True TCGR-50-CD User manual

TCGR
TRUE FOOD SERVICE EQUIPMENT, INC.
2001 East Terra Lane • O’Fallon, Missouri 63366-4434
(636)-240-2400 • FAX [phone] • INT'L FAX [phone] • (800)-325-6152
Parts Department (800)-424-TRUE • Parts Department FAX# [phone]
Web: www.truemfg.com
TABLE OF CONTENTS
TRUE
FOOD SERVICE EQUIPMENT, INC.
INSTALLATION MANUAL
INSTALLATION MANUAL
TCGR: CURVED GLASS DISPLAY CASES
CURVED GLASS DISPLAY CASES
REFRIGERATED BAKERY,
DRY BAKERY, DUAL ZONE
& COLD DELI
CONGRATULATIONS!
You have just purchased the finest commercial refrigerator
available. You can expect many years of trouble-free operation.
TCGR-77
TCGR-50-CD
TCGR-50
SAFETY INFORMATION
Safety Precautions 1
Proper Disposal, Connecting Electricity, & Adapter Plugs 2
INSTALLATION
Ownership, Uncrating, & How to Connect to Electricity 3
Wire Gauge Chart 4
Locating and Leveling 5
Installation of Castors 6
Sealing Cabinet to the Floor 6
SETUP
Standard Accessories 7
OPERATION
Startup 10
Mechanical Temperature Controls Sequence of Operation 11
MAINTENANCE, CARE, CLEANING
Cleaning Condenser Coil 15
Important Warranty Information 16
Stainless Steel Equipment Care and Cleaning 17
General Maintenance 18
WARRANTY
Warranty 19

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Loss or spoilage of products in your refrigerator/
freezer is not covered by warranty. In addition to
following recommended installation procedures
you must run the refrigerator/freezer 24 hours
prior to usage.
NOTICE TO CUSTOMER
WARNING: Use this appliance for its intended purpose as described in this Owner Manual.
How to Maintain Your True Refrigerator to Receive the Most Efficient and Successful Operation.
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.
TO LOCATE REFRIGERANT TYPE, SEE SERIAL LABEL INSIDE CABINET. This cabinet may contain fluorinated greenhouse
gas covered by the Kyoto Protocol (please refer to cabinet’s inner label for type and volume, GWP of 134a= 1,300. R404a= 3,800).
FOR HYDROCARBON REFRIGERATION ONLY (R-290) SEE BELOW:
• DANGER - Risk of fire or explosion. Flammable refrigerant used. Do not use mechanical devices to defrost refrigerator. Do not
puncture refrigerant tubing.
• DANGER - Risk of fire or explosion. Flammable refrigerant used. To be repaired only by trained service personnel. Do not puncture
refrigerant tubing.
• CAUTION - Risk of fire or explosion. Flammable refrigerant used. Consult repair manual/owner’s guide before attempting to service
this product. All safety precautions 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 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
SAFETY PRECAUTIONS
When using electrical appliances, basic safety precautions should be
followed, including the following:
• This refrigerator must be properly installed and located in
accordance with the Installation Instructions before it is used.
• Do not allow children to climb, stand or hang on the shelves
in the refrigerator. They could damage the refrigerator and
seriously injure themselves.
• Do not touch the cold surfaces in the freezer compartment
when hands are damp or wet. Skin may stick to these
extremely cold surfaces.
• Do not store or use gasoline or other flammable vapors and
liquids in the vicinity of this or any other appliance. Do not store
explosive substances such as aerosol cans with a flammable
propellant in this appliance.
• Keep fingers out of the “pinch point” areas; clearances between
the doors and between the doors and cabinet are necessarily
small; be careful closing doors when children are in the area.
• Unplug the refrigerator before cleaning and making repairs.
• Setting temperature controls to the 0 position does not
remove power to the light circuit, perimeter heaters, or
evaporator fans.
NOTE: We strongly recommend that any servicing be preformed
by a qualified technician.

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RISK OF CHILD
ENTRAPMENT
PROPER DISPOSAL OF THE REFRIGERATOR
Child entrapment and suffocation are not problems of the past.
Junked or abandoned refrigerators are still dangerous… even if they
will sit for “just a few days.” If you are getting rid of your old refrigera-
tor, please follow the instructions below to help prevent accidents.
BEFORE YOU THROW AWAY YOUR OLD
REFRIGERATOR OR FREEZER:
• Take off the doors.
• Leave the shelves in place so that children may not easily climb
inside.
