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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

CONGRATULATIONS! 

You have just purchased the finest commercial refrigerator 

available.  You can expect many years of trouble-free operation.

TRUE

manufacturing

 

co

., 

inc

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INSTALLATION MANUAL

INSTALLATION MANUAL

SPEC SERIES®: STR, STA & STG, ROLL-IN AND ROLL-THROUGH

TABLE OF CONTENTS

SAFETY INFORMATION

Safety Precautions  

1

Proper Disposal, Connecting Electricity, & Adapter Plugs  

2

INSTALLATION

Ownership & Uncrating  

3

How to Connect to Electricity & Wire Gauge Chart  

4

Locating and Leveling  

5

Sealing Cabinet to the Floor  

5

Ramp Installation  

6

SETUP

Standard Accessories  

7

OPERATION

Startup  

8

Mechanical Temperature Controls Sequence of Operation  

9

Electronic Temperature Controls Sequence of Operation  

15

MAINTENANCE, CARE, CLEANING

Cleaning Condenser Coil  

24

Important Warranty Information  

25

Stainless Steel Equipment Care and Cleaning  

26

General Maintenance  

27

WARRANTY

Warranty  

28

STR1RRI89-1S

STR2RRT-2G-2S

Summary of Contents for SPEC STR1RRI89-1S

Page 1: ... SERIES STR STA STG ROLL IN AND ROLL THROUGH TABLE OF CONTENTS SAFETY INFORMATION Safety Precautions 1 Proper Disposal Connecting Electricity Adapter Plugs 2 INSTALLATION Ownership Uncrating 3 How to Connect to Electricity Wire Gauge Chart 4 Locating and Leveling 5 Sealing Cabinet to the Floor 5 Ramp Installation 6 SETUP Standard Accessories 7 OPERATION Startup 8 Mechanical Temperature Controls Se...

Page 2: ... Risk of fire or explosion Dispose of properly in accordance with federal or local regulations Flammable refrigerant used CAUTION Risk of fire or explosion due to puncture of refrigerant tubing follow handling instructions carefully Flammable refrigerant used CAUTION Keep clear of obstruction all ventilation openings in the appliance enclosure or in the structure for building in SAFETY INFORMATION...

Page 3: ...LIANCE MUST BE PROPERLY GROUNDED The power cord from this appliance is equipped with a grounding plug which minimizes the possibility of electric shock hazard Have the wall outlet and circuit checked by a qualified electrician to make sure the outlet is properly grounded If the outlet is a standard 2 prong outlet it is your personal respon sibility and obligation to have it replaced with the prope...

Page 4: ... responsible for damage incurred during shipment UNCRATING TOOLS REQUIRED Adjustable Wrench 1 2 inch socket Castor Bolts 3 4 inch socket Skid Bolts Level The following procedure is recommended for uncrating the unit A Remove the outer packaging cardboard and bubbles or Styrofoam corners and clear plastic Inspect for concealed damage Again immediately file a claim with the freight carrier if there ...

Page 5: ...lity of electric shock hazard from this appliance Have the wall outlet and circuit checked by a qualified electrician to make sure the outlet is properly grounded If the outlet is a standard 2 prong outlet it is your personal responsibility and obligation to have it replaced with the properly grounded wall outlet The unit should always be plugged into its own individual electrical circuit which ha...

Page 6: ...WARRANTIES ARE VOID IF OEM POWER CORD IS TAMPERED WITH TRUE WILL NOT WARRANTY ANY UNITS THAT ARE CONNECTED TO AN EXTENSION CORD Removing shipping bolts SEALING CABINET TO FLOOR STEP 1 Position Cabinet Allow one inch between the wall and rear of the refrigerator to assure proper ventilation For freezers 3 inches between the wall and rear of the cabinet will assure proper ventilation STEP 2 Level Ca...

Page 7: ...ome contact with the ramp when the door is closing This can be checked by opening up the door 3 4 and allowing the door to close This process may have to be done several times before securing the sweeper gasket bracket Once gasket is properly adjusted tighten slotted thumbscrews 1 2 3 4 DOOR SWEEP GASKET ADJUSTMENT To adjust door sweeper gasket loosen slotted thumbscrews The gasket can then be mov...

