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True STR Series Installation Manual

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TRUE
manufacturing co
CONGRATULATIONS!
You have just purchased the finest commercial refrigerator
available. You can expect many years of trouble-free operation.

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Ownership & Uncrating
WARRANTY
Warranty
SPEC SERIES®: STR, STA & STG, ROLL-IN AND ROLL-THROUGH
TRUE MANUFACTURING CO., 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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INSTALLATION MANUAL
SPEC SERIES®: STR, STA & STG, ROLL-IN AND ROLL-THROUGH
STR1RRI89-1S
STR2RRT-2G-2S
INSTALLATION MANUAL

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  • Page 1: Table Of Contents

    SPEC SERIES®: STR, STA & STG, ROLL-IN AND ROLL-THROUGH TRUE MANUFACTURING CO., 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...

  • 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

    NORTH AMERICA USE ONLY! agent. 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. 115/60/1...

  • Page 4: Installation

    TRUE equipment. The cost of a Remove the key. professional installation is money well spent. Before you start to install your TRUE unit, carefully inspect it for freight damage. If damage is discovered, immediately file a claim with the delivery freight carrier.

  • Page 5: How To Connect To Electricity & Wire Gauge Chart

    All units are equipped with a service cord, and must be powered at proper operating voltage at all times. Refer to cabinet data plate for this voltage. TRUE RECOMMENDS THAT A SOLE USE CIRCUIT BE DEDICATED FOR THE UNIT. WARNING: Compressor warranties are void if compressor burns out due to low voltage.

  • Page 6: Locating And Leveling

    INSUFFICIENT. the floor. Proper leveling of your TRUE cooler is critical to operating NSF APPROVED SEALANTS: success (for non-mobile models). Effective condensate removal and door operation will be effected by leveling.

  • Page 7: Ramp Installation

    TRUE truemfg SPEC SERIES®: STR, STA & STG, ROLL-IN AND ROLL-THROUGH ROLL-IN & ROLL-THRU RAMP INSTALLATION DOOR SWEEP GASKET ADJUSTMENT Once the cabinet is in its final location and level the roll-in ramp can To adjust door sweeper gasket, loosen slotted thumbscrews. The be installed.

  • Page 8: Setup

    TRUE truemfg SPEC SERIES®: STR, STA & STG, ROLL-IN AND ROLL-THROUGH SETUP STANDARD ACCESSORIES DOOR CONFIGURATION: After installing, cabinet doors can be adjusted for alignment. The hinge on the door and hinge on the cabinet can be adjusted accordingly. STEP 1 To remove door open at a 90˚...

  • Page 9: Operation

    TRUE dealer or recommended service agent. D. Good air flow in your TRUE unit is critical. Be careful to load product so that it neither presses against the back wall, nor comes within four inches of the evaporator housing.

  • Page 10: Mechanical Temperature Controls Sequence Of Operation

    TRUE truemfg SPEC SERIES®: STR, STA & STG, ROLL-IN AND ROLL-THROUGH 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 temperature.
  • Page 11 TRUE truemfg SPEC SERIES®: STR, STA & STG, ROLL-IN AND ROLL-THROUGH 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”...
  • Page 12 TRUE truemfg SPEC SERIES®: STR, STA & STG, ROLL-IN AND ROLL-THROUGH 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...
  • Page 13 TRUE truemfg SPEC SERIES®: STR, STA & STG, ROLL-IN AND ROLL-THROUGH 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.
  • Page 14 TRUE truemfg SPEC SERIES®: STR, STA & STG, ROLL-IN AND ROLL-THROUGH 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 15 RECOMMENDED DEFROST SETTINGS: The following procedure may be followed to customize your needs. TRUE Manufacturing has factory set your defrost time clock to a High usage, high temperature, and high humidity may require 4 recommended time and duration defrost scenario. All refrigeration defrost settings per day.

  • Page 16: Electronic Temperature Controls Sequence Of Operation

    TRUE truemfg SPEC SERIES®: STR, STA & STG, ROLL-IN AND ROLL-THROUGH 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 17 TRUE truemfg SPEC SERIES®: STR, STA & STG, ROLL-IN AND ROLL-THROUGH 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...
  • Page 18 TRUE truemfg SPEC SERIES®: STR, STA & STG, ROLL-IN AND ROLL-THROUGH 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.
  • Page 19 TRUE truemfg SPEC SERIES®: STR, STA & STG, ROLL-IN AND ROLL-THROUGH 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 20 TRUE truemfg SPEC SERIES®: STR, STA & STG, ROLL-IN AND ROLL-THROUGH 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 21 TRUE truemfg SPEC SERIES®: STR, STA & STG, ROLL-IN AND ROLL-THROUGH 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 22 TRUE truemfg SPEC SERIES®: STR, STA & STG, ROLL-IN AND ROLL-THROUGH 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.
  • Page 23 TRUE truemfg SPEC SERIES®: STR, STA & STG, ROLL-IN AND ROLL-THROUGH 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 24 TRUE truemfg SPEC SERIES®: STR, STA & STG, ROLL-IN AND ROLL-THROUGH 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.

  • Page 25: Maintenance, Care, Cleaning

    TRUE truemfg SPEC SERIES®: STR, STA & STG, ROLL-IN AND ROLL-THROUGH MAINTENANCE, CARE, CLEANING CLEANING THE CONDENSER COIL When using electrical appliances, basic safety precautions should be followed, including the following. Disconnect power to unit. TOOLS REQUIRED • Phillips Screwdriver •...

  • Page 26: Important Warranty Information

    CO2, nitrogen, or pressurized air. 6. Reconnect the electrical power to the unit. If you have any questions, please call TRUE Manufacturing at 636-240- If you cannot remove the dirt adequately, please call your refrigera- 2400 or 800-325-6152 and ask for the Service Department. Direct tion service company.

  • Page 27: Stainless Steel Equipment Care And Cleaning

    TRUE truemfg SPEC SERIES®: STR, STA & STG, ROLL-IN AND ROLL-THROUGH STAINLESS STEEL EQUIPMENT CARE 8 STEPS THAT CAN HELP PREVENT RUST ON AND CLEANING STAINLESS STEEL: CAUTION: Do not use any steel wool, abrasive or chlorine based USING THE CORRECT CLEANING TOOLS products to clean stainless steel surfaces.

  • Page 28: General Maintenance

    TRUE truemfg SPEC SERIES®: STR, STA & STG, ROLL-IN AND ROLL-THROUGH GENERAL MAINTENANCE LIGHT BULB REPLACEMENT (INTERIOR LIGHTS) GENERAL MAINTENANCE WARNING: When replacing a light bulb make sure power to the unit is either turned off or unplugged. Be careful when removing the light bulb. Please be aware of your local ordinances in disposing old bulbs.
  • Page 29 TRUE and upon proper installation and start-up in accordance with the instruction packet supplied with each TRUE unit. TRUE’s obligation under this warranty is limited to a period of three (3) years from the date of original installation or 39 months after shipment date from TRUE, whichever occurs first.

This manual is also suitable for:

Sta seriesStg seriesStr1rri89-1sStr2rrt-2g-2sStg1rri-1sSta1fpt-1s-1s

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