APPLIANCE DISPOSAL
When recycling appliance please make sure that the refrigerants are
handled according to local and national codes, requirements and
regulations.
REFRIGERANT DISPOSAL
Your old refrigerator may have a cooling system that uses “Ozone
Depleting” chemicals. If you are throwing away your old refrigerator,
make sure the refrigerant is removed for proper disposal by a quali-
fied service technician. If you intentionally release any refrigerants you
can be subject to fines and imprisonment under provisions of the
environmental regulations.
USE OF EXTENSION CORDS
NEVER USE AN EXTENSION CORD! TRUE will not war-
ranty any refrigerator that has been connected to an extension cord.
REPLACEMENT PARTS
• Component parts shall be replaced with like components.
• Servicing shall be done by authorized service personnel, to
minimize the risk of possible ignition due to incorrect parts or
improper service.
• Lamps must be replaced by identical lamps only.
• If the supply cord is damaged, it must be replaced by a special
cord or assembly available from the manufacturer or its service
agent.
HOW TO CONNECT ELECTRICITY
FOR MODELS WITH OPTIONAL 12" (30.5 CM) CORD.
The power cord of this appliance is equipped with a grounding plug
which mates with a standard grounding wall outlet to minimize the
possibility of electric shock hazard from this appliance.
Have the circuit checked by a qualified electrician to make sure it is
properly grounded.
USE OF ADAPTER PLUGS
NEVER USE AN ADAPTER PLUG! Because of potential safety
hazards under certain conditions, we strongly recommend against the
use of an adapter plug.
The incoming power source to the cabinet including any adapters
used must have the adequate power available and must be properly
grounded. Only adapters listed with UL should be used.
WARNING!DANGER
NORTH AMERICA USE ONLY!
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
NEMA-5-15R
115/208-230/1
NEMA-14-20R
115/60/1
NEMA-5-20R
208-230/60/1
NEMA-6-15R

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OWNERSHIP
To ensure that your unit works properly from the first day, it must
be installed properly. We highly recommend a trained refrigeration
mechanic and electrician install your TRUE equipment. The cost of a
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.
TRUE is not responsible for damage incurred during shipment.
UNCRATING
TOOLS REQUIRED
• Tin Snips / Band Cutters
• Claw Hammer
• Hex Head Driver
• Adjustable Wrench
• 3/4" (19 mm) Open-End Wrench
• Phillips Screwdriver
• Level
The following procedure is recommended for uncrating the unit:
A. Cut metal retaining straps securing protective top skid. Remove
the outer packaging by pulling tri-wall nails from skid. Remove
(4) cardboard corner pads and dust cover.
B. Inspect for concealed damage. Again, immediately file a claim
with the freight carrier if there is damage.
C. Move your display case as close to the final location as possible
before removing the wooden skid.
NOTE: KEYS FOR COOLERS WITH DOOR LOCKS
ARE LOCATED IN WARRANTY PACKETS.
INSTALLATION
ELECTRIC INSTALLATION & SAFETY
INFORMATION
Hard wiring for a 30 amp circuit is required on specific Display Cases.'
Models standard with power cords: Do not, under any circumstances, cut
or remove the ground prong from the power cord. For personal safety, this
appliance must be properly grounded.
• If the supply cord is damaged, it must be replaced by a special
cord or assembly available from the manufacturer or its service
agent.
• Lamps must be replaced by identical lamps only.
• Appliance tested according to the climate classes 5 and 7
temperature and relative humidity.
ELECTRICAL INSTRUCTIONS
A. Before your new unit is connected to a power supply, check the
incoming voltage with a voltmeter. If anything less than 100% of
the rated voltage for operation is noted, correct immediately.
B. All units equipped with a service cord 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.
WARNING: Power supply cord ground should not be removed!
WARNING: Do not use electrical appliances inside the food stor-
age compartments of the appliances unless they are of the type
recommended by the manufacturer.
NOTE: To reference wiring diagram, remove front louvered grill,
wiring diagram is positioned on the inside cabinet wall.
CURVED GLASS DISPLAY CASES
Some cases are equipped with a service receptacle, found on the
upper right cabinet and backside. No electrical load greater than 4-5
amps should be connected to this receptacle. Maximum Amp load is
listed on the label next to the service receptacle.