Page 8: ...e STEP 3 The hinge on the cabinet door can also be adjusted Remove cover from hinge located on the door Pull on the cover directly out from the door See image 3 This exposes the three Phillips screws anchoring the hinge to the door Loosen these three screws but don t remove them The hinge can be moved side to side up and down See image 4 NOTE WHEN TIGHTENING THE HINGES TO THE CABINET AND DOOR DO N...

Page 9: ...n four inches of the evaporator housing Refrigerated air off the coil must circulate down the back wall NOTE If the unit is disconnected or shut off wait five minutes before starting again RECOMMENDATION Before loading product we recommend you run your TRUE unit empty for two to three days This allows you to be sure electrical wiring and installation are correct and no shipping damage has occurred...

Page 10: ...r may reflect the refrigeration cycle swings of up and down temperatures The most accurate temperature on a cabinet s operation is to verify the product temperature 4 There is not a defrost timer as the temperature control will initiate the off cycle defrost during each refrigeration cycle a At this time the compressor will and the evaporator fan s may turn off Defrost heaters are not installed on...

Page 11: ...gether a The temperature control is sensing the air temperature b The temperature control should be set on the 4 or 5 c The warmest setting is 1 the coldest is 9 and 0 is the off position d The thermometer is designed to read and display a cabinet temperature not a product temperature The thermometer may reflect the refrigeration cycle swings of up and down temperatures The most accurate temperatu...

Page 12: ...more than 3 4 turn After making adjustment measure temperature during three cycles before adjusting again NOTE Only adjust the screw small flathead on the face of the control next to the cam See Figure 3 Follow the Altitude Correction Table to the right WARMER COLDER 60 30 45 40 35 50 55 15 20 25 10 5 We advise to make a mechanical temperature control adjustment only for a high altitude location C...

Page 13: ...control Take note as to which wire is on which spade terminal STEP 4 Pull out gently from cabinet NOTE Mechanical temperature controllers are affected when functioning at high altitude The cut in and cut out temperatures will be colder than when the controller functions closer to sea level STEP 5 For high elevation installations it may be necessary to warm up the set points To make the adjustment ...

Page 14: ...ND ROLL THROUGH www truemfg com 13 O 9 8 7 6 5 4 3 2 1 2 O 9 8 7 5 4 3 2 1 CUT OUT CUT IN COLDER BUL NO CHART CCW Adjustment based on 360 complete turn Height 2000 42 3000 78 4000 114 5000 150 6000 186 7000 222 8000 258 9000 294 10 000 330 ...

Page 15: ...R DEFROST TIME CLOCK OPERATION FOR UNITS WITH MECHANICAL CONTROL RECOMMENDED DEFROST SETTINGS TRUE Manufacturing has factory set your defrost time clock to a recommended time and duration defrost scenario All refrigeration equipment operating below 30 F will accumulate frost on the evapo rator coil and will require routine defrost Your TRUE equipment has been designed for three defrost periods 6 0...

Page 16: ... not a product temperature This cabinet temperature may reflect the refrigeration cycle of the Set Point and its Differential or it may show an average temperature The most accurate temperature on a cabinets operation is to verify the product temperature Example If the Set Point is 9 F 23 C and the Differential is 10 F 5 C Set Point 9 F 10 Differential 1 F Or Set Point 23 C 5 Differential 18 C The...

Page 17: ... the lock setting has been set correctly release the info button Wait 5 seconds for the display to show temperature See image 5 USING THE LAE ELECTRONIC CONTROL LOCKING AND UNLOCKING THE LAE CONTROLLER WHY Locking of control is necessary to prevent changes to program that may affect cabinet operation Image 3 If no appears on screen the controller is unlocked 3 2 1 5 4 Image 4 If yes appears on scr...

Page 18: ... control repeat prior steps and a temperature will appear ON Position TURNING THE GLASS DOOR MODEL LIGHTS ON AND OFF May need to unlock control WHY Light may be controlled by LAE Controller or interior light switch Solid Door model lights are controlled by a door switch HOW TO TURN THE GLASS DOOR MODEL LIGHT ON AND OFF STEP 1 To control interior sign lights by the LAE Controller press and release ...

Page 19: ...holding temperature HOW TO CHANGE THE SET POINT STEP 1 To see the set point press and hold the Info button See image 1 STEP 2 While still holding the Info button press the Up or Down button to change the set point STEP 3 Once the set point has been set correctly release the Info button The display will show temperature See image 2 1 2 LAE Control Manual Activation Up Button Info Set Point Button S...

