damage. If damage is discovered, immediately file a claim with • Appliance tested according to the climate classes 5 and 7 the delivery freight carrier.

  • Page 5: Wire Gauge Chart

    TRUE tgu / tgw truemfg WIRE GAUGE CHART 115 Volt s Distance In Feet To Center of Load 230 Volts Distance In Feet To Center of Load Amps 20 30 40 50 60 70 80 90 100 120 140 160...

  • Page 6: Locating And Leveling

    INSUFFICIENT. Remove skid by unscrewing all base rail anchor brackets. Place Proper leveling of your TRUE cooler is critical to operating skid to the side. success (for non-mobile models). Effective condensate removal C. Carefully lift cabinet upright.

  • Page 7: Installation Of Legs Or Castors

    Four leveling shims have been provided for leveling castored units positioned on uneven floors. Shims must be positioned between rail end and bearing race. TRUE recommends a four shim limit to any single castor. Thread four screws into castor in the underside of cabinet frame rail.

  • Page 8: Setup

    -10°F (-23.3°C). Allow unit to function several hours, completely cooling cabinet before D. Good air flow in your TRUE unit is critical. Be careful to changing the control setting. load product so that it neither presses against the back wall, nor comes within four inches of the evaporator housing.

  • Page 9: Mechanical Temperature Controls Sequence Of Operation

    TRUE tgu / tgw truemfg MECHANICAL TEMPERATURE CONTROLS COIL SENSING An evaporator coil sensing temperature control ensures that the evaporator coil will remain clear of frost and ice by not allowing the compressor to restart until the coil temperature is above the freezing tempera- ture.
  • Page 10 TRUE tgu / tgw truemfg MECHANICAL CONTROL FREEZER GENERAL SEQUENCE OF OPERATION 1. Cabinet is plugged in. a. Interior lights will illuminate on glass door models only. If lights do not come on, verify the light switch is in the “ON” position. Solid door cabinets may or may not have lights that may be controlled by the door switch.
  • Page 11 TRUE tgu / tgw truemfg WHEN TO MAKE AN ADJUSTMENT TO A MECHANICAL TEMPERATURE CONTROL We advise to make a mechanical temperature control adjustment only for a high altitude location. HOW TO ADJUST A MECHANICAL TEMPERATURE CONTROL OPERATION INSTRUCTIONS: Back of Temperature...

  • Page 12: Installation Instructions

    TRUE tgu / tgw truemfg INSTRUCTIONS: DANFOSS TEMPERATURE CONTROL ADJUSTMENT FOR HIGH ALTITUDE APPLICATIONS STEP 1 - Unplug cooler. STEP 2 - Remove the screws that secure the temperature control to the inset box. STEP 3 - To make these adjustments it may be necessary to remove the temperature control from the housing.
  • Page 13 TRUE tgu / tgw truemfg CHART CCW Adjustment (based on 360°/ Height complete turn) 2000' 42° 3000' 78° 4000' 114° 5000' 150° 6000' 186° 7000' 222° 8000' 258° 9000' 294° 10,000' 330° BUL. NO.

  • Page 14: Defrost Controls

    TRUE tgu / tgw truemfg DEFROST CONTROLS TIME INITIATED, TIME TERMINATED Timer Location: Defrost timer can be found directly below the mechanical temperature control. To adjust the defrost cycle time there is only one possible adjustment; Once the cabinet has reach the design temperature, pick the time of the day that you want the unit to defrost.

  • Page 15: Electronic Temperature Controls Sequence Of Operation

    TRUE tgu / tgw truemfg ELECTRONIC TEMPERATURE CONTROLS LAE ELECTRONIC TEMPERATURE CONTROL GENERAL SEQUENCE OF OPERATION t1 = Thermostat t2 = Defrost t3 = Display t3 probe is not installed and / or activated in all applications when t3 is not installed and / or activated, the display probe is t1.
  • Page 16 TRUE tgu / tgw truemfg HOW TO DIAGNOSE AN LAE ELECTRONIC CONTROL Indicator lights for Refrigeration/Heating Mode, Fan Operation, Defrost Mode. LAE Control LAE Control Icons Compressor Running Evaporator Fan Running Cabinet in Defrost Activation of 2nd Parameter Set Alarm...
  • Page 17 TRUE tgu / tgw truemfg LAE Control Info / Set Point Manual Defrost / Button Down Button Manual Activation Stand-By Up Button Button HOW TO TURN OFF THE LAE ELECTRONIC CONTROL: May need to unlock control. WHY: Turning off the control will deactivate all electrical components.
  • Page 18 TRUE tgu / tgw truemfg LAE Control Info / Set Point Manual Defrost / Button Down Button Manual Activation Stand-By Up Button Button CHANGING THE "SET POINT": May need to unlock control. WHY: The set point is the temperature at which the compressor will shut off.
  • Page 19 TRUE tgu / tgw truemfg LAE Control Info / Set Point Manual Defrost / Button Down Button Manual Activation Stand-By Up Button Button INITIATE A MANUAL DEFROST: May need to unlock control. WHY: A one time additional defrost may be necessary to clear accumulated frost / ice from evaporator coil.
  • Page 20 TRUE tgu / tgw truemfg LAE Control Info / Set Point Manual Defrost / Button Down Button Manual Activation Stand-By Up Button Button CHANGING “DEFROST INTERVALS”: May need to unlock control. This can only be changed if defrost mode parameter “DFM” is set for “TIM”.
  • Page 21 TRUE tgu / tgw truemfg LAE Control Info / Set Point Manual Defrost / Button Down Button Manual Activation Stand-By Up Button Button HOW TO CHANGE DISPLAY READOUT FROM FAHRENHEIT TO CELSIUS: May need to unlock control. This can NOT be changed with the LAE model AR2-28 version of the control. See page 32 for more information.
  • Page 22 TRUE tgu / tgw truemfg LAE Control Info / Set Point Manual Defrost / Button Down Button Manual Activation Stand-By Up Button Button DISPLAYING TEMPERATURE PROBES, T1, T2, T3: WHY: To display temperature probe readings in different locations of the cabinet.
  • Page 23 TRUE tgu / tgw truemfg LAE CONTROLLER PARAMETER SETTINGS FOR CELSIUS AR2-28 For LAE control model AR2-28 ONLY, ALL parameters with a formula (X-32) / 1.8 shown need to be converted for Celsius applications. (X-32) / 1.8 (X-32) / 1.8 (X-32) / 1.8...

  • Page 24: Maintenance, Care, Cleaning

    TRUE tgu / tgw truemfg MAINTENANCE, CARE, CLEANING CLEANING THE CONDENSER COIL When using electrical appliances, basic safety precautions should be followed, including the following: TOOLS REQUIRED • Phillips Screwdriver • Air Tank or CO2 Tank • Stiff Bristle Brush •...

  • Page 25: Important Warranty Information

    Reconnect the electrical power to the unit. The Condenser looks like a group of vertical fins. You need to be able If you have any questions, please call TRUE Manufacturing at 636-240- to see through the condenser for the unit to function at maximum 2400 or 800-325-6152 and ask for the Service Department.

  • Page 26: Stainless Steel Equipment Care And Cleaning

    TRUE tgu / tgw truemfg STAINLESS STEEL EQUIPMENT CARE MAINTAINING THE CLEANLINESS OF YOUR AND CLEANING FOOD EQUIPMENT Use cleaners at the recommended strength (alkaline chlorinated CAUTION: Do not use any steel wool, abrasive or chlorine based or non-chloride). Avoid build-up of hard stains by cleaning products to clean stainless steel surfaces.

This manual is also suitable for:

Tgu-2-hc

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