True TSCI Series User manual

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TSCI SERIES
INSTALLATION MANUAL
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......................................................3
Installation
Prior to Installation, Ownership.................................................................4
Uncrating............................................................................................................5
Cabinet Location, Leveling Legs & Castors............................................6
Leveling & Sealing...........................................................................................7
Electrical Installation & Safety ....................................................................8
Cabinet Setup
Standard Accessories.....................................................................................9
Optional Scientific Accessories ...............................................................10
Cabinet Operation
Startup, Temperature Control & Light Switch Location .................11
Sequence of Operation..............................................................................13
Electronic Temperature Control
.............................................................................................................................14
Maintenance, Care & Cleaning
Cleaning the Condenser Coil................................................................... 22
Stainless Steel Equipment Care & Cleaning .......................................24
Cabinet Adjustments, Servicing & Component Replacement
Slide Door Operation & Adjustment..................................................... 25
Warranty
USA & Canada Only .....................................................................................31
TRUE MANUFACTURING CO., INC.
TSCI-600R-G-PH~TSL01 RX1 WHT
North America – Canada
and Caribbean
Warranty Phone: [phone]
Warranty Fax: [phone]
Technical Phone: [phone]
Warranty Email:
[e-mail]
Technical Email:
[email protected]
7:00 – 7:00 CST Monday – Thursday.
7:00 – 6:00 Friday. 8:00 – 12:00 Saturday.
Mexico
Phone: [phone]
Toll Free in Mexico: 01 800 202 0687
service-me[email protected]
9:00 am – 5:30 pm M–F
Latin America
Phone: [phone]
[email protected]
9:00 am – 5:30 pm M–F
UK, Ireland, Middle East,
Africa and India
Phone: [phone]
service-[email protected]
8:30 am – 5:00 pm M–F
European Union and
Commonwealth of
Independent States
Phone: [phone]
service-[email protected]
8:00 am – 5:00 pm M–F
Australia
Phone: [phone]
[email protected]
8:30 am – 5:00 pm M–F
INSTALLATION MANUAL
TSCI SERIES
Original Instructions
TRUE MANUFACTURING CO., INC.
2001 East Terra Lane • O’Fallon, Missouri 63366-4434
(636)-240-2400 • FAX [phone] • International FAX [phone] • (800)-325-6152
Parts Department (800)-424- TRUE • Parts Department FAX# [phone]

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Notes

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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.
WARNING – Use this appliance for its intended purpose as described in this Installation Manual.
• Take care during operation, maintenance or repairs to avoid
cuts or pinching from any part/component of the cabinet.
• Units may pose a tipping hazard while uncrating, during
installation, or when moving the unit.
• Ensure the unit is properly installed and located in accordance
with the Installation Instructions before use.
• This appliance is not to be used, cleaned or maintained by
persons (including children) with reduced physical, sensory or
mental capabilities or lack of experience and knowledge, unless
they have been given supervision or instruction.
• DO NOT allow children to play with the appliance or climb,
stand, or hang on the unit's shelves to prevent damage to the
refrigerator and personal injury.
• DO NOT touch the cold surfaces in the freezer compartment
when hands are damp or wet. Skin may stick to these extremely
cold surfaces.
• Unplug the refrigerator before cleaning and making repairs.
• Setting temperature controls to the 0 position or powering
off an electronic control may not remove power from all
components (e.g., light circuits, perimeter heaters, and
evaporator fans).
• 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 cabinet are necessarily small; be careful closing
doors when children are in the area.
• DO NOT use electrical appliances inside the food storage
compartments of the units unless the appliances are of the
type recommended by the manufacturer.
NOTE: All servicing must be performed by a qualified
technician.
See the serial label inside the cabinet for the units refrigeration type. For Hydrocarbon Refrigeration (R290 only), see below:
DANGER – Risk of fire or explosion. Flammable refrigerant used. DO NOT use mechanical devices to defrost
refrigerator. DO NOT puncture refrigerant tubing; follow handling instructions carefully. To be repaired only by trained
service personnel.
DANGER – 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. Dispose of properly in accordance with
local and federal regulations. Follow all safety precautions.
CAUTION – Keep all ventilation openings clear of obstruction in the appliance enclosure or in the structure housing
the appliance.
DANGER!
RISK OF CHILD
ENTRAPMENT
Proper Disposal of the Cabinet
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
refrigerator, please follow the instructions below to help prevent
accidents.
Before throwing away your old refrigerator or freezer:
• Take off the doors.
• Leave the shelves in place so that children may not easily
climb inside.
DANGER – Risk of fire or explosion. Flammable
insulation and/or refrigerant used. Dispose of all
in accordance with local and federal regulations.
Follow all safety precautions.
Cabinet Disposal Warning
Refrigerant Safety & Warning Information
Basic Safety & Warning Precautions