FOR REFERENCE ONLY

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230 Volts Distance In Feet To Center of Load
Amps 20 30 40 50 60 70 80 90 100 120 140 160
5 14 14 14 14 14 14 14 14 14 14 14 14
6 14 14 14 14 14 14 14 14 14 14 14 12
7 14 14 14 14 14 14 14 14 14 14 12 12
8 14 14 14 14 14 14 14 14 14 12 12 12
9 14 14 14 14 14 14 14 14 12 12 12 10
10 14 14 14 14 14 14 14 12 12 12 10 10
12 14 14 14 14 14 14 12 12 12 10 10 10
14 14 14 14 14 14 12 12 12 10 10 10 8
16 14 14 14 14 12 12 12 10 10 10 8 8
18 14 14 14 12 12 12 10 10 10 8 8 8
20 14 14 14 12 10 10 10 10 10 8 8 8
25 14 14 12 12 10 10 10 10 8 8 6 6
30 14 12 12 10 10 10 8 8 8 6 6 6
35 14 12 10 10 10 8 8 8 8 6 6 5
40 14 12 10 10 8 8 8 6 6 6 5 5
50 12 10 10 8 6 6 6 6 6 5 4 4
60 12 10 8 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 80 90 100 120 140 160
2 14 14 14 14 14 14 14 14 14 14 14 14
3 14 14 14 14 14 14 14 14 14 14 14 12
4 14 14 14 14 14 14 14 14 14 12 12 12
5 14 14 14 14 14 14 14 12 12 12 10 10
6 14 14 14 14 14 14 12 12 12 10 10 10
7 14 14 14 14 14 12 12 12 10 10 10 8
8 14 14 14 14 12 12 12 10 10 10 8 8
9 14 14 14 12 12 12 10 10 10 8 8 8
10 14 14 14 12 12 10 10 10 10 8 8 8
12 14 14 12 12 10 10 10 8 8 8 8 6
14 14 14 12 10 10 10 8 8 8 6 6 6
16 14 12 12 10 10 8 8 8 8 6 6 6
18 14 12 10 10 8 8 8 8 8 8 8 5
20 14 12 10 10 8 8 8 6 6 6 5 5
25 12 10 10 8 8 6 6 6 6 5 4 4
30 12 10 8 8 6 6 6 6 5 4 4 3
35 10 10 8 6 6 6 5 5 4 4 3 2
40 10 8 8 6 6 5 5 4 4 3 2 2
45 10 8 6 6 6 5 4 4 3 3 2 1
50 10 8 6 6 5 4 4 3 3 2 1 1
WIRE GAUGE CHART

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LOCATING
A. Use a Phillips screw diver and remove four screws from the
L-bracket connected the unit to the wood skid (image 1).
Then use a 3/8" (9.5 mm) socket or wrench and remove the
L-bracket from the unit (image 2).
TO AVOID DAMAGE TO GLASS DO NOT LAY
CABINET ON ITS SIDE OR BACK WHEN REMOVING
SKID, INSTALLING LEG LEVELERS, CLEANING, ETC.
B. Lift up from the base and walk unit off the skid and set in final
location.
C. Unblock doors, free plastic wedges, blue foam and tape.
Remove fiberglass tape securing glass. Remove components:
(shelves, brackets, etc.) from inside cabinet.
D. Applicance tested according to the climate classes 5 and 7 for
temperature and relative humidity.
LEVELING
A. Set unit in its final location. Be sure there is adequate ventilation
in your room. Under extreme heat conditions, (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 unit is critical to operating success
(for non-mobile models). Effective condensate removal and
door operation will be effected by leveling.
WARNING: DISPLAY CASE MUST BE LEVELED
ACCURATELY TO ENSURE FRONT GLASS DOOR
SEALS PROPERLY.
C. The unit should be leveled front to back and side to side with
a level. Place the level in the interior floor of the unit and check
all four sides.
D. If the cabinet is not level adjust leg levelers by first relieving
weight to leveler and adjusting by either hand or wrench.
Repeat with all leg levelers until cabinet is level in all directions.
E. Ensure that the drain hose or hoses are positioned in the pan.
F. Models with power cord: Free plug and cord from inside the
lower rear of the cooler (do not plug in).
G. Models with power cord: The unit should be placed close
enough to the electrical supply so that extension cords are
never used.
WARNING: CABINET WARRANTIES ARE VOID IF OEM
POWER CORD IS TAMPERED WITH.TRUE WILL NOT
WARRANTY ANY UNITS THAT ARE CONNECTED TO
AN EXTENSION CORD.
RECOMMENDED OPERATION CONDITIONS (75˚F
DEGREES & 55% RELATIVE HUMIDITY)
WARNING: DRY BAKERY CASES REQUIRE HARD
WIRING UNLESS ORDERED WITH 12" (30.5 CM)
CORD OPTION. CABINET WARRANTIES ARE VOID
IF OEM POWER CORD IS TAMPERED WITH.TRUE
WILL NOT WARRANTY ANY UNITS THAT ARE
CONNECTED TO AN EXTENSION CORD.
