True STM1R-1S Installation Manual

Stm refrigerator/freezer

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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.

TABLE OF CONTENTS

SAFETY INFORMATION

Safety Precautions

Proper Disposal, Connecting Electricity, & Adapter Plugs

INSTALLATION

Ownership & Uncrating

How to Connect to Electricity & Wire Gauge Chart

Locating and Installation of Legs or Castors

Leveling & Sealing Cabinet to the Floor

SETUP

Standard Accessories

OPERATION

Startup

Electronic Temperature Controls Sequence of Operation

MAINTENANCE, CARE, CLEANING

Cleaning Condenser Coil

Important Warranty Information

Stainless Steel Equipment Care and Cleaning

General Maintenance

WARRANTY

Warranty

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

inc

T-SERIES: STM REFRIGERATOR/FREEZER

INSTALLATION MANUAL

STM1R-1S

STM2F-2S

INSTALLATION MANUAL

T-SERIES: STM

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Summary of Contents for True STM1R-1S

Page 1 Warranty STM2F-2S INSTALLATION MANUAL T-SERIES: STM REFRIGERATOR/FREEZER 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...
Page 2 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 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 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 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 TRUE truemfg T-SERIES: STM LOCATING Make sure unit is as close to the final location as possible. Remove the shipping bolts located at the bottom of the wooden skid. Carefully slide the unit off the wooden skid. Slide packing material underneath the side of the unit hanging off the skid.
Page 7 STEP 2 - Level Cabinet - Cabinet should be level, side to side and front to back. Place a carpenter’s level in the interior floor in four Proper leveling of your TRUE cooler is critical to operating places: success (for non-mobile models). Effective condensate removal and door operation will be effected by leveling.
Page 8 Do not use pliers or any crimping tools PILASTER INSTALLATION & OPERATION when installing shelf clips. Altering shelf clips TRUE STR, STA, and STG cabinets are available with four different in any way can lead to shelving instability. shelving / tray slide options.
Page 9 TRUE truemfg T-SERIES: STM CONFIGURATION (PILASTERS): Each TRUE T-Series (STM) is available with two pilaster configurations. Each configuration depends on the end user preference. Multiple door units can have two configurations for each section. See image 7. INSTALLATION PROCEDURES (PILASTERS): Install slotted thumb screws into threaded holes along the inside wall of the cabinet.
Page 10 TRUE truemfg T-SERIES: STM EXAMPLES OF POSSIBLE CONFIGURATIONS FOR TRAY SLIDES OR SHELVES Kit #2 Kit #1 Kit #3 Kit #1 Kit #3 Kit #2 Kit #3 Kit #2 Kit #4 18 1/8" 21 1/4" 460 mm 540 mm Angle Type Universal &...
Page 11 TRUE truemfg T-SERIES: STM DOOR OPERATION 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˚ angle from the cabinet and lift door up and out from the cabinet hinges carefully avoiding rainshield.
Page 12 -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 13 TRUE truemfg T-SERIES: STM ELECTRONIC TEMPERATURE CONTROLS LAE ELECTRONIC TEMPERATURE CONTROL GENERAL SEQUENCE OF OPERATION t1 = supply air / return air* (thermostat) * STA, STG, STM, STR Models. t2 = coil / copper line (defrost) t3 = return air / supply air* (display) t3 probe is not installed and / or activated in all applications with t3 is not installed and / or activated, the display probe is t1.
Page 14 TRUE truemfg T-SERIES: STM 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 Info / Set Point...
Page 15 TRUE truemfg T-SERIES: STM 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 16 TRUE truemfg T-SERIES: STM 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 17 TRUE truemfg T-SERIES: STM 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 18 TRUE truemfg T-SERIES: STM 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 19 TRUE truemfg T-SERIES: STM 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 only be changed with the LAE model BR1 version of the control.
Page 20 TRUE truemfg T-SERIES: STM 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 21 TRUE truemfg T-SERIES: STM LAE Controller Parameter Settings for Celsius BIT25 For every model / version of the LAE controller, (X-32) / 1.8 ALL parameters with a formula shown need to be (X-32) / 1.8 (X-32) / 1.8 (X-32) / 1.8 converted for Celsius applications.
Page 22 TRUE truemfg T-SERIES: STM MAINTENANCE, CARE, CLEANING CLEANING THE CONDENSER COIL Thumbscrews located on cabinet ends When using electrical appliances, basic safety precautions should be followed, including the following. Disconnect power to unit. TOOLS REQUIRED • Phillips Screwdriver • Air Tank or CO2 Tank •...
Page 23 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 24 TRUE truemfg T-SERIES: STM 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 25 TRUE truemfg T-SERIES: STM 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 26 TRUE and upon proper installation and start-up in accordance with the instruc- tion 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:

T series Stm2f-2s