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Installation
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.
Cabinet Specification
This appliance is rated for open food storage.
Cabinet Location
• Appliance is not suitable for outdoor use.
• Appliance is not suitable for an area where a pressure washer or
hose may be used.
• Ensure the location will provide adequate clearances and
sufficient airflow for the cabinet.
• Ensure the power supply for the cabinet matches the cabinet
specification sheet or cabinet data plate and is within the
rated voltage (+/-5%). Also, that the amp rating of the circuit is
correct and that it is properly grounded.
• The cabinet should always be plugged into its own individual
dedicated electrical circuit. The use of adapter plugs and
extension cords is prohibited.
Notice to Customer
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 for
24 hours prior to usage to verify its
proper operation.
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
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
Wire Gauge Chart
CLEARANCES
TOP SIDES BACK
TSCI Refrigerator 1" (25.4 mm) 0" (0 mm) 1" (25.4 mm)
TSCI Freezer 12" Open
(304.8 mm)
0" (0 mm) 3" (76.2 mm)
WARNING – Warranty is void if ventilation is insufficient.
Prior to Installation

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Installation (cont.)
Uncrating
Tools Required
• Adjustable wrench
• Phillips screwdriver
• Level
The following procedure is recommended for uncrating the unit:
1. Remove the outer packaging (cardboard and bubble or
Styrofoam corner and clear plastic). See fig. 1. Inspect for
concealed damage. Again, immediately file a claim with
the freight carrier if there is damage.
NOTE: DO NOT remove the shipping bracket (glass swing
doors; fig. 2) or the shipping blocks (glass slide doors; fig. 3)
until the unit is installed in its final location. Do not discard;
use the bracket/blocks when next moving the cabinet.
2. With an adjustable wrench, remove all shipping bolts securing
the wood skid to the bottom of the cabinet. See fig. 4.
NOTE: Move the unit as close as possible to the final location
before removing the wooden skid. Some models may require
removing the front and/or rear grill/cover to access the
shipping bolts.
3. If leveling legs or castors will not be used, remove the
cabinet from the wood skid and set the skid aside.
NOTE: DO NOT lift the cabinet by the countertops, doors,
drawers, or grills.
If leveling legs or castors will be used, rotate the cabinet on
the skid (see fig. 3) and see the installation instructions on
page 6.
NOTE: Remember to leave cabinet upright for 24 hours before
plugging into a power source. Keys for cabinet with door locks are
located in the warranty packet.
WARNING – Units may pose a tipping hazard
while uncrating, during installation, or when
moving the unit.
Fig. 1. Remove the exterior packaging.
Fig. 2. Remove the glass swing door shipping bracket, if so equipped. Do not
discard.
Fig. 3. Glass slide door shipping block locations. Remove if so equipped and do not
discard.
Fig. 4. Shipping bolt locations.