Removing bracket from skid. Removing bracket from cabinet.
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INSTALLATION OF CASTORS
TOOLS REQUIRED:
• Castor wrench (if not included contact TRUE)
• Adjustable wrench
NOTE: CASTORS NOT AVAILABLE FOR HARD WIRED
MODELS.
WARNING: MAKE SURE UNIT IS EMPTY OF
ALL ITS CONTENTS (SHELVING, SHELVING
LIGHTING). MAKE SURE POWER SUPPLY HAS BEEN
DISCONNECTED.
A. Curved glass can be damaged if you lay unit on its back, side,
or front. Use a 6" x 6" (15.2 cm x 15.2 cm) block of wood or
equivalent. Slide the block under the cabinet frame rail. This will
support the unit while installing castors.
B. Leg levelers can be backed out by hand (Image 1).
C. Take two threaded castors and thread them into the existing
leg leveler holes. (Image 2). Shims can be used between castor
and cabinet frame rail for leveling (Image 3). Use the tool
provided to tighten the threaded castors (Image 4).
D. Repeat process for the other side of the cabinet.
WARNING: DISPLAY CASE MUST BE LEVELED
ACCURATELY TO ENSURE FRONT GLASS DOOR
SEALS PROPERLY.
E. The unit should be leveled front to back and side to side with
a level. Place the level in the interior floor of the unit and check
all four sides.
SEALING CABINET TO FLOOR
It may be necessary to seal the bakery case to the floor for local sani-
tary codes or if the customer so desires. TRUE recommends either
of the following methods.
A. Using a vinyl cove base trim as produced by Armstrong,
Johnson, or Kentile (available at floor covering suppliers) or
using mastics available at hardware stores.
B. When applying the cove base trim, thoroughly clean both the
cabinet and floor of dirt and grease. Apply a recommended
contact cement to the cove base trim. After cove base trim has
dried, fill in cracks and joints with a caulking material.
C. When applying a mastic, thoroughly clean both the cabinet
and floor of dirt and grease. Draw an outline of the cabinet on
the floor. Raise and block the front side of the cabinet. Apply
a bead of mastic to the floor 1/2" (1.3 cm) inside the outline
drawn. Lower the cabinet. Raise and block the rear side of the
cabinet. Apply the bead of mastic, lower the cabinet.
NOTE: Asphalt floors are very susceptible to chemical attack.
A layer of tape on the floor prior to applying the sealant will protect
the floor.
NSF APPROVED SEALANTS:
1. Minnesota Mining #ECU800 Caulk
2. Minnesota Mining #ECU2185 Caulk
3. Minnesota Mining #ECU1055 Bead
4. Minnesota Mining #ECU1202 Bead
5. Armstrong Cork - Rubber Caulk
6. Products Research Co. #5000 Rubber Caulk
7. G.E. Silicone Sealer
8. Dow Corning Silicone Sealer
Tighten castor in position with
castor wrench.
Use shims as necessary to level
cabinet.
43
Back out leg levelers by hand, or
with adjustable wrench.
Thread castors into existing leg
leveler holes.
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STANDARD ACCESSORIES
SHELF INSTALLATION (REFRIGERATED BAKERY &
DRY BAKERY):
A. Lift each door up and out of track (do not disconnect elastic
tubing). Stretch elastic surgical tubing and set doors on each
side of unit.
B. Locate brackets, lights, shelves, etc. from cabinet interior.
C. Locate shelf supports wrapped in micro foam and install teeth
end into stainless pilasters located on interior walls. Adjust to
desired height matching right and left pairs. (Images 1 & 2).
D. Locate three horizontal lights wrapped in micro foam and
install (light side down). Electrical cords should be on the right
to plug into side receptacles.
Hang end hooks of light assembly on two shelf supports (left
and right) slide assembly forward until it seats in front notch of
shelf support. (Image 3).
E. Install rear brackets by sliding end hooks over rear notch of
shelf support. (Image 4).
F. Locate shelves, install top shelf first. With the front lip (tray
stop) up and towards cabinet front, place on top of front light
assembly and snap shelf into (2) clips on top of rear bracket
(Image 5).
G. Plug top light assembly into top receptacle of cabinet interior
side wall (Image 5).
H. Repeat procedures for remaining two shelves
(Image 6).