Page 20: ...ler REGULAR TIME DEFROST TIM If controller is preprogrammed for TIM press and release the Manual Defrost button until dEF appears REAL TIME CLOCK RTC If controller is preprogrammed for RTC press the and hold the Manual Defrost button for 5 seconds until dh1 appears Release the Manual Defrost button and then press and hold for an additional 5 seconds until dEF appears NOTE Defrost will only termina...

Page 21: ...he same time NOTE Depending on the version of control one of three parameters will appear ScL image 1a SPL image 1b MdL image 1c STEP 2 Push the Up button until dFt appears See image 2 STEP 3 Press and hold the Info button to see the defrost interval time See image 3 STEP 4 While pressing and holding the Info button press the Up or Down button to change the defrost interval times higher the number...

Page 22: ...plication HOW TO CHANGE DISPLAY READOUT FROM FAHRENHEIT TO CELSIUS STEP 1 To change the display press and hold the Info button and the Stand by button at the same time MdL or SPL will appear See images 1a and 1b STEP 2 Push the Down button until ScL appears See image 2 STEP 3 Press and hold the Info button to see the readout scale See image 3 STEP 4 While pressing and holding the Info button press...

Page 23: ...rature of the T3 probe If probe T3 is not activated t3 will not appear of the display DISPLAYING TEMPERATURE PROBES T1 T2 T3 WHY To display temperature probe readings in different locations of the cabinet DISPLAY CODES DISPLAY Defrost in progress Room high temperature alarm Controller in stand by Room low temperature alarm Door open alarm Probe T1 failure Instant Probe 1 temperature Probe T2 failu...

Page 24: ... 32 1 8 6 7 Celsius AR2 28 SCL 1C ADO SPL X 32 1 8 AHM SPH X 32 1 8 AHT X 32 1 8 SP X 32 1 8 ACC C H IISM HYS X 1 8 IISL X 32 1 8 CRT IISH X 32 1 8 CT1 IISP X 32 1 8 CT2 IIHY X 1 8 CSD IIFC DFM HDS DFT IIDF DH1 SB DH2 DS DH3 DSM DH4 DI2 DH5 STT DH6 EDT DLI X 32 1 8 LSM DTO OA1 DTY OA2 DPD CD DRN INP DDM OS1 X 1 8 DDY T2 FID OS2 X 1 8 FDD X 32 1 8 T3 FTO OS3 X 1 8 FCM TLD FDT X 1 8 TDS FDH X 1 8 AV...

Page 25: ...EP 3 Clean off accumulated dirt from the condenser coil and the fan with a stiff bristle brush After brushing the components off vacuum all dirt residue from the coil fan and surrounding areas See image 2 NOTE If you cannot completely clean the condensing coil due to its position then the front louvered panel will need to be removed See Images 3 and 4 Phillips Screwdriver Stiff Bristle Brush Adjus...

Page 26: ...ift open the cabinet rainshield to expose the Condenser Spec Series models The Condenser looks like a group of vertical fins You need to be able to see through the condenser for the unit to function at maximum capacity Do not place filter material in front of condensing coil This material blocks air flow to the coil similar to having a dirty coil THE CLEANING OF THE CONDENSER IS NOT COVERED BY THE...

Page 27: ...AN HELP PREVENT RUST ON STAINLESS STEEL 1 USING THE CORRECT CLEANING TOOLS Use non abrasive tools when cleaning your stainless steel products The stainless steel s passive layer will not be harmed by soft cloths and plastic scouring pads Step 2 tells you how to find the polishing marks 2 CLEANING ALONG THE POLISH LINES Polishing lines or grain are visible on some stainless steels Always scrub para...

Page 28: ...ake 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 These bulbs should be disposed in a safe and correct manner Simply unscrew the light bulb See images 1 2 1 Interior Light 2 Interior Light FOR ADDITIONAL MAINTENANCE INSTRUCTION PLEASE VISIT THE MEDIA CENTER AT WWW TRUEMFG COM ...

Page 29: ... 3 Micron level vacuums must be achieved to insure low moisture levels in the system 500 microns or lower must be obtained All claims for labor or parts must be made directly through TRUE All claims should include model number of the unit the serial number of the cabinet proof of purchase date of installation and all pertinent information supporting the existence of the alleged defect In case of w...

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