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Installation (cont.)
Installing 6" Leveling Legs or Castors
Adjustable legs will provide 6" (152 mm) of clearance under the
cabinet. Castors provide cabinet mobility.
NOTE: If the cabinet has a center leveling screw, castor, or leg,
make sure it is adjusted properly so it makes full contact with
the floor after the cabinet has been leveled.
Required Tools
Adjustable Wrench
6" Leveling Legs
1. Access the bottom of the cabinet and thread the leveling legs
into the rail. See figs. 3 and 4.
2. Verify that the cabinet is level.
3. If the cabinet is not level, gently lift and support the low end
of the cabinet. With an adjustable wrench, screw the bottom
stem of the leveling leg in or out to level and support the
cabinet. See fig. 5.
Castors
1. Loosen the castor bolt enough to slide the provided castor
shims between the castor bearing and the bottom rail of
the cabinet. See fig. 6.
2. Install the desired number of shims. If more than one shim is
used, turn the slots at a 90˚ angle to each other, so the slots do
not align. See figs. 7 and 8.
3. Tighten and secure the shims and castors with the optional
castor wrench. Lower the cabinet and verify that it is level. If
the cabinet is not level, repeat the process until the cabinet is
level and supported.
Fig. 1. Turn the leveling legs clockwise to lower the unit.
Cabinet Location
1. Ensure that the drain hose or hoses are positioned in the pan.
2. Free the plug and cord from inside the lower rear of the cooler
(DO NOT plug in).
3. Place the unit close enough to the electrical supply so that the
extension cords are never used.
Installing Leveling Legs
Leveling legs are provided to assist with leveling the cabinet.
With access to the bottom of the cabinet, thread the leveling legs
into the holes used to secure the cabinet to the skid. See figs. 1
and 2.
Fig. 2. Turn the leveling legs counterclockwise to raise the unit.
Rail End
Snug Fit
Here
Leg
Lower Rail
Assembly
Bo
ttom Stem
Fig. 5. Turn the bottom stem to level the
cabinet.
Fig. 3. Locate the threaded hole in the
rail.
Fig.4. Screw in the leveling legs. Fig. 6. Loosen castor bolt.
Fig. 8. Position multiple shims at
90˚ angles.
Fig. 7. Install shim(s).
Leveling Shim
Lower Rail Assembly
Bearing Race
Snug Fit Here
Rail End
Castor
Castor Stem

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Installation (cont.)
Leveling
Proper leveling of your TRUE cooler is critical to operating success
(for non-mobile models). Leveling impacts effective condensate
removal and door operation.
Level the unit front-to-back and side-to-side.
1. Position the level on the inside floor of the unit near the doors
(the level should be parallel to cabinet front). Level the cabinet.
2. Position the level at the inside rear of cabinet (again, the level
should be placed parallel to cabinet back). Level the cabinet.
3. Perform procedures similar to steps 1 and 2 by placing the
level on inside floor (left and right side, parallel to the depth of
the cooler). Level the cabinet.
NOTE: If the cabinet has a center leveling screw, castor, or leg,
make sure it is adjusted properly so it makes full contact with
the floor after the cabinet has been leveled.
Sealing the Cabinet to the Floor
Asphalt floors are susceptible to chemical attack. A layer of tape
may be placed on the floor prior to applying the sealant to protect
the floor.
1. Position the cabinet, allowing 3" (73 mm) between the wall
and the rear of the cabinet to ensure proper ventilation.
2. Level the cabinet. The cabinet should be level side-to-side
and front-to-back. To check that the cabinet is level, place a
carpenter's level on the interior cabinet floor in four places:
a. Position the level on the inside floor of the cabinet, near
the doors (the level should be placed parallel to the cabinet
front). Level the cabinet.
b. Position the level at the inside rear of the cabinet (the level
should be placed parallel to the cabinet back). Level the
cabinet.
c. Perform procedures similar to a. and b. by placing the level
on the left and right inside floor (level should be parallel to
the cabinet sides). Level the cabinet.
3. Draw an outline of the cooler base on the floor.
4. Raise and block the front side of the cabinet.
5. Apply a bead of NSF-approved sealant (see list below) to the
floor, 1/2" (13 mm) inside the front part of the outline drawn in
step 4. The bead of sealant must be heavy enough to seal the
entire cabinet surface when the cabinet is lowered on top of
the sealant.
6. Raise and block the rear of the cabinet.
7. Apply sealant to the floor on the other three sides, as outlined
in step 5.
8. Examine the the cabinet to ensure that it is sealed to the floor
around the entire perimeter.
NSF-Approved Sealants
• 3M #ECU800 Caulk
• 3M #ECU2185 Caulk
• 3M #ECU1055 Bead
• 3M #ECU1202 Bead
• Armstrong Cork – Rubber Caulk
• Products Research Co. #5000 Rubber Caulk
• G.E. Silicone Sealer
• Dow Corning Silicone Sealer
P
NEPCO/CENTRALAB
1227-5
REMOVECOVERMAKEPOWERCONNECTION