I. Replace doors in track.
WARNING: SHELF MOUNTED LIGHTING REQUIRES
A CLOSED CIRCUIT.ALL PLUGS MUST BE
PLUGGED INTO SIDE WALL RECEPTACLES FOR
LIGHTS TO WORK. IF LESS THAN THREE SHELVES
ARE INSTALLED BE SURE ATTACHED CAPS ARE
PLUGGED INTO RECEPTACLE(S) (IMAGE 7).
Shelf plug.
Receptacle
cap.
7
Completed assembly. 6
Snap shelf into position.
5
Install rear brackets. 4
Hang end hooks of light assembly
on front notch of shelf supports.
3
Install shelf supports. teeth end into
stainless pilasters.
1
Adjust to desired height matching
right and left pairs.
2
SETUP

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SHELF INSTALLATION (COLD DELI):
A. Lift each door up and out of track (do not disconnect elastic
tubing). Stretch elastic surgical tubing and set doors on each
side of unit.
B. Locate brackets, lights, shelves, etc. from cabinet interior.
C. Locate shelf supports wrapped in micro foam and install teeth
end into stainless pilasters located on interior walls. Adjust to
desired height matching right and left pairs. (images 1 & 2).
D. Locate the stainless steel shelf and install with product stop
towards the front of the cabinet. Side flaps should overlap shelf
support. Be sure to fit shelf support tip into front slot of shelf
(images 2 & 3).
E. Plug light assembly into any receptacle of cabinet interior side
wall (image 4).
F. Replace doors in track.
NOTE: THREE LIGHTING RECEPTACLES ALLOW
FOR TWO ADDITIONAL, "OPTIONAL", LIGHTED
SHELVES.
WARNING: SHELF MOUNTED LIGHTING
REQUIRES A CLOSED CIRCUIT. ALL PLUGS MUST
BE PLUGGED INTO SIDE WALL RECEPTACLES FOR
LIGHTS TO WORK. IF LESS THAN THREE SHELVES
ARE INSTALLED BE SURE ATTACHED CAPS ARE
PLUGGED INTO RECEPTACLE(S) (IMAGE 4).
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3
4
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INSTALLATION OF OPTIONAL OVERLAY KIT FOR
TCGD,TCGDZ & TCGR BAKERY CASES
OVERLAY KIT COMPONENTS:
• 2 - Overlay Top End Pieces
• 2 - Bottom End Pieces: (1) one left side (1) one right side
• 1 - Overlay Front Piece
• Tape (812918)
TOOLS REQUIRED:
• Phillips Screwdriver
• Silicone Spray (may be optional)
NOTE: PLEASE USE CARE WHEN INSTALLING THE
OVERLAY.
NOTE: REFER TO FIGURE 1 FOR PLACEMENT OF
OVERLAY PANELS.
STEP 1 - Install the front overlay panel.
Installing front overlay piece. Make sure the bottom end pieces are off
in order to install the front overlay piece. Slide overlay into top and
bottom tracks on the front of the cabinet. Make sure overlay is even
on both left and right end of the cabinet. See Figures 1 & 2.
NOTE: The use of silicone spray may be used to assist with the
installation of the front panel.
STEP 2 - Install the upper end overlay panel one on each side (this
applies to both sides).
Install top end pieces. Make sure the bottom end pieces are off in
order to install the top side overlay piece. Both side overlay pieces
are the same size so they each can be used for left or right of the
cabinet. Slide overlay up into black plastic tracks on the top side
piece of each cabinet. See Figures 1, 2, & 3.
NOTE: After installing the bottom end pieces the top end overlay
will stay in place.
STEP 3 - Install bottom end pieces (overlay is pre-glued to black
plastic panel).
Line up the 4 keyhole slots in each bottom end piece to the 4 screws
on the side of the cabinet. Slip the four large keyholes from the bot-
tom end piece over the four screws. Then push down to fasten the
bottom end piece onto the cabinet. See Figures 1 & 3.
NOTE: The bottom left and right pieces are not the same. The
taller part of the bottom end piece goes to the rear of the cabinet.
As shown in Figure 3.
Figure 1
STEP 1
STEP 3
STEP 2
Side view of overlay sliding
into place for front piece
and top end piece.
Tracks to hold
overlay.
Overlay
Figure 2 (Step 1 & 2)
Overlay top end
piece will slide
up into plastic
tracks.
Overlay top end
piece will rest on
screw.
Overlay bottom
end piece will lock
into four screws through
keyholes on backside of
bottom end piece.
Figure 3