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STAINLESS STEEL EQUIPMENT CARE  

AND CLEANING

CAUTION: 

Do not use any steel wool, abrasive or chlorine based 

products to clean stainless steel surfaces.

STAINLESS STEEL OPPONENTS

There are three basic things which can break down your stainless 
steel’s passivity layer and allow corrosion to rear its ugly head.

1.  Scratches from wire brushes, scrapers, and steel pads are just 

a few examples of items that can be abrasive to stainless steel’s 
surface.

2.  Deposits left on your stainless steel can leave spots. You may have 

hard or soft water depending on what part of the country you live 
in. Hard water can leave spots. Hard water that is heated can leave  
deposits if left to sit too long. These deposits can cause the 
passive layer to break down and rust your stainless steel. All 
deposits left from food prep or service should be removed as 
soon as possible.

3.  Chlorides are present in table salt, food, and water. Household 

and industrial cleaners are the worst type of chlorides to use.

8 STEPS THAT CAN 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 parallel to visible lines on some stainless steels. 
Use a plastic scouring pad or soft cloth when you cannot see 
the grain.

3. 

USE ALKALINE, ALKALINE CHLORINATED OR 
NON-CHLORIDE CONTAINING CLEANERS

 

While many traditional cleaners are loaded with chlorides, the 
industry is providing an ever increasing choice of non-chloride 
cleaners. If you are not sure of your cleaner’s chloride content 
contact your cleaner supplier. If they tell you that your present 
cleaner contains chlorides, ask if they have an alternative. Avoid 
cleaners containing quaternary salts as they can attack stainless 
steel, causing pitting and rusting.

4.  

WATER TREATMENT

 

To reduce deposits, soften the hard water when possible. 
Installation of certain filters can remove corrosive and distasteful 
elements. Salts in a properly maintained water softener can be 
to your advantage. Contact a treatment specialist if you are not 
sure of the proper water treatment.

RECOMMENDED CLEANERS FOR CERTAIN 
SITUATIONS / ENVIRONMENTS OF STAINLESS 
STEEL

A.   Soap, ammonia and detergent medallion applied with a cloth or 

sponge can be used for routine cleaning.

B.   Arcal 20, Lac-O-Nu Ecoshine applied provides barrier film for 

fingerprints and smears. 

C.  Cameo, Talc, Zud First Impression is applied by rubbing in 

the direction of the polished lines for stubborn stains and 
discoloring. 

D.   Easy-off and De-Grease It oven aid are excellent for removals 

on all finishes for grease-fatty acids, blood and burnt-on foods.

E.   Any good commercial detergent can be applied with a sponge 

or cloth to remove grease and oil.

F.   Benefit, Super Sheen, Sheila Shine are good for restoration / 

passivation.

NOTE: 

 The use of stainless steel cleaners or other such solvents is 

not recommended on plastic parts. Warm soap and water will suffice.

5.  

MAINTAINING THE CLEANLINESS OF YOUR 
FOOD EQUIPMENT

 

Use cleaners at the recommended strength (alkaline chlorinated 
or non-chloride). Avoid build-up of hard stains by cleaning 
frequently. When boiling water with your stainless steel 
equipment, the single most likely cause of damage is chlorides 
in the water. Heating any cleaners containing chlorides will have 
the same damaging effects.

6.  

RINSE

 

When using chlorinated cleaners you must rinse and wipe dry 
immediately. It is better to wipe standing cleaning agents and 
water as soon as possible. Allow the stainless steel equipment 
to air dry. Oxygen helps maintain the passivity film on stainless 
steel.

7.  

HYDROCHLORIC ACID (MURIATIC ACID) 
SHOULD NEVER BE USED ON STAINLESS STEEL

8.  

REGULARLY RESTORE/PASSIVATE STAINLESS 
STEEL

FOR ADDITIONAL MAINTENANCE INSTRUCTION, 
PLEASE VISIT THE  MEDIA  CENTER AT   
WWW.TRUEMFG.COM

Summary of Contents for TGU-2-HC

Page 1: ...nc INSTALLATION MANUAL INSTALLATION MANUAL true counter refrigerators and freezers TABLE OF CONTENTS SAFETY INFORMATION Safety Precautions 1 Proper Disposal Connecting Electricity Adapter Plugs 2 INST...

Page 2: ...autions must be followed CAUTION 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 punct...

Page 3: ...Y 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 electri...

Page 4: ...ll wiring diagram is positioned on the inside cabinet wall INSTALLATION 1 2 OWNERSHIP To ensure that your unit works properly from the first day it must be installed properly We highly recommend a tra...

Page 5: ...6 6 6 6 6 5 4 4 3 70 10 10 8 6 6 6 5 5 4 4 2 2 80 10 8 8 6 6 5 5 4 4 3 2 2 90 10 8 6 6 5 5 4 4 3 3 1 1 100 10 8 6 6 5 4 4 3 3 2 1 1 115 Volts Distance In Feet To Center of Load Amps 20 30 40 50 60 70...

Page 6: ...ns 100 F 38 C you may want to install an exhaust fan WARNING WARRANTY IS VOID IF VENTILATION IS INSUFFICIENT B Proper leveling of your TRUE cooler is critical to operating success for non mobile model...

Page 7: ...Install the desired number of shims making sure the slot of the shim is in contact with the threaded stem of the castor See image 2 C If more than one shim is used turn the slot at a 90 angle so they...

Page 8: ...of the cooler Level cabinet STEP 3 Draw an outline on the base on the floor STEP 4 Raise and block the front side of the cabinet STEP 5 Apply a bead of NSF Approved Sealant see list below to floor on...

Page 9: ...e will vary upon model and age of cabinet Mechanical control or electronic control without display Inside cabinet Behind cabinet Behind front or rear access grill Electronic control with display In co...

Page 10: ...ture 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 t...

Page 11: ...een 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 contro...

Page 12: ...t off power to the cabinet Cabinet must be unplugged prior to any repair HOW TO TURN OFF THE LAE ELECTRONIC CONTROL STEP 1 To turn off control press and hold the Stand by button until OFF appears Rele...

Page 13: ...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 On...

Page 14: ...OST 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 De...

Page 15: ...ding 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...

Page 16: ...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...

Page 17: ...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 DISP...

Page 18: ...EP 4 Clean off accumulated dirt from condensing coil with a stiff bristle brush STEP 5 Lift cardboard cover above fan at plastic plugs and carefully clean condenser coil and fan blades STEP 6 After br...

Page 19: ...expose the Condenser 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 fro...

Page 20: ...alternative Avoid cleaners containing quaternary salts as they can attack stainless steel causing pitting and rusting 4 WATER TREATMENT To reduce deposits soften the hard water when possible Installa...

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