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Installation (cont.)
Cabinet Wiring Diagram
The cabinet's wiring diagram is in the exterior servicing
compartment space of the cabinet.
A copy of the wiring diagram may also be obtained at
www. TRUEmfg.com/support/serial-number-lookup
How to Connect Electricity
• The power cord from this appliance is equipped with a
grounding plug which minimizes the possibility of electric
shock hazard.
• The wall outlet and circuit should be checked by a licensed
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.
• DO NOT, under any circumstances, cut or remove the ground
prong from the power cord. For personal safety, this appliance
must be properly grounded.
• Before your new unit is connected to a power supply, check
the incoming voltage with a voltmeter. If the recorded voltage
is less than the rated voltage for operation (+/-5%) and amp
rating, correct immediately. Refer to cabinet data plate for this
voltage requirement.
• The refrigerator/freezer should always be plugged into a
dedicated electrical circuit. This provides the best performance
and prevents building wiring circuits from being overloaded,
which could cause a fire hazard from overheated wires.
• Never unplug your refrigerator/freezer by pulling on the power
cord. Always grip plug firmly and pull straight out from the
outlet.
• When moving the refrigerator/freezer, for any reason, be careful
not to roll over or damage the power cord.
• Repair or replace immediately all power cords that have
become frayed or otherwise damaged. DO NOT use a power
cord that shows cracks or abrasion damage along its length or
at either end.
• If the supply power cord is damaged, it should be replaced with
original equipment manufacturer (OEM) components. To avoid
hazard this should be done by a licensed service provider.
NEMA Plug Configurations
60 HZ USE ONLY!
TRUE uses these types of NEMA plugs shown. If you DO NOT have
the proper outlet, have a licensed electrician verify and install the
correct power source.
International (IEC) Plugs Only
International cabinets may be supplied with a power cord that will
require installation. Install this cord before connecting the unit to a
power source.
NOTE: International plug configurations will vary by country
and voltage
Installation
Fully seat the power cord into the cabinet receptacle until it locks
in position. See fig. 1.
Removal
Depress the red button. See fig. 2.
Fig. 1. Fully insert the power cord into
the receptacle.
Fig. 2. Push the red button to remove
the plug.
Use of Adapter Plugs
NEVER USE AN ADAPTER PLUG! An adapter plug alters the
original OEM plug configuration when connecting it to a power
source.
TRUE will not warranty any refrigerator/freezer that has been
connected to an adapter plug.
Use of Extension Cords
NEVER USE AN EXTENSION CORD! An extension cord is
determined to be any component that adds length to the original
OEM power cord when connecting it to a power source.
TRUE will not warranty any refrigerator/freezer that has been
connected to an extension cord.
Electrical Installation & Safety

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Cabinet Setup
Shelf
Clip
Shelf
Shelf
Pillaster
(I-beam)
Shelf
Standards
WARNING – DO NOT use pliers or
any crimping tools when installing
shelf clips. Altering shelf clips in any
way can lead to shelving instability.
Standard Accessories
Shelf Installation
1. Hook the shelf clips into the shelf standards. See fig. 1.
2. Push up on the bottom of the clip. See fig. 2.
NOTE: You may need to squeeze or twist the bottom of the
shelf clip for proper installation. Position all four shelf clips
equal in distance from the floor for flat shelves.
3. Ensure the shelf clip is not loose or able to wiggle out of the
shelf standard. See figs. 3 and 4.
4. Place the shelves on the shelf clips with the cross support bars
facing down.
NOTE: Be sure all shelf corners are properly seated.
Installation Tips
• Install all the shelf clips before installing any shelves.
• Start at the bottom shelf and work your way up.
• Always lay the back of each shelf down on the rear clips before
the front.
Fig. 1. Installing top tab of shelf clip. Fig. 2. The bottom tab of the shelf clip
will fit tightly
Fig. 3. You may need to squeeze or twist
the bottom of the shelf clip to install.
Fig. 4. Installed shelf clip..

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Optional Scientific Accessories
Access Port (factory install only)
Access hole in cooler with cover to run lines, cords or move
beakers, etc. May be placed anywhere at customers’ discretion;
except in middle of back wall. If no preference, standard is to place
29” from interior floor in middle of side wall. See fig. 1.
Chromatography Mast (factory or field install)
300 series stainless steel pole runs vertical inside cooler to clamp
beakers or other equipment to: See fig. 2.
• One-Door: In center of cooler (requires half shelves).
• Two and Three-Door: In between shelves/sections.
Half Shelves (one-door models only) (field install only)
Adjustable, heavy duty, PVC coated wire shelves. Includes shelf
clips. See fig. 3.
Fig. 1. Access Port. Fig. 2. Chromatography Mast &
bracket.
Fig. 3. Half Shelf
Cabinet Setup

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Cabinet Operation
Startup
• The compressor is ready to operate when the unit is purchased.
All you need to do is plug in the cooler.
• Excessive tampering with the control could lead to service
difficulties. If replacing the temperature control is ever needed,
be sure to order the replacement from your TRUE dealer or
recommended service agent.
• Good air flow inside your TRUE unit is critical. Take care to
prevent product from pressing against the sides or back
wall and coming within 4" (101.6 mm) of the evaporator
housing. Refrigerated air off the evaporator coil must circulate
throughout the cabinet for even product temperatures.
NOTE: If the unit is disconnected or shut off, wait 5 minutes
before restarting.
RECOMMENDATION – Before loading product, run your TRUE
unit empty for 24 hours to verify proper operation. Remember,
our factory warranty DOES NOT cover product loss!
Electronic
Temperature
Control
On the front of the
rain shield.
Light Switch on Glass Door Models
Inside the front ceiling.
Temperature Control & Light Switch Location
The light symbol shows the approximate location of the light
switch.
The electronic temperature control can can act as a light switch.
To control the light, press the up arrow .
FOR MORE INFORMATION
For more information regarding a cabinets general sequence of operation, including
basic temperature control adjustments, please visit our website:
www.truemfg.com/support/resource-library

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Cabinet Operation (cont.)
Sequence of Operation
When the cabinet is plugged in…
1. The lights turn on.
a. The display illuminates.
b. The interior light will illuminate on Glass Door Models only. Solid Door cabinet lights are controlled by the door switch.
2. The evaporator fan starts.
3. After the pre-programmed temperature control 3 min delay, the compressor will start if the control calls for cooling.
a. The control or condenser fans are pre-programmed from the factory so at the start of every compressor cycle, the condenser
fan(s) will reverse for 30 sec to blow dirt off the condensing coil.
4. The temperature control cycles the compressor on and off as determined by the set-point and differential temperatures.
a. The temperature control is designed to read and display a cabinet temperature. The most accurate temperature on a cabinets
operation is to verify the product temperature.
b. The set-point is the adjustable pre-programmed temperature designed to match the average cabinet temperature.
c. The differential temperatures are the non-adjustable pre-programmed temperatures used to determine when the
compressor shuts off and turns on.
i. The high differential is added to the set-point and determines when the compressor turns on (cut-in temperature).
ii. The low differential is subtracted from the set-point and determines when the compressor turns off (cut-out temperature).
Set Point (SP) = 39°F (4°C)
High Differential (hY0) = 2°F (1°C) SP + hY0 = Cut-In 39°F (4°C) + 2°F (1°C) = 41°F (5°C)
Low Differential (hY1) = 2°F (1°C) SP - hY1 = Cut-out 39°F (4°C) - 2°F (1°C) = 37°F (3°C)
5. The temperature control may be pre-programmed to initiate defrost by interval or evaporator temperature.
a. The compressor will turn off until a pre-programmed temperature or duration is reached.
6. This control is pre-programmed where an audible alarm will activate when the cabinet temperature is above 46°F (8°C) for 5
consecutive minutes. hi will appear on the display, indicating a high temperature alarm is active.
NOTE: These values may vary by model. See “Adjust Temperature Alarm Ranges” to adjust the temperature alarms for your
application.
a. To silence the audible alarm, press any button on the display.
b. The display will continue to show hi until the cabinet temperature drops below 46°F. This alarm will likely activate during
an initial pulldown (plug-in).

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Electronic Temperature Control
LAE CONTROL LEGEND
Info/Set Point Manual Activation/
Up Arrow
Manual Defrost/
Down Arrow
Stand-By/
Cancel
Compressor Running
Activation of 2nd Parameter Set
Alarm
Cabinet in Defrost
Evaporator Fan Running
DISPLAY CODES
Display Definition Display Definition
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 failure
Instant Probe 2 temperature Probe T3 failure
Instant Probe 3 temperature Maximum probe 1 temperature recorded
Minutes of the Real Time Clock Minimum probe 1 temperature recorded
Hours of the Real Time Clock Keypad state lock

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Electronic Temperature Control (cont.)
LAE CONTROL LEGEND
Info/Set Point Manual Activation/
Up Arrow
Manual Defrost/
Down Arrow
Stand-By/
Cancel
Compressor Running
Activation of 2nd Parameter Set
Alarm
Cabinet in Defrost
Evaporator Fan Running
Lock/Unlock the Control
1. Press info to show t1.
2. Press the down arrow to show Loc.
3. Press and hold info to show the current lock status.
DO NOT RELEASE THE BUTTON!
4. Press the arrows to change the lock setting.
5. Release all buttons and wait for the control to display the
cabinet temperature.
no = UnlockedYES = Locked
Turn Off/On the Control
Turning off the control will deactivate all electronic
components connected to the control. The lights will remain
powered.
CAUTION – Turning off the control will not shut off power to
the cabinet. Be sure to remove power to the cabinet prior to
servicing.
Turn Off
Press and hold cancel until the display shows oFF.
Turn On
Press and hold cancel until the display shows on.

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Electronic Temperature Control (cont.)
LAE CONTROL LEGEND
Info/Set Point Manual Activation/
Up Arrow
Manual Defrost/
Down Arrow
Stand-By/
Cancel
Compressor Running
Activation of 2nd Parameter Set
Alarm
Cabinet in Defrost
Evaporator Fan Running
Change the Set Point
Changing the set point adjusts the cabinet temperature to
keep optimal product temperature.
1. Press and hold info until the display shows the current
set point. DO NOT RELEASE THE BUTTON!
2. While holding info, press the up or down arrows
to adjust the setting.
3. Release all buttons and wait for the control to display the
current cabinet temperature.
Initiate Manual Defrost
A manual defrost clears accumulated frost and ice from the
evaporator coil. The defrost will only terminate when a specific
preset temperature or duration has been met.
Press Manual Defrost until the display shows deF.

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SCIENTIFIC SERIES
Electronic Temperature Control (cont.)
LAE CONTROL LEGEND
Info/Set Point Manual Activation/
Up Arrow
Manual Defrost/
Down Arrow
Stand-By/
Cancel
Compressor Running
Activation of 2nd Parameter Set
Alarm
Cabinet in Defrost
Evaporator Fan Running
Change Defrost Intervals
The defrost interval is the duration between defrost cycles,
NOTE: The defrost interval can only be changed if the
defrost mode parameter dFm is set for tim or Fro.
1. Press and hold both info and cancel until the
display shows MdL.
2. Press the up arrow until the display shows dFt.
3. Press and hold info until the display shows the current
defrost interval time. DO NOT RELEASE THE BUTTON!
4. While holding info, the up or down arrows to adjust
the setting.
5. Release all buttons and wait for the control to display the
current cabinet temperature.
Change Display Readout
The display can show the temperature in either Fahrenheit or
Celsius.
1. Press and hold both info and cancel until the
display shows MdL.
2. Press the down arrow until the display shows ScL.
3. Press and hold info until the display shows the current
system of measure. DO NOT RELEASE THE BUTTON!
• °F: Fahrenheit (no decimal) • 1°c: Celsius (0.1 precision)
• 2°c: Celsius (no decimal)
4. While holding info, press the up or down arrow to
change the system of measure.
5. Release all buttons and wait for the control to display the
current cabinet temperature.
CelsiusFahrenheit

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Electronic Temperature Control (cont.)
LAE CONTROL LEGEND
Info/Set Point Manual Activation/
Up Arrow
Manual Defrost/
Down Arrow
Stand-By/
Cancel
Compressor Running
Activation of 2nd Parameter Set
Alarm
Cabinet in Defrost
Evaporator Fan Running
Display Probe Temperatures
The display shows the temperature probe readings in different
locations of the cabinet.
1. Press info to show t1.
2. Press and hold info to show the current t1 probe
temperature.
3. Release info to show t2.
4. Press and hold info to show the current t2 probe
temperature.
5. Release info to show t3.
6. Press and hold info to show the current t3 probe
temperature.
NOTE: If the T3 probe is not activated, t3 will not appear.
7. Release all buttons and wait for the control to display the
current cabinet temperature.

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SCIENTIFIC SERIES
Electronic Temperature Control (cont.)
Alarms
Please note the alarm values shown may vary by model. Please see “Adjust Temperature Alarm Ranges” to adjust the temperature
alarms for your application.
Temperature Alarms
Please Be Advised
• The high temperature alarm typically triggers during the
unit’s initial startup. Silence the alarm as described below; the
display will continue flashing hi until the alarm condition has
been resolved as described below.
• If an alarm has been silenced but the reason for the alarm
persists, the control will sound a 20 sec alert every 60 min
until the alarm condition has been resolved as described below.
Door Open Alarm
Low Temperature Alarm
An audio/visual alarm that warns when the door remains open
longer than accepted parameters.
Why It Occurs
If the door remains open for ≥ 60 sec, the control emits a series
of beeps and the display flashes do.
Silencing the Alarm
Shut the door to stop the alarm. Alternately, press ANY button
to silence the alarm; the display will continue to flash do until
the door closes.
An audio/visual alarm that warns when the internal cabinet
temperature rises above accepted parameters.
Why It Occurs
If the internal cabinet temperature reads ≥ 46°F (8°C) for
≥ 5 min, the control emits a series of beeps and the display
flashes hi.
Silencing the Alarm
Press ANY button to silence the alarm. The display will continue
to flash hi until the internal cabinet temperature reads < 46°F
(8°C).
An audio/visual alarm that warns when the internal cabinet
temperature drops below accepted parameters.
Why It Occurs
If the internal cabinet temperature reads ≤ 36°F (2°C) for
≥ 5 min, the control emits a series of beeps and the display
flashes Lo.
Silencing the Alarm
Press ANY button to silence the alarm. The display will continue
to flash Lo until the internal cabinet temperature reads > 36°F
(2°C).
High Temperature Alarm

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Adjust Temperature Alarm Ranges
The temperature alarm ranges are adjustable for different customer applications. Please note the values shown are Fahrenheit.
NOTE: The control will lock after a short period of inactivity. Unlock the display and press the up arrow to scroll to the required
parameter. If the control skips past the necessary parameter, press the down arrow to scroll back.
Electronic Temperature Control (cont.)
Step 1: Change Alarm Mode (AtM)
1. Press and hold both info and cancel until the
display shows MdL.
2. While the display shows MdL, press info until the display
shows AtM.
3. While the display shows AtM press and hold info to show
the current setting. DO NOT RELEASE THE BUTTON!
4. While holding info , press the down arrow until the
display shows AbS (alarm is an absolute number).
5. Release all buttons to show ALA. Proceed to step 2.
Step 2: Change Low Alarm Setting (ALA)
1. While the display shows ALA, press and hold info to
show the current setting.
DO NOT RELEASE THE BUTTON!
2. While holding info, press the up or down arrows
to change the current setting.
RECOMMENDED: Be sure the low alarm setting is at least
1° colder than the Cut-Out temperature to prevent a false
alarm.
3. Release all buttons to show AhA. Proceed to step 3.
LAE CONTROL LEGEND
Info/Set Point Manual Activation/
Up Arrow
Manual Defrost/
Down Arrow
Stand-By/
Cancel
Compressor Running
Activation of 2nd Parameter Set
Alarm
Cabinet in Defrost
Evaporator Fan Running

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SCIENTIFIC SERIES
Electronic Temperature Control (cont.)
LAE CONTROL LEGEND
Info/Set Point Manual Activation/
Up Arrow
Manual Defrost/
Down Arrow
Stand-By/
Cancel
Compressor Running
Activation of 2nd Parameter Set
Alarm
Cabinet in Defrost
Evaporator Fan Running
Step 3: Change High Alarm Setting (AhA)
1. While the display shows AhA, press and hold info to
show the current setting.
DO NOT RELEASE THE BUTTON!.
2. While holding info, press the up or down arrows
to change the current setting.
RECOMMENDED: Be sure the high alarm setting is at
least 1° warmer than the Cut-In temperature to prevent a
false alarm.
3. Release all buttons. Proceed to step 4.
Step 4: Change Alarm Delay (Atd)
1. Press info until the display shows Atd.
2. While the display shows Atd, press and hold info to show
the current setting. DO NOT RELEASE THE BUTTON!
3. While holding info, press the up or down arrows
to change the current setting.
NOTE: Alarm delay is measured in minutes.
RECOMMENDED: Be sure the time delay is at least 5 min
to prevent a false alarm.
4. Release all buttons and wait for the control to display the
current cabinet